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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "gl/SkANGLEGLContext.h" | 9 #include "gl/SkANGLEGLContext.h" |
10 | 10 |
| 11 SkANGLEGLContext::AutoContextRestore::AutoContextRestore() { |
| 12 fOldEGLContext = eglGetCurrentContext(); |
| 13 fOldDisplay = eglGetCurrentDisplay(); |
| 14 fOldSurface = eglGetCurrentSurface(EGL_DRAW); |
| 15 |
| 16 } |
| 17 |
| 18 SkANGLEGLContext::AutoContextRestore::~AutoContextRestore() { |
| 19 if (fOldDisplay) { |
| 20 eglMakeCurrent(fOldDisplay, fOldSurface, fOldSurface, fOldEGLContext); |
| 21 } |
| 22 } |
| 23 |
| 24 /////////////////////////////////////////////////////////////////////////////// |
| 25 |
11 SkANGLEGLContext::SkANGLEGLContext() | 26 SkANGLEGLContext::SkANGLEGLContext() |
12 : fContext(EGL_NO_CONTEXT) | 27 : fContext(EGL_NO_CONTEXT) |
13 , fDisplay(EGL_NO_DISPLAY) | 28 , fDisplay(EGL_NO_DISPLAY) |
14 , fSurface(EGL_NO_SURFACE) { | 29 , fSurface(EGL_NO_SURFACE) { |
15 } | 30 } |
16 | 31 |
17 SkANGLEGLContext::~SkANGLEGLContext() { | 32 SkANGLEGLContext::~SkANGLEGLContext() { |
18 this->destroyGLContext(); | 33 this->destroyGLContext(); |
19 } | 34 } |
20 | 35 |
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92 if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { | 107 if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { |
93 SkDebugf("Could not set the context.\n"); | 108 SkDebugf("Could not set the context.\n"); |
94 } | 109 } |
95 } | 110 } |
96 | 111 |
97 void SkANGLEGLContext::swapBuffers() const { | 112 void SkANGLEGLContext::swapBuffers() const { |
98 if (!eglSwapBuffers(fDisplay, fSurface)) { | 113 if (!eglSwapBuffers(fDisplay, fSurface)) { |
99 SkDebugf("Could not complete eglSwapBuffers.\n"); | 114 SkDebugf("Could not complete eglSwapBuffers.\n"); |
100 } | 115 } |
101 } | 116 } |
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