GNU bug report logs - #64528
[PATCH] gnu: mesa: Fix Vulkan on older Intel GPUs.

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Message #11 received at 64528 <at> debbugs.gnu.org (full text, mbox):

From: Lilah Tascheter <lilah <at> lunabee.space>
To: 64528 <at> debbugs.gnu.org
Cc: Lilah Tascheter <lilah <at> lunabee.space>, liliana.prikler <at> gmail.com,
 iyzsong <at> envs.net
Subject: [PATCH v2] gnu: mesa: Fix Vulkan on older Intel GPUs.
Date: Sat,  8 Jul 2023 13:29:28 -0500

Mesa split the Vulkan intel driver into two: intel and intel_hasvk.
Enables intel_hasvk so vulkan functions on older intel GPUs again, and
swrast for lavapipe as a fallback.

* gnu/packages/gl.scm (mesa-vulkan-hasvk): New variable.
  (mesa): Graft with mesa-vulkan-hasvk.
---
 gnu/packages/gl.scm | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/gnu/packages/gl.scm b/gnu/packages/gl.scm
index 9885bde712..1691086e1a 100644
--- a/gnu/packages/gl.scm
+++ b/gnu/packages/gl.scm
@@ -279,6 +279,7 @@ (define-public mesa
          (base32
           "1mcjf41x2bhxs6yxars7nh2vfryfw50g6rvbcfbb1wqdv2jn4qrq"))))
     (build-system meson-build-system)
+    (replacement mesa-vulkan-hasvk)
     (propagated-inputs
      ;; The following are in the Requires.private field of gl.pc.
      (list libdrm
@@ -526,6 +527,21 @@ (define-public mesa
 from software emulation to complete hardware acceleration for modern GPUs.")
     (license license:x11)))
 
+(define mesa-vulkan-hasvk
+  (let ((graft mesa)
+        (vulk "-Dvulkan-drivers=intel,amd"))
+    (package
+      (inherit graft)
+      (arguments
+        (substitute-keyword-arguments (package-arguments graft)
+          ((#:configure-flags flags)
+           #~(begin
+               (use-modules (ice-9 match))
+               (map (match-lambda
+                      (#$vulk (string-append #$vulk ",intel_hasvk,swrast"))
+                      (x x))
+                 #$flags))))))))
+
 (define-public mesa-opencl
   (package/inherit mesa
     (name "mesa-opencl")

base-commit: 3db685cb2e2ce2a4b29c62d28a66201b2eba018f
-- 
2.40.1

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