kc3-lang/angle/src/libANGLE/renderer/TransformFeedbackImpl.h

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• Author : Geoff Lang
  Date : 2016-07-15 13:01:24
  Hash : 73bd218e
  Message : Support virtualized contexts and transform feedback in Renderer11. Track buffer offets in the transform feedback object and dirty them when a buffer is bound. This fixes problems when a buffer is rebound at the same offset and maintains tracking between context switches. BUG=angleproject:1447 BUG=angleproject:1298 Change-Id: I2f890e3ad5edacab47f624a95a502615c86cc0c8 Reviewed-on: https://chromium-review.googlesource.com/360910 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/renderer/TransformFeedbackImpl.h

• //
  // Copyright 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.
  //
  
  // TransformFeedbackImpl.h: Defines the abstract rx::TransformFeedbackImpl class.
  
  #ifndef LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_
  #define LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_
  
  #include "common/angleutils.h"
  #include "libANGLE/TransformFeedback.h"
  
  namespace rx
  {
  
  class TransformFeedbackImpl : angle::NonCopyable
  {
    public:
      TransformFeedbackImpl(const gl::TransformFeedbackState &state) : mState(state) {}
      virtual ~TransformFeedbackImpl() { }
  
      virtual void begin(GLenum primitiveMode) = 0;
      virtual void end() = 0;
      virtual void pause() = 0;
      virtual void resume() = 0;
  
      virtual void bindGenericBuffer(const BindingPointer<gl::Buffer> &binding) = 0;
      virtual void bindIndexedBuffer(size_t index, const OffsetBindingPointer<gl::Buffer> &binding) = 0;
  
    protected:
      const gl::TransformFeedbackState &mState;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_