src/libANGLE/renderer/copyvertex.h

//
// Copyright (c) 2013-2015 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>
inline void CopyNativeVertexData(const uint8_t *input,
                                 size_t stride,
                                 size_t count,
                                 uint8_t *output);

template <size_t inputComponentCount, size_t outputComponentCount>
inline void Copy8SintTo16SintVertexData(const uint8_t *input,
                                        size_t stride,
                                        size_t count,
                                        uint8_t *output);

template <size_t componentCount>
inline void Copy8SnormTo16SnormVertexData(const uint8_t *input,
                                          size_t stride,
                                          size_t count,
                                          uint8_t *output);

template <size_t inputComponentCount, size_t outputComponentCount>
inline 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>
inline void CopyTo32FVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output);

template <bool isSigned, bool normalized, bool toFloat>
inline void CopyXYZ10W2ToXYZW32FVertexData(const uint8_t *input,
                                           size_t stride,
                                           size_t count,
                                           uint8_t *output);

}  // namespace rx

#include "copyvertex.inc"

#endif  // LIBANGLE_RENDERER_COPYVERTEX_H_