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

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• Hash : 045536bf
  Author :
  Date : 2015-03-27T15:17:18
  

  Store current transform feedback buffer bindings in the object itself.
  
  BUG=angleproject:763
  
  Change-Id: I76565f68fa8145da29713de2a517a39a8d50a24b
  Reviewed-on: https://chromium-review.googlesource.com/263061
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/TransformFeedback.h

• //
  // 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.
  //
  
  #ifndef LIBANGLE_TRANSFORM_FEEDBACK_H_
  #define LIBANGLE_TRANSFORM_FEEDBACK_H_
  
  #include "libANGLE/RefCountObject.h"
  
  #include "common/angleutils.h"
  
  #include "angle_gl.h"
  
  namespace rx
  {
  class TransformFeedbackImpl;
  }
  
  namespace gl
  {
  class Buffer;
  struct Caps;
  
  class TransformFeedback : public RefCountObject
  {
    public:
      TransformFeedback(rx::TransformFeedbackImpl* impl, GLuint id, const Caps &caps);
      virtual ~TransformFeedback();
  
      void begin(GLenum primitiveMode);
      void end();
      void pause();
      void resume();
  
      bool isActive() const;
      bool isPaused() const;
      GLenum getPrimitiveMode() const;
  
      void bindGenericBuffer(Buffer *buffer);
      const BindingPointer<Buffer> &getGenericBuffer() const;
  
      void bindIndexedBuffer(size_t index, Buffer *buffer, size_t offset, size_t size);
      const OffsetBindingPointer<Buffer> &getIndexedBuffer(size_t index) const;
      size_t getIndexedBufferCount() const;
  
      rx::TransformFeedbackImpl *getImplementation();
      const rx::TransformFeedbackImpl *getImplementation() const;
  
    private:
      rx::TransformFeedbackImpl* mImplementation;
  
      bool mActive;
      GLenum mPrimitiveMode;
      bool mPaused;
  
      BindingPointer<Buffer> mGenericBuffer;
      std::vector<OffsetBindingPointer<Buffer>> mIndexedBuffers;
  };
  
  }
  
  #endif // LIBANGLE_TRANSFORM_FEEDBACK_H_
  

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