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// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <type_traits>
#include "Common/CommonFuncs.h"
#include "Common/CommonTypes.h"
#include "VideoCommon/DataReader.h"
#include "VideoCommon/VertexLoader.h"
#include "VideoCommon/VertexLoaderManager.h"
#include "VideoCommon/VertexLoaderUtils.h"
#include "VideoCommon/VertexLoader_TextCoord.h"
template <int N>
void LOG_TEX();
template <>
void LOG_TEX<1>()
{
// warning: mapping buffer should be disabled to use this
// PRIM_LOG("tex: %f, ", ((float*)g_vertex_manager_write_ptr)[-1]);
}
template <>
void LOG_TEX<2>()
{
// warning: mapping buffer should be disabled to use this
// PRIM_LOG("tex: %f %f, ", ((float*)g_vertex_manager_write_ptr)[-2],
// ((float*)g_vertex_manager_write_ptr)[-1]);
}
static void TexCoord_Read_Dummy(VertexLoader* loader)
{
loader->m_tcIndex++;
}
template <typename T>
float TCScale(T val, float scale)
{
return val * scale;
}
template <>
float TCScale(float val, float scale)
{
return val;
}
template <typename T, int N>
void TexCoord_ReadDirect(VertexLoader* loader)
{
auto const scale = loader->m_tcScale[loader->m_tcIndex];
DataReader dst(g_vertex_manager_write_ptr, nullptr);
DataReader src(g_video_buffer_read_ptr, nullptr);
for (int i = 0; i != N; ++i)
dst.Write(TCScale(src.Read<T>(), scale));
g_vertex_manager_write_ptr = dst.GetPointer();
g_video_buffer_read_ptr = src.GetPointer();
LOG_TEX<N>();
++loader->m_tcIndex;
}
template <typename I, typename T, int N>
void TexCoord_ReadIndex(VertexLoader* loader)
{
static_assert(std::is_unsigned<I>::value, "Only unsigned I is sane!");
auto const index = DataRead<I>();
auto const data = reinterpret_cast<const T*>(
VertexLoaderManager::cached_arraybases[ARRAY_TEXCOORD0 + loader->m_tcIndex] +
(index * g_main_cp_state.array_strides[ARRAY_TEXCOORD0 + loader->m_tcIndex]));
auto const scale = loader->m_tcScale[loader->m_tcIndex];
DataReader dst(g_vertex_manager_write_ptr, nullptr);
for (int i = 0; i != N; ++i)
dst.Write(TCScale(Common::FromBigEndian(data[i]), scale));
g_vertex_manager_write_ptr = dst.GetPointer();
LOG_TEX<N>();
++loader->m_tcIndex;
}
static TPipelineFunction tableReadTexCoord[4][8][2] = {
{
{
nullptr, nullptr,
},
{
nullptr, nullptr,
},
{
nullptr, nullptr,
},
{
nullptr, nullptr,
},
{
nullptr, nullptr,
},
},
{
{
TexCoord_ReadDirect<u8, 1>, TexCoord_ReadDirect<u8, 2>,
},
{
TexCoord_ReadDirect<s8, 1>, TexCoord_ReadDirect<s8, 2>,
},
{
TexCoord_ReadDirect<u16, 1>, TexCoord_ReadDirect<u16, 2>,
},
{
TexCoord_ReadDirect<s16, 1>, TexCoord_ReadDirect<s16, 2>,
},
{
TexCoord_ReadDirect<float, 1>, TexCoord_ReadDirect<float, 2>,
},
},
{
{
TexCoord_ReadIndex<u8, u8, 1>, TexCoord_ReadIndex<u8, u8, 2>,
},
{
TexCoord_ReadIndex<u8, s8, 1>, TexCoord_ReadIndex<u8, s8, 2>,
},
{
TexCoord_ReadIndex<u8, u16, 1>, TexCoord_ReadIndex<u8, u16, 2>,
},
{
TexCoord_ReadIndex<u8, s16, 1>, TexCoord_ReadIndex<u8, s16, 2>,
},
{
TexCoord_ReadIndex<u8, float, 1>, TexCoord_ReadIndex<u8, float, 2>,
},
},
{
{
TexCoord_ReadIndex<u16, u8, 1>, TexCoord_ReadIndex<u16, u8, 2>,
},
{
TexCoord_ReadIndex<u16, s8, 1>, TexCoord_ReadIndex<u16, s8, 2>,
},
{
TexCoord_ReadIndex<u16, u16, 1>, TexCoord_ReadIndex<u16, u16, 2>,
},
{
TexCoord_ReadIndex<u16, s16, 1>, TexCoord_ReadIndex<u16, s16, 2>,
},
{
TexCoord_ReadIndex<u16, float, 1>, TexCoord_ReadIndex<u16, float, 2>,
},
},
};
static int tableReadTexCoordVertexSize[4][8][2] = {
{
{
0, 0,
},
{
0, 0,
},
{
0, 0,
},
{
0, 0,
},
{
0, 0,
},
},
{
{
1, 2,
},
{
1, 2,
},
{
2, 4,
},
{
2, 4,
},
{
4, 8,
},
},
{
{
1, 1,
},
{
1, 1,
},
{
1, 1,
},
{
1, 1,
},
{
1, 1,
},
},
{
{
2, 2,
},
{
2, 2,
},
{
2, 2,
},
{
2, 2,
},
{
2, 2,
},
},
};
unsigned int VertexLoader_TextCoord::GetSize(u64 _type, unsigned int _format,
unsigned int _elements)
{
return tableReadTexCoordVertexSize[_type][_format][_elements];
}
TPipelineFunction VertexLoader_TextCoord::GetFunction(u64 _type, unsigned int _format,
unsigned int _elements)
{
return tableReadTexCoord[_type][_format][_elements];
}
TPipelineFunction VertexLoader_TextCoord::GetDummyFunction()
{
return TexCoord_Read_Dummy;
}
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