109 lines
3.8 KiB
C++
109 lines
3.8 KiB
C++
// Copyright 2008 Dolphin Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#include "VideoCommon/VertexLoader_TextCoord.h"
|
|
|
|
#include <type_traits>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/Swap.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];
|
|
|
|
for (int i = 0; i != N; ++i)
|
|
DataWrite(TCScale(DataRead<T>(), scale));
|
|
|
|
++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[CPArray::TexCoord0 + loader->m_tcIndex] +
|
|
(index * g_main_cp_state.array_strides[CPArray::TexCoord0 + loader->m_tcIndex]));
|
|
const auto scale = loader->m_tcScale[loader->m_tcIndex];
|
|
|
|
for (int i = 0; i != N; ++i)
|
|
DataWrite(TCScale(Common::FromBigEndian(data[i]), scale));
|
|
|
|
++loader->m_tcIndex;
|
|
}
|
|
|
|
using ComponentCountRow = Common::EnumMap<TPipelineFunction, TexComponentCount::ST>;
|
|
using ComponentFormatTable = Common::EnumMap<ComponentCountRow, ComponentFormat::Float>;
|
|
using Table = Common::EnumMap<ComponentFormatTable, VertexComponentFormat::Index16>;
|
|
|
|
constexpr Table s_table_read_tex_coord = {
|
|
ComponentFormatTable({
|
|
ComponentCountRow(nullptr, nullptr),
|
|
ComponentCountRow(nullptr, nullptr),
|
|
ComponentCountRow(nullptr, nullptr),
|
|
ComponentCountRow(nullptr, nullptr),
|
|
ComponentCountRow(nullptr, nullptr),
|
|
}),
|
|
ComponentFormatTable({
|
|
ComponentCountRow(TexCoord_ReadDirect<u8, 1>, TexCoord_ReadDirect<u8, 2>),
|
|
ComponentCountRow(TexCoord_ReadDirect<s8, 1>, TexCoord_ReadDirect<s8, 2>),
|
|
ComponentCountRow(TexCoord_ReadDirect<u16, 1>, TexCoord_ReadDirect<u16, 2>),
|
|
ComponentCountRow(TexCoord_ReadDirect<s16, 1>, TexCoord_ReadDirect<s16, 2>),
|
|
ComponentCountRow(TexCoord_ReadDirect<float, 1>, TexCoord_ReadDirect<float, 2>),
|
|
}),
|
|
ComponentFormatTable({
|
|
ComponentCountRow(TexCoord_ReadIndex<u8, u8, 1>, TexCoord_ReadIndex<u8, u8, 2>),
|
|
ComponentCountRow(TexCoord_ReadIndex<u8, s8, 1>, TexCoord_ReadIndex<u8, s8, 2>),
|
|
ComponentCountRow(TexCoord_ReadIndex<u8, u16, 1>, TexCoord_ReadIndex<u8, u16, 2>),
|
|
ComponentCountRow(TexCoord_ReadIndex<u8, s16, 1>, TexCoord_ReadIndex<u8, s16, 2>),
|
|
ComponentCountRow(TexCoord_ReadIndex<u8, float, 1>, TexCoord_ReadIndex<u8, float, 2>),
|
|
}),
|
|
ComponentFormatTable({
|
|
ComponentCountRow(TexCoord_ReadIndex<u16, u8, 1>, TexCoord_ReadIndex<u16, u8, 2>),
|
|
ComponentCountRow(TexCoord_ReadIndex<u16, s8, 1>, TexCoord_ReadIndex<u16, s8, 2>),
|
|
ComponentCountRow(TexCoord_ReadIndex<u16, u16, 1>, TexCoord_ReadIndex<u16, u16, 2>),
|
|
ComponentCountRow(TexCoord_ReadIndex<u16, s16, 1>, TexCoord_ReadIndex<u16, s16, 2>),
|
|
ComponentCountRow(TexCoord_ReadIndex<u16, float, 1>, TexCoord_ReadIndex<u16, float, 2>),
|
|
}),
|
|
};
|
|
} // Anonymous namespace
|
|
|
|
TPipelineFunction VertexLoader_TextCoord::GetFunction(VertexComponentFormat type,
|
|
ComponentFormat format,
|
|
TexComponentCount elements)
|
|
{
|
|
return s_table_read_tex_coord[type][format][elements];
|
|
}
|
|
|
|
TPipelineFunction VertexLoader_TextCoord::GetDummyFunction()
|
|
{
|
|
return TexCoord_Read_Dummy;
|
|
}
|