Module: Mesa
Branch: main
Commit: 7d8e2db9f95747895b6cd137cb1db445b3a1a66f
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=7d8e2db9f95747895b6cd137cb1db445b3a1a66f

Author: Mike Blumenkrantz <[email protected]>
Date:   Fri Feb  3 10:24:42 2023 -0500

lavapipe: disable VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BLEND_BIT for int formats

this is unsupported and undefined by the spec

cc: mesa-stable

Reviewed-by: Roland Scheidegger <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21099>

---

 src/gallium/frontends/lavapipe/lvp_formats.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/frontends/lavapipe/lvp_formats.c 
b/src/gallium/frontends/lavapipe/lvp_formats.c
index 0a4a854ef71..04d46c3d521 100644
--- a/src/gallium/frontends/lavapipe/lvp_formats.c
+++ b/src/gallium/frontends/lavapipe/lvp_formats.c
@@ -135,7 +135,7 @@ lvp_physical_device_get_format_properties(struct 
lvp_physical_device *physical_d
                                                      PIPE_TEXTURE_2D, 0, 0, 
PIPE_BIND_RENDER_TARGET)) {
       features |= VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BIT;
       /* SNORM blending on llvmpipe fails CTS - disable for now */
-      if (!util_format_is_snorm(pformat))
+      if (!util_format_is_snorm(pformat) && 
!util_format_is_pure_integer(pformat))
          features |= VK_FORMAT_FEATURE_2_COLOR_ATTACHMENT_BLEND_BIT;
    }
 

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