diff options
| -rw-r--r-- | src/mesa/program/prog_optimize.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/program/prog_optimize.c b/src/mesa/program/prog_optimize.c index 8a40fa69eca..f4a7a638d5f 100644 --- a/src/mesa/program/prog_optimize.c +++ b/src/mesa/program/prog_optimize.c @@ -1319,6 +1319,15 @@ _mesa_simplify_cmp(struct gl_program * program) inst->Opcode = OPCODE_MOV; inst->SrcReg[0] = inst->SrcReg[1]; + + /* Unused operands are expected to have the file set to + * PROGRAM_UNDEFINED. This is how _mesa_init_instructions initializes + * all of the sources. + */ + inst->SrcReg[1].File = PROGRAM_UNDEFINED; + inst->SrcReg[1].Swizzle = SWIZZLE_NOOP; + inst->SrcReg[2].File = PROGRAM_UNDEFINED; + inst->SrcReg[2].Swizzle = SWIZZLE_NOOP; } } if (dbg) { |