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

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• Hash : 1850492e
  Author :
  Date : 2019-10-02T08:23:03
  

  Vulkan: Disable OES_vertex_type_10_10_10_2 on GLES 2.0
  
  - Because of the difference in the SNORM to FLOAT conversion formula
    between GLES 2.0 and 3.0, OES_vertex_type_10_10_10_2 is disabled
    when the context version is lower than 3.0.
  - Modify test conversion formula to be compliant with GLES 3.0 equation
  
  Bug: angleproject:3868
  Test: angle_end2end_tests --gtest_filter=VertexAttributeTest*Packed*Vulkan
  Change-Id: I8b85d8146ee05353bc40fa0022f05d6634c33110
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1792197
  Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/copyvertex.h

• //
  // Copyright 2013 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.
  //
  
  // copyvertex.h: Defines vertex buffer copying and conversion functions
  
  #ifndef LIBANGLE_RENDERER_COPYVERTEX_H_
  #define LIBANGLE_RENDERER_COPYVERTEX_H_
  
  #include "common/mathutil.h"
  
  namespace rx
  {
  
  using VertexCopyFunction = void (*)(const uint8_t *input,
                                      size_t stride,
                                      size_t count,
                                      uint8_t *output);
  
  // 'alphaDefaultValueBits' gives the default value for the alpha channel (4th component)
  template <typename T,
            size_t inputComponentCount,
            size_t outputComponentCount,
            uint32_t alphaDefaultValueBits>
  void CopyNativeVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output);
  
  template <size_t inputComponentCount, size_t outputComponentCount>
  void Copy8SintTo16SintVertexData(const uint8_t *input,
                                   size_t stride,
                                   size_t count,
                                   uint8_t *output);
  
  template <size_t componentCount>
  void Copy8SnormTo16SnormVertexData(const uint8_t *input,
                                     size_t stride,
                                     size_t count,
                                     uint8_t *output);
  
  template <size_t inputComponentCount, size_t outputComponentCount>
  void Copy32FixedTo32FVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output);
  
  template <typename T, size_t inputComponentCount, size_t outputComponentCount, bool normalized>
  void CopyTo32FVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output);
  
  template <bool isSigned, bool normalized, bool toFloat>
  void CopyXYZ10W2ToXYZW32FVertexData(const uint8_t *input,
                                      size_t stride,
                                      size_t count,
                                      uint8_t *output);
  
  template <bool isSigned, bool normalized>
  void CopyXYZ10ToXYZW32FVertexData(const uint8_t *input,
                                    size_t stride,
                                    size_t count,
                                    uint8_t *output);
  
  template <bool isSigned, bool normalized>
  void CopyW2XYZ10ToXYZW32FVertexData(const uint8_t *input,
                                      size_t stride,
                                      size_t count,
                                      uint8_t *output);
  
  }  // namespace rx
  
  #include "copyvertex.inc.h"
  
  #endif  // LIBANGLE_RENDERER_COPYVERTEX_H_
  

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