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      1 
      2 /*
      3  * Copyright 2011 Google Inc.
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 #ifndef SkNativeGLContext_DEFINED
      9 #define SkNativeGLContext_DEFINED
     10 
     11 #include "SkGLContext.h"
     12 
     13 #if defined(SK_BUILD_FOR_MAC)
     14     #include <AGL/agl.h>
     15 
     16 #elif defined(SK_BUILD_FOR_ANDROID)
     17     #include <GLES2/gl2.h>
     18     #include <EGL/egl.h>
     19 #elif defined(SK_BUILD_FOR_UNIX)
     20     #include <X11/Xlib.h>
     21     #include <GL/glx.h>
     22 #elif defined(SK_BUILD_FOR_WIN32)
     23     #include <Windows.h>
     24     #include <GL/GL.h>
     25 #endif
     26 
     27 class SkNativeGLContext : public SkGLContext {
     28 public:
     29     SkNativeGLContext();
     30 
     31     virtual ~SkNativeGLContext();
     32 
     33     virtual void makeCurrent() const SK_OVERRIDE;
     34 
     35     class AutoContextRestore {
     36     public:
     37         AutoContextRestore();
     38         ~AutoContextRestore();
     39 
     40     private:
     41     #if defined(SK_BUILD_FOR_MAC)
     42         AGLContext fOldAGLContext;
     43     #elif defined(SK_BUILD_FOR_UNIX)
     44         GLXContext fOldGLXContext;
     45         Display* fOldDisplay;
     46         GLXDrawable fOldDrawable;
     47     #elif defined(SK_BUILD_FOR_WIN32)
     48         HDC fOldHDC;
     49         HGLRC fOldHGLRC;
     50     #elif defined(SK_BUILD_FOR_ANDROID)
     51         EGLContext fOldEGLContext;
     52         EGLDisplay fOldDisplay;
     53         EGLSurface fOldSurface;
     54     #endif
     55     };
     56 
     57 protected:
     58     virtual const GrGLInterface* createGLContext() SK_OVERRIDE;
     59     virtual void destroyGLContext() SK_OVERRIDE;
     60 
     61 private:
     62 #if defined(SK_BUILD_FOR_MAC)
     63     AGLContext fContext;
     64 #elif defined(SK_BUILD_FOR_UNIX)
     65     GLXContext fContext;
     66     Display* fDisplay;
     67     Pixmap fPixmap;
     68     GLXPixmap fGlxPixmap;
     69 #elif defined(SK_BUILD_FOR_WIN32)
     70     HWND fWindow;
     71     HDC fDeviceContext;
     72     HGLRC fGlRenderContext;
     73     static ATOM gWC;
     74 #elif defined(SK_BUILD_FOR_ANDROID)
     75     EGLContext fContext;
     76     EGLDisplay fDisplay;
     77     EGLSurface fSurface;
     78 #endif
     79 };
     80 
     81 #endif
     82