kc3-lang/angle/src/libGLESv2/renderer/d3d/TextureStorage.cpp

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• Hash : f8bdfebc
  Author :
  Date : 2014-07-31T18:31:28
  

  Revert "Unifying the various texture interfaces where possible"
  
  This reverts commit 8c9038d6f57a4b53c97c4fb803259e7a50ab4cea.
  
  Change-Id: I29c25121870e6f8d12144d235029f46fff90be7c
  Reviewed-on: https://chromium-review.googlesource.com/210651
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libGLESv2/renderer/d3d/TextureStorage.cpp

• #include "precompiled.h"
  //
  // 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: Implements the abstract rx::TextureStorageInterface class and its concrete derived
  // classes TextureStorageInterface2D and TextureStorageInterfaceCube, which act as the interface to the
  // GPU-side texture.
  
  #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 TextureStorageInterface::mCurrentTextureSerial = 1;
  
  TextureStorageInterface::TextureStorageInterface()
      : mTextureSerial(issueTextureSerial()),
        mInstance(NULL)
  {
  }
  
  TextureStorageInterface::~TextureStorageInterface()
  {
      delete mInstance;
  }
  
  bool TextureStorageInterface::isRenderTarget() const
  {
      return mInstance->isRenderTarget();
  }
  
  bool TextureStorageInterface::isManaged() const
  {
      return mInstance->isManaged();
  }
  
  unsigned int TextureStorageInterface::getTextureSerial() const
  {
      return mTextureSerial;
  }
  
  unsigned int TextureStorageInterface::issueTextureSerial()
  {
      return mCurrentTextureSerial++;
  }
  
  int TextureStorageInterface::getTopLevel() const
  {
      return mInstance->getTopLevel();
  }
  
  int TextureStorageInterface::getLevelCount() const
  {
      return mInstance->getLevelCount();
  }
  
  TextureStorageInterface2D::TextureStorageInterface2D(Renderer *renderer, SwapChain *swapchain)
  {
      mFirstRenderTargetSerial = gl::RenderbufferStorage::issueSerials(1);
  
      mInstance = renderer->createTextureStorage2D(swapchain);
  }
  
  TextureStorageInterface2D::TextureStorageInterface2D(Renderer *renderer, GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels)
  {
      mInstance = renderer->createTextureStorage2D(internalformat, renderTarget, width, height, levels);
      mFirstRenderTargetSerial = gl::RenderbufferStorage::issueSerials(static_cast<GLuint>(mInstance->getLevelCount()));
  }
  
  TextureStorageInterface2D::~TextureStorageInterface2D()
  {
  }
  
  RenderTarget *TextureStorageInterface2D::getRenderTarget(GLint level) const
  {
      return mInstance->getRenderTarget(level);
  }
  
  void TextureStorageInterface2D::generateMipmap(int level)
  {
      mInstance->generateMipmap(level);
  }
  
  unsigned int TextureStorageInterface2D::getRenderTargetSerial(GLint level) const
  {
      return mFirstRenderTargetSerial + level;
  }
  
  TextureStorageInterfaceCube::TextureStorageInterfaceCube(Renderer *renderer, GLenum internalformat, bool renderTarget, int size, int levels)
  {
      mInstance = renderer->createTextureStorageCube(internalformat, renderTarget, size, levels);
      mFirstRenderTargetSerial = gl::RenderbufferStorage::issueSerials(static_cast<GLuint>(mInstance->getLevelCount() * 6));
  }
  
  TextureStorageInterfaceCube::~TextureStorageInterfaceCube()
  {
  }
  
  RenderTarget *TextureStorageInterfaceCube::getRenderTarget(GLenum faceTarget, GLint level) const
  {
      return mInstance->getRenderTargetFace(faceTarget, level);
  }
  
  void TextureStorageInterfaceCube::generateMipmap(int faceIndex, int level)
  {
      mInstance->generateMipmap(faceIndex, level);
  }
  
  unsigned int TextureStorageInterfaceCube::getRenderTargetSerial(GLenum target, GLint level) const
  {
      return mFirstRenderTargetSerial + (level * 6) + TextureD3D_Cube::targetToIndex(target);
  }
  
  TextureStorageInterface3D::TextureStorageInterface3D(Renderer *renderer, GLenum internalformat, bool renderTarget,
                                                       GLsizei width, GLsizei height, GLsizei depth, int levels)
  {
  
      mInstance = renderer->createTextureStorage3D(internalformat, renderTarget, width, height, depth, levels);
      mFirstRenderTargetSerial = gl::RenderbufferStorage::issueSerials(static_cast<GLuint>(mInstance->getLevelCount() * depth));
  }
  
  TextureStorageInterface3D::~TextureStorageInterface3D()
  {
  }
  
  void TextureStorageInterface3D::generateMipmap(int level)
  {
      mInstance->generateMipmap(level);
  }
  
  RenderTarget *TextureStorageInterface3D::getRenderTarget(GLint level) const
  {
      return mInstance->getRenderTarget(level);
  }
  
  RenderTarget *TextureStorageInterface3D::getRenderTarget(GLint level, GLint layer) const
  {
      return mInstance->getRenderTargetLayer(level, layer);
  }
  
  unsigned int TextureStorageInterface3D::getRenderTargetSerial(GLint level, GLint layer) const
  {
      return mFirstRenderTargetSerial + static_cast<unsigned int>((layer * mInstance->getLevelCount()) + level);
  }
  
  TextureStorageInterface2DArray::TextureStorageInterface2DArray(Renderer *renderer, GLenum internalformat, bool renderTarget,
                                                                 GLsizei width, GLsizei height, GLsizei depth, int levels)
  {
      mInstance = renderer->createTextureStorage2DArray(internalformat, renderTarget, width, height, depth, levels);
      mFirstRenderTargetSerial = gl::RenderbufferStorage::issueSerials(static_cast<GLuint>(mInstance->getLevelCount() * depth));
  }
  
  TextureStorageInterface2DArray::~TextureStorageInterface2DArray()
  {
  }
  
  void TextureStorageInterface2DArray::generateMipmap(int level)
  {
      mInstance->generateMipmap(level);
  }
  
  RenderTarget *TextureStorageInterface2DArray::getRenderTarget(GLint level, GLint layer) const
  {
      return mInstance->getRenderTargetLayer(level, layer);
  }
  
  unsigned int TextureStorageInterface2DArray::getRenderTargetSerial(GLint level, GLint layer) const
  {
      return mFirstRenderTargetSerial + static_cast<unsigned int>((layer * mInstance->getLevelCount()) + level);
  }
  
  }
  

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