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

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• Author : Jamie Madill
  Date : 2017-04-05 11:22:18
  Hash : 4fd95d54
  Message : Stop using FramebufferAttachment::Target. Target includes the binding (DEPTH/STENCIL/COLOR), which is not useful for many operations. Simplify this to just passing the mip/layer. This allows us to stop using this internal struct in other classes. BUG=angleproject:1635 Change-Id: Ic5a11781bf45fe7835437fa1e363c190b876d453 Reviewed-on: https://chromium-review.googlesource.com/469152 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

• 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/Image.h"
  #include "libANGLE/Texture.h"
  #include "libANGLE/formatutils.h"
  #include "libANGLE/renderer/d3d/RenderTargetD3D.h"
  
  namespace gl
  {
  Renderbuffer::Renderbuffer(rx::RenderbufferImpl *impl, GLuint id)
      : egl::ImageSibling(id),
        mRenderbuffer(impl),
        mLabel(),
        mWidth(0),
        mHeight(0),
        mFormat(GL_RGBA4),
        mSamples(0)
  {
  }
  
  Renderbuffer::~Renderbuffer()
  {
      SafeDelete(mRenderbuffer);
  }
  
  void Renderbuffer::setLabel(const std::string &label)
  {
      mLabel = label;
  }
  
  const std::string &Renderbuffer::getLabel() const
  {
      return mLabel;
  }
  
  Error Renderbuffer::setStorage(GLenum internalformat, size_t width, size_t height)
  {
      orphanImages();
  
      ANGLE_TRY(mRenderbuffer->setStorage(internalformat, width, height));
  
      mWidth          = static_cast<GLsizei>(width);
      mHeight         = static_cast<GLsizei>(height);
      mFormat         = Format(internalformat);
      mSamples = 0;
  
      mDirtyChannel.signal();
  
      return NoError();
  }
  
  Error Renderbuffer::setStorageMultisample(size_t samples, GLenum internalformat, size_t width, size_t height)
  {
      orphanImages();
  
      ANGLE_TRY(mRenderbuffer->setStorageMultisample(samples, internalformat, width, height));
  
      mWidth          = static_cast<GLsizei>(width);
      mHeight         = static_cast<GLsizei>(height);
      mFormat         = Format(internalformat);
      mSamples        = static_cast<GLsizei>(samples);
  
      mDirtyChannel.signal();
  
      return NoError();
  }
  
  Error Renderbuffer::setStorageEGLImageTarget(egl::Image *image)
  {
      orphanImages();
  
      ANGLE_TRY(mRenderbuffer->setStorageEGLImageTarget(image));
  
      setTargetImage(image);
  
      mWidth          = static_cast<GLsizei>(image->getWidth());
      mHeight         = static_cast<GLsizei>(image->getHeight());
      mFormat         = Format(image->getFormat());
      mSamples        = 0;
  
      mDirtyChannel.signal();
  
      return NoError();
  }
  
  rx::RenderbufferImpl *Renderbuffer::getImplementation() const
  {
      ASSERT(mRenderbuffer);
      return mRenderbuffer;
  }
  
  GLsizei Renderbuffer::getWidth() const
  {
      return mWidth;
  }
  
  GLsizei Renderbuffer::getHeight() const
  {
      return mHeight;
  }
  
  const Format &Renderbuffer::getFormat() const
  {
      return mFormat;
  }
  
  GLsizei Renderbuffer::getSamples() const
  {
      return mSamples;
  }
  
  GLuint Renderbuffer::getRedSize() const
  {
      return mFormat.info->redBits;
  }
  
  GLuint Renderbuffer::getGreenSize() const
  {
      return mFormat.info->greenBits;
  }
  
  GLuint Renderbuffer::getBlueSize() const
  {
      return mFormat.info->blueBits;
  }
  
  GLuint Renderbuffer::getAlphaSize() const
  {
      return mFormat.info->alphaBits;
  }
  
  GLuint Renderbuffer::getDepthSize() const
  {
      return mFormat.info->depthBits;
  }
  
  GLuint Renderbuffer::getStencilSize() const
  {
      return mFormat.info->stencilBits;
  }
  
  void Renderbuffer::onAttach()
  {
      addRef();
  }
  
  void Renderbuffer::onDetach()
  {
      release();
  }
  
  GLuint Renderbuffer::getId() const
  {
      return id();
  }
  
  Extents Renderbuffer::getAttachmentSize(const gl::ImageIndex & /*imageIndex*/) const
  {
      return Extents(mWidth, mHeight, 1);
  }
  }  // namespace gl