nv2a: Ignore unsupported depth funcs to match HW

abaire · mborgerson · commit 9732026aca24 · 2025-06-03T12:11:46.000-07:00
diff --git a/hw/xbox/nv2a/pgraph/pgraph.c b/hw/xbox/nv2a/pgraph/pgraph.c
@@ -1411,8 +1411,10 @@ DEF_METHOD(NV097, SET_BLEND_EQUATION)
 
 DEF_METHOD(NV097, SET_DEPTH_FUNC)
 {
-    PG_SET_MASK(NV_PGRAPH_CONTROL_0, NV_PGRAPH_CONTROL_0_ZFUNC,
-             parameter & 0xF);
+    if (parameter >= 0x200 && parameter <= 0x207) {
+        PG_SET_MASK(NV_PGRAPH_CONTROL_0, NV_PGRAPH_CONTROL_0_ZFUNC,
+                    parameter & 0xF);
+    }
 }
 
 DEF_METHOD(NV097, SET_COLOR_MASK)

Original file line number	Diff line number	Diff line change
`@@ -1411,8 +1411,10 @@ DEF_METHOD(NV097, SET_BLEND_EQUATION)`
`1411`	`1411`
`1412`	`1412`	`DEF_METHOD(NV097, SET_DEPTH_FUNC)`
`1413`	`1413`	`{`
`1414`		`- PG_SET_MASK(NV_PGRAPH_CONTROL_0, NV_PGRAPH_CONTROL_0_ZFUNC,`
`1415`		`- parameter & 0xF);`
	`1414`	`+ if (parameter >= 0x200 && parameter <= 0x207) {`
	`1415`	`+ PG_SET_MASK(NV_PGRAPH_CONTROL_0, NV_PGRAPH_CONTROL_0_ZFUNC,`
	`1416`	`+ parameter & 0xF);`
	`1417`	`+ }`
`1416`	`1418`	`}`
`1417`	`1419`
`1418`	`1420`	`DEF_METHOD(NV097, SET_COLOR_MASK)`