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//
// Copyright (c) 2002-2013 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.
//
// TextureStorage.cpp: Shared members of abstract rx::TextureStorage class.
#include "libGLESv2/renderer/d3d/TextureStorage.h"
#include "libGLESv2/renderer/d3d/TextureD3D.h"
#include "libGLESv2/renderer/Renderer.h"
#include "libGLESv2/Renderbuffer.h"
#include "libGLESv2/Texture.h"
#include "common/debug.h"
#include "common/mathutil.h"
namespace rx
{
unsigned int TextureStorage::mCurrentTextureSerial = 1;
TextureStorage::TextureStorage()
: mTextureSerial(issueTextureSerial()),
mFirstRenderTargetSerial(0),
mRenderTargetSerialsLayerStride(0)
{}
void TextureStorage::initializeSerials(unsigned int rtSerialsToReserve, unsigned int rtSerialsLayerStride)
{
mFirstRenderTargetSerial = gl::RenderbufferStorage::issueSerials(rtSerialsToReserve);
mRenderTargetSerialsLayerStride = rtSerialsLayerStride;
}
unsigned int TextureStorage::getRenderTargetSerial(const gl::ImageIndex &index) const
{
unsigned int layerOffset = (index.hasLayer() ? (static_cast<unsigned int>(index.layerIndex) * mRenderTargetSerialsLayerStride) : 0);
return mFirstRenderTargetSerial + static_cast<unsigned int>(index.mipIndex) + layerOffset;
}
unsigned int TextureStorage::getTextureSerial() const
{
return mTextureSerial;
}
unsigned int TextureStorage::issueTextureSerial()
{
return mCurrentTextureSerial++;
}
}
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