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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 "SkGLContextHelper.h" |
| 12 |
| 13 /* This struct is taken from a mesa demo. Please update as required */ |
| 14 static const struct { int major, minor; } gl_versions[] = { |
| 15 {1, 0}, |
| 16 {1, 1}, |
| 17 {1, 2}, |
| 18 {1, 3}, |
| 19 {1, 4}, |
| 20 {1, 5}, |
| 21 {2, 0}, |
| 22 {2, 1}, |
| 23 {3, 0}, |
| 24 {3, 1}, |
| 25 {3, 2}, |
| 26 {3, 3}, |
| 27 {4, 0}, |
| 28 {4, 1}, |
| 29 {4, 2}, |
| 30 {4, 3}, |
| 31 {4, 4}, |
| 32 {0, 0} /* end of list */ |
| 33 }; |
| 34 #define NUM_GL_VERSIONS SK_ARRAY_COUNT(gl_versions) |
| 35 |
| 36 #if defined(SK_BUILD_FOR_MAC) |
| 37 #include <OpenGL/OpenGL.h> |
| 38 #elif SK_EGL |
| 39 #include <GLES2/gl2.h> |
| 40 #include <EGL/egl.h> |
| 41 #elif defined(SK_BUILD_FOR_UNIX) |
| 42 #include <X11/Xlib.h> |
| 43 #include <GL/glx.h> |
| 44 #elif defined(SK_BUILD_FOR_WIN32) |
| 45 #include <windows.h> |
| 46 #include <GL/GL.h> |
| 47 #include "SkWGL.h" |
| 48 #endif |
| 49 |
| 50 class SkNativeGLContext : public SkGLContextHelper { |
| 51 public: |
| 52 SkNativeGLContext(); |
| 53 |
| 54 virtual ~SkNativeGLContext(); |
| 55 |
| 56 virtual void makeCurrent() const SK_OVERRIDE; |
| 57 virtual void swapBuffers() const SK_OVERRIDE; |
| 58 |
| 59 class AutoContextRestore { |
| 60 public: |
| 61 AutoContextRestore(); |
| 62 ~AutoContextRestore(); |
| 63 |
| 64 private: |
| 65 #if defined(SK_BUILD_FOR_MAC) |
| 66 CGLContextObj fOldCGLContext; |
| 67 #elif SK_EGL |
| 68 EGLContext fOldEGLContext; |
| 69 EGLDisplay fOldDisplay; |
| 70 EGLSurface fOldSurface; |
| 71 #elif defined(SK_BUILD_FOR_UNIX) |
| 72 GLXContext fOldGLXContext; |
| 73 Display* fOldDisplay; |
| 74 GLXDrawable fOldDrawable; |
| 75 #elif defined(SK_BUILD_FOR_WIN32) |
| 76 HDC fOldHDC; |
| 77 HGLRC fOldHGLRC; |
| 78 |
| 79 #elif defined(SK_BUILD_FOR_IOS) |
| 80 void* fEAGLContext; |
| 81 #endif |
| 82 }; |
| 83 |
| 84 protected: |
| 85 virtual const GrGLInterface* createGLContext(GrGLStandard forcedGpuAPI) SK_O
VERRIDE; |
| 86 virtual void destroyGLContext() SK_OVERRIDE; |
| 87 |
| 88 private: |
| 89 #if defined(SK_BUILD_FOR_MAC) |
| 90 CGLContextObj fContext; |
| 91 #elif SK_EGL |
| 92 EGLContext fContext; |
| 93 EGLDisplay fDisplay; |
| 94 EGLSurface fSurface; |
| 95 #elif defined(SK_BUILD_FOR_UNIX) |
| 96 GLXContext fContext; |
| 97 Display* fDisplay; |
| 98 Pixmap fPixmap; |
| 99 GLXPixmap fGlxPixmap; |
| 100 #elif defined(SK_BUILD_FOR_WIN32) |
| 101 HWND fWindow; |
| 102 HDC fDeviceContext; |
| 103 HGLRC fGlRenderContext; |
| 104 static ATOM gWC; |
| 105 SkWGLPbufferContext* fPbufferContext; |
| 106 #elif defined(SK_BUILD_FOR_IOS) |
| 107 void* fEAGLContext; |
| 108 #endif |
| 109 }; |
| 110 |
| 111 #endif |
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