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NEON CheckSolid.

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This commit is contained in:
Bartosz Taudul 2019-06-28 01:47:04 +02:00
parent 33486fa3cf
commit be4900c822
1 changed files with 26 additions and 0 deletions
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26
client/TracyDxt1.cpp
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@ -64,6 +64,32 @@ static uint64_t CheckSolid( const uint8_t* src )
{
return to565( src[0], src[1], src[2] );
}
#elif defined __ARM_NEON
uint32x4_t mask = vdupq_n_u32( 0xF8FCF8 );
uint32x4_t d0 = vandq_u32( mask, vld1q_u32( (uint32_t*)src ) );
uint32x4_t d1 = vandq_u32( mask, vld1q_u32( (uint32_t*)src + 4 ) );
uint32x4_t d2 = vandq_u32( mask, vld1q_u32( (uint32_t*)src + 8 ) );
uint32x4_t d3 = vandq_u32( mask, vld1q_u32( (uint32_t*)src + 12 ) );
uint32x4_t c = vdupq_n_u32( d0[0] );
uint32x4_t c0 = vceqq_u32( d0, c );
uint32x4_t c1 = vceqq_u32( d1, c );
uint32x4_t c2 = vceqq_u32( d2, c );
uint32x4_t c3 = vceqq_u32( d3, c );
uint32x4_t m0 = vandq_u32( c0, c1 );
uint32x4_t m1 = vandq_u32( c2, c3 );
int64x2_t m = vreinterpretq_s64_u32( vandq_u32( m0, m1 ) );
if( m[0] != -1 || m[1] != -1 )
{
return 0;
}
else
{
return to565( src[0], src[1], src[2] );
}
#else
const auto ref = to565( src[0], src[1], src[2] );
src += 4;