[TEST] Keep tuning the drain/ memory allocation

src/video_core/renderer_opengl/gl_buffer_cache.h

@@ -142,6 +142,10 @@ public:
         return GetDeviceMemoryUsage();
     }
 
+    bool CanReportAllocationUsage() const {
+        return device.CanReportMemoryUsage();
+    }
+
     void BindFastUniformBuffer(size_t stage, u32 binding_index, u32 size) {
         const GLuint handle = fast_uniforms[stage][binding_index].handle;
         const GLsizeiptr gl_size = static_cast<GLsizeiptr>(size);

src/video_core/renderer_opengl/gl_texture_cache.h

@@ -91,6 +91,10 @@ public:
         return GetDeviceMemoryUsage();
     }
 
+    bool CanReportAllocationUsage() const {
+        return device.CanReportMemoryUsage();
+    }
+
     bool CanReportMemoryUsage() const {
         return device.CanReportMemoryUsage();
     }