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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 GLContext_DEFINED | 8 #ifndef GLTestContext_DEFINED |
| 9 #define GLContext_DEFINED | 9 #define GLTestContext_DEFINED |
| 10 | 10 |
| 11 #include "gl/GrGLInterface.h" | 11 #include "gl/GrGLInterface.h" |
| 12 #include "../private/SkGpuFenceSync.h" | 12 #include "../private/SkGpuFenceSync.h" |
| 13 | 13 |
| 14 | 14 |
| 15 namespace sk_gpu_test { | 15 namespace sk_gpu_test { |
| 16 /** | 16 /** |
| 17 * Create an offscreen Oppengl context. Provides a GrGLInterface struct of funct
ion pointers for | 17 * Create an offscreen Oppengl context. Provides a GrGLInterface struct of funct
ion pointers for |
| 18 * the context. This class is intended for Skia's internal testing needs and not
for general use. | 18 * the context. This class is intended for Skia's internal testing needs and not
for general use. |
| 19 */ | 19 */ |
| 20 class GLContext : public SkNoncopyable { | 20 class GLTestContext : public SkNoncopyable { |
| 21 public: | 21 public: |
| 22 virtual ~GLContext(); | 22 virtual ~GLTestContext(); |
| 23 | 23 |
| 24 bool isValid() const { return NULL != gl(); } | 24 bool isValid() const { return NULL != gl(); } |
| 25 | 25 |
| 26 const GrGLInterface *gl() const { return fGL.get(); } | 26 const GrGLInterface *gl() const { return fGL.get(); } |
| 27 | 27 |
| 28 bool fenceSyncSupport() const { return fFenceSync != nullptr; } | 28 bool fenceSyncSupport() const { return fFenceSync != nullptr; } |
| 29 | 29 |
| 30 bool getMaxGpuFrameLag(int *maxFrameLag) const { | 30 bool getMaxGpuFrameLag(int *maxFrameLag) const { |
| 31 if (!fFenceSync) { | 31 if (!fFenceSync) { |
| 32 return false; | 32 return false; |
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| 75 * the context. It is useful for debugging contexts that would otherwise | 75 * the context. It is useful for debugging contexts that would otherwise |
| 76 * test that GPU resources are properly deleted. It also allows a debugging | 76 * test that GPU resources are properly deleted. It also allows a debugging |
| 77 * context to test that further GL calls are not made by Skia GPU code. | 77 * context to test that further GL calls are not made by Skia GPU code. |
| 78 */ | 78 */ |
| 79 void testAbandon(); | 79 void testAbandon(); |
| 80 | 80 |
| 81 /** | 81 /** |
| 82 * Creates a new GL context of the same type and makes the returned context
current | 82 * Creates a new GL context of the same type and makes the returned context
current |
| 83 * (if not null). | 83 * (if not null). |
| 84 */ | 84 */ |
| 85 virtual GLContext *createNew() const { return nullptr; } | 85 virtual GLTestContext *createNew() const { return nullptr; } |
| 86 | 86 |
| 87 class GLFenceSync; // SkGpuFenceSync implementation that uses the OpenGL fu
nctionality. | 87 class GLFenceSync; // SkGpuFenceSync implementation that uses the OpenGL fu
nctionality. |
| 88 | 88 |
| 89 /* | 89 /* |
| 90 * returns the fencesync object owned by this GLContext | 90 * returns the fencesync object owned by this GLTestContext |
| 91 */ | 91 */ |
| 92 SkGpuFenceSync *fenceSync() { return fFenceSync.get(); } | 92 SkGpuFenceSync *fenceSync() { return fFenceSync.get(); } |
| 93 | 93 |
| 94 protected: | 94 protected: |
| 95 GLContext(); | 95 GLTestContext(); |
| 96 | 96 |
| 97 /* | 97 /* |
| 98 * Methods that sublcasses must call from their constructors and destructors
. | 98 * Methods that sublcasses must call from their constructors and destructors
. |
| 99 */ | 99 */ |
| 100 void init(const GrGLInterface *, SkGpuFenceSync * = NULL); | 100 void init(const GrGLInterface *, SkGpuFenceSync * = NULL); |
| 101 | 101 |
| 102 void teardown(); | 102 void teardown(); |
| 103 | 103 |
| 104 /* | 104 /* |
| 105 * Operations that have a platform-dependent implementation. | 105 * Operations that have a platform-dependent implementation. |
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| 121 | 121 |
| 122 /** Subclass provides the gl interface object if construction was | 122 /** Subclass provides the gl interface object if construction was |
| 123 * successful. */ | 123 * successful. */ |
| 124 SkAutoTUnref<const GrGLInterface> fGL; | 124 SkAutoTUnref<const GrGLInterface> fGL; |
| 125 | 125 |
| 126 friend class GLFenceSync; // For onPlatformGetProcAddress. | 126 friend class GLFenceSync; // For onPlatformGetProcAddress. |
| 127 }; | 127 }; |
| 128 | 128 |
| 129 | 129 |
| 130 /** Creates platform-dependent GL context object. The shareContext parameter is
in an optional | 130 /** Creates platform-dependent GL context object. The shareContext parameter is
in an optional |
| 131 * context with which to share display lists. This should be a pointer to an GLC
ontext created | 131 * context with which to share display lists. This should be a pointer to an GLT
estContext created |
| 132 * with SkCreatePlatformGLContext. NULL indicates that no sharing is to take pl
ace. Returns a valid | 132 * with SkCreatePlatformGLTestContext. NULL indicates that no sharing is to tak
e place. Returns a valid |
| 133 * gl context object or NULL if such can not be created. | 133 * gl context object or NULL if such can not be created. |
| 134 * Note: If Skia embedder needs a custom GL context that sets up the GL interfac
e, this function | 134 * Note: If Skia embedder needs a custom GL context that sets up the GL interfac
e, this function |
| 135 * should be implemented by the embedder. Otherwise, the default implementation
for the platform | 135 * should be implemented by the embedder. Otherwise, the default implementation
for the platform |
| 136 * should be compiled in the library. | 136 * should be compiled in the library. |
| 137 */ | 137 */ |
| 138 GLContext* CreatePlatformGLContext(GrGLStandard forcedGpuAPI, GLContext *shareCo
ntext = nullptr); | 138 GLTestContext* CreatePlatformGLTestContext(GrGLStandard forcedGpuAPI, GLTestCont
ext *shareContext = nullptr); |
| 139 | 139 |
| 140 } // namespace sk_gpu_test | 140 } // namespace sk_gpu_test |
| 141 #endif | 141 #endif |
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