| // Copyright (c) 2012 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_H_ |
| #define UI_GL_GL_SURFACE_EGL_H_ |
| |
| #if defined(OS_WIN) |
| #include <windows.h> |
| #endif |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/command_line.h" |
| #include "base/compiler_specific.h" |
| #include "base/containers/queue.h" |
| #include "base/macros.h" |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/vsync_provider.h" |
| #include "ui/gl/gl_bindings.h" |
| #include "ui/gl/gl_export.h" |
| #include "ui/gl/gl_surface.h" |
| #include "ui/gl/gl_surface_overlay.h" |
| |
| namespace gl { |
| |
| class GLSurfacePresentationHelper; |
| |
| // If adding a new type, also add it to EGLDisplayType in |
| // tools/metrics/histograms/histograms.xml. Don't remove or reorder entries. |
| enum DisplayType { |
| DEFAULT = 0, |
| SWIFT_SHADER = 1, |
| ANGLE_WARP = 2, |
| ANGLE_D3D9 = 3, |
| ANGLE_D3D11 = 4, |
| ANGLE_OPENGL = 5, |
| ANGLE_OPENGLES = 6, |
| ANGLE_NULL = 7, |
| ANGLE_D3D11_NULL = 8, |
| ANGLE_OPENGL_NULL = 9, |
| ANGLE_OPENGLES_NULL = 10, |
| DISPLAY_TYPE_MAX = 11, |
| }; |
| |
| GL_EXPORT void GetEGLInitDisplays(bool supports_angle_d3d, |
| bool supports_angle_opengl, |
| bool supports_angle_null, |
| const base::CommandLine* command_line, |
| std::vector<DisplayType>* init_displays); |
| |
| // Interface for EGL surface. |
| class GL_EXPORT GLSurfaceEGL : public GLSurface { |
| public: |
| GLSurfaceEGL(); |
| |
| // Implement GLSurface. |
| EGLDisplay GetDisplay() override; |
| EGLConfig GetConfig() override; |
| GLSurfaceFormat GetFormat() override; |
| |
| static bool InitializeOneOff(EGLNativeDisplayType native_display); |
| static bool InitializeOneOffForTesting(); |
| static bool InitializeExtensionSettingsOneOff(); |
| static void ShutdownOneOff(); |
| static EGLDisplay GetHardwareDisplay(); |
| static EGLDisplay InitializeDisplay(EGLNativeDisplayType native_display); |
| static EGLNativeDisplayType GetNativeDisplay(); |
| |
| // These aren't particularly tied to surfaces, but since we already |
| // have the static InitializeOneOff here, it's easiest to reuse its |
| // initialization guards. |
| static const char* GetEGLExtensions(); |
| static bool HasEGLExtension(const char* name); |
| static bool IsCreateContextRobustnessSupported(); |
| static bool IsCreateContextBindGeneratesResourceSupported(); |
| static bool IsCreateContextWebGLCompatabilitySupported(); |
| static bool IsEGLSurfacelessContextSupported(); |
| static bool IsEGLContextPrioritySupported(); |
| static bool IsDirectCompositionSupported(); |
| static bool IsRobustResourceInitSupported(); |
| static bool IsDisplayTextureShareGroupSupported(); |
| static bool IsCreateContextClientArraysSupported(); |
| static bool IsAndroidNativeFenceSyncSupported(); |
| |
| protected: |
| ~GLSurfaceEGL() override; |
| |
| EGLConfig config_ = nullptr; |
| GLSurfaceFormat format_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(GLSurfaceEGL); |
| static bool InitializeOneOffCommon(); |
| static bool initialized_; |
| }; |
| |
| // Encapsulates an EGL surface bound to a view. |
| class GL_EXPORT NativeViewGLSurfaceEGL : public GLSurfaceEGL { |
| public: |
| NativeViewGLSurfaceEGL(EGLNativeWindowType window, |
| std::unique_ptr<gfx::VSyncProvider> vsync_provider); |
| |
| // Implement GLSurface. |
| bool Initialize(GLSurfaceFormat format) override; |
| bool SupportsSwapTimestamps() const override; |
| void SetEnableSwapTimestamps() override; |
| bool SupportsPresentationCallback() override; |
| void Destroy() override; |
| bool Resize(const gfx::Size& size, |
| float scale_factor, |
| ColorSpace color_space, |
| bool has_alpha) override; |
| bool Recreate() override; |
| bool IsOffscreen() override; |
| gfx::SwapResult SwapBuffers(const PresentationCallback& callback) override; |
| gfx::Size GetSize() override; |
| EGLSurface GetHandle() override; |
| bool SupportsPostSubBuffer() override; |
| gfx::SwapResult PostSubBuffer(int x, |
| int y, |
| int width, |
| int height, |
| const PresentationCallback& callback) override; |
| bool SupportsCommitOverlayPlanes() override; |
| gfx::SwapResult CommitOverlayPlanes( |
| const PresentationCallback& callback) override; |
| bool OnMakeCurrent(GLContext* context) override; |
| gfx::VSyncProvider* GetVSyncProvider() override; |
| bool ScheduleOverlayPlane(int z_order, |
| gfx::OverlayTransform transform, |
| GLImage* image, |
| const gfx::Rect& bounds_rect, |
| const gfx::RectF& crop_rect) override; |
| bool FlipsVertically() const override; |
| bool BuffersFlipped() const override; |
| |
| // Takes care of the platform dependant bits, of any, for creating the window. |
| virtual bool InitializeNativeWindow(); |
| |
| protected: |
| ~NativeViewGLSurfaceEGL() override; |
| |
| EGLNativeWindowType window_; |
| gfx::Size size_; |
| bool enable_fixed_size_angle_; |
| |
| gfx::SwapResult SwapBuffersWithDamage(const std::vector<int>& rects, |
| const PresentationCallback& callback); |
| |
| private: |
| struct SwapInfo { |
| bool frame_id_is_valid; |
| EGLuint64KHR frame_id; |
| }; |
| |
| // Commit the |pending_overlays_| and clear the vector. Returns false if any |
| // fail to be committed. |
| bool CommitAndClearPendingOverlays(); |
| |
| void UpdateSwapEvents(EGLuint64KHR newFrameId, bool newFrameIdIsValid); |
| void TraceSwapEvents(EGLuint64KHR oldFrameId); |
| |
| EGLSurface surface_; |
| bool supports_post_sub_buffer_; |
| bool supports_swap_buffer_with_damage_; |
| bool flips_vertically_; |
| |
| std::unique_ptr<gfx::VSyncProvider> vsync_provider_external_; |
| std::unique_ptr<gfx::VSyncProvider> vsync_provider_internal_; |
| |
| std::vector<GLSurfaceOverlay> pending_overlays_; |
| |
| // Stored in separate vectors so we can pass the egl timestamps |
| // directly to the EGL functions. |
| bool use_egl_timestamps_; |
| std::vector<EGLint> supported_egl_timestamps_; |
| std::vector<const char*> supported_event_names_; |
| |
| base::queue<SwapInfo> swap_info_queue_; |
| |
| std::unique_ptr<GLSurfacePresentationHelper> presentation_helper_; |
| |
| DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceEGL); |
| }; |
| |
| // Encapsulates a pbuffer EGL surface. |
| class GL_EXPORT PbufferGLSurfaceEGL : public GLSurfaceEGL { |
| public: |
| explicit PbufferGLSurfaceEGL(const gfx::Size& size); |
| |
| // Implement GLSurface. |
| bool Initialize(GLSurfaceFormat format) override; |
| void Destroy() override; |
| bool IsOffscreen() override; |
| gfx::SwapResult SwapBuffers(const PresentationCallback& callback) override; |
| gfx::Size GetSize() override; |
| bool Resize(const gfx::Size& size, |
| float scale_factor, |
| ColorSpace color_space, |
| bool has_alpha) override; |
| EGLSurface GetHandle() override; |
| void* GetShareHandle() override; |
| |
| protected: |
| ~PbufferGLSurfaceEGL() override; |
| |
| private: |
| gfx::Size size_; |
| EGLSurface surface_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PbufferGLSurfaceEGL); |
| }; |
| |
| // SurfacelessEGL is used as Offscreen surface when platform supports |
| // KHR_surfaceless_context and GL_OES_surfaceless_context. This would avoid the |
| // need to create a dummy EGLsurface in case we render to client API targets. |
| class GL_EXPORT SurfacelessEGL : public GLSurfaceEGL { |
| public: |
| explicit SurfacelessEGL(const gfx::Size& size); |
| |
| // Implement GLSurface. |
| bool Initialize(GLSurfaceFormat format) override; |
| void Destroy() override; |
| bool IsOffscreen() override; |
| bool IsSurfaceless() const override; |
| gfx::SwapResult SwapBuffers(const PresentationCallback& callback) override; |
| gfx::Size GetSize() override; |
| bool Resize(const gfx::Size& size, |
| float scale_factor, |
| ColorSpace color_space, |
| bool has_alpha) override; |
| EGLSurface GetHandle() override; |
| void* GetShareHandle() override; |
| |
| protected: |
| ~SurfacelessEGL() override; |
| |
| private: |
| gfx::Size size_; |
| DISALLOW_COPY_AND_ASSIGN(SurfacelessEGL); |
| }; |
| |
| } // namespace gl |
| |
| #endif // UI_GL_GL_SURFACE_EGL_H_ |