Fixed dolphin rendering.

src/duskdolphin/display/displaydolphin.c

@@ -78,6 +78,12 @@ errorret_t displayInitDolphin(void) {
   GX_SetDispCopyGamma(GX_GM_1_0);
   GX_SetColorUpdate(GX_TRUE);
 
+  // Without this, the EFB's Z-buffer format/compression is left at whatever
+  // GX_Init() defaulted to, so depth testing and the GX_MAX_Z24 clear value
+  // used every frame in frameBufferClearDolphin aren't guaranteed to line up
+  // with the actual EFB Z format.
+  GX_SetPixelFmt(GX_PF_RGB8_Z24, GX_ZC_LINEAR);
+
   // Describe mesh vertex format.
   GX_ClearVtxDesc();
   GX_SetVtxDesc(GX_VA_POS,  GX_INDEX16);
@@ -101,7 +107,7 @@ errorret_t displaySetStateDolphin(displaystate_t state) {
   }
 
   if(state.flags & DISPLAY_STATE_FLAG_DEPTH_TEST) {
-    GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
+    GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_FALSE);
   } else {
     GX_SetZMode(GX_FALSE, GX_ALWAYS, GX_FALSE);
   }