diff options
Diffstat (limited to 'thirdparty/etcpak/ProcessDxtc.cpp')
| -rw-r--r-- | thirdparty/etcpak/ProcessDxtc.cpp | 152 |
1 files changed, 141 insertions, 11 deletions
diff --git a/thirdparty/etcpak/ProcessDxtc.cpp b/thirdparty/etcpak/ProcessDxtc.cpp index 508d55fd75..7f7f1a4be4 100644 --- a/thirdparty/etcpak/ProcessDxtc.cpp +++ b/thirdparty/etcpak/ProcessDxtc.cpp @@ -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 ); +} |