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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 |
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31 fCPUData = NULL; | 31 fCPUData = NULL; |
32 // We assume that the GL buffer was created at the desc's size initially
. | 32 // We assume that the GL buffer was created at the desc's size initially
. |
33 fGLSizeInBytes = fDesc.fSizeInBytes; | 33 fGLSizeInBytes = fDesc.fSizeInBytes; |
34 } | 34 } |
35 VALIDATE(); | 35 VALIDATE(); |
36 } | 36 } |
37 | 37 |
38 void GrGLBufferImpl::release(GrGpuGL* gpu) { | 38 void GrGLBufferImpl::release(GrGpuGL* gpu) { |
39 VALIDATE(); | 39 VALIDATE(); |
40 // make sure we've not been abandoned or already released | 40 // make sure we've not been abandoned or already released |
41 if (NULL != fCPUData) { | 41 if (fCPUData) { |
42 sk_free(fCPUData); | 42 sk_free(fCPUData); |
43 fCPUData = NULL; | 43 fCPUData = NULL; |
44 } else if (fDesc.fID && !fDesc.fIsWrapped) { | 44 } else if (fDesc.fID && !fDesc.fIsWrapped) { |
45 GL_CALL(gpu, DeleteBuffers(1, &fDesc.fID)); | 45 GL_CALL(gpu, DeleteBuffers(1, &fDesc.fID)); |
46 if (GR_GL_ARRAY_BUFFER == fBufferType) { | 46 if (GR_GL_ARRAY_BUFFER == fBufferType) { |
47 gpu->notifyVertexBufferDelete(fDesc.fID); | 47 gpu->notifyVertexBufferDelete(fDesc.fID); |
48 } else { | 48 } else { |
49 SkASSERT(GR_GL_ELEMENT_ARRAY_BUFFER == fBufferType); | 49 SkASSERT(GR_GL_ELEMENT_ARRAY_BUFFER == fBufferType); |
50 gpu->notifyIndexBufferDelete(fDesc.fID); | 50 gpu->notifyIndexBufferDelete(fDesc.fID); |
51 } | 51 } |
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150 this->bind(gpu); | 150 this->bind(gpu); |
151 GR_GL_CALL(gpu->glInterface(), UnmapBufferSubData(fMapPtr)); | 151 GR_GL_CALL(gpu->glInterface(), UnmapBufferSubData(fMapPtr)); |
152 break; | 152 break; |
153 } | 153 } |
154 } | 154 } |
155 fMapPtr = NULL; | 155 fMapPtr = NULL; |
156 } | 156 } |
157 | 157 |
158 bool GrGLBufferImpl::isMapped() const { | 158 bool GrGLBufferImpl::isMapped() const { |
159 VALIDATE(); | 159 VALIDATE(); |
160 return NULL != fMapPtr; | 160 return SkToBool(fMapPtr); |
161 } | 161 } |
162 | 162 |
163 bool GrGLBufferImpl::updateData(GrGpuGL* gpu, const void* src, size_t srcSizeInB
ytes) { | 163 bool GrGLBufferImpl::updateData(GrGpuGL* gpu, const void* src, size_t srcSizeInB
ytes) { |
164 SkASSERT(!this->isMapped()); | 164 SkASSERT(!this->isMapped()); |
165 VALIDATE(); | 165 VALIDATE(); |
166 if (srcSizeInBytes > fDesc.fSizeInBytes) { | 166 if (srcSizeInBytes > fDesc.fSizeInBytes) { |
167 return false; | 167 return false; |
168 } | 168 } |
169 if (0 == fDesc.fID) { | 169 if (0 == fDesc.fID) { |
170 memcpy(fCPUData, src, srcSizeInBytes); | 170 memcpy(fCPUData, src, srcSizeInBytes); |
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211 fGLSizeInBytes = srcSizeInBytes; | 211 fGLSizeInBytes = srcSizeInBytes; |
212 GL_CALL(gpu, BufferData(fBufferType, fGLSizeInBytes, src, usage)); | 212 GL_CALL(gpu, BufferData(fBufferType, fGLSizeInBytes, src, usage)); |
213 } | 213 } |
214 #endif | 214 #endif |
215 return true; | 215 return true; |
216 } | 216 } |
217 | 217 |
218 void GrGLBufferImpl::validate() const { | 218 void GrGLBufferImpl::validate() const { |
219 SkASSERT(GR_GL_ARRAY_BUFFER == fBufferType || GR_GL_ELEMENT_ARRAY_BUFFER ==
fBufferType); | 219 SkASSERT(GR_GL_ARRAY_BUFFER == fBufferType || GR_GL_ELEMENT_ARRAY_BUFFER ==
fBufferType); |
220 // The following assert isn't valid when the buffer has been abandoned: | 220 // The following assert isn't valid when the buffer has been abandoned: |
221 // SkASSERT((0 == fDesc.fID) == (NULL != fCPUData)); | 221 // SkASSERT((0 == fDesc.fID) == (fCPUData)); |
222 SkASSERT(0 != fDesc.fID || !fDesc.fIsWrapped); | 222 SkASSERT(0 != fDesc.fID || !fDesc.fIsWrapped); |
223 SkASSERT(NULL == fCPUData || 0 == fGLSizeInBytes); | 223 SkASSERT(NULL == fCPUData || 0 == fGLSizeInBytes); |
224 SkASSERT(NULL == fMapPtr || NULL != fCPUData || fGLSizeInBytes == fDesc.fSiz
eInBytes); | 224 SkASSERT(NULL == fMapPtr || fCPUData || fGLSizeInBytes == fDesc.fSizeInBytes
); |
225 SkASSERT(NULL == fCPUData || NULL == fMapPtr || fCPUData == fMapPtr); | 225 SkASSERT(NULL == fCPUData || NULL == fMapPtr || fCPUData == fMapPtr); |
226 } | 226 } |
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