| // |
| // Copyright 2015 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // WindowSurfaceCGL.h: CGL implementation of egl::Surface for windows |
| |
| #ifndef LIBANGLE_RENDERER_GL_CGL_WINDOWSURFACECGL_H_ |
| #define LIBANGLE_RENDERER_GL_CGL_WINDOWSURFACECGL_H_ |
| |
| #include "libANGLE/renderer/gl/SurfaceGL.h" |
| |
| struct _CGLContextObject; |
| typedef _CGLContextObject *CGLContextObj; |
| @class CALayer; |
| struct __IOSurface; |
| typedef __IOSurface *IOSurfaceRef; |
| |
| // WebKit's build process requires that every Objective-C class name has the prefix "Web". |
| @class WebSwapCGLLayer; |
| |
| namespace rx |
| { |
| |
| class DisplayCGL; |
| class FramebufferGL; |
| class FunctionsGL; |
| class RendererGL; |
| class StateManagerGL; |
| |
| struct SharedSwapState |
| { |
| struct SwapTexture |
| { |
| GLuint texture; |
| unsigned int width; |
| unsigned int height; |
| uint64_t swapId; |
| }; |
| |
| SwapTexture textures[3]; |
| |
| // This code path is not going to be used by Chrome so we take the liberty |
| // to use pthreads directly instead of using mutexes and condition variables |
| // via the Platform API. |
| pthread_mutex_t mutex; |
| // The following members should be accessed only when holding the mutex |
| // (or doing construction / destruction) |
| SwapTexture *beingRendered; |
| SwapTexture *lastRendered; |
| SwapTexture *beingPresented; |
| }; |
| |
| class WindowSurfaceCGL : public SurfaceGL |
| { |
| public: |
| WindowSurfaceCGL(const egl::SurfaceState &state, |
| RendererGL *renderer, |
| EGLNativeWindowType layer, |
| CGLContextObj context); |
| ~WindowSurfaceCGL() override; |
| |
| egl::Error initialize(const egl::Display *display) override; |
| egl::Error makeCurrent(const gl::Context *context) override; |
| |
| egl::Error swap(const gl::Context *context) override; |
| egl::Error postSubBuffer(const gl::Context *context, |
| EGLint x, |
| EGLint y, |
| EGLint width, |
| EGLint height) override; |
| egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override; |
| egl::Error bindTexImage(const gl::Context *context, |
| gl::Texture *texture, |
| EGLint buffer) override; |
| egl::Error releaseTexImage(const gl::Context *context, EGLint buffer) override; |
| void setSwapInterval(EGLint interval) override; |
| |
| EGLint getWidth() const override; |
| EGLint getHeight() const override; |
| |
| EGLint isPostSubBufferSupported() const override; |
| EGLint getSwapBehavior() const override; |
| |
| FramebufferImpl *createDefaultFramebuffer(const gl::Context *context, |
| const gl::FramebufferState &state) override; |
| |
| private: |
| WebSwapCGLLayer *mSwapLayer; |
| SharedSwapState mSwapState; |
| uint64_t mCurrentSwapId; |
| |
| CALayer *mLayer; |
| CGLContextObj mContext; |
| const FunctionsGL *mFunctions; |
| StateManagerGL *mStateManager; |
| |
| GLuint mDSRenderbuffer; |
| }; |
| |
| } // namespace rx |
| |
| #endif // LIBANGLE_RENDERER_GL_CGL_WINDOWSURFACECGL_H_ |