mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-11-15 13:57:57 -07:00
126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
// Copyright 2008 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <type_traits>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "VideoCommon/VertexLoader.h"
|
|
#include "VideoCommon/VertexLoader_Position.h"
|
|
#include "VideoCommon/VertexLoaderManager.h"
|
|
#include "VideoCommon/VertexManagerBase.h"
|
|
#include "VideoCommon/VideoCommon.h"
|
|
|
|
template <typename T>
|
|
float PosScale(T val, float scale)
|
|
{
|
|
return val * scale;
|
|
}
|
|
|
|
template <>
|
|
float PosScale(float val, float scale)
|
|
{
|
|
return val;
|
|
}
|
|
|
|
template <typename T, int N>
|
|
void Pos_ReadDirect(VertexLoader* loader)
|
|
{
|
|
static_assert(N <= 3, "N > 3 is not sane!");
|
|
auto const scale = loader->m_posScale;
|
|
DataReader dst(g_vertex_manager_write_ptr, nullptr);
|
|
DataReader src(g_video_buffer_read_ptr, nullptr);
|
|
|
|
for (int i = 0; i < N; ++i)
|
|
{
|
|
float value = PosScale(src.Read<T>(), scale);
|
|
if (loader->m_counter < 3)
|
|
VertexLoaderManager::position_cache[loader->m_counter][i] = value;
|
|
dst.Write(value);
|
|
}
|
|
|
|
g_vertex_manager_write_ptr = dst.GetPointer();
|
|
g_video_buffer_read_ptr = src.GetPointer();
|
|
LOG_VTX();
|
|
}
|
|
|
|
template <typename I, typename T, int N>
|
|
void Pos_ReadIndex(VertexLoader* loader)
|
|
{
|
|
static_assert(std::is_unsigned<I>::value, "Only unsigned I is sane!");
|
|
static_assert(N <= 3, "N > 3 is not sane!");
|
|
|
|
auto const index = DataRead<I>();
|
|
loader->m_vertexSkip = index == std::numeric_limits<I>::max();
|
|
auto const data = reinterpret_cast<const T*>(VertexLoaderManager::cached_arraybases[ARRAY_POSITION] + (index * g_main_cp_state.array_strides[ARRAY_POSITION]));
|
|
auto const scale = loader->m_posScale;
|
|
DataReader dst(g_vertex_manager_write_ptr, nullptr);
|
|
|
|
for (int i = 0; i < N; ++i)
|
|
{
|
|
float value = PosScale(Common::FromBigEndian(data[i]), scale);
|
|
if (loader->m_counter < 3)
|
|
VertexLoaderManager::position_cache[loader->m_counter][i] = value;
|
|
dst.Write(value);
|
|
}
|
|
|
|
g_vertex_manager_write_ptr = dst.GetPointer();
|
|
LOG_VTX();
|
|
}
|
|
|
|
static TPipelineFunction tableReadPosition[4][8][2] = {
|
|
{
|
|
{nullptr, nullptr,},
|
|
{nullptr, nullptr,},
|
|
{nullptr, nullptr,},
|
|
{nullptr, nullptr,},
|
|
{nullptr, nullptr,},
|
|
},
|
|
{
|
|
{Pos_ReadDirect<u8, 2>, Pos_ReadDirect<u8, 3>,},
|
|
{Pos_ReadDirect<s8, 2>, Pos_ReadDirect<s8, 3>,},
|
|
{Pos_ReadDirect<u16, 2>, Pos_ReadDirect<u16, 3>,},
|
|
{Pos_ReadDirect<s16, 2>, Pos_ReadDirect<s16, 3>,},
|
|
{Pos_ReadDirect<float, 2>, Pos_ReadDirect<float, 3>,},
|
|
},
|
|
{
|
|
{Pos_ReadIndex<u8, u8, 2>, Pos_ReadIndex<u8, u8, 3>,},
|
|
{Pos_ReadIndex<u8, s8, 2>, Pos_ReadIndex<u8, s8, 3>,},
|
|
{Pos_ReadIndex<u8, u16, 2>, Pos_ReadIndex<u8, u16, 3>,},
|
|
{Pos_ReadIndex<u8, s16, 2>, Pos_ReadIndex<u8, s16, 3>,},
|
|
{Pos_ReadIndex<u8, float, 2>, Pos_ReadIndex<u8, float, 3>,},
|
|
},
|
|
{
|
|
{Pos_ReadIndex<u16, u8, 2>, Pos_ReadIndex<u16, u8, 3>,},
|
|
{Pos_ReadIndex<u16, s8, 2>, Pos_ReadIndex<u16, s8, 3>,},
|
|
{Pos_ReadIndex<u16, u16, 2>, Pos_ReadIndex<u16, u16, 3>,},
|
|
{Pos_ReadIndex<u16, s16, 2>, Pos_ReadIndex<u16, s16, 3>,},
|
|
{Pos_ReadIndex<u16, float, 2>, Pos_ReadIndex<u16, float, 3>,},
|
|
},
|
|
};
|
|
|
|
static int tableReadPositionVertexSize[4][8][2] = {
|
|
{
|
|
{0, 0,}, {0, 0,}, {0, 0,}, {0, 0,}, {0, 0,},
|
|
},
|
|
{
|
|
{2, 3,}, {2, 3,}, {4, 6,}, {4, 6,}, {8, 12,},
|
|
},
|
|
{
|
|
{1, 1,}, {1, 1,}, {1, 1,}, {1, 1,}, {1, 1,},
|
|
},
|
|
{
|
|
{2, 2,}, {2, 2,}, {2, 2,}, {2, 2,}, {2, 2,},
|
|
},
|
|
};
|
|
|
|
unsigned int VertexLoader_Position::GetSize(u64 _type, unsigned int _format, unsigned int _elements)
|
|
{
|
|
return tableReadPositionVertexSize[_type][_format][_elements];
|
|
}
|
|
|
|
TPipelineFunction VertexLoader_Position::GetFunction(u64 _type, unsigned int _format, unsigned int _elements)
|
|
{
|
|
return tableReadPosition[_type][_format][_elements];
|
|
}
|