anv: Don't use uninitialized barycentric_interp_modes

If we don't have a fragment shader, wm_prog_data in undefined.

diff --git a/src/vulkan/gen8_pipeline.c b/src/vulkan/gen8_pipeline.c
index b23bb4b..314a958 100644 (file)
--- a/src/vulkan/gen8_pipeline.c
+++ b/src/vulkan/gen8_pipeline.c
@@ -343,7 +343,8 @@ genX(graphics_pipeline_create)(
                   .ForceThreadDispatchEnable = NORMAL,
                   .PointRasterizationRule = RASTRULE_UPPER_RIGHT,
                   .BarycentricInterpolationMode =
-                     pipeline->wm_prog_data.barycentric_interp_modes);
+                     pipeline->ps_ksp0 == NO_KERNEL ?
+                     0 : pipeline->wm_prog_data.barycentric_interp_modes);
 
    uint32_t samples = 1;
    uint32_t log2_samples = __builtin_ffs(samples) - 1;