kc3-lang/angle/src/libANGLE/Renderbuffer.cpp

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• Hash : cd69f1c9
  Author :
  Date : 2015-03-18T14:33:23
  

  Implement RenderbufferGL.
  
  BUG=angleproject:886
  
  Change-Id: I7480943d678b2cdf6e997c3f8316acdef32f5f0d
  Reviewed-on: https://chromium-review.googlesource.com/260889
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Reviewed-by: Brandon Jones <bajones@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/Renderbuffer.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.
  //
  
  // Renderbuffer.cpp: Implements the renderer-agnostic gl::Renderbuffer class,
  // GL renderbuffer objects and related functionality.
  // [OpenGL ES 2.0.24] section 4.4.3 page 108.
  
  #include "libANGLE/Renderbuffer.h"
  
  #include "common/utilities.h"
  #include "libANGLE/FramebufferAttachment.h"
  #include "libANGLE/Texture.h"
  #include "libANGLE/formatutils.h"
  #include "libANGLE/renderer/d3d/RenderTargetD3D.h"
  #include "libANGLE/renderer/RenderbufferImpl.h"
  
  namespace gl
  {
  Renderbuffer::Renderbuffer(rx::RenderbufferImpl *impl, GLuint id)
    : RefCountObject(id),
      mRenderbuffer(impl),
      mWidth(0),
      mHeight(0),
      mInternalFormat(GL_RGBA4),
      mSamples(0)
  {
  }
  
  Renderbuffer::~Renderbuffer()
  {
      SafeDelete(mRenderbuffer);
  }
  
  Error Renderbuffer::setStorage(GLenum internalformat, size_t width, size_t height)
  {
      Error error = mRenderbuffer->setStorage(internalformat, width, height);
      if (error.isError())
      {
          return error;
      }
  
      mWidth = width;
      mHeight = height;
      mInternalFormat = internalformat;
      mSamples = 0;
  
      return Error(GL_NO_ERROR);
  }
  
  Error Renderbuffer::setStorageMultisample(size_t samples, GLenum internalformat, size_t width, size_t height)
  {
      Error error = mRenderbuffer->setStorageMultisample(samples, internalformat, width, height);
      if (error.isError())
      {
          return error;
      }
  
      mWidth = width;
      mHeight = height;
      mInternalFormat = internalformat;
      mSamples = samples;
  
      return Error(GL_NO_ERROR);
  }
  
  rx::RenderbufferImpl *Renderbuffer::getImplementation()
  {
      ASSERT(mRenderbuffer);
      return mRenderbuffer;
  }
  
  const rx::RenderbufferImpl *Renderbuffer::getImplementation() const
  {
      return mRenderbuffer;
  }
  
  GLsizei Renderbuffer::getWidth() const
  {
      return mWidth;
  }
  
  GLsizei Renderbuffer::getHeight() const
  {
      return mHeight;
  }
  
  GLenum Renderbuffer::getInternalFormat() const
  {
      return mInternalFormat;
  }
  
  GLsizei Renderbuffer::getSamples() const
  {
      return mSamples;
  }
  
  GLuint Renderbuffer::getRedSize() const
  {
      return GetInternalFormatInfo(mInternalFormat).redBits;
  }
  
  GLuint Renderbuffer::getGreenSize() const
  {
      return GetInternalFormatInfo(mInternalFormat).greenBits;
  }
  
  GLuint Renderbuffer::getBlueSize() const
  {
      return GetInternalFormatInfo(mInternalFormat).blueBits;
  }
  
  GLuint Renderbuffer::getAlphaSize() const
  {
      return GetInternalFormatInfo(mInternalFormat).alphaBits;
  }
  
  GLuint Renderbuffer::getDepthSize() const
  {
      return GetInternalFormatInfo(mInternalFormat).depthBits;
  }
  
  GLuint Renderbuffer::getStencilSize() const
  {
      return GetInternalFormatInfo(mInternalFormat).stencilBits;
  }
  
  }
  

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