2 files changed, 11 insertions, 2 deletions

diff --git a/src/shader_recompiler/backend/glsl/emit_glsl.cpp b/src/shader_recompiler/backend/glsl/emit_glsl.cpp
index ffdc6dbba..c5e819a0a 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl.cpp
@@ -218,8 +218,15 @@ std::string EmitGLSL(const Profile& profile, const RuntimeInfo& runtime_info, IR
     const std::string version{fmt::format("#version 450{}\n", GlslVersionSpecifier(ctx))};
     ctx.header.insert(0, version);
     if (program.shared_memory_size > 0) {
-        ctx.header +=
-            fmt::format("shared uint smem[{}];", Common::DivCeil(program.shared_memory_size, 4U));
+        const auto requested_size{program.shared_memory_size};
+        const auto max_size{profile.gl_max_compute_smem_size};
+        const bool needs_clamp{requested_size > max_size};
+        if (needs_clamp) {
+            LOG_WARNING(Shader_GLSL, "Requested shared memory size ({}) exceeds device limit ({})",
+                        requested_size, max_size);
+        }
+        const auto smem_size{needs_clamp ? max_size : requested_size};
+        ctx.header += fmt::format("shared uint smem[{}];", Common::DivCeil(smem_size, 4U));
     }
     ctx.header += "void main(){\n";
     if (program.local_memory_size > 0) {
diff --git a/src/shader_recompiler/profile.h b/src/shader_recompiler/profile.h
index 501dcaf71..f0c3b3b17 100644
--- a/src/shader_recompiler/profile.h
+++ b/src/shader_recompiler/profile.h
@@ -67,6 +67,8 @@ struct Profile {
     bool has_gl_precise_bug{};
     /// Ignores SPIR-V ordered vs unordered using GLSL semantics
     bool ignore_nan_fp_comparisons{};
+
+    u32 gl_max_compute_smem_size{};
 };
 
 } // namespace Shader