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GPU: Use GSVector for SW scanout

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Stenzek 2024-07-02 20:49:13 +10:00
parent 0968610ba7
commit f9bf2e8239
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1 changed files with 17 additions and 50 deletions
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67
src/core/gpu_sw.cpp
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#include "gpu_sw.h"
@ -8,7 +8,7 @@
#include "common/align.h"
#include "common/assert.h"
#include "common/intrin.h"
#include "common/gsvector.h"
#include "common/log.h"
#include <algorithm>
@ -150,35 +150,19 @@ ALWAYS_INLINE void CopyOutRow16<GPUTexture::Format::RGBA5551, u16>(const u16* sr
{
u32 col = 0;
#if defined(CPU_ARCH_SSE)
const u32 aligned_width = Common::AlignDownPow2(width, 8);
for (; col < aligned_width; col += 8)
{
const __m128i single_mask = _mm_set1_epi16(0x1F);
__m128i value = _mm_loadu_si128(reinterpret_cast<const __m128i*>(src_ptr));
constexpr GSVector4i single_mask = GSVector4i::cxpr16(0x1F);
GSVector4i value = GSVector4i::load<false>(src_ptr);
src_ptr += 8;
__m128i a = _mm_and_si128(value, _mm_set1_epi16(static_cast<s16>(static_cast<u16>(0x3E0))));
__m128i b = _mm_and_si128(_mm_srli_epi16(value, 10), single_mask);
__m128i c = _mm_slli_epi16(_mm_and_si128(value, single_mask), 10);
value = _mm_or_si128(_mm_or_si128(a, b), c);
_mm_storeu_si128(reinterpret_cast<__m128i*>(dst_ptr), value);
GSVector4i a = value & GSVector4i::cxpr16(0x3E0);
GSVector4i b = value.srl16<10>() & single_mask;
GSVector4i c = (value & single_mask).sll16<10>();
value = (a | b) | c;
GSVector4i::store<false>(dst_ptr, value);
dst_ptr += 8;
}
#elif defined(CPU_ARCH_NEON)
const u32 aligned_width = Common::AlignDownPow2(width, 8);
for (; col < aligned_width; col += 8)
{
const uint16x8_t single_mask = vdupq_n_u16(0x1F);
uint16x8_t value = vld1q_u16(src_ptr);
src_ptr += 8;
uint16x8_t a = vandq_u16(value, vdupq_n_u16(0x3E0));
uint16x8_t b = vandq_u16(vshrq_n_u16(value, 10), single_mask);
uint16x8_t c = vshlq_n_u16(vandq_u16(value, single_mask), 10);
value = vorrq_u16(vorrq_u16(a, b), c);
vst1q_u16(dst_ptr, value);
dst_ptr += 8;
}
#endif
for (; col < width; col++)
*(dst_ptr++) = VRAM16ToOutput<GPUTexture::Format::RGBA5551, u16>(*(src_ptr++));
@ -189,37 +173,20 @@ ALWAYS_INLINE void CopyOutRow16<GPUTexture::Format::RGB565, u16>(const u16* src_
{
u32 col = 0;
#if defined(CPU_ARCH_SSE)
const u32 aligned_width = Common::AlignDownPow2(width, 8);
for (; col < aligned_width; col += 8)
{
const __m128i single_mask = _mm_set1_epi16(0x1F);
__m128i value = _mm_loadu_si128(reinterpret_cast<const __m128i*>(src_ptr));
constexpr GSVector4i single_mask = GSVector4i::cxpr16(0x1F);
GSVector4i value = GSVector4i::load<false>(src_ptr);
src_ptr += 8;
__m128i a = _mm_slli_epi16(_mm_and_si128(value, _mm_set1_epi16(static_cast<s16>(static_cast<u16>(0x3E0)))), 1);
__m128i b = _mm_slli_epi16(_mm_and_si128(value, _mm_set1_epi16(static_cast<s16>(static_cast<u16>(0x20)))), 1);
__m128i c = _mm_and_si128(_mm_srli_epi16(value, 10), single_mask);
__m128i d = _mm_slli_epi16(_mm_and_si128(value, single_mask), 11);
value = _mm_or_si128(_mm_or_si128(_mm_or_si128(a, b), c), d);
_mm_storeu_si128(reinterpret_cast<__m128i*>(dst_ptr), value);
GSVector4i a = (value & GSVector4i::cxpr16(0x3E0)).sll16<1>(); // (value & 0x3E0) << 1
GSVector4i b = (value & GSVector4i::cxpr16(0x20)).sll16<1>(); // (value & 0x20) << 1
GSVector4i c = (value.srl16<10>() & single_mask); // ((value >> 10) & 0x1F)
GSVector4i d = (value & single_mask).sll16<11>(); // ((value & 0x1F) << 11)
value = (((a | b) | c) | d);
GSVector4i::store<false>(dst_ptr, value);
dst_ptr += 8;
}
#elif defined(CPU_ARCH_NEON)
const u32 aligned_width = Common::AlignDownPow2(width, 8);
const uint16x8_t single_mask = vdupq_n_u16(0x1F);
for (; col < aligned_width; col += 8)
{
uint16x8_t value = vld1q_u16(src_ptr);
src_ptr += 8;
uint16x8_t a = vshlq_n_u16(vandq_u16(value, vdupq_n_u16(0x3E0)), 1); // (value & 0x3E0) << 1
uint16x8_t b = vshlq_n_u16(vandq_u16(value, vdupq_n_u16(0x20)), 1); // (value & 0x20) << 1
uint16x8_t c = vandq_u16(vshrq_n_u16(value, 10), single_mask); // ((value >> 10) & 0x1F)
uint16x8_t d = vshlq_n_u16(vandq_u16(value, single_mask), 11); // ((value & 0x1F) << 11)
value = vorrq_u16(vorrq_u16(vorrq_u16(a, b), c), d);
vst1q_u16(dst_ptr, value);
dst_ptr += 8;
}
#endif
for (; col < width; col++)
*(dst_ptr++) = VRAM16ToOutput<GPUTexture::Format::RGB565, u16>(*(src_ptr++));