/* * Copyright © 2011-2012 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Kristian Høgsberg * Benjamin Franzke */ #include #include #include #include #include #include #include #include #include "egl_dri2.h" #include "egl_dri2_fallbacks.h" #include "loader.h" #include #include "wayland-drm-client-protocol.h" enum wl_drm_format_flags { HAS_ARGB8888 = 1, HAS_XRGB8888 = 2, HAS_RGB565 = 4, }; static EGLBoolean dri2_wl_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, EGLint interval); static void sync_callback(void *data, struct wl_callback *callback, uint32_t serial) { int *done = data; *done = 1; wl_callback_destroy(callback); } static const struct wl_callback_listener sync_listener = { sync_callback }; static int roundtrip(struct dri2_egl_display *dri2_dpy) { struct wl_callback *callback; int done = 0, ret = 0; callback = wl_display_sync(dri2_dpy->wl_dpy); wl_callback_add_listener(callback, &sync_listener, &done); wl_proxy_set_queue((struct wl_proxy *) callback, dri2_dpy->wl_queue); while (ret != -1 && !done) ret = wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue); if (!done) wl_callback_destroy(callback); return ret; } static void wl_buffer_release(void *data, struct wl_buffer *buffer) { struct dri2_egl_surface *dri2_surf = data; int i; for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); ++i) if (dri2_surf->color_buffers[i].wl_buffer == buffer) break; if (i == ARRAY_SIZE(dri2_surf->color_buffers)) { wl_buffer_destroy(buffer); return; } dri2_surf->color_buffers[i].locked = 0; } static struct wl_buffer_listener wl_buffer_listener = { wl_buffer_release }; static void resize_callback(struct wl_egl_window *wl_win, void *data) { struct dri2_egl_surface *dri2_surf = data; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable); } /** * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). */ static _EGLSurface * dri2_wl_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type, _EGLConfig *conf, void *native_window, const EGLint *attrib_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_config *dri2_conf = dri2_egl_config(conf); struct wl_egl_window *window = native_window; struct dri2_egl_surface *dri2_surf; (void) drv; dri2_surf = malloc(sizeof *dri2_surf); if (!dri2_surf) { _eglError(EGL_BAD_ALLOC, "dri2_create_surface"); return NULL; } memset(dri2_surf, 0, sizeof *dri2_surf); if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list)) goto cleanup_surf; if (conf->RedSize == 5) dri2_surf->format = WL_DRM_FORMAT_RGB565; else if (conf->AlphaSize == 0) dri2_surf->format = WL_DRM_FORMAT_XRGB8888; else dri2_surf->format = WL_DRM_FORMAT_ARGB8888; switch (type) { case EGL_WINDOW_BIT: dri2_surf->wl_win = window; dri2_surf->wl_win->private = dri2_surf; dri2_surf->wl_win->resize_callback = resize_callback; dri2_surf->base.Width = -1; dri2_surf->base.Height = -1; break; default: goto cleanup_surf; } dri2_surf->dri_drawable = (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen, type == EGL_WINDOW_BIT ? dri2_conf->dri_double_config : dri2_conf->dri_single_config, dri2_surf); if (dri2_surf->dri_drawable == NULL) { _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable"); goto cleanup_dri_drawable; } return &dri2_surf->base; cleanup_dri_drawable: dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable); cleanup_surf: free(dri2_surf); return NULL; } /** * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). */ static _EGLSurface * dri2_wl_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, void *native_window, const EGLint *attrib_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); _EGLSurface *surf; surf = dri2_wl_create_surface(drv, disp, EGL_WINDOW_BIT, conf, native_window, attrib_list); if (surf != NULL) dri2_wl_swap_interval(drv, disp, surf, dri2_dpy->default_swap_interval); return surf; } static _EGLSurface * dri2_wl_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, void *native_window, const EGLint *attrib_list) { /* From the EGL_EXT_platform_wayland spec, version 3: * * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a * that belongs to Wayland. Any such call fails and generates * EGL_BAD_PARAMETER. */ _eglError(EGL_BAD_PARAMETER, "cannot create EGL pixmap surfaces on " "Wayland"); return NULL; } /** * Called via eglDestroySurface(), drv->API.DestroySurface(). */ static EGLBoolean dri2_wl_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); int i; (void) drv; if (!_eglPutSurface(surf)) return EGL_TRUE; (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable); for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { if (dri2_surf->color_buffers[i].wl_buffer) wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer); if (dri2_surf->color_buffers[i].dri_image) dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image); } for (i = 0; i < __DRI_BUFFER_COUNT; i++) if (dri2_surf->dri_buffers[i] && dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT) dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, dri2_surf->dri_buffers[i]); if (dri2_surf->throttle_callback) wl_callback_destroy(dri2_surf->throttle_callback); if (dri2_surf->base.Type == EGL_WINDOW_BIT) { dri2_surf->wl_win->private = NULL; dri2_surf->wl_win->resize_callback = NULL; } free(surf); return EGL_TRUE; } static void dri2_wl_release_buffers(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); int i; for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { if (dri2_surf->color_buffers[i].wl_buffer && !dri2_surf->color_buffers[i].locked) wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer); if (dri2_surf->color_buffers[i].dri_image) dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image); dri2_surf->color_buffers[i].wl_buffer = NULL; dri2_surf->color_buffers[i].dri_image = NULL; dri2_surf->color_buffers[i].locked = 0; } for (i = 0; i < __DRI_BUFFER_COUNT; i++) if (dri2_surf->dri_buffers[i] && dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT) dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, dri2_surf->dri_buffers[i]); } static int get_back_bo(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); int i; /* We always want to throttle to some event (either a frame callback or * a sync request) after the commit so that we can be sure the * compositor has had a chance to handle it and send us a release event * before we look for a free buffer */ while (dri2_surf->throttle_callback != NULL) if (wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue) == -1) return -1; if (dri2_surf->back == NULL) { for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { /* Get an unlocked buffer, preferrably one with a dri_buffer * already allocated. */ if (dri2_surf->color_buffers[i].locked) continue; if (dri2_surf->back == NULL) dri2_surf->back = &dri2_surf->color_buffers[i]; else if (dri2_surf->back->dri_image == NULL) dri2_surf->back = &dri2_surf->color_buffers[i]; } } if (dri2_surf->back == NULL) return -1; if (dri2_surf->back->dri_image == NULL) { dri2_surf->back->dri_image = dri2_dpy->image->createImage(dri2_dpy->dri_screen, dri2_surf->base.Width, dri2_surf->base.Height, __DRI_IMAGE_FORMAT_ARGB8888, __DRI_IMAGE_USE_SHARE, NULL); dri2_surf->back->age = 0; } if (dri2_surf->back->dri_image == NULL) return -1; dri2_surf->back->locked = 1; return 0; } static void back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); __DRIimage *image; int name, pitch; image = dri2_surf->back->dri_image; dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name); dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch); buffer->attachment = __DRI_BUFFER_BACK_LEFT; buffer->name = name; buffer->pitch = pitch; buffer->cpp = 4; buffer->flags = 0; } static int get_aux_bo(struct dri2_egl_surface *dri2_surf, unsigned int attachment, unsigned int format, __DRIbuffer *buffer) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); __DRIbuffer *b = dri2_surf->dri_buffers[attachment]; if (b == NULL) { b = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, attachment, format, dri2_surf->base.Width, dri2_surf->base.Height); dri2_surf->dri_buffers[attachment] = b; } if (b == NULL) return -1; memcpy(buffer, b, sizeof *buffer); return 0; } static int update_buffers(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); int i; if (dri2_surf->base.Type == EGL_WINDOW_BIT && (dri2_surf->base.Width != dri2_surf->wl_win->width || dri2_surf->base.Height != dri2_surf->wl_win->height)) { dri2_wl_release_buffers(dri2_surf); dri2_surf->base.Width = dri2_surf->wl_win->width; dri2_surf->base.Height = dri2_surf->wl_win->height; dri2_surf->dx = dri2_surf->wl_win->dx; dri2_surf->dy = dri2_surf->wl_win->dy; } if (get_back_bo(dri2_surf) < 0) { _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer"); return -1; } /* If we have an extra unlocked buffer at this point, we had to do triple * buffering for a while, but now can go back to just double buffering. * That means we can free any unlocked buffer now. */ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) { if (!dri2_surf->color_buffers[i].locked && dri2_surf->color_buffers[i].wl_buffer) { wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer); dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image); dri2_surf->color_buffers[i].wl_buffer = NULL; dri2_surf->color_buffers[i].dri_image = NULL; } } return 0; } static __DRIbuffer * dri2_wl_get_buffers_with_format(__DRIdrawable * driDrawable, int *width, int *height, unsigned int *attachments, int count, int *out_count, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; int i, j; if (update_buffers(dri2_surf) < 0) return NULL; for (i = 0, j = 0; i < 2 * count; i += 2, j++) { switch (attachments[i]) { case __DRI_BUFFER_BACK_LEFT: back_bo_to_dri_buffer(dri2_surf, &dri2_surf->buffers[j]); break; default: if (get_aux_bo(dri2_surf, attachments[i], attachments[i + 1], &dri2_surf->buffers[j]) < 0) { _eglError(EGL_BAD_ALLOC, "failed to allocate aux buffer"); return NULL; } break; } } *out_count = j; if (j == 0) return NULL; *width = dri2_surf->base.Width; *height = dri2_surf->base.Height; return dri2_surf->buffers; } static __DRIbuffer * dri2_wl_get_buffers(__DRIdrawable * driDrawable, int *width, int *height, unsigned int *attachments, int count, int *out_count, void *loaderPrivate) { unsigned int *attachments_with_format; __DRIbuffer *buffer; const unsigned int format = 32; int i; attachments_with_format = calloc(count * 2, sizeof(unsigned int)); if (!attachments_with_format) { *out_count = 0; return NULL; } for (i = 0; i < count; ++i) { attachments_with_format[2*i] = attachments[i]; attachments_with_format[2*i + 1] = format; } buffer = dri2_wl_get_buffers_with_format(driDrawable, width, height, attachments_with_format, count, out_count, loaderPrivate); free(attachments_with_format); return buffer; } static int image_get_buffers(__DRIdrawable *driDrawable, unsigned int format, uint32_t *stamp, void *loaderPrivate, uint32_t buffer_mask, struct __DRIimageList *buffers) { struct dri2_egl_surface *dri2_surf = loaderPrivate; if (update_buffers(dri2_surf) < 0) return 0; buffers->image_mask = __DRI_IMAGE_BUFFER_BACK; buffers->back = dri2_surf->back->dri_image; return 1; } static void dri2_wl_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate) { (void) driDrawable; (void) loaderPrivate; } static const __DRIimageLoaderExtension image_loader_extension = { .base = { __DRI_IMAGE_LOADER, 1 }, .getBuffers = image_get_buffers, .flushFrontBuffer = dri2_wl_flush_front_buffer, }; static void wayland_throttle_callback(void *data, struct wl_callback *callback, uint32_t time) { struct dri2_egl_surface *dri2_surf = data; dri2_surf->throttle_callback = NULL; wl_callback_destroy(callback); } static const struct wl_callback_listener throttle_listener = { wayland_throttle_callback }; static void create_wl_buffer(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); int fd, stride, name; if (dri2_surf->current->wl_buffer != NULL) return; if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) { dri2_dpy->image->queryImage(dri2_surf->current->dri_image, __DRI_IMAGE_ATTRIB_FD, &fd); dri2_dpy->image->queryImage(dri2_surf->current->dri_image, __DRI_IMAGE_ATTRIB_STRIDE, &stride); dri2_surf->current->wl_buffer = wl_drm_create_prime_buffer(dri2_dpy->wl_drm, fd, dri2_surf->base.Width, dri2_surf->base.Height, dri2_surf->format, 0, stride, 0, 0, 0, 0); close(fd); } else { dri2_dpy->image->queryImage(dri2_surf->current->dri_image, __DRI_IMAGE_ATTRIB_NAME, &name); dri2_dpy->image->queryImage(dri2_surf->current->dri_image, __DRI_IMAGE_ATTRIB_STRIDE, &stride); dri2_surf->current->wl_buffer = wl_drm_create_buffer(dri2_dpy->wl_drm, name, dri2_surf->base.Width, dri2_surf->base.Height, stride, dri2_surf->format); } wl_proxy_set_queue((struct wl_proxy *) dri2_surf->current->wl_buffer, dri2_dpy->wl_queue); wl_buffer_add_listener(dri2_surf->current->wl_buffer, &wl_buffer_listener, dri2_surf); } /** * Called via eglSwapBuffers(), drv->API.SwapBuffers(). */ static EGLBoolean dri2_wl_swap_buffers_with_damage(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw, const EGLint *rects, EGLint n_rects) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); struct dri2_egl_context *dri2_ctx; _EGLContext *ctx; int i; for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) if (dri2_surf->color_buffers[i].age > 0) dri2_surf->color_buffers[i].age++; /* Make sure we have a back buffer in case we're swapping without ever * rendering. */ if (get_back_bo(dri2_surf) < 0) { _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers"); return EGL_FALSE; } if (draw->SwapInterval > 0) { dri2_surf->throttle_callback = wl_surface_frame(dri2_surf->wl_win->surface); wl_callback_add_listener(dri2_surf->throttle_callback, &throttle_listener, dri2_surf); wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback, dri2_dpy->wl_queue); } dri2_surf->back->age = 1; dri2_surf->current = dri2_surf->back; dri2_surf->back = NULL; create_wl_buffer(dri2_surf); wl_surface_attach(dri2_surf->wl_win->surface, dri2_surf->current->wl_buffer, dri2_surf->dx, dri2_surf->dy); dri2_surf->wl_win->attached_width = dri2_surf->base.Width; dri2_surf->wl_win->attached_height = dri2_surf->base.Height; /* reset resize growing parameters */ dri2_surf->dx = 0; dri2_surf->dy = 0; if (n_rects == 0) { wl_surface_damage(dri2_surf->wl_win->surface, 0, 0, INT32_MAX, INT32_MAX); } else { for (i = 0; i < n_rects; i++) { const int *rect = &rects[i * 4]; wl_surface_damage(dri2_surf->wl_win->surface, rect[0], dri2_surf->base.Height - rect[1] - rect[3], rect[2], rect[3]); } } if (dri2_dpy->flush->base.version >= 4) { ctx = _eglGetCurrentContext(); dri2_ctx = dri2_egl_context(ctx); (*dri2_dpy->flush->flush_with_flags)(dri2_ctx->dri_context, dri2_surf->dri_drawable, __DRI2_FLUSH_DRAWABLE, __DRI2_THROTTLE_SWAPBUFFER); } else { (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable); } (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable); wl_surface_commit(dri2_surf->wl_win->surface); /* If we're not waiting for a frame callback then we'll at least throttle * to a sync callback so that we always give a chance for the compositor to * handle the commit and send a release event before checking for a free * buffer */ if (dri2_surf->throttle_callback == NULL) { dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy); wl_callback_add_listener(dri2_surf->throttle_callback, &throttle_listener, dri2_surf); wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback, dri2_dpy->wl_queue); } wl_display_flush(dri2_dpy->wl_dpy); return EGL_TRUE; } static EGLint dri2_wl_query_buffer_age(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surface) { struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface); if (get_back_bo(dri2_surf) < 0) { _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age"); return 0; } return dri2_surf->back->age; } static EGLBoolean dri2_wl_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) { return dri2_wl_swap_buffers_with_damage (drv, disp, draw, NULL, 0); } static struct wl_buffer * dri2_wl_create_wayland_buffer_from_image(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img = dri2_egl_image(img); __DRIimage *image = dri2_img->dri_image; struct wl_buffer *buffer; int width, height, format, pitch; enum wl_drm_format wl_format; dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &format); switch (format) { case __DRI_IMAGE_FORMAT_ARGB8888: if (!(dri2_dpy->formats & HAS_ARGB8888)) goto bad_format; wl_format = WL_DRM_FORMAT_ARGB8888; break; case __DRI_IMAGE_FORMAT_XRGB8888: if (!(dri2_dpy->formats & HAS_XRGB8888)) goto bad_format; wl_format = WL_DRM_FORMAT_XRGB8888; break; default: goto bad_format; } dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_WIDTH, &width); dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_HEIGHT, &height); dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch); if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) { int fd; dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd); buffer = wl_drm_create_prime_buffer(dri2_dpy->wl_drm, fd, width, height, wl_format, 0, pitch, 0, 0, 0, 0); close(fd); } else { int name; dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name); buffer = wl_drm_create_buffer(dri2_dpy->wl_drm, name, width, height, pitch, wl_format); } /* The buffer object will have been created with our internal event queue * because it is using the wl_drm object as a proxy factory. We want the * buffer to be used by the application so we'll reset it to the display's * default event queue */ if (buffer) wl_proxy_set_queue((struct wl_proxy *) buffer, NULL); return buffer; bad_format: _eglError(EGL_BAD_MATCH, "unsupported image format"); return NULL; } static int dri2_wl_authenticate(_EGLDisplay *disp, uint32_t id) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); int ret = 0; dri2_dpy->authenticated = 0; wl_drm_authenticate(dri2_dpy->wl_drm, id); if (roundtrip(dri2_dpy) < 0) ret = -1; if (!dri2_dpy->authenticated) ret = -1; /* reset authenticated */ dri2_dpy->authenticated = 1; return ret; } static void drm_handle_device(void *data, struct wl_drm *drm, const char *device) { struct dri2_egl_display *dri2_dpy = data; drm_magic_t magic; dri2_dpy->device_name = strdup(device); if (!dri2_dpy->device_name) return; #ifdef O_CLOEXEC dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR | O_CLOEXEC); if (dri2_dpy->fd == -1 && errno == EINVAL) #endif { dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR); if (dri2_dpy->fd != -1) fcntl(dri2_dpy->fd, F_SETFD, fcntl(dri2_dpy->fd, F_GETFD) | FD_CLOEXEC); } if (dri2_dpy->fd == -1) { _eglLog(_EGL_WARNING, "wayland-egl: could not open %s (%s)", dri2_dpy->device_name, strerror(errno)); return; } drmGetMagic(dri2_dpy->fd, &magic); wl_drm_authenticate(dri2_dpy->wl_drm, magic); } static void drm_handle_format(void *data, struct wl_drm *drm, uint32_t format) { struct dri2_egl_display *dri2_dpy = data; switch (format) { case WL_DRM_FORMAT_ARGB8888: dri2_dpy->formats |= HAS_ARGB8888; break; case WL_DRM_FORMAT_XRGB8888: dri2_dpy->formats |= HAS_XRGB8888; break; case WL_DRM_FORMAT_RGB565: dri2_dpy->formats |= HAS_RGB565; break; } } static void drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value) { struct dri2_egl_display *dri2_dpy = data; dri2_dpy->capabilities = value; } static void drm_handle_authenticated(void *data, struct wl_drm *drm) { struct dri2_egl_display *dri2_dpy = data; dri2_dpy->authenticated = 1; } static const struct wl_drm_listener drm_listener = { drm_handle_device, drm_handle_format, drm_handle_authenticated, drm_handle_capabilities }; static void registry_handle_global(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version) { struct dri2_egl_display *dri2_dpy = data; if (version > 1) version = 2; if (strcmp(interface, "wl_drm") == 0) { dri2_dpy->wl_drm = wl_registry_bind(registry, name, &wl_drm_interface, version); wl_drm_add_listener(dri2_dpy->wl_drm, &drm_listener, dri2_dpy); } } 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 EGLBoolean dri2_wl_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, EGLint interval) { if (interval > surf->Config->MaxSwapInterval) interval = surf->Config->MaxSwapInterval; else if (interval < surf->Config->MinSwapInterval) interval = surf->Config->MinSwapInterval; surf->SwapInterval = interval; return EGL_TRUE; } static void dri2_wl_setup_swap_interval(struct dri2_egl_display *dri2_dpy) { GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1; /* We can't use values greater than 1 on Wayland because we are using the * frame callback to synchronise the frame and the only way we be sure to * get a frame callback is to attach a new buffer. Therefore we can't just * sit drawing nothing to wait until the next ‘n’ frame callbacks */ if (dri2_dpy->config) dri2_dpy->config->configQueryi(dri2_dpy->dri_screen, "vblank_mode", &vblank_mode); switch (vblank_mode) { case DRI_CONF_VBLANK_NEVER: dri2_dpy->min_swap_interval = 0; dri2_dpy->max_swap_interval = 0; dri2_dpy->default_swap_interval = 0; break; case DRI_CONF_VBLANK_ALWAYS_SYNC: dri2_dpy->min_swap_interval = 1; dri2_dpy->max_swap_interval = 1; dri2_dpy->default_swap_interval = 1; break; case DRI_CONF_VBLANK_DEF_INTERVAL_0: dri2_dpy->min_swap_interval = 0; dri2_dpy->max_swap_interval = 1; dri2_dpy->default_swap_interval = 0; break; default: case DRI_CONF_VBLANK_DEF_INTERVAL_1: dri2_dpy->min_swap_interval = 0; dri2_dpy->max_swap_interval = 1; dri2_dpy->default_swap_interval = 1; break; } } static struct dri2_egl_display_vtbl dri2_wl_display_vtbl = { .authenticate = dri2_wl_authenticate, .create_window_surface = dri2_wl_create_window_surface, .create_pixmap_surface = dri2_wl_create_pixmap_surface, .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface, .destroy_surface = dri2_wl_destroy_surface, .create_image = dri2_create_image_khr, .swap_interval = dri2_wl_swap_interval, .swap_buffers = dri2_wl_swap_buffers, .swap_buffers_with_damage = dri2_wl_swap_buffers_with_damage, .swap_buffers_region = dri2_fallback_swap_buffers_region, .post_sub_buffer = dri2_fallback_post_sub_buffer, .copy_buffers = dri2_fallback_copy_buffers, .query_buffer_age = dri2_wl_query_buffer_age, .create_wayland_buffer_from_image = dri2_wl_create_wayland_buffer_from_image, .get_sync_values = dri2_fallback_get_sync_values, }; EGLBoolean dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp) { struct dri2_egl_display *dri2_dpy; const __DRIconfig *config; uint32_t types; int i; static const unsigned int argb_masks[4] = { 0xff0000, 0xff00, 0xff, 0xff000000 }; static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 }; static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 }; loader_set_logger(_eglLog); dri2_dpy = calloc(1, sizeof *dri2_dpy); if (!dri2_dpy) return _eglError(EGL_BAD_ALLOC, "eglInitialize"); disp->DriverData = (void *) dri2_dpy; if (disp->PlatformDisplay == NULL) { dri2_dpy->wl_dpy = wl_display_connect(NULL); if (dri2_dpy->wl_dpy == NULL) goto cleanup_dpy; dri2_dpy->own_device = 1; } else { dri2_dpy->wl_dpy = disp->PlatformDisplay; } dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy); if (dri2_dpy->own_device) wl_display_dispatch_pending(dri2_dpy->wl_dpy); dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy); wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry, dri2_dpy->wl_queue); wl_registry_add_listener(dri2_dpy->wl_registry, ®istry_listener, dri2_dpy); if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_drm == NULL) goto cleanup_dpy; if (roundtrip(dri2_dpy) < 0 || dri2_dpy->fd == -1) goto cleanup_drm; if (roundtrip(dri2_dpy) < 0 || !dri2_dpy->authenticated) goto cleanup_fd; dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0); if (dri2_dpy->driver_name == NULL) { _eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name"); goto cleanup_fd; } if (!dri2_load_driver(disp)) goto cleanup_driver_name; dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER; dri2_dpy->dri2_loader_extension.base.version = 3; dri2_dpy->dri2_loader_extension.getBuffers = dri2_wl_get_buffers; dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_wl_flush_front_buffer; dri2_dpy->dri2_loader_extension.getBuffersWithFormat = dri2_wl_get_buffers_with_format; dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base; dri2_dpy->extensions[1] = &image_loader_extension.base; dri2_dpy->extensions[2] = &image_lookup_extension.base; dri2_dpy->extensions[3] = &use_invalidate.base; dri2_dpy->extensions[4] = NULL; dri2_dpy->swap_available = EGL_TRUE; if (!dri2_create_screen(disp)) goto cleanup_driver; dri2_wl_setup_swap_interval(dri2_dpy); /* The server shouldn't advertise WL_DRM_CAPABILITY_PRIME if the driver * doesn't have createImageFromFds, since we're using the same driver on * both sides. We don't want crash if that happens anyway, so fall back to * gem names if we don't have prime support. */ if (dri2_dpy->image->base.version < 7 || dri2_dpy->image->createImageFromFds == NULL) dri2_dpy->capabilities &= ~WL_DRM_CAPABILITY_PRIME; types = EGL_WINDOW_BIT; for (i = 0; dri2_dpy->driver_configs[i]; i++) { config = dri2_dpy->driver_configs[i]; if (dri2_dpy->formats & HAS_XRGB8888) dri2_add_config(disp, config, i + 1, types, NULL, rgb_masks); if (dri2_dpy->formats & HAS_ARGB8888) dri2_add_config(disp, config, i + 1, types, NULL, argb_masks); if (dri2_dpy->formats & HAS_RGB565) dri2_add_config(disp, config, i + 1, types, NULL, rgb565_masks); } disp->Extensions.WL_bind_wayland_display = EGL_TRUE; disp->Extensions.WL_create_wayland_buffer_from_image = EGL_TRUE; disp->Extensions.EXT_buffer_age = EGL_TRUE; disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE; /* we're supporting EGL 1.4 */ disp->VersionMajor = 1; disp->VersionMinor = 4; /* Fill vtbl last to prevent accidentally calling virtual function during * initialization. */ dri2_dpy->vtbl = &dri2_wl_display_vtbl; return EGL_TRUE; cleanup_driver: dlclose(dri2_dpy->driver); cleanup_driver_name: free(dri2_dpy->driver_name); cleanup_fd: close(dri2_dpy->fd); cleanup_drm: free(dri2_dpy->device_name); wl_drm_destroy(dri2_dpy->wl_drm); cleanup_dpy: free(dri2_dpy); return EGL_FALSE; }