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[etcpak] Sync with upstream

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This commit is contained in:
BlueCube3310 2024-02-05 18:53:35 +01:00
parent d3352813ea
commit becf5b1d23
12 changed files with 185 additions and 494 deletions
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152
thirdparty/etcpak/ProcessDxtc.cpp vendored
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@ -739,18 +739,8 @@ static etcpak_force_inline uint64_t ProcessRGB_SSE( __m128i px0, __m128i px1, __
return uint64_t( ( uint64_t( to565( vmin ) ) << 16 ) | to565( vmax ) | ( uint64_t( vp ) << 32 ) );
}
static etcpak_force_inline uint64_t ProcessAlpha_SSE( __m128i px0, __m128i px1, __m128i px2, __m128i px3 )
static etcpak_force_inline uint64_t ProcessOneChannel_SSE( __m128i a )
{
__m128i mask = _mm_setr_epi32( 0x0f0b0703, -1, -1, -1 );
__m128i m0 = _mm_shuffle_epi8( px0, mask );
__m128i m1 = _mm_shuffle_epi8( px1, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 3, 0, 3 ) ) );
__m128i m2 = _mm_shuffle_epi8( px2, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 0, 3, 3 ) ) );
__m128i m3 = _mm_shuffle_epi8( px3, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 0, 3, 3, 3 ) ) );
__m128i m4 = _mm_or_si128( m0, m1 );
__m128i m5 = _mm_or_si128( m2, m3 );
__m128i a = _mm_or_si128( m4, m5 );
__m128i solidCmp = _mm_shuffle_epi8( a, _mm_setzero_si128() );
__m128i cmpRes = _mm_cmpeq_epi8( a, solidCmp );
if( _mm_testc_si128( cmpRes, _mm_set1_epi32( -1 ) ) )
@ -800,6 +790,21 @@ static etcpak_force_inline uint64_t ProcessAlpha_SSE( __m128i px0, __m128i px1,
}
return (uint64_t)(uint16_t)_mm_cvtsi128_si32( minmax ) | ( data << 16 );
}
static etcpak_force_inline uint64_t ProcessAlpha_SSE( __m128i px0, __m128i px1, __m128i px2, __m128i px3 )
{
__m128i mask = _mm_setr_epi32( 0x0f0b0703, -1, -1, -1 );
__m128i m0 = _mm_shuffle_epi8( px0, mask );
__m128i m1 = _mm_shuffle_epi8( px1, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 3, 0, 3 ) ) );
__m128i m2 = _mm_shuffle_epi8( px2, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 0, 3, 3 ) ) );
__m128i m3 = _mm_shuffle_epi8( px3, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 0, 3, 3, 3 ) ) );
__m128i m4 = _mm_or_si128( m0, m1 );
__m128i m5 = _mm_or_si128( m2, m3 );
__m128i a = _mm_or_si128( m4, m5 );
return ProcessOneChannel_SSE( a );
}
#endif
void CompressDxt1( const uint32_t* src, uint64_t* dst, uint32_t blocks, size_t width )
@ -954,3 +959,128 @@ void CompressDxt5( const uint32_t* src, uint64_t* dst, uint32_t blocks, size_t w
}
while( --blocks );
}
void CompressBc4( const uint32_t* src, uint64_t* dst, uint32_t blocks, size_t width )
{
int i = 0;
auto ptr = dst;
do
{
#ifdef __SSE4_1__
__m128i px0 = _mm_loadu_si128( (__m128i*)( src + width * 0 ) );
__m128i px1 = _mm_loadu_si128( (__m128i*)( src + width * 1 ) );
__m128i px2 = _mm_loadu_si128( (__m128i*)( src + width * 2 ) );
__m128i px3 = _mm_loadu_si128( (__m128i*)( src + width * 3 ) );
src += 4;
if( ++i == width/4 )
{
src += width * 3;
i = 0;
}
__m128i mask = _mm_setr_epi32( 0x0c080400, -1, -1, -1 );
__m128i m0 = _mm_shuffle_epi8( px0, mask );
__m128i m1 = _mm_shuffle_epi8( px1, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 3, 0, 3 ) ) );
__m128i m2 = _mm_shuffle_epi8( px2, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 0, 3, 3 ) ) );
__m128i m3 = _mm_shuffle_epi8( px3, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 0, 3, 3, 3 ) ) );
__m128i m4 = _mm_or_si128( m0, m1 );
__m128i m5 = _mm_or_si128( m2, m3 );
*ptr++ = ProcessOneChannel_SSE( _mm_or_si128( m4, m5 ) );
#else
uint8_t r[4*4];
auto rgba = src;
for( int i=0; i<4; i++ )
{
r[i*4] = rgba[0] & 0xff;
r[i*4+1] = rgba[1] & 0xff;
r[i*4+2] = rgba[2] & 0xff;
r[i*4+3] = rgba[3] & 0xff;
rgba += width;
}
src += 4;
if( ++i == width/4 )
{
src += width * 3;
i = 0;
}
*ptr++ = ProcessAlpha( r );
#endif
} while( --blocks );
}
void CompressBc5( const uint32_t* src, uint64_t* dst, uint32_t blocks, size_t width )
{
int i = 0;
auto ptr = dst;
do
{
#ifdef __SSE4_1__
__m128i px0 = _mm_loadu_si128( (__m128i*)( src + width * 0 ) );
__m128i px1 = _mm_loadu_si128( (__m128i*)( src + width * 1 ) );
__m128i px2 = _mm_loadu_si128( (__m128i*)( src + width * 2 ) );
__m128i px3 = _mm_loadu_si128( (__m128i*)( src + width * 3 ) );
src += 4;
if( ++i == width/4 )
{
src += width*3;
i = 0;
}
__m128i mask = _mm_setr_epi32( 0x0c080400, -1, -1, -1 );
__m128i m0 = _mm_shuffle_epi8( px0, mask );
__m128i m1 = _mm_shuffle_epi8( px1, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 3, 0, 3 ) ) );
__m128i m2 = _mm_shuffle_epi8( px2, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 0, 3, 3 ) ) );
__m128i m3 = _mm_shuffle_epi8( px3, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 0, 3, 3, 3 ) ) );
__m128i m4 = _mm_or_si128( m0, m1 );
__m128i m5 = _mm_or_si128( m2, m3 );
*ptr++ = ProcessOneChannel_SSE( _mm_or_si128( m4, m5 ) );
mask = _mm_setr_epi32( 0x0d090501, -1, -1, -1 );
m0 = _mm_shuffle_epi8( px0, mask );
m1 = _mm_shuffle_epi8( px1, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 3, 0, 3 ) ) );
m2 = _mm_shuffle_epi8( px2, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 3, 0, 3, 3 ) ) );
m3 = _mm_shuffle_epi8( px3, _mm_shuffle_epi32( mask, _MM_SHUFFLE( 0, 3, 3, 3 ) ) );
m4 = _mm_or_si128( m0, m1 );
m5 = _mm_or_si128( m2, m3 );
*ptr++ = ProcessOneChannel_SSE( _mm_or_si128( m4, m5 ) );
#else
uint8_t rg[4*4*2];
auto rgba = src;
for( int i=0; i<4; i++ )
{
rg[i*4] = rgba[0] & 0xff;
rg[i*4+1] = rgba[1] & 0xff;
rg[i*4+2] = rgba[2] & 0xff;
rg[i*4+3] = rgba[3] & 0xff;
rg[16+i*4] = (rgba[0] & 0xff00) >> 8;
rg[16+i*4+1] = (rgba[1] & 0xff00) >> 8;
rg[16+i*4+2] = (rgba[2] & 0xff00) >> 8;
rg[16+i*4+3] = (rgba[3] & 0xff00) >> 8;
rgba += width;
}
src += 4;
if( ++i == width/4 )
{
src += width*3;
i = 0;
}
*ptr++ = ProcessAlpha( rg );
*ptr++ = ProcessAlpha( &rg[16] );
#endif
} while( --blocks );
}