i915: Fix use of uninitialized variable in OPCODE_NOISE stub.

We don't actually care which register is used since we're just
swizzling (0,0,0,0), but it should be a valid variable number.
Detected by clang.

diff --git a/src/mesa/drivers/dri/i915/i915_fragprog.c b/src/mesa/drivers/dri/i915/i915_fragprog.c
index 9e4d31803602ac4a9b117c17a4e8181c3a4fab38..a273bd28ea1fe8d8e97a7898de0d3fda3c63b839 100644 (file)
--- a/src/mesa/drivers/dri/i915/i915_fragprog.c
+++ b/src/mesa/drivers/dri/i915/i915_fragprog.c
@@ -663,7 +663,7 @@ upload_program(struct i915_fragment_program *p)
                         A0_MOV,
                         get_result_vector(p, inst),
                         get_result_flags(inst), 0,
-                        swizzle(src0, ZERO, ZERO, ZERO, ZERO), 0, 0);
+                        swizzle(tmp, ZERO, ZERO, ZERO, ZERO), 0, 0);
 
       case OPCODE_POW:
          src0 = src_vector(p, &inst->SrcReg[0], program);