| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SKIA_OUTPUT_SURFACE_IMPL_H_ |
| #define COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SKIA_OUTPUT_SURFACE_IMPL_H_ |
| |
| #include "base/macros.h" |
| #include "base/observer_list.h" |
| #include "base/optional.h" |
| #include "base/threading/thread_checker.h" |
| #include "components/viz/service/display/skia_output_surface.h" |
| #include "components/viz/service/viz_service_export.h" |
| #include "gpu/command_buffer/common/sync_token.h" |
| #include "gpu/ipc/common/surface_handle.h" |
| #include "gpu/ipc/in_process_command_buffer.h" |
| #include "third_party/skia/include/core/SkDeferredDisplayListRecorder.h" |
| #include "third_party/skia/include/core/SkOverdrawCanvas.h" |
| #include "third_party/skia/include/core/SkSurfaceCharacterization.h" |
| |
| namespace base { |
| class WaitableEvent; |
| } |
| |
| namespace viz { |
| |
| class GpuServiceImpl; |
| class SkiaOutputSurfaceImplOnGpu; |
| class SyntheticBeginFrameSource; |
| |
| // The SkiaOutputSurface implementation. It is the output surface for |
| // SkiaRenderer. It lives on the compositor thread, but it will post tasks |
| // to the GPU thread for initializing. Currently, SkiaOutputSurfaceImpl |
| // create a SkiaOutputSurfaceImplOnGpu on the GPU thread. It will be used |
| // for creating a SkSurface from the default framebuffer and providing the |
| // SkSurfaceCharacterization for the SkSurface. And then SkiaOutputSurfaceImpl |
| // will create SkDeferredDisplayListRecorder and SkCanvas for SkiaRenderer to |
| // render into. In SwapBuffers, it detaches a SkDeferredDisplayList from the |
| // recorder and plays it back on the framebuffer SkSurface on the GPU thread |
| // through SkiaOutputSurfaceImpleOnGpu. |
| class VIZ_SERVICE_EXPORT SkiaOutputSurfaceImpl : public SkiaOutputSurface { |
| public: |
| SkiaOutputSurfaceImpl(GpuServiceImpl* gpu_service, |
| gpu::SurfaceHandle surface_handle, |
| SyntheticBeginFrameSource* synthetic_begin_frame_source, |
| bool show_overdraw_feedback); |
| ~SkiaOutputSurfaceImpl() override; |
| |
| // OutputSurface implementation: |
| void BindToClient(OutputSurfaceClient* client) override; |
| void EnsureBackbuffer() override; |
| void DiscardBackbuffer() override; |
| void BindFramebuffer() override; |
| void SetDrawRectangle(const gfx::Rect& draw_rectangle) override; |
| void Reshape(const gfx::Size& size, |
| float device_scale_factor, |
| const gfx::ColorSpace& color_space, |
| bool has_alpha, |
| bool use_stencil) override; |
| void SwapBuffers(OutputSurfaceFrame frame) override; |
| uint32_t GetFramebufferCopyTextureFormat() override; |
| OverlayCandidateValidator* GetOverlayCandidateValidator() const override; |
| bool IsDisplayedAsOverlayPlane() const override; |
| unsigned GetOverlayTextureId() const override; |
| gfx::BufferFormat GetOverlayBufferFormat() const override; |
| bool HasExternalStencilTest() const override; |
| void ApplyExternalStencil() override; |
| #if BUILDFLAG(ENABLE_VULKAN) |
| gpu::VulkanSurface* GetVulkanSurface() override; |
| #endif |
| unsigned UpdateGpuFence() override; |
| void SetNeedsSwapSizeNotifications( |
| bool needs_swap_size_notifications) override; |
| |
| // SkiaOutputSurface implementation: |
| SkCanvas* BeginPaintCurrentFrame() override; |
| sk_sp<SkImage> MakePromiseSkImage(ResourceMetadata metadata) override; |
| sk_sp<SkImage> MakePromiseSkImageFromYUV( |
| std::vector<ResourceMetadata> metadatas, |
| SkYUVColorSpace yuv_color_space, |
| bool has_alpha) override; |
| void SkiaSwapBuffers(OutputSurfaceFrame frame) override; |
| SkCanvas* BeginPaintRenderPass(const RenderPassId& id, |
| const gfx::Size& surface_size, |
| ResourceFormat format, |
| bool mipmap) override; |
| gpu::SyncToken SubmitPaint() override; |
| sk_sp<SkImage> MakePromiseSkImageFromRenderPass(const RenderPassId& id, |
| const gfx::Size& size, |
| ResourceFormat format, |
| bool mipmap) override; |
| void RemoveRenderPassResource(std::vector<RenderPassId> ids) override; |
| void CopyOutput(RenderPassId id, |
| const gfx::Rect& copy_rect, |
| std::unique_ptr<CopyOutputRequest> request) override; |
| void AddContextLostObserver(ContextLostObserver* observer) override; |
| void RemoveContextLostObserver(ContextLostObserver* observer) override; |
| |
| private: |
| template <class T> |
| class PromiseTextureHelper; |
| class YUVAPromiseTextureHelper; |
| void InitializeOnGpuThread(base::WaitableEvent* event); |
| SkSurfaceCharacterization CreateSkSurfaceCharacterization( |
| const gfx::Size& surface_size, |
| ResourceFormat format, |
| bool mipmap); |
| void DidSwapBuffersComplete(gpu::SwapBuffersCompleteParams params, |
| const gfx::Size& pixel_size); |
| void BufferPresented(const gfx::PresentationFeedback& feedback); |
| void ContextLost(); |
| |
| uint64_t sync_fence_release_ = 0; |
| GpuServiceImpl* const gpu_service_; |
| const gpu::SurfaceHandle surface_handle_; |
| SyntheticBeginFrameSource* const synthetic_begin_frame_source_; |
| OutputSurfaceClient* client_ = nullptr; |
| |
| std::unique_ptr<base::WaitableEvent> initialize_waitable_event_; |
| SkSurfaceCharacterization characterization_; |
| base::Optional<SkDeferredDisplayListRecorder> recorder_; |
| |
| // The current render pass id set by BeginPaintRenderPass. |
| RenderPassId current_render_pass_id_ = 0; |
| |
| // The SkDDL recorder is used for overdraw feedback. It is created by |
| // BeginPaintOverdraw, and FinishPaintCurrentFrame will turn it into a SkDDL |
| // and play the SkDDL back on the GPU thread. |
| base::Optional<SkDeferredDisplayListRecorder> overdraw_surface_recorder_; |
| |
| // |overdraw_canvas_| is used to record draw counts. |
| base::Optional<SkOverdrawCanvas> overdraw_canvas_; |
| |
| // |nway_canvas_| contains |overdraw_canvas_| and root canvas. |
| base::Optional<SkNWayCanvas> nway_canvas_; |
| |
| // Sync tokens for resources which are used for the current frame. |
| std::vector<gpu::SyncToken> resource_sync_tokens_; |
| |
| // The task runner for running task on the client (compositor) thread. |
| scoped_refptr<base::SingleThreadTaskRunner> client_thread_task_runner_; |
| |
| // The flag is used for overdraw feedback. |
| const bool show_overdraw_feedback_; |
| |
| // |impl_on_gpu| is created and destroyed on the GPU thread. |
| std::unique_ptr<SkiaOutputSurfaceImplOnGpu> impl_on_gpu_; |
| |
| // Whether to send OutputSurfaceClient::DidSwapWithSize notifications. |
| bool needs_swap_size_notifications_ = false; |
| |
| base::ObserverList<ContextLostObserver>::Unchecked observers_; |
| |
| THREAD_CHECKER(thread_checker_); |
| |
| base::WeakPtr<SkiaOutputSurfaceImpl> weak_ptr_; |
| base::WeakPtrFactory<SkiaOutputSurfaceImpl> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SkiaOutputSurfaceImpl); |
| }; |
| |
| } // namespace viz |
| |
| #endif // COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_SKIA_OUTPUT_SURFACE_IMPL_H_ |