1 files changed, 7 insertions, 0 deletions

diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp
index 8eea6344f..b3a3e5647 100644
--- a/src/shader_recompiler/backend/glsl/emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_context.cpp
@@ -12,6 +12,7 @@ EmitContext::EmitContext(IR::Program& program, [[maybe_unused]] Bindings& bindin
                          const Profile& profile_)
     : info{program.info}, profile{profile_} {
     std::string header = "#version 450\n";
+    SetupExtensions(header);
     if (program.stage == Stage::Compute) {
         header += fmt::format("layout(local_size_x={},local_size_y={},local_size_z={}) in;\n",
                               program.workgroup_size[0], program.workgroup_size[1],
@@ -23,6 +24,12 @@ EmitContext::EmitContext(IR::Program& program, [[maybe_unused]] Bindings& bindin
     code += "void main(){\n";
 }
 
+void EmitContext::SetupExtensions(std::string& header) {
+    if (info.uses_int64) {
+        header += "#extension GL_ARB_gpu_shader_int64 : enable\n";
+    }
+}
+
 void EmitContext::DefineConstantBuffers() {
     if (info.constant_buffer_descriptors.empty()) {
         return;