kc3-lang/angle/src/libANGLE/renderer/d3d/d3d11/ShaderExecutable11.cpp

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• Hash : 4148fd74
  Author :
  Date : 2017-09-14T15:46:20
  

  Add separate dirty bits for Pixel and Fragment uniforms.
  
  Also use a single UpdateSubresource call to update the buffer.
  Should improve performance on some benchmarks.
  
  BUG=angleproject:1390
  
  Change-Id: I70d54d86d3d3beb0e2caee86338ee03081070ac8
  Reviewed-on: https://chromium-review.googlesource.com/663895
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/d3d/d3d11/ShaderExecutable11.cpp

• //
  // Copyright (c) 2012-2014 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.
  //
  
  // ShaderExecutable11.cpp: Implements a D3D11-specific class to contain shader
  // executable implementation details.
  
  #include "libANGLE/renderer/d3d/d3d11/ShaderExecutable11.h"
  #include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
  
  namespace rx
  {
  
  ShaderExecutable11::ShaderExecutable11(const void *function,
                                         size_t length,
                                         d3d11::PixelShader &&executable)
      : ShaderExecutableD3D(function, length),
        mPixelExecutable(std::move(executable)),
        mVertexExecutable(),
        mGeometryExecutable(),
        mStreamOutExecutable(),
        mComputeExecutable()
  {
  }
  
  ShaderExecutable11::ShaderExecutable11(const void *function,
                                         size_t length,
                                         d3d11::VertexShader &&executable,
                                         d3d11::GeometryShader &&streamOut)
      : ShaderExecutableD3D(function, length),
        mPixelExecutable(),
        mVertexExecutable(std::move(executable)),
        mGeometryExecutable(),
        mStreamOutExecutable(std::move(streamOut)),
        mComputeExecutable()
  {
  }
  
  ShaderExecutable11::ShaderExecutable11(const void *function,
                                         size_t length,
                                         d3d11::GeometryShader &&executable)
      : ShaderExecutableD3D(function, length),
        mPixelExecutable(),
        mVertexExecutable(),
        mGeometryExecutable(std::move(executable)),
        mStreamOutExecutable(),
        mComputeExecutable()
  {
  }
  
  ShaderExecutable11::ShaderExecutable11(const void *function,
                                         size_t length,
                                         d3d11::ComputeShader &&executable)
      : ShaderExecutableD3D(function, length),
        mPixelExecutable(),
        mVertexExecutable(),
        mGeometryExecutable(),
        mStreamOutExecutable(),
        mComputeExecutable(std::move(executable))
  {
  }
  
  ShaderExecutable11::~ShaderExecutable11()
  {
  }
  
  const d3d11::VertexShader &ShaderExecutable11::getVertexShader() const
  {
      return mVertexExecutable;
  }
  
  const d3d11::PixelShader &ShaderExecutable11::getPixelShader() const
  {
      return mPixelExecutable;
  }
  
  const d3d11::GeometryShader &ShaderExecutable11::getGeometryShader() const
  {
      return mGeometryExecutable;
  }
  
  const d3d11::GeometryShader &ShaderExecutable11::getStreamOutShader() const
  {
      return mStreamOutExecutable;
  }
  
  const d3d11::ComputeShader &ShaderExecutable11::getComputeShader() const
  {
      return mComputeExecutable;
  }
  
  UniformStorage11::UniformStorage11(size_t initialSize)
      : UniformStorageD3D(initialSize), mConstantBuffer()
  {
  }
  
  UniformStorage11::~UniformStorage11()
  {
  }
  
  gl::Error UniformStorage11::getConstantBuffer(Renderer11 *renderer, const d3d11::Buffer **bufferOut)
  {
      if (size() > 0 && !mConstantBuffer.valid())
      {
          D3D11_BUFFER_DESC desc = {0};
          desc.ByteWidth         = static_cast<unsigned int>(size());
          desc.Usage             = D3D11_USAGE_DEFAULT;
          desc.BindFlags         = D3D11_BIND_CONSTANT_BUFFER;
  
          ANGLE_TRY(renderer->allocateResource(desc, &mConstantBuffer));
      }
  
      *bufferOut = &mConstantBuffer;
      return gl::NoError();
  }
  
  }  // namespace rx
  

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