glasm: Use ARB_derivative_control conditionally

src/video_core/renderer_opengl/gl_device.cpp

@@ -154,6 +154,7 @@ Device::Device() {
     has_precise_bug = TestPreciseBug();
     has_broken_texture_view_formats = is_amd || (!is_linux && is_intel);
     has_nv_viewport_array2 = GLAD_GL_NV_viewport_array2;
+    has_derivative_control = GLAD_GL_ARB_derivative_control;
     has_vertex_buffer_unified_memory = GLAD_GL_NV_vertex_buffer_unified_memory;
     has_debugging_tool_attached = IsDebugToolAttached(extensions);
     has_depth_buffer_float = HasExtension(extensions, "GL_NV_depth_buffer_float");

src/video_core/renderer_opengl/gl_device.h

@@ -96,6 +96,10 @@ public:
         return has_nv_viewport_array2;
     }
 
+    bool HasDerivativeControl() const {
+        return has_derivative_control;
+    }
+
     bool HasDebuggingToolAttached() const {
         return has_debugging_tool_attached;
     }
@@ -141,6 +145,7 @@ private:
     bool has_broken_texture_view_formats{};
     bool has_fast_buffer_sub_data{};
     bool has_nv_viewport_array2{};
+    bool has_derivative_control{};
     bool has_debugging_tool_attached{};
     bool use_assembly_shaders{};
     bool use_asynchronous_shaders{};

src/video_core/renderer_opengl/gl_shader_cache.cpp

@@ -274,6 +274,7 @@ ShaderCache::ShaderCache(RasterizerOpenGL& rasterizer_, Core::Frontend::EmuWindo
         .support_typeless_image_loads = device.HasImageLoadFormatted(),
         .support_demote_to_helper_invocation = false,
         .support_int64_atomics = false,
+        .support_derivative_control = device.HasDerivativeControl(),
 
         .warp_size_potentially_larger_than_guest = true,