| // 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 UI_GL_GL_SURFACE_EGL_SURFACE_CONTROL_H_ |
| #define UI_GL_GL_SURFACE_EGL_SURFACE_CONTROL_H_ |
| |
| #include <android/native_window.h> |
| #include <memory> |
| |
| #include "base/android/scoped_hardware_buffer_handle.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/optional.h" |
| #include "ui/gl/android/android_surface_control_compat.h" |
| #include "ui/gl/gl_export.h" |
| #include "ui/gl/gl_surface_egl.h" |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| |
| namespace android { |
| class ScopedHardwareBufferFenceSync; |
| } // namespace android |
| } // namespace base |
| |
| namespace gl { |
| |
| class GL_EXPORT GLSurfaceEGLSurfaceControl : public gl::GLSurfaceEGL { |
| public: |
| explicit GLSurfaceEGLSurfaceControl( |
| ANativeWindow* window, |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner); |
| |
| // GLSurface implementation. |
| int GetBufferCount() const override; |
| bool Initialize(gl::GLSurfaceFormat format) override; |
| void Destroy() override; |
| bool Resize(const gfx::Size& size, |
| float scale_factor, |
| ColorSpace color_space, |
| bool has_alpha) override; |
| bool IsOffscreen() override; |
| gfx::SwapResult SwapBuffers(const PresentationCallback& callback) override; |
| void SwapBuffersAsync( |
| const SwapCompletionCallback& completion_callback, |
| const PresentationCallback& presentation_callback) override; |
| gfx::SwapResult CommitOverlayPlanes( |
| const PresentationCallback& callback) override; |
| void CommitOverlayPlanesAsync( |
| const SwapCompletionCallback& completion_callback, |
| const PresentationCallback& presentation_callback) override; |
| gfx::Size GetSize() override; |
| bool OnMakeCurrent(gl::GLContext* context) override; |
| bool ScheduleOverlayPlane(int z_order, |
| gfx::OverlayTransform transform, |
| gl::GLImage* image, |
| const gfx::Rect& bounds_rect, |
| const gfx::RectF& crop_rect, |
| bool enable_blend, |
| std::unique_ptr<gfx::GpuFence> gpu_fence) override; |
| bool IsSurfaceless() const override; |
| void* GetHandle() override; |
| |
| bool SupportsAsyncSwap() override; |
| bool SupportsPlaneGpuFences() const override; |
| bool SupportsPresentationCallback() override; |
| bool SupportsSwapBuffersWithBounds() override; |
| bool SupportsCommitOverlayPlanes() override; |
| |
| private: |
| ~GLSurfaceEGLSurfaceControl() override; |
| |
| struct SurfaceState { |
| SurfaceState(); |
| explicit SurfaceState(const SurfaceControl::Surface& parent); |
| ~SurfaceState(); |
| |
| SurfaceState(SurfaceState&& other); |
| SurfaceState& operator=(SurfaceState&& other); |
| |
| int z_order = 0; |
| AHardwareBuffer* hardware_buffer = nullptr; |
| gfx::Rect dst; |
| gfx::Rect src; |
| gfx::OverlayTransform transform = gfx::OVERLAY_TRANSFORM_NONE; |
| bool opaque = true; |
| |
| gl::SurfaceControl::Surface surface; |
| }; |
| |
| using ResourceRefs = std::vector< |
| std::unique_ptr<base::android::ScopedHardwareBufferFenceSync>>; |
| |
| void CommitPendingTransaction( |
| const SwapCompletionCallback& completion_callback, |
| const PresentationCallback& callback); |
| |
| // Called on the |gpu_task_runner_| when a transaction is acked by the |
| // framework. |
| void OnTransactionAckOnGpuThread(SwapCompletionCallback completion_callback, |
| PresentationCallback presentation_callback, |
| ResourceRefs released_resources, |
| int32_t present_fence); |
| |
| // Holds the surface state changes made since the last call to SwapBuffers. |
| base::Optional<gl::SurfaceControl::Transaction> pending_transaction_; |
| |
| // The list of Surfaces and the corresponding state. The initial |
| // |pending_surfaces_count_| surfaces in this list are surfaces with state |
| // mutated since the last SwapBuffers with the updates collected in |
| // |pending_transaction_|. |
| // On the next SwapBuffers, the updates in the transaction are applied |
| // atomically and any surfaces in |surface_list_| which are not reused in this |
| // frame are destroyed. |
| std::vector<SurfaceState> surface_list_; |
| size_t pending_surfaces_count_ = 0u; |
| |
| // Resources in the pending frame, for which updates are being |
| // collected in |pending_transaction_|. These are resources for which the |
| // pending transaction has a ref but they have not been applied and |
| // transferred to the framework. |
| ResourceRefs pending_frame_resources_; |
| |
| // Resources in the current frame sent to the framework. The |
| // framework is assumed to retain ownership of these resources until the next |
| // frame update. |
| ResourceRefs current_frame_resources_; |
| |
| // The root surface tied to the ANativeWindow that places the content of this |
| // GLSurface in the java view tree. |
| gl::SurfaceControl::Surface root_surface_; |
| |
| scoped_refptr<base::SingleThreadTaskRunner> gpu_task_runner_; |
| base::WeakPtrFactory<GLSurfaceEGLSurfaceControl> weak_factory_; |
| }; |
| |
| } // namespace gl |
| |
| #endif // UI_GL_GL_SURFACE_EGL_SURFACE_CONTROL_H_ |