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| |
| #ifndef DISPLAY_GL_OUTPUT_SURFACE_H |
| #define DISPLAY_GL_OUTPUT_SURFACE_H |
| |
| #include "compositor_resource_fence.h" |
| #include "display_frame_sink.h" |
| |
| #include "components/viz/common/display/update_vsync_parameters_callback.h" |
| #include "components/viz/service/display/output_surface.h" |
| #include "components/viz/service/display_embedder/viz_process_context_provider.h" |
| #include "gpu/command_buffer/common/mailbox.h" |
| #include "gpu/command_buffer/common/sync_token.h" |
| |
| namespace viz { |
| class Display; |
| class SyntheticBeginFrameSource; |
| } // namespace viz |
| |
| namespace QtWebEngineCore { |
| |
| // NOTE: Some methods are defined in display_gl_output_surface_qsg.cpp due |
| // to conflicts between Qt & Chromium OpenGL APIs. |
| class DisplayGLOutputSurface final : public viz::OutputSurface, public DisplayProducer |
| { |
| public: |
| DisplayGLOutputSurface(scoped_refptr<viz::VizProcessContextProvider> contextProvider); |
| ~DisplayGLOutputSurface() override; |
| |
| // Overridden from viz::OutputSurface. |
| void BindToClient(viz::OutputSurfaceClient *client) override; |
| void EnsureBackbuffer() override; |
| void DiscardBackbuffer() override; |
| void BindFramebuffer() override; |
| void SetDrawRectangle(const gfx::Rect &drawRect) override; |
| bool IsDisplayedAsOverlayPlane() const override; |
| unsigned GetOverlayTextureId() const override; |
| gfx::BufferFormat GetOverlayBufferFormat() const override; |
| void Reshape(const gfx::Size &size, |
| float devicePixelRatio, |
| const gfx::ColorSpace &colorSpace, |
| bool hasAlpha, |
| bool useStencil) override; |
| bool HasExternalStencilTest() const override; |
| void ApplyExternalStencil() override; |
| uint32_t GetFramebufferCopyTextureFormat() override; |
| void SwapBuffers(viz::OutputSurfaceFrame frame) override; |
| unsigned UpdateGpuFence() override; |
| void SetUpdateVSyncParametersCallback(viz::UpdateVSyncParametersCallback callback) override; |
| void SetDisplayTransformHint(gfx::OverlayTransform transform) override; |
| gfx::OverlayTransform GetDisplayTransform() override; |
| |
| // Overridden from DisplayProducer. |
| QSGNode *updatePaintNode(QSGNode *oldNode, RenderWidgetHostViewQtDelegate *delegate) override; |
| |
| private: |
| struct Shape |
| { |
| gfx::Size sizeInPixels; |
| float devicePixelRatio; |
| gfx::ColorSpace colorSpace; |
| bool hasAlpha; |
| |
| bool operator==(const Shape &that) const |
| { |
| return (sizeInPixels == that.sizeInPixels && |
| devicePixelRatio == that.devicePixelRatio && |
| colorSpace == that.colorSpace && |
| hasAlpha == that.hasAlpha); |
| } |
| bool operator!=(const Shape &that) const { return !(*this == that); } |
| }; |
| |
| struct Buffer |
| { |
| DisplayGLOutputSurface *parent; |
| Shape shape; |
| uint32_t clientId = 0; |
| uint32_t serviceId = 0; |
| scoped_refptr<CompositorResourceFence> fence; |
| |
| Buffer(DisplayGLOutputSurface *parent) : parent(parent) {} |
| ~Buffer() { parent->deleteBufferResources(this); } |
| }; |
| |
| class Texture; |
| |
| void swapBuffersOnGpuThread(unsigned int id, std::unique_ptr<gl::GLFence> fence); |
| void swapBuffersOnVizThread(); |
| |
| std::unique_ptr<Buffer> makeBuffer(const Shape &shape); |
| void deleteBufferResources(Buffer *buffer); |
| void attachBuffer(); |
| void detachBuffer(); |
| |
| gpu::InProcessCommandBuffer *const m_commandBuffer; |
| gpu::gles2::GLES2Interface *const m_gl; |
| mutable QMutex m_mutex; |
| uint32_t m_fboId = 0; |
| viz::Display *m_display = nullptr; |
| scoped_refptr<DisplayFrameSink> m_sink; |
| Shape m_currentShape; |
| std::unique_ptr<Buffer> m_backBuffer; |
| std::unique_ptr<Buffer> m_middleBuffer; |
| std::unique_ptr<Buffer> m_frontBuffer; |
| scoped_refptr<base::SingleThreadTaskRunner> m_taskRunner; |
| scoped_refptr<viz::VizProcessContextProvider> m_vizContextProvider; |
| }; |
| |
| } // namespace QtWebEngineCore |
| |
| #endif // !DISPLAY_GL_OUTPUT_SURFACE_H |