Mesa (main): radv: disable HTILE for D32S8 format and mipmaps on GFX10
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Thu Nov 18 15:11:33 UTC 2021
Module: Mesa
Branch: main
Commit: 341278f069a54a173fa646b16e0b68eefd28e5ed
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=341278f069a54a173fa646b16e0b68eefd28e5ed
Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date: Tue Nov 16 11:08:15 2021 +0100
radv: disable HTILE for D32S8 format and mipmaps on GFX10
Stencil texturing with HTILE doesn't work with mipmapping on Navi10-14,
it's a hw bug. RadeonSI and PAL have a workaround too.
This fixes 35 piglit failures with Zink on Navi10.
Cc: 21.3 mesa-stable
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13814>
---
src/amd/vulkan/radv_image.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
index 69bfa19b388..962563936f4 100644
--- a/src/amd/vulkan/radv_image.c
+++ b/src/amd/vulkan/radv_image.c
@@ -352,6 +352,11 @@ radv_use_htile_for_image(const struct radv_device *device, const struct radv_ima
bool use_htile_for_mips =
image->info.array_size == 1 && device->physical_device->rad_info.chip_class >= GFX10;
+ /* Stencil texturing with HTILE doesn't work with mipmapping on Navi10-14. */
+ if (device->physical_device->rad_info.chip_class == GFX10 &&
+ image->vk_format == VK_FORMAT_D32_SFLOAT_S8_UINT && image->info.levels > 1)
+ return false;
+
/* Do not enable HTILE for very small images because it seems less performant but make sure it's
* allowed with VRS attachments because we need HTILE.
*/
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