renderer-native: Move DMA buffer creation to an auxiliary function
This will be reused by the DMA buffer exporting function. https://gitlab.gnome.org/GNOME/mutter/merge_requests/1086
This commit is contained in:
Georges Basile Stavracas Neto
parent
3881c1f952
commit
7fbb47b2bb
@ -1649,26 +1649,35 @@ secondary_gpu_get_next_dumb_buffer (MetaOnscreenNativeSecondaryGpuState *seconda
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return &secondary_gpu_state->cpu.dumb_fbs[0];
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}
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static gboolean
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copy_shared_framebuffer_primary_gpu (CoglOnscreen *onscreen,
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MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state)
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static CoglContext *
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cogl_context_from_renderer_native (MetaRendererNative *renderer_native)
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{
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglContext *cogl_context = framebuffer->context;
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CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
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MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
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MetaRenderer *renderer = META_RENDERER (renderer_native);
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MetaBackend *backend = meta_renderer_get_backend (renderer);
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ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
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return clutter_backend_get_cogl_context (clutter_backend);
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}
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static CoglFramebuffer *
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create_dma_buf_framebuffer (MetaRendererNative *renderer_native,
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int dmabuf_fd,
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uint32_t width,
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uint32_t height,
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uint32_t stride,
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uint32_t offset,
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uint64_t modifier,
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uint32_t drm_format,
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GError **error)
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{
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CoglContext *cogl_context =
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cogl_context_from_renderer_native (renderer_native);
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CoglDisplay *cogl_display = cogl_context->display;
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CoglRenderer *cogl_renderer = cogl_display->renderer;
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CoglRendererEGL *cogl_renderer_egl = cogl_renderer->winsys;
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EGLDisplay egl_display = cogl_renderer_egl->edpy;
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MetaRendererNative *renderer_native = onscreen_native->renderer_native;
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MetaEgl *egl = meta_renderer_native_get_egl (renderer_native);
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MetaRendererNativeGpuData *primary_gpu_data;
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MetaDrmBufferDumb *buffer_dumb;
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MetaDumbBuffer *dumb_fb;
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int dmabuf_fd;
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EGLImageKHR egl_image;
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g_autoptr (GError) error = NULL;
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uint32_t strides[1];
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uint32_t offsets[1];
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uint64_t modifiers[1];
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@ -1678,10 +1687,75 @@ copy_shared_framebuffer_primary_gpu (CoglOnscreen *onscre
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CoglOffscreen *cogl_fbo;
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int ret;
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ret = cogl_pixel_format_from_drm_format (drm_format, &cogl_format, NULL);
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g_assert (ret);
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strides[0] = stride;
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offsets[0] = offset;
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modifiers[0] = modifier;
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egl_image = meta_egl_create_dmabuf_image (egl,
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egl_display,
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width,
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height,
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drm_format,
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1 /* n_planes */,
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&dmabuf_fd,
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strides,
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offsets,
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modifiers,
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error);
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if (egl_image == EGL_NO_IMAGE_KHR)
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return NULL;
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flags = COGL_EGL_IMAGE_FLAG_NO_GET_DATA;
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cogl_tex = cogl_egl_texture_2d_new_from_image (cogl_context,
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width,
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height,
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cogl_format,
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egl_image,
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flags,
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error);
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meta_egl_destroy_image (egl, egl_display, egl_image, NULL);
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if (!cogl_tex)
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return NULL;
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cogl_fbo = cogl_offscreen_new_with_texture (COGL_TEXTURE (cogl_tex));
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cogl_object_unref (cogl_tex);
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if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (cogl_fbo), error))
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{
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cogl_object_unref (cogl_fbo);
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return NULL;
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}
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return COGL_FRAMEBUFFER (cogl_fbo);
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}
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static gboolean
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copy_shared_framebuffer_primary_gpu (CoglOnscreen *onscreen,
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MetaOnscreenNativeSecondaryGpuState *secondary_gpu_state)
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{
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
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MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
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MetaRendererNative *renderer_native = onscreen_native->renderer_native;
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MetaRendererNativeGpuData *primary_gpu_data;
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MetaDrmBufferDumb *buffer_dumb;
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MetaDumbBuffer *dumb_fb;
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CoglFramebuffer *dmabuf_fb;
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int dmabuf_fd;
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g_autoptr (GError) error = NULL;
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CoglPixelFormat cogl_format;
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int ret;
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COGL_TRACE_BEGIN_SCOPED (CopySharedFramebufferPrimaryGpu,
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"FB Copy (primary GPU)");
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primary_gpu_data = meta_renderer_native_get_gpu_data (renderer_native,
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primary_gpu_data =
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meta_renderer_native_get_gpu_data (renderer_native,
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renderer_native->primary_gpu_kms);
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if (!primary_gpu_data->secondary.has_EGL_EXT_image_dma_buf_import_modifiers)
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return FALSE;
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@ -1701,70 +1775,33 @@ copy_shared_framebuffer_primary_gpu (CoglOnscreen *onscre
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if (dmabuf_fd == -1)
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return FALSE;
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strides[0] = dumb_fb->stride_bytes;
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offsets[0] = 0;
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modifiers[0] = DRM_FORMAT_MOD_LINEAR;
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egl_image = meta_egl_create_dmabuf_image (egl,
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egl_display,
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dmabuf_fb = create_dma_buf_framebuffer (renderer_native,
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dmabuf_fd,
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dumb_fb->width,
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dumb_fb->height,
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dumb_fb->stride_bytes,
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0, DRM_FORMAT_MOD_LINEAR,
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dumb_fb->drm_format,
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1 /* n_planes */,
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&dmabuf_fd,
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strides,
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offsets,
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modifiers,
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&error);
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if (egl_image == EGL_NO_IMAGE_KHR)
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{
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g_debug ("%s: Failed to import dumb buffer to EGL: %s",
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__func__, error->message);
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if (error)
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{
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g_debug ("%s: Failed to blit DMA buffer image: %s",
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G_STRFUNC, error->message);
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return FALSE;
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}
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flags = COGL_EGL_IMAGE_FLAG_NO_GET_DATA;
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cogl_tex = cogl_egl_texture_2d_new_from_image (cogl_context,
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if (!cogl_blit_framebuffer (framebuffer, COGL_FRAMEBUFFER (dmabuf_fb),
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0, 0, 0, 0,
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dumb_fb->width,
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dumb_fb->height,
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cogl_format,
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egl_image,
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flags,
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&error);
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meta_egl_destroy_image (egl, egl_display, egl_image, NULL);
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if (!cogl_tex)
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&error))
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{
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g_debug ("%s: Failed to make Cogl texture: %s",
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__func__, error->message);
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cogl_object_unref (dmabuf_fb);
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return FALSE;
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}
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cogl_fbo = cogl_offscreen_new_with_texture (COGL_TEXTURE (cogl_tex));
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cogl_object_unref (cogl_tex);
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if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (cogl_fbo), &error))
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{
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g_debug ("%s: Failed Cogl FBO alloc: %s",
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__func__, error->message);
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cogl_object_unref (cogl_fbo);
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return FALSE;
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}
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if (!cogl_blit_framebuffer (framebuffer, COGL_FRAMEBUFFER (cogl_fbo),
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0, 0, 0, 0,
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dumb_fb->width, dumb_fb->height, &error))
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{
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g_debug ("%s: Failed Cogl blit: %s", __func__, error->message);
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cogl_object_unref (cogl_fbo);
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return FALSE;
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}
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cogl_object_unref (cogl_fbo);
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cogl_object_unref (dmabuf_fb);
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g_clear_object (&secondary_gpu_state->gbm.next_fb);
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buffer_dumb = meta_drm_buffer_dumb_new (dumb_fb->fb_id);
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@ -2907,16 +2944,6 @@ calculate_view_transform (MetaMonitorManager *monitor_manager,
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return crtc_transform;
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}
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static CoglContext *
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cogl_context_from_renderer_native (MetaRendererNative *renderer_native)
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{
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MetaRenderer *renderer = META_RENDERER (renderer_native);
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MetaBackend *backend = meta_renderer_get_backend (renderer);
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ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
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return clutter_backend_get_cogl_context (clutter_backend);
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}
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static gboolean
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should_force_shadow_fb (MetaRendererNative *renderer_native,
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MetaGpuKms *primary_gpu)
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