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authorJason Ekstrand <[email protected]>2016-07-08 22:12:10 -0700
committerJason Ekstrand <[email protected]>2016-07-13 11:47:37 -0700
commit3ab3d97ac9d5851ce452b74822fff0c6c6694ad2 (patch)
treef7bbc93966451b8d5f20fc0e73e00d826e4a6540 /src/intel/isl/isl_gen9.c
parent219024b9a7588a5ebe7faf46120e8e5842e24b43 (diff)
isl: Add support for color control surfaces
Reviewed-by: Chad Versace <[email protected]>
Diffstat (limited to 'src/intel/isl/isl_gen9.c')
-rw-r--r--src/intel/isl/isl_gen9.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/intel/isl/isl_gen9.c b/src/intel/isl/isl_gen9.c
index ff0dec955a5..9c76ccfc669 100644
--- a/src/intel/isl/isl_gen9.c
+++ b/src/intel/isl/isl_gen9.c
@@ -106,6 +106,18 @@ gen9_choose_image_alignment_el(const struct isl_device *dev,
/* Handled by isl_choose_image_alignment_el */
assert(info->format != ISL_FORMAT_HIZ);
+ const struct isl_format_layout *fmtl = isl_format_get_layout(info->format);
+ if (fmtl->txc == ISL_TXC_CCS) {
+ /* Sky Lake PRM Vol. 7, "MCS Buffer for Render Target(s)" (p. 632):
+ *
+ * "Mip-mapped and arrayed surfaces are supported with MCS buffer
+ * layout with these alignments in the RT space: Horizontal
+ * Alignment = 128 and Vertical Alignment = 64."
+ */
+ *image_align_el = isl_extent3d(128 / fmtl->bw, 64 / fmtl->bh, 1);
+ return;
+ }
+
/* This BSpec text provides some insight into the hardware's alignment
* requirements [Skylake BSpec > Memory Views > Common Surface Formats >
* Surface Layout and Tiling > 2D Surfaces]: