1 files changed, 100 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/gl/cgl/WindowSurfaceCGL.h b/gfx/angle/src/libANGLE/renderer/gl/cgl/WindowSurfaceCGL.h
new file mode 100755
index 000000000..165ab0486
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/gl/cgl/WindowSurfaceCGL.h
@@ -0,0 +1,100 @@
+//
+// Copyright (c) 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;
+
+@class SwapLayer;
+
+namespace rx
+{
+
+class DisplayCGL;
+class FramebufferGL;
+class FunctionsGL;
+class StateManagerGL;
+struct WorkaroundsGL;
+
+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,
+                     CALayer *layer,
+                     const FunctionsGL *functions,
+                     CGLContextObj context);
+    ~WindowSurfaceCGL() override;
+
+    egl::Error initialize() override;
+    egl::Error makeCurrent() override;
+
+    egl::Error swap() override;
+    egl::Error postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height) override;
+    egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override;
+    egl::Error bindTexImage(gl::Texture *texture, EGLint buffer) override;
+    egl::Error releaseTexImage(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::FramebufferState &state) override;
+
+  private:
+    SwapLayer *mSwapLayer;
+    SharedSwapState mSwapState;
+    uint64_t mCurrentSwapId;
+
+    CALayer *mLayer;
+    CGLContextObj mContext;
+    const FunctionsGL *mFunctions;
+    StateManagerGL *mStateManager;
+    RendererGL *mRenderer;
+    const WorkaroundsGL &mWorkarounds;
+
+    GLuint mFramebuffer;
+    GLuint mDSRenderbuffer;
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_GL_CGL_WINDOWSURFACECGL_H_