clients: add simple-dmabuf client
v2: - adapted to protocol changes - added TODO comments - minor clean-up - change y-invert from per-plane boolean to per-buffer flag v3: - fix a typo: 1 -> i (noticed by Carlos Olmedo Escobar) Signed-off-by: George Kiagiadakis <george.kiagiadakis@collabora.com> Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk> Signed-off-by: Louis-Francis Ratté-Boulianne <lfrb@collabora.com> Acked-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
George Kiagiadakis
Pekka Paalanen
parent
bf8cc6f5a1
commit
53868985ff
1
.gitignore
vendored
1
.gitignore
vendored
@ -66,6 +66,7 @@ weston-nested-client
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weston-presentation-shm
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weston-resizor
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weston-scaler
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weston-simple-dmabuf
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weston-simple-egl
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weston-simple-shm
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weston-simple-touch
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15
Makefile.am
15
Makefile.am
@ -503,6 +503,21 @@ weston_simple_egl_CFLAGS = $(AM_CFLAGS) $(SIMPLE_EGL_CLIENT_CFLAGS)
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weston_simple_egl_LDADD = $(SIMPLE_EGL_CLIENT_LIBS) -lm
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endif
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if BUILD_SIMPLE_INTEL_DMABUF_CLIENT
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demo_clients += weston-simple-dmabuf
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weston_simple_dmabuf_SOURCES = clients/simple-dmabuf.c
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nodist_weston_simple_dmabuf_SOURCES = \
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protocol/xdg-shell-protocol.c \
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protocol/xdg-shell-client-protocol.h \
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protocol/fullscreen-shell-protocol.c \
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protocol/fullscreen-shell-client-protocol.h \
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protocol/linux-dmabuf-protocol.c \
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protocol/linux-dmabuf-client-protocol.h
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weston_simple_dmabuf_CFLAGS = $(AM_CFLAGS) $(SIMPLE_DMABUF_CLIENT_CFLAGS)
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weston_simple_dmabuf_LDADD = $(SIMPLE_DMABUF_CLIENT_LIBS) libshared.la
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BUILT_SOURCES += protocol/linux-dmabuf-client-protocol.h
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endif
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noinst_LTLIBRARIES += libtoytoolkit.la
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libtoytoolkit_la_SOURCES = \
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591
clients/simple-dmabuf.c
Normal file
591
clients/simple-dmabuf.c
Normal file
@ -0,0 +1,591 @@
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/*
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* Copyright © 2011 Benjamin Franzke
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* Copyright © 2010 Intel Corporation
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* Copyright © 2014 Collabora Ltd.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <assert.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <xf86drm.h>
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#include <libdrm/i915_drm.h>
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#include <libdrm/intel_bufmgr.h>
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#include <libdrm/drm_fourcc.h>
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#include <wayland-client.h>
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#include "xdg-shell-client-protocol.h"
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#include "fullscreen-shell-client-protocol.h"
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#include "linux-dmabuf-client-protocol.h"
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struct display {
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struct wl_display *display;
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struct wl_registry *registry;
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struct wl_compositor *compositor;
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struct xdg_shell *shell;
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struct _wl_fullscreen_shell *fshell;
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struct zlinux_dmabuf *dmabuf;
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int xrgb8888_format_found;
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};
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struct buffer {
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struct wl_buffer *buffer;
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int busy;
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int drm_fd;
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drm_intel_bufmgr *bufmgr;
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drm_intel_bo *bo;
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uint32_t gem_handle;
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int dmabuf_fd;
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uint8_t *mmap;
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int width;
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int height;
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int bpp;
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unsigned long stride;
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};
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struct window {
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struct display *display;
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int width, height;
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struct wl_surface *surface;
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struct xdg_surface *xdg_surface;
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struct buffer buffers[2];
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struct buffer *prev_buffer;
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struct wl_callback *callback;
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};
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static int running = 1;
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static void
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buffer_release(void *data, struct wl_buffer *buffer)
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{
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struct buffer *mybuf = data;
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mybuf->busy = 0;
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}
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static const struct wl_buffer_listener buffer_listener = {
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buffer_release
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};
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static int
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drm_connect(struct buffer *my_buf)
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{
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/* This won't work with card0 as we need to be authenticated; instead,
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* boot with drm.rnodes=1 and use that. */
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my_buf->drm_fd = open("/dev/dri/renderD128", O_RDWR);
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if (my_buf->drm_fd < 0)
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return 0;
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my_buf->bufmgr = drm_intel_bufmgr_gem_init(my_buf->drm_fd, 32);
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if (!my_buf->bufmgr)
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return 0;
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return 1;
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}
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static void
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drm_shutdown(struct buffer *my_buf)
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{
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drm_intel_bufmgr_destroy(my_buf->bufmgr);
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close(my_buf->drm_fd);
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}
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static int
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alloc_bo(struct buffer *my_buf)
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{
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/* XXX: try different tiling modes for testing FB modifiers. */
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uint32_t tiling = I915_TILING_NONE;
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assert(my_buf->bufmgr);
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my_buf->bo = drm_intel_bo_alloc_tiled(my_buf->bufmgr, "test",
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my_buf->width, my_buf->height,
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(my_buf->bpp / 8), &tiling,
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&my_buf->stride, 0);
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printf("buffer allocated w %d, h %d, stride %lu, size %lu\n",
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my_buf->width, my_buf->height, my_buf->stride, my_buf->bo->size);
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if (!my_buf->bo)
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return 0;
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if (tiling != I915_TILING_NONE)
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return 0;
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return 1;
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}
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static void
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free_bo(struct buffer *my_buf)
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{
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drm_intel_bo_unreference(my_buf->bo);
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}
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static int
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map_bo(struct buffer *my_buf)
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{
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if (drm_intel_gem_bo_map_gtt(my_buf->bo) != 0)
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return 0;
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my_buf->mmap = my_buf->bo->virtual;
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return 1;
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}
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static void
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fill_content(struct buffer *my_buf)
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{
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int x = 0, y = 0;
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uint32_t *pix;
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assert(my_buf->mmap);
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for (y = 0; y < my_buf->height; y++) {
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pix = (uint32_t *)(my_buf->mmap + y * my_buf->stride);
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for (x = 0; x < my_buf->width; x++) {
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*pix++ = (0xff << 24) | ((x % 256) << 16) |
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((y % 256) << 8) | 0xf0;
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}
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}
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}
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static void
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unmap_bo(struct buffer *my_buf)
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{
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drm_intel_gem_bo_unmap_gtt(my_buf->bo);
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}
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static void
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create_succeeded(void *data,
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struct zlinux_buffer_params *params,
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struct wl_buffer *new_buffer)
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{
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struct buffer *buffer = data;
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buffer->buffer = new_buffer;
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wl_buffer_add_listener(buffer->buffer, &buffer_listener, buffer);
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zlinux_buffer_params_destroy(params);
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}
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static void
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create_failed(void *data, struct zlinux_buffer_params *params)
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{
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struct buffer *buffer = data;
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buffer->buffer = NULL;
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zlinux_buffer_params_destroy(params);
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fprintf(stderr, "Error: zlinux_buffer_params.create failed.\n");
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}
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static const struct zlinux_buffer_params_listener params_listener = {
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create_succeeded,
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create_failed
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};
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static int
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create_dmabuf_buffer(struct display *display, struct buffer *buffer,
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int width, int height)
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{
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struct zlinux_buffer_params *params;
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uint64_t modifier;
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uint32_t flags;
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if (!drm_connect(buffer)) {
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fprintf(stderr, "drm_connect failed\n");
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goto error;
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}
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buffer->width = width;
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buffer->height = height;
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buffer->bpp = 32; /* hardcoded XRGB8888 format */
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if (!alloc_bo(buffer)) {
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fprintf(stderr, "alloc_bo failed\n");
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goto error1;
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}
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if (!map_bo(buffer)) {
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fprintf(stderr, "map_bo failed\n");
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goto error2;
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}
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fill_content(buffer);
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unmap_bo(buffer);
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if (drm_intel_bo_gem_export_to_prime(buffer->bo, &buffer->dmabuf_fd) != 0) {
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fprintf(stderr, "drm_intel_bo_gem_export_to_prime failed\n");
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goto error2;
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}
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if (buffer->dmabuf_fd < 0) {
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fprintf(stderr, "error: dmabuf_fd < 0\n");
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goto error2;
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}
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/* We now have a dmabuf! It should contain 2x2 tiles (i.e. each tile
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* is 256x256) of misc colours, and be mappable, either as ARGB8888, or
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* XRGB8888. */
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modifier = 0;
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flags = 0;
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params = zlinux_dmabuf_create_params(display->dmabuf);
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zlinux_buffer_params_add(params,
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buffer->dmabuf_fd,
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0, /* plane_idx */
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0, /* offset */
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buffer->stride,
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modifier >> 32,
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modifier & 0xffffffff);
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zlinux_buffer_params_add_listener(params, ¶ms_listener, buffer);
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zlinux_buffer_params_create(params,
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buffer->width,
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buffer->height,
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DRM_FORMAT_XRGB8888,
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flags);
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/* params is destroyed by the event handlers */
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wl_display_roundtrip(display->display);
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if (buffer->buffer == NULL) {
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goto error2;
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}
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return 0;
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error2:
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free_bo(buffer);
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error1:
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drm_shutdown(buffer);
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error:
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return -1;
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}
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static void
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handle_configure(void *data, struct xdg_surface *surface,
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int32_t width, int32_t height,
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struct wl_array *states, uint32_t serial)
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{
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}
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static void
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handle_delete(void *data, struct xdg_surface *xdg_surface)
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{
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running = 0;
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}
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static const struct xdg_surface_listener xdg_surface_listener = {
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handle_configure,
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handle_delete,
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};
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static struct window *
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create_window(struct display *display, int width, int height)
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{
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struct window *window;
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window = calloc(1, sizeof *window);
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if (!window)
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return NULL;
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window->callback = NULL;
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window->display = display;
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window->width = width;
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window->height = height;
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window->surface = wl_compositor_create_surface(display->compositor);
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if (display->shell) {
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window->xdg_surface =
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xdg_shell_get_xdg_surface(display->shell,
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window->surface);
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assert(window->xdg_surface);
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xdg_surface_add_listener(window->xdg_surface,
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&xdg_surface_listener, window);
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xdg_surface_set_title(window->xdg_surface, "simple-dmabuf");
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} else if (display->fshell) {
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_wl_fullscreen_shell_present_surface(display->fshell,
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window->surface,
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_WL_FULLSCREEN_SHELL_PRESENT_METHOD_DEFAULT,
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NULL);
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} else {
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assert(0);
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}
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return window;
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}
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static void
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destroy_window(struct window *window)
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{
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int i;
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if (window->callback)
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wl_callback_destroy(window->callback);
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for (i = 0; i < 2; i++) {
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if (!window->buffers[i].buffer)
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continue;
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wl_buffer_destroy(window->buffers[i].buffer);
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free_bo(&window->buffers[i]);
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close(window->buffers[i].dmabuf_fd);
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drm_shutdown(&window->buffers[i]);
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}
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if (window->xdg_surface)
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xdg_surface_destroy(window->xdg_surface);
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wl_surface_destroy(window->surface);
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free(window);
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}
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static struct buffer *
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window_next_buffer(struct window *window)
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{
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struct buffer *buffer;
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int ret = 0;
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if (!window->buffers[0].busy)
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buffer = &window->buffers[0];
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else if (!window->buffers[1].busy)
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buffer = &window->buffers[1];
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else
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return NULL;
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if (!buffer->buffer) {
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ret = create_dmabuf_buffer(window->display, buffer,
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window->width, window->height);
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if (ret < 0)
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return NULL;
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}
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return buffer;
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}
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static const struct wl_callback_listener frame_listener;
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static void
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redraw(void *data, struct wl_callback *callback, uint32_t time)
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{
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struct window *window = data;
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struct buffer *buffer;
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buffer = window_next_buffer(window);
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if (!buffer) {
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fprintf(stderr,
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!callback ? "Failed to create the first buffer.\n" :
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"Both buffers busy at redraw(). Server bug?\n");
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abort();
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}
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/* XXX: would be nice to draw something that changes here... */
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wl_surface_attach(window->surface, buffer->buffer, 0, 0);
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wl_surface_damage(window->surface, 0, 0, window->width, window->height);
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|
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if (callback)
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wl_callback_destroy(callback);
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|
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window->callback = wl_surface_frame(window->surface);
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wl_callback_add_listener(window->callback, &frame_listener, window);
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wl_surface_commit(window->surface);
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buffer->busy = 1;
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}
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static const struct wl_callback_listener frame_listener = {
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redraw
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};
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static void
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dmabuf_format(void *data, struct zlinux_dmabuf *zlinux_dmabuf, uint32_t format)
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{
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struct display *d = data;
|
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|
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if (format == DRM_FORMAT_XRGB8888)
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d->xrgb8888_format_found = 1;
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}
|
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|
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static const struct zlinux_dmabuf_listener dmabuf_listener = {
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dmabuf_format
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};
|
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|
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static void
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xdg_shell_ping(void *data, struct xdg_shell *shell, uint32_t serial)
|
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{
|
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xdg_shell_pong(shell, serial);
|
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}
|
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|
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static const struct xdg_shell_listener xdg_shell_listener = {
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xdg_shell_ping,
|
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};
|
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|
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#define XDG_VERSION 5 /* The version of xdg-shell that we implement */
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#ifdef static_assert
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static_assert(XDG_VERSION == XDG_SHELL_VERSION_CURRENT,
|
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"Interface version doesn't match implementation version");
|
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#endif
|
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static void
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registry_handle_global(void *data, struct wl_registry *registry,
|
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uint32_t id, const char *interface, uint32_t version)
|
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{
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struct display *d = data;
|
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|
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if (strcmp(interface, "wl_compositor") == 0) {
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d->compositor =
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wl_registry_bind(registry,
|
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id, &wl_compositor_interface, 1);
|
||||
} else if (strcmp(interface, "xdg_shell") == 0) {
|
||||
d->shell = wl_registry_bind(registry,
|
||||
id, &xdg_shell_interface, 1);
|
||||
xdg_shell_use_unstable_version(d->shell, XDG_VERSION);
|
||||
xdg_shell_add_listener(d->shell, &xdg_shell_listener, d);
|
||||
} else if (strcmp(interface, "_wl_fullscreen_shell") == 0) {
|
||||
d->fshell = wl_registry_bind(registry,
|
||||
id, &_wl_fullscreen_shell_interface, 1);
|
||||
} else if (strcmp(interface, "zlinux_dmabuf") == 0) {
|
||||
d->dmabuf = wl_registry_bind(registry,
|
||||
id, &zlinux_dmabuf_interface, 1);
|
||||
zlinux_dmabuf_add_listener(d->dmabuf, &dmabuf_listener, d);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
registry_handle_global_remove(void *data, struct wl_registry *registry,
|
||||
uint32_t name)
|
||||
{
|
||||
}
|
||||
|
||||
static const struct wl_registry_listener registry_listener = {
|
||||
registry_handle_global,
|
||||
registry_handle_global_remove
|
||||
};
|
||||
|
||||
static struct display *
|
||||
create_display(void)
|
||||
{
|
||||
struct display *display;
|
||||
|
||||
display = malloc(sizeof *display);
|
||||
if (display == NULL) {
|
||||
fprintf(stderr, "out of memory\n");
|
||||
exit(1);
|
||||
}
|
||||
display->display = wl_display_connect(NULL);
|
||||
assert(display->display);
|
||||
|
||||
/* XXX: fake, because the compositor does not yet advertise anything */
|
||||
display->xrgb8888_format_found = 1;
|
||||
|
||||
display->registry = wl_display_get_registry(display->display);
|
||||
wl_registry_add_listener(display->registry,
|
||||
®istry_listener, display);
|
||||
wl_display_roundtrip(display->display);
|
||||
if (display->dmabuf == NULL) {
|
||||
fprintf(stderr, "No zlinux_dmabuf global\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
wl_display_roundtrip(display->display);
|
||||
|
||||
if (!display->xrgb8888_format_found) {
|
||||
fprintf(stderr, "DRM_FORMAT_XRGB8888 not available\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
return display;
|
||||
}
|
||||
|
||||
static void
|
||||
destroy_display(struct display *display)
|
||||
{
|
||||
if (display->dmabuf)
|
||||
zlinux_dmabuf_destroy(display->dmabuf);
|
||||
|
||||
if (display->shell)
|
||||
xdg_shell_destroy(display->shell);
|
||||
|
||||
if (display->fshell)
|
||||
_wl_fullscreen_shell_release(display->fshell);
|
||||
|
||||
if (display->compositor)
|
||||
wl_compositor_destroy(display->compositor);
|
||||
|
||||
wl_registry_destroy(display->registry);
|
||||
wl_display_flush(display->display);
|
||||
wl_display_disconnect(display->display);
|
||||
free(display);
|
||||
}
|
||||
|
||||
static void
|
||||
signal_int(int signum)
|
||||
{
|
||||
running = 0;
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
struct sigaction sigint;
|
||||
struct display *display;
|
||||
struct window *window;
|
||||
int ret = 0;
|
||||
|
||||
display = create_display();
|
||||
window = create_window(display, 250, 250);
|
||||
if (!window)
|
||||
return 1;
|
||||
|
||||
sigint.sa_handler = signal_int;
|
||||
sigemptyset(&sigint.sa_mask);
|
||||
sigint.sa_flags = SA_RESETHAND;
|
||||
sigaction(SIGINT, &sigint, NULL);
|
||||
|
||||
/* Initialise damage to full surface, so the padding gets painted */
|
||||
wl_surface_damage(window->surface, 0, 0,
|
||||
window->width, window->height);
|
||||
|
||||
redraw(window, NULL, 0);
|
||||
|
||||
while (running && ret != -1)
|
||||
ret = wl_display_dispatch(display->display);
|
||||
|
||||
fprintf(stderr, "simple-dmabuf exiting\n");
|
||||
destroy_window(window);
|
||||
destroy_display(display);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -335,6 +335,15 @@ if test x$enable_simple_egl_clients = xyes; then
|
||||
[egl >= 7.10 glesv2 wayland-client wayland-egl wayland-cursor])
|
||||
fi
|
||||
|
||||
AC_ARG_ENABLE(simple-intel-dmabuf-client,
|
||||
AS_HELP_STRING([--disable-simple-intel-dmabuf-client],
|
||||
[do not build the simple intel dmabuf client]),,
|
||||
enable_simple_intel_dmabuf_client="yes")
|
||||
AM_CONDITIONAL(BUILD_SIMPLE_INTEL_DMABUF_CLIENT, test "x$enable_simple_intel_dmabuf_client" = "xyes")
|
||||
if test "x$enable_simple_intel_dmabuf_client" = "xyes"; then
|
||||
PKG_CHECK_MODULES(SIMPLE_DMABUF_CLIENT, [wayland-client libdrm libdrm_intel])
|
||||
fi
|
||||
|
||||
AC_ARG_ENABLE(clients, [ --enable-clients],, enable_clients=yes)
|
||||
AM_CONDITIONAL(BUILD_CLIENTS, test x$enable_clients = xyes)
|
||||
if test x$enable_clients = xyes; then
|
||||
|
||||
Loading…
Reference in New Issue
Block a user