diff options
author | Søren Sandmann Pedersen <ssp@redhat.com> | 2011-03-11 17:09:34 -0500 |
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committer | Søren Sandmann Pedersen <ssp@redhat.com> | 2011-08-19 20:01:40 -0400 |
commit | 2644d5a947ad82a82e914acf72bbb411097a4bae (patch) | |
tree | dce66e79c5b89e132ed07e7a353c614432a12cfa | |
parent | 12ad42dd32240f08708eddb157a6b23904ae39a7 (diff) |
Move bilinear interpolation to pixman-inlines.h
-rw-r--r-- | pixman/pixman-bits-image.c | 91 | ||||
-rw-r--r-- | pixman/pixman-inlines.h | 91 |
2 files changed, 91 insertions, 91 deletions
diff --git a/pixman/pixman-bits-image.c b/pixman/pixman-bits-image.c index caa581f..f540c76 100644 --- a/pixman/pixman-bits-image.c +++ b/pixman/pixman-bits-image.c @@ -113,97 +113,6 @@ bits_image_fetch_pixel_nearest (bits_image_t *image, } } -#if SIZEOF_LONG > 4 - -static force_inline uint32_t -bilinear_interpolation (uint32_t tl, uint32_t tr, - uint32_t bl, uint32_t br, - int distx, int disty) -{ - uint64_t distxy, distxiy, distixy, distixiy; - uint64_t tl64, tr64, bl64, br64; - uint64_t f, r; - - distxy = distx * disty; - distxiy = distx * (256 - disty); - distixy = (256 - distx) * disty; - distixiy = (256 - distx) * (256 - disty); - - /* Alpha and Blue */ - tl64 = tl & 0xff0000ff; - tr64 = tr & 0xff0000ff; - bl64 = bl & 0xff0000ff; - br64 = br & 0xff0000ff; - - f = tl64 * distixiy + tr64 * distxiy + bl64 * distixy + br64 * distxy; - r = f & 0x0000ff0000ff0000ull; - - /* Red and Green */ - tl64 = tl; - tl64 = ((tl64 << 16) & 0x000000ff00000000ull) | (tl64 & 0x0000ff00ull); - - tr64 = tr; - tr64 = ((tr64 << 16) & 0x000000ff00000000ull) | (tr64 & 0x0000ff00ull); - - bl64 = bl; - bl64 = ((bl64 << 16) & 0x000000ff00000000ull) | (bl64 & 0x0000ff00ull); - - br64 = br; - br64 = ((br64 << 16) & 0x000000ff00000000ull) | (br64 & 0x0000ff00ull); - - f = tl64 * distixiy + tr64 * distxiy + bl64 * distixy + br64 * distxy; - r |= ((f >> 16) & 0x000000ff00000000ull) | (f & 0xff000000ull); - - return (uint32_t)(r >> 16); -} - -#else - -static force_inline uint32_t -bilinear_interpolation (uint32_t tl, uint32_t tr, - uint32_t bl, uint32_t br, - int distx, int disty) -{ - int distxy, distxiy, distixy, distixiy; - uint32_t f, r; - - distxy = distx * disty; - distxiy = (distx << 8) - distxy; /* distx * (256 - disty) */ - distixy = (disty << 8) - distxy; /* disty * (256 - distx) */ - distixiy = - 256 * 256 - (disty << 8) - - (distx << 8) + distxy; /* (256 - distx) * (256 - disty) */ - - /* Blue */ - r = (tl & 0x000000ff) * distixiy + (tr & 0x000000ff) * distxiy - + (bl & 0x000000ff) * distixy + (br & 0x000000ff) * distxy; - - /* Green */ - f = (tl & 0x0000ff00) * distixiy + (tr & 0x0000ff00) * distxiy - + (bl & 0x0000ff00) * distixy + (br & 0x0000ff00) * distxy; - r |= f & 0xff000000; - - tl >>= 16; - tr >>= 16; - bl >>= 16; - br >>= 16; - r >>= 16; - - /* Red */ - f = (tl & 0x000000ff) * distixiy + (tr & 0x000000ff) * distxiy - + (bl & 0x000000ff) * distixy + (br & 0x000000ff) * distxy; - r |= f & 0x00ff0000; - - /* Alpha */ - f = (tl & 0x0000ff00) * distixiy + (tr & 0x0000ff00) * distxiy - + (bl & 0x0000ff00) * distixy + (br & 0x0000ff00) * distxy; - r |= f & 0xff000000; - - return r; -} - -#endif - static force_inline uint32_t bits_image_fetch_pixel_bilinear (bits_image_t *image, pixman_fixed_t x, diff --git a/pixman/pixman-inlines.h b/pixman/pixman-inlines.h index 2b55c2e..f1e0cbd 100644 --- a/pixman/pixman-inlines.h +++ b/pixman/pixman-inlines.h @@ -81,6 +81,97 @@ repeat (pixman_repeat_t repeat, int *c, int size) return TRUE; } +#if SIZEOF_LONG > 4 + +static force_inline uint32_t +bilinear_interpolation (uint32_t tl, uint32_t tr, + uint32_t bl, uint32_t br, + int distx, int disty) +{ + uint64_t distxy, distxiy, distixy, distixiy; + uint64_t tl64, tr64, bl64, br64; + uint64_t f, r; + + distxy = distx * disty; + distxiy = distx * (256 - disty); + distixy = (256 - distx) * disty; + distixiy = (256 - distx) * (256 - disty); + + /* Alpha and Blue */ + tl64 = tl & 0xff0000ff; + tr64 = tr & 0xff0000ff; + bl64 = bl & 0xff0000ff; + br64 = br & 0xff0000ff; + + f = tl64 * distixiy + tr64 * distxiy + bl64 * distixy + br64 * distxy; + r = f & 0x0000ff0000ff0000ull; + + /* Red and Green */ + tl64 = tl; + tl64 = ((tl64 << 16) & 0x000000ff00000000ull) | (tl64 & 0x0000ff00ull); + + tr64 = tr; + tr64 = ((tr64 << 16) & 0x000000ff00000000ull) | (tr64 & 0x0000ff00ull); + + bl64 = bl; + bl64 = ((bl64 << 16) & 0x000000ff00000000ull) | (bl64 & 0x0000ff00ull); + + br64 = br; + br64 = ((br64 << 16) & 0x000000ff00000000ull) | (br64 & 0x0000ff00ull); + + f = tl64 * distixiy + tr64 * distxiy + bl64 * distixy + br64 * distxy; + r |= ((f >> 16) & 0x000000ff00000000ull) | (f & 0xff000000ull); + + return (uint32_t)(r >> 16); +} + +#else + +static force_inline uint32_t +bilinear_interpolation (uint32_t tl, uint32_t tr, + uint32_t bl, uint32_t br, + int distx, int disty) +{ + int distxy, distxiy, distixy, distixiy; + uint32_t f, r; + + distxy = distx * disty; + distxiy = (distx << 8) - distxy; /* distx * (256 - disty) */ + distixy = (disty << 8) - distxy; /* disty * (256 - distx) */ + distixiy = + 256 * 256 - (disty << 8) - + (distx << 8) + distxy; /* (256 - distx) * (256 - disty) */ + + /* Blue */ + r = (tl & 0x000000ff) * distixiy + (tr & 0x000000ff) * distxiy + + (bl & 0x000000ff) * distixy + (br & 0x000000ff) * distxy; + + /* Green */ + f = (tl & 0x0000ff00) * distixiy + (tr & 0x0000ff00) * distxiy + + (bl & 0x0000ff00) * distixy + (br & 0x0000ff00) * distxy; + r |= f & 0xff000000; + + tl >>= 16; + tr >>= 16; + bl >>= 16; + br >>= 16; + r >>= 16; + + /* Red */ + f = (tl & 0x000000ff) * distixiy + (tr & 0x000000ff) * distxiy + + (bl & 0x000000ff) * distixy + (br & 0x000000ff) * distxy; + r |= f & 0x00ff0000; + + /* Alpha */ + f = (tl & 0x0000ff00) * distixiy + (tr & 0x0000ff00) * distxiy + + (bl & 0x0000ff00) * distixy + (br & 0x0000ff00) * distxy; + r |= f & 0xff000000; + + return r; +} + +#endif + /* * For each scanline fetched from source image with PAD repeat: * - calculate how many pixels need to be padded on the left side |