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 } 79
