diff options
| author | José Fonseca <[email protected]> | 2013-11-21 13:11:30 +0000 |
|---|---|---|
| committer | José Fonseca <[email protected]> | 2013-11-22 15:03:36 +0000 |
| commit | 69049555af0b0a8fe6005cfa5766f15fc91403a0 (patch) | |
| tree | a1ad4d21be00a94f7a69dc1c9c0e4e34d88d022d /src/gallium/auxiliary/tgsi/tgsi_ureg.c | |
| parent | 4ade77f625cf3b29dabb6d7c151b7ab649def0d5 (diff) | |
tgsi: Prevent emission of instructions with empty writemask.
These degenerate instructions can often be emitted by state trackers
when the semantics of instructions don't match precisely.
Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_ureg.c')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_ureg.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c index 432ed00c715..f06858ef177 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c +++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c @@ -1113,6 +1113,10 @@ ureg_insn(struct ureg_program *ureg, boolean negate = FALSE; unsigned swizzle[4] = { 0 }; + if (nr_dst && ureg_dst_is_empty(dst[0])) { + return; + } + saturate = nr_dst ? dst[0].Saturate : FALSE; predicate = nr_dst ? dst[0].Predicate : FALSE; if (predicate) { @@ -1162,6 +1166,10 @@ ureg_tex_insn(struct ureg_program *ureg, boolean negate = FALSE; unsigned swizzle[4] = { 0 }; + if (nr_dst && ureg_dst_is_empty(dst[0])) { + return; + } + saturate = nr_dst ? dst[0].Saturate : FALSE; predicate = nr_dst ? dst[0].Predicate : FALSE; if (predicate) { |