kc3-lang/angle/src/libGLESv2/renderer/Image.cpp

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• Hash : 5a0c45e1
  Author :
  Date : 2014-10-02T11:10:36
  

  Accept RenderTargets as parameters to Image::copy.
  
  This gives us the flexibility to use copy internally for Textures
  as well as FBO attachments. This will be useful for the TexSubImage
  performance workaround.
  
  BUG=angle:729
  
  Change-Id: I4df8ef3a5a928d44ef84100cd96a5d35f12b47fa
  Reviewed-on: https://chromium-review.googlesource.com/219863
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libGLESv2/renderer/Image.cpp

• //
  // Copyright (c) 2002-2012 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 "libGLESv2/renderer/Image.h"
  #include "libGLESv2/Framebuffer.h"
  #include "libGLESv2/main.h"
  
  namespace rx
  {
  
  Image::Image()
  {
      mWidth = 0;
      mHeight = 0;
      mDepth = 0;
      mInternalFormat = GL_NONE;
      mActualFormat = GL_NONE;
      mTarget = GL_NONE;
      mRenderable = false;
      mDirty = false;
  }
  
  void Image::copy(GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source)
  {
      gl::FramebufferAttachment *colorbuffer = source->getReadColorbuffer();
  
      if (!colorbuffer)
      {
          return gl::error(GL_OUT_OF_MEMORY);
      }
  
      RenderTarget *renderTarget = GetAttachmentRenderTarget(colorbuffer);
      ASSERT(renderTarget);
      copy(xoffset, yoffset, zoffset, x, y, width, height, renderTarget);
  }
  
  }
  

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