Module: Mesa Branch: master Commit: 63eac5de8fd0e091d07f866a42584c057ca4bfa9 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=63eac5de8fd0e091d07f866a42584c057ca4bfa9
Author: Eric Anholt <[email protected]> Date: Fri Jul 31 17:08:46 2015 -0700 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%) --- src/gallium/drivers/vc4/vc4_program.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index 5e2a3f4..d6c6073 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++) { _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
