660 lines
19 KiB
C
660 lines
19 KiB
C
/*
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* Copyright © 2008-2011 Kristian Høgsberg
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* Copyright © 2017, 2018 General Electric Company
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* Copyright © 2012, 2017-2019, 2021 Collabora, Ltd.
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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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#ifndef LIBWESTON_INTERNAL_H
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#define LIBWESTON_INTERNAL_H
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/*
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* This is the internal (private) part of libweston. All symbols found here
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* are, and should be only (with a few exceptions) used within the internal
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* parts of libweston. Notable exception(s) include a few files in tests/ that
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* need access to these functions, screen-share file from compositor/ and those
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* remoting/. Those will require some further fixing as to avoid including this
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* private header.
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*
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* Eventually, these symbols should reside naturally into their own scope. New
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* features should either provide their own (internal) header or use this one.
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*/
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#include <libweston/libweston.h>
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#include <assert.h>
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#include "color.h"
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/* compositor <-> renderer interface */
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struct weston_renderbuffer {
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pixman_region32_t damage;
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int refcount;
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void (*destroy)(struct weston_renderbuffer *renderbuffer);
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};
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struct weston_renderbuffer *
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weston_renderbuffer_ref(struct weston_renderbuffer *renderbuffer);
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void
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weston_renderbuffer_unref(struct weston_renderbuffer *renderbuffer);
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struct weston_renderer_options {
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};
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struct linux_dmabuf_memory {
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struct dmabuf_attributes *attributes;
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void (*destroy)(struct linux_dmabuf_memory *dmabuf);
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};
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struct weston_renderer {
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int (*read_pixels)(struct weston_output *output,
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const struct pixel_format_info *format, void *pixels,
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uint32_t x, uint32_t y,
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uint32_t width, uint32_t height);
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void (*repaint_output)(struct weston_output *output,
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pixman_region32_t *output_damage,
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struct weston_renderbuffer *renderbuffer);
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/** See weston_renderer_resize_output()
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*
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* \return True for success, false for leaving the output in a mess.
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*/
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bool (*resize_output)(struct weston_output *output,
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const struct weston_size *fb_size,
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const struct weston_geometry *area);
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void (*flush_damage)(struct weston_paint_node *pnode);
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void (*attach)(struct weston_paint_node *pnode);
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void (*destroy)(struct weston_compositor *ec);
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/** See weston_surface_copy_content() */
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int (*surface_copy_content)(struct weston_surface *surface,
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void *target, size_t size,
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int src_x, int src_y,
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int width, int height);
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/** See weston_compositor_import_dmabuf() */
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bool (*import_dmabuf)(struct weston_compositor *ec,
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struct linux_dmabuf_buffer *buffer);
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const struct weston_drm_format_array *
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(*get_supported_formats)(struct weston_compositor *ec);
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bool (*fill_buffer_info)(struct weston_compositor *ec,
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struct weston_buffer *buffer);
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void (*buffer_init)(struct weston_compositor *ec,
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struct weston_buffer *buffer);
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/**
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* Add DMABUF as renderbuffer to the output
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*
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* \param output The output to add the DMABUF renderbuffer for.
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* \param dmabuf The description object of the DMABUF to import.
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* \return A weston_renderbuffer on success, NULL on failure.
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*
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* This function imports the DMABUF memory as renderbuffer and adds
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* it to the output. The returned weston_renderbuffer can be passed to
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* repaint_output() to render into the DMABUF.
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*
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* The ownership of the linux_dmabuf_memory is transferred to the
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* returned weston_renderbuffer. The linux_dmabuf_memory will be
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* destroyed automatically when the weston_renderbuffer is destroyed.
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*/
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struct weston_renderbuffer *
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(*create_renderbuffer_dmabuf)(struct weston_output *output,
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struct linux_dmabuf_memory *dmabuf);
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/**
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* Remove the DAMBUF renderbuffer from the output
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*
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* \param output The output to remove a DMABUF renderbuffer from.
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* \param renderbuffer The weston_renderbuffer that shall be removed
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*
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* This function removes the DMABUF renderbuffer from the output.
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*
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* This allows the backend to signal the renderer that it will no longer
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* use the renderbuffer for rendering and the renderer may free the
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* resources of the renderbuffer.
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*/
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void (*remove_renderbuffer_dmabuf)(struct weston_output *output,
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struct weston_renderbuffer *renderbuffer);
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/* Allocate a DMABUF that can be imported as renderbuffer
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*
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* \param renderer The renderer that allocated the DMABUF
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* \param width The width of the allocated DMABUF
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* \param height The height of the allocated DMABUF
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* \param format The pixel format of the allocated DMABUF
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* \param modifiers The suggested modifiers for the allocated DMABUF
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* \param count The number of suggested modifiers for the allocated DMABUF
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* \return A linux_dmabuf_memory object that may be imported as renderbuffer
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*
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* Request a DMABUF from the renderer. The returned DMABUF can be
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* imported into the renderer as a renderbuffer and exported to other
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* processes.
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*/
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struct linux_dmabuf_memory *
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(*dmabuf_alloc)(struct weston_renderer *renderer,
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unsigned int width, unsigned int height,
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uint32_t format,
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const uint64_t *modifiers, unsigned int count);
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enum weston_renderer_type type;
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const struct gl_renderer_interface *gl;
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const struct pixman_renderer_interface *pixman;
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};
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struct weston_tearing_control {
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struct weston_surface *surface;
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bool may_tear;
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};
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void
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weston_renderer_resize_output(struct weston_output *output,
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const struct weston_size *fb_size,
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const struct weston_geometry *area);
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static inline void
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check_compositing_area(const struct weston_size *fb_size,
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const struct weston_geometry *area)
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{
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assert(fb_size);
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assert(fb_size->width > 0);
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assert(fb_size->height > 0);
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assert(area);
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assert(area->x >= 0);
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assert(area->width > 0);
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assert(area->x <= fb_size->width - area->width);
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assert(area->y >= 0);
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assert(area->height > 0);
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assert(area->y <= fb_size->height - area->height);
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}
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/* weston_buffer */
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void
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weston_buffer_send_server_error(struct weston_buffer *buffer,
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const char *msg);
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void
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weston_buffer_reference(struct weston_buffer_reference *ref,
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struct weston_buffer *buffer,
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enum weston_buffer_reference_type type);
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void
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weston_buffer_release_move(struct weston_buffer_release_reference *dest,
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struct weston_buffer_release_reference *src);
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void
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weston_buffer_release_reference(struct weston_buffer_release_reference *ref,
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struct weston_buffer_release *buf_release);
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/* weston_bindings */
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void
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weston_binding_list_destroy_all(struct wl_list *list);
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/* weston_compositor */
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void
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touch_calibrator_mode_changed(struct weston_compositor *compositor);
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int
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noop_renderer_init(struct weston_compositor *ec);
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void
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weston_compositor_add_head(struct weston_compositor *compositor,
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struct weston_head *head);
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void
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weston_compositor_add_pending_output(struct weston_output *output,
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struct weston_compositor *compositor);
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bool
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weston_compositor_import_dmabuf(struct weston_compositor *compositor,
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struct linux_dmabuf_buffer *buffer);
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bool
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weston_compositor_dmabuf_can_scanout(struct weston_compositor *compositor,
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struct linux_dmabuf_buffer *buffer);
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void
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weston_compositor_offscreen(struct weston_compositor *compositor);
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char *
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weston_compositor_print_scene_graph(struct weston_compositor *ec);
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void
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weston_compositor_read_presentation_clock(
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struct weston_compositor *compositor,
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struct timespec *ts);
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int
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weston_compositor_init_renderer(struct weston_compositor *compositor,
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enum weston_renderer_type renderer_type,
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const struct weston_renderer_options *options);
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int
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weston_compositor_run_axis_binding(struct weston_compositor *compositor,
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struct weston_pointer *pointer,
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const struct timespec *time,
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struct weston_pointer_axis_event *event);
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void
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weston_compositor_run_button_binding(struct weston_compositor *compositor,
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struct weston_pointer *pointer,
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const struct timespec *time,
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uint32_t button,
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enum wl_pointer_button_state value);
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int
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weston_compositor_run_debug_binding(struct weston_compositor *compositor,
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struct weston_keyboard *keyboard,
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const struct timespec *time,
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uint32_t key,
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enum wl_keyboard_key_state state);
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void
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weston_compositor_run_key_binding(struct weston_compositor *compositor,
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struct weston_keyboard *keyboard,
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const struct timespec *time,
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uint32_t key,
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enum wl_keyboard_key_state state);
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void
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weston_compositor_run_modifier_binding(struct weston_compositor *compositor,
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struct weston_keyboard *keyboard,
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enum weston_keyboard_modifier modifier,
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enum wl_keyboard_key_state state);
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void
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weston_compositor_run_touch_binding(struct weston_compositor *compositor,
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struct weston_touch *touch,
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const struct timespec *time,
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int touch_type);
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void
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weston_compositor_run_tablet_tool_binding(struct weston_compositor *compositor,
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struct weston_tablet_tool *tool,
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uint32_t button, uint32_t state_w);
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void
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weston_compositor_stack_plane(struct weston_compositor *ec,
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struct weston_plane *plane,
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struct weston_plane *above);
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void
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weston_compositor_set_touch_mode_normal(struct weston_compositor *compositor);
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void
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weston_compositor_set_touch_mode_calib(struct weston_compositor *compositor);
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void
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weston_compositor_xkb_destroy(struct weston_compositor *ec);
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int
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weston_input_init(struct weston_compositor *compositor);
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/* weston_output */
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void
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weston_output_disable_planes_incr(struct weston_output *output);
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void
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weston_output_disable_planes_decr(struct weston_output *output);
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void
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weston_output_set_single_mode(struct weston_output *output,
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struct weston_mode *target);
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/* weston_plane */
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void
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weston_plane_init(struct weston_plane *plane, struct weston_compositor *ec);
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void
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weston_plane_release(struct weston_plane *plane);
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/* weston_seat */
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struct clipboard *
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clipboard_create(struct weston_seat *seat);
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void
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weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec,
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const char *seat_name);
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void
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weston_seat_repick(struct weston_seat *seat);
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void
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weston_seat_release(struct weston_seat *seat);
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void
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weston_seat_send_selection(struct weston_seat *seat, struct wl_client *client);
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int
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weston_seat_init_pointer(struct weston_seat *seat);
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int
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weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
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int
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weston_seat_init_touch(struct weston_seat *seat);
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void
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weston_seat_release_keyboard(struct weston_seat *seat);
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void
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weston_seat_release_pointer(struct weston_seat *seat);
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void
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weston_seat_release_touch(struct weston_seat *seat);
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struct weston_tablet *
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weston_seat_add_tablet(struct weston_seat *seat);
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struct weston_tablet_tool *
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weston_seat_add_tablet_tool(struct weston_seat *seat);
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void
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weston_seat_release_tablet_tool(struct weston_tablet_tool *tablet_tool);
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void
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weston_seat_release_tablet(struct weston_tablet *tablet);
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void
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weston_seat_update_keymap(struct weston_seat *seat, struct xkb_keymap *keymap);
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void
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wl_data_device_set_keyboard_focus(struct weston_seat *seat);
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/* weston_pointer */
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struct weston_coord_global
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weston_pointer_clamp(struct weston_pointer *pointer,
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struct weston_coord_global pos);
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void
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weston_pointer_set_default_grab(struct weston_pointer *pointer,
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const struct weston_pointer_grab_interface *interface);
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void
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weston_pointer_constraint_destroy(struct weston_pointer_constraint *constraint);
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/* weston_keyboard */
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bool
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weston_keyboard_has_focus_resource(struct weston_keyboard *keyboard);
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/* weston_touch */
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struct weston_touch_device *
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weston_touch_create_touch_device(struct weston_touch *touch,
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const char *syspath,
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void *backend_data,
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const struct weston_touch_device_ops *ops);
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void
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weston_touch_device_destroy(struct weston_touch_device *device);
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bool
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weston_touch_has_focus_resource(struct weston_touch *touch);
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int
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weston_touch_start_drag(struct weston_touch *touch,
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struct weston_data_source *source,
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struct weston_surface *icon,
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struct wl_client *client);
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/* weston_touch_device */
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bool
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weston_touch_device_can_calibrate(struct weston_touch_device *device);
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/* weston_tablet */
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void
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weston_tablet_manager_init(struct weston_compositor *ec);
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struct weston_tablet *
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weston_tablet_create(void);
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void
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weston_tablet_destroy(struct weston_tablet *tablet);
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/* weston_tablet_tool */
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struct weston_tablet_tool *
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weston_tablet_tool_create(void);
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void
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weston_tablet_tool_destroy(struct weston_tablet_tool *tool);
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/* weston_surface */
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pixman_box32_t
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weston_surface_to_buffer_rect(struct weston_surface *surface,
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pixman_box32_t rect);
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void
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weston_surface_to_buffer_region(struct weston_surface *surface,
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pixman_region32_t *surface_region,
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pixman_region32_t *buffer_region);
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void
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weston_surface_schedule_repaint(struct weston_surface *surface);
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/* weston_spring */
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void
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weston_spring_init(struct weston_spring *spring,
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double k, double current, double target);
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int
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weston_spring_done(struct weston_spring *spring);
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void
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weston_spring_update(struct weston_spring *spring, const struct timespec *time);
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/* weston_view */
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bool
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weston_view_is_opaque(struct weston_view *ev, pixman_region32_t *region);
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bool
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weston_view_has_valid_buffer(struct weston_view *ev);
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bool
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weston_view_matches_output_entirely(struct weston_view *ev,
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struct weston_output *output);
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bool
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weston_view_takes_input_at_point(struct weston_view *view,
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struct weston_coord_surface surf_pos);
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void
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weston_paint_node_move_to_plane(struct weston_paint_node *pnode,
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struct weston_plane *plane);
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void
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weston_view_buffer_to_output_matrix(const struct weston_view *view,
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const struct weston_output *output,
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struct weston_matrix *matrix);
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pixman_box32_t
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weston_matrix_transform_rect(struct weston_matrix *matrix,
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pixman_box32_t rect);
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void
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weston_matrix_transform_region(pixman_region32_t *dest,
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struct weston_matrix *matrix,
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pixman_region32_t *src);
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/* protected_surface */
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void
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weston_protected_surface_send_event(struct protected_surface *psurface,
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enum weston_hdcp_protection protection);
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/* weston_drm_format */
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struct weston_drm_format {
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uint32_t format;
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struct wl_array modifiers;
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};
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struct weston_drm_format_array {
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struct wl_array arr;
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};
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void
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weston_drm_format_array_init(struct weston_drm_format_array *formats);
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void
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weston_drm_format_array_fini(struct weston_drm_format_array *formats);
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int
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weston_drm_format_array_replace(struct weston_drm_format_array *formats,
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const struct weston_drm_format_array *source_formats);
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struct weston_drm_format *
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weston_drm_format_array_add_format(struct weston_drm_format_array *formats,
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uint32_t format);
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void
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weston_drm_format_array_remove_latest_format(struct weston_drm_format_array *formats);
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struct weston_drm_format *
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weston_drm_format_array_find_format(const struct weston_drm_format_array *formats,
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uint32_t format);
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unsigned int
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weston_drm_format_array_count_pairs(const struct weston_drm_format_array *formats);
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bool
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weston_drm_format_array_equal(const struct weston_drm_format_array *formats_A,
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const struct weston_drm_format_array *formats_B);
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int
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weston_drm_format_array_join(struct weston_drm_format_array *formats_A,
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const struct weston_drm_format_array *formats_B);
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int
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weston_drm_format_array_intersect(struct weston_drm_format_array *formats_A,
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const struct weston_drm_format_array *formats_B);
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int
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weston_drm_format_array_subtract(struct weston_drm_format_array *formats_A,
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const struct weston_drm_format_array *formats_B);
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int
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weston_drm_format_add_modifier(struct weston_drm_format *format,
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uint64_t modifier);
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bool
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weston_drm_format_has_modifier(const struct weston_drm_format *format,
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uint64_t modifier);
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|
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const uint64_t *
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weston_drm_format_get_modifiers(const struct weston_drm_format *format,
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unsigned int *count_out);
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|
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void
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weston_compositor_destroy_touch_calibrator(struct weston_compositor *compositor);
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|
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enum paint_node_status {
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PAINT_NODE_CLEAN = 0,
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PAINT_NODE_OUTPUT_DIRTY = 1 << 0,
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PAINT_NODE_VIEW_DIRTY = 1 << 1,
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PAINT_NODE_VISIBILITY_DIRTY = 1 << 2,
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PAINT_NODE_PLANE_DIRTY = 1 << 3,
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PAINT_NODE_CONTENT_DIRTY = 1 << 4,
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PAINT_NODE_BUFFER_DIRTY = 1 << 5,
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PAINT_NODE_ALL_DIRTY = (1 << 6) - 1,
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};
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|
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/**
|
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* paint node
|
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*
|
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* A generic data structure unique for surface-view-output combination.
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|
*/
|
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struct weston_paint_node {
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/* Immutable members: */
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|
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/* struct weston_surface::paint_node_list */
|
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struct wl_list surface_link;
|
|
struct weston_surface *surface;
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|
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/* struct weston_view::paint_node_list */
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struct wl_list view_link;
|
|
struct weston_view *view;
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|
|
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/* struct weston_output::paint_node_list */
|
|
struct wl_list output_link;
|
|
struct weston_output *output;
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|
|
|
/* Mutable members: */
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|
|
|
enum paint_node_status status;
|
|
struct weston_matrix buffer_to_output_matrix;
|
|
struct weston_matrix output_to_buffer_matrix;
|
|
bool needs_filtering;
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|
|
|
bool valid_transform;
|
|
enum wl_output_transform transform;
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|
|
|
/* struct weston_output::paint_node_z_order_list */
|
|
struct wl_list z_order_link;
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|
|
|
pixman_region32_t visible;
|
|
pixman_region32_t damage; /* In global coordinates */
|
|
struct weston_plane *plane;
|
|
struct weston_plane *plane_next;
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|
|
|
struct weston_surface_color_transform surf_xform;
|
|
bool surf_xform_valid;
|
|
|
|
uint32_t try_view_on_plane_failure_reasons;
|
|
bool is_fully_opaque;
|
|
bool is_fully_blended;
|
|
bool is_direct;
|
|
bool draw_solid;
|
|
struct weston_solid_buffer_values solid;
|
|
bool need_hole;
|
|
uint32_t psf_flags; /* presentation-feedback flags */
|
|
};
|
|
|
|
struct weston_paint_node *
|
|
weston_view_find_paint_node(struct weston_view *view,
|
|
struct weston_output *output);
|
|
|
|
/* others */
|
|
int
|
|
wl_data_device_manager_init(struct wl_display *display);
|
|
|
|
/* Exclusively for unit tests */
|
|
|
|
bool
|
|
weston_output_set_color_outcome(struct weston_output *output);
|
|
|
|
void
|
|
weston_surface_build_buffer_matrix(const struct weston_surface *surface,
|
|
struct weston_matrix *matrix);
|
|
|
|
void
|
|
weston_output_update_matrix(struct weston_output *output);
|
|
|
|
void
|
|
convert_size_by_transform_scale(int32_t *width_out, int32_t *height_out,
|
|
int32_t width, int32_t height,
|
|
uint32_t transform,
|
|
int32_t scale);
|
|
|
|
/* User authentication for remote backends */
|
|
|
|
bool
|
|
weston_authenticate_user(const char *username, const char *password);
|
|
|
|
#endif
|