mirror of
https://gitlab.freedesktop.org/wayland/weston
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![Pekka Paalanen](/assets/img/avatar_default.png)
It is a public installed header used by libweston.h. See "Rename compositor.h to libweston/libweston.h" for rationale. Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
1510 lines
38 KiB
C
1510 lines
38 KiB
C
/*
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* Copyright © 2011 Benjamin Franzke
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* Copyright © 2010 Intel Corporation
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* Copyright © 2014,2018 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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#include "config.h"
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#include <assert.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stdint.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 <unistd.h>
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#include <sys/time.h>
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#include <drm_fourcc.h>
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#include <xf86drm.h>
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#include <gbm.h>
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#include <wayland-client.h>
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#include "shared/helpers.h"
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#include "shared/platform.h"
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#include <libweston/zalloc.h>
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#include "xdg-shell-unstable-v6-client-protocol.h"
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#include "fullscreen-shell-unstable-v1-client-protocol.h"
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#include "linux-dmabuf-unstable-v1-client-protocol.h"
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#include "linux-explicit-synchronization-unstable-v1-client-protocol.h"
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include "shared/weston-egl-ext.h"
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#ifndef DRM_FORMAT_MOD_INVALID
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#define DRM_FORMAT_MOD_INVALID ((1ULL << 56) - 1)
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#endif
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/* Possible options that affect the displayed image */
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#define OPT_IMMEDIATE (1 << 0) /* create wl_buffer immediately */
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#define OPT_IMPLICIT_SYNC (1 << 1) /* force implicit sync */
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#define OPT_MANDELBROT (1 << 2) /* render mandelbrot */
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#define BUFFER_FORMAT DRM_FORMAT_XRGB8888
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#define MAX_BUFFER_PLANES 4
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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 zxdg_shell_v6 *shell;
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struct zwp_fullscreen_shell_v1 *fshell;
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struct zwp_linux_dmabuf_v1 *dmabuf;
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struct zwp_linux_explicit_synchronization_v1 *explicit_sync;
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uint64_t *modifiers;
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int modifiers_count;
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int req_dmabuf_immediate;
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bool use_explicit_sync;
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struct {
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EGLDisplay display;
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EGLContext context;
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bool has_dma_buf_import_modifiers;
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PFNEGLQUERYDMABUFMODIFIERSEXTPROC query_dma_buf_modifiers;
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PFNEGLCREATEIMAGEKHRPROC create_image;
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PFNEGLDESTROYIMAGEKHRPROC destroy_image;
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PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
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PFNEGLCREATESYNCKHRPROC create_sync;
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PFNEGLDESTROYSYNCKHRPROC destroy_sync;
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PFNEGLCLIENTWAITSYNCKHRPROC client_wait_sync;
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PFNEGLDUPNATIVEFENCEFDANDROIDPROC dup_native_fence_fd;
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PFNEGLWAITSYNCKHRPROC wait_sync;
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} egl;
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struct {
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int drm_fd;
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struct gbm_device *device;
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} gbm;
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};
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struct buffer {
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struct display *display;
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struct wl_buffer *buffer;
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int busy;
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struct gbm_bo *bo;
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int width;
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int height;
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int format;
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uint64_t modifier;
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int plane_count;
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int dmabuf_fds[MAX_BUFFER_PLANES];
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uint32_t strides[MAX_BUFFER_PLANES];
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uint32_t offsets[MAX_BUFFER_PLANES];
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EGLImageKHR egl_image;
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GLuint gl_texture;
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GLuint gl_fbo;
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struct zwp_linux_buffer_release_v1 *buffer_release;
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/* The buffer owns the release_fence_fd, until it passes ownership
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* to it to EGL (see wait_for_buffer_release_fence). */
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int release_fence_fd;
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};
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#define NUM_BUFFERS 3
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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 zxdg_surface_v6 *xdg_surface;
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struct zxdg_toplevel_v6 *xdg_toplevel;
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struct zwp_linux_surface_synchronization_v1 *surface_sync;
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struct buffer buffers[NUM_BUFFERS];
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struct wl_callback *callback;
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bool initialized;
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bool wait_for_configure;
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struct {
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GLuint program;
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GLuint pos;
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GLuint color;
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GLuint offset_uniform;
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} gl;
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bool render_mandelbrot;
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};
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static sig_atomic_t running = 1;
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static void
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redraw(void *data, struct wl_callback *callback, uint32_t time);
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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 void
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buffer_free(struct buffer *buf)
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{
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int i;
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if (buf->release_fence_fd >= 0)
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close(buf->release_fence_fd);
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if (buf->buffer_release)
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zwp_linux_buffer_release_v1_destroy(buf->buffer_release);
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if (buf->gl_fbo)
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glDeleteFramebuffers(1, &buf->gl_fbo);
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if (buf->gl_texture)
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glDeleteTextures(1, &buf->gl_texture);
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if (buf->egl_image) {
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buf->display->egl.destroy_image(buf->display->egl.display,
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buf->egl_image);
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}
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if (buf->buffer)
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wl_buffer_destroy(buf->buffer);
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if (buf->bo)
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gbm_bo_destroy(buf->bo);
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for (i = 0; i < buf->plane_count; ++i) {
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if (buf->dmabuf_fds[i] >= 0)
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close(buf->dmabuf_fds[i]);
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}
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}
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static void
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create_succeeded(void *data,
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struct zwp_linux_buffer_params_v1 *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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/* When not using explicit synchronization listen to wl_buffer.release
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* for release notifications, otherwise we are going to use
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* zwp_linux_buffer_release_v1. */
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if (!buffer->display->use_explicit_sync) {
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wl_buffer_add_listener(buffer->buffer, &buffer_listener,
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buffer);
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}
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zwp_linux_buffer_params_v1_destroy(params);
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}
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static void
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create_failed(void *data, struct zwp_linux_buffer_params_v1 *params)
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{
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struct buffer *buffer = data;
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buffer->buffer = NULL;
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running = 0;
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zwp_linux_buffer_params_v1_destroy(params);
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fprintf(stderr, "Error: zwp_linux_buffer_params.create failed.\n");
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}
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static const struct zwp_linux_buffer_params_v1_listener params_listener = {
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create_succeeded,
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create_failed
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};
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static bool
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create_fbo_for_buffer(struct display *display, struct buffer *buffer)
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{
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static const int general_attribs = 3;
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static const int plane_attribs = 5;
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static const int entries_per_attrib = 2;
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EGLint attribs[(general_attribs + plane_attribs * MAX_BUFFER_PLANES) *
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entries_per_attrib + 1];
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unsigned int atti = 0;
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attribs[atti++] = EGL_WIDTH;
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attribs[atti++] = buffer->width;
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attribs[atti++] = EGL_HEIGHT;
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attribs[atti++] = buffer->height;
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attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
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attribs[atti++] = buffer->format;
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#define ADD_PLANE_ATTRIBS(plane_idx) { \
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attribs[atti++] = EGL_DMA_BUF_PLANE ## plane_idx ## _FD_EXT; \
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attribs[atti++] = buffer->dmabuf_fds[plane_idx]; \
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attribs[atti++] = EGL_DMA_BUF_PLANE ## plane_idx ## _OFFSET_EXT; \
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attribs[atti++] = (int) buffer->offsets[plane_idx]; \
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attribs[atti++] = EGL_DMA_BUF_PLANE ## plane_idx ## _PITCH_EXT; \
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attribs[atti++] = (int) buffer->strides[plane_idx]; \
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if (display->egl.has_dma_buf_import_modifiers) { \
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attribs[atti++] = EGL_DMA_BUF_PLANE ## plane_idx ## _MODIFIER_LO_EXT; \
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attribs[atti++] = buffer->modifier & 0xFFFFFFFF; \
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attribs[atti++] = EGL_DMA_BUF_PLANE ## plane_idx ## _MODIFIER_HI_EXT; \
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attribs[atti++] = buffer->modifier >> 32; \
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} \
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}
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if (buffer->plane_count > 0)
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ADD_PLANE_ATTRIBS(0);
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if (buffer->plane_count > 1)
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ADD_PLANE_ATTRIBS(1);
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if (buffer->plane_count > 2)
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ADD_PLANE_ATTRIBS(2);
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if (buffer->plane_count > 3)
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ADD_PLANE_ATTRIBS(3);
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#undef ADD_PLANE_ATTRIBS
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attribs[atti] = EGL_NONE;
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assert(atti < ARRAY_LENGTH(attribs));
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buffer->egl_image = display->egl.create_image(display->egl.display,
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EGL_NO_CONTEXT,
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EGL_LINUX_DMA_BUF_EXT,
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NULL, attribs);
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if (buffer->egl_image == EGL_NO_IMAGE_KHR) {
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fprintf(stderr, "EGLImageKHR creation failed\n");
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return false;
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}
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eglMakeCurrent(display->egl.display, EGL_NO_SURFACE, EGL_NO_SURFACE,
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display->egl.context);
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glGenTextures(1, &buffer->gl_texture);
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glBindTexture(GL_TEXTURE_2D, buffer->gl_texture);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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display->egl.image_target_texture_2d(GL_TEXTURE_2D, buffer->egl_image);
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glGenFramebuffers(1, &buffer->gl_fbo);
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glBindFramebuffer(GL_FRAMEBUFFER, buffer->gl_fbo);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
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GL_TEXTURE_2D, buffer->gl_texture, 0);
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if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
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fprintf(stderr, "FBO creation failed\n");
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return false;
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}
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return true;
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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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/* Y-Invert the buffer image, since we are going to renderer to the
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* buffer through a FBO. */
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static const uint32_t flags = ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_Y_INVERT;
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struct zwp_linux_buffer_params_v1 *params;
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int i;
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buffer->display = display;
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buffer->width = width;
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buffer->height = height;
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buffer->format = BUFFER_FORMAT;
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buffer->release_fence_fd = -1;
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#ifdef HAVE_GBM_MODIFIERS
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if (display->modifiers_count > 0) {
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buffer->bo = gbm_bo_create_with_modifiers(display->gbm.device,
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buffer->width,
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buffer->height,
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buffer->format,
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display->modifiers,
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display->modifiers_count);
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if (buffer->bo)
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buffer->modifier = gbm_bo_get_modifier(buffer->bo);
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}
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#endif
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if (!buffer->bo) {
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buffer->bo = gbm_bo_create(display->gbm.device,
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buffer->width,
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buffer->height,
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buffer->format,
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GBM_BO_USE_RENDERING);
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buffer->modifier = DRM_FORMAT_MOD_INVALID;
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}
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if (!buffer->bo) {
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fprintf(stderr, "create_bo failed\n");
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goto error;
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}
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#ifdef HAVE_GBM_MODIFIERS
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buffer->plane_count = gbm_bo_get_plane_count(buffer->bo);
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for (i = 0; i < buffer->plane_count; ++i) {
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int ret;
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union gbm_bo_handle handle;
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handle = gbm_bo_get_handle_for_plane(buffer->bo, i);
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if (handle.s32 == -1) {
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fprintf(stderr, "error: failed to get gbm_bo_handle\n");
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goto error;
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}
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ret = drmPrimeHandleToFD(display->gbm.drm_fd, handle.u32, 0,
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&buffer->dmabuf_fds[i]);
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if (ret < 0 || buffer->dmabuf_fds[i] < 0) {
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fprintf(stderr, "error: failed to get dmabuf_fd\n");
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goto error;
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}
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buffer->strides[i] = gbm_bo_get_stride_for_plane(buffer->bo, i);
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buffer->offsets[i] = gbm_bo_get_offset(buffer->bo, i);
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}
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#else
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buffer->plane_count = 1;
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buffer->strides[0] = gbm_bo_get_stride(buffer->bo);
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buffer->dmabuf_fds[0] = gbm_bo_get_fd(buffer->bo);
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if (buffer->dmabuf_fds[0] < 0) {
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fprintf(stderr, "error: failed to get dmabuf_fd\n");
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goto error;
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}
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#endif
|
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params = zwp_linux_dmabuf_v1_create_params(display->dmabuf);
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for (i = 0; i < buffer->plane_count; ++i) {
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zwp_linux_buffer_params_v1_add(params,
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buffer->dmabuf_fds[i],
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i,
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buffer->offsets[i],
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buffer->strides[i],
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buffer->modifier >> 32,
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buffer->modifier & 0xffffffff);
|
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}
|
|
|
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zwp_linux_buffer_params_v1_add_listener(params, ¶ms_listener, buffer);
|
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if (display->req_dmabuf_immediate) {
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buffer->buffer =
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zwp_linux_buffer_params_v1_create_immed(params,
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buffer->width,
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buffer->height,
|
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buffer->format,
|
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flags);
|
|
/* When not using explicit synchronization listen to
|
|
* wl_buffer.release for release notifications, otherwise we
|
|
* are going to use zwp_linux_buffer_release_v1. */
|
|
if (!buffer->display->use_explicit_sync) {
|
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wl_buffer_add_listener(buffer->buffer,
|
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&buffer_listener,
|
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buffer);
|
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}
|
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}
|
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else {
|
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zwp_linux_buffer_params_v1_create(params,
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buffer->width,
|
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buffer->height,
|
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buffer->format,
|
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flags);
|
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}
|
|
|
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if (!create_fbo_for_buffer(display, buffer))
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goto error;
|
|
|
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return 0;
|
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|
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error:
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buffer_free(buffer);
|
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return -1;
|
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}
|
|
|
|
static void
|
|
xdg_surface_handle_configure(void *data, struct zxdg_surface_v6 *surface,
|
|
uint32_t serial)
|
|
{
|
|
struct window *window = data;
|
|
|
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zxdg_surface_v6_ack_configure(surface, serial);
|
|
|
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if (window->initialized && window->wait_for_configure)
|
|
redraw(window, NULL, 0);
|
|
window->wait_for_configure = false;
|
|
}
|
|
|
|
static const struct zxdg_surface_v6_listener xdg_surface_listener = {
|
|
xdg_surface_handle_configure,
|
|
};
|
|
|
|
static void
|
|
xdg_toplevel_handle_configure(void *data, struct zxdg_toplevel_v6 *toplevel,
|
|
int32_t width, int32_t height,
|
|
struct wl_array *states)
|
|
{
|
|
}
|
|
|
|
static void
|
|
xdg_toplevel_handle_close(void *data, struct zxdg_toplevel_v6 *xdg_toplevel)
|
|
{
|
|
running = 0;
|
|
}
|
|
|
|
static const struct zxdg_toplevel_v6_listener xdg_toplevel_listener = {
|
|
xdg_toplevel_handle_configure,
|
|
xdg_toplevel_handle_close,
|
|
};
|
|
|
|
static const char *vert_shader_text =
|
|
"uniform float offset;\n"
|
|
"attribute vec4 pos;\n"
|
|
"attribute vec4 color;\n"
|
|
"varying vec4 v_color;\n"
|
|
"void main() {\n"
|
|
" gl_Position = pos + vec4(offset, offset, 0.0, 0.0);\n"
|
|
" v_color = color;\n"
|
|
"}\n";
|
|
|
|
static const char *frag_shader_text =
|
|
"precision mediump float;\n"
|
|
"varying vec4 v_color;\n"
|
|
"void main() {\n"
|
|
" gl_FragColor = v_color;\n"
|
|
"}\n";
|
|
|
|
static const char *vert_shader_mandelbrot_text =
|
|
"uniform float offset;\n"
|
|
"attribute vec4 pos;\n"
|
|
"varying vec2 v_pos;\n"
|
|
"void main() {\n"
|
|
" v_pos = pos.xy;\n"
|
|
" gl_Position = pos + vec4(offset, offset, 0.0, 0.0);\n"
|
|
"}\n";
|
|
|
|
|
|
/* Mandelbrot set shader using the escape time algorithm. */
|
|
static const char *frag_shader_mandelbrot_text =
|
|
"precision mediump float;\n"
|
|
"varying vec2 v_pos;\n"
|
|
"void main() {\n"
|
|
" const int max_iteration = 500;\n"
|
|
" // Scale and translate position to get a nice mandelbrot drawing for\n"
|
|
" // the used v_pos x and y range (-0.5 to 0.5).\n"
|
|
" float x0 = 3.0 * v_pos.x - 0.5;\n"
|
|
" float y0 = 3.0 * v_pos.y;\n"
|
|
" float x = 0.0;\n"
|
|
" float y = 0.0;\n"
|
|
" int iteration = 0;\n"
|
|
" while (x * x + y * y <= 4.0 && iteration < max_iteration) {\n"
|
|
" float xtemp = x * x - y * y + x0;\n"
|
|
" y = 2.0 * x * y + y0;\n"
|
|
" x = xtemp;\n"
|
|
" ++iteration;\n"
|
|
" }\n"
|
|
" float red = iteration == max_iteration ?\n"
|
|
" 0.0 : 1.0 - fract(float(iteration) / 20.0);\n"
|
|
" gl_FragColor = vec4(red, 0.0, 0.0, 1.0);\n"
|
|
"}\n";
|
|
|
|
static GLuint
|
|
create_shader(const char *source, GLenum shader_type)
|
|
{
|
|
GLuint shader;
|
|
GLint status;
|
|
|
|
shader = glCreateShader(shader_type);
|
|
assert(shader != 0);
|
|
|
|
glShaderSource(shader, 1, (const char **) &source, NULL);
|
|
glCompileShader(shader);
|
|
|
|
glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
|
|
if (!status) {
|
|
char log[1000];
|
|
GLsizei len;
|
|
glGetShaderInfoLog(shader, 1000, &len, log);
|
|
fprintf(stderr, "Error: compiling %s: %*s\n",
|
|
shader_type == GL_VERTEX_SHADER ? "vertex" : "fragment",
|
|
len, log);
|
|
return 0;
|
|
}
|
|
|
|
return shader;
|
|
}
|
|
|
|
static GLuint
|
|
create_and_link_program(GLuint vert, GLuint frag)
|
|
{
|
|
GLint status;
|
|
GLuint program = glCreateProgram();
|
|
|
|
glAttachShader(program, vert);
|
|
glAttachShader(program, frag);
|
|
glLinkProgram(program);
|
|
|
|
glGetProgramiv(program, GL_LINK_STATUS, &status);
|
|
if (!status) {
|
|
char log[1000];
|
|
GLsizei len;
|
|
glGetProgramInfoLog(program, 1000, &len, log);
|
|
fprintf(stderr, "Error: linking:\n%*s\n", len, log);
|
|
return 0;
|
|
}
|
|
|
|
return program;
|
|
}
|
|
|
|
static bool
|
|
window_set_up_gl(struct window *window)
|
|
{
|
|
GLuint vert = create_shader(
|
|
window->render_mandelbrot ? vert_shader_mandelbrot_text :
|
|
vert_shader_text,
|
|
GL_VERTEX_SHADER);
|
|
GLuint frag = create_shader(
|
|
window->render_mandelbrot ? frag_shader_mandelbrot_text :
|
|
frag_shader_text,
|
|
GL_FRAGMENT_SHADER);
|
|
|
|
window->gl.program = create_and_link_program(vert, frag);
|
|
|
|
glDeleteShader(vert);
|
|
glDeleteShader(frag);
|
|
|
|
window->gl.pos = glGetAttribLocation(window->gl.program, "pos");
|
|
window->gl.color = glGetAttribLocation(window->gl.program, "color");
|
|
|
|
glUseProgram(window->gl.program);
|
|
|
|
window->gl.offset_uniform =
|
|
glGetUniformLocation(window->gl.program, "offset");
|
|
|
|
return window->gl.program != 0;
|
|
}
|
|
|
|
static void
|
|
destroy_window(struct window *window)
|
|
{
|
|
int i;
|
|
|
|
if (window->gl.program)
|
|
glDeleteProgram(window->gl.program);
|
|
|
|
if (window->callback)
|
|
wl_callback_destroy(window->callback);
|
|
|
|
for (i = 0; i < NUM_BUFFERS; i++) {
|
|
if (window->buffers[i].buffer)
|
|
buffer_free(&window->buffers[i]);
|
|
}
|
|
|
|
if (window->xdg_toplevel)
|
|
zxdg_toplevel_v6_destroy(window->xdg_toplevel);
|
|
if (window->xdg_surface)
|
|
zxdg_surface_v6_destroy(window->xdg_surface);
|
|
if (window->surface_sync)
|
|
zwp_linux_surface_synchronization_v1_destroy(window->surface_sync);
|
|
wl_surface_destroy(window->surface);
|
|
free(window);
|
|
}
|
|
|
|
static struct window *
|
|
create_window(struct display *display, int width, int height, int opts)
|
|
{
|
|
struct window *window;
|
|
int i;
|
|
int ret;
|
|
|
|
window = zalloc(sizeof *window);
|
|
if (!window)
|
|
return NULL;
|
|
|
|
window->callback = NULL;
|
|
window->display = display;
|
|
window->width = width;
|
|
window->height = height;
|
|
window->surface = wl_compositor_create_surface(display->compositor);
|
|
|
|
if (display->shell) {
|
|
window->xdg_surface =
|
|
zxdg_shell_v6_get_xdg_surface(display->shell,
|
|
window->surface);
|
|
|
|
assert(window->xdg_surface);
|
|
|
|
zxdg_surface_v6_add_listener(window->xdg_surface,
|
|
&xdg_surface_listener, window);
|
|
|
|
window->xdg_toplevel =
|
|
zxdg_surface_v6_get_toplevel(window->xdg_surface);
|
|
|
|
assert(window->xdg_toplevel);
|
|
|
|
zxdg_toplevel_v6_add_listener(window->xdg_toplevel,
|
|
&xdg_toplevel_listener, window);
|
|
|
|
zxdg_toplevel_v6_set_title(window->xdg_toplevel, "simple-dmabuf-egl");
|
|
|
|
window->wait_for_configure = true;
|
|
wl_surface_commit(window->surface);
|
|
} else if (display->fshell) {
|
|
zwp_fullscreen_shell_v1_present_surface(display->fshell,
|
|
window->surface,
|
|
ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_DEFAULT,
|
|
NULL);
|
|
} else {
|
|
assert(0);
|
|
}
|
|
|
|
if (display->explicit_sync) {
|
|
window->surface_sync =
|
|
zwp_linux_explicit_synchronization_v1_get_synchronization(
|
|
display->explicit_sync, window->surface);
|
|
assert(window->surface_sync);
|
|
}
|
|
|
|
for (i = 0; i < NUM_BUFFERS; ++i) {
|
|
int j;
|
|
for (j = 0; j < MAX_BUFFER_PLANES; ++j)
|
|
window->buffers[i].dmabuf_fds[j] = -1;
|
|
|
|
}
|
|
|
|
for (i = 0; i < NUM_BUFFERS; ++i) {
|
|
ret = create_dmabuf_buffer(display, &window->buffers[i],
|
|
width, height);
|
|
|
|
if (ret < 0)
|
|
goto error;
|
|
}
|
|
|
|
window->render_mandelbrot = opts & OPT_MANDELBROT;
|
|
|
|
if (!window_set_up_gl(window))
|
|
goto error;
|
|
|
|
return window;
|
|
|
|
error:
|
|
if (window)
|
|
destroy_window(window);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
create_egl_fence_fd(struct window *window)
|
|
{
|
|
struct display *d = window->display;
|
|
EGLSyncKHR sync = d->egl.create_sync(d->egl.display,
|
|
EGL_SYNC_NATIVE_FENCE_ANDROID,
|
|
NULL);
|
|
int fd;
|
|
|
|
assert(sync != EGL_NO_SYNC_KHR);
|
|
/* We need to flush before we can get the fence fd. */
|
|
glFlush();
|
|
fd = d->egl.dup_native_fence_fd(d->egl.display, sync);
|
|
assert(fd >= 0);
|
|
|
|
d->egl.destroy_sync(d->egl.display, sync);
|
|
|
|
return fd;
|
|
}
|
|
|
|
static struct buffer *
|
|
window_next_buffer(struct window *window)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < NUM_BUFFERS; i++)
|
|
if (!window->buffers[i].busy)
|
|
return &window->buffers[i];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static const struct wl_callback_listener frame_listener;
|
|
|
|
/* Renders a square moving from the lower left corner to the
|
|
* upper right corner of the window. The square's vertices have
|
|
* the following colors:
|
|
*
|
|
* green +-----+ yellow
|
|
* | |
|
|
* | |
|
|
* red +-----+ blue
|
|
*/
|
|
static void
|
|
render(struct window *window, struct buffer *buffer)
|
|
{
|
|
/* Complete a movement iteration in 5000 ms. */
|
|
static const uint64_t iteration_ms = 5000;
|
|
static const GLfloat verts[4][2] = {
|
|
{ -0.5, -0.5 },
|
|
{ -0.5, 0.5 },
|
|
{ 0.5, -0.5 },
|
|
{ 0.5, 0.5 }
|
|
};
|
|
static const GLfloat colors[4][3] = {
|
|
{ 1, 0, 0 },
|
|
{ 0, 1, 0 },
|
|
{ 0, 0, 1 },
|
|
{ 1, 1, 0 }
|
|
};
|
|
GLfloat offset;
|
|
struct timeval tv;
|
|
uint64_t time_ms;
|
|
|
|
gettimeofday(&tv, NULL);
|
|
time_ms = tv.tv_sec * 1000 + tv.tv_usec / 1000;
|
|
|
|
/* Split time_ms in repeating windows of [0, iteration_ms) and map them
|
|
* to offsets in the [-0.5, 0.5) range. */
|
|
offset = (time_ms % iteration_ms) / (float) iteration_ms - 0.5;
|
|
|
|
/* Direct all GL draws to the buffer through the FBO */
|
|
glBindFramebuffer(GL_FRAMEBUFFER, buffer->gl_fbo);
|
|
|
|
glViewport(0, 0, window->width, window->height);
|
|
|
|
glUniform1f(window->gl.offset_uniform, offset);
|
|
|
|
glClearColor(0.0,0.0, 0.0, 1.0);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
glVertexAttribPointer(window->gl.pos, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glVertexAttribPointer(window->gl.color, 3, GL_FLOAT, GL_FALSE, 0, colors);
|
|
glEnableVertexAttribArray(window->gl.pos);
|
|
glEnableVertexAttribArray(window->gl.color);
|
|
|
|
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
|
|
|
glDisableVertexAttribArray(window->gl.pos);
|
|
glDisableVertexAttribArray(window->gl.color);
|
|
}
|
|
|
|
static void
|
|
render_mandelbrot(struct window *window, struct buffer *buffer)
|
|
{
|
|
/* Complete a movement iteration in 5000 ms. */
|
|
static const uint64_t iteration_ms = 5000;
|
|
/* Split drawing in a square grid consisting of grid_side * grid_side
|
|
* cells. */
|
|
static const int grid_side = 4;
|
|
GLfloat norm_cell_side = 1.0 / grid_side;
|
|
int num_cells = grid_side * grid_side;
|
|
GLfloat offset;
|
|
struct timeval tv;
|
|
uint64_t time_ms;
|
|
int i;
|
|
|
|
gettimeofday(&tv, NULL);
|
|
time_ms = tv.tv_sec * 1000 + tv.tv_usec / 1000;
|
|
|
|
/* Split time_ms in repeating windows of [0, iteration_ms) and map them
|
|
* to offsets in the [-0.5, 0.5) range. */
|
|
offset = (time_ms % iteration_ms) / (float) iteration_ms - 0.5;
|
|
|
|
/* Direct all GL draws to the buffer through the FBO */
|
|
glBindFramebuffer(GL_FRAMEBUFFER, buffer->gl_fbo);
|
|
|
|
glViewport(0, 0, window->width, window->height);
|
|
|
|
glUniform1f(window->gl.offset_uniform, offset);
|
|
|
|
glClearColor(0.6, 0.6, 0.6, 1.0);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
for (i = 0; i < num_cells; ++i) {
|
|
/* Calculate the vertex coordinates of the current grid cell. */
|
|
int row = i / grid_side;
|
|
int col = i % grid_side;
|
|
GLfloat left = -0.5 + norm_cell_side * col;
|
|
GLfloat right = left + norm_cell_side;
|
|
GLfloat top = 0.5 - norm_cell_side * row;
|
|
GLfloat bottom = top - norm_cell_side;
|
|
GLfloat verts[4][2] = {
|
|
{ left, bottom },
|
|
{ left, top },
|
|
{ right, bottom },
|
|
{ right, top }
|
|
};
|
|
|
|
/* ... and draw it. */
|
|
glVertexAttribPointer(window->gl.pos, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glEnableVertexAttribArray(window->gl.pos);
|
|
|
|
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
|
|
|
glDisableVertexAttribArray(window->gl.pos);
|
|
}
|
|
}
|
|
|
|
static void
|
|
buffer_fenced_release(void *data,
|
|
struct zwp_linux_buffer_release_v1 *release,
|
|
int32_t fence)
|
|
{
|
|
struct buffer *buffer = data;
|
|
|
|
assert(release == buffer->buffer_release);
|
|
assert(buffer->release_fence_fd == -1);
|
|
|
|
buffer->busy = 0;
|
|
buffer->release_fence_fd = fence;
|
|
zwp_linux_buffer_release_v1_destroy(buffer->buffer_release);
|
|
buffer->buffer_release = NULL;
|
|
}
|
|
|
|
static void
|
|
buffer_immediate_release(void *data,
|
|
struct zwp_linux_buffer_release_v1 *release)
|
|
{
|
|
struct buffer *buffer = data;
|
|
|
|
assert(release == buffer->buffer_release);
|
|
assert(buffer->release_fence_fd == -1);
|
|
|
|
buffer->busy = 0;
|
|
zwp_linux_buffer_release_v1_destroy(buffer->buffer_release);
|
|
buffer->buffer_release = NULL;
|
|
}
|
|
|
|
static const struct zwp_linux_buffer_release_v1_listener buffer_release_listener = {
|
|
buffer_fenced_release,
|
|
buffer_immediate_release,
|
|
};
|
|
|
|
static void
|
|
wait_for_buffer_release_fence(struct buffer *buffer)
|
|
{
|
|
struct display *d = buffer->display;
|
|
EGLint attrib_list[] = {
|
|
EGL_SYNC_NATIVE_FENCE_FD_ANDROID, buffer->release_fence_fd,
|
|
EGL_NONE,
|
|
};
|
|
EGLSyncKHR sync = d->egl.create_sync(d->egl.display,
|
|
EGL_SYNC_NATIVE_FENCE_ANDROID,
|
|
attrib_list);
|
|
int ret;
|
|
|
|
assert(sync);
|
|
|
|
/* EGLSyncKHR takes ownership of the fence fd. */
|
|
buffer->release_fence_fd = -1;
|
|
|
|
if (d->egl.wait_sync)
|
|
ret = d->egl.wait_sync(d->egl.display, sync, 0);
|
|
else
|
|
ret = d->egl.client_wait_sync(d->egl.display, sync, 0,
|
|
EGL_FOREVER_KHR);
|
|
assert(ret == EGL_TRUE);
|
|
|
|
ret = d->egl.destroy_sync(d->egl.display, sync);
|
|
assert(ret == EGL_TRUE);
|
|
}
|
|
|
|
static void
|
|
redraw(void *data, struct wl_callback *callback, uint32_t time)
|
|
{
|
|
struct window *window = data;
|
|
struct buffer *buffer;
|
|
|
|
buffer = window_next_buffer(window);
|
|
if (!buffer) {
|
|
fprintf(stderr,
|
|
!callback ? "Failed to create the first buffer.\n" :
|
|
"All buffers busy at redraw(). Server bug?\n");
|
|
abort();
|
|
}
|
|
|
|
if (buffer->release_fence_fd >= 0)
|
|
wait_for_buffer_release_fence(buffer);
|
|
|
|
if (window->render_mandelbrot)
|
|
render_mandelbrot(window, buffer);
|
|
else
|
|
render(window, buffer);
|
|
|
|
if (window->display->use_explicit_sync) {
|
|
int fence_fd = create_egl_fence_fd(window);
|
|
zwp_linux_surface_synchronization_v1_set_acquire_fence(
|
|
window->surface_sync, fence_fd);
|
|
close(fence_fd);
|
|
|
|
buffer->buffer_release =
|
|
zwp_linux_surface_synchronization_v1_get_release(window->surface_sync);
|
|
zwp_linux_buffer_release_v1_add_listener(
|
|
buffer->buffer_release, &buffer_release_listener, buffer);
|
|
} else {
|
|
glFinish();
|
|
}
|
|
|
|
wl_surface_attach(window->surface, buffer->buffer, 0, 0);
|
|
wl_surface_damage(window->surface, 0, 0, window->width, window->height);
|
|
|
|
if (callback)
|
|
wl_callback_destroy(callback);
|
|
|
|
window->callback = wl_surface_frame(window->surface);
|
|
wl_callback_add_listener(window->callback, &frame_listener, window);
|
|
wl_surface_commit(window->surface);
|
|
buffer->busy = 1;
|
|
}
|
|
|
|
static const struct wl_callback_listener frame_listener = {
|
|
redraw
|
|
};
|
|
|
|
static void
|
|
dmabuf_modifiers(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf,
|
|
uint32_t format, uint32_t modifier_hi, uint32_t modifier_lo)
|
|
{
|
|
struct display *d = data;
|
|
|
|
switch (format) {
|
|
case BUFFER_FORMAT:
|
|
++d->modifiers_count;
|
|
d->modifiers = realloc(d->modifiers,
|
|
d->modifiers_count * sizeof(*d->modifiers));
|
|
d->modifiers[d->modifiers_count - 1] =
|
|
((uint64_t)modifier_hi << 32) | modifier_lo;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dmabuf_format(void *data, struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf, uint32_t format)
|
|
{
|
|
/* XXX: deprecated */
|
|
}
|
|
|
|
static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
|
|
dmabuf_format,
|
|
dmabuf_modifiers
|
|
};
|
|
|
|
static void
|
|
xdg_shell_ping(void *data, struct zxdg_shell_v6 *shell, uint32_t serial)
|
|
{
|
|
zxdg_shell_v6_pong(shell, serial);
|
|
}
|
|
|
|
static const struct zxdg_shell_v6_listener xdg_shell_listener = {
|
|
xdg_shell_ping,
|
|
};
|
|
|
|
static void
|
|
registry_handle_global(void *data, struct wl_registry *registry,
|
|
uint32_t id, const char *interface, uint32_t version)
|
|
{
|
|
struct display *d = data;
|
|
|
|
if (strcmp(interface, "wl_compositor") == 0) {
|
|
d->compositor =
|
|
wl_registry_bind(registry,
|
|
id, &wl_compositor_interface, 1);
|
|
} else if (strcmp(interface, "zxdg_shell_v6") == 0) {
|
|
d->shell = wl_registry_bind(registry,
|
|
id, &zxdg_shell_v6_interface, 1);
|
|
zxdg_shell_v6_add_listener(d->shell, &xdg_shell_listener, d);
|
|
} else if (strcmp(interface, "zwp_fullscreen_shell_v1") == 0) {
|
|
d->fshell = wl_registry_bind(registry,
|
|
id, &zwp_fullscreen_shell_v1_interface, 1);
|
|
} else if (strcmp(interface, "zwp_linux_dmabuf_v1") == 0) {
|
|
if (version < 3)
|
|
return;
|
|
d->dmabuf = wl_registry_bind(registry,
|
|
id, &zwp_linux_dmabuf_v1_interface, 3);
|
|
zwp_linux_dmabuf_v1_add_listener(d->dmabuf, &dmabuf_listener, d);
|
|
} else if (strcmp(interface, "zwp_linux_explicit_synchronization_v1") == 0) {
|
|
d->explicit_sync = wl_registry_bind(
|
|
registry, id,
|
|
&zwp_linux_explicit_synchronization_v1_interface, 1);
|
|
}
|
|
}
|
|
|
|
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 void
|
|
destroy_display(struct display *display)
|
|
{
|
|
if (display->gbm.device)
|
|
gbm_device_destroy(display->gbm.device);
|
|
|
|
if (display->gbm.drm_fd >= 0)
|
|
close(display->gbm.drm_fd);
|
|
|
|
if (display->egl.context != EGL_NO_CONTEXT)
|
|
eglDestroyContext(display->egl.display, display->egl.context);
|
|
|
|
if (display->egl.display != EGL_NO_DISPLAY)
|
|
eglTerminate(display->egl.display);
|
|
|
|
free(display->modifiers);
|
|
|
|
if (display->dmabuf)
|
|
zwp_linux_dmabuf_v1_destroy(display->dmabuf);
|
|
|
|
if (display->shell)
|
|
zxdg_shell_v6_destroy(display->shell);
|
|
|
|
if (display->fshell)
|
|
zwp_fullscreen_shell_v1_release(display->fshell);
|
|
|
|
if (display->compositor)
|
|
wl_compositor_destroy(display->compositor);
|
|
|
|
if (display->registry)
|
|
wl_registry_destroy(display->registry);
|
|
|
|
if (display->display) {
|
|
wl_display_flush(display->display);
|
|
wl_display_disconnect(display->display);
|
|
}
|
|
|
|
free(display);
|
|
}
|
|
|
|
static bool
|
|
display_set_up_egl(struct display *display)
|
|
{
|
|
static const EGLint context_attribs[] = {
|
|
EGL_CONTEXT_CLIENT_VERSION, 2,
|
|
EGL_NONE
|
|
};
|
|
EGLint major, minor;
|
|
const char *egl_extensions = NULL;
|
|
const char *gl_extensions = NULL;
|
|
|
|
display->egl.display =
|
|
weston_platform_get_egl_display(EGL_PLATFORM_GBM_KHR,
|
|
display->gbm.device, NULL);
|
|
if (display->egl.display == EGL_NO_DISPLAY) {
|
|
fprintf(stderr, "Failed to create EGLDisplay\n");
|
|
goto error;
|
|
}
|
|
|
|
if (eglInitialize(display->egl.display, &major, &minor) == EGL_FALSE) {
|
|
fprintf(stderr, "Failed to initialize EGLDisplay\n");
|
|
goto error;
|
|
}
|
|
|
|
if (eglBindAPI(EGL_OPENGL_ES_API) == EGL_FALSE) {
|
|
fprintf(stderr, "Failed to bind OpenGL ES API\n");
|
|
goto error;
|
|
}
|
|
|
|
egl_extensions = eglQueryString(display->egl.display, EGL_EXTENSIONS);
|
|
assert(egl_extensions != NULL);
|
|
|
|
if (!weston_check_egl_extension(egl_extensions,
|
|
"EGL_EXT_image_dma_buf_import")) {
|
|
fprintf(stderr, "EGL_EXT_image_dma_buf_import not supported\n");
|
|
goto error;
|
|
}
|
|
|
|
if (!weston_check_egl_extension(egl_extensions,
|
|
"EGL_KHR_surfaceless_context")) {
|
|
fprintf(stderr, "EGL_KHR_surfaceless_context not supported\n");
|
|
goto error;
|
|
}
|
|
|
|
if (!weston_check_egl_extension(egl_extensions,
|
|
"EGL_KHR_no_config_context")) {
|
|
fprintf(stderr, "EGL_KHR_no_config_context not supported\n");
|
|
goto error;
|
|
}
|
|
|
|
display->egl.context = eglCreateContext(display->egl.display,
|
|
EGL_NO_CONFIG_KHR,
|
|
EGL_NO_CONTEXT,
|
|
context_attribs);
|
|
if (display->egl.context == EGL_NO_CONTEXT) {
|
|
fprintf(stderr, "Failed to create EGLContext\n");
|
|
goto error;
|
|
}
|
|
|
|
eglMakeCurrent(display->egl.display, EGL_NO_SURFACE, EGL_NO_SURFACE,
|
|
display->egl.context);
|
|
|
|
gl_extensions = (const char *) glGetString(GL_EXTENSIONS);
|
|
assert(gl_extensions != NULL);
|
|
|
|
if (!weston_check_egl_extension(gl_extensions,
|
|
"GL_OES_EGL_image")) {
|
|
fprintf(stderr, "GL_OES_EGL_image not supported\n");
|
|
goto error;
|
|
}
|
|
|
|
if (weston_check_egl_extension(egl_extensions,
|
|
"EGL_EXT_image_dma_buf_import_modifiers")) {
|
|
display->egl.has_dma_buf_import_modifiers = true;
|
|
display->egl.query_dma_buf_modifiers =
|
|
(void *) eglGetProcAddress("eglQueryDmaBufModifiersEXT");
|
|
assert(display->egl.query_dma_buf_modifiers);
|
|
}
|
|
|
|
display->egl.create_image =
|
|
(void *) eglGetProcAddress("eglCreateImageKHR");
|
|
assert(display->egl.create_image);
|
|
|
|
display->egl.destroy_image =
|
|
(void *) eglGetProcAddress("eglDestroyImageKHR");
|
|
assert(display->egl.destroy_image);
|
|
|
|
display->egl.image_target_texture_2d =
|
|
(void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
|
|
assert(display->egl.image_target_texture_2d);
|
|
|
|
if (weston_check_egl_extension(egl_extensions, "EGL_KHR_fence_sync") &&
|
|
weston_check_egl_extension(egl_extensions,
|
|
"EGL_ANDROID_native_fence_sync")) {
|
|
display->egl.create_sync =
|
|
(void *) eglGetProcAddress("eglCreateSyncKHR");
|
|
assert(display->egl.create_sync);
|
|
|
|
display->egl.destroy_sync =
|
|
(void *) eglGetProcAddress("eglDestroySyncKHR");
|
|
assert(display->egl.destroy_sync);
|
|
|
|
display->egl.client_wait_sync =
|
|
(void *) eglGetProcAddress("eglClientWaitSyncKHR");
|
|
assert(display->egl.client_wait_sync);
|
|
|
|
display->egl.dup_native_fence_fd =
|
|
(void *) eglGetProcAddress("eglDupNativeFenceFDANDROID");
|
|
assert(display->egl.dup_native_fence_fd);
|
|
}
|
|
|
|
if (weston_check_egl_extension(egl_extensions,
|
|
"EGL_KHR_wait_sync")) {
|
|
display->egl.wait_sync =
|
|
(void *) eglGetProcAddress("eglWaitSyncKHR");
|
|
assert(display->egl.wait_sync);
|
|
}
|
|
|
|
return true;
|
|
|
|
error:
|
|
return false;
|
|
}
|
|
|
|
static bool
|
|
display_update_supported_modifiers_for_egl(struct display *d)
|
|
{
|
|
uint64_t *egl_modifiers = NULL;
|
|
int num_egl_modifiers = 0;
|
|
EGLBoolean ret;
|
|
int i;
|
|
|
|
/* If EGL doesn't support modifiers, don't use them at all. */
|
|
if (!d->egl.has_dma_buf_import_modifiers) {
|
|
d->modifiers_count = 0;
|
|
free(d->modifiers);
|
|
d->modifiers = NULL;
|
|
return true;
|
|
}
|
|
|
|
ret = d->egl.query_dma_buf_modifiers(d->egl.display,
|
|
BUFFER_FORMAT,
|
|
0, /* max_modifiers */
|
|
NULL, /* modifiers */
|
|
NULL, /* external_only */
|
|
&num_egl_modifiers);
|
|
if (ret == EGL_FALSE || num_egl_modifiers == 0) {
|
|
fprintf(stderr, "Failed to query num EGL modifiers for format\n");
|
|
goto error;
|
|
}
|
|
|
|
egl_modifiers = zalloc(num_egl_modifiers * sizeof(*egl_modifiers));
|
|
|
|
ret = d->egl.query_dma_buf_modifiers(d->egl.display,
|
|
BUFFER_FORMAT,
|
|
num_egl_modifiers,
|
|
egl_modifiers,
|
|
NULL, /* external_only */
|
|
&num_egl_modifiers);
|
|
if (ret == EGL_FALSE) {
|
|
fprintf(stderr, "Failed to query EGL modifiers for format\n");
|
|
goto error;
|
|
}
|
|
|
|
/* Poor person's set intersection: d->modifiers INTERSECT
|
|
* egl_modifiers. If a modifier is not supported, replace it with
|
|
* DRM_FORMAT_MOD_INVALID in the d->modifiers array.
|
|
*/
|
|
for (i = 0; i < d->modifiers_count; ++i) {
|
|
uint64_t mod = d->modifiers[i];
|
|
bool egl_supported = false;
|
|
int j;
|
|
|
|
for (j = 0; j < num_egl_modifiers; ++j) {
|
|
if (egl_modifiers[j] == mod) {
|
|
egl_supported = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!egl_supported)
|
|
d->modifiers[i] = DRM_FORMAT_MOD_INVALID;
|
|
}
|
|
|
|
free(egl_modifiers);
|
|
|
|
return true;
|
|
|
|
error:
|
|
free(egl_modifiers);
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool
|
|
display_set_up_gbm(struct display *display, char const* drm_render_node)
|
|
{
|
|
display->gbm.drm_fd = open(drm_render_node, O_RDWR);
|
|
if (display->gbm.drm_fd < 0) {
|
|
fprintf(stderr, "Failed to open drm render node %s\n",
|
|
drm_render_node);
|
|
return false;
|
|
}
|
|
|
|
display->gbm.device = gbm_create_device(display->gbm.drm_fd);
|
|
if (display->gbm.device == NULL) {
|
|
fprintf(stderr, "Failed to create gbm device\n");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static struct display *
|
|
create_display(char const *drm_render_node, int opts)
|
|
{
|
|
struct display *display = NULL;
|
|
|
|
display = zalloc(sizeof *display);
|
|
if (display == NULL) {
|
|
fprintf(stderr, "out of memory\n");
|
|
goto error;
|
|
}
|
|
|
|
display->gbm.drm_fd = -1;
|
|
|
|
display->display = wl_display_connect(NULL);
|
|
assert(display->display);
|
|
|
|
display->req_dmabuf_immediate = opts & OPT_IMMEDIATE;
|
|
|
|
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 zwp_linux_dmabuf global\n");
|
|
goto error;
|
|
}
|
|
|
|
wl_display_roundtrip(display->display);
|
|
|
|
if (!display->modifiers_count) {
|
|
fprintf(stderr, "format XRGB8888 is not available\n");
|
|
goto error;
|
|
}
|
|
|
|
/* GBM needs to be initialized before EGL, so that we have a valid
|
|
* render node gbm_device to create the EGL display from. */
|
|
if (!display_set_up_gbm(display, drm_render_node))
|
|
goto error;
|
|
|
|
if (!display_set_up_egl(display))
|
|
goto error;
|
|
|
|
if (!display_update_supported_modifiers_for_egl(display))
|
|
goto error;
|
|
|
|
/* We use explicit synchronization only if the user hasn't disabled it,
|
|
* the compositor supports it, we can handle fence fds. */
|
|
display->use_explicit_sync =
|
|
!(opts & OPT_IMPLICIT_SYNC) &&
|
|
display->explicit_sync &&
|
|
display->egl.dup_native_fence_fd;
|
|
|
|
if (opts & OPT_IMPLICIT_SYNC) {
|
|
fprintf(stderr, "Warning: Not using explicit sync, disabled by user\n");
|
|
} else if (!display->explicit_sync) {
|
|
fprintf(stderr,
|
|
"Warning: zwp_linux_explicit_synchronization_v1 not supported,\n"
|
|
" will not use explicit synchronization\n");
|
|
} else if (!display->egl.dup_native_fence_fd) {
|
|
fprintf(stderr,
|
|
"Warning: EGL_ANDROID_native_fence_sync not supported,\n"
|
|
" will not use explicit synchronization\n");
|
|
} else if (!display->egl.wait_sync) {
|
|
fprintf(stderr,
|
|
"Warning: EGL_KHR_wait_sync not supported,\n"
|
|
" will not use server-side wait\n");
|
|
}
|
|
|
|
return display;
|
|
|
|
error:
|
|
if (display != NULL)
|
|
destroy_display(display);
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
signal_int(int signum)
|
|
{
|
|
running = 0;
|
|
}
|
|
|
|
static void
|
|
print_usage_and_exit(void)
|
|
{
|
|
printf("usage flags:\n"
|
|
"\t'-i,--import-immediate=<>'"
|
|
"\n\t\t0 to import dmabuf via roundtrip, "
|
|
"\n\t\t1 to enable import without roundtrip\n"
|
|
"\t'-d,--drm-render-node=<>'"
|
|
"\n\t\tthe full path to the drm render node to use\n"
|
|
"\t'-s,--size=<>'"
|
|
"\n\t\tthe window size in pixels (default: 256)\n"
|
|
"\t'-e,--explicit-sync=<>'"
|
|
"\n\t\t0 to disable explicit sync, "
|
|
"\n\t\t1 to enable explicit sync (default: 1)\n"
|
|
"\t'-m,--mandelbrot'"
|
|
"\n\t\trender a mandelbrot set with multiple draw calls\n");
|
|
exit(0);
|
|
}
|
|
|
|
static int
|
|
is_true(const char* c)
|
|
{
|
|
if (!strcmp(c, "1"))
|
|
return 1;
|
|
else if (!strcmp(c, "0"))
|
|
return 0;
|
|
else
|
|
print_usage_and_exit();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
struct sigaction sigint;
|
|
struct display *display;
|
|
struct window *window;
|
|
int opts = 0;
|
|
char const *drm_render_node = "/dev/dri/renderD128";
|
|
int c, option_index, ret = 0;
|
|
int window_size = 256;
|
|
|
|
static struct option long_options[] = {
|
|
{"import-immediate", required_argument, 0, 'i' },
|
|
{"drm-render-node", required_argument, 0, 'd' },
|
|
{"size", required_argument, 0, 's' },
|
|
{"explicit-sync", required_argument, 0, 'e' },
|
|
{"mandelbrot", no_argument, 0, 'm' },
|
|
{"help", no_argument , 0, 'h' },
|
|
{0, 0, 0, 0}
|
|
};
|
|
|
|
while ((c = getopt_long(argc, argv, "hi:d:s:e:m",
|
|
long_options, &option_index)) != -1) {
|
|
switch (c) {
|
|
case 'i':
|
|
if (is_true(optarg))
|
|
opts |= OPT_IMMEDIATE;
|
|
break;
|
|
case 'd':
|
|
drm_render_node = optarg;
|
|
break;
|
|
case 's':
|
|
window_size = strtol(optarg, NULL, 10);
|
|
break;
|
|
case 'e':
|
|
if (!is_true(optarg))
|
|
opts |= OPT_IMPLICIT_SYNC;
|
|
break;
|
|
case 'm':
|
|
opts |= OPT_MANDELBROT;
|
|
break;
|
|
default:
|
|
print_usage_and_exit();
|
|
}
|
|
}
|
|
|
|
display = create_display(drm_render_node, opts);
|
|
if (!display)
|
|
return 1;
|
|
window = create_window(display, window_size, window_size, opts);
|
|
if (!window)
|
|
return 1;
|
|
|
|
sigint.sa_handler = signal_int;
|
|
sigemptyset(&sigint.sa_mask);
|
|
sigint.sa_flags = SA_RESETHAND;
|
|
sigaction(SIGINT, &sigint, NULL);
|
|
|
|
/* Here we retrieve the linux-dmabuf objects if executed without immed,
|
|
* or error */
|
|
wl_display_roundtrip(display->display);
|
|
|
|
if (!running)
|
|
return 1;
|
|
|
|
window->initialized = true;
|
|
|
|
if (!window->wait_for_configure)
|
|
redraw(window, NULL, 0);
|
|
|
|
while (running && ret != -1)
|
|
ret = wl_display_dispatch(display->display);
|
|
|
|
fprintf(stderr, "simple-dmabuf-egl exiting\n");
|
|
destroy_window(window);
|
|
destroy_display(display);
|
|
|
|
return 0;
|
|
}
|