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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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