kc3-lang/angle/src/libANGLE/renderer/d3d/d3d9/Buffer9.cpp

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• Hash : acf2f3ad
  Author :
  Date : 2017-11-21T19:22:44
  

  Apply Chromium style fixes.
  
  This addresses several minor code quality issues that are validated
  in Chromium, but not yet applied to ANGLE:
  
  * constructors and destructors must be defined out-of-line
  * auto is not allowed for simple pointer types
  * use override everywhere instead of virtual
  * virtual functions must also be defined out-of-line
  
  Slightly reduces binary size for me (~2k on Win, 150k on Linux).
  
  Bug: angleproject:1569
  Change-Id: I073ca3365188caf5f29fb28d9eb207903c1843e6
  Reviewed-on: https://chromium-review.googlesource.com/779959
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/d3d/d3d9/Buffer9.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.
  //
  
  // Buffer9.cpp Defines the Buffer9 class.
  
  #include "libANGLE/renderer/d3d/d3d9/Buffer9.h"
  #include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
  
  namespace rx
  {
  
  Buffer9::Buffer9(const gl::BufferState &state, Renderer9 *renderer)
      : BufferD3D(state, renderer), mSize(0)
  {
  }
  
  Buffer9::~Buffer9()
  {
      mSize = 0;
  }
  
  size_t Buffer9::getSize() const
  {
      return mSize;
  }
  
  bool Buffer9::supportsDirectBinding() const
  {
      return false;
  }
  
  gl::Error Buffer9::setData(const gl::Context *context,
                             gl::BufferBinding /*target*/,
                             const void *data,
                             size_t size,
                             gl::BufferUsage usage)
  {
      if (size > mMemory.size())
      {
          if (!mMemory.resize(size))
          {
              return gl::OutOfMemory() << "Failed to resize internal buffer.";
          }
      }
  
      mSize = size;
      if (data && size > 0)
      {
          memcpy(mMemory.data(), data, size);
      }
  
      updateD3DBufferUsage(context, usage);
  
      invalidateStaticData(context);
  
      return gl::NoError();
  }
  
  gl::Error Buffer9::getData(const gl::Context *context, const uint8_t **outData)
  {
      *outData = mMemory.data();
      return gl::NoError();
  }
  
  gl::Error Buffer9::setSubData(const gl::Context *context,
                                gl::BufferBinding /*target*/,
                                const void *data,
                                size_t size,
                                size_t offset)
  {
      if (offset + size > mMemory.size())
      {
          if (!mMemory.resize(offset + size))
          {
              return gl::OutOfMemory() << "Failed to resize internal buffer.";
          }
      }
  
      mSize = std::max(mSize, offset + size);
      if (data && size > 0)
      {
          memcpy(mMemory.data() + offset, data, size);
      }
  
      invalidateStaticData(context);
  
      return gl::NoError();
  }
  
  gl::Error Buffer9::copySubData(const gl::Context *context,
                                 BufferImpl *source,
                                 GLintptr sourceOffset,
                                 GLintptr destOffset,
                                 GLsizeiptr size)
  {
      // Note: this method is currently unreachable
      Buffer9 *sourceBuffer = GetAs<Buffer9>(source);
      ASSERT(sourceBuffer);
  
      memcpy(mMemory.data() + destOffset, sourceBuffer->mMemory.data() + sourceOffset, size);
  
      invalidateStaticData(context);
  
      return gl::NoError();
  }
  
  // We do not support buffer mapping in D3D9
  gl::Error Buffer9::map(const gl::Context *context, GLenum access, void **mapPtr)
  {
      UNREACHABLE();
      return gl::InternalError();
  }
  
  gl::Error Buffer9::mapRange(const gl::Context *context,
                              size_t offset,
                              size_t length,
                              GLbitfield access,
                              void **mapPtr)
  {
      UNREACHABLE();
      return gl::InternalError();
  }
  
  gl::Error Buffer9::unmap(const gl::Context *context, GLboolean *result)
  {
      UNREACHABLE();
      return gl::InternalError();
  }
  
  gl::Error Buffer9::markTransformFeedbackUsage(const gl::Context *context)
  {
      UNREACHABLE();
      return gl::InternalError();
  }
  
  }  // namespace rx
  

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