Mesa (master): isl: Don't require VALIGN_2 for R32G32B32_FLOAT on Haswell.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 02720f8d249a65d952888b6028a0b8ff0f9a42e4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=02720f8d249a65d952888b6028a0b8ff0f9a42e4

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Thu Dec 14 16:17:45 2017 -0800

isl: Don't require VALIGN_2 for R32G32B32_FLOAT on Haswell.

According to the RENDER_SURFACE_STATE internal documentation, the
R32G32B32_FLOAT restriction is marked "IVB" only.  We choose to apply
it to Ivybridge and Baytrail, but not Haswell.

Apparently fixes KHR-GL46.texture_size_promotion.functional on Haswell.

Changes these tests from crashing to skipping on Haswell:
- KHR-GL46.direct_state_access.textures_storage_multisample_2d_rgb32f
- KHR-GL46.direct_state_access.textures_storage_multisample_3d_rgb32f

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

---

 src/intel/isl/isl_gen7.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/intel/isl/isl_gen7.c b/src/intel/isl/isl_gen7.c
index c42428cba7..4fa9851233 100644
--- a/src/intel/isl/isl_gen7.c
+++ b/src/intel/isl/isl_gen7.c
@@ -38,9 +38,11 @@ gen7_format_needs_valign2(const struct isl_device *dev,
     *      (0x190)
     *
     *    - VALIGN_4 is not supported for surface format R32G32B32_FLOAT.
+    *
+    * The R32G32B32_FLOAT restriction is dropped on Haswell.
     */
    return isl_format_is_yuv(format) ||
-          format == ISL_FORMAT_R32G32B32_FLOAT;
+          (format == ISL_FORMAT_R32G32B32_FLOAT && !ISL_DEV_IS_HASWELL(dev));
 }
 
 bool