// Copyright 2008 Dolphin Emulator Project // Licensed under GPLv2+ // Refer to the license.txt file included. #include "VideoCommon/VertexLoader_TextCoord.h" #include #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 constexpr float TCScale(T val, float scale) { return val * scale; } template <> constexpr float TCScale(float val, [[maybe_unused]] float scale) { return val; } template 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(), scale)); g_vertex_manager_write_ptr = dst.GetPointer(); g_video_buffer_read_ptr = src.GetPointer(); ++loader->m_tcIndex; } template void TexCoord_ReadIndex(VertexLoader* loader) { static_assert(std::is_unsigned::value, "Only unsigned I is sane!"); const auto index = DataRead(); const auto data = reinterpret_cast( 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, TexCoord_ReadDirect, }, { TexCoord_ReadDirect, TexCoord_ReadDirect, }, { TexCoord_ReadDirect, TexCoord_ReadDirect, }, { TexCoord_ReadDirect, TexCoord_ReadDirect, }, { TexCoord_ReadDirect, TexCoord_ReadDirect, }, }, { { TexCoord_ReadIndex, TexCoord_ReadIndex, }, { TexCoord_ReadIndex, TexCoord_ReadIndex, }, { TexCoord_ReadIndex, TexCoord_ReadIndex, }, { TexCoord_ReadIndex, TexCoord_ReadIndex, }, { TexCoord_ReadIndex, TexCoord_ReadIndex, }, }, { { TexCoord_ReadIndex, TexCoord_ReadIndex, }, { TexCoord_ReadIndex, TexCoord_ReadIndex, }, { TexCoord_ReadIndex, TexCoord_ReadIndex, }, { TexCoord_ReadIndex, TexCoord_ReadIndex, }, { TexCoord_ReadIndex, TexCoord_ReadIndex, }, }, }; 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; }