Make sure to zero out all the unset texture fields
Make sure to zero out all the unset texture fields

These might contain garbage causing the runtime to incorrectly parse the state of the texture references.

Change-Id: I93c726fa30b580b3e14c50ac939f3c71b0d1c8d9

ROCm-Developer-Tools/HIP,ROCm-Developer-Tools/HIP,ROCm-Developer-Tools/HIP,ROCm-Developer-Tools/HIP,ROCm-Developer-Tools/HIP