diff options
| author | Eric Anholt <[email protected]> | 2015-07-31 17:08:46 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2015-08-04 17:19:01 -0700 |
| commit | 63eac5de8fd0e091d07f866a42584c057ca4bfa9 (patch) | |
| tree | 6318cac05836a98b4913dc615fee312f71b970b8 | |
| parent | cc8fb2904673588d31b660dbfaf692615b5202dd (diff) | |
vc4: Don't bother saturating the dst color for blending.
Since we just pulled it out of the destination as 8-bit unorm, we know
it's in [0, 1] already.
shader-db:
total instructions in shared programs: 100040 -> 98208 (-1.83%)
instructions in affected programs: 14084 -> 12252 (-13.01%)
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index 5e2a3f448a0..d6c60739e93 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -1130,14 +1130,8 @@ vc4_blend(struct vc4_compile *c, struct qreg *result, return; } - struct qreg clamped_src[4]; - struct qreg clamped_dst[4]; - for (int i = 0; i < 4; i++) { - clamped_src[i] = qir_SAT(c, src_color[i]); - clamped_dst[i] = qir_SAT(c, dst_color[i]); - } - src_color = clamped_src; - dst_color = clamped_dst; + for (int i = 0; i < 4; i++) + src_color[i] = qir_SAT(c, src_color[i]); struct qreg src_blend[4], dst_blend[4]; for (int i = 0; i < 3; i++) { |