208 lines
4.6 KiB
C++
208 lines
4.6 KiB
C++
// Copyright 2008 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#include "VideoCommon/VertexLoader_TextCoord.h"
|
|
|
|
#include <type_traits>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/Swap.h"
|
|
|
|
#include "VideoCommon/DataReader.h"
|
|
#include "VideoCommon/VertexLoader.h"
|
|
#include "VideoCommon/VertexLoaderManager.h"
|
|
#include "VideoCommon/VertexLoaderUtils.h"
|
|
|
|
namespace
|
|
{
|
|
void TexCoord_Read_Dummy(VertexLoader* loader)
|
|
{
|
|
loader->m_tcIndex++;
|
|
}
|
|
|
|
template <typename T>
|
|
constexpr float TCScale(T val, float scale)
|
|
{
|
|
return val * scale;
|
|
}
|
|
|
|
template <>
|
|
constexpr float TCScale(float val, [[maybe_unused]] float scale)
|
|
{
|
|
return val;
|
|
}
|
|
|
|
template <typename T, int N>
|
|
void TexCoord_ReadDirect(VertexLoader* loader)
|
|
{
|
|
const auto 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();
|
|
|
|
++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!");
|
|
|
|
const auto index = DataRead<I>();
|
|
const auto 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]));
|
|
const auto 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();
|
|
++loader->m_tcIndex;
|
|
}
|
|
|
|
constexpr TPipelineFunction s_table_read_tex_coord[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>,
|
|
},
|
|
},
|
|
};
|
|
|
|
constexpr u32 s_table_read_tex_coord_vertex_size[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},
|
|
},
|
|
};
|
|
} // Anonymous namespace
|
|
|
|
u32 VertexLoader_TextCoord::GetSize(u64 type, u32 format, u32 elements)
|
|
{
|
|
return s_table_read_tex_coord_vertex_size[type][format][elements];
|
|
}
|
|
|
|
TPipelineFunction VertexLoader_TextCoord::GetFunction(u64 type, u32 format, u32 elements)
|
|
{
|
|
return s_table_read_tex_coord[type][format][elements];
|
|
}
|
|
|
|
TPipelineFunction VertexLoader_TextCoord::GetDummyFunction()
|
|
{
|
|
return TexCoord_Read_Dummy;
|
|
}
|