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comparison: gfx/angle/src/libGLESv2/renderer/BufferStorage9.cpp
gfx/angle/src/libGLESv2/renderer/BufferStorage9.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:5723a5396800 |
|---|---|
| 1 #include "precompiled.h" | |
| 2 // | |
| 3 // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. | |
| 4 // Use of this source code is governed by a BSD-style license that can be | |
| 5 // found in the LICENSE file. | |
| 6 // | |
| 7 | |
| 8 // BufferStorage9.cpp Defines the BufferStorage9 class. | |
| 9 | |
| 10 #include "libGLESv2/renderer/BufferStorage9.h" | |
| 11 #include "common/debug.h" | |
| 12 | |
| 13 namespace rx | |
| 14 { | |
| 15 | |
| 16 BufferStorage9::BufferStorage9() | |
| 17 { | |
| 18 mMemory = NULL; | |
| 19 mAllocatedSize = 0; | |
| 20 mSize = 0; | |
| 21 } | |
| 22 | |
| 23 BufferStorage9::~BufferStorage9() | |
| 24 { | |
| 25 delete[] mMemory; | |
| 26 } | |
| 27 | |
| 28 BufferStorage9 *BufferStorage9::makeBufferStorage9(BufferStorage *bufferStorage) | |
| 29 { | |
| 30 ASSERT(HAS_DYNAMIC_TYPE(BufferStorage9*, bufferStorage)); | |
| 31 return static_cast<BufferStorage9*>(bufferStorage); | |
| 32 } | |
| 33 | |
| 34 void *BufferStorage9::getData() | |
| 35 { | |
| 36 return mMemory; | |
| 37 } | |
| 38 | |
| 39 void BufferStorage9::setData(const void* data, unsigned int size, unsigned int offset) | |
| 40 { | |
| 41 if (!mMemory || offset + size > mAllocatedSize) | |
| 42 { | |
| 43 unsigned int newAllocatedSize = offset + size; | |
| 44 void *newMemory = new char[newAllocatedSize]; | |
| 45 | |
| 46 if (offset > 0 && mMemory && mAllocatedSize > 0) | |
| 47 { | |
| 48 memcpy(newMemory, mMemory, std::min(offset, mAllocatedSize)); | |
| 49 } | |
| 50 | |
| 51 delete[] mMemory; | |
| 52 mMemory = newMemory; | |
| 53 mAllocatedSize = newAllocatedSize; | |
| 54 } | |
| 55 | |
| 56 mSize = std::max(mSize, offset + size); | |
| 57 if (data) | |
| 58 { | |
| 59 memcpy(reinterpret_cast<char*>(mMemory) + offset, data, size); | |
| 60 } | |
| 61 } | |
| 62 | |
| 63 void BufferStorage9::clear() | |
| 64 { | |
| 65 mSize = 0; | |
| 66 } | |
| 67 | |
| 68 unsigned int BufferStorage9::getSize() const | |
| 69 { | |
| 70 return mSize; | |
| 71 } | |
| 72 | |
| 73 bool BufferStorage9::supportsDirectBinding() const | |
| 74 { | |
| 75 return false; | |
| 76 } | |
| 77 | |
| 78 } |
