diff options
| -rw-r--r-- | src/gallium/auxiliary/util/p_tile.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/util/p_tile.c b/src/gallium/auxiliary/util/p_tile.c index c9a9c8f4f71..520da5cecd5 100644 --- a/src/gallium/auxiliary/util/p_tile.c +++ b/src/gallium/auxiliary/util/p_tile.c @@ -587,6 +587,8 @@ ycbcr_get_tile_rgba(ushort *src, const ubyte y0 = (t0 >> 8) & 0xff; /* luminance */ const ubyte y1 = (t1 >> 8) & 0xff; /* luminance */ ubyte cb, cr; + float r, g, b; + if (rev) { cb = t1 & 0xff; /* chroma U */ cr = t0 & 0xff; /* chroma V */ @@ -595,12 +597,11 @@ ycbcr_get_tile_rgba(ushort *src, cb = t0 & 0xff; /* chroma U */ cr = t1 & 0xff; /* chroma V */ } - float r, g, b; /* even pixel: y0,cr,cb */ - r = 1.164 * (y0-16) + 1.596 * (cr-128); - g = 1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128); - b = 1.164 * (y0-16) + 2.018 * (cb-128); + r = 1.164f * (y0-16) + 1.596f * (cr-128); + g = 1.164f * (y0-16) - 0.813f * (cr-128) - 0.391f * (cb-128); + b = 1.164f * (y0-16) + 2.018f * (cb-128); pRow[0] = r * scale; pRow[1] = g * scale; pRow[2] = b * scale; @@ -608,9 +609,9 @@ ycbcr_get_tile_rgba(ushort *src, pRow += 4; /* odd pixel: use y1,cr,cb */ - r = 1.164 * (y1-16) + 1.596 * (cr-128); - g = 1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128); - b = 1.164 * (y1-16) + 2.018 * (cb-128); + r = 1.164f * (y1-16) + 1.596f * (cr-128); + g = 1.164f * (y1-16) - 0.813f * (cr-128) - 0.391f * (cb-128); + b = 1.164f * (y1-16) + 2.018f * (cb-128); pRow[0] = r * scale; pRow[1] = g * scale; pRow[2] = b * scale; |