tests: Add a reproducer for gitlab issue 15029

llandwerlin-intel · llandwerlin-intel · commit 1b6b04dfb0c4 · 2026-03-09T17:10:42.000+02:00
Signed-off-by: Lionel Landwerlin &lt;lionel.g.landwerlin@intel.com&gt;
Reviewed-by: Tapani Pälli &lt;tapani.palli@intel.com&gt;
diff --git a/src/tests/bug/gitlab-15029.c b/src/tests/bug/gitlab-15029.c
@@ -0,0 +1,68 @@
+// Copyright 2026 Intel Corporation
+// SPDX-License-Identifier: MIT
+
+#include <math.h>
+#include "util/simple_pipeline.h"
+#include "tapi/t.h"
+
+#include "src/tests/bug/gitlab-15029-spirv.h"
+
+// \file
+// Reproduce an Intel anv bug from mesa#15029.
+//
+// The problem is a missing base offset indexing in pulling push
+// constant data.
+
+#define ARRAY_SIZE(x)  (sizeof(x) / sizeof(x[0]))
+
+static void
+test(void)
+{
+    VkShaderModule cs = qoCreateShaderModuleGLSL(t_device, COMPUTE,
+        QO_TARGET_ENV spirv1.4
+        layout(push_constant, std430) uniform Push {
+            uint pad[8];
+            uint input_vals[8];
+        } push;
+        layout(binding = 0, std430) buffer block2 {
+            uint output_val;
+        } ssbo;
+
+        layout (local_size_x = 1) in;
+        void main()
+        {
+            uint sum = 0;
+            for (uint i = 0; i < 8; i++)
+                sum += push.input_vals[i];
+            ssbo.output_val = sum;
+        }
+    );
+
+    uint32_t push[16];
+    uint32_t result = 0;
+
+    uint32_t sum = 0;
+    for (uint32_t i = 0; i < ARRAY_SIZE(push); i++) {
+      push[i] = i;
+      sum += i >= 8 ? i : 0;
+    }
+
+    simple_compute_pipeline_options_t opts = {
+        .push_constants = push,
+        .push_constants_size = sizeof(push),
+        .storage = &result,
+        .storage_size = sizeof(result),
+    };
+
+    run_simple_compute_pipeline(cs, &opts);
+
+    t_assert(result == sum);
+
+    t_pass();
+}
+
+test_define {
+    .name = "bug.gitlab-15029",
+    .start = test,
+    .no_image = true,
+};
diff --git a/src/tests/meson.build b/src/tests/meson.build
@@ -63,6 +63,7 @@ test_sources_with_spirv = [
   'bug/gitlab-12927.c',
   'bug/gitlab-13149.c',
   'bug/gitlab-14054.c',
+  'bug/gitlab-15029.c',
   'func/4-vertex-buffers.c',
   'func/depthstencil/basic.c',
   'func/depthstencil/arrayed-clear.c',
