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| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "GrGLBufferImpl.h" | 8 #include "GrGLBufferImpl.h" |
| 9 #include "GrGpuGL.h" | 9 #include "GrGpuGL.h" |
| 10 | 10 |
| (...skipping 26 matching lines...) Expand all Loading... |
| 37 if (NULL != fCPUData) { | 37 if (NULL != fCPUData) { |
| 38 VALIDATE(); | 38 VALIDATE(); |
| 39 sk_free(fCPUData); | 39 sk_free(fCPUData); |
| 40 fCPUData = NULL; | 40 fCPUData = NULL; |
| 41 } else if (fDesc.fID && !fDesc.fIsWrapped) { | 41 } else if (fDesc.fID && !fDesc.fIsWrapped) { |
| 42 VALIDATE(); | 42 VALIDATE(); |
| 43 GL_CALL(gpu, DeleteBuffers(1, &fDesc.fID)); | 43 GL_CALL(gpu, DeleteBuffers(1, &fDesc.fID)); |
| 44 if (GR_GL_ARRAY_BUFFER == fBufferType) { | 44 if (GR_GL_ARRAY_BUFFER == fBufferType) { |
| 45 gpu->notifyVertexBufferDelete(fDesc.fID); | 45 gpu->notifyVertexBufferDelete(fDesc.fID); |
| 46 } else { | 46 } else { |
| 47 GrAssert(GR_GL_ELEMENT_ARRAY_BUFFER == fBufferType); | 47 SkASSERT(GR_GL_ELEMENT_ARRAY_BUFFER == fBufferType); |
| 48 gpu->notifyIndexBufferDelete(fDesc.fID); | 48 gpu->notifyIndexBufferDelete(fDesc.fID); |
| 49 } | 49 } |
| 50 fDesc.fID = 0; | 50 fDesc.fID = 0; |
| 51 } | 51 } |
| 52 fLockPtr = NULL; | 52 fLockPtr = NULL; |
| 53 } | 53 } |
| 54 | 54 |
| 55 void GrGLBufferImpl::abandon() { | 55 void GrGLBufferImpl::abandon() { |
| 56 fDesc.fID = 0; | 56 fDesc.fID = 0; |
| 57 fLockPtr = NULL; | 57 fLockPtr = NULL; |
| 58 sk_free(fCPUData); | 58 sk_free(fCPUData); |
| 59 fCPUData = NULL; | 59 fCPUData = NULL; |
| 60 } | 60 } |
| 61 | 61 |
| 62 void GrGLBufferImpl::bind(GrGpuGL* gpu) const { | 62 void GrGLBufferImpl::bind(GrGpuGL* gpu) const { |
| 63 VALIDATE(); | 63 VALIDATE(); |
| 64 if (GR_GL_ARRAY_BUFFER == fBufferType) { | 64 if (GR_GL_ARRAY_BUFFER == fBufferType) { |
| 65 gpu->bindVertexBuffer(fDesc.fID); | 65 gpu->bindVertexBuffer(fDesc.fID); |
| 66 } else { | 66 } else { |
| 67 GrAssert(GR_GL_ELEMENT_ARRAY_BUFFER == fBufferType); | 67 SkASSERT(GR_GL_ELEMENT_ARRAY_BUFFER == fBufferType); |
| 68 gpu->bindIndexBufferAndDefaultVertexArray(fDesc.fID); | 68 gpu->bindIndexBufferAndDefaultVertexArray(fDesc.fID); |
| 69 } | 69 } |
| 70 } | 70 } |
| 71 | 71 |
| 72 void* GrGLBufferImpl::lock(GrGpuGL* gpu) { | 72 void* GrGLBufferImpl::lock(GrGpuGL* gpu) { |
| 73 VALIDATE(); | 73 VALIDATE(); |
| 74 GrAssert(!this->isLocked()); | 74 SkASSERT(!this->isLocked()); |
| 75 if (0 == fDesc.fID) { | 75 if (0 == fDesc.fID) { |
| 76 fLockPtr = fCPUData; | 76 fLockPtr = fCPUData; |
| 77 } else if (gpu->caps()->bufferLockSupport()) { | 77 } else if (gpu->caps()->bufferLockSupport()) { |
| 78 this->bind(gpu); | 78 this->bind(gpu); |
| 79 // Let driver know it can discard the old data | 79 // Let driver know it can discard the old data |
| 80 GL_CALL(gpu, BufferData(fBufferType, | 80 GL_CALL(gpu, BufferData(fBufferType, |
| 81 fDesc.fSizeInBytes, | 81 fDesc.fSizeInBytes, |
| 82 NULL, | 82 NULL, |
| 83 fDesc.fDynamic ? DYNAMIC_USAGE_PARAM : GR_GL_STA
TIC_DRAW)); | 83 fDesc.fDynamic ? DYNAMIC_USAGE_PARAM : GR_GL_STA
TIC_DRAW)); |
| 84 GR_GL_CALL_RET(gpu->glInterface(), | 84 GR_GL_CALL_RET(gpu->glInterface(), |
| 85 fLockPtr, | 85 fLockPtr, |
| 86 MapBuffer(fBufferType, GR_GL_WRITE_ONLY)); | 86 MapBuffer(fBufferType, GR_GL_WRITE_ONLY)); |
| 87 } | 87 } |
| 88 return fLockPtr; | 88 return fLockPtr; |
| 89 } | 89 } |
| 90 | 90 |
| 91 void GrGLBufferImpl::unlock(GrGpuGL* gpu) { | 91 void GrGLBufferImpl::unlock(GrGpuGL* gpu) { |
| 92 VALIDATE(); | 92 VALIDATE(); |
| 93 GrAssert(this->isLocked()); | 93 SkASSERT(this->isLocked()); |
| 94 if (0 != fDesc.fID) { | 94 if (0 != fDesc.fID) { |
| 95 GrAssert(gpu->caps()->bufferLockSupport()); | 95 SkASSERT(gpu->caps()->bufferLockSupport()); |
| 96 this->bind(gpu); | 96 this->bind(gpu); |
| 97 GL_CALL(gpu, UnmapBuffer(fBufferType)); | 97 GL_CALL(gpu, UnmapBuffer(fBufferType)); |
| 98 } | 98 } |
| 99 fLockPtr = NULL; | 99 fLockPtr = NULL; |
| 100 } | 100 } |
| 101 | 101 |
| 102 bool GrGLBufferImpl::isLocked() const { | 102 bool GrGLBufferImpl::isLocked() const { |
| 103 VALIDATE(); | 103 VALIDATE(); |
| 104 return NULL != fLockPtr; | 104 return NULL != fLockPtr; |
| 105 } | 105 } |
| 106 | 106 |
| 107 bool GrGLBufferImpl::updateData(GrGpuGL* gpu, const void* src, size_t srcSizeInB
ytes) { | 107 bool GrGLBufferImpl::updateData(GrGpuGL* gpu, const void* src, size_t srcSizeInB
ytes) { |
| 108 GrAssert(!this->isLocked()); | 108 SkASSERT(!this->isLocked()); |
| 109 VALIDATE(); | 109 VALIDATE(); |
| 110 if (srcSizeInBytes > fDesc.fSizeInBytes) { | 110 if (srcSizeInBytes > fDesc.fSizeInBytes) { |
| 111 return false; | 111 return false; |
| 112 } | 112 } |
| 113 if (0 == fDesc.fID) { | 113 if (0 == fDesc.fID) { |
| 114 memcpy(fCPUData, src, srcSizeInBytes); | 114 memcpy(fCPUData, src, srcSizeInBytes); |
| 115 return true; | 115 return true; |
| 116 } | 116 } |
| 117 this->bind(gpu); | 117 this->bind(gpu); |
| 118 GrGLenum usage = fDesc.fDynamic ? DYNAMIC_USAGE_PARAM : GR_GL_STATIC_DRAW; | 118 GrGLenum usage = fDesc.fDynamic ? DYNAMIC_USAGE_PARAM : GR_GL_STATIC_DRAW; |
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| 150 GL_CALL(gpu, BufferData(fBufferType, srcSizeInBytes + 1, NULL, usage)); | 150 GL_CALL(gpu, BufferData(fBufferType, srcSizeInBytes + 1, NULL, usage)); |
| 151 GL_CALL(gpu, BufferSubData(fBufferType, 0, srcSizeInBytes, src)); | 151 GL_CALL(gpu, BufferSubData(fBufferType, 0, srcSizeInBytes, src)); |
| 152 } else { | 152 } else { |
| 153 GL_CALL(gpu, BufferData(fBufferType, srcSizeInBytes, src, usage)); | 153 GL_CALL(gpu, BufferData(fBufferType, srcSizeInBytes, src, usage)); |
| 154 } | 154 } |
| 155 #endif | 155 #endif |
| 156 return true; | 156 return true; |
| 157 } | 157 } |
| 158 | 158 |
| 159 void GrGLBufferImpl::validate() const { | 159 void GrGLBufferImpl::validate() const { |
| 160 GrAssert(GR_GL_ARRAY_BUFFER == fBufferType || GR_GL_ELEMENT_ARRAY_BUFFER ==
fBufferType); | 160 SkASSERT(GR_GL_ARRAY_BUFFER == fBufferType || GR_GL_ELEMENT_ARRAY_BUFFER ==
fBufferType); |
| 161 // The following assert isn't valid when the buffer has been abandoned: | 161 // The following assert isn't valid when the buffer has been abandoned: |
| 162 // GrAssert((0 == fDesc.fID) == (NULL != fCPUData)); | 162 // SkASSERT((0 == fDesc.fID) == (NULL != fCPUData)); |
| 163 GrAssert(0 != fDesc.fID || !fDesc.fIsWrapped); | 163 SkASSERT(0 != fDesc.fID || !fDesc.fIsWrapped); |
| 164 GrAssert(NULL == fCPUData || NULL == fLockPtr || fCPUData == fLockPtr); | 164 SkASSERT(NULL == fCPUData || NULL == fLockPtr || fCPUData == fLockPtr); |
| 165 } | 165 } |
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