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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-10-17 16:41:14 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-10-17 16:41:14 +0100 |
| commit | 18aed47ba37ccfbcdd72ed251fc97222741c66a7 (patch) | |
| tree | 84db0d50287fccb6b785aaf8a156b7101d739be7 | |
| parent | a3466c8b69afeda95180fcdc97b56d31f7a1d1ad (diff) | |
sna: Fast path common colour conversions
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/sna_blt.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/sna/sna_blt.c b/src/sna/sna_blt.c index 9d847474..15b09bfc 100644 --- a/src/sna/sna_blt.c +++ b/src/sna/sna_blt.c @@ -433,6 +433,20 @@ sna_get_pixel_from_rgba(uint32_t * pixel, int rbits, bbits, gbits, abits; int rshift, bshift, gshift, ashift; + switch (format) { + case PICT_x8r8g8b8: + alpha = 0xffff; + case PICT_a8r8g8b8: + *pixel = ((alpha >> 8 << 24) | + (red >> 8 << 16) | + (green & 0xff00) | + (blue >> 8)); + return TRUE; + case PICT_a8: + *pixel = alpha >> 8; + return TRUE; + } + rbits = PICT_FORMAT_R(format); gbits = PICT_FORMAT_G(format); bbits = PICT_FORMAT_B(format); |