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anv: advertise rectangularLines only for Gen10+

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We use the non-strict algorithm (with parallelograms) prior to Gen10 for
wide lines.  We can not advertise rectangularLines.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Fixes: f6e7de41d7 ("anv: Implement VK_EXT_line_rasterization")
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15432>
This commit is contained in:
Chia-I Wu
2022-03-17 11:03:18 -07:00
committed by Marge Bot
parent ef8c5a20ee
commit b2b810ebff
1 changed files with 5 additions and 1 deletions
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6
src/intel/vulkan/anv_device.c
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@@ -1596,7 +1596,11 @@ void anv_GetPhysicalDeviceFeatures2(
case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_LINE_RASTERIZATION_FEATURES_EXT: {
VkPhysicalDeviceLineRasterizationFeaturesEXT *features =
(VkPhysicalDeviceLineRasterizationFeaturesEXT *)ext;
features->rectangularLines = true;
/* Rectangular lines must use the strict algorithm, which is not
* supported for wide lines prior to ICL. See rasterization_mode for
* details and how the HW states are programmed.
*/
features->rectangularLines = pdevice->info.ver >= 10;
features->bresenhamLines = true;
/* Support for Smooth lines with MSAA was removed on gfx11. From the
* BSpec section "Multisample ModesState" table for "AA Line Support