rpcs3/rpcs3/Emu/RSX/Program/program_state_cache2.hpp
2022-03-26 16:10:18 +03:00

87 lines
2.2 KiB
C++

#pragma once
#include "ProgramStateCache.h"
#include "util/asm.hpp"
#if defined(ARCH_X64)
#include "emmintrin.h"
#endif
template <typename Traits>
void program_state_cache<Traits>::fill_fragment_constants_buffer(std::span<f32> dst_buffer, const typename Traits::fragment_program_type& fragment_program, const RSXFragmentProgram& rsx_prog, bool sanitize) const
{
ensure((dst_buffer.size_bytes() >= ::narrow<int>(fragment_program.FragmentConstantOffsetCache.size()) * 16u));
f32* dst = dst_buffer.data();
alignas(16) f32 tmp[4];
for (usz offset_in_fragment_program : fragment_program.FragmentConstantOffsetCache)
{
char* data = static_cast<char*>(rsx_prog.get_data()) + offset_in_fragment_program;
#if defined(ARCH_X64)
const __m128i vector = _mm_loadu_si128(reinterpret_cast<__m128i*>(data));
const __m128i shuffled_vector = _mm_or_si128(_mm_slli_epi16(vector, 8), _mm_srli_epi16(vector, 8));
#else
for (u32 i = 0; i < 4; i++)
{
const u32 value = reinterpret_cast<u32*>(data)[i];
tmp[i] = std::bit_cast<f32, u32>(((value >> 8) & 0xff00ff) | ((value << 8) & 0xff00ff00));
}
#endif
if (!patch_table.is_empty())
{
#if defined(ARCH_X64)
_mm_store_ps(tmp, _mm_castsi128_ps(shuffled_vector));
#endif
for (int i = 0; i < 4; ++i)
{
bool patched = false;
for (auto& e : patch_table.db)
{
//TODO: Use fp comparison with fabsf without hurting performance
patched = e.second.test_and_set(tmp[i], &dst[i]);
if (patched)
{
break;
}
}
if (!patched)
{
dst[i] = tmp[i];
}
}
}
else if (sanitize)
{
#if defined(ARCH_X64)
//Convert NaNs and Infs to 0
const auto masked = _mm_and_si128(shuffled_vector, _mm_set1_epi32(0x7fffffff));
const auto valid = _mm_cmplt_epi32(masked, _mm_set1_epi32(0x7f800000));
const auto result = _mm_and_si128(shuffled_vector, valid);
_mm_stream_si128(utils::bless<__m128i>(dst), result);
#else
for (u32 i = 0; i < 4; i++)
{
const u32 value = std::bit_cast<u32>(tmp[i]);
tmp[i] = (value & 0x7fffffff) < 0x7f800000 ? value : 0;
}
std::memcpy(dst, tmp, 16);
#endif
}
else
{
#if defined(ARCH_X64)
_mm_stream_si128(utils::bless<__m128i>(dst), shuffled_vector);
#else
std::memcpy(dst, tmp, 16);
#endif
}
dst += 4;
}
}