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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::SkANGLEGLContext() | 11 SkANGLEGLContext::SkANGLEGLContext() |
12 : fContext(EGL_NO_CONTEXT) | 12 : fContext(EGL_NO_CONTEXT) |
13 , fDisplay(EGL_NO_DISPLAY) | 13 , fDisplay(EGL_NO_DISPLAY) |
14 , fSurface(EGL_NO_SURFACE) { | 14 , fSurface(EGL_NO_SURFACE) { |
15 } | |
16 | |
17 SkANGLEGLContext::~SkANGLEGLContext() { | |
18 this->destroyGLContext(); | |
19 } | |
20 | |
21 void SkANGLEGLContext::destroyGLContext() { | |
22 if (fDisplay) { | |
23 eglMakeCurrent(fDisplay, 0, 0, 0); | |
24 | |
25 if (fContext) { | |
26 eglDestroyContext(fDisplay, fContext); | |
27 fContext = EGL_NO_CONTEXT; | |
28 } | |
29 | |
30 if (fSurface) { | |
31 eglDestroySurface(fDisplay, fSurface); | |
32 fSurface = EGL_NO_SURFACE; | |
33 } | |
34 | |
35 //TODO should we close the display? | |
36 fDisplay = EGL_NO_DISPLAY; | |
37 } | |
38 } | |
39 | |
40 const GrGLInterface* SkANGLEGLContext::createGLContext(GrGLStandard forcedGpuAPI
) { | |
41 if (kGL_GrGLStandard == forcedGpuAPI) { | |
42 return NULL; | |
43 } | |
44 | |
45 fDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY); | 15 fDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
46 | 16 |
47 EGLint majorVersion; | 17 EGLint majorVersion; |
48 EGLint minorVersion; | 18 EGLint minorVersion; |
49 eglInitialize(fDisplay, &majorVersion, &minorVersion); | 19 eglInitialize(fDisplay, &majorVersion, &minorVersion); |
50 | 20 |
51 EGLint numConfigs; | 21 EGLint numConfigs; |
52 static const EGLint configAttribs[] = { | 22 static const EGLint configAttribs[] = { |
53 EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, | 23 EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, |
54 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, | 24 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
(...skipping 16 matching lines...) Expand all Loading... |
71 | 41 |
72 static const EGLint surfaceAttribs[] = { | 42 static const EGLint surfaceAttribs[] = { |
73 EGL_WIDTH, 1, | 43 EGL_WIDTH, 1, |
74 EGL_HEIGHT, 1, | 44 EGL_HEIGHT, 1, |
75 EGL_NONE | 45 EGL_NONE |
76 }; | 46 }; |
77 fSurface = eglCreatePbufferSurface(fDisplay, surfaceConfig, surfaceAttribs); | 47 fSurface = eglCreatePbufferSurface(fDisplay, surfaceConfig, surfaceAttribs); |
78 | 48 |
79 eglMakeCurrent(fDisplay, fSurface, fSurface, fContext); | 49 eglMakeCurrent(fDisplay, fSurface, fSurface, fContext); |
80 | 50 |
81 const GrGLInterface* interface = GrGLCreateANGLEInterface(); | 51 fGL.reset(GrGLCreateANGLEInterface()); |
82 if (NULL == interface) { | 52 if (NULL == fGL.get()) { |
83 SkDebugf("Could not create ANGLE GL interface!\n"); | 53 SkDebugf("Could not create ANGLE GL interface!\n"); |
84 this->destroyGLContext(); | 54 this->destroyGLContext(); |
85 return NULL; | 55 return; |
86 } | 56 } |
| 57 if (!fGL->validate()) { |
| 58 SkDebugf("Could not validate ANGLE GL interface!\n"); |
| 59 this->destroyGLContext(); |
| 60 return; |
| 61 } |
| 62 } |
87 | 63 |
88 return interface; | 64 SkANGLEGLContext::~SkANGLEGLContext() { |
| 65 this->destroyGLContext(); |
| 66 } |
| 67 |
| 68 void SkANGLEGLContext::destroyGLContext() { |
| 69 fGL.reset(NULL); |
| 70 if (fDisplay) { |
| 71 eglMakeCurrent(fDisplay, 0, 0, 0); |
| 72 |
| 73 if (fContext) { |
| 74 eglDestroyContext(fDisplay, fContext); |
| 75 fContext = EGL_NO_CONTEXT; |
| 76 } |
| 77 |
| 78 if (fSurface) { |
| 79 eglDestroySurface(fDisplay, fSurface); |
| 80 fSurface = EGL_NO_SURFACE; |
| 81 } |
| 82 |
| 83 //TODO should we close the display? |
| 84 fDisplay = EGL_NO_DISPLAY; |
| 85 } |
89 } | 86 } |
90 | 87 |
91 void SkANGLEGLContext::makeCurrent() const { | 88 void SkANGLEGLContext::makeCurrent() const { |
92 if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { | 89 if (!eglMakeCurrent(fDisplay, fSurface, fSurface, fContext)) { |
93 SkDebugf("Could not set the context.\n"); | 90 SkDebugf("Could not set the context.\n"); |
94 } | 91 } |
95 } | 92 } |
96 | 93 |
97 void SkANGLEGLContext::swapBuffers() const { | 94 void SkANGLEGLContext::swapBuffers() const { |
98 if (!eglSwapBuffers(fDisplay, fSurface)) { | 95 if (!eglSwapBuffers(fDisplay, fSurface)) { |
99 SkDebugf("Could not complete eglSwapBuffers.\n"); | 96 SkDebugf("Could not complete eglSwapBuffers.\n"); |
100 } | 97 } |
101 } | 98 } |
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