| bsalomon | 1080596 | 2014-10-08 04:45:09 -0700 | [diff] [blame^] | 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_OVERRIDE; |
| 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 |