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

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• Hash : 72468834
  Author :
  Date : 2015-01-05T15:03:18
  

  Move getData from the D3D to the Impl.
  
  We will need this functionality for index validation, so we likely
  can assume an implemenation will need to support such a call. We
  might redesign this requirement, but for now we can't call though
  to BufferD3D on OSX.
  
  BUG=angle:773
  
  Change-Id: I16187c78ff62471fdf7221a11b9956560e617a14
  Reviewed-on: https://chromium-review.googlesource.com/238450
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/BufferImpl.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.
  //
  
  // BufferImpl.h: Defines the abstract rx::BufferImpl class.
  
  #ifndef LIBANGLE_RENDERER_BUFFERIMPL_H_
  #define LIBANGLE_RENDERER_BUFFERIMPL_H_
  
  #include "common/angleutils.h"
  #include "libANGLE/Buffer.h"
  
  #include <stdint.h>
  
  namespace rx
  {
  
  class BufferImpl
  {
    public:
      virtual ~BufferImpl() { }
  
      virtual gl::Error setData(const void* data, size_t size, GLenum usage) = 0;
      virtual gl::Error setSubData(const void* data, size_t size, size_t offset) = 0;
      virtual gl::Error copySubData(BufferImpl* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size) = 0;
      virtual gl::Error map(size_t offset, size_t length, GLbitfield access, GLvoid **mapPtr) = 0;
      virtual gl::Error unmap() = 0;
      virtual void markTransformFeedbackUsage() = 0;
  
      // This method may not have a corresponding GL-backed function. It is necessary
      // for validation, for certain indexed draw calls.
      virtual gl::Error getData(const uint8_t **outData) = 0;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_BUFFERIMPL_H_
  

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