summaryrefslogtreecommitdiffstats
path: root/src/mesa
diff options
context:
space:
mode:
authorChris Forbes <[email protected]>2014-12-07 10:12:36 +1300
committerChris Forbes <[email protected]>2014-12-07 10:29:26 +1300
commit092c73a7c32b240a26ffeab2ee475f6d590540b2 (patch)
treeddd798ddc2a142932214726a4e24d244794c57f6 /src/mesa
parent680f72d6f2259a1dd382a1876a594b407f933278 (diff)
i965: Fix regs read for FS_OPCODE_INTERP_PER_SLOT_OFFSET
Dead code elimination was eating the Y offset. Fixes the piglit test: spec/ARB_gpu_shader5/arb_gpu_shader5-interpolateAtOffset-nonconst Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 37857e91042..389c8ae183c 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -902,6 +902,8 @@ fs_inst::regs_read(fs_visitor *v, int arg) const
return mlen;
} else if (opcode == SHADER_OPCODE_UNTYPED_SURFACE_READ && arg == 0) {
return mlen;
+ } else if (opcode == FS_OPCODE_INTERPOLATE_AT_PER_SLOT_OFFSET && arg == 0) {
+ return mlen;
}
switch (src[arg].file) {