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

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• Hash : 5807a536
  Author :
  Date : 2015-12-03T13:01:22
  

  Fix buffer unbinding upon deletion.
  
  - Remove buffer bindings for new ES3 buffer types.
  - Fix detachment behavior to GLES3 spec,
    i.e. detach only from currently bound containers.
  - Make pack/unpack buffer binding parameter available in GLES3.
  - Update test expectations.
  
  BUG=angleproject:1191
  
  Change-Id: Iab4c1de8d96a523d5af55d22956d50c10f7c93c2
  Reviewed-on: https://chromium-review.googlesource.com/315521
  Tryjob-Request: Yuly Novikov <ynovikov@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Tested-by: Yuly Novikov <ynovikov@chromium.org>
  Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
  

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• src/libANGLE/TransformFeedback.cpp

• //
  // Copyright (c) 2014 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.
  //
  
  #include "libANGLE/TransformFeedback.h"
  
  #include "libANGLE/Buffer.h"
  #include "libANGLE/Caps.h"
  #include "libANGLE/renderer/TransformFeedbackImpl.h"
  
  namespace gl
  {
  
  TransformFeedback::TransformFeedback(rx::TransformFeedbackImpl* impl, GLuint id, const Caps &caps)
      : RefCountObject(id),
        mImplementation(impl),
        mActive(false),
        mPrimitiveMode(GL_NONE),
        mPaused(false),
        mGenericBuffer(),
        mIndexedBuffers(caps.maxTransformFeedbackSeparateAttributes)
  {
      ASSERT(impl != NULL);
  }
  
  TransformFeedback::~TransformFeedback()
  {
      mGenericBuffer.set(nullptr);
      for (size_t i = 0; i < mIndexedBuffers.size(); i++)
      {
          mIndexedBuffers[i].set(nullptr);
      }
  
      SafeDelete(mImplementation);
  }
  
  void TransformFeedback::begin(GLenum primitiveMode)
  {
      mActive = true;
      mPrimitiveMode = primitiveMode;
      mPaused = false;
      mImplementation->begin(primitiveMode);
  }
  
  void TransformFeedback::end()
  {
      mActive = false;
      mPrimitiveMode = GL_NONE;
      mPaused = false;
      mImplementation->end();
  }
  
  void TransformFeedback::pause()
  {
      mPaused = true;
      mImplementation->pause();
  }
  
  void TransformFeedback::resume()
  {
      mPaused = false;
      mImplementation->resume();
  }
  
  bool TransformFeedback::isActive() const
  {
      return mActive;
  }
  
  bool TransformFeedback::isPaused() const
  {
      return mPaused;
  }
  
  GLenum TransformFeedback::getPrimitiveMode() const
  {
      return mPrimitiveMode;
  }
  
  void TransformFeedback::bindGenericBuffer(Buffer *buffer)
  {
      mGenericBuffer.set(buffer);
      mImplementation->bindGenericBuffer(mGenericBuffer);
  }
  
  void TransformFeedback::detachBuffer(GLuint bufferName)
  {
      for (size_t index = 0; index < mIndexedBuffers.size(); index++)
      {
          if (mIndexedBuffers[index].id() == bufferName)
          {
              mIndexedBuffers[index].set(nullptr);
              mImplementation->bindIndexedBuffer(index, mIndexedBuffers[index]);
          }
      }
  
      if (mGenericBuffer.id() == bufferName)
      {
          mGenericBuffer.set(nullptr);
          mImplementation->bindGenericBuffer(mGenericBuffer);
      }
  }
  
  const BindingPointer<Buffer> &TransformFeedback::getGenericBuffer() const
  {
      return mGenericBuffer;
  }
  
  void TransformFeedback::bindIndexedBuffer(size_t index, Buffer *buffer, size_t offset, size_t size)
  {
      ASSERT(index < mIndexedBuffers.size());
      mIndexedBuffers[index].set(buffer, offset, size);
      mImplementation->bindIndexedBuffer(index, mIndexedBuffers[index]);
  }
  
  const OffsetBindingPointer<Buffer> &TransformFeedback::getIndexedBuffer(size_t index) const
  {
      ASSERT(index < mIndexedBuffers.size());
      return mIndexedBuffers[index];
  }
  
  size_t TransformFeedback::getIndexedBufferCount() const
  {
      return mIndexedBuffers.size();
  }
  
  rx::TransformFeedbackImpl *TransformFeedback::getImplementation()
  {
      return mImplementation;
  }
  
  const rx::TransformFeedbackImpl *TransformFeedback::getImplementation() const
  {
      return mImplementation;
  }
  
  }
  

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