From: Jeff Bolz <redacted>
Date: Sun, 24 Aug 2025 08:48:21 +0000 (-0500)
Subject: vulkan: workaround MoltenVK compile failure in multi_add (llama/15506)
X-Git-Tag: v0.9.1~162
X-Git-Url: https://git.djapps.eu/?a=commitdiff_plain;h=051c0e79cb71aa1b1cb397a81c4fc9291878d37b;p=pkg%2Fggml%2Fsources%2Fggml

vulkan: workaround MoltenVK compile failure in multi_add (llama/15506)

* vulkan: workaround MoltenVK compile failure in multi_add

* Update src/ggml-vulkan/vulkan-shaders/multi_add.comp

Co-authored-by: 0cc4m <redacted>
---

diff --git a/src/ggml-vulkan/vulkan-shaders/multi_add.comp b/src/ggml-vulkan/vulkan-shaders/multi_add.comp
index f2f218b0..854a2ad8 100644
--- a/src/ggml-vulkan/vulkan-shaders/multi_add.comp
+++ b/src/ggml-vulkan/vulkan-shaders/multi_add.comp
@@ -23,8 +23,11 @@ layout (push_constant) uniform parameter2
     uint rms_partials;
 } p;
 
-layout (binding = 0) readonly buffer A {A_TYPE data_a[];} a[];
-layout (binding = 0) writeonly buffer D {D_TYPE data_d[];} d[];
+// Workaround for MoltenVK Bug, see https://github.com/ggml-org/llama.cpp/issues/15498
+// layout (binding = 0) readonly buffer A {A_TYPE data_a[];} a[];
+// layout (binding = 0) writeonly buffer D {D_TYPE data_d[];} d[];
+layout (binding = 0) buffer A {A_TYPE data_a[];} a[];
+layout (binding = 0) buffer D {D_TYPE data_d[];} d[];
 
 layout (binding = 0, std430) buffer PartialBuf {float partial_sums[];} partials[];