| // Copyright 2016 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_OUTPUT_SURFACE_MAC_H_ |
| #define CONTENT_BROWSER_COMPOSITOR_GPU_OUTPUT_SURFACE_MAC_H_ |
| |
| #include "content/browser/compositor/gpu_surfaceless_browser_compositor_output_surface.h" |
| |
| #include "ui/gfx/native_widget_types.h" |
| |
| namespace content { |
| |
| class GpuOutputSurfaceMac |
| : public GpuSurfacelessBrowserCompositorOutputSurface { |
| public: |
| GpuOutputSurfaceMac( |
| gfx::AcceleratedWidget widget, |
| scoped_refptr<ui::ContextProviderCommandBuffer> context, |
| gpu::SurfaceHandle surface_handle, |
| const UpdateVSyncParametersCallback& update_vsync_parameters_callback, |
| std::unique_ptr<viz::CompositorOverlayCandidateValidator> |
| overlay_candidate_validator, |
| gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager); |
| ~GpuOutputSurfaceMac() override; |
| |
| // viz::OutputSurface implementation. |
| void SwapBuffers(viz::OutputSurfaceFrame frame) override; |
| bool SurfaceIsSuspendForRecycle() const override; |
| |
| // BrowserCompositorOutputSurface implementation. |
| void SetSurfaceSuspendedForRecycle(bool suspended) override; |
| |
| private: |
| gfx::AcceleratedWidget widget_; |
| |
| enum ShouldShowFramesState { |
| // Frames that come from the GPU process should appear on-screen. |
| SHOULD_SHOW_FRAMES, |
| // The compositor has been suspended. Any frames that come from the GPU |
| // process are for the pre-suspend content and should not be displayed. |
| SHOULD_NOT_SHOW_FRAMES_SUSPENDED, |
| // The compositor has been un-suspended, but has not yet issued a swap |
| // since being un-suspended, so any frames that come from the GPU process |
| // are for pre-suspend content and should not be displayed. |
| SHOULD_NOT_SHOW_FRAMES_NO_SWAP_AFTER_SUSPENDED, |
| }; |
| ShouldShowFramesState should_show_frames_state_ = SHOULD_SHOW_FRAMES; |
| |
| DISALLOW_COPY_AND_ASSIGN(GpuOutputSurfaceMac); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_COMPOSITOR_GPU_OUTPUT_SURFACE_MAC_H_ |