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tweaks

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This commit is contained in:
Bigfoot71 2025-10-24 16:24:49 +02:00
parent 136e1d025c
commit 3fdefb7839
1 changed files with 8 additions and 5 deletions
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13
src/external/rlsw.h vendored
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@ -1054,7 +1054,7 @@ static inline void sw_add_vertex_grad_PTCH(
static inline void sw_float_to_unorm8_simd(uint8_t dst[4], const float src[4])
{
#if defined(SW_HAS_NEON) || defined(SW_HAS_NEON_FMA)
#if defined(SW_HAS_NEON)
float32x4_t values = vld1q_f32(src);
float32x4_t scaled = vmulq_n_f32(values, 255.0f);
scaled = vminq_f32(vmaxq_f32(scaled, vdupq_n_f32(0.0f)), vdupq_n_f32(255.0f));
@ -1080,7 +1080,9 @@ static inline void sw_float_to_unorm8_simd(uint8_t dst[4], const float src[4])
__m128 scaled = _mm_mul_ps(values, _mm_set1_ps(255.0f));
scaled = _mm_max_ps(_mm_min_ps(scaled, _mm_set1_ps(255.0f)), _mm_setzero_ps());
__m128i clamped = _mm_cvtps_epi32(scaled);
clamped = _mm_packus_epi16(_mm_packs_epi32(clamped, clamped), clamped);
clamped = _mm_packs_epi32(clamped, clamped);
clamped = _mm_packus_epi16(clamped, clamped);
*(uint32_t*)dst = _mm_cvtsi128_si32(clamped);
#else
@ -1123,9 +1125,10 @@ static inline void sw_float_from_unorm8_simd(float dst[4], const uint8_t src[4])
_mm_storeu_ps(dst, floats);
#else
for (int i = 0; i < 4; i++) {
dst[i] = (float)src[i]/255.0f;
}
dst[0] = (float)src[0]/255.0f;
dst[1] = (float)src[1]/255.0f;
dst[2] = (float)src[2]/255.0f;
dst[3] = (float)src[3]/255.0f;
#endif
}