This field is ignored by the hardware in this case and, on very large 1-D
textures, it can end up being larger than the maximum allowed value.
---
src/intel/isl/isl_surface_state.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/intel/isl/isl_surface_state.c
b/src/intel/isl/isl_surface_state.c
index e1159b2..8f223d1 100644
--- a/src/intel/isl/isl_surface_state.c
+++ b/src/intel/isl/isl_surface_state.c
@@ -298,6 +298,9 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev,
void *state,
* two rows interleaved."
*/
s.SurfacePitch = info->surf->row_pitch * 2 - 1;
+ } else if (info->surf->dim_layout == ISL_DIM_LAYOUT_GEN9_1D) {
+ /* For gen9 1-D textures, surface pitch is ignored */
+ s.SurfacePitch = 0;
} else {
s.SurfacePitch = info->surf->row_pitch - 1;
}
--
2.5.0.400.gff86faf
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