diff options
Diffstat (limited to 'fmdsp')
| -rw-r--r-- | fmdsp/fmdsp-vramlookup-c.c | 13 | ||||
| -rw-r--r-- | fmdsp/fmdsp-vramlookup-ssse3.c | 48 | ||||
| -rw-r--r-- | fmdsp/fmdsp.h | 3 |
3 files changed, 59 insertions, 5 deletions
diff --git a/fmdsp/fmdsp-vramlookup-c.c b/fmdsp/fmdsp-vramlookup-c.c index f900c8d..3d06f71 100644 --- a/fmdsp/fmdsp-vramlookup-c.c +++ b/fmdsp/fmdsp-vramlookup-c.c @@ -1,14 +1,17 @@ #include "fmdsp/fmdsp.h" void fmdsp_vramlookup_c(uint8_t *vram32, const uint8_t *vram, const uint8_t *palette, int stride) { + uint32_t palette32[FMDSP_PALETTE_COLORS]; + for (int i = 0; i < FMDSP_PALETTE_COLORS; i++) { + uint8_t r = palette[i*3+0]; + uint8_t g = palette[i*3+1]; + uint8_t b = palette[i*3+2]; + palette32[i] = (((uint32_t)r)<<16) | (((uint32_t)g)<<8) | ((uint32_t)b); + } for (int y = 0; y < PC98_H; y++) { for (int x = 0; x < PC98_W; x++) { - uint8_t r = palette[vram[y*PC98_W+x]*3+0]; - uint8_t g = palette[vram[y*PC98_W+x]*3+1]; - uint8_t b = palette[vram[y*PC98_W+x]*3+2]; - uint32_t data = (((uint32_t)r)<<16) | (((uint32_t)g)<<8) | ((uint32_t)b); uint32_t *row = (uint32_t *)(vram32 + y*stride); - row[x] = data; + row[x] = palette32[vram[y*PC98_W+x]]; } } } diff --git a/fmdsp/fmdsp-vramlookup-ssse3.c b/fmdsp/fmdsp-vramlookup-ssse3.c new file mode 100644 index 0000000..30e7311 --- /dev/null +++ b/fmdsp/fmdsp-vramlookup-ssse3.c @@ -0,0 +1,48 @@ +#include "fmdsp/fmdsp.h" +#include <tmmintrin.h> + +void fmdsp_vramlookup_ssse3(uint8_t *vram32, const uint8_t *vram, const uint8_t *palette, int stride) { + __m128i z = _mm_setzero_si128(); + __m128i p[3]; + { + union { + __m128i xmm; + uint8_t u8[16]; + } pi[3]; + for (int i = 0; i < FMDSP_PALETTE_COLORS; i++) { + for (int c = 0; c < 3; c++) { + pi[c].u8[i] = palette[i*3+c]; + } + } + for (int c = 0; c < 3; c++) { + p[c] = _mm_load_si128(&pi[c].xmm); + } + } + + for (int y = 0; y < PC98_H; y++) { + for (int x = 0; x < 40; x++) { + // 16 pixels + __m128i v = _mm_loadu_si128((__m128i *)&vram[y*PC98_W+x*16]); + + __m128i r = _mm_shuffle_epi8(p[0], v); + __m128i g = _mm_shuffle_epi8(p[1], v); + __m128i b = _mm_shuffle_epi8(p[2], v); + + __m128i gb[2], zr[2]; + gb[0] = _mm_unpacklo_epi8(b, g); + gb[1] = _mm_unpackhi_epi8(b, g); + zr[0] = _mm_unpacklo_epi8(r, z); + zr[1] = _mm_unpackhi_epi8(r, z); + + __m128i o[4]; + o[0] = _mm_unpacklo_epi16(gb[0], zr[0]); + o[1] = _mm_unpackhi_epi16(gb[0], zr[0]); + o[2] = _mm_unpacklo_epi16(gb[1], zr[1]); + o[3] = _mm_unpackhi_epi16(gb[1], zr[1]); + for (int i = 0; i < 4; i++) { + _mm_storeu_si128((__m128i *)&vram32[(x*4+i)*16], o[i]); + } + } + vram32 += stride; + } +} diff --git a/fmdsp/fmdsp.h b/fmdsp/fmdsp.h index a7e4aab..a8c3edc 100644 --- a/fmdsp/fmdsp.h +++ b/fmdsp/fmdsp.h @@ -59,6 +59,9 @@ void fmdsp_vramlookup_c(uint8_t *vram32, const uint8_t *vram, const uint8_t *palette, int stride); + +void fmdsp_vramlookup_neon(uint8_t *, const uint8_t *, const uint8_t *, int); +void fmdsp_vramlookup_ssse3(uint8_t *, const uint8_t *, const uint8_t *, int); #ifdef __cplusplus } #endif |