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softgpu: Improve usage of SSE for lighting.

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Gives about a 2% improvement in many places.
This commit is contained in:
Unknown W. Brackets 2022-01-03 06:43:48 -08:00
parent 2aa57679fa
commit d98e5bfc97
1 changed files with 7 additions and 0 deletions
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7
GPU/Software/Lighting.cpp
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@ -15,6 +15,7 @@
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "ppsspp_config.h"
#include "Common/CPUDetect.h"
#include "GPU/GPUState.h"
#include "GPU/Software/Lighting.h"
@ -22,7 +23,13 @@
namespace Lighting {
static inline Vec3f GetLightVec(u32 lparams[12], int light) {
#if defined(_M_SSE) && !PPSSPP_ARCH(X86)
__m128i values = _mm_loadu_si128((__m128i *)&lparams[3 * light]);
__m128i from24 = _mm_slli_epi32(values, 8);
return _mm_castsi128_ps(from24);
#else
return Vec3<float>(getFloat24(lparams[3 * light]), getFloat24(lparams[3 * light + 1]), getFloat24(lparams[3 * light + 2]));
#endif
}
static inline float pspLightPow(float v, float e) {