kc3-lang/angle/src/libANGLE/renderer/d3d/ImageD3D.cpp

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• Author : Jamie Madill
  Date : 2015-05-04 12:55:18
  Hash : 8cf813c7
  Message : Query attachment render targets from Impl class. *re-land with fix for D3D9* This allows us to eradicate the GetAttachmentRenderTarget methods. This improves potential performance, at the cost of exposing a Renderer-specific function at the API object level. BUG=angleproject:963 Change-Id: Iee9f985ddaed668df0c622228004b348eb4d2ea8 Reviewed-on: https://chromium-review.googlesource.com/269006 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/renderer/d3d/ImageD3D.cpp

• //
  // Copyright (c) 2002-2015 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.
  //
  
  // Image.h: Implements the rx::Image class, an abstract base class for the
  // renderer-specific classes which will define the interface to the underlying
  // surfaces or resources.
  
  #include "libANGLE/renderer/d3d/ImageD3D.h"
  
  #include "libANGLE/Framebuffer.h"
  #include "libANGLE/FramebufferAttachment.h"
  #include "libANGLE/renderer/d3d/FramebufferD3D.h"
  #include "libANGLE/renderer/d3d/RenderTargetD3D.h"
  
  namespace rx
  {
  
  ImageD3D::ImageD3D()
      : mWidth(0),
        mHeight(0),
        mDepth(0),
        mInternalFormat(GL_NONE),
        mTarget(GL_NONE),
        mRenderable(false),
        mDirty(false)
  {
  }
  
  gl::Error ImageD3D::copy(const gl::Offset &destOffset, const gl::Rectangle &sourceArea, const gl::Framebuffer *source)
  {
      const gl::FramebufferAttachment *srcAttachment = source->getReadColorbuffer();
      ASSERT(srcAttachment);
  
      RenderTargetD3D *renderTarget = NULL;
      gl::Error error = srcAttachment->getRenderTarget(&renderTarget);
      if (error.isError())
      {
          return error;
      }
  
      ASSERT(renderTarget);
      return copy(destOffset, sourceArea, renderTarget);
  }
  
  }