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intel/isl: Limit CCS to one level and layer on gen7

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v2 (Jason Ekstrand):
- Remove Vulkan-specific terminology from the commit title.
- Replace '== 7' with '<= 7' to hint that this is a new feature on BDW+.

Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com> (v1)
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Nanley Chery 2017-04-24 10:20:27 -07:00
parent 6b23c65f3a
commit b934330191
1 changed files with 7 additions and 2 deletions
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9
src/intel/isl/isl.c
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@ -1736,14 +1736,19 @@ isl_surf_get_ccs_surf(const struct isl_device *dev,
return false;
}
/* Multi-LOD and multi-layer CCS isn't supported on gen7. */
const uint8_t levels = ISL_DEV_GEN(dev) <= 7 ? 1 : surf->levels;
const uint32_t array_len = ISL_DEV_GEN(dev) <= 7 ?
1 : surf->logical_level0_px.array_len;
return isl_surf_init(dev, ccs_surf,
.dim = surf->dim,
.format = ccs_format,
.width = surf->logical_level0_px.width,
.height = surf->logical_level0_px.height,
.depth = surf->logical_level0_px.depth,
.levels = surf->levels,
.array_len = surf->logical_level0_px.array_len,
.levels = levels,
.array_len = array_len,
.samples = 1,
.usage = ISL_SURF_USAGE_CCS_BIT,
.tiling_flags = ISL_TILING_CCS_BIT);