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sw_engine neon: refactoring

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One if statement less.
This commit is contained in:
Mira Grudzinska 2021-08-30 11:42:42 +02:00 • committed by Hermet Park
parent 36ac948ec9
commit c0e21bfcee
1 changed files with 5 additions and 6 deletions
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11
src/lib/sw_engine/tvgSwRasterNeon.h
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@ -57,9 +57,14 @@ static inline bool neonRasterTranslucentRle(SwSurface* surface, const SwRleData*
uint16_t align;
for (uint32_t i = 0; i < rle->size; ++i) {
if (span->coverage < 255) src = ALPHA_BLEND(color, span->coverage);
else src = color;
auto dst = &surface->buffer[span->y * surface->stride + span->x];
if ((((uint32_t) dst) & 0x7) != 0) {
//fill not aligned byte
*dst = src + ALPHA_BLEND(*dst, ialpha);
vDst = (uint8x8_t*)(dst + 1);
align = 1;
} else {
@ -67,16 +72,10 @@ static inline bool neonRasterTranslucentRle(SwSurface* surface, const SwRleData*
align = 0;
}
if (span->coverage < 255) src = ALPHA_BLEND(color, span->coverage);
else src = color;
auto ialpha = 255 - surface->blender.alpha(src);
uint8x8_t vSrc = (uint8x8_t) vdup_n_u32(src);
uint8x8_t vIalpha = vdup_n_u8((uint8_t) ialpha);
//fill not aligned byte
if (align > 0) *dst = src + ALPHA_BLEND(*dst, ialpha);
for (uint32_t x = 0; x < (span->len - align) / 2; ++x)
vDst[x] = vadd_u8(vSrc, ALPHA_BLEND_NEON(vDst[x], vIalpha));