d3d1x/sm4: fix swizzle for 1 component operands

For example, "mov o0.w, l(1)" would use imm_values[3], which is
not valid.

diff --git a/src/gallium/state_trackers/d3d1x/d3d1xshader/src/sm4_parse.cpp b/src/gallium/state_trackers/d3d1x/d3d1xshader/src/sm4_parse.cpp
index 2c0f8269af3b3a549684dcd73008678f12448bde..de4a1e551e24892518b5c56111612c3547eedfa0 100644 (file)
--- a/src/gallium/state_trackers/d3d1x/d3d1xshader/src/sm4_parse.cpp
+++ b/src/gallium/state_trackers/d3d1x/d3d1xshader/src/sm4_parse.cpp
@@ -91,6 +91,7 @@ struct sm4_parser
                        break;
                case SM4_OPERAND_COMPNUM_1:
                        op.comps = 1;
+                       op.swizzle[1] = op.swizzle[2] = op.swizzle[3] = 0;
                        break;
                case SM4_OPERAND_COMPNUM_4:
                        op.comps = 4;