4910 lines
136 KiB
C
4910 lines
136 KiB
C
/*
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* Copyright © 2012 Intel Corporation
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* Copyright © 2015,2019,2021 Collabora, Ltd.
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* Copyright © 2016 NVIDIA Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include <GLES3/gl3.h>
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#include <fcntl.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#include <float.h>
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#include <assert.h>
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#include <linux/input.h>
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#include <unistd.h>
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#include <gbm.h>
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#include "linux-sync-file.h"
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#include "timeline.h"
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#include "color.h"
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#include "gl-renderer.h"
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#include "gl-renderer-internal.h"
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#include "vertex-clipping.h"
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#include "linux-dmabuf.h"
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#include "linux-dmabuf-unstable-v1-server-protocol.h"
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#include "linux-explicit-synchronization.h"
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#include "output-capture.h"
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#include "pixel-formats.h"
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#include "shared/fd-util.h"
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#include "shared/helpers.h"
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#include "shared/platform.h"
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#include "shared/string-helpers.h"
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#include "shared/timespec-util.h"
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#include "shared/weston-drm-fourcc.h"
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#include "shared/weston-egl-ext.h"
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#include "shared/xalloc.h"
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#define BUFFER_DAMAGE_COUNT 2
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enum gl_debug_mode {
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DEBUG_MODE_NONE = 0,
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DEBUG_MODE_WIREFRAME,
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DEBUG_MODE_BATCHES,
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DEBUG_MODE_DAMAGE,
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DEBUG_MODE_OPAQUE,
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DEBUG_MODE_LAST,
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};
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enum gl_border_status {
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BORDER_STATUS_CLEAN = 0,
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BORDER_TOP_DIRTY = 1 << GL_RENDERER_BORDER_TOP,
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BORDER_LEFT_DIRTY = 1 << GL_RENDERER_BORDER_LEFT,
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BORDER_RIGHT_DIRTY = 1 << GL_RENDERER_BORDER_RIGHT,
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BORDER_BOTTOM_DIRTY = 1 << GL_RENDERER_BORDER_BOTTOM,
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BORDER_ALL_DIRTY = 0xf,
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BORDER_SIZE_CHANGED = 0x10
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};
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struct gl_border_image {
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GLuint tex;
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int32_t width, height;
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int32_t tex_width;
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void *data;
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};
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struct gl_fbo_texture {
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GLuint fbo;
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GLuint tex;
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};
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struct gl_renderbuffer {
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struct weston_renderbuffer base;
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enum gl_border_status border_damage;
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/* The fbo value zero represents the default surface framebuffer. */
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GLuint fbo;
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GLuint rb;
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uint32_t *pixels;
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struct wl_list link;
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int age;
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};
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struct gl_output_state {
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struct weston_size fb_size; /**< in pixels, including borders */
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struct weston_geometry area; /**< composited area in pixels inside fb */
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float y_flip;
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EGLSurface egl_surface;
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struct gl_border_image borders[4];
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enum gl_border_status border_status;
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struct weston_matrix output_matrix;
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EGLSyncKHR render_sync;
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GLuint render_query;
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/* struct timeline_render_point::link */
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struct wl_list timeline_render_point_list;
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const struct pixel_format_info *shadow_format;
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struct gl_fbo_texture shadow;
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/* struct gl_renderbuffer::link */
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struct wl_list renderbuffer_list;
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};
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struct gl_renderer;
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struct gl_capture_task {
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struct weston_capture_task *task;
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struct wl_event_source *source;
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struct gl_renderer *gr;
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struct wl_list link;
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GLuint pbo;
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int stride;
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int height;
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bool reverse;
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EGLSyncKHR sync;
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int fd;
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};
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struct dmabuf_allocator {
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struct gbm_device *gbm_device;
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bool has_own_device;
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};
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struct gl_renderer_dmabuf_memory {
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struct linux_dmabuf_memory base;
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struct dmabuf_allocator *allocator;
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struct gbm_bo *bo;
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};
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struct dmabuf_renderbuffer {
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struct gl_renderbuffer base;
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struct gl_renderer *gr;
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/* The wrapped dmabuf memory */
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struct linux_dmabuf_memory *dmabuf;
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EGLImageKHR image;
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};
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struct dmabuf_format {
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uint32_t format;
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struct wl_list link;
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uint64_t *modifiers;
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unsigned *external_only;
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int num_modifiers;
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};
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/*
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* yuv_format_descriptor and yuv_plane_descriptor describe the translation
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* between YUV and RGB formats. When native YUV sampling is not available, we
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* bind each YUV plane as one or more RGB plane and convert in the shader.
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* This structure describes the mapping: output_planes is the number of
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* RGB images we need to bind, each of which has a yuv_plane_descriptor
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* describing the GL format and the input (YUV) plane index to bind.
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*
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* The specified shader_variant is then used to sample.
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*/
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struct yuv_plane_descriptor {
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uint32_t format;
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int plane_index;
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};
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struct yuv_format_descriptor {
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uint32_t format;
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int output_planes;
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enum gl_shader_texture_variant shader_variant;
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struct yuv_plane_descriptor plane[3];
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};
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struct gl_buffer_state {
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struct gl_renderer *gr;
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GLfloat color[4];
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bool needs_full_upload;
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pixman_region32_t texture_damage;
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/* Only needed between attach() and flush_damage() */
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int pitch; /* plane 0 pitch in pixels */
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GLenum gl_pixel_type;
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GLenum gl_format[3];
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enum gl_channel_order gl_channel_order;
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int offset[3]; /* per-plane pitch in bytes */
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EGLImageKHR images[3];
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int num_images;
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enum gl_shader_texture_variant shader_variant;
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GLuint textures[3];
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int num_textures;
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struct wl_listener destroy_listener;
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};
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struct gl_surface_state {
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struct weston_surface *surface;
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struct gl_buffer_state *buffer;
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/* These buffer references should really be attached to paint nodes
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* rather than either buffer or surface state */
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struct weston_buffer_reference buffer_ref;
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struct weston_buffer_release_reference buffer_release_ref;
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/* Whether this surface was used in the current output repaint.
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Used only in the context of a gl_renderer_repaint_output call. */
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bool used_in_output_repaint;
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struct wl_listener surface_destroy_listener;
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struct wl_listener renderer_destroy_listener;
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};
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struct timeline_render_point {
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struct wl_list link; /* gl_output_state::timeline_render_point_list */
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int fd;
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GLuint query;
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struct weston_output *output;
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struct wl_event_source *event_source;
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};
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static uint32_t
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gr_gl_version(uint16_t major, uint16_t minor)
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{
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return ((uint32_t)major << 16) | minor;
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}
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static int
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gr_gl_version_major(uint32_t ver)
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{
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return ver >> 16;
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}
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static int
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gr_gl_version_minor(uint32_t ver)
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{
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return ver & 0xffff;
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}
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static inline const char *
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dump_format(uint32_t format, char out[4])
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{
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#if BYTE_ORDER == BIG_ENDIAN
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format = bswap32(format);
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#endif
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memcpy(out, &format, 4);
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return out;
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}
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static inline void
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copy_uniform4f(float dst[4], const float src[4])
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{
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memcpy(dst, src, 4 * sizeof(float));
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}
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static inline struct gl_output_state *
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get_output_state(struct weston_output *output)
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{
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return (struct gl_output_state *)output->renderer_state;
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}
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static int
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gl_renderer_create_surface(struct weston_surface *surface);
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static inline struct gl_surface_state *
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get_surface_state(struct weston_surface *surface)
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{
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if (!surface->renderer_state)
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gl_renderer_create_surface(surface);
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return (struct gl_surface_state *)surface->renderer_state;
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}
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static bool
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shadow_exists(const struct gl_output_state *go)
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{
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return go->shadow.fbo != 0;
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}
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static bool
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is_y_flipped(const struct gl_output_state *go)
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{
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return go->y_flip < 0.0f;
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}
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struct yuv_format_descriptor yuv_formats[] = {
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{
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.format = DRM_FORMAT_YUYV,
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.output_planes = 2,
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.shader_variant = SHADER_VARIANT_Y_XUXV,
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{{
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.format = DRM_FORMAT_GR88,
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.plane_index = 0
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}, {
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.format = DRM_FORMAT_ARGB8888,
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.plane_index = 0
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}}
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}, {
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.format = DRM_FORMAT_NV12,
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.output_planes = 2,
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.shader_variant = SHADER_VARIANT_Y_UV,
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{{
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.format = DRM_FORMAT_R8,
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.plane_index = 0
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}, {
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.format = DRM_FORMAT_GR88,
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.plane_index = 1
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}}
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}, {
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.format = DRM_FORMAT_NV16,
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.output_planes = 2,
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.shader_variant = SHADER_VARIANT_Y_UV,
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{{
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.format = DRM_FORMAT_R8,
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.plane_index = 0
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}, {
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.format = DRM_FORMAT_GR88,
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.plane_index = 1
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}}
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}, {
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.format = DRM_FORMAT_NV24,
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.output_planes = 2,
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.shader_variant = SHADER_VARIANT_Y_UV,
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{{
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.format = DRM_FORMAT_R8,
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.plane_index = 0
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}, {
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.format = DRM_FORMAT_GR88,
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.plane_index = 1
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}}
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}, {
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.format = DRM_FORMAT_P010,
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.output_planes = 2,
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.shader_variant = SHADER_VARIANT_Y_UV,
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{{
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.format = DRM_FORMAT_R16,
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.plane_index = 0
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}, {
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.format = DRM_FORMAT_GR1616,
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.plane_index = 1
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}}
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}, {
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.format = DRM_FORMAT_P012,
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.output_planes = 2,
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.shader_variant = SHADER_VARIANT_Y_UV,
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{{
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.format = DRM_FORMAT_R16,
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.plane_index = 0
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}, {
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.format = DRM_FORMAT_GR1616,
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.plane_index = 1
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}}
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}, {
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.format = DRM_FORMAT_P016,
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.output_planes = 2,
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.shader_variant = SHADER_VARIANT_Y_UV,
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{{
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.format = DRM_FORMAT_R16,
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.plane_index = 0
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}, {
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.format = DRM_FORMAT_GR1616,
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.plane_index = 1
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}}
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}, {
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.format = DRM_FORMAT_YUV420,
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.output_planes = 3,
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.shader_variant = SHADER_VARIANT_Y_U_V,
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{{
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.format = DRM_FORMAT_R8,
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.plane_index = 0
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}, {
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.format = DRM_FORMAT_R8,
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.plane_index = 1
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}, {
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.format = DRM_FORMAT_R8,
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.plane_index = 2
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}}
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}, {
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.format = DRM_FORMAT_YUV444,
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.output_planes = 3,
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.shader_variant = SHADER_VARIANT_Y_U_V,
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{{
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.format = DRM_FORMAT_R8,
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.plane_index = 0
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}, {
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.format = DRM_FORMAT_R8,
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.plane_index = 1
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}, {
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.format = DRM_FORMAT_R8,
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.plane_index = 2
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}}
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}, {
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.format = DRM_FORMAT_XYUV8888,
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.output_planes = 1,
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.shader_variant = SHADER_VARIANT_XYUV,
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{{
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.format = DRM_FORMAT_XBGR8888,
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.plane_index = 0
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}}
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}
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};
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static void
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timeline_begin_render_query(struct gl_renderer *gr, GLuint query)
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{
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if (weston_log_scope_is_enabled(gr->compositor->timeline) &&
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gr->has_native_fence_sync &&
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gr->has_disjoint_timer_query)
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gr->begin_query(GL_TIME_ELAPSED_EXT, query);
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}
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static void
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timeline_end_render_query(struct gl_renderer *gr)
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{
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if (weston_log_scope_is_enabled(gr->compositor->timeline) &&
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gr->has_native_fence_sync &&
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gr->has_disjoint_timer_query)
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gr->end_query(GL_TIME_ELAPSED_EXT);
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}
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static void
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timeline_render_point_destroy(struct timeline_render_point *trp)
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{
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wl_list_remove(&trp->link);
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wl_event_source_remove(trp->event_source);
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close(trp->fd);
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free(trp);
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}
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static int
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timeline_render_point_handler(int fd, uint32_t mask, void *data)
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{
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struct timeline_render_point *trp = data;
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struct timespec end;
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if ((mask & WL_EVENT_READABLE) &&
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(weston_linux_sync_file_read_timestamp(trp->fd, &end) == 0)) {
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struct gl_renderer *gr = get_renderer(trp->output->compositor);
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struct timespec begin;
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GLuint64 elapsed;
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#if !defined(NDEBUG)
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GLint result_available;
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/* The elapsed time result must now be available since the
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* begin/end queries are meant to be queued prior to fence sync
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* creation. */
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gr->get_query_object_iv(trp->query,
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GL_QUERY_RESULT_AVAILABLE_EXT,
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&result_available);
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assert(result_available == GL_TRUE);
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#endif
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gr->get_query_object_ui64v(trp->query, GL_QUERY_RESULT_EXT,
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&elapsed);
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timespec_add_nsec(&begin, &end, -elapsed);
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TL_POINT(trp->output->compositor, "renderer_gpu_begin",
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TLP_GPU(&begin), TLP_OUTPUT(trp->output), TLP_END);
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TL_POINT(trp->output->compositor, "renderer_gpu_end",
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TLP_GPU(&end), TLP_OUTPUT(trp->output), TLP_END);
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}
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timeline_render_point_destroy(trp);
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return 0;
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}
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static EGLSyncKHR
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create_render_sync(struct gl_renderer *gr)
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{
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static const EGLint attribs[] = { EGL_NONE };
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if (!gr->has_native_fence_sync)
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return EGL_NO_SYNC_KHR;
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return gr->create_sync(gr->egl_display, EGL_SYNC_NATIVE_FENCE_ANDROID,
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attribs);
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}
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static void
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timeline_submit_render_sync(struct gl_renderer *gr,
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struct weston_output *output,
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EGLSyncKHR sync,
|
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GLuint query)
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{
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struct gl_output_state *go;
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struct wl_event_loop *loop;
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int fd;
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struct timeline_render_point *trp;
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|
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if (!weston_log_scope_is_enabled(gr->compositor->timeline) ||
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!gr->has_native_fence_sync ||
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!gr->has_disjoint_timer_query ||
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sync == EGL_NO_SYNC_KHR)
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return;
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go = get_output_state(output);
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loop = wl_display_get_event_loop(gr->compositor->wl_display);
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fd = gr->dup_native_fence_fd(gr->egl_display, sync);
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if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID)
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return;
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|
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trp = zalloc(sizeof *trp);
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if (trp == NULL) {
|
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close(fd);
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return;
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}
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trp->fd = fd;
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trp->query = query;
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trp->output = output;
|
|
trp->event_source = wl_event_loop_add_fd(loop, fd,
|
|
WL_EVENT_READABLE,
|
|
timeline_render_point_handler,
|
|
trp);
|
|
|
|
wl_list_insert(&go->timeline_render_point_list, &trp->link);
|
|
}
|
|
|
|
/** Create a texture and a framebuffer object
|
|
*
|
|
* \param fbotex To be initialized.
|
|
* \param width Texture width in pixels.
|
|
* \param height Texture heigh in pixels.
|
|
* \param internal_format See glTexImage2D.
|
|
* \param format See glTexImage2D.
|
|
* \param type See glTexImage2D.
|
|
* \return True on success, false otherwise.
|
|
*/
|
|
static bool
|
|
gl_fbo_texture_init(struct gl_fbo_texture *fbotex,
|
|
int32_t width,
|
|
int32_t height,
|
|
GLint internal_format,
|
|
GLenum format,
|
|
GLenum type)
|
|
{
|
|
int fb_status;
|
|
GLuint shadow_fbo;
|
|
GLuint shadow_tex;
|
|
|
|
glGenTextures(1, &shadow_tex);
|
|
glBindTexture(GL_TEXTURE_2D, shadow_tex);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0,
|
|
format, type, NULL);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
|
|
glGenFramebuffers(1, &shadow_fbo);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, shadow_fbo);
|
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_TEXTURE_2D, shadow_tex, 0);
|
|
|
|
fb_status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
|
|
|
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
|
|
|
if (fb_status != GL_FRAMEBUFFER_COMPLETE) {
|
|
glDeleteFramebuffers(1, &shadow_fbo);
|
|
glDeleteTextures(1, &shadow_tex);
|
|
return false;
|
|
}
|
|
|
|
fbotex->fbo = shadow_fbo;
|
|
fbotex->tex = shadow_tex;
|
|
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
gl_fbo_texture_fini(struct gl_fbo_texture *fbotex)
|
|
{
|
|
glDeleteFramebuffers(1, &fbotex->fbo);
|
|
fbotex->fbo = 0;
|
|
glDeleteTextures(1, &fbotex->tex);
|
|
fbotex->tex = 0;
|
|
}
|
|
|
|
static inline struct gl_renderbuffer *
|
|
to_gl_renderbuffer(struct weston_renderbuffer *renderbuffer)
|
|
{
|
|
return container_of(renderbuffer, struct gl_renderbuffer, base);
|
|
}
|
|
|
|
static inline struct dmabuf_renderbuffer *
|
|
to_dmabuf_renderbuffer(struct gl_renderbuffer *renderbuffer)
|
|
{
|
|
return container_of(renderbuffer, struct dmabuf_renderbuffer, base);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_renderbuffer_destroy(struct weston_renderbuffer *renderbuffer)
|
|
{
|
|
struct gl_renderbuffer *rb = to_gl_renderbuffer(renderbuffer);
|
|
|
|
glDeleteFramebuffers(1, &rb->fbo);
|
|
glDeleteRenderbuffers(1, &rb->rb);
|
|
pixman_region32_fini(&rb->base.damage);
|
|
free(rb);
|
|
}
|
|
|
|
static struct gl_renderbuffer *
|
|
gl_renderer_create_dummy_renderbuffer(struct weston_output *output)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderbuffer *renderbuffer;
|
|
|
|
renderbuffer = xzalloc(sizeof(*renderbuffer));
|
|
|
|
renderbuffer->fbo = 0;
|
|
|
|
pixman_region32_init(&renderbuffer->base.damage);
|
|
pixman_region32_copy(&renderbuffer->base.damage, &output->region);
|
|
renderbuffer->border_damage = BORDER_ALL_DIRTY;
|
|
/*
|
|
* A single reference is kept on the renderbuffer_list,
|
|
* the caller just borrows it.
|
|
*/
|
|
renderbuffer->base.refcount = 1;
|
|
renderbuffer->base.destroy = gl_renderer_renderbuffer_destroy;
|
|
wl_list_insert(&go->renderbuffer_list, &renderbuffer->link);
|
|
|
|
return renderbuffer;
|
|
}
|
|
|
|
static struct weston_renderbuffer *
|
|
gl_renderer_create_fbo(struct weston_output *output,
|
|
const struct pixel_format_info *format,
|
|
int width, int height, uint32_t *pixels)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderbuffer *renderbuffer;
|
|
int fb_status;
|
|
|
|
switch (format->gl_internalformat) {
|
|
case GL_RGB8:
|
|
case GL_RGBA8:
|
|
if (!gr->has_rgb8_rgba8)
|
|
return NULL;
|
|
break;
|
|
case GL_RGB10_A2:
|
|
if (!gr->has_texture_type_2_10_10_10_rev ||
|
|
!gr->has_texture_storage)
|
|
return NULL;
|
|
break;
|
|
default:
|
|
return NULL;
|
|
}
|
|
|
|
renderbuffer = xzalloc(sizeof(*renderbuffer));
|
|
|
|
glGenFramebuffers(1, &renderbuffer->fbo);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, renderbuffer->fbo);
|
|
|
|
glGenRenderbuffers(1, &renderbuffer->rb);
|
|
glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer->rb);
|
|
glRenderbufferStorage(GL_RENDERBUFFER, format->gl_internalformat,
|
|
width, height);
|
|
|
|
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_RENDERBUFFER, renderbuffer->rb);
|
|
|
|
fb_status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
|
glBindRenderbuffer(GL_RENDERBUFFER, 0);
|
|
if (fb_status != GL_FRAMEBUFFER_COMPLETE) {
|
|
glDeleteFramebuffers(1, &renderbuffer->fbo);
|
|
glDeleteRenderbuffers(1, &renderbuffer->rb);
|
|
free(renderbuffer);
|
|
return NULL;
|
|
}
|
|
|
|
renderbuffer->pixels = pixels;
|
|
|
|
pixman_region32_init(&renderbuffer->base.damage);
|
|
/*
|
|
* One reference is kept on the renderbuffer_list,
|
|
* the other is returned to the calling backend.
|
|
*/
|
|
renderbuffer->base.refcount = 2;
|
|
renderbuffer->base.destroy = gl_renderer_renderbuffer_destroy;
|
|
wl_list_insert(&go->renderbuffer_list, &renderbuffer->link);
|
|
|
|
return &renderbuffer->base;
|
|
}
|
|
|
|
static bool
|
|
gl_renderer_do_read_pixels(struct gl_renderer *gr,
|
|
struct gl_output_state *go,
|
|
const struct pixel_format_info *fmt,
|
|
void *pixels, int stride,
|
|
const struct weston_geometry *rect)
|
|
{
|
|
pixman_image_t *tmp = NULL;
|
|
void *tmp_data = NULL;
|
|
pixman_image_t *image;
|
|
pixman_transform_t flip;
|
|
|
|
assert(fmt->gl_type != 0);
|
|
assert(fmt->gl_format != 0);
|
|
|
|
if (!is_y_flipped(go)) {
|
|
glReadPixels(rect->x, rect->y, rect->width, rect->height,
|
|
fmt->gl_format, fmt->gl_type, pixels);
|
|
return true;
|
|
}
|
|
|
|
if (gr->has_pack_reverse) {
|
|
/* Make glReadPixels() return top row first. */
|
|
glPixelStorei(GL_PACK_REVERSE_ROW_ORDER_ANGLE, GL_TRUE);
|
|
glReadPixels(rect->x, rect->y, rect->width, rect->height,
|
|
fmt->gl_format, fmt->gl_type, pixels);
|
|
glPixelStorei(GL_PACK_REVERSE_ROW_ORDER_ANGLE, GL_FALSE);
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* glReadPixels() returns bottom row first. We need to read into a
|
|
* temporary buffer and y-flip it.
|
|
*/
|
|
|
|
tmp_data = malloc(stride * rect->height);
|
|
if (!tmp_data)
|
|
return false;
|
|
|
|
tmp = pixman_image_create_bits(fmt->pixman_format, rect->width,
|
|
rect->height, tmp_data, stride);
|
|
if (!tmp) {
|
|
free(tmp_data);
|
|
return false;
|
|
}
|
|
|
|
glReadPixels(rect->x, rect->y, rect->width, rect->height,
|
|
fmt->gl_format, fmt->gl_type, pixman_image_get_data(tmp));
|
|
|
|
image = pixman_image_create_bits_no_clear(fmt->pixman_format,
|
|
rect->width, rect->height,
|
|
pixels, stride);
|
|
abort_oom_if_null(image);
|
|
|
|
pixman_transform_init_scale(&flip, pixman_fixed_1,
|
|
pixman_fixed_minus_1);
|
|
pixman_transform_translate(&flip, NULL, 0,
|
|
pixman_int_to_fixed(rect->height));
|
|
pixman_image_set_transform(tmp, &flip);
|
|
|
|
pixman_image_composite32(PIXMAN_OP_SRC,
|
|
tmp, /* src */
|
|
NULL, /* mask */
|
|
image, /* dest */
|
|
0, 0, /* src x,y */
|
|
0, 0, /* mask x,y */
|
|
0, 0, /* dest x,y */
|
|
rect->width, rect->height);
|
|
|
|
pixman_image_unref(image);
|
|
pixman_image_unref(tmp);
|
|
free(tmp_data);
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
gl_renderer_do_capture(struct gl_renderer *gr, struct gl_output_state *go,
|
|
struct weston_buffer *into,
|
|
const struct weston_geometry *rect)
|
|
{
|
|
struct wl_shm_buffer *shm = into->shm_buffer;
|
|
const struct pixel_format_info *fmt = into->pixel_format;
|
|
bool ret;
|
|
|
|
assert(into->type == WESTON_BUFFER_SHM);
|
|
assert(shm);
|
|
|
|
wl_shm_buffer_begin_access(shm);
|
|
|
|
ret = gl_renderer_do_read_pixels(gr, go, fmt, wl_shm_buffer_get_data(shm),
|
|
into->stride, rect);
|
|
|
|
wl_shm_buffer_end_access(shm);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static struct gl_capture_task*
|
|
create_capture_task(struct weston_capture_task *task,
|
|
struct gl_renderer *gr,
|
|
const struct weston_geometry *rect)
|
|
{
|
|
struct gl_capture_task *gl_task = xzalloc(sizeof *gl_task);
|
|
|
|
gl_task->task = task;
|
|
gl_task->gr = gr;
|
|
glGenBuffers(1, &gl_task->pbo);
|
|
gl_task->stride = (gr->compositor->read_format->bpp / 8) * rect->width;
|
|
gl_task->height = rect->height;
|
|
gl_task->reverse = !gr->has_pack_reverse;
|
|
gl_task->sync = EGL_NO_SYNC_KHR;
|
|
gl_task->fd = EGL_NO_NATIVE_FENCE_FD_ANDROID;
|
|
|
|
return gl_task;
|
|
}
|
|
|
|
static void
|
|
destroy_capture_task(struct gl_capture_task *gl_task)
|
|
{
|
|
assert(gl_task);
|
|
|
|
wl_event_source_remove(gl_task->source);
|
|
wl_list_remove(&gl_task->link);
|
|
glDeleteBuffers(1, &gl_task->pbo);
|
|
|
|
if (gl_task->sync != EGL_NO_SYNC_KHR)
|
|
gl_task->gr->destroy_sync(gl_task->gr->egl_display,
|
|
gl_task->sync);
|
|
if (gl_task->fd != EGL_NO_NATIVE_FENCE_FD_ANDROID)
|
|
close(gl_task->fd);
|
|
|
|
free(gl_task);
|
|
}
|
|
|
|
static void
|
|
copy_capture(struct gl_capture_task *gl_task)
|
|
{
|
|
struct weston_buffer *buffer =
|
|
weston_capture_task_get_buffer(gl_task->task);
|
|
struct wl_shm_buffer *shm = buffer->shm_buffer;
|
|
struct gl_renderer *gr = gl_task->gr;
|
|
uint8_t *src, *dst;
|
|
int i;
|
|
|
|
assert(shm);
|
|
|
|
glBindBuffer(GL_PIXEL_PACK_BUFFER, gl_task->pbo);
|
|
src = gr->map_buffer_range(GL_PIXEL_PACK_BUFFER, 0,
|
|
gl_task->stride * gl_task->height,
|
|
GL_MAP_READ_BIT);
|
|
dst = wl_shm_buffer_get_data(shm);
|
|
wl_shm_buffer_begin_access(shm);
|
|
|
|
if (!gl_task->reverse) {
|
|
memcpy(dst, src, gl_task->stride * gl_task->height);
|
|
} else {
|
|
src += (gl_task->height - 1) * gl_task->stride;
|
|
for (i = 0; i < gl_task->height; i++) {
|
|
memcpy(dst, src, gl_task->stride);
|
|
dst += gl_task->stride;
|
|
src -= gl_task->stride;
|
|
}
|
|
}
|
|
|
|
wl_shm_buffer_end_access(shm);
|
|
gr->unmap_buffer(GL_PIXEL_PACK_BUFFER);
|
|
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
|
|
}
|
|
|
|
static int
|
|
async_capture_handler(void *data)
|
|
{
|
|
struct gl_capture_task *gl_task = (struct gl_capture_task *) data;
|
|
|
|
assert(gl_task);
|
|
|
|
copy_capture(gl_task);
|
|
weston_capture_task_retire_complete(gl_task->task);
|
|
destroy_capture_task(gl_task);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
async_capture_handler_fd(int fd, uint32_t mask, void *data)
|
|
{
|
|
struct gl_capture_task *gl_task = (struct gl_capture_task *) data;
|
|
|
|
assert(gl_task);
|
|
assert(fd == gl_task->fd);
|
|
|
|
if (mask & WL_EVENT_READABLE) {
|
|
copy_capture(gl_task);
|
|
weston_capture_task_retire_complete(gl_task->task);
|
|
} else {
|
|
weston_capture_task_retire_failed(gl_task->task,
|
|
"GL: capture failed");
|
|
}
|
|
destroy_capture_task(gl_task);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_do_read_pixels_async(struct gl_renderer *gr,
|
|
struct gl_output_state *go,
|
|
struct weston_output *output,
|
|
struct weston_capture_task *task,
|
|
const struct weston_geometry *rect)
|
|
{
|
|
struct weston_buffer *buffer = weston_capture_task_get_buffer(task);
|
|
const struct pixel_format_info *fmt = buffer->pixel_format;
|
|
struct gl_capture_task *gl_task;
|
|
struct wl_event_loop *loop;
|
|
int refresh_mhz, refresh_msec;
|
|
|
|
assert(gr->has_pbo);
|
|
assert(output->current_mode->refresh > 0);
|
|
assert(buffer->type == WESTON_BUFFER_SHM);
|
|
assert(fmt->gl_type != 0);
|
|
assert(fmt->gl_format != 0);
|
|
|
|
if (gr->has_pack_reverse && is_y_flipped(go))
|
|
glPixelStorei(GL_PACK_REVERSE_ROW_ORDER_ANGLE, GL_TRUE);
|
|
|
|
gl_task = create_capture_task(task, gr, rect);
|
|
|
|
glBindBuffer(GL_PIXEL_PACK_BUFFER, gl_task->pbo);
|
|
glBufferData(GL_PIXEL_PACK_BUFFER, gl_task->stride * gl_task->height,
|
|
NULL, gr->pbo_usage);
|
|
glReadPixels(rect->x, rect->y, rect->width, rect->height,
|
|
fmt->gl_format, fmt->gl_type, 0);
|
|
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
|
|
|
|
loop = wl_display_get_event_loop(gr->compositor->wl_display);
|
|
gl_task->sync = create_render_sync(gr);
|
|
|
|
/* Make sure the read back request is flushed. Doing so right between
|
|
* fence sync object creation and native fence fd duplication ensures
|
|
* the fd is created as stated by EGL_ANDROID_native_fence_sync: "the
|
|
* next Flush() operation performed by the current client API causes a
|
|
* new native fence object to be created". */
|
|
glFlush();
|
|
|
|
if (gl_task->sync != EGL_NO_SYNC_KHR)
|
|
gl_task->fd = gr->dup_native_fence_fd(gr->egl_display,
|
|
gl_task->sync);
|
|
|
|
if (gl_task->fd != EGL_NO_NATIVE_FENCE_FD_ANDROID) {
|
|
gl_task->source = wl_event_loop_add_fd(loop, gl_task->fd,
|
|
WL_EVENT_READABLE,
|
|
async_capture_handler_fd,
|
|
gl_task);
|
|
} else {
|
|
/* We guess here an async read back doesn't take more than 5
|
|
* frames on most platforms. */
|
|
gl_task->source = wl_event_loop_add_timer(loop,
|
|
async_capture_handler,
|
|
gl_task);
|
|
refresh_mhz = output->current_mode->refresh;
|
|
refresh_msec = millihz_to_nsec(refresh_mhz) / 1000000;
|
|
wl_event_source_timer_update(gl_task->source, 5 * refresh_msec);
|
|
}
|
|
|
|
wl_list_insert(&gr->pending_capture_list, &gl_task->link);
|
|
|
|
if (gr->has_pack_reverse && is_y_flipped(go))
|
|
glPixelStorei(GL_PACK_REVERSE_ROW_ORDER_ANGLE, GL_FALSE);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_do_capture_tasks(struct gl_renderer *gr,
|
|
struct weston_output *output,
|
|
enum weston_output_capture_source source)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
const struct pixel_format_info *format;
|
|
struct weston_capture_task *ct;
|
|
struct weston_geometry rect;
|
|
|
|
switch (source) {
|
|
case WESTON_OUTPUT_CAPTURE_SOURCE_FRAMEBUFFER:
|
|
format = output->compositor->read_format;
|
|
rect = go->area;
|
|
/* Because glReadPixels has bottom-left origin */
|
|
if (is_y_flipped(go))
|
|
rect.y = go->fb_size.height - go->area.y - go->area.height;
|
|
break;
|
|
case WESTON_OUTPUT_CAPTURE_SOURCE_FULL_FRAMEBUFFER:
|
|
format = output->compositor->read_format;
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
rect.width = go->fb_size.width;
|
|
rect.height = go->fb_size.height;
|
|
break;
|
|
default:
|
|
assert(0);
|
|
return;
|
|
}
|
|
|
|
while ((ct = weston_output_pull_capture_task(output, source, rect.width,
|
|
rect.height, format))) {
|
|
struct weston_buffer *buffer = weston_capture_task_get_buffer(ct);
|
|
|
|
assert(buffer->width == rect.width);
|
|
assert(buffer->height == rect.height);
|
|
assert(buffer->pixel_format->format == format->format);
|
|
|
|
if (buffer->type != WESTON_BUFFER_SHM ||
|
|
buffer->buffer_origin != ORIGIN_TOP_LEFT) {
|
|
weston_capture_task_retire_failed(ct, "GL: unsupported buffer");
|
|
continue;
|
|
}
|
|
|
|
if (buffer->stride % 4 != 0) {
|
|
weston_capture_task_retire_failed(ct, "GL: buffer stride not multiple of 4");
|
|
continue;
|
|
}
|
|
|
|
if (gr->has_pbo) {
|
|
gl_renderer_do_read_pixels_async(gr, go, output, ct, &rect);
|
|
continue;
|
|
}
|
|
|
|
if (gl_renderer_do_capture(gr, go, buffer, &rect))
|
|
weston_capture_task_retire_complete(ct);
|
|
else
|
|
weston_capture_task_retire_failed(ct, "GL: capture failed");
|
|
}
|
|
}
|
|
|
|
static void
|
|
gl_renderer_send_shader_error(struct weston_paint_node *pnode)
|
|
{
|
|
struct wl_resource *resource = pnode->surface->resource;
|
|
|
|
if (!resource)
|
|
return;
|
|
|
|
wl_client_post_implementation_error(wl_resource_get_client(resource),
|
|
"Weston GL-renderer shader failed for wl_surface@%u",
|
|
wl_resource_get_id(resource));
|
|
}
|
|
|
|
static int
|
|
use_output(struct weston_output *output)
|
|
{
|
|
static int errored;
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
EGLBoolean ret;
|
|
|
|
ret = eglMakeCurrent(gr->egl_display, go->egl_surface,
|
|
go->egl_surface, gr->egl_context);
|
|
|
|
if (ret == EGL_FALSE) {
|
|
if (errored)
|
|
return -1;
|
|
errored = 1;
|
|
weston_log("Failed to make EGL context current.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ensure_surface_buffer_is_ready(struct gl_renderer *gr,
|
|
struct gl_surface_state *gs)
|
|
{
|
|
EGLint attribs[] = {
|
|
EGL_SYNC_NATIVE_FENCE_FD_ANDROID,
|
|
-1,
|
|
EGL_NONE
|
|
};
|
|
struct weston_surface *surface = gs->surface;
|
|
struct weston_buffer *buffer = gs->buffer_ref.buffer;
|
|
EGLSyncKHR sync;
|
|
EGLint wait_ret;
|
|
EGLint destroy_ret;
|
|
|
|
if (!buffer)
|
|
return 0;
|
|
|
|
if (surface->acquire_fence_fd < 0)
|
|
return 0;
|
|
|
|
/* We should only get a fence if we support EGLSyncKHR, since
|
|
* we don't advertise the explicit sync protocol otherwise. */
|
|
assert(gr->has_native_fence_sync);
|
|
/* We should only get a fence for non-SHM buffers, since surface
|
|
* commit would have failed otherwise. */
|
|
assert(buffer->type != WESTON_BUFFER_SHM);
|
|
|
|
attribs[1] = dup(surface->acquire_fence_fd);
|
|
if (attribs[1] == -1) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
gs->surface->synchronization_resource,
|
|
"Failed to dup acquire fence");
|
|
return -1;
|
|
}
|
|
|
|
sync = gr->create_sync(gr->egl_display,
|
|
EGL_SYNC_NATIVE_FENCE_ANDROID,
|
|
attribs);
|
|
if (sync == EGL_NO_SYNC_KHR) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
gs->surface->synchronization_resource,
|
|
"Failed to create EGLSyncKHR object");
|
|
close(attribs[1]);
|
|
return -1;
|
|
}
|
|
|
|
wait_ret = gr->wait_sync(gr->egl_display, sync, 0);
|
|
if (wait_ret == EGL_FALSE) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
gs->surface->synchronization_resource,
|
|
"Failed to wait on EGLSyncKHR object");
|
|
/* Continue to try to destroy the sync object. */
|
|
}
|
|
|
|
|
|
destroy_ret = gr->destroy_sync(gr->egl_display, sync);
|
|
if (destroy_ret == EGL_FALSE) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
gs->surface->synchronization_resource,
|
|
"Failed to destroy on EGLSyncKHR object");
|
|
}
|
|
|
|
return (wait_ret == EGL_TRUE && destroy_ret == EGL_TRUE) ? 0 : -1;
|
|
}
|
|
|
|
static void
|
|
prepare_placeholder(struct gl_shader_config *sconf,
|
|
struct weston_paint_node *pnode)
|
|
{
|
|
struct weston_color_transform *ctransf;
|
|
struct weston_output *output = pnode->output;
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_shader_config alt = {
|
|
.req = {
|
|
.variant = SHADER_VARIANT_SOLID,
|
|
.input_is_premult = true,
|
|
},
|
|
.projection = sconf->projection,
|
|
.view_alpha = sconf->view_alpha,
|
|
.unicolor = { pnode->solid.r,
|
|
pnode->solid.g,
|
|
pnode->solid.b,
|
|
pnode->solid.a,
|
|
},
|
|
};
|
|
ctransf = output->color_outcome->from_sRGB_to_blend;
|
|
if (!gl_shader_config_set_color_transform(gr, &alt, ctransf)) {
|
|
weston_log("GL-renderer: %s failed to generate a color transformation.\n",
|
|
__func__);
|
|
}
|
|
|
|
*sconf = alt;
|
|
}
|
|
static void
|
|
gl_shader_config_set_input_textures(struct gl_shader_config *sconf,
|
|
struct gl_surface_state *gs)
|
|
{
|
|
struct gl_buffer_state *gb = gs->buffer;
|
|
int i;
|
|
|
|
sconf->req.variant = gb->shader_variant;
|
|
sconf->req.color_channel_order = gb->gl_channel_order;
|
|
sconf->req.input_is_premult =
|
|
gl_shader_texture_variant_can_be_premult(gb->shader_variant);
|
|
|
|
copy_uniform4f(sconf->unicolor, gb->color);
|
|
|
|
assert(gb->num_textures <= SHADER_INPUT_TEX_MAX);
|
|
for (i = 0; i < gb->num_textures; i++)
|
|
sconf->input_tex[i] = gb->textures[i];
|
|
for (; i < SHADER_INPUT_TEX_MAX; i++)
|
|
sconf->input_tex[i] = 0;
|
|
}
|
|
|
|
static bool
|
|
gl_shader_config_init_for_paint_node(struct gl_shader_config *sconf,
|
|
struct weston_paint_node *pnode,
|
|
GLint filter)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(pnode->surface->compositor);
|
|
struct gl_surface_state *gs = get_surface_state(pnode->surface);
|
|
struct gl_output_state *go = get_output_state(pnode->output);
|
|
struct weston_buffer *buffer = gs->buffer_ref.buffer;
|
|
|
|
if (!pnode->surf_xform_valid)
|
|
return false;
|
|
|
|
*sconf = (struct gl_shader_config) {
|
|
.req.texcoord_input = SHADER_TEXCOORD_INPUT_SURFACE,
|
|
.projection = pnode->view->transform.matrix,
|
|
.surface_to_buffer =
|
|
pnode->view->surface->surface_to_buffer_matrix,
|
|
.view_alpha = pnode->view->alpha,
|
|
.input_tex_filter = filter,
|
|
};
|
|
|
|
weston_matrix_multiply(&sconf->projection, &go->output_matrix);
|
|
|
|
if (buffer->buffer_origin == ORIGIN_TOP_LEFT) {
|
|
weston_matrix_scale(&sconf->surface_to_buffer,
|
|
1.0f / buffer->width,
|
|
1.0f / buffer->height, 1);
|
|
} else {
|
|
weston_matrix_scale(&sconf->surface_to_buffer,
|
|
1.0f / buffer->width,
|
|
go->y_flip / buffer->height, 1);
|
|
weston_matrix_translate(&sconf->surface_to_buffer, 0, 1, 0);
|
|
}
|
|
|
|
gl_shader_config_set_input_textures(sconf, gs);
|
|
|
|
if (!gl_shader_config_set_color_transform(gr, sconf, pnode->surf_xform.transform)) {
|
|
weston_log("GL-renderer: failed to generate a color transformation.\n");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/* A Pixman region is implemented as a "y-x-banded" array of rectangles sorted
|
|
* first vertically and then horizontally. This means that if 2 rectangles with
|
|
* different y coordinates share a group of scanlines, both rectangles will be
|
|
* split into 2 more rectangles with sharing edges. While Pixman coalesces
|
|
* rectangles in horizontal bands whenever possible, this function merges
|
|
* vertical bands.
|
|
*/
|
|
static int
|
|
compress_bands(pixman_box32_t *inrects, int nrects, pixman_box32_t **outrects)
|
|
{
|
|
pixman_box32_t *out;
|
|
int i, j, nout;
|
|
|
|
assert(nrects > 0);
|
|
|
|
/* nrects is an upper bound - we're not too worried about
|
|
* allocating a little extra
|
|
*/
|
|
out = malloc(sizeof(pixman_box32_t) * nrects);
|
|
out[0] = inrects[0];
|
|
nout = 1;
|
|
for (i = 1; i < nrects; i++) {
|
|
for (j = 0; j < nout; j++) {
|
|
if (inrects[i].x1 == out[j].x1 &&
|
|
inrects[i].x2 == out[j].x2 &&
|
|
inrects[i].y1 == out[j].y2) {
|
|
out[j].y2 = inrects[i].y2;
|
|
goto merged;
|
|
}
|
|
}
|
|
out[nout] = inrects[i];
|
|
nout++;
|
|
merged: ;
|
|
}
|
|
*outrects = out;
|
|
return nout;
|
|
}
|
|
|
|
static void
|
|
global_to_surface(pixman_box32_t *rect, struct weston_view *ev,
|
|
struct clipper_vertex polygon[4])
|
|
{
|
|
struct weston_coord_global rect_g[4] = {
|
|
{ .c = weston_coord(rect->x1, rect->y1) },
|
|
{ .c = weston_coord(rect->x2, rect->y1) },
|
|
{ .c = weston_coord(rect->x2, rect->y2) },
|
|
{ .c = weston_coord(rect->x1, rect->y2) },
|
|
};
|
|
struct weston_coord rect_s;
|
|
int i;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
rect_s = weston_coord_global_to_surface(ev, rect_g[i]).c;
|
|
polygon[i].x = (float)rect_s.x;
|
|
polygon[i].y = (float)rect_s.y;
|
|
}
|
|
}
|
|
|
|
/* Transform damage 'region' in global coordinates to damage 'quads' in surface
|
|
* coordinates. 'quads' and 'nquads' are output arguments set if 'quads' is
|
|
* NULL, no transformation happens otherwise. Caller must free 'quads' if
|
|
* set. Caller must ensure 'region' is not empty.
|
|
*/
|
|
static void
|
|
transform_damage(const struct weston_paint_node *pnode,
|
|
pixman_region32_t *region,
|
|
struct clipper_quad **quads,
|
|
int *nquads)
|
|
{
|
|
pixman_box32_t *rects;
|
|
int nrects, i;
|
|
bool compress, axis_aligned;
|
|
struct clipper_quad *quads_alloc;
|
|
struct clipper_vertex polygon[4];
|
|
struct weston_view *view;
|
|
|
|
if (*quads)
|
|
return;
|
|
|
|
rects = pixman_region32_rectangles(region, &nrects);
|
|
compress = nrects >= 4;
|
|
if (compress)
|
|
nrects = compress_bands(rects, nrects, &rects);
|
|
|
|
assert(nrects > 0);
|
|
*quads = quads_alloc = malloc(nrects * sizeof *quads_alloc);
|
|
*nquads = nrects;
|
|
|
|
/* All the damage rects are axis-aligned in global space. This implies
|
|
* that all the horizontal and vertical edges are respectively parallel
|
|
* to each other. Because affine transformations preserve parallelism we
|
|
* can safely assume that if the node's output matrix is affine and
|
|
* stores standard output transforms (translations, flips and rotations
|
|
* by 90°), then all the transformed quads are axis-aligned in surface
|
|
* space. */
|
|
view = pnode->view;
|
|
axis_aligned = pnode->valid_transform;
|
|
for (i = 0; i < nrects; i++) {
|
|
global_to_surface(&rects[i], view, polygon);
|
|
clipper_quad_init(&quads_alloc[i], polygon, axis_aligned);
|
|
}
|
|
|
|
if (compress)
|
|
free(rects);
|
|
}
|
|
|
|
/* Set barycentric coordinates of a sub-mesh of 'count' vertices. 8 barycentric
|
|
* coordinates (32 bytes too) are stored unconditionally into
|
|
* 'barycentric_stream'.
|
|
*/
|
|
static void
|
|
store_wireframes(size_t count,
|
|
uint32_t *barycentric_stream)
|
|
{
|
|
const uint32_t x = 0xff0000, y = 0x00ff00, z = 0x0000ff;
|
|
static const uint32_t barycentrics[][8] = {
|
|
{}, {}, {},
|
|
{ x, z, y, 0, 0, 0, 0, 0 },
|
|
{ x, z, x, y, 0, 0, 0, 0 },
|
|
{ x, z, y, x, y, 0, 0, 0 },
|
|
{ x, z, y, z, x, y, 0, 0 },
|
|
{ x, z, y, x, z, x, y, 0 },
|
|
{ x, z, y, x, y, z, x, y },
|
|
};
|
|
int i;
|
|
|
|
assert(count < ARRAY_LENGTH(barycentrics));
|
|
|
|
for (i = 0; i < 8; i++)
|
|
barycentric_stream[i] = barycentrics[count][i];
|
|
}
|
|
|
|
/* Triangulate a sub-mesh of 'count' vertices as an indexed triangle strip.
|
|
* 'bias' is added to each index. In order to chain sub-meshes, the last index
|
|
* is followed by 2 indices creating 4 degenerate triangles. 'count' must be
|
|
* less than or equal to 8. 16 indices (32 bytes) are stored unconditionally
|
|
* into 'indices'. The return value is the index count, including the 2 chaining
|
|
* indices.
|
|
*/
|
|
static int
|
|
store_indices(size_t count,
|
|
uint16_t bias,
|
|
uint16_t *indices)
|
|
{
|
|
/* Look-up table of triangle strips with last entry storing the index
|
|
* count. Padded to 16 elements for compilers to emit packed adds. */
|
|
static const uint16_t strips[][16] = {
|
|
{}, {}, {},
|
|
{ 0, 2, 1, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5 },
|
|
{ 0, 3, 1, 2, 2, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6 },
|
|
{ 0, 4, 1, 3, 2, 2, 5, 0, 0, 0, 0, 0, 0, 0, 0, 7 },
|
|
{ 0, 5, 1, 4, 2, 3, 3, 6, 0, 0, 0, 0, 0, 0, 0, 8 },
|
|
{ 0, 6, 1, 5, 2, 4, 3, 3, 7, 0, 0, 0, 0, 0, 0, 9 },
|
|
{ 0, 7, 1, 6, 2, 5, 3, 4, 4, 8, 0, 0, 0, 0, 0, 10 },
|
|
};
|
|
int i;
|
|
|
|
assert(count < ARRAY_LENGTH(strips));
|
|
|
|
for (i = 0; i < 16; i++)
|
|
indices[i] = strips[count][i] + bias;
|
|
|
|
return strips[count][15];
|
|
}
|
|
|
|
static void
|
|
set_debug_mode(struct gl_renderer *gr,
|
|
struct gl_shader_config *sconf,
|
|
const uint32_t *barycentrics,
|
|
bool opaque)
|
|
{
|
|
/* Debug mode tints indexed by gl_debug_mode enumeration. While tints
|
|
* are meant to be premultiplied, debug modes can have invalid colors in
|
|
* order to create visual effects. */
|
|
static const float tints[DEBUG_MODE_LAST][4] = {
|
|
{}, /* DEBUG_MODE_NONE */
|
|
{ 0.0f, 0.0f, 0.0f, 0.3f }, /* DEBUG_MODE_WIREFRAME */
|
|
{}, /* DEBUG_MODE_BATCHES */
|
|
{ 0.4f, -0.4f, -0.4f, 0.0f }, /* DEBUG_MODE_DAMAGE */
|
|
{ -0.4f, -0.4f, 0.7f, 0.0f }, /* DEBUG_MODE_OPAQUE */
|
|
};
|
|
static const float batch_tints[][4] = {
|
|
{ 0.9f, 0.0f, 0.0f, 0.9f },
|
|
{ 0.0f, 0.9f, 0.0f, 0.9f },
|
|
{ 0.0f, 0.0f, 0.9f, 0.9f },
|
|
{ 0.9f, 0.9f, 0.0f, 0.9f },
|
|
{ 0.9f, 0.0f, 0.9f, 0.9f },
|
|
{ 0.0f, 0.9f, 0.9f, 0.9f },
|
|
{ 0.9f, 0.9f, 0.9f, 0.9f },
|
|
};
|
|
int i;
|
|
|
|
switch (gr->debug_mode) {
|
|
case DEBUG_MODE_WIREFRAME:
|
|
/* Wireframe rendering is based on Celes & Abraham's "Fast and
|
|
* versatile texture-based wireframe rendering", 2011. */
|
|
sconf->req.wireframe = true;
|
|
sconf->wireframe_tex = gr->wireframe_tex;
|
|
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_BARYCENTRIC);
|
|
glVertexAttribPointer(SHADER_ATTRIB_LOC_BARYCENTRIC, 4,
|
|
GL_UNSIGNED_BYTE, GL_TRUE, 0,
|
|
barycentrics);
|
|
FALLTHROUGH;
|
|
|
|
case DEBUG_MODE_DAMAGE:
|
|
sconf->req.tint = true;
|
|
copy_uniform4f(sconf->tint, tints[gr->debug_mode]);
|
|
break;
|
|
|
|
case DEBUG_MODE_OPAQUE:
|
|
sconf->req.tint = opaque;
|
|
copy_uniform4f(sconf->tint, tints[gr->debug_mode]);
|
|
break;
|
|
|
|
case DEBUG_MODE_BATCHES:
|
|
sconf->req.tint = true;
|
|
i = gr->nbatches++ % ARRAY_LENGTH(batch_tints);
|
|
copy_uniform4f(sconf->tint, batch_tints[i]);
|
|
break;
|
|
|
|
default:
|
|
unreachable("Invalid debug mode");
|
|
}
|
|
}
|
|
|
|
static void
|
|
draw_mesh(struct gl_renderer *gr,
|
|
struct weston_paint_node *pnode,
|
|
struct gl_shader_config *sconf,
|
|
const struct clipper_vertex *positions,
|
|
const uint32_t *barycentrics,
|
|
const uint16_t *indices,
|
|
int nidx,
|
|
bool opaque)
|
|
{
|
|
assert(nidx > 0);
|
|
|
|
if (gr->debug_mode)
|
|
set_debug_mode(gr, sconf, barycentrics, opaque);
|
|
|
|
if (!gl_renderer_use_program(gr, sconf))
|
|
gl_renderer_send_shader_error(pnode); /* Use fallback shader. */
|
|
|
|
glVertexAttribPointer(SHADER_ATTRIB_LOC_POSITION, 2, GL_FLOAT, GL_FALSE,
|
|
0, positions);
|
|
glDrawElements(GL_TRIANGLE_STRIP, nidx, GL_UNSIGNED_SHORT, indices);
|
|
|
|
if (gr->debug_mode == DEBUG_MODE_WIREFRAME)
|
|
glDisableVertexAttribArray(SHADER_ATTRIB_LOC_BARYCENTRIC);
|
|
}
|
|
|
|
static void
|
|
repaint_region(struct gl_renderer *gr,
|
|
struct weston_paint_node *pnode,
|
|
struct clipper_quad *quads,
|
|
int nquads,
|
|
pixman_region32_t *region,
|
|
struct gl_shader_config *sconf,
|
|
bool opaque)
|
|
{
|
|
pixman_box32_t *rects;
|
|
struct clipper_vertex *positions;
|
|
uint32_t *barycentrics = NULL;
|
|
uint16_t *indices;
|
|
int i, j, n, nrects, positions_size, barycentrics_size, indices_size;
|
|
int nvtx = 0, nidx = 0;
|
|
bool wireframe = gr->debug_mode == DEBUG_MODE_WIREFRAME;
|
|
|
|
/* Build-time sub-mesh constants. Clipping emits 8 vertices max.
|
|
* store_indices() store at most 10 indices. */
|
|
const int nvtx_max = 8;
|
|
const int nidx_max = 10;
|
|
|
|
rects = pixman_region32_rectangles(region, &nrects);
|
|
assert((nrects > 0) && (nquads > 0));
|
|
|
|
/* Worst case allocation sizes per sub-mesh. */
|
|
n = nquads * nrects;
|
|
positions_size = n * nvtx_max * sizeof *positions;
|
|
barycentrics_size = ROUND_UP_N(n * nvtx_max * sizeof *barycentrics, 32);
|
|
indices_size = ROUND_UP_N(n * nidx_max * sizeof *indices, 32);
|
|
|
|
positions = wl_array_add(&gr->position_stream, positions_size);
|
|
indices = wl_array_add(&gr->indices, indices_size);
|
|
if (wireframe)
|
|
barycentrics = wl_array_add(&gr->barycentric_stream,
|
|
barycentrics_size);
|
|
|
|
/* A node's damage mesh is created by clipping damage quads to surface
|
|
* rects and by chaining the resulting sub-meshes into an indexed
|
|
* triangle strip. Damage quads are transformed to surface space in a
|
|
* prior pass for clipping to take place there. A surface rect is always
|
|
* axis-aligned in surface space. In the common (and fast) case, a
|
|
* damage quad is axis-aligned and clipping generates an axis-aligned
|
|
* rectangle. When a damage quad isn't axis-aligned, clipping generates
|
|
* a convex [3,8]-gon. No vertices are generated if the intersection is
|
|
* empty.
|
|
*
|
|
* 0 -------- 1 Clipped vertices are emitted using quads'
|
|
* ! _.-'/ '. clockwise winding order. Sub-meshes are then
|
|
* ! _.-' / '. triangulated by zigzagging between the first
|
|
* 5 / 2 and last emitted vertices, ending up with a
|
|
* '. / _.-'! counter-clockwise winding order.
|
|
* '. / _.-' !
|
|
* 4 -------- 3 Triangle strip: 0, 5, 1, 4, 2, 3.
|
|
*/
|
|
for (i = 0; i < nquads; i++) {
|
|
for (j = 0; j < nrects; j++) {
|
|
n = clipper_quad_clip_box32(&quads[i], &rects[j],
|
|
&positions[nvtx]);
|
|
nidx += store_indices(n, nvtx, &indices[nidx]);
|
|
if (wireframe)
|
|
store_wireframes(n, &barycentrics[nvtx]);
|
|
nvtx += n;
|
|
|
|
/* Highly unlikely flush to prevent index wraparound.
|
|
* Subtracting 2 removes the last chaining indices. */
|
|
if ((nvtx + nvtx_max) > UINT16_MAX) {
|
|
draw_mesh(gr, pnode, sconf, positions,
|
|
barycentrics, indices, nidx - 2,
|
|
opaque);
|
|
nvtx = nidx = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (nvtx)
|
|
draw_mesh(gr, pnode, sconf, positions, barycentrics, indices,
|
|
nidx - 2, opaque);
|
|
|
|
gr->position_stream.size = 0;
|
|
gr->indices.size = 0;
|
|
if (wireframe)
|
|
gr->barycentric_stream.size = 0;
|
|
}
|
|
|
|
static void
|
|
draw_paint_node(struct weston_paint_node *pnode,
|
|
pixman_region32_t *damage /* in global coordinates */)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(pnode->surface->compositor);
|
|
struct gl_surface_state *gs = get_surface_state(pnode->surface);
|
|
struct gl_buffer_state *gb = gs->buffer;
|
|
struct weston_buffer *buffer = gs->buffer_ref.buffer;
|
|
/* repaint bounding region in global coordinates: */
|
|
pixman_region32_t repaint;
|
|
/* opaque region in surface coordinates: */
|
|
pixman_region32_t surface_opaque;
|
|
/* non-opaque region in surface coordinates: */
|
|
pixman_region32_t surface_blend;
|
|
GLint filter;
|
|
struct gl_shader_config sconf;
|
|
struct clipper_quad *quads = NULL;
|
|
int nquads;
|
|
|
|
if (gb->shader_variant == SHADER_VARIANT_NONE &&
|
|
!buffer->direct_display)
|
|
return;
|
|
|
|
pixman_region32_init(&repaint);
|
|
pixman_region32_intersect(&repaint, &pnode->visible, damage);
|
|
|
|
if (!pixman_region32_not_empty(&repaint))
|
|
goto out;
|
|
|
|
if (!pnode->draw_solid && ensure_surface_buffer_is_ready(gr, gs) < 0)
|
|
goto out;
|
|
|
|
if (pnode->needs_filtering)
|
|
filter = GL_LINEAR;
|
|
else
|
|
filter = GL_NEAREST;
|
|
|
|
if (!gl_shader_config_init_for_paint_node(&sconf, pnode, filter))
|
|
goto out;
|
|
|
|
/* XXX: Should we be using ev->transform.opaque here? */
|
|
if (pnode->is_fully_opaque)
|
|
pixman_region32_init_rect(&surface_opaque, 0, 0,
|
|
pnode->surface->width,
|
|
pnode->surface->height);
|
|
else {
|
|
pixman_region32_init(&surface_opaque);
|
|
pixman_region32_copy(&surface_opaque, &pnode->surface->opaque);
|
|
}
|
|
|
|
if (pnode->view->geometry.scissor_enabled)
|
|
pixman_region32_intersect(&surface_opaque,
|
|
&surface_opaque,
|
|
&pnode->view->geometry.scissor);
|
|
|
|
/* blended region is whole surface minus opaque region: */
|
|
pixman_region32_init_rect(&surface_blend, 0, 0,
|
|
pnode->surface->width, pnode->surface->height);
|
|
if (pnode->view->geometry.scissor_enabled)
|
|
pixman_region32_intersect(&surface_blend, &surface_blend,
|
|
&pnode->view->geometry.scissor);
|
|
pixman_region32_subtract(&surface_blend, &surface_blend,
|
|
&surface_opaque);
|
|
|
|
if (pnode->draw_solid)
|
|
prepare_placeholder(&sconf, pnode);
|
|
|
|
if (pixman_region32_not_empty(&surface_opaque)) {
|
|
struct gl_shader_config alt = sconf;
|
|
|
|
if (alt.req.variant == SHADER_VARIANT_RGBA) {
|
|
/* Special case for RGBA textures with possibly
|
|
* bad data in alpha channel: use the shader
|
|
* that forces texture alpha = 1.0.
|
|
* Xwayland surfaces need this.
|
|
*/
|
|
alt.req.variant = SHADER_VARIANT_RGBX;
|
|
}
|
|
|
|
if (pnode->view->alpha < 1.0)
|
|
glEnable(GL_BLEND);
|
|
else
|
|
glDisable(GL_BLEND);
|
|
|
|
transform_damage(pnode, &repaint, &quads, &nquads);
|
|
repaint_region(gr, pnode, quads, nquads, &surface_opaque, &alt,
|
|
true);
|
|
gs->used_in_output_repaint = true;
|
|
}
|
|
|
|
if (pixman_region32_not_empty(&surface_blend)) {
|
|
glEnable(GL_BLEND);
|
|
transform_damage(pnode, &repaint, &quads, &nquads);
|
|
repaint_region(gr, pnode, quads, nquads, &surface_blend, &sconf,
|
|
false);
|
|
gs->used_in_output_repaint = true;
|
|
}
|
|
|
|
if (quads)
|
|
free(quads);
|
|
|
|
pixman_region32_fini(&surface_blend);
|
|
pixman_region32_fini(&surface_opaque);
|
|
|
|
out:
|
|
pixman_region32_fini(&repaint);
|
|
}
|
|
|
|
static void
|
|
repaint_views(struct weston_output *output, pixman_region32_t *damage)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct weston_paint_node *pnode;
|
|
|
|
gr->nbatches = 0;
|
|
|
|
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_POSITION);
|
|
|
|
wl_list_for_each_reverse(pnode, &output->paint_node_z_order_list,
|
|
z_order_link) {
|
|
if (pnode->plane == &output->primary_plane ||
|
|
pnode->need_hole)
|
|
draw_paint_node(pnode, damage);
|
|
}
|
|
|
|
glDisableVertexAttribArray(SHADER_ATTRIB_LOC_POSITION);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_fence_fd(struct weston_output *output);
|
|
|
|
/* Updates the release fences of surfaces that were used in the current output
|
|
* repaint. Should only be used from gl_renderer_repaint_output, so that the
|
|
* information in gl_surface_state.used_in_output_repaint is accurate.
|
|
*/
|
|
static void
|
|
update_buffer_release_fences(struct weston_compositor *compositor,
|
|
struct weston_output *output)
|
|
{
|
|
struct weston_paint_node *pnode;
|
|
|
|
wl_list_for_each_reverse(pnode, &output->paint_node_z_order_list,
|
|
z_order_link) {
|
|
struct gl_surface_state *gs;
|
|
struct weston_buffer_release *buffer_release;
|
|
int fence_fd;
|
|
|
|
if (pnode->plane != &output->primary_plane)
|
|
continue;
|
|
|
|
if (pnode->draw_solid)
|
|
continue;
|
|
|
|
gs = get_surface_state(pnode->surface);
|
|
buffer_release = gs->buffer_release_ref.buffer_release;
|
|
|
|
if (!gs->used_in_output_repaint || !buffer_release)
|
|
continue;
|
|
|
|
fence_fd = gl_renderer_create_fence_fd(output);
|
|
|
|
/* If we have a buffer_release then it means we support fences,
|
|
* and we should be able to create the release fence. If we
|
|
* can't, something has gone horribly wrong, so disconnect the
|
|
* client.
|
|
*/
|
|
if (fence_fd == -1) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
buffer_release->resource,
|
|
"Failed to create release fence");
|
|
fd_clear(&buffer_release->fence_fd);
|
|
continue;
|
|
}
|
|
|
|
/* At the moment it is safe to just replace the fence_fd,
|
|
* discarding the previous one:
|
|
*
|
|
* 1. If the previous fence fd represents a sync fence from
|
|
* a previous repaint cycle, that fence fd is now not
|
|
* sufficient to provide the release guarantee and should
|
|
* be replaced.
|
|
*
|
|
* 2. If the fence fd represents a sync fence from another
|
|
* output in the same repaint cycle, it's fine to replace
|
|
* it since we are rendering to all outputs using the same
|
|
* EGL context, so a fence issued for a later output rendering
|
|
* is guaranteed to signal after fences for previous output
|
|
* renderings.
|
|
*
|
|
* Note that the above is only valid if the buffer_release
|
|
* fences only originate from the GL renderer, which guarantees
|
|
* a total order of operations and fences. If we introduce
|
|
* fences from other sources (e.g., plane out-fences), we will
|
|
* need to merge fences instead.
|
|
*/
|
|
fd_update(&buffer_release->fence_fd, fence_fd);
|
|
}
|
|
}
|
|
|
|
/* Update the wireframe texture. The texture is either created, deleted or
|
|
* resized depending on the wireframe debugging state and the area.
|
|
*/
|
|
static void
|
|
update_wireframe_tex(struct gl_renderer *gr,
|
|
const struct weston_geometry *area)
|
|
{
|
|
int new_size, i;
|
|
uint8_t *buffer;
|
|
|
|
if (gr->debug_mode != DEBUG_MODE_WIREFRAME) {
|
|
if (gr->wireframe_size) {
|
|
glDeleteTextures(1, &gr->wireframe_tex);
|
|
gr->wireframe_size = 0;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* Texture size at mip level 0 should be at least as large as the area
|
|
* in order to correctly anti-alias triangles covering it entirely. */
|
|
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &new_size);
|
|
new_size = MIN(round_up_pow2_32(MAX(area->width, area->height)),
|
|
round_down_pow2_32(new_size));
|
|
if (new_size <= gr->wireframe_size)
|
|
return;
|
|
|
|
glActiveTexture(GL_TEXTURE0 + TEX_UNIT_WIREFRAME);
|
|
if (gr->wireframe_size == 0) {
|
|
glGenTextures(1, &gr->wireframe_tex);
|
|
glBindTexture(GL_TEXTURE_2D, gr->wireframe_tex);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
|
|
GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
|
|
GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
|
|
GL_LINEAR_MIPMAP_LINEAR);
|
|
} else {
|
|
glBindTexture(GL_TEXTURE_2D, gr->wireframe_tex);
|
|
}
|
|
gr->wireframe_size = new_size;
|
|
|
|
/* Generate mip chain with a wireframe thickness of 1.0. */
|
|
buffer = xzalloc(new_size);
|
|
buffer[0] = 0xff;
|
|
for (i = 0; new_size; i++, new_size >>= 1)
|
|
glTexImage2D(GL_TEXTURE_2D, i, GL_LUMINANCE, new_size, 1, 0,
|
|
GL_LUMINANCE, GL_UNSIGNED_BYTE, buffer);
|
|
free(buffer);
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
}
|
|
|
|
static void
|
|
draw_output_border_texture(struct gl_renderer *gr,
|
|
struct gl_output_state *go,
|
|
struct gl_shader_config *sconf,
|
|
enum gl_renderer_border_side side,
|
|
int32_t x, int32_t y,
|
|
int32_t width, int32_t height)
|
|
{
|
|
struct gl_border_image *img = &go->borders[side];
|
|
static GLushort indices [] = { 0, 1, 3, 3, 1, 2 };
|
|
|
|
if (!img->data) {
|
|
if (img->tex) {
|
|
glDeleteTextures(1, &img->tex);
|
|
img->tex = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (!img->tex) {
|
|
glGenTextures(1, &img->tex);
|
|
glBindTexture(GL_TEXTURE_2D, img->tex);
|
|
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
} else {
|
|
glBindTexture(GL_TEXTURE_2D, img->tex);
|
|
}
|
|
|
|
if (go->border_status & (1 << side))
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
|
|
img->tex_width, img->height, 0,
|
|
GL_BGRA_EXT, GL_UNSIGNED_BYTE, img->data);
|
|
|
|
sconf->input_tex_filter = GL_NEAREST;
|
|
sconf->input_tex[0] = img->tex;
|
|
gl_renderer_use_program(gr, sconf);
|
|
|
|
GLfloat texcoord[] = {
|
|
0.0f, 0.0f,
|
|
(GLfloat)img->width / (GLfloat)img->tex_width, 0.0f,
|
|
(GLfloat)img->width / (GLfloat)img->tex_width, 1.0f,
|
|
0.0f, 1.0f,
|
|
};
|
|
|
|
GLfloat position[] = {
|
|
x, y,
|
|
x + width, y,
|
|
x + width, y + height,
|
|
x, y + height
|
|
};
|
|
|
|
glVertexAttribPointer(SHADER_ATTRIB_LOC_POSITION, 2, GL_FLOAT, GL_FALSE,
|
|
0, position);
|
|
glVertexAttribPointer(SHADER_ATTRIB_LOC_TEXCOORD, 2, GL_FLOAT, GL_FALSE,
|
|
0, texcoord);
|
|
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices);
|
|
}
|
|
|
|
static int
|
|
output_has_borders(struct weston_output *output)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
return go->borders[GL_RENDERER_BORDER_TOP].data ||
|
|
go->borders[GL_RENDERER_BORDER_RIGHT].data ||
|
|
go->borders[GL_RENDERER_BORDER_BOTTOM].data ||
|
|
go->borders[GL_RENDERER_BORDER_LEFT].data;
|
|
}
|
|
|
|
static struct weston_geometry
|
|
output_get_border_area(const struct gl_output_state *go,
|
|
enum gl_renderer_border_side side)
|
|
{
|
|
const struct weston_size *fb = &go->fb_size;
|
|
const struct weston_geometry *area = &go->area;
|
|
|
|
switch (side) {
|
|
case GL_RENDERER_BORDER_TOP:
|
|
return (struct weston_geometry){
|
|
.x = 0,
|
|
.y = 0,
|
|
.width = fb->width,
|
|
.height = area->y
|
|
};
|
|
case GL_RENDERER_BORDER_LEFT:
|
|
return (struct weston_geometry){
|
|
.x = 0,
|
|
.y = area->y,
|
|
.width = area->x,
|
|
.height = area->height
|
|
};
|
|
case GL_RENDERER_BORDER_RIGHT:
|
|
return (struct weston_geometry){
|
|
.x = area->x + area->width,
|
|
.y = area->y,
|
|
.width = fb->width - area->x - area->width,
|
|
.height = area->height
|
|
};
|
|
case GL_RENDERER_BORDER_BOTTOM:
|
|
return (struct weston_geometry){
|
|
.x = 0,
|
|
.y = area->y + area->height,
|
|
.width = fb->width,
|
|
.height = fb->height - area->y - area->height
|
|
};
|
|
}
|
|
|
|
assert(0);
|
|
return (struct weston_geometry){};
|
|
}
|
|
|
|
static void
|
|
draw_output_borders(struct weston_output *output,
|
|
enum gl_border_status border_status)
|
|
{
|
|
struct gl_shader_config sconf = {
|
|
.req = {
|
|
.variant = SHADER_VARIANT_RGBA,
|
|
.input_is_premult = true,
|
|
},
|
|
.view_alpha = 1.0f,
|
|
};
|
|
struct weston_color_transform *ctransf;
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
const struct weston_size *fb = &go->fb_size;
|
|
unsigned side;
|
|
|
|
if (border_status == BORDER_STATUS_CLEAN)
|
|
return; /* Clean. Nothing to do. */
|
|
|
|
ctransf = output->color_outcome->from_sRGB_to_output;
|
|
if (!gl_shader_config_set_color_transform(gr, &sconf, ctransf)) {
|
|
weston_log("GL-renderer: %s failed to generate a color transformation.\n", __func__);
|
|
return;
|
|
}
|
|
|
|
glDisable(GL_BLEND);
|
|
glViewport(0, 0, fb->width, fb->height);
|
|
|
|
weston_matrix_init(&sconf.projection);
|
|
weston_matrix_translate(&sconf.projection,
|
|
-fb->width / 2.0, -fb->height / 2.0, 0);
|
|
weston_matrix_scale(&sconf.projection,
|
|
2.0 / fb->width, go->y_flip * 2.0 / fb->height, 1);
|
|
|
|
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_POSITION);
|
|
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_TEXCOORD);
|
|
|
|
for (side = 0; side < 4; side++) {
|
|
struct weston_geometry g;
|
|
|
|
if (!(border_status & (1 << side)))
|
|
continue;
|
|
|
|
g = output_get_border_area(go, side);
|
|
draw_output_border_texture(gr, go, &sconf, side,
|
|
g.x, g.y, g.width, g.height);
|
|
}
|
|
|
|
glDisableVertexAttribArray(SHADER_ATTRIB_LOC_TEXCOORD);
|
|
glDisableVertexAttribArray(SHADER_ATTRIB_LOC_POSITION);
|
|
}
|
|
|
|
static void
|
|
output_get_border_damage(struct weston_output *output,
|
|
enum gl_border_status border_status,
|
|
pixman_region32_t *damage)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
unsigned side;
|
|
|
|
for (side = 0; side < 4; side++) {
|
|
struct weston_geometry g;
|
|
|
|
if (!(border_status & (1 << side)))
|
|
continue;
|
|
|
|
g = output_get_border_area(go, side);
|
|
pixman_region32_union_rect(damage, damage,
|
|
g.x, g.y, g.width, g.height);
|
|
}
|
|
}
|
|
|
|
static int
|
|
output_get_buffer_age(struct weston_output *output)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
EGLint buffer_age = 0;
|
|
EGLBoolean ret;
|
|
|
|
if ((gr->has_egl_buffer_age || gr->has_egl_partial_update) &&
|
|
go->egl_surface != EGL_NO_SURFACE) {
|
|
ret = eglQuerySurface(gr->egl_display, go->egl_surface,
|
|
EGL_BUFFER_AGE_EXT, &buffer_age);
|
|
if (ret == EGL_FALSE) {
|
|
weston_log("buffer age query failed.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
}
|
|
}
|
|
|
|
return buffer_age;
|
|
}
|
|
|
|
static struct gl_renderbuffer *
|
|
output_get_dummy_renderbuffer(struct weston_output *output)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
int buffer_age = output_get_buffer_age(output);
|
|
int count = 0;
|
|
struct gl_renderbuffer *rb;
|
|
struct gl_renderbuffer *ret = NULL;
|
|
struct gl_renderbuffer *oldest_rb = NULL;
|
|
int max_buffers;
|
|
|
|
wl_list_for_each(rb, &go->renderbuffer_list, link) {
|
|
/* Count dummy renderbuffers, age them, */
|
|
count++;
|
|
rb->age++;
|
|
/* find the one with buffer_age to return, */
|
|
if (rb->age == buffer_age)
|
|
ret = rb;
|
|
/* and the oldest one in case we decide to reuse it. */
|
|
if (!oldest_rb || rb->age > oldest_rb->age)
|
|
oldest_rb = rb;
|
|
}
|
|
|
|
/* If a renderbuffer of correct age was found, return it, */
|
|
if (ret) {
|
|
ret->age = 0;
|
|
return ret;
|
|
}
|
|
|
|
/* otherwise decide whether to refurbish and return the oldest, */
|
|
max_buffers = (gr->has_egl_buffer_age || gr->has_egl_partial_update) ?
|
|
BUFFER_DAMAGE_COUNT : 1;
|
|
if ((buffer_age == 0 || buffer_age - 1 > BUFFER_DAMAGE_COUNT) &&
|
|
count >= max_buffers) {
|
|
pixman_region32_copy(&oldest_rb->base.damage, &output->region);
|
|
oldest_rb->border_damage = BORDER_ALL_DIRTY;
|
|
oldest_rb->age = 0;
|
|
return oldest_rb;
|
|
}
|
|
|
|
/* or create a new dummy renderbuffer */
|
|
return gl_renderer_create_dummy_renderbuffer(output);
|
|
|
|
}
|
|
|
|
/**
|
|
* Given a region in Weston's (top-left-origin) global co-ordinate space,
|
|
* translate it to the co-ordinate space used by GL for our output
|
|
* rendering. This requires shifting it into output co-ordinate space:
|
|
* translating for output offset within the global co-ordinate space,
|
|
* multiplying by output scale to get buffer rather than logical size.
|
|
*
|
|
* Finally, if borders are drawn around the output, we translate the area
|
|
* to account for the border region around the outside, and add any
|
|
* damage if the borders have been redrawn.
|
|
*
|
|
* @param output The output whose co-ordinate space we are after
|
|
* @param global_region The affected region in global co-ordinate space
|
|
* @param[out] rects quads in {x,y,w,h} order; caller must free
|
|
* @param[out] nrects Number of quads (4x number of co-ordinates)
|
|
*/
|
|
static void
|
|
pixman_region_to_egl(struct weston_output *output,
|
|
struct pixman_region32 *global_region,
|
|
EGLint **rects,
|
|
EGLint *nrects)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
pixman_region32_t transformed;
|
|
struct pixman_box32 *box;
|
|
EGLint *d;
|
|
int i;
|
|
|
|
/* Translate from global to output co-ordinate space. */
|
|
pixman_region32_init(&transformed);
|
|
weston_region_global_to_output(&transformed,
|
|
output,
|
|
global_region);
|
|
|
|
/* If we have borders drawn around the output, shift our output damage
|
|
* to account for borders being drawn around the outside, adding any
|
|
* damage resulting from borders being redrawn. */
|
|
if (output_has_borders(output)) {
|
|
pixman_region32_translate(&transformed,
|
|
go->area.x, go->area.y);
|
|
output_get_border_damage(output, go->border_status,
|
|
&transformed);
|
|
}
|
|
|
|
/* Convert from a Pixman region into {x,y,w,h} quads, potentially
|
|
* flipping in the Y axis to account for GL's lower-left-origin
|
|
* coordinate space if the output uses the GL coordinate space. */
|
|
box = pixman_region32_rectangles(&transformed, nrects);
|
|
*rects = malloc(*nrects * 4 * sizeof(EGLint));
|
|
|
|
d = *rects;
|
|
for (i = 0; i < *nrects; ++i) {
|
|
*d++ = box[i].x1;
|
|
*d++ = is_y_flipped(go) ?
|
|
go->fb_size.height - box[i].y2 : box[i].y1;
|
|
*d++ = box[i].x2 - box[i].x1;
|
|
*d++ = box[i].y2 - box[i].y1;
|
|
}
|
|
|
|
pixman_region32_fini(&transformed);
|
|
}
|
|
|
|
static void
|
|
blit_shadow_to_output(struct weston_output *output,
|
|
pixman_region32_t *output_damage)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_shader_config sconf = {
|
|
.req = {
|
|
.variant = SHADER_VARIANT_RGBA,
|
|
.input_is_premult = true,
|
|
},
|
|
.projection = {
|
|
.d = { /* transpose */
|
|
2.0f, 0.0f, 0.0f, 0.0f,
|
|
0.0f, go->y_flip * 2.0f, 0.0f, 0.0f,
|
|
0.0f, 0.0f, 1.0f, 0.0f,
|
|
-1.0f, -go->y_flip, 0.0f, 1.0f
|
|
},
|
|
.type = WESTON_MATRIX_TRANSFORM_SCALE |
|
|
WESTON_MATRIX_TRANSFORM_TRANSLATE,
|
|
},
|
|
.view_alpha = 1.0f,
|
|
.input_tex_filter = GL_NEAREST,
|
|
.input_tex[0] = go->shadow.tex,
|
|
};
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
double width = go->area.width;
|
|
double height = go->area.height;
|
|
struct weston_color_transform *ctransf;
|
|
pixman_box32_t *rects;
|
|
int n_rects;
|
|
int i;
|
|
pixman_region32_t translated_damage;
|
|
struct { GLfloat x, y; } position[4];
|
|
struct { GLfloat s, t; } texcoord[4];
|
|
|
|
ctransf = output->color_outcome->from_blend_to_output;
|
|
if (!gl_shader_config_set_color_transform(gr, &sconf, ctransf)) {
|
|
weston_log("GL-renderer: %s failed to generate a color transformation.\n", __func__);
|
|
return;
|
|
}
|
|
|
|
pixman_region32_init(&translated_damage);
|
|
|
|
gl_renderer_use_program(gr, &sconf);
|
|
glDisable(GL_BLEND);
|
|
|
|
/* output_damage is in global coordinates */
|
|
pixman_region32_intersect(&translated_damage, output_damage,
|
|
&output->region);
|
|
/* Convert to output pixel coordinates in-place */
|
|
weston_region_global_to_output(&translated_damage, output,
|
|
&translated_damage);
|
|
|
|
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_POSITION);
|
|
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_TEXCOORD);
|
|
|
|
rects = pixman_region32_rectangles(&translated_damage, &n_rects);
|
|
for (i = 0; i < n_rects; i++) {
|
|
const GLfloat x1 = rects[i].x1 / width;
|
|
const GLfloat x2 = rects[i].x2 / width;
|
|
const GLfloat y1 = rects[i].y1 / height;
|
|
const GLfloat y2 = rects[i].y2 / height;
|
|
const GLfloat y1_flipped = 1.0f - y1;
|
|
const GLfloat y2_flipped = 1.0f - y2;
|
|
|
|
position[0].x = x1;
|
|
position[0].y = y1;
|
|
position[1].x = x2;
|
|
position[1].y = y1;
|
|
position[2].x = x2;
|
|
position[2].y = y2;
|
|
position[3].x = x1;
|
|
position[3].y = y2;
|
|
|
|
texcoord[0].s = x1;
|
|
texcoord[0].t = is_y_flipped(go) ? y1_flipped : y1;
|
|
texcoord[1].s = x2;
|
|
texcoord[1].t = is_y_flipped(go) ? y1_flipped : y1;
|
|
texcoord[2].s = x2;
|
|
texcoord[2].t = is_y_flipped(go) ? y2_flipped : y2;
|
|
texcoord[3].s = x1;
|
|
texcoord[3].t = is_y_flipped(go) ? y2_flipped : y2;
|
|
|
|
glVertexAttribPointer(SHADER_ATTRIB_LOC_POSITION, 2, GL_FLOAT,
|
|
GL_FALSE, 0, position);
|
|
|
|
glVertexAttribPointer(SHADER_ATTRIB_LOC_TEXCOORD, 2, GL_FLOAT,
|
|
GL_FALSE, 0, texcoord);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
}
|
|
|
|
glDisableVertexAttribArray(SHADER_ATTRIB_LOC_TEXCOORD);
|
|
glDisableVertexAttribArray(SHADER_ATTRIB_LOC_POSITION);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
pixman_region32_fini(&translated_damage);
|
|
}
|
|
|
|
/* NOTE: We now allow falling back to ARGB gl visuals when XRGB is
|
|
* unavailable, so we're assuming the background has no transparency
|
|
* and that everything with a blend, like drop shadows, will have something
|
|
* opaque (like the background) drawn underneath it.
|
|
*
|
|
* Depending on the underlying hardware, violating that assumption could
|
|
* result in seeing through to another display plane.
|
|
*/
|
|
static void
|
|
gl_renderer_repaint_output(struct weston_output *output,
|
|
pixman_region32_t *output_damage,
|
|
struct weston_renderbuffer *renderbuffer)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct weston_compositor *compositor = output->compositor;
|
|
struct gl_renderer *gr = get_renderer(compositor);
|
|
static int errored;
|
|
struct weston_paint_node *pnode;
|
|
const int32_t area_y =
|
|
is_y_flipped(go) ? go->fb_size.height - go->area.height - go->area.y : go->area.y;
|
|
struct gl_renderbuffer *rb;
|
|
|
|
assert(output->from_blend_to_output_by_backend ||
|
|
output->color_outcome->from_blend_to_output == NULL ||
|
|
shadow_exists(go));
|
|
|
|
if (use_output(output) < 0)
|
|
return;
|
|
|
|
/* Accumulate damage in all renderbuffers */
|
|
wl_list_for_each(rb, &go->renderbuffer_list, link) {
|
|
pixman_region32_union(&rb->base.damage,
|
|
&rb->base.damage,
|
|
output_damage);
|
|
rb->border_damage |= go->border_status;
|
|
}
|
|
|
|
if (renderbuffer)
|
|
rb = to_gl_renderbuffer(renderbuffer);
|
|
else
|
|
rb = output_get_dummy_renderbuffer(output);
|
|
|
|
/* Clear the used_in_output_repaint flag, so that we can properly track
|
|
* which surfaces were used in this output repaint. */
|
|
wl_list_for_each_reverse(pnode, &output->paint_node_z_order_list,
|
|
z_order_link) {
|
|
if (pnode->plane == &output->primary_plane) {
|
|
struct gl_surface_state *gs =
|
|
get_surface_state(pnode->surface);
|
|
gs->used_in_output_repaint = false;
|
|
}
|
|
}
|
|
|
|
timeline_begin_render_query(gr, go->render_query);
|
|
|
|
/* Calculate the global GL matrix */
|
|
go->output_matrix = output->matrix;
|
|
weston_matrix_translate(&go->output_matrix,
|
|
-(go->area.width / 2.0),
|
|
-(go->area.height / 2.0), 0);
|
|
weston_matrix_scale(&go->output_matrix,
|
|
2.0 / go->area.width,
|
|
go->y_flip * 2.0 / go->area.height, 1);
|
|
|
|
/* If using shadow, redirect all drawing to it first. */
|
|
if (shadow_exists(go)) {
|
|
glBindFramebuffer(GL_FRAMEBUFFER, go->shadow.fbo);
|
|
glViewport(0, 0, go->area.width, go->area.height);
|
|
} else {
|
|
glBindFramebuffer(GL_FRAMEBUFFER, rb->fbo);
|
|
glViewport(go->area.x, area_y,
|
|
go->area.width, go->area.height);
|
|
}
|
|
|
|
if (gr->wireframe_dirty) {
|
|
update_wireframe_tex(gr, &go->area);
|
|
gr->wireframe_dirty = false;
|
|
}
|
|
|
|
/* Some of the debug modes need an entire repaint to make sure that we
|
|
* clear any debug left over on this buffer. This precludes the use of
|
|
* EGL_EXT_swap_buffers_with_damage and EGL_KHR_partial_update, since we
|
|
* damage the whole area. */
|
|
if (gr->debug_clear) {
|
|
pixman_region32_t undamaged;
|
|
pixman_region32_t *damaged =
|
|
shadow_exists(go) ? output_damage : &rb->base.damage;
|
|
int debug_mode = gr->debug_mode;
|
|
|
|
pixman_region32_init(&undamaged);
|
|
pixman_region32_subtract(&undamaged, &output->region, damaged);
|
|
gr->debug_mode = DEBUG_MODE_NONE;
|
|
repaint_views(output, &undamaged);
|
|
gr->debug_mode = debug_mode;
|
|
pixman_region32_fini(&undamaged);
|
|
}
|
|
|
|
if (gr->has_egl_partial_update &&
|
|
go->egl_surface != EGL_NO_SURFACE &&
|
|
!gr->debug_clear) {
|
|
int n_egl_rects;
|
|
EGLint *egl_rects;
|
|
|
|
/* For partial_update, we need to pass the region which has
|
|
* changed since we last rendered into this specific buffer. */
|
|
pixman_region_to_egl(output, &rb->base.damage,
|
|
&egl_rects, &n_egl_rects);
|
|
gr->set_damage_region(gr->egl_display, go->egl_surface,
|
|
egl_rects, n_egl_rects);
|
|
free(egl_rects);
|
|
}
|
|
|
|
if (shadow_exists(go)) {
|
|
/* Repaint into shadow. */
|
|
if (compositor->test_data.test_quirks.gl_force_full_redraw_of_shadow_fb)
|
|
repaint_views(output, &output->region);
|
|
else
|
|
repaint_views(output, output_damage);
|
|
|
|
glBindFramebuffer(GL_FRAMEBUFFER, rb->fbo);
|
|
glViewport(go->area.x, area_y,
|
|
go->area.width, go->area.height);
|
|
blit_shadow_to_output(output, gr->debug_clear ?
|
|
&output->region : &rb->base.damage);
|
|
} else {
|
|
repaint_views(output, &rb->base.damage);
|
|
}
|
|
|
|
draw_output_borders(output, rb->border_damage);
|
|
|
|
gl_renderer_do_capture_tasks(gr, output,
|
|
WESTON_OUTPUT_CAPTURE_SOURCE_FRAMEBUFFER);
|
|
gl_renderer_do_capture_tasks(gr, output,
|
|
WESTON_OUTPUT_CAPTURE_SOURCE_FULL_FRAMEBUFFER);
|
|
wl_signal_emit(&output->frame_signal, output_damage);
|
|
|
|
timeline_end_render_query(gr);
|
|
|
|
if (go->render_sync != EGL_NO_SYNC_KHR)
|
|
gr->destroy_sync(gr->egl_display, go->render_sync);
|
|
go->render_sync = create_render_sync(gr);
|
|
|
|
if (go->egl_surface != EGL_NO_SURFACE) {
|
|
EGLBoolean ret;
|
|
|
|
if (gr->swap_buffers_with_damage && !gr->debug_clear) {
|
|
int n_egl_rects;
|
|
EGLint *egl_rects;
|
|
|
|
/* For swap_buffers_with_damage, we need to pass the region
|
|
* which has changed since the previous SwapBuffers on this
|
|
* surface - this is output_damage. */
|
|
pixman_region_to_egl(output, output_damage,
|
|
&egl_rects, &n_egl_rects);
|
|
ret = gr->swap_buffers_with_damage(gr->egl_display,
|
|
go->egl_surface,
|
|
egl_rects, n_egl_rects);
|
|
free(egl_rects);
|
|
} else {
|
|
ret = eglSwapBuffers(gr->egl_display, go->egl_surface);
|
|
}
|
|
|
|
if (ret == EGL_FALSE && !errored) {
|
|
errored = 1;
|
|
weston_log("Failed in eglSwapBuffers.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
}
|
|
} else {
|
|
glFlush();
|
|
}
|
|
|
|
rb->border_damage = BORDER_STATUS_CLEAN;
|
|
go->border_status = BORDER_STATUS_CLEAN;
|
|
|
|
/* We have to submit the render sync objects after swap buffers, since
|
|
* the objects get assigned a valid sync file fd only after a gl flush.
|
|
*/
|
|
timeline_submit_render_sync(gr, output, go->render_sync,
|
|
go->render_query);
|
|
|
|
update_buffer_release_fences(compositor, output);
|
|
|
|
if (rb->pixels) {
|
|
uint32_t *pixels = rb->pixels;
|
|
int width = go->fb_size.width;
|
|
int stride = width * (compositor->read_format->bpp >> 3);
|
|
pixman_box32_t extents;
|
|
struct weston_geometry rect = {
|
|
.x = go->area.x,
|
|
.width = go->area.width,
|
|
};
|
|
|
|
extents = weston_matrix_transform_rect(&output->matrix,
|
|
rb->base.damage.extents);
|
|
|
|
if (gr->debug_clear) {
|
|
rect.y = go->area.y;
|
|
rect.height = go->area.height;
|
|
} else {
|
|
rect.y = go->area.y + extents.y1;
|
|
rect.height = extents.y2 - extents.y1;
|
|
pixels += rect.width * extents.y1;
|
|
}
|
|
|
|
if (gr->gl_version >= gr_gl_version(3, 0) && !gr->debug_clear) {
|
|
glPixelStorei(GL_PACK_ROW_LENGTH, width);
|
|
rect.width = extents.x2 - extents.x1;
|
|
rect.x += extents.x1;
|
|
pixels += extents.x1;
|
|
}
|
|
|
|
gl_renderer_do_read_pixels(gr, go, compositor->read_format,
|
|
pixels, stride, &rect);
|
|
|
|
if (gr->gl_version >= gr_gl_version(3, 0))
|
|
glPixelStorei(GL_PACK_ROW_LENGTH, 0);
|
|
}
|
|
|
|
pixman_region32_clear(&rb->base.damage);
|
|
|
|
gl_renderer_garbage_collect_programs(gr);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_read_pixels(struct weston_output *output,
|
|
const struct pixel_format_info *format, void *pixels,
|
|
uint32_t x, uint32_t y,
|
|
uint32_t width, uint32_t height)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
x += go->area.x;
|
|
y += go->fb_size.height - go->area.y - go->area.height;
|
|
|
|
if (format->gl_format == 0 || format->gl_type == 0)
|
|
return -1;
|
|
|
|
if (use_output(output) < 0)
|
|
return -1;
|
|
|
|
glPixelStorei(GL_PACK_ALIGNMENT, 1);
|
|
glReadPixels(x, y, width, height, format->gl_format,
|
|
format->gl_type, pixels);
|
|
glPixelStorei(GL_PACK_ALIGNMENT, 4);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static GLenum
|
|
gl_format_from_internal(GLenum internal_format)
|
|
{
|
|
switch (internal_format) {
|
|
case GL_R8_EXT:
|
|
return GL_RED_EXT;
|
|
case GL_RG8_EXT:
|
|
return GL_RG_EXT;
|
|
case GL_RGBA16_EXT:
|
|
case GL_RGBA16F:
|
|
case GL_RGB10_A2:
|
|
return GL_RGBA;
|
|
default:
|
|
return internal_format;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gl_renderer_flush_damage(struct weston_paint_node *pnode)
|
|
{
|
|
struct weston_surface *surface = pnode->surface;
|
|
const struct weston_testsuite_quirks *quirks =
|
|
&surface->compositor->test_data.test_quirks;
|
|
struct weston_buffer *buffer = surface->buffer_ref.buffer;
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
struct gl_buffer_state *gb = gs->buffer;
|
|
pixman_box32_t *rectangles;
|
|
uint8_t *data;
|
|
int i, j, n;
|
|
|
|
assert(buffer && gb);
|
|
|
|
pixman_region32_union(&gb->texture_damage,
|
|
&gb->texture_damage, &surface->damage);
|
|
|
|
if (pnode->plane != &pnode->output->primary_plane)
|
|
return;
|
|
|
|
/* This can happen if a SHM wl_buffer gets destroyed before we flush
|
|
* damage, because wayland-server just nukes the wl_shm_buffer from
|
|
* underneath us */
|
|
if (!buffer->shm_buffer)
|
|
return;
|
|
|
|
if (!pixman_region32_not_empty(&gb->texture_damage) &&
|
|
!gb->needs_full_upload)
|
|
goto done;
|
|
|
|
data = wl_shm_buffer_get_data(buffer->shm_buffer);
|
|
|
|
if (gb->needs_full_upload || quirks->gl_force_full_upload) {
|
|
wl_shm_buffer_begin_access(buffer->shm_buffer);
|
|
|
|
for (j = 0; j < gb->num_textures; j++) {
|
|
int hsub = pixel_format_hsub(buffer->pixel_format, j);
|
|
int vsub = pixel_format_vsub(buffer->pixel_format, j);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, gb->textures[j]);
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT,
|
|
gb->pitch / hsub);
|
|
glTexImage2D(GL_TEXTURE_2D, 0,
|
|
gb->gl_format[j],
|
|
buffer->width / hsub,
|
|
buffer->height / vsub,
|
|
0,
|
|
gl_format_from_internal(gb->gl_format[j]),
|
|
gb->gl_pixel_type,
|
|
data + gb->offset[j]);
|
|
}
|
|
wl_shm_buffer_end_access(buffer->shm_buffer);
|
|
goto done;
|
|
}
|
|
|
|
rectangles = pixman_region32_rectangles(&gb->texture_damage, &n);
|
|
wl_shm_buffer_begin_access(buffer->shm_buffer);
|
|
for (i = 0; i < n; i++) {
|
|
pixman_box32_t r;
|
|
|
|
r = weston_surface_to_buffer_rect(surface, rectangles[i]);
|
|
|
|
for (j = 0; j < gb->num_textures; j++) {
|
|
int hsub = pixel_format_hsub(buffer->pixel_format, j);
|
|
int vsub = pixel_format_vsub(buffer->pixel_format, j);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, gb->textures[j]);
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT,
|
|
gb->pitch / hsub);
|
|
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, r.x1 / hsub);
|
|
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, r.y1 / vsub);
|
|
glTexSubImage2D(GL_TEXTURE_2D, 0,
|
|
r.x1 / hsub,
|
|
r.y1 / vsub,
|
|
(r.x2 - r.x1) / hsub,
|
|
(r.y2 - r.y1) / vsub,
|
|
gl_format_from_internal(gb->gl_format[j]),
|
|
gb->gl_pixel_type,
|
|
data + gb->offset[j]);
|
|
}
|
|
}
|
|
wl_shm_buffer_end_access(buffer->shm_buffer);
|
|
|
|
done:
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
|
|
|
|
pixman_region32_fini(&gb->texture_damage);
|
|
pixman_region32_init(&gb->texture_damage);
|
|
gb->needs_full_upload = false;
|
|
|
|
weston_buffer_reference(&gs->buffer_ref, buffer,
|
|
BUFFER_WILL_NOT_BE_ACCESSED);
|
|
weston_buffer_release_reference(&gs->buffer_release_ref, NULL);
|
|
}
|
|
|
|
static void
|
|
destroy_buffer_state(struct gl_buffer_state *gb)
|
|
{
|
|
int i;
|
|
|
|
glDeleteTextures(gb->num_textures, gb->textures);
|
|
|
|
for (i = 0; i < gb->num_images; i++)
|
|
gb->gr->destroy_image(gb->gr->egl_display, gb->images[i]);
|
|
|
|
pixman_region32_fini(&gb->texture_damage);
|
|
wl_list_remove(&gb->destroy_listener.link);
|
|
|
|
free(gb);
|
|
}
|
|
|
|
static void
|
|
handle_buffer_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct weston_buffer *buffer = data;
|
|
struct gl_buffer_state *gb =
|
|
container_of(listener, struct gl_buffer_state, destroy_listener);
|
|
|
|
assert(gb == buffer->renderer_private);
|
|
buffer->renderer_private = NULL;
|
|
|
|
destroy_buffer_state(gb);
|
|
}
|
|
|
|
static void
|
|
ensure_textures(struct gl_buffer_state *gb, GLenum target, int num_textures)
|
|
{
|
|
int i;
|
|
|
|
assert(gb->num_textures == 0);
|
|
|
|
for (i = 0; i < num_textures; i++) {
|
|
glGenTextures(1, &gb->textures[i]);
|
|
glBindTexture(target, gb->textures[i]);
|
|
glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
}
|
|
gb->num_textures = num_textures;
|
|
glBindTexture(target, 0);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer)
|
|
{
|
|
struct weston_compositor *ec = es->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(es);
|
|
struct gl_buffer_state *gb;
|
|
struct weston_buffer *old_buffer = gs->buffer_ref.buffer;
|
|
GLenum gl_format[3] = {0, 0, 0};
|
|
GLenum gl_pixel_type;
|
|
enum gl_shader_texture_variant shader_variant;
|
|
int pitch;
|
|
int offset[3] = { 0, 0, 0 };
|
|
unsigned int num_planes;
|
|
unsigned int i;
|
|
bool using_glesv2 = gr->gl_version < gr_gl_version(3, 0);
|
|
const struct yuv_format_descriptor *yuv = NULL;
|
|
|
|
/* When sampling YUV input textures and converting to RGB by hand, we
|
|
* have to bind to each plane separately, with a different format. For
|
|
* example, YUYV will have a single wl_shm input plane, but be bound as
|
|
* two planes within gl-renderer, one as GR88 and one as ARGB8888.
|
|
*
|
|
* The yuv_formats array gives us this translation.
|
|
*/
|
|
for (i = 0; i < ARRAY_LENGTH(yuv_formats); ++i) {
|
|
if (yuv_formats[i].format == buffer->pixel_format->format) {
|
|
yuv = &yuv_formats[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (yuv) {
|
|
unsigned int out;
|
|
unsigned int shm_plane_count;
|
|
int shm_offset[3] = { 0 };
|
|
int bpp = buffer->pixel_format->bpp;
|
|
|
|
/* XXX: Pitch here is given in pixel units, whereas offset is
|
|
* given in byte units. This is fragile and will break with
|
|
* new formats.
|
|
*/
|
|
if (!bpp)
|
|
bpp = pixel_format_get_info(yuv->plane[0].format)->bpp;
|
|
pitch = buffer->stride / (bpp / 8);
|
|
|
|
/* well, they all are so far ... */
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
shader_variant = yuv->shader_variant;
|
|
|
|
/* pre-compute all plane offsets in shm buffer */
|
|
shm_plane_count = pixel_format_get_plane_count(buffer->pixel_format);
|
|
assert(shm_plane_count <= ARRAY_LENGTH(shm_offset));
|
|
for (i = 1; i < shm_plane_count; i++) {
|
|
int hsub, vsub;
|
|
|
|
hsub = pixel_format_hsub(buffer->pixel_format, i - 1);
|
|
vsub = pixel_format_vsub(buffer->pixel_format, i - 1);
|
|
shm_offset[i] = shm_offset[i - 1] +
|
|
((pitch / hsub) * (buffer->height / vsub));
|
|
}
|
|
|
|
num_planes = yuv->output_planes;
|
|
for (out = 0; out < num_planes; out++) {
|
|
const struct pixel_format_info *sub_info =
|
|
pixel_format_get_info(yuv->plane[out].format);
|
|
|
|
assert(sub_info);
|
|
assert(yuv->plane[out].plane_index < (int) shm_plane_count);
|
|
|
|
gl_format[out] = sub_info->gl_format;
|
|
offset[out] = shm_offset[yuv->plane[out].plane_index];
|
|
}
|
|
} else {
|
|
int bpp = buffer->pixel_format->bpp;
|
|
|
|
assert(pixel_format_get_plane_count(buffer->pixel_format) == 1);
|
|
num_planes = 1;
|
|
|
|
if (pixel_format_is_opaque(buffer->pixel_format))
|
|
shader_variant = SHADER_VARIANT_RGBX;
|
|
else
|
|
shader_variant = SHADER_VARIANT_RGBA;
|
|
|
|
assert(bpp > 0 && !(bpp & 7));
|
|
pitch = buffer->stride / (bpp / 8);
|
|
|
|
gl_format[0] = buffer->pixel_format->gl_format;
|
|
gl_pixel_type = buffer->pixel_format->gl_type;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_LENGTH(gb->gl_format); i++) {
|
|
/* Fall back to GL_RGBA for 10bpc formats on ES2 */
|
|
if (using_glesv2 && gl_format[i] == GL_RGB10_A2) {
|
|
assert(gl_pixel_type == GL_UNSIGNED_INT_2_10_10_10_REV_EXT);
|
|
gl_format[i] = GL_RGBA;
|
|
}
|
|
|
|
/* Fall back to old luminance-based formats if we don't have
|
|
* GL_EXT_texture_rg, which requires different sampling for
|
|
* two-component formats. */
|
|
if (!gr->has_gl_texture_rg && gl_format[i] == GL_R8_EXT) {
|
|
assert(gl_pixel_type == GL_UNSIGNED_BYTE);
|
|
assert(shader_variant == SHADER_VARIANT_Y_U_V ||
|
|
shader_variant == SHADER_VARIANT_Y_UV);
|
|
gl_format[i] = GL_LUMINANCE;
|
|
}
|
|
if (!gr->has_gl_texture_rg && gl_format[i] == GL_RG8_EXT) {
|
|
assert(gl_pixel_type == GL_UNSIGNED_BYTE);
|
|
assert(shader_variant == SHADER_VARIANT_Y_UV ||
|
|
shader_variant == SHADER_VARIANT_Y_XUXV);
|
|
shader_variant = SHADER_VARIANT_Y_XUXV;
|
|
gl_format[i] = GL_LUMINANCE_ALPHA;
|
|
}
|
|
}
|
|
|
|
/* If this surface previously had a SHM buffer, its gl_buffer_state will
|
|
* be speculatively retained. Check to see if we can reuse it rather
|
|
* than allocating a new one. */
|
|
assert(!gs->buffer ||
|
|
(old_buffer && old_buffer->type == WESTON_BUFFER_SHM));
|
|
if (gs->buffer &&
|
|
buffer->width == old_buffer->width &&
|
|
buffer->height == old_buffer->height &&
|
|
buffer->pixel_format == old_buffer->pixel_format) {
|
|
gs->buffer->pitch = pitch;
|
|
memcpy(gs->buffer->offset, offset, sizeof(offset));
|
|
return;
|
|
}
|
|
|
|
if (gs->buffer)
|
|
destroy_buffer_state(gs->buffer);
|
|
gs->buffer = NULL;
|
|
|
|
gb = xzalloc(sizeof(*gb));
|
|
gb->gr = gr;
|
|
|
|
wl_list_init(&gb->destroy_listener.link);
|
|
pixman_region32_init(&gb->texture_damage);
|
|
|
|
gb->pitch = pitch;
|
|
gb->shader_variant = shader_variant;
|
|
ARRAY_COPY(gb->offset, offset);
|
|
ARRAY_COPY(gb->gl_format, gl_format);
|
|
gb->gl_channel_order = buffer->pixel_format->gl_channel_order;
|
|
gb->gl_pixel_type = gl_pixel_type;
|
|
gb->needs_full_upload = true;
|
|
|
|
gs->buffer = gb;
|
|
gs->surface = es;
|
|
|
|
ensure_textures(gb, GL_TEXTURE_2D, num_planes);
|
|
}
|
|
|
|
static bool
|
|
gl_renderer_fill_buffer_info(struct weston_compositor *ec,
|
|
struct weston_buffer *buffer)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_buffer_state *gb = zalloc(sizeof(*gb));
|
|
EGLint format;
|
|
uint32_t fourcc = DRM_FORMAT_INVALID;
|
|
GLenum target;
|
|
EGLint y_inverted;
|
|
bool ret = true;
|
|
int i;
|
|
|
|
if (!gb)
|
|
return false;
|
|
|
|
gb->gr = gr;
|
|
pixman_region32_init(&gb->texture_damage);
|
|
|
|
buffer->legacy_buffer = (struct wl_buffer *)buffer->resource;
|
|
ret &= gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_WIDTH, &buffer->width);
|
|
ret &= gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_HEIGHT, &buffer->height);
|
|
ret &= gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_TEXTURE_FORMAT, &format);
|
|
if (!ret) {
|
|
weston_log("eglQueryWaylandBufferWL failed\n");
|
|
gl_renderer_print_egl_error_state();
|
|
goto err_free;
|
|
}
|
|
|
|
/* The legacy EGL buffer interface only describes the channels we can
|
|
* sample from; not their depths or order. Take a stab at something
|
|
* which might be representative. Pessimise extremely hard for
|
|
* TEXTURE_EXTERNAL_OES. */
|
|
switch (format) {
|
|
case EGL_TEXTURE_RGB:
|
|
fourcc = DRM_FORMAT_XRGB8888;
|
|
gb->num_images = 1;
|
|
gb->shader_variant = SHADER_VARIANT_RGBA;
|
|
break;
|
|
case EGL_TEXTURE_RGBA:
|
|
fourcc = DRM_FORMAT_ARGB8888;
|
|
gb->num_images = 1;
|
|
gb->shader_variant = SHADER_VARIANT_RGBA;
|
|
break;
|
|
case EGL_TEXTURE_EXTERNAL_WL:
|
|
fourcc = DRM_FORMAT_ARGB8888;
|
|
gb->num_images = 1;
|
|
gb->shader_variant = SHADER_VARIANT_EXTERNAL;
|
|
break;
|
|
case EGL_TEXTURE_Y_XUXV_WL:
|
|
fourcc = DRM_FORMAT_YUYV;
|
|
gb->num_images = 2;
|
|
gb->shader_variant = SHADER_VARIANT_Y_XUXV;
|
|
break;
|
|
case EGL_TEXTURE_Y_UV_WL:
|
|
fourcc = DRM_FORMAT_NV12;
|
|
gb->num_images = 2;
|
|
gb->shader_variant = SHADER_VARIANT_Y_UV;
|
|
break;
|
|
case EGL_TEXTURE_Y_U_V_WL:
|
|
fourcc = DRM_FORMAT_YUV420;
|
|
gb->num_images = 3;
|
|
gb->shader_variant = SHADER_VARIANT_Y_U_V;
|
|
break;
|
|
default:
|
|
assert(0 && "not reached");
|
|
}
|
|
|
|
buffer->pixel_format = pixel_format_get_info(fourcc);
|
|
assert(buffer->pixel_format);
|
|
buffer->format_modifier = DRM_FORMAT_MOD_INVALID;
|
|
|
|
/* Assume scanout co-ordinate space i.e. (0,0) is top-left
|
|
* if the query fails */
|
|
ret = gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_WAYLAND_Y_INVERTED_WL, &y_inverted);
|
|
if (!ret || y_inverted)
|
|
buffer->buffer_origin = ORIGIN_TOP_LEFT;
|
|
else
|
|
buffer->buffer_origin = ORIGIN_BOTTOM_LEFT;
|
|
|
|
for (i = 0; i < gb->num_images; i++) {
|
|
const EGLint attribs[] = {
|
|
EGL_WAYLAND_PLANE_WL, i,
|
|
EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
|
|
EGL_NONE
|
|
};
|
|
|
|
gb->images[i] = gr->create_image(gr->egl_display,
|
|
EGL_NO_CONTEXT,
|
|
EGL_WAYLAND_BUFFER_WL,
|
|
buffer->legacy_buffer,
|
|
attribs);
|
|
if (gb->images[i] == EGL_NO_IMAGE_KHR) {
|
|
weston_log("couldn't create EGLImage for plane %d\n", i);
|
|
goto err_img;
|
|
}
|
|
}
|
|
|
|
target = gl_shader_texture_variant_get_target(gb->shader_variant);
|
|
ensure_textures(gb, target, gb->num_images);
|
|
|
|
buffer->renderer_private = gb;
|
|
gb->destroy_listener.notify = handle_buffer_destroy;
|
|
wl_signal_add(&buffer->destroy_signal, &gb->destroy_listener);
|
|
return true;
|
|
|
|
err_img:
|
|
while (--i >= 0)
|
|
gr->destroy_image(gb->gr->egl_display, gb->images[i]);
|
|
err_free:
|
|
free(gb);
|
|
return false;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_destroy_dmabuf(struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct gl_buffer_state *gb =
|
|
linux_dmabuf_buffer_get_user_data(dmabuf);
|
|
|
|
linux_dmabuf_buffer_set_user_data(dmabuf, NULL, NULL);
|
|
destroy_buffer_state(gb);
|
|
}
|
|
|
|
static EGLImageKHR
|
|
import_simple_dmabuf(struct gl_renderer *gr,
|
|
const struct dmabuf_attributes *attributes)
|
|
{
|
|
EGLint attribs[52];
|
|
int atti = 0;
|
|
bool has_modifier;
|
|
|
|
/* This requires the Mesa commit in
|
|
* Mesa 10.3 (08264e5dad4df448e7718e782ad9077902089a07) or
|
|
* Mesa 10.2.7 (55d28925e6109a4afd61f109e845a8a51bd17652).
|
|
* Otherwise Mesa closes the fd behind our back and re-importing
|
|
* will fail.
|
|
* https://bugs.freedesktop.org/show_bug.cgi?id=76188
|
|
*/
|
|
|
|
attribs[atti++] = EGL_WIDTH;
|
|
attribs[atti++] = attributes->width;
|
|
attribs[atti++] = EGL_HEIGHT;
|
|
attribs[atti++] = attributes->height;
|
|
attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
|
|
attribs[atti++] = attributes->format;
|
|
attribs[atti++] = EGL_IMAGE_PRESERVED_KHR;
|
|
attribs[atti++] = EGL_TRUE;
|
|
|
|
if (attributes->modifier != DRM_FORMAT_MOD_INVALID) {
|
|
if (!gr->has_dmabuf_import_modifiers)
|
|
return NULL;
|
|
has_modifier = true;
|
|
} else {
|
|
has_modifier = false;
|
|
}
|
|
|
|
if (attributes->n_planes > 0) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_FD_EXT;
|
|
attribs[atti++] = attributes->fd[0];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[0];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[0];
|
|
if (has_modifier) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
|
|
attribs[atti++] = attributes->modifier & 0xFFFFFFFF;
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
|
|
attribs[atti++] = attributes->modifier >> 32;
|
|
}
|
|
}
|
|
|
|
if (attributes->n_planes > 1) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_FD_EXT;
|
|
attribs[atti++] = attributes->fd[1];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[1];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[1];
|
|
if (has_modifier) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT;
|
|
attribs[atti++] = attributes->modifier & 0xFFFFFFFF;
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT;
|
|
attribs[atti++] = attributes->modifier >> 32;
|
|
}
|
|
}
|
|
|
|
if (attributes->n_planes > 2) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_FD_EXT;
|
|
attribs[atti++] = attributes->fd[2];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[2];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[2];
|
|
if (has_modifier) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT;
|
|
attribs[atti++] = attributes->modifier & 0xFFFFFFFF;
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT;
|
|
attribs[atti++] = attributes->modifier >> 32;
|
|
}
|
|
}
|
|
|
|
if (gr->has_dmabuf_import_modifiers) {
|
|
if (attributes->n_planes > 3) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_FD_EXT;
|
|
attribs[atti++] = attributes->fd[3];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[3];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[3];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT;
|
|
attribs[atti++] = attributes->modifier & 0xFFFFFFFF;
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT;
|
|
attribs[atti++] = attributes->modifier >> 32;
|
|
}
|
|
}
|
|
|
|
attribs[atti++] = EGL_NONE;
|
|
|
|
return gr->create_image(gr->egl_display, EGL_NO_CONTEXT,
|
|
EGL_LINUX_DMA_BUF_EXT, NULL, attribs);
|
|
}
|
|
|
|
static EGLImageKHR
|
|
import_dmabuf_single_plane(struct gl_renderer *gr,
|
|
const struct pixel_format_info *info,
|
|
int idx,
|
|
const struct dmabuf_attributes *attributes,
|
|
struct yuv_plane_descriptor *descriptor)
|
|
{
|
|
struct dmabuf_attributes plane;
|
|
EGLImageKHR image;
|
|
char fmt[4];
|
|
int hsub = pixel_format_hsub(info, idx);
|
|
int vsub = pixel_format_vsub(info, idx);
|
|
|
|
plane.width = attributes->width / hsub;
|
|
plane.height = attributes->height / vsub;
|
|
plane.format = descriptor->format;
|
|
plane.n_planes = 1;
|
|
plane.fd[0] = attributes->fd[descriptor->plane_index];
|
|
plane.offset[0] = attributes->offset[descriptor->plane_index];
|
|
plane.stride[0] = attributes->stride[descriptor->plane_index];
|
|
plane.modifier = attributes->modifier;
|
|
|
|
image = import_simple_dmabuf(gr, &plane);
|
|
if (image == EGL_NO_IMAGE_KHR) {
|
|
weston_log("Failed to import plane %d as %.4s\n",
|
|
descriptor->plane_index,
|
|
dump_format(descriptor->format, fmt));
|
|
return NULL;
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
static bool
|
|
import_yuv_dmabuf(struct gl_renderer *gr, struct gl_buffer_state *gb,
|
|
struct dmabuf_attributes *attributes)
|
|
{
|
|
unsigned i;
|
|
int j;
|
|
struct yuv_format_descriptor *format = NULL;
|
|
const struct pixel_format_info *info;
|
|
int plane_count;
|
|
GLenum target;
|
|
char fmt[4];
|
|
|
|
for (i = 0; i < ARRAY_LENGTH(yuv_formats); ++i) {
|
|
if (yuv_formats[i].format == attributes->format) {
|
|
format = &yuv_formats[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!format) {
|
|
weston_log("Error during import, and no known conversion for format "
|
|
"%.4s in the renderer\n",
|
|
dump_format(attributes->format, fmt));
|
|
return false;
|
|
}
|
|
|
|
info = pixel_format_get_info(attributes->format);
|
|
assert(info);
|
|
plane_count = pixel_format_get_plane_count(info);
|
|
|
|
if (attributes->n_planes != plane_count) {
|
|
weston_log("%.4s dmabuf must contain %d plane%s (%d provided)\n",
|
|
dump_format(format->format, fmt),
|
|
plane_count,
|
|
(plane_count > 1) ? "s" : "",
|
|
attributes->n_planes);
|
|
return false;
|
|
}
|
|
|
|
for (j = 0; j < format->output_planes; ++j) {
|
|
gb->images[j] = import_dmabuf_single_plane(gr, info, j, attributes,
|
|
&format->plane[j]);
|
|
if (gb->images[j] == EGL_NO_IMAGE_KHR) {
|
|
while (--j >= 0) {
|
|
gr->destroy_image(gb->gr->egl_display,
|
|
gb->images[j]);
|
|
gb->images[j] = NULL;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
gb->num_images = format->output_planes;
|
|
gb->shader_variant = format->shader_variant;
|
|
|
|
target = gl_shader_texture_variant_get_target(gb->shader_variant);
|
|
ensure_textures(gb, target, gb->num_images);
|
|
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_query_dmabuf_modifiers_full(struct gl_renderer *gr, int format,
|
|
uint64_t **modifiers,
|
|
unsigned **external_only,
|
|
int *num_modifiers);
|
|
|
|
static struct dmabuf_format*
|
|
dmabuf_format_create(struct gl_renderer *gr, uint32_t format)
|
|
{
|
|
struct dmabuf_format *dmabuf_format;
|
|
|
|
dmabuf_format = calloc(1, sizeof(struct dmabuf_format));
|
|
if (!dmabuf_format)
|
|
return NULL;
|
|
|
|
dmabuf_format->format = format;
|
|
|
|
gl_renderer_query_dmabuf_modifiers_full(gr, format,
|
|
&dmabuf_format->modifiers,
|
|
&dmabuf_format->external_only,
|
|
&dmabuf_format->num_modifiers);
|
|
|
|
if (dmabuf_format->num_modifiers == 0) {
|
|
free(dmabuf_format);
|
|
return NULL;
|
|
}
|
|
|
|
wl_list_insert(&gr->dmabuf_formats, &dmabuf_format->link);
|
|
return dmabuf_format;
|
|
}
|
|
|
|
static void
|
|
dmabuf_format_destroy(struct dmabuf_format *format)
|
|
{
|
|
free(format->modifiers);
|
|
free(format->external_only);
|
|
wl_list_remove(&format->link);
|
|
free(format);
|
|
}
|
|
|
|
static GLenum
|
|
choose_texture_target(struct gl_renderer *gr,
|
|
struct dmabuf_attributes *attributes)
|
|
{
|
|
struct dmabuf_format *tmp, *format = NULL;
|
|
|
|
wl_list_for_each(tmp, &gr->dmabuf_formats, link) {
|
|
if (tmp->format == attributes->format) {
|
|
format = tmp;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!format)
|
|
format = dmabuf_format_create(gr, attributes->format);
|
|
|
|
if (format) {
|
|
int i;
|
|
|
|
for (i = 0; i < format->num_modifiers; ++i) {
|
|
if (format->modifiers[i] == attributes->modifier) {
|
|
if (format->external_only[i])
|
|
return GL_TEXTURE_EXTERNAL_OES;
|
|
else
|
|
return GL_TEXTURE_2D;
|
|
}
|
|
}
|
|
}
|
|
|
|
switch (attributes->format & ~DRM_FORMAT_BIG_ENDIAN) {
|
|
case DRM_FORMAT_YUYV:
|
|
case DRM_FORMAT_YVYU:
|
|
case DRM_FORMAT_UYVY:
|
|
case DRM_FORMAT_VYUY:
|
|
case DRM_FORMAT_AYUV:
|
|
case DRM_FORMAT_XYUV8888:
|
|
return GL_TEXTURE_EXTERNAL_OES;
|
|
default:
|
|
return GL_TEXTURE_2D;
|
|
}
|
|
}
|
|
|
|
static struct gl_buffer_state *
|
|
import_dmabuf(struct gl_renderer *gr,
|
|
struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
EGLImageKHR egl_image;
|
|
struct gl_buffer_state *gb;
|
|
|
|
if (!pixel_format_get_info(dmabuf->attributes.format))
|
|
return NULL;
|
|
|
|
gb = zalloc(sizeof(*gb));
|
|
if (!gb)
|
|
return NULL;
|
|
|
|
gb->gr = gr;
|
|
pixman_region32_init(&gb->texture_damage);
|
|
wl_list_init(&gb->destroy_listener.link);
|
|
|
|
egl_image = import_simple_dmabuf(gr, &dmabuf->attributes);
|
|
if (egl_image != EGL_NO_IMAGE_KHR) {
|
|
GLenum target = choose_texture_target(gr, &dmabuf->attributes);
|
|
|
|
gb->num_images = 1;
|
|
gb->images[0] = egl_image;
|
|
|
|
switch (target) {
|
|
case GL_TEXTURE_2D:
|
|
gb->shader_variant = SHADER_VARIANT_RGBA;
|
|
break;
|
|
default:
|
|
gb->shader_variant = SHADER_VARIANT_EXTERNAL;
|
|
}
|
|
|
|
ensure_textures(gb, target, gb->num_images);
|
|
|
|
return gb;
|
|
}
|
|
|
|
if (!import_yuv_dmabuf(gr, gb, &dmabuf->attributes)) {
|
|
destroy_buffer_state(gb);
|
|
return NULL;
|
|
}
|
|
|
|
return gb;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_query_dmabuf_formats(struct weston_compositor *wc,
|
|
int **formats, int *num_formats)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(wc);
|
|
static const int fallback_formats[] = {
|
|
DRM_FORMAT_ARGB8888,
|
|
DRM_FORMAT_XRGB8888,
|
|
DRM_FORMAT_YUYV,
|
|
DRM_FORMAT_NV12,
|
|
DRM_FORMAT_YUV420,
|
|
DRM_FORMAT_YUV444,
|
|
DRM_FORMAT_XYUV8888,
|
|
};
|
|
bool fallback = false;
|
|
EGLint num;
|
|
|
|
assert(gr->has_dmabuf_import);
|
|
|
|
if (!gr->has_dmabuf_import_modifiers ||
|
|
!gr->query_dmabuf_formats(gr->egl_display, 0, NULL, &num)) {
|
|
num = gr->has_gl_texture_rg ? ARRAY_LENGTH(fallback_formats) : 2;
|
|
fallback = true;
|
|
}
|
|
|
|
*formats = calloc(num, sizeof(int));
|
|
if (*formats == NULL) {
|
|
*num_formats = 0;
|
|
return;
|
|
}
|
|
|
|
if (fallback) {
|
|
memcpy(*formats, fallback_formats, num * sizeof(int));
|
|
*num_formats = num;
|
|
return;
|
|
}
|
|
|
|
if (!gr->query_dmabuf_formats(gr->egl_display, num, *formats, &num)) {
|
|
*num_formats = 0;
|
|
free(*formats);
|
|
return;
|
|
}
|
|
|
|
*num_formats = num;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_query_dmabuf_modifiers_full(struct gl_renderer *gr, int format,
|
|
uint64_t **modifiers,
|
|
unsigned **external_only,
|
|
int *num_modifiers)
|
|
{
|
|
int num;
|
|
|
|
assert(gr->has_dmabuf_import);
|
|
|
|
if (!gr->has_dmabuf_import_modifiers ||
|
|
!gr->query_dmabuf_modifiers(gr->egl_display, format, 0, NULL,
|
|
NULL, &num) ||
|
|
num == 0) {
|
|
*num_modifiers = 0;
|
|
return;
|
|
}
|
|
|
|
*modifiers = calloc(num, sizeof(uint64_t));
|
|
if (*modifiers == NULL) {
|
|
*num_modifiers = 0;
|
|
return;
|
|
}
|
|
if (external_only) {
|
|
*external_only = calloc(num, sizeof(unsigned));
|
|
if (*external_only == NULL) {
|
|
*num_modifiers = 0;
|
|
free(*modifiers);
|
|
return;
|
|
}
|
|
}
|
|
if (!gr->query_dmabuf_modifiers(gr->egl_display, format,
|
|
num, *modifiers, external_only ?
|
|
*external_only : NULL, &num)) {
|
|
*num_modifiers = 0;
|
|
free(*modifiers);
|
|
if (external_only)
|
|
free(*external_only);
|
|
return;
|
|
}
|
|
|
|
*num_modifiers = num;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_query_dmabuf_modifiers(struct weston_compositor *wc, int format,
|
|
uint64_t **modifiers,
|
|
int *num_modifiers)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(wc);
|
|
|
|
gl_renderer_query_dmabuf_modifiers_full(gr, format, modifiers, NULL,
|
|
num_modifiers);
|
|
}
|
|
|
|
static bool
|
|
gl_renderer_import_dmabuf(struct weston_compositor *ec,
|
|
struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_buffer_state *gb;
|
|
|
|
assert(gr->has_dmabuf_import);
|
|
|
|
/* return if EGL doesn't support import modifiers */
|
|
if (dmabuf->attributes.modifier != DRM_FORMAT_MOD_INVALID)
|
|
if (!gr->has_dmabuf_import_modifiers)
|
|
return false;
|
|
|
|
/* reject all flags we do not recognize or handle */
|
|
if (dmabuf->attributes.flags & ~ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_Y_INVERT)
|
|
return false;
|
|
|
|
gb = import_dmabuf(gr, dmabuf);
|
|
if (!gb)
|
|
return false;
|
|
|
|
linux_dmabuf_buffer_set_user_data(dmabuf, gb,
|
|
gl_renderer_destroy_dmabuf);
|
|
|
|
return true;
|
|
}
|
|
|
|
static struct gl_buffer_state *
|
|
ensure_renderer_gl_buffer_state(struct weston_surface *surface,
|
|
struct weston_buffer *buffer)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
struct gl_buffer_state *gb = buffer->renderer_private;
|
|
|
|
if (gb) {
|
|
gs->buffer = gb;
|
|
return gb;
|
|
}
|
|
|
|
gb = zalloc(sizeof(*gb));
|
|
gb->gr = gr;
|
|
pixman_region32_init(&gb->texture_damage);
|
|
buffer->renderer_private = gb;
|
|
gb->destroy_listener.notify = handle_buffer_destroy;
|
|
wl_signal_add(&buffer->destroy_signal, &gb->destroy_listener);
|
|
|
|
gs->buffer = gb;
|
|
|
|
return gb;
|
|
}
|
|
|
|
static void
|
|
attach_direct_display_placeholder(struct weston_paint_node *pnode)
|
|
{
|
|
struct weston_surface *surface = pnode->surface;
|
|
struct weston_buffer *buffer = surface->buffer_ref.buffer;
|
|
struct gl_buffer_state *gb;
|
|
|
|
gb = ensure_renderer_gl_buffer_state(surface, buffer);
|
|
|
|
/* uses the same color as the content-protection placeholder */
|
|
gb->color[0] = pnode->solid.r;
|
|
gb->color[1] = pnode->solid.g;
|
|
gb->color[2] = pnode->solid.b;
|
|
gb->color[3] = pnode->solid.a;
|
|
|
|
gb->shader_variant = SHADER_VARIANT_SOLID;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach_buffer(struct weston_surface *surface,
|
|
struct weston_buffer *buffer)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
struct gl_buffer_state *gb;
|
|
GLenum target;
|
|
int i;
|
|
|
|
assert(buffer->renderer_private);
|
|
gb = buffer->renderer_private;
|
|
|
|
gs->buffer = gb;
|
|
|
|
target = gl_shader_texture_variant_get_target(gb->shader_variant);
|
|
for (i = 0; i < gb->num_images; ++i) {
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
glBindTexture(target, gb->textures[i]);
|
|
gr->image_target_texture_2d(target, gb->images[i]);
|
|
}
|
|
glActiveTexture(GL_TEXTURE0);
|
|
}
|
|
|
|
static const struct weston_drm_format_array *
|
|
gl_renderer_get_supported_formats(struct weston_compositor *ec)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
|
|
return &gr->supported_formats;
|
|
}
|
|
|
|
static int
|
|
populate_supported_formats(struct weston_compositor *ec,
|
|
struct weston_drm_format_array *supported_formats)
|
|
{
|
|
struct weston_drm_format *fmt;
|
|
int *formats = NULL;
|
|
uint64_t *modifiers = NULL;
|
|
int num_formats, num_modifiers;
|
|
int i, j;
|
|
int ret = 0;
|
|
|
|
/* Use EGL_EXT_image_dma_buf_import_modifiers to query the
|
|
* list of formats/modifiers of the renderer. */
|
|
gl_renderer_query_dmabuf_formats(ec, &formats, &num_formats);
|
|
if (num_formats == 0)
|
|
return 0;
|
|
|
|
for (i = 0; i < num_formats; i++) {
|
|
const struct pixel_format_info *info =
|
|
pixel_format_get_info(formats[i]);
|
|
|
|
if (!info || info->hide_from_clients)
|
|
continue;
|
|
|
|
fmt = weston_drm_format_array_add_format(supported_formats,
|
|
formats[i]);
|
|
if (!fmt) {
|
|
ret = -1;
|
|
goto out;
|
|
}
|
|
|
|
/* Always add DRM_FORMAT_MOD_INVALID, as EGL implementations
|
|
* support implicit modifiers. */
|
|
ret = weston_drm_format_add_modifier(fmt, DRM_FORMAT_MOD_INVALID);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
gl_renderer_query_dmabuf_modifiers(ec, formats[i],
|
|
&modifiers, &num_modifiers);
|
|
if (num_modifiers == 0)
|
|
continue;
|
|
|
|
for (j = 0; j < num_modifiers; j++) {
|
|
/* Skip MOD_INVALID, as it has already been added. */
|
|
if (modifiers[j] == DRM_FORMAT_MOD_INVALID)
|
|
continue;
|
|
ret = weston_drm_format_add_modifier(fmt, modifiers[j]);
|
|
if (ret < 0) {
|
|
free(modifiers);
|
|
goto out;
|
|
}
|
|
}
|
|
free(modifiers);
|
|
}
|
|
|
|
out:
|
|
free(formats);
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach_solid(struct weston_surface *surface,
|
|
struct weston_buffer *buffer)
|
|
{
|
|
struct gl_buffer_state *gb;
|
|
|
|
gb = ensure_renderer_gl_buffer_state(surface, buffer);
|
|
|
|
gb->color[0] = buffer->solid.r;
|
|
gb->color[1] = buffer->solid.g;
|
|
gb->color[2] = buffer->solid.b;
|
|
gb->color[3] = buffer->solid.a;
|
|
|
|
gb->shader_variant = SHADER_VARIANT_SOLID;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach(struct weston_paint_node *pnode)
|
|
{
|
|
struct weston_surface *es = pnode->surface;
|
|
struct weston_buffer *buffer = es->buffer_ref.buffer;
|
|
struct gl_surface_state *gs = get_surface_state(es);
|
|
|
|
if (gs->buffer_ref.buffer == buffer)
|
|
return;
|
|
|
|
/* SHM buffers are a little special in that they are allocated
|
|
* per-surface rather than per-buffer, because we keep a shadow
|
|
* copy of the SHM data in a GL texture; for these we need to
|
|
* destroy the buffer state when we're switching to another
|
|
* buffer type. For all the others, the gl_buffer_state comes
|
|
* from the weston_buffer itself, and will only be destroyed
|
|
* along with it. */
|
|
if (gs->buffer && gs->buffer_ref.buffer->type == WESTON_BUFFER_SHM) {
|
|
if (!buffer || buffer->type != WESTON_BUFFER_SHM) {
|
|
destroy_buffer_state(gs->buffer);
|
|
gs->buffer = NULL;
|
|
}
|
|
} else {
|
|
gs->buffer = NULL;
|
|
}
|
|
|
|
if (!buffer)
|
|
goto out;
|
|
|
|
if (pnode->is_direct) {
|
|
attach_direct_display_placeholder(pnode);
|
|
goto success;
|
|
}
|
|
|
|
switch (buffer->type) {
|
|
case WESTON_BUFFER_SHM:
|
|
gl_renderer_attach_shm(es, buffer);
|
|
break;
|
|
case WESTON_BUFFER_DMABUF:
|
|
case WESTON_BUFFER_RENDERER_OPAQUE:
|
|
gl_renderer_attach_buffer(es, buffer);
|
|
break;
|
|
case WESTON_BUFFER_SOLID:
|
|
gl_renderer_attach_solid(es, buffer);
|
|
break;
|
|
default:
|
|
weston_log("unhandled buffer type!\n");
|
|
weston_buffer_send_server_error(buffer,
|
|
"disconnecting due to unhandled buffer type");
|
|
goto out;
|
|
}
|
|
|
|
success:
|
|
weston_buffer_reference(&gs->buffer_ref, buffer,
|
|
BUFFER_MAY_BE_ACCESSED);
|
|
weston_buffer_release_reference(&gs->buffer_release_ref,
|
|
es->buffer_release_ref.buffer_release);
|
|
return;
|
|
|
|
out:
|
|
assert(!gs->buffer);
|
|
weston_buffer_reference(&gs->buffer_ref, NULL,
|
|
BUFFER_WILL_NOT_BE_ACCESSED);
|
|
weston_buffer_release_reference(&gs->buffer_release_ref, NULL);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_buffer_init(struct weston_compositor *etc,
|
|
struct weston_buffer *buffer)
|
|
{
|
|
struct gl_buffer_state *gb;
|
|
|
|
if (buffer->type != WESTON_BUFFER_DMABUF)
|
|
return;
|
|
|
|
/* Thanks to linux-dmabuf being totally independent of libweston,
|
|
* the gl_buffer_state willonly be set as userdata on the dmabuf,
|
|
* not on the weston_buffer. Steal it away into the weston_buffer. */
|
|
assert(!buffer->renderer_private);
|
|
gb = linux_dmabuf_buffer_get_user_data(buffer->dmabuf);
|
|
assert(gb);
|
|
linux_dmabuf_buffer_set_user_data(buffer->dmabuf, NULL, NULL);
|
|
buffer->renderer_private = gb;
|
|
gb->destroy_listener.notify = handle_buffer_destroy;
|
|
wl_signal_add(&buffer->destroy_signal, &gb->destroy_listener);
|
|
}
|
|
|
|
static uint32_t
|
|
pack_color(pixman_format_code_t format, float *c)
|
|
{
|
|
uint8_t r = round(c[0] * 255.0f);
|
|
uint8_t g = round(c[1] * 255.0f);
|
|
uint8_t b = round(c[2] * 255.0f);
|
|
uint8_t a = round(c[3] * 255.0f);
|
|
|
|
switch (format) {
|
|
case PIXMAN_a8b8g8r8:
|
|
return (a << 24) | (b << 16) | (g << 8) | r;
|
|
default:
|
|
assert(0);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
gl_renderer_surface_copy_content(struct weston_surface *surface,
|
|
void *target, size_t size,
|
|
int src_x, int src_y,
|
|
int width, int height)
|
|
{
|
|
static const GLfloat verts[4 * 2] = {
|
|
0.0f, 0.0f,
|
|
1.0f, 0.0f,
|
|
1.0f, 1.0f,
|
|
0.0f, 1.0f
|
|
};
|
|
static const GLfloat projmat_normal[16] = { /* transpose */
|
|
2.0f, 0.0f, 0.0f, 0.0f,
|
|
0.0f, 2.0f, 0.0f, 0.0f,
|
|
0.0f, 0.0f, 1.0f, 0.0f,
|
|
-1.0f, -1.0f, 0.0f, 1.0f
|
|
};
|
|
static const GLfloat projmat_yinvert[16] = { /* transpose */
|
|
2.0f, 0.0f, 0.0f, 0.0f,
|
|
0.0f, -2.0f, 0.0f, 0.0f,
|
|
0.0f, 0.0f, 1.0f, 0.0f,
|
|
-1.0f, 1.0f, 0.0f, 1.0f
|
|
};
|
|
struct gl_shader_config sconf = {
|
|
.view_alpha = 1.0f,
|
|
.input_tex_filter = GL_NEAREST,
|
|
};
|
|
const pixman_format_code_t format = PIXMAN_a8b8g8r8;
|
|
const GLenum gl_format = GL_RGBA; /* PIXMAN_a8b8g8r8 little-endian */
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
struct gl_surface_state *gs;
|
|
struct gl_buffer_state *gb;
|
|
struct weston_buffer *buffer;
|
|
int cw, ch;
|
|
GLuint fbo;
|
|
GLuint tex;
|
|
GLenum status;
|
|
int ret = -1;
|
|
|
|
gs = get_surface_state(surface);
|
|
gb = gs->buffer;
|
|
buffer = gs->buffer_ref.buffer;
|
|
assert(buffer);
|
|
if (buffer->direct_display)
|
|
return -1;
|
|
|
|
cw = buffer->width;
|
|
ch = buffer->height;
|
|
|
|
switch (buffer->type) {
|
|
case WESTON_BUFFER_SOLID:
|
|
*(uint32_t *)target = pack_color(format, gb->color);
|
|
return 0;
|
|
case WESTON_BUFFER_SHM:
|
|
case WESTON_BUFFER_DMABUF:
|
|
case WESTON_BUFFER_RENDERER_OPAQUE:
|
|
break;
|
|
}
|
|
|
|
gl_shader_config_set_input_textures(&sconf, gs);
|
|
|
|
glGenTextures(1, &tex);
|
|
glBindTexture(GL_TEXTURE_2D, tex);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, cw, ch,
|
|
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
|
|
glGenFramebuffers(1, &fbo);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
|
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_TEXTURE_2D, tex, 0);
|
|
|
|
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
|
if (status != GL_FRAMEBUFFER_COMPLETE) {
|
|
weston_log("%s: fbo error: %#x\n", __func__, status);
|
|
goto out;
|
|
}
|
|
|
|
glViewport(0, 0, cw, ch);
|
|
glDisable(GL_BLEND);
|
|
if (buffer->buffer_origin == ORIGIN_TOP_LEFT)
|
|
ARRAY_COPY(sconf.projection.d, projmat_normal);
|
|
else
|
|
ARRAY_COPY(sconf.projection.d, projmat_yinvert);
|
|
sconf.projection.type = WESTON_MATRIX_TRANSFORM_SCALE |
|
|
WESTON_MATRIX_TRANSFORM_TRANSLATE;
|
|
|
|
if (!gl_renderer_use_program(gr, &sconf))
|
|
goto out;
|
|
|
|
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_POSITION);
|
|
glEnableVertexAttribArray(SHADER_ATTRIB_LOC_TEXCOORD);
|
|
glVertexAttribPointer(SHADER_ATTRIB_LOC_POSITION, 2, GL_FLOAT, GL_FALSE,
|
|
0, verts);
|
|
glVertexAttribPointer(SHADER_ATTRIB_LOC_TEXCOORD, 2, GL_FLOAT, GL_FALSE,
|
|
0, verts);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
glDisableVertexAttribArray(SHADER_ATTRIB_LOC_TEXCOORD);
|
|
glDisableVertexAttribArray(SHADER_ATTRIB_LOC_POSITION);
|
|
|
|
glReadPixels(src_x, src_y, width, height, gl_format,
|
|
GL_UNSIGNED_BYTE, target);
|
|
ret = 0;
|
|
|
|
out:
|
|
glDeleteFramebuffers(1, &fbo);
|
|
glDeleteTextures(1, &tex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
surface_state_destroy(struct gl_surface_state *gs, struct gl_renderer *gr)
|
|
{
|
|
wl_list_remove(&gs->surface_destroy_listener.link);
|
|
wl_list_remove(&gs->renderer_destroy_listener.link);
|
|
|
|
gs->surface->renderer_state = NULL;
|
|
|
|
if (gs->buffer && gs->buffer_ref.buffer->type == WESTON_BUFFER_SHM)
|
|
destroy_buffer_state(gs->buffer);
|
|
gs->buffer = NULL;
|
|
|
|
weston_buffer_reference(&gs->buffer_ref, NULL,
|
|
BUFFER_WILL_NOT_BE_ACCESSED);
|
|
weston_buffer_release_reference(&gs->buffer_release_ref, NULL);
|
|
|
|
free(gs);
|
|
}
|
|
|
|
static void
|
|
surface_state_handle_surface_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct gl_surface_state *gs;
|
|
struct gl_renderer *gr;
|
|
|
|
gs = container_of(listener, struct gl_surface_state,
|
|
surface_destroy_listener);
|
|
|
|
gr = get_renderer(gs->surface->compositor);
|
|
|
|
surface_state_destroy(gs, gr);
|
|
}
|
|
|
|
static void
|
|
surface_state_handle_renderer_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct gl_surface_state *gs;
|
|
struct gl_renderer *gr;
|
|
|
|
gr = data;
|
|
|
|
gs = container_of(listener, struct gl_surface_state,
|
|
renderer_destroy_listener);
|
|
|
|
surface_state_destroy(gs, gr);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_surface(struct weston_surface *surface)
|
|
{
|
|
struct gl_surface_state *gs;
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
|
|
gs = zalloc(sizeof *gs);
|
|
if (gs == NULL)
|
|
return -1;
|
|
|
|
/* A buffer is never attached to solid color surfaces, yet
|
|
* they still go through texcoord computations. Do not divide
|
|
* by zero there.
|
|
*/
|
|
gs->surface = surface;
|
|
|
|
surface->renderer_state = gs;
|
|
|
|
gs->surface_destroy_listener.notify =
|
|
surface_state_handle_surface_destroy;
|
|
wl_signal_add(&surface->destroy_signal,
|
|
&gs->surface_destroy_listener);
|
|
|
|
gs->renderer_destroy_listener.notify =
|
|
surface_state_handle_renderer_destroy;
|
|
wl_signal_add(&gr->destroy_signal,
|
|
&gs->renderer_destroy_listener);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
gl_renderer_log_extensions(struct gl_renderer *gr,
|
|
const char *name, const char *extensions)
|
|
{
|
|
const char *p, *end;
|
|
int l;
|
|
int len;
|
|
|
|
if (!weston_log_scope_is_enabled(gr->renderer_scope))
|
|
return;
|
|
|
|
l = weston_log_scope_printf(gr->renderer_scope, "%s:", name);
|
|
p = extensions;
|
|
while (*p) {
|
|
end = strchrnul(p, ' ');
|
|
len = end - p;
|
|
if (l + len > 78) {
|
|
l = weston_log_scope_printf(gr->renderer_scope,
|
|
"\n %.*s", len, p);
|
|
} else {
|
|
l += weston_log_scope_printf(gr->renderer_scope,
|
|
" %.*s", len, p);
|
|
}
|
|
for (p = end; isspace(*p); p++)
|
|
;
|
|
}
|
|
weston_log_scope_printf(gr->renderer_scope, "\n");
|
|
}
|
|
|
|
static void
|
|
log_egl_info(struct gl_renderer *gr, EGLDisplay egldpy)
|
|
{
|
|
const char *str;
|
|
|
|
str = eglQueryString(egldpy, EGL_VERSION);
|
|
weston_log("EGL version: %s\n", str ? str : "(null)");
|
|
|
|
str = eglQueryString(egldpy, EGL_VENDOR);
|
|
weston_log("EGL vendor: %s\n", str ? str : "(null)");
|
|
|
|
str = eglQueryString(egldpy, EGL_CLIENT_APIS);
|
|
weston_log("EGL client APIs: %s\n", str ? str : "(null)");
|
|
|
|
str = eglQueryString(egldpy, EGL_EXTENSIONS);
|
|
gl_renderer_log_extensions(gr, "EGL extensions", str ? str : "(null)");
|
|
}
|
|
|
|
static void
|
|
log_gl_info(struct gl_renderer *gr)
|
|
{
|
|
const char *str;
|
|
|
|
str = (char *)glGetString(GL_VERSION);
|
|
weston_log("GL version: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_SHADING_LANGUAGE_VERSION);
|
|
weston_log("GLSL version: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_VENDOR);
|
|
weston_log("GL vendor: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_RENDERER);
|
|
weston_log("GL renderer: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_EXTENSIONS);
|
|
gl_renderer_log_extensions(gr, "GL extensions", str ? str : "(null)");
|
|
}
|
|
|
|
static void
|
|
gl_renderer_output_set_border(struct weston_output *output,
|
|
enum gl_renderer_border_side side,
|
|
int32_t width, int32_t height,
|
|
int32_t tex_width, unsigned char *data)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
if (go->borders[side].width != width ||
|
|
go->borders[side].height != height)
|
|
/* In this case, we have to blow everything and do a full
|
|
* repaint. */
|
|
go->border_status |= BORDER_SIZE_CHANGED | BORDER_ALL_DIRTY;
|
|
|
|
if (data == NULL) {
|
|
width = 0;
|
|
height = 0;
|
|
}
|
|
|
|
go->borders[side].width = width;
|
|
go->borders[side].height = height;
|
|
go->borders[side].tex_width = tex_width;
|
|
go->borders[side].data = data;
|
|
go->border_status |= 1 << side;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_remove_renderbuffer(struct gl_renderbuffer *renderbuffer)
|
|
{
|
|
wl_list_remove(&renderbuffer->link);
|
|
weston_renderbuffer_unref(&renderbuffer->base);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_remove_renderbuffers(struct gl_output_state *go)
|
|
{
|
|
struct gl_renderbuffer *renderbuffer, *tmp;
|
|
|
|
wl_list_for_each_safe(renderbuffer, tmp, &go->renderbuffer_list, link)
|
|
gl_renderer_remove_renderbuffer(renderbuffer);
|
|
}
|
|
|
|
static bool
|
|
gl_renderer_resize_output(struct weston_output *output,
|
|
const struct weston_size *fb_size,
|
|
const struct weston_geometry *area)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_output_state *go = get_output_state(output);
|
|
const struct pixel_format_info *shfmt = go->shadow_format;
|
|
bool ret;
|
|
|
|
check_compositing_area(fb_size, area);
|
|
|
|
gl_renderer_remove_renderbuffers(go);
|
|
|
|
go->fb_size = *fb_size;
|
|
go->area = *area;
|
|
gr->wireframe_dirty = true;
|
|
|
|
weston_output_update_capture_info(output,
|
|
WESTON_OUTPUT_CAPTURE_SOURCE_FRAMEBUFFER,
|
|
area->width, area->height,
|
|
output->compositor->read_format);
|
|
|
|
weston_output_update_capture_info(output,
|
|
WESTON_OUTPUT_CAPTURE_SOURCE_FULL_FRAMEBUFFER,
|
|
fb_size->width, fb_size->height,
|
|
output->compositor->read_format);
|
|
|
|
if (!shfmt)
|
|
return true;
|
|
|
|
if (shadow_exists(go))
|
|
gl_fbo_texture_fini(&go->shadow);
|
|
|
|
ret = gl_fbo_texture_init(&go->shadow, area->width, area->height,
|
|
shfmt->gl_format, GL_RGBA, shfmt->gl_type);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_setup(struct weston_compositor *ec);
|
|
|
|
static EGLSurface
|
|
gl_renderer_create_window_surface(struct gl_renderer *gr,
|
|
EGLNativeWindowType window_for_legacy,
|
|
void *window_for_platform,
|
|
const struct pixel_format_info *const *formats,
|
|
unsigned formats_count)
|
|
{
|
|
EGLSurface egl_surface = EGL_NO_SURFACE;
|
|
EGLConfig egl_config;
|
|
|
|
egl_config = gl_renderer_get_egl_config(gr, EGL_WINDOW_BIT,
|
|
formats, formats_count);
|
|
if (egl_config == EGL_NO_CONFIG_KHR)
|
|
return EGL_NO_SURFACE;
|
|
|
|
log_egl_config_info(gr->egl_display, egl_config);
|
|
|
|
if (gr->create_platform_window)
|
|
egl_surface = gr->create_platform_window(gr->egl_display,
|
|
egl_config,
|
|
window_for_platform,
|
|
NULL);
|
|
else
|
|
egl_surface = eglCreateWindowSurface(gr->egl_display,
|
|
egl_config,
|
|
window_for_legacy, NULL);
|
|
|
|
return egl_surface;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_output_create(struct weston_output *output,
|
|
EGLSurface surface,
|
|
const struct weston_size *fb_size,
|
|
const struct weston_geometry *area)
|
|
{
|
|
struct gl_output_state *go;
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
const struct weston_testsuite_quirks *quirks;
|
|
|
|
quirks = &output->compositor->test_data.test_quirks;
|
|
|
|
go = zalloc(sizeof *go);
|
|
if (go == NULL)
|
|
return -1;
|
|
|
|
go->egl_surface = surface;
|
|
go->y_flip = surface == EGL_NO_SURFACE ? 1.0f : -1.0f;
|
|
|
|
if (gr->has_disjoint_timer_query)
|
|
gr->gen_queries(1, &go->render_query);
|
|
|
|
wl_list_init(&go->timeline_render_point_list);
|
|
|
|
go->render_sync = EGL_NO_SYNC_KHR;
|
|
|
|
if ((output->color_outcome->from_blend_to_output != NULL &&
|
|
output->from_blend_to_output_by_backend == false) ||
|
|
quirks->gl_force_full_redraw_of_shadow_fb) {
|
|
assert(gr->gl_supports_color_transforms);
|
|
|
|
go->shadow_format =
|
|
pixel_format_get_info(DRM_FORMAT_ABGR16161616F);
|
|
}
|
|
|
|
wl_list_init(&go->renderbuffer_list);
|
|
|
|
output->renderer_state = go;
|
|
|
|
if (!gl_renderer_resize_output(output, fb_size, area)) {
|
|
weston_log("Output %s failed to create 16F shadow.\n",
|
|
output->name);
|
|
output->renderer_state = NULL;
|
|
free(go);
|
|
return -1;
|
|
}
|
|
|
|
if (shadow_exists(go)) {
|
|
weston_log("Output %s uses 16F shadow.\n",
|
|
output->name);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_output_window_create(struct weston_output *output,
|
|
const struct gl_renderer_output_options *options)
|
|
{
|
|
struct weston_compositor *ec = output->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
EGLSurface egl_surface = EGL_NO_SURFACE;
|
|
int ret;
|
|
|
|
egl_surface = gl_renderer_create_window_surface(gr,
|
|
options->window_for_legacy,
|
|
options->window_for_platform,
|
|
options->formats,
|
|
options->formats_count);
|
|
if (egl_surface == EGL_NO_SURFACE) {
|
|
weston_log("failed to create egl surface\n");
|
|
return -1;
|
|
}
|
|
|
|
ret = gl_renderer_output_create(output, egl_surface,
|
|
&options->fb_size, &options->area);
|
|
if (ret < 0)
|
|
weston_platform_destroy_egl_surface(gr->egl_display, egl_surface);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_output_fbo_create(struct weston_output *output,
|
|
const struct gl_renderer_fbo_options *options)
|
|
{
|
|
return gl_renderer_output_create(output, EGL_NO_SURFACE,
|
|
&options->fb_size, &options->area);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_dmabuf_renderbuffer_destroy(struct weston_renderbuffer *renderbuffer)
|
|
{
|
|
struct gl_renderbuffer *gl_renderbuffer = to_gl_renderbuffer(renderbuffer);
|
|
struct dmabuf_renderbuffer *dmabuf_renderbuffer = to_dmabuf_renderbuffer(gl_renderbuffer);
|
|
struct gl_renderer *gr = dmabuf_renderbuffer->gr;
|
|
|
|
glDeleteFramebuffers(1, &gl_renderbuffer->fbo);
|
|
glDeleteRenderbuffers(1, &gl_renderbuffer->rb);
|
|
pixman_region32_fini(&gl_renderbuffer->base.damage);
|
|
|
|
gr->destroy_image(gr->egl_display, dmabuf_renderbuffer->image);
|
|
|
|
/* Destroy the owned dmabuf */
|
|
dmabuf_renderbuffer->dmabuf->destroy(dmabuf_renderbuffer->dmabuf);
|
|
|
|
free(dmabuf_renderbuffer);
|
|
}
|
|
|
|
static struct weston_renderbuffer *
|
|
gl_renderer_create_renderbuffer_dmabuf(struct weston_output *output,
|
|
struct linux_dmabuf_memory *dmabuf)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct dmabuf_attributes *attributes = dmabuf->attributes;
|
|
struct dmabuf_renderbuffer *rb;
|
|
struct gl_renderbuffer *renderbuffer;
|
|
int fb_status;
|
|
|
|
rb = xzalloc(sizeof(*rb));
|
|
renderbuffer = &rb->base;
|
|
|
|
rb->image = import_simple_dmabuf(gr, attributes);
|
|
if (rb->image == EGL_NO_IMAGE_KHR) {
|
|
weston_log("Failed to import dmabuf renderbuffer\n");
|
|
free(rb);
|
|
return NULL;
|
|
}
|
|
|
|
glGenFramebuffers(1, &renderbuffer->fbo);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, renderbuffer->fbo);
|
|
|
|
glGenRenderbuffers(1, &renderbuffer->rb);
|
|
glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer->rb);
|
|
gr->image_target_renderbuffer_storage(GL_RENDERBUFFER, rb->image);
|
|
if (glGetError() == GL_INVALID_OPERATION) {
|
|
weston_log("Failed to create renderbuffer\n");
|
|
glBindRenderbuffer(GL_RENDERBUFFER, 0);
|
|
glDeleteRenderbuffers(1, &renderbuffer->rb);
|
|
gr->destroy_image(gr->egl_display, rb->image);
|
|
free(rb);
|
|
return NULL;
|
|
}
|
|
|
|
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_RENDERBUFFER, renderbuffer->rb);
|
|
|
|
fb_status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
|
glBindRenderbuffer(GL_RENDERBUFFER, 0);
|
|
if (fb_status != GL_FRAMEBUFFER_COMPLETE) {
|
|
weston_log("failed to bind renderbuffer to fbo\n");
|
|
glDeleteFramebuffers(1, &renderbuffer->fbo);
|
|
glDeleteRenderbuffers(1, &renderbuffer->rb);
|
|
gr->destroy_image(gr->egl_display, rb->image);
|
|
free(rb);
|
|
return NULL;
|
|
}
|
|
|
|
rb->gr = gr;
|
|
rb->dmabuf = dmabuf;
|
|
|
|
pixman_region32_init(&rb->base.base.damage);
|
|
/*
|
|
* One reference is kept on the renderbuffer_list,
|
|
* the other is returned to the calling backend.
|
|
*/
|
|
rb->base.base.refcount = 2;
|
|
rb->base.base.destroy = gl_renderer_dmabuf_renderbuffer_destroy;
|
|
wl_list_insert(&go->renderbuffer_list, &rb->base.link);
|
|
|
|
return &rb->base.base;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_remove_renderbuffer_dmabuf(struct weston_output *output,
|
|
struct weston_renderbuffer *renderbuffer)
|
|
{
|
|
struct gl_renderbuffer *gl_renderbuffer = to_gl_renderbuffer(renderbuffer);
|
|
|
|
gl_renderer_remove_renderbuffer(gl_renderbuffer);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_dmabuf_destroy(struct linux_dmabuf_memory *dmabuf)
|
|
{
|
|
struct gl_renderer_dmabuf_memory *gl_renderer_dmabuf;
|
|
struct dmabuf_attributes *attributes;
|
|
int i;
|
|
|
|
gl_renderer_dmabuf = (struct gl_renderer_dmabuf_memory *)dmabuf;
|
|
|
|
attributes = dmabuf->attributes;
|
|
for (i = 0; i < attributes->n_planes; ++i)
|
|
close(attributes->fd[i]);
|
|
free(dmabuf->attributes);
|
|
|
|
gbm_bo_destroy(gl_renderer_dmabuf->bo);
|
|
free(gl_renderer_dmabuf);
|
|
}
|
|
|
|
static struct linux_dmabuf_memory *
|
|
gl_renderer_dmabuf_alloc(struct weston_renderer *renderer,
|
|
unsigned int width, unsigned int height,
|
|
uint32_t format,
|
|
const uint64_t *modifiers, const unsigned int count)
|
|
{
|
|
struct gl_renderer *gr = (struct gl_renderer *)renderer;
|
|
struct dmabuf_allocator *allocator = gr->allocator;
|
|
struct gl_renderer_dmabuf_memory *gl_renderer_dmabuf;
|
|
struct linux_dmabuf_memory *dmabuf;
|
|
struct dmabuf_attributes *attributes;
|
|
struct gbm_bo *bo;
|
|
int i;
|
|
|
|
if (!allocator)
|
|
return NULL;
|
|
|
|
#ifdef HAVE_GBM_BO_CREATE_WITH_MODIFIERS2
|
|
bo = gbm_bo_create_with_modifiers2(allocator->gbm_device,
|
|
width, height, format,
|
|
modifiers, count,
|
|
GBM_BO_USE_RENDERING);
|
|
#else
|
|
bo = gbm_bo_create_with_modifiers(allocator->gbm_device,
|
|
width, height, format,
|
|
modifiers, count);
|
|
#endif
|
|
if (!bo)
|
|
bo = gbm_bo_create(allocator->gbm_device,
|
|
width, height, format,
|
|
GBM_BO_USE_RENDERING | GBM_BO_USE_LINEAR);
|
|
if (!bo) {
|
|
weston_log("failed to create gbm_bo\n");
|
|
return NULL;
|
|
}
|
|
|
|
gl_renderer_dmabuf = xzalloc(sizeof(*gl_renderer_dmabuf));
|
|
gl_renderer_dmabuf->bo = bo;
|
|
gl_renderer_dmabuf->allocator = allocator;
|
|
|
|
attributes = xzalloc(sizeof(*attributes));
|
|
attributes->width = width;
|
|
attributes->height = height;
|
|
attributes->format = format;
|
|
attributes->n_planes = gbm_bo_get_plane_count(bo);
|
|
for (i = 0; i < attributes->n_planes; ++i) {
|
|
attributes->fd[i] = gbm_bo_get_fd(bo);
|
|
attributes->stride[i] = gbm_bo_get_stride_for_plane(bo, i);
|
|
attributes->offset[i] = gbm_bo_get_offset(bo, i);
|
|
}
|
|
attributes->modifier = gbm_bo_get_modifier(bo);
|
|
|
|
dmabuf = &gl_renderer_dmabuf->base;
|
|
dmabuf->attributes = attributes;
|
|
dmabuf->destroy = gl_renderer_dmabuf_destroy;
|
|
|
|
return dmabuf;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_output_destroy(struct weston_output *output)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct timeline_render_point *trp, *tmp;
|
|
|
|
if (shadow_exists(go))
|
|
gl_fbo_texture_fini(&go->shadow);
|
|
|
|
eglMakeCurrent(gr->egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE,
|
|
gr->egl_context);
|
|
|
|
weston_platform_destroy_egl_surface(gr->egl_display, go->egl_surface);
|
|
|
|
if (!wl_list_empty(&go->timeline_render_point_list))
|
|
weston_log("warning: discarding pending timeline render"
|
|
"objects at output destruction");
|
|
|
|
if (gr->has_disjoint_timer_query)
|
|
gr->delete_queries(1, &go->render_query);
|
|
|
|
wl_list_for_each_safe(trp, tmp, &go->timeline_render_point_list, link)
|
|
timeline_render_point_destroy(trp);
|
|
|
|
if (go->render_sync != EGL_NO_SYNC_KHR)
|
|
gr->destroy_sync(gr->egl_display, go->render_sync);
|
|
|
|
gl_renderer_remove_renderbuffers(go);
|
|
|
|
free(go);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_fence_fd(struct weston_output *output)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
int fd;
|
|
|
|
if (go->render_sync == EGL_NO_SYNC_KHR)
|
|
return -1;
|
|
|
|
fd = gr->dup_native_fence_fd(gr->egl_display, go->render_sync);
|
|
if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID)
|
|
return -1;
|
|
|
|
return fd;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_allocator_destroy(struct dmabuf_allocator *allocator)
|
|
{
|
|
if (!allocator)
|
|
return;
|
|
|
|
if (allocator->gbm_device && allocator->has_own_device)
|
|
gbm_device_destroy(allocator->gbm_device);
|
|
|
|
free(allocator);
|
|
}
|
|
|
|
static struct dmabuf_allocator *
|
|
gl_renderer_allocator_create(struct gl_renderer *gr,
|
|
const struct gl_renderer_display_options * options)
|
|
{
|
|
struct dmabuf_allocator *allocator;
|
|
struct gbm_device *gbm = NULL;
|
|
bool has_own_device = false;
|
|
|
|
if (options->egl_platform == EGL_PLATFORM_GBM_KHR)
|
|
gbm = options->egl_native_display;
|
|
if (!gbm && gr->drm_device) {
|
|
int fd = open(gr->drm_device, O_RDWR);
|
|
gbm = gbm_create_device(fd);
|
|
has_own_device = true;
|
|
}
|
|
if (!gbm)
|
|
return NULL;
|
|
|
|
allocator = xzalloc(sizeof(*allocator));
|
|
allocator->gbm_device = gbm;
|
|
allocator->has_own_device = has_own_device;
|
|
|
|
return allocator;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_destroy(struct weston_compositor *ec)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct dmabuf_format *format, *next_format;
|
|
struct gl_capture_task *gl_task, *tmp;
|
|
|
|
wl_signal_emit(&gr->destroy_signal, gr);
|
|
|
|
if (gr->has_bind_display)
|
|
gr->unbind_display(gr->egl_display, ec->wl_display);
|
|
|
|
wl_list_for_each_safe(gl_task, tmp, &gr->pending_capture_list, link)
|
|
destroy_capture_task(gl_task);
|
|
|
|
gl_renderer_shader_list_destroy(gr);
|
|
if (gr->fallback_shader)
|
|
gl_shader_destroy(gr, gr->fallback_shader);
|
|
|
|
if (gr->wireframe_size)
|
|
glDeleteTextures(1, &gr->wireframe_tex);
|
|
|
|
/* Work around crash in egl_dri2.c's dri2_make_current() - when does this apply? */
|
|
eglMakeCurrent(gr->egl_display,
|
|
EGL_NO_SURFACE, EGL_NO_SURFACE,
|
|
EGL_NO_CONTEXT);
|
|
|
|
wl_list_for_each_safe(format, next_format, &gr->dmabuf_formats, link)
|
|
dmabuf_format_destroy(format);
|
|
|
|
weston_drm_format_array_fini(&gr->supported_formats);
|
|
|
|
gl_renderer_allocator_destroy(gr->allocator);
|
|
|
|
eglTerminate(gr->egl_display);
|
|
eglReleaseThread();
|
|
|
|
wl_array_release(&gr->position_stream);
|
|
wl_array_release(&gr->barycentric_stream);
|
|
wl_array_release(&gr->indices);
|
|
|
|
if (gr->debug_mode_binding)
|
|
weston_binding_destroy(gr->debug_mode_binding);
|
|
|
|
weston_log_scope_destroy(gr->shader_scope);
|
|
weston_log_scope_destroy(gr->renderer_scope);
|
|
free(gr);
|
|
ec->renderer = NULL;
|
|
}
|
|
|
|
static int
|
|
create_default_dmabuf_feedback(struct weston_compositor *ec,
|
|
struct gl_renderer *gr)
|
|
{
|
|
struct stat dev_stat;
|
|
struct weston_dmabuf_feedback_tranche *tranche;
|
|
uint32_t flags = 0;
|
|
|
|
if (stat(gr->drm_device, &dev_stat) != 0) {
|
|
weston_log("%s: device disappeared, so we can't recover\n", __func__);
|
|
abort();
|
|
}
|
|
|
|
ec->default_dmabuf_feedback =
|
|
weston_dmabuf_feedback_create(dev_stat.st_rdev);
|
|
if (!ec->default_dmabuf_feedback)
|
|
return -1;
|
|
|
|
tranche =
|
|
weston_dmabuf_feedback_tranche_create(ec->default_dmabuf_feedback,
|
|
ec->dmabuf_feedback_format_table,
|
|
dev_stat.st_rdev, flags,
|
|
RENDERER_PREF);
|
|
if (!tranche) {
|
|
weston_dmabuf_feedback_destroy(ec->default_dmabuf_feedback);
|
|
ec->default_dmabuf_feedback = NULL;
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_display_create(struct weston_compositor *ec,
|
|
const struct gl_renderer_display_options *options)
|
|
{
|
|
struct gl_renderer *gr;
|
|
int ret;
|
|
|
|
gr = zalloc(sizeof *gr);
|
|
if (gr == NULL)
|
|
return -1;
|
|
|
|
gr->compositor = ec;
|
|
wl_list_init(&gr->shader_list);
|
|
gr->platform = options->egl_platform;
|
|
|
|
gr->renderer_scope = weston_compositor_add_log_scope(ec, "gl-renderer",
|
|
"GL-renderer verbose messages\n", NULL, NULL, gr);
|
|
if (!gr->renderer_scope)
|
|
goto fail;
|
|
|
|
gr->shader_scope = gl_shader_scope_create(gr);
|
|
if (!gr->shader_scope)
|
|
goto fail;
|
|
|
|
if (gl_renderer_setup_egl_client_extensions(gr) < 0)
|
|
goto fail;
|
|
|
|
gr->base.read_pixels = gl_renderer_read_pixels;
|
|
gr->base.repaint_output = gl_renderer_repaint_output;
|
|
gr->base.resize_output = gl_renderer_resize_output;
|
|
gr->base.flush_damage = gl_renderer_flush_damage;
|
|
gr->base.attach = gl_renderer_attach;
|
|
gr->base.destroy = gl_renderer_destroy;
|
|
gr->base.surface_copy_content = gl_renderer_surface_copy_content;
|
|
gr->base.fill_buffer_info = gl_renderer_fill_buffer_info;
|
|
gr->base.buffer_init = gl_renderer_buffer_init;
|
|
gr->base.type = WESTON_RENDERER_GL;
|
|
|
|
if (gl_renderer_setup_egl_display(gr, options->egl_native_display) < 0)
|
|
goto fail;
|
|
|
|
gr->allocator = gl_renderer_allocator_create(gr, options);
|
|
if (!gr->allocator)
|
|
weston_log("failed to initialize allocator\n");
|
|
|
|
weston_drm_format_array_init(&gr->supported_formats);
|
|
|
|
log_egl_info(gr, gr->egl_display);
|
|
|
|
ec->renderer = &gr->base;
|
|
|
|
if (gl_renderer_setup_egl_extensions(ec) < 0)
|
|
goto fail_with_error;
|
|
|
|
if (!gr->has_surfaceless_context)
|
|
goto fail_terminate;
|
|
|
|
if (!gr->has_configless_context) {
|
|
EGLint egl_surface_type = options->egl_surface_type;
|
|
|
|
if (!gr->has_surfaceless_context)
|
|
egl_surface_type |= EGL_PBUFFER_BIT;
|
|
|
|
gr->egl_config =
|
|
gl_renderer_get_egl_config(gr,
|
|
egl_surface_type,
|
|
options->formats,
|
|
options->formats_count);
|
|
if (gr->egl_config == EGL_NO_CONFIG_KHR) {
|
|
weston_log("failed to choose EGL config\n");
|
|
goto fail_terminate;
|
|
}
|
|
}
|
|
|
|
ec->capabilities |= WESTON_CAP_ROTATION_ANY;
|
|
ec->capabilities |= WESTON_CAP_CAPTURE_YFLIP;
|
|
ec->capabilities |= WESTON_CAP_VIEW_CLIP_MASK;
|
|
if (gr->has_native_fence_sync && gr->has_wait_sync)
|
|
ec->capabilities |= WESTON_CAP_EXPLICIT_SYNC;
|
|
|
|
if (gr->allocator)
|
|
gr->base.dmabuf_alloc = gl_renderer_dmabuf_alloc;
|
|
|
|
if (gr->has_dmabuf_import) {
|
|
gr->base.import_dmabuf = gl_renderer_import_dmabuf;
|
|
gr->base.get_supported_formats = gl_renderer_get_supported_formats;
|
|
gr->base.create_renderbuffer_dmabuf = gl_renderer_create_renderbuffer_dmabuf;
|
|
gr->base.remove_renderbuffer_dmabuf = gl_renderer_remove_renderbuffer_dmabuf;
|
|
ret = populate_supported_formats(ec, &gr->supported_formats);
|
|
if (ret < 0)
|
|
goto fail_terminate;
|
|
if (gr->drm_device) {
|
|
/* We support dma-buf feedback only when the renderer
|
|
* exposes a DRM-device */
|
|
ec->dmabuf_feedback_format_table =
|
|
weston_dmabuf_feedback_format_table_create(&gr->supported_formats);
|
|
if (!ec->dmabuf_feedback_format_table)
|
|
goto fail_terminate;
|
|
ret = create_default_dmabuf_feedback(ec, gr);
|
|
if (ret < 0)
|
|
goto fail_feedback;
|
|
}
|
|
}
|
|
wl_list_init(&gr->dmabuf_formats);
|
|
|
|
wl_signal_init(&gr->destroy_signal);
|
|
|
|
if (gl_renderer_setup(ec) < 0)
|
|
goto fail_with_error;
|
|
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_XBGR8888);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_ABGR8888);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_RGBX8888);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_RGBA8888);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_BGRX8888);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_BGRA8888);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_RGB888);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_BGR888);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_RGB565);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_YUV420);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_YUV444);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_NV12);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_NV16);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_NV24);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_YUYV);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_XYUV8888);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_ABGR8888);
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
if (gr->has_texture_type_2_10_10_10_rev) {
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_ABGR2101010);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_XBGR2101010);
|
|
}
|
|
if (gr->gl_supports_color_transforms) {
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_ABGR16161616F);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_XBGR16161616F);
|
|
}
|
|
if (gr->has_texture_norm16) {
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_ABGR16161616);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_XBGR16161616);
|
|
}
|
|
#endif
|
|
|
|
if (gr->gl_supports_color_transforms)
|
|
ec->capabilities |= WESTON_CAP_COLOR_OPS;
|
|
|
|
return 0;
|
|
|
|
fail_with_error:
|
|
gl_renderer_print_egl_error_state();
|
|
if (gr->drm_device) {
|
|
weston_dmabuf_feedback_destroy(ec->default_dmabuf_feedback);
|
|
ec->default_dmabuf_feedback = NULL;
|
|
}
|
|
fail_feedback:
|
|
if (gr->drm_device) {
|
|
weston_dmabuf_feedback_format_table_destroy(ec->dmabuf_feedback_format_table);
|
|
ec->dmabuf_feedback_format_table = NULL;
|
|
}
|
|
fail_terminate:
|
|
weston_drm_format_array_fini(&gr->supported_formats);
|
|
eglTerminate(gr->egl_display);
|
|
fail:
|
|
weston_log_scope_destroy(gr->shader_scope);
|
|
weston_log_scope_destroy(gr->renderer_scope);
|
|
free(gr);
|
|
ec->renderer = NULL;
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
debug_mode_binding(struct weston_keyboard *keyboard,
|
|
const struct timespec *time,
|
|
uint32_t key, void *data)
|
|
{
|
|
struct weston_compositor *compositor = data;
|
|
struct gl_renderer *gr = get_renderer(compositor);
|
|
int mode;
|
|
|
|
mode = (gr->debug_mode + 1) % DEBUG_MODE_LAST;
|
|
gr->debug_mode = mode;
|
|
gr->debug_clear = mode == DEBUG_MODE_WIREFRAME ||
|
|
mode == DEBUG_MODE_BATCHES ||
|
|
mode == DEBUG_MODE_DAMAGE ||
|
|
mode == DEBUG_MODE_OPAQUE;
|
|
gr->wireframe_dirty = mode == DEBUG_MODE_WIREFRAME;
|
|
|
|
weston_compositor_damage_all(compositor);
|
|
}
|
|
|
|
static uint32_t
|
|
get_gl_version(void)
|
|
{
|
|
const char *version;
|
|
int major, minor;
|
|
|
|
version = (const char *) glGetString(GL_VERSION);
|
|
if (version &&
|
|
(sscanf(version, "%d.%d", &major, &minor) == 2 ||
|
|
sscanf(version, "OpenGL ES %d.%d", &major, &minor) == 2) &&
|
|
major > 0 && minor >= 0) {
|
|
return gr_gl_version(major, minor);
|
|
}
|
|
|
|
weston_log("warning: failed to detect GLES version, defaulting to 2.0.\n");
|
|
return gr_gl_version(2, 0);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_setup(struct weston_compositor *ec)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
const char *extensions;
|
|
EGLBoolean ret;
|
|
|
|
EGLint context_attribs[16] = {
|
|
EGL_CONTEXT_CLIENT_VERSION, 0,
|
|
};
|
|
unsigned int nattr = 2;
|
|
|
|
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
|
|
weston_log("failed to bind EGL_OPENGL_ES_API\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Being the compositor we require minimum output latency,
|
|
* so request a high priority context for ourselves - that should
|
|
* reschedule all of our rendering and its dependencies to be completed
|
|
* first. If the driver doesn't permit us to create a high priority
|
|
* context, it will fallback to the default priority (MEDIUM).
|
|
*/
|
|
if (gr->has_context_priority) {
|
|
context_attribs[nattr++] = EGL_CONTEXT_PRIORITY_LEVEL_IMG;
|
|
context_attribs[nattr++] = EGL_CONTEXT_PRIORITY_HIGH_IMG;
|
|
}
|
|
|
|
assert(nattr < ARRAY_LENGTH(context_attribs));
|
|
context_attribs[nattr] = EGL_NONE;
|
|
|
|
/* try to create an OpenGLES 3 context first */
|
|
context_attribs[1] = 3;
|
|
gr->egl_context = eglCreateContext(gr->egl_display, gr->egl_config,
|
|
EGL_NO_CONTEXT, context_attribs);
|
|
if (gr->egl_context == NULL) {
|
|
/* and then fallback to OpenGLES 2 */
|
|
context_attribs[1] = 2;
|
|
gr->egl_context = eglCreateContext(gr->egl_display,
|
|
gr->egl_config,
|
|
EGL_NO_CONTEXT,
|
|
context_attribs);
|
|
if (gr->egl_context == NULL) {
|
|
weston_log("failed to create context\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (gr->has_context_priority) {
|
|
EGLint value = EGL_CONTEXT_PRIORITY_MEDIUM_IMG;
|
|
|
|
eglQueryContext(gr->egl_display, gr->egl_context,
|
|
EGL_CONTEXT_PRIORITY_LEVEL_IMG, &value);
|
|
|
|
if (value != EGL_CONTEXT_PRIORITY_HIGH_IMG) {
|
|
weston_log("Failed to obtain a high priority context.\n");
|
|
/* Not an error, continue on as normal */
|
|
}
|
|
}
|
|
|
|
ret = eglMakeCurrent(gr->egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE,
|
|
gr->egl_context);
|
|
if (ret == EGL_FALSE) {
|
|
weston_log("Failed to make EGL context current.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
gr->gl_version = get_gl_version();
|
|
log_gl_info(gr);
|
|
|
|
gr->image_target_texture_2d =
|
|
(void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
|
|
|
|
gr->image_target_renderbuffer_storage =
|
|
(void *)eglGetProcAddress("glEGLImageTargetRenderbufferStorageOES");
|
|
|
|
extensions = (const char *) glGetString(GL_EXTENSIONS);
|
|
if (!extensions) {
|
|
weston_log("Retrieving GL extension string failed.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!weston_check_egl_extension(extensions, "GL_EXT_texture_format_BGRA8888")) {
|
|
weston_log("GL_EXT_texture_format_BGRA8888 not available\n");
|
|
return -1;
|
|
}
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_EXT_read_format_bgra"))
|
|
ec->read_format = pixel_format_get_info(DRM_FORMAT_ARGB8888);
|
|
else
|
|
ec->read_format = pixel_format_get_info(DRM_FORMAT_ABGR8888);
|
|
|
|
if (gr->gl_version < gr_gl_version(3, 0) &&
|
|
!weston_check_egl_extension(extensions, "GL_EXT_unpack_subimage")) {
|
|
weston_log("GL_EXT_unpack_subimage not available.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (gr->gl_version >= gr_gl_version(3, 0) ||
|
|
weston_check_egl_extension(extensions, "GL_EXT_texture_type_2_10_10_10_REV"))
|
|
gr->has_texture_type_2_10_10_10_rev = true;
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_EXT_texture_norm16"))
|
|
gr->has_texture_norm16 = true;
|
|
|
|
if (gr->gl_version >= gr_gl_version(3, 0) ||
|
|
weston_check_egl_extension(extensions, "GL_EXT_texture_storage"))
|
|
gr->has_texture_storage = true;
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_ANGLE_pack_reverse_row_order"))
|
|
gr->has_pack_reverse = true;
|
|
|
|
if (gr->gl_version >= gr_gl_version(3, 0) ||
|
|
weston_check_egl_extension(extensions, "GL_EXT_texture_rg"))
|
|
gr->has_gl_texture_rg = true;
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_OES_EGL_image_external"))
|
|
gr->has_egl_image_external = true;
|
|
|
|
if (gr->gl_version >= gr_gl_version(3, 0) ||
|
|
weston_check_egl_extension(extensions, "GL_OES_rgb8_rgba8"))
|
|
gr->has_rgb8_rgba8 = true;
|
|
|
|
if (gr->gl_version >= gr_gl_version(3, 0)) {
|
|
gr->map_buffer_range = (void *) eglGetProcAddress("glMapBufferRange");
|
|
gr->unmap_buffer = (void *) eglGetProcAddress("glUnmapBuffer");
|
|
assert(gr->map_buffer_range);
|
|
assert(gr->unmap_buffer);
|
|
gr->pbo_usage = GL_STREAM_READ;
|
|
gr->has_pbo = true;
|
|
} else if (gr->gl_version >= gr_gl_version(2, 0) &&
|
|
weston_check_egl_extension(extensions, "GL_NV_pixel_buffer_object") &&
|
|
weston_check_egl_extension(extensions, "GL_EXT_map_buffer_range") &&
|
|
weston_check_egl_extension(extensions, "GL_OES_mapbuffer")) {
|
|
gr->map_buffer_range = (void *) eglGetProcAddress("glMapBufferRangeEXT");
|
|
gr->unmap_buffer = (void *) eglGetProcAddress("glUnmapBufferOES");
|
|
assert(gr->map_buffer_range);
|
|
assert(gr->unmap_buffer);
|
|
/* Reading isn't exposed to BufferData() on ES 2.0 and
|
|
* NV_pixel_buffer_object mentions that "glMapBufferOES does not
|
|
* allow reading from the mapped pointer". EXT_map_buffer_range
|
|
* (which depends on OES_mapbuffer) adds read access support to
|
|
* MapBufferRangeEXT() without extending BufferData() so we
|
|
* create a PBO with a write usage hint that ends up being
|
|
* mapped with a read access. Even though that sounds incorrect,
|
|
* EXT_map_buffer_range provides examples doing so. Mesa
|
|
* actually ignores PBOs' usage hint assuming read access. */
|
|
gr->pbo_usage = GL_STREAM_DRAW;
|
|
gr->has_pbo = true;
|
|
}
|
|
|
|
wl_list_init(&gr->pending_capture_list);
|
|
|
|
if (gr->gl_version >= gr_gl_version(3, 0) &&
|
|
weston_check_egl_extension(extensions, "GL_OES_texture_float_linear") &&
|
|
weston_check_egl_extension(extensions, "GL_EXT_color_buffer_half_float") &&
|
|
weston_check_egl_extension(extensions, "GL_OES_texture_3D")) {
|
|
gr->gl_supports_color_transforms = true;
|
|
gr->tex_image_3d = (void *) eglGetProcAddress("glTexImage3D");
|
|
assert(gr->tex_image_3d);
|
|
}
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_EXT_disjoint_timer_query")) {
|
|
PFNGLGETQUERYIVEXTPROC get_query_iv =
|
|
(void *) eglGetProcAddress("glGetQueryivEXT");
|
|
int elapsed_bits;
|
|
|
|
assert(get_query_iv);
|
|
get_query_iv(GL_TIME_ELAPSED_EXT, GL_QUERY_COUNTER_BITS_EXT,
|
|
&elapsed_bits);
|
|
if (elapsed_bits != 0) {
|
|
gr->gen_queries =
|
|
(void *) eglGetProcAddress("glGenQueriesEXT");
|
|
gr->delete_queries =
|
|
(void *) eglGetProcAddress("glDeleteQueriesEXT");
|
|
gr->begin_query = (void *) eglGetProcAddress("glBeginQueryEXT");
|
|
gr->end_query = (void *) eglGetProcAddress("glEndQueryEXT");
|
|
#if !defined(NDEBUG)
|
|
gr->get_query_object_iv =
|
|
(void *) eglGetProcAddress("glGetQueryObjectivEXT");
|
|
#endif
|
|
gr->get_query_object_ui64v =
|
|
(void *) eglGetProcAddress("glGetQueryObjectui64vEXT");
|
|
assert(gr->gen_queries);
|
|
assert(gr->delete_queries);
|
|
assert(gr->begin_query);
|
|
assert(gr->end_query);
|
|
assert(gr->get_query_object_iv);
|
|
assert(gr->get_query_object_ui64v);
|
|
gr->has_disjoint_timer_query = true;
|
|
} else {
|
|
weston_log("warning: Disabling render GPU timeline due "
|
|
"to lack of support for elapsed counters by "
|
|
"the GL_EXT_disjoint_timer_query "
|
|
"extension\n");
|
|
}
|
|
} else if (gr->has_native_fence_sync) {
|
|
weston_log("warning: Disabling render GPU timeline due to "
|
|
"missing GL_EXT_disjoint_timer_query extension\n");
|
|
}
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
gr->fallback_shader = gl_renderer_create_fallback_shader(gr);
|
|
if (!gr->fallback_shader) {
|
|
weston_log("Error: compiling fallback shader failed.\n");
|
|
return -1;
|
|
}
|
|
|
|
gr->debug_mode_binding =
|
|
weston_compositor_add_debug_binding(ec, KEY_M,
|
|
debug_mode_binding, ec);
|
|
|
|
weston_log("GL ES %d.%d - renderer features:\n",
|
|
gr_gl_version_major(gr->gl_version),
|
|
gr_gl_version_minor(gr->gl_version));
|
|
weston_log_continue(STAMP_SPACE "read-back format: %s\n",
|
|
ec->read_format->drm_format_name);
|
|
weston_log_continue(STAMP_SPACE "glReadPixels supports y-flip: %s\n",
|
|
yesno(gr->has_pack_reverse));
|
|
weston_log_continue(STAMP_SPACE "glReadPixels supports PBO: %s\n",
|
|
yesno(gr->has_pbo));
|
|
weston_log_continue(STAMP_SPACE "wl_shm 10 bpc formats: %s\n",
|
|
yesno(gr->has_texture_type_2_10_10_10_rev));
|
|
weston_log_continue(STAMP_SPACE "wl_shm 16 bpc formats: %s\n",
|
|
yesno(gr->has_texture_norm16));
|
|
weston_log_continue(STAMP_SPACE "wl_shm half-float formats: %s\n",
|
|
yesno(gr->gl_supports_color_transforms));
|
|
weston_log_continue(STAMP_SPACE "internal R and RG formats: %s\n",
|
|
yesno(gr->has_gl_texture_rg));
|
|
weston_log_continue(STAMP_SPACE "OES_EGL_image_external: %s\n",
|
|
yesno(gr->has_egl_image_external));
|
|
|
|
return 0;
|
|
}
|
|
|
|
WL_EXPORT struct gl_renderer_interface gl_renderer_interface = {
|
|
.display_create = gl_renderer_display_create,
|
|
.output_window_create = gl_renderer_output_window_create,
|
|
.output_fbo_create = gl_renderer_output_fbo_create,
|
|
.output_destroy = gl_renderer_output_destroy,
|
|
.output_set_border = gl_renderer_output_set_border,
|
|
.create_fence_fd = gl_renderer_create_fence_fd,
|
|
.create_fbo = gl_renderer_create_fbo,
|
|
};
|