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authorJason Ekstrand <[email protected]>2016-09-01 22:25:50 -0700
committerJason Ekstrand <[email protected]>2016-10-03 14:53:01 -0700
commitc3bd7114113e959a185f7cdb8c884b4a10a199c8 (patch)
treeaf23d58df1ddac82f2088632257335c3465f7209
parent69d3bb99154285bb16e8ce0f5d5cefed0d395a15 (diff)
intel/isl: Remove tiling checks from choose_msaa_layout
We already do those checks in filter_tiling. There's no good reason to repeat them in choose_msaa_layout. If anything they should have been asserts and not "return false" checks. Also, this check was causing us to outright reject multisampled HiZ surfaces which wasn't intended. Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Chad Versace <[email protected]> Reviewed-by: Nanley Chery <[email protected]>
-rw-r--r--src/intel/isl/isl_gen7.c10
-rw-r--r--src/intel/isl/isl_gen8.c11
2 files changed, 7 insertions, 14 deletions
diff --git a/src/intel/isl/isl_gen7.c b/src/intel/isl/isl_gen7.c
index 022dd866a74..805b62badaf 100644
--- a/src/intel/isl/isl_gen7.c
+++ b/src/intel/isl/isl_gen7.c
@@ -249,9 +249,13 @@ gen6_filter_tiling(const struct isl_device *dev,
* For multisample render targets, this field must be 1 (true). MSRTs
* can only be tiled.
*
- * Multisample surfaces never require X tiling, and Y tiling generally
- * performs better than X. So choose Y. (Unless it's stencil, then it
- * must be W).
+ * From the Broadwell PRM >> Volume2d: Command Structures >>
+ * RENDER_SURFACE_STATE Tile Mode:
+ *
+ * If Number of Multisamples is not MULTISAMPLECOUNT_1, this field
+ * must be YMAJOR.
+ *
+ * As usual, though, stencil is special and requires W-tiling.
*/
*flags &= (ISL_TILING_ANY_Y_MASK | ISL_TILING_W_BIT);
}
diff --git a/src/intel/isl/isl_gen8.c b/src/intel/isl/isl_gen8.c
index 0049614a0f4..2d7f41f5452 100644
--- a/src/intel/isl/isl_gen8.c
+++ b/src/intel/isl/isl_gen8.c
@@ -41,17 +41,6 @@ gen8_choose_msaa_layout(const struct isl_device *dev,
}
/* From the Broadwell PRM >> Volume2d: Command Structures >>
- * RENDER_SURFACE_STATE Tile Mode:
- *
- * - If Number of Multisamples is not MULTISAMPLECOUNT_1, this field
- * must be YMAJOR.
- *
- * As usual, though, stencil is special.
- */
- if (!isl_tiling_is_any_y(tiling) && !isl_surf_usage_is_stencil(info->usage))
- return false;
-
- /* From the Broadwell PRM >> Volume2d: Command Structures >>
* RENDER_SURFACE_STATE Multisampled Surface Storage Format:
*
* All multisampled render target surfaces must have this field set to