kc3-lang/angle/src/libGLESv2/renderer/d3d/BufferD3D.cpp

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• Hash : 0b7eef7c
  Author :
  Date : 2014-06-12T14:10:47
  

  Removed common_includes.h reordered includes.
  
  Since we are not using precompiled headers anymore, remove common_includes.h
  so that fewer files are included in cpp files.
  
  Reordered includes to be in the following order:
   1) Local ANGLE project headers, ordered by directory in descending depth
   2) GL headers
   3) STL headers
  This helps enforce the include-what-you-use principal by reducing the
  number of STL headers unexpectedly shared between files.
  
  This include order conflicts with some of the Google c++ style guide
  which states that STL includes should be first but this helps us catch
  more issues.
  
  Change-Id: I8f7785f4ad574e253dd3c7b4fb1e54d3ce3b99fc
  Reviewed-on: https://chromium-review.googlesource.com/214850
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libGLESv2/renderer/d3d/BufferD3D.cpp

• //
  // 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.
  //
  
  // BufferD3D.cpp Defines common functionality between the Buffer9 and Buffer11 classes.
  
  #include "libGLESv2/renderer/d3d/BufferD3D.h"
  #include "libGLESv2/renderer/d3d/VertexBuffer.h"
  #include "libGLESv2/renderer/d3d/IndexBuffer.h"
  #include "libGLESv2/renderer/Renderer.h"
  #include "libGLESv2/main.h"
  
  namespace rx
  {
  
  unsigned int BufferD3D::mNextSerial = 1;
  
  BufferD3D::BufferD3D()
      : BufferImpl(),
        mStaticVertexBuffer(NULL),
        mStaticIndexBuffer(NULL)
  {
      updateSerial();
  }
  
  BufferD3D::~BufferD3D()
  {
      SafeDelete(mStaticVertexBuffer);
      SafeDelete(mStaticIndexBuffer);
  }
  
  BufferD3D *BufferD3D::makeBufferD3D(BufferImpl *buffer)
  {
      ASSERT(HAS_DYNAMIC_TYPE(BufferD3D*, buffer));
      return static_cast<BufferD3D*>(buffer);
  }
  
  void BufferD3D::updateSerial()
  {
      mSerial = mNextSerial++;
  }
  
  void BufferD3D::initializeStaticData()
  {
      if (!mStaticVertexBuffer)
      {
          mStaticVertexBuffer = new rx::StaticVertexBufferInterface(getRenderer());
      }
      if (!mStaticIndexBuffer)
      {
          mStaticIndexBuffer = new rx::StaticIndexBufferInterface(getRenderer());
      }
  }
  
  void BufferD3D::invalidateStaticData()
  {
      if ((mStaticVertexBuffer && mStaticVertexBuffer->getBufferSize() != 0) || (mStaticIndexBuffer && mStaticIndexBuffer->getBufferSize() != 0))
      {
          SafeDelete(mStaticVertexBuffer);
          SafeDelete(mStaticIndexBuffer);
      }
  
      mUnmodifiedDataUse = 0;
  }
  
  // Creates static buffers if sufficient used data has been left unmodified
  void BufferD3D::promoteStaticUsage(int dataSize)
  {
      if (!mStaticVertexBuffer && !mStaticIndexBuffer)
      {
          mUnmodifiedDataUse += dataSize;
  
          if (mUnmodifiedDataUse > 3 * getSize())
          {
              initializeStaticData();
          }
      }
  }
  
  }

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