intel/fs: Fix implied_mrf_writes() for headerless FB writes.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Reviewed-by: Matt Turner <mattst88@gmail.com>
2017-01-13 14:18:22 -08:00 · 2017-01-13 14:18:22 -08:00 · dda31a7bbc
parent 90643689aa
commit dda31a7bbc
1 changed files with 2 additions and 1 deletions
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@ -1007,7 +1007,8 @@ fs_visitor::implied_mrf_writes(fs_inst *inst) const
   case SHADER_OPCODE_SAMPLEINFO:
      return 1;
   case FS_OPCODE_FB_WRITE:
-      return 2;
+   case FS_OPCODE_REP_FB_WRITE:
+      return inst->src[0].file == BAD_FILE ? 0 : 2;
   case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD:
   case SHADER_OPCODE_GEN4_SCRATCH_READ:
      return 1;