| // |
| // 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++; |
| } |
| |
| } |