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-rw-r--r--src/mesa/shader/nvvertparse.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/shader/nvvertparse.c b/src/mesa/shader/nvvertparse.c
index accf6a3..71d5116 100644
--- a/src/mesa/shader/nvvertparse.c
+++ b/src/mesa/shader/nvvertparse.c
@@ -978,6 +978,11 @@ Parse_AddressInstruction(struct parse_state *parseState, struct prog_instruction
inst->Opcode = OPCODE_ARL;
inst->StringPos = parseState->curLine - parseState->start;
+ /* Make ARB_vp backends happy */
+ inst->DstReg.File = PROGRAM_ADDRESS;
+ inst->DstReg.WriteMask = WRITEMASK_X;
+ inst->DstReg.Index = 0;
+
/* dest A0 reg */
if (!Parse_AddrReg(parseState))
RETURN_ERROR;