From: Jason Ekstrand <jason@jlekstrand.net>
Date: Fri, 6 Dec 2019 21:20:35 +0000 (-0600)
Subject: ANV: Stop advertising smoothLines support on gen10+
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=41691ac016799fab2b55570a6b3d8fcb2c63bf88;p=mesa.git

ANV: Stop advertising smoothLines support on gen10+

Reviewed-by: Ivan Briano <ivan.briano@intel.com>
---

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index ca71cc6d245..c577abf0613 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -1101,7 +1101,15 @@ void anv_GetPhysicalDeviceFeatures2(
             (VkPhysicalDeviceLineRasterizationFeaturesEXT *)ext;
          features->rectangularLines = true;
          features->bresenhamLines = true;
-         features->smoothLines = true;
+         /* Support for Smooth lines with MSAA was removed on gen11.  From the
+          * BSpec section "Multisample ModesState" table for "AA Line Support
+          * Requirements":
+          *
+          *    GEN10:BUG:######## 	NUM_MULTISAMPLES == 1
+          *
+          * Fortunately, this isn't a case most people care about.
+          */
+         features->smoothLines = pdevice->info.gen < 10;
          features->stippledRectangularLines = false;
          features->stippledBresenhamLines = true;
          features->stippledSmoothLines = false;