[vk, opengl] defer checks to topmost call (avoid unnecessary call) (#40)

Co-authored-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/40
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/video_core/gpu.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -244,7 +247,7 @@ public:
     void InvalidateRegion(DAddr addr, u64 size);
 
     /// Notify rasterizer that CPU is trying to write this area. It returns true if the area is
-    /// sensible, false otherwise
+    /// sensible, false otherwise, addr and size must be a valid combination
     bool OnCPUWrite(DAddr addr, u64 size);
 
     /// Notify rasterizer that any caches of the specified region should be flushed and invalidated