ANV: Stop advertising smoothLines support on gen10+

Reviewed-by: Ivan Briano <ivan.briano@intel.com>
2019-12-06 15:20:35 -06:00
parent 85a9698ac3
commit 41691ac016
1 changed files with 9 additions and 1 deletions
@@ -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;