diff options
Diffstat (limited to 'src/intel/isl')
| -rw-r--r-- | src/intel/isl/isl_surface_state.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c index fb23414b85f..990b7633d98 100644 --- a/src/intel/isl/isl_surface_state.c +++ b/src/intel/isl/isl_surface_state.c @@ -239,6 +239,19 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state, switch (s.SurfaceType) { case SURFTYPE_1D: case SURFTYPE_2D: + /* From the Ivy Bridge PRM >> RENDER_SURFACE_STATE::MinimumArrayElement: + * + * "If Number of Multisamples is not MULTISAMPLECOUNT_1, this field + * must be set to zero if this surface is used with sampling engine + * messages." + * + * This restriction appears to exist only on Ivy Bridge. + */ + if (GEN_GEN == 7 && !GEN_IS_HASWELL && !ISL_DEV_IS_BAYTRAIL(dev) && + (info->view->usage & ISL_SURF_USAGE_TEXTURE_BIT) && + info->surf->samples > 1) + assert(info->view->base_array_layer == 0); + s.MinimumArrayElement = info->view->base_array_layer; /* From the Broadwell PRM >> RENDER_SURFACE_STATE::Depth: |