st/vega: Fix a typo in EXTENDED_BLENDER_OVER_FUNC.

The typo was introduced by commit
231d5457b275c1d9bbeff14165cf3da33dda176b.

diff --git a/src/gallium/state_trackers/vega/asm_fill.h b/src/gallium/state_trackers/vega/asm_fill.h
index 2777346..9a06982 100644 (file)
--- a/src/gallium/state_trackers/vega/asm_fill.h
+++ b/src/gallium/state_trackers/vega/asm_fill.h
@@ -235,7 +235,7 @@ image_stencil( struct ureg_program *ureg,
    ureg_SUB(ureg, temp[3],                                              \
             ureg_scalar(constant[1], TGSI_SWIZZLE_Y),                   \
             ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W));            \
-   ureg_SUB(ureg, temp[3],                                              \
+   ureg_SUB(ureg, temp[4],                                              \
             ureg_scalar(constant[1], TGSI_SWIZZLE_Y),                   \
             ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W));            \
    ureg_MUL(ureg, temp[3], ureg_src(temp[0]), ureg_src(temp[3]));       \