Add ForceEnableGPUReadback compat

To solve gpu readback issue

GPU/Common/FramebufferManagerCommon.cpp

@@ -1066,6 +1066,9 @@ void FramebufferManagerCommon::DownloadFramebufferOnSwitch(VirtualFramebuffer *v
 }
 
 bool FramebufferManagerCommon::ShouldDownloadFramebufferColor(const VirtualFramebuffer *vfb) {
+	if (PSP_CoreParameter().compat.flags().ForceEnableGPUReadback) {
+		return true;
+	}
 	// Dangan Ronpa hack
 	return PSP_CoreParameter().compat.flags().Force04154000Download && vfb->fb_address == 0x04154000;
 }

assets/compat.ini

@@ -175,6 +175,28 @@ ULAS42318 = true
 NPUH90087 = true  # demo
 NPEH90042 = true  # demo
 
+[ForceEnableGPUReadback]
+# The Sims 2 games require downloading the framebuffer after rendering 3D character portraits for GPU readback. issue #21867
+
+# The Sims 2
+ULUS10031 = true
+ULES00211 = true
+ULKS46045 = true
+ULES00211/P = true
+ULES00211 = true
+
+# The Sims 2: Pets
+ULAS42085 = true
+ULES00595 = true
+ULES00596 = true
+ULUS10130 = true
+ULKS46117 = true
+ULJM05212 = true
+
+# The Sims 2: Castaway # issue 16938
+ULES00945 = true
+ULUS10296 = true
+
 [Force04154000Download]
 # This applies a hack to Dangan Ronpa, its demo, and its sequel, Super Dangan Ronpa 2.
 # The game draws solid colors to a small framebuffer, and then reads this directly in VRAM.