| /* |
| * Copyright (C) 2019 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| // WindowSurfaceEAGL.h: EAGL implementation of egl::Surface |
| |
| #ifndef LIBANGLE_RENDERER_GL_EAGL_WINDOWSURFACEEAGL_H_ |
| #define LIBANGLE_RENDERER_GL_EAGL_WINDOWSURFACEEAGL_H_ |
| |
| #include "libANGLE/renderer/gl/SurfaceGL.h" |
| |
| #ifdef __OBJC__ |
| @class EAGLContext; |
| typedef EAGLContext* EAGLContextObj; |
| #else |
| typedef void* EAGLContextObj; |
| #endif |
| @class CALayer; |
| struct __IOSurface; |
| typedef __IOSurface *IOSurfaceRef; |
| |
| // WebKit's build process requires that every Objective-C class name has the prefix "Web". |
| @class WebSwapLayer; |
| |
| namespace rx |
| { |
| |
| class DisplayEAGL; |
| 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 WindowSurfaceEAGL : public SurfaceGL |
| { |
| public: |
| WindowSurfaceEAGL(const egl::SurfaceState &state, |
| RendererGL *renderer, |
| EGLNativeWindowType layer, |
| EAGLContextObj context); |
| ~WindowSurfaceEAGL() 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: |
| WebSwapLayer *mSwapLayer; |
| SharedSwapState mSwapState; |
| uint64_t mCurrentSwapId; |
| |
| CALayer *mLayer; |
| EAGLContextObj mContext; |
| const FunctionsGL *mFunctions; |
| StateManagerGL *mStateManager; |
| |
| GLuint mDSRenderbuffer; |
| }; |
| |
| } // namespace rx |
| |
| #endif // LIBANGLE_RENDERER_GL_EAGL_WINDOWSURFACEEAGL_H_ |