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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2013 Google Inc. | 3 * Copyright 2013 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 #ifndef SkGLContextHelper_DEFINED | 8 #ifndef SkGLContextHelper_DEFINED |
9 #define SkGLContextHelper_DEFINED | 9 #define SkGLContextHelper_DEFINED |
10 | 10 |
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43 * targeted. If the current surface does not include a back buffer, this | 43 * targeted. If the current surface does not include a back buffer, this |
44 * call has no effect. | 44 * call has no effect. |
45 */ | 45 */ |
46 virtual void swapBuffers() const = 0; | 46 virtual void swapBuffers() const = 0; |
47 | 47 |
48 bool hasExtension(const char* extensionName) const { | 48 bool hasExtension(const char* extensionName) const { |
49 SkASSERT(NULL != fGL); | 49 SkASSERT(NULL != fGL); |
50 return fGL->hasExtension(extensionName); | 50 return fGL->hasExtension(extensionName); |
51 } | 51 } |
52 | 52 |
| 53 /** |
| 54 * This notifies the context that we are deliberately testing abandoning |
| 55 * the context. It is useful for debugging contexts that would otherwise |
| 56 * test that GPU resources are properly deleted. It also allows a debugging |
| 57 * context to test that further GL calls are not made by Skia GPU code. |
| 58 */ |
| 59 void testAbandon(); |
| 60 |
53 protected: | 61 protected: |
54 /** | 62 /** |
55 * Subclass implements this to make a GL context. The returned GrGLInterface | 63 * Subclass implements this to make a GL context. The returned GrGLInterface |
56 * should be populated with functions compatible with the context. The | 64 * should be populated with functions compatible with the context. The |
57 * format and size of backbuffers does not matter since an FBO will be | 65 * format and size of backbuffers does not matter since an FBO will be |
58 * created. | 66 * created. |
59 */ | 67 */ |
60 virtual const GrGLInterface* createGLContext(GrGLStandard forcedGpuAPI) = 0; | 68 virtual const GrGLInterface* createGLContext(GrGLStandard forcedGpuAPI) = 0; |
61 | 69 |
62 /** | 70 /** |
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78 * SK_GL(glCtx, GenTextures(1, &texID)); | 86 * SK_GL(glCtx, GenTextures(1, &texID)); |
79 */ | 87 */ |
80 #define SK_GL(ctx, X) (ctx).gl()->fFunctions.f ## X; \ | 88 #define SK_GL(ctx, X) (ctx).gl()->fFunctions.f ## X; \ |
81 SkASSERT(0 == (ctx).gl()->fFunctions.fGetError()) | 89 SkASSERT(0 == (ctx).gl()->fFunctions.fGetError()) |
82 #define SK_GL_RET(ctx, RET, X) (RET) = (ctx).gl()->fFunctions.f ## X; \ | 90 #define SK_GL_RET(ctx, RET, X) (RET) = (ctx).gl()->fFunctions.f ## X; \ |
83 SkASSERT(0 == (ctx).gl()->fFunctions.fGetError()) | 91 SkASSERT(0 == (ctx).gl()->fFunctions.fGetError()) |
84 #define SK_GL_NOERRCHECK(ctx, X) (ctx).gl()->fFunctions.f ## X | 92 #define SK_GL_NOERRCHECK(ctx, X) (ctx).gl()->fFunctions.f ## X |
85 #define SK_GL_RET_NOERRCHECK(ctx, RET, X) (RET) = (ctx).gl()->fFunctions.f ## X | 93 #define SK_GL_RET_NOERRCHECK(ctx, RET, X) (RET) = (ctx).gl()->fFunctions.f ## X |
86 | 94 |
87 #endif | 95 #endif |
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