| // Copyright 2014 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 CONTENT_BROWSER_COMPOSITOR_GPU_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_ |
| #define CONTENT_BROWSER_COMPOSITOR_GPU_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "build/build_config.h" |
| #include "content/browser/compositor/browser_compositor_output_surface.h" |
| #include "ui/gfx/swap_result.h" |
| #include "ui/latency/latency_tracker.h" |
| |
| namespace gfx { |
| struct PresentationFeedback; |
| } |
| |
| namespace gpu { |
| class CommandBufferProxyImpl; |
| struct SwapBuffersCompleteParams; |
| } |
| |
| namespace viz { |
| class ContextProviderCommandBuffer; |
| } |
| |
| namespace content { |
| class ReflectorTexture; |
| |
| // Adapts a WebGraphicsContext3DCommandBufferImpl into a |
| // viz::OutputSurface that also handles vsync parameter updates |
| // arriving from the GPU process. |
| class GpuBrowserCompositorOutputSurface |
| : public BrowserCompositorOutputSurface { |
| public: |
| GpuBrowserCompositorOutputSurface( |
| scoped_refptr<viz::ContextProviderCommandBuffer> context); |
| |
| ~GpuBrowserCompositorOutputSurface() override; |
| |
| // Called when a swap completion is sent from the GPU process. |
| virtual void OnGpuSwapBuffersCompleted( |
| std::vector<ui::LatencyInfo> latency_info, |
| const gpu::SwapBuffersCompleteParams& params); |
| |
| // BrowserCompositorOutputSurface implementation. |
| void OnReflectorChanged() override; |
| |
| // viz::OutputSurface implementation. |
| void BindToClient(viz::OutputSurfaceClient* client) override; |
| void EnsureBackbuffer() override; |
| void DiscardBackbuffer() override; |
| void BindFramebuffer() 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(viz::OutputSurfaceFrame frame) override; |
| uint32_t GetFramebufferCopyTextureFormat() override; |
| bool IsDisplayedAsOverlayPlane() const override; |
| unsigned GetOverlayTextureId() const override; |
| gfx::BufferFormat GetOverlayBufferFormat() const override; |
| unsigned UpdateGpuFence() override; |
| |
| void SetDrawRectangle(const gfx::Rect& rect) override; |
| |
| protected: |
| void OnPresentation(const gfx::PresentationFeedback& feedback); |
| void OnUpdateVSyncParameters(base::TimeTicks timebase, |
| base::TimeDelta interval); |
| gpu::CommandBufferProxyImpl* GetCommandBufferProxy(); |
| |
| viz::OutputSurfaceClient* client_ = nullptr; |
| std::unique_ptr<ReflectorTexture> reflector_texture_; |
| bool reflector_texture_defined_ = false; |
| bool set_draw_rectangle_for_frame_ = false; |
| // True if the draw rectangle has been set at all since the last resize. |
| bool has_set_draw_rectangle_since_last_resize_ = false; |
| gfx::Size size_; |
| ui::LatencyTracker latency_tracker_; |
| |
| private: |
| base::WeakPtrFactory<GpuBrowserCompositorOutputSurface> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GpuBrowserCompositorOutputSurface); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_COMPOSITOR_GPU_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_ |