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#include "precompiled.h"
//
// Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// BufferStorage9.cpp Defines the BufferStorage9 class.
#include "libGLESv2/renderer/BufferStorage9.h"
#include "common/debug.h"
namespace rx
{
BufferStorage9::BufferStorage9()
{
mMemory = NULL;
mAllocatedSize = 0;
mSize = 0;
}
BufferStorage9::~BufferStorage9()
{
delete[] mMemory;
}
BufferStorage9 *BufferStorage9::makeBufferStorage9(BufferStorage *bufferStorage)
{
ASSERT(HAS_DYNAMIC_TYPE(BufferStorage9*, bufferStorage));
return static_cast<BufferStorage9*>(bufferStorage);
}
void *BufferStorage9::getData()
{
return mMemory;
}
void BufferStorage9::setData(const void* data, unsigned int size, unsigned int offset)
{
if (!mMemory || offset + size > mAllocatedSize)
{
unsigned int newAllocatedSize = offset + size;
void *newMemory = new char[newAllocatedSize];
if (offset > 0 && mMemory && mAllocatedSize > 0)
{
memcpy(newMemory, mMemory, std::min(offset, mAllocatedSize));
}
delete[] mMemory;
mMemory = newMemory;
mAllocatedSize = newAllocatedSize;
}
mSize = std::max(mSize, offset + size);
if (data)
{
memcpy(reinterpret_cast<char*>(mMemory) + offset, data, size);
}
}
void BufferStorage9::clear()
{
mSize = 0;
}
unsigned int BufferStorage9::getSize() const
{
return mSize;
}
bool BufferStorage9::supportsDirectBinding() const
{
return false;
}
}
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