The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/angle/src/libGLESv2/renderer/BufferStorage9.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,78 @@
     1.4 +#include "precompiled.h"
     1.5 +//
     1.6 +// Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
     1.7 +// Use of this source code is governed by a BSD-style license that can be
     1.8 +// found in the LICENSE file.
     1.9 +//
    1.10 +
    1.11 +// BufferStorage9.cpp Defines the BufferStorage9 class.
    1.12 +
    1.13 +#include "libGLESv2/renderer/BufferStorage9.h"
    1.14 +#include "common/debug.h"
    1.15 +
    1.16 +namespace rx
    1.17 +{
    1.18 +
    1.19 +BufferStorage9::BufferStorage9()
    1.20 +{
    1.21 +    mMemory = NULL;
    1.22 +    mAllocatedSize = 0;
    1.23 +    mSize = 0;
    1.24 +}
    1.25 +
    1.26 +BufferStorage9::~BufferStorage9()
    1.27 +{
    1.28 +    delete[] mMemory;
    1.29 +}
    1.30 +
    1.31 +BufferStorage9 *BufferStorage9::makeBufferStorage9(BufferStorage *bufferStorage)
    1.32 +{
    1.33 +    ASSERT(HAS_DYNAMIC_TYPE(BufferStorage9*, bufferStorage));
    1.34 +    return static_cast<BufferStorage9*>(bufferStorage);
    1.35 +}
    1.36 +
    1.37 +void *BufferStorage9::getData()
    1.38 +{
    1.39 +    return mMemory;
    1.40 +}
    1.41 +
    1.42 +void BufferStorage9::setData(const void* data, unsigned int size, unsigned int offset)
    1.43 +{
    1.44 +    if (!mMemory || offset + size > mAllocatedSize)
    1.45 +    {
    1.46 +        unsigned int newAllocatedSize = offset + size;
    1.47 +        void *newMemory = new char[newAllocatedSize];
    1.48 +
    1.49 +        if (offset > 0 && mMemory && mAllocatedSize > 0)
    1.50 +        {
    1.51 +            memcpy(newMemory, mMemory, std::min(offset, mAllocatedSize));
    1.52 +        }
    1.53 +
    1.54 +        delete[] mMemory;
    1.55 +        mMemory = newMemory;
    1.56 +        mAllocatedSize = newAllocatedSize;
    1.57 +    }
    1.58 +
    1.59 +    mSize = std::max(mSize, offset + size);
    1.60 +    if (data)
    1.61 +    {
    1.62 +        memcpy(reinterpret_cast<char*>(mMemory) + offset, data, size);
    1.63 +    }
    1.64 +}
    1.65 +
    1.66 +void BufferStorage9::clear()
    1.67 +{
    1.68 +    mSize = 0;
    1.69 +}
    1.70 +
    1.71 +unsigned int BufferStorage9::getSize() const
    1.72 +{
    1.73 +    return mSize;
    1.74 +}
    1.75 +
    1.76 +bool BufferStorage9::supportsDirectBinding() const
    1.77 +{
    1.78 +    return false;
    1.79 +}
    1.80 +
    1.81 +}