add display state

src/duskdolphin/display/displaydolphin.c

@@ -75,10 +75,6 @@ errorret_t displayInitDolphin(void) {
     )
   );
 
-  // Setup cull modes
-  GX_SetCullMode(GX_CULL_NONE);
-  GX_SetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_CLEAR);
-  GX_SetZMode(GX_TRUE, GX_ALWAYS, GX_FALSE);
   GX_SetDispCopyGamma(GX_GM_1_0);
   GX_SetColorUpdate(GX_TRUE);
 
@@ -103,12 +99,36 @@ errorret_t displayUpdateDolphin(void) {
   errorOk();
 }
 
+errorret_t displaySetStateDolphin(displaystate_t state) {
+  if(state.flags & DISPLAY_STATE_FLAG_CULL) {
+    GX_SetCullMode(GX_CULL_BACK);
+  } else {
+    GX_SetCullMode(GX_CULL_NONE);
+  }
+
+  if(state.flags & DISPLAY_STATE_FLAG_DEPTH_TEST) {
+    GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
+  } else {
+    GX_SetZMode(GX_FALSE, GX_ALWAYS, GX_FALSE);
+  }
+
+  if(state.flags & DISPLAY_STATE_FLAG_BLEND) {
+    GX_SetBlendMode(
+      GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_CLEAR
+    );
+  } else {
+    GX_SetBlendMode(
+      GX_BM_NONE, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_CLEAR
+    );
+  }
+
+  errorOk();
+}
+
 errorret_t displaySwapDolphin(void) {
   GX_DrawDone();
 
   DISPLAY.whichFrameBuffer ^= 1;
-  // GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
-  // GX_SetColorUpdate(GX_TRUE);
   GX_CopyDisp(DISPLAY.frameBuffer[DISPLAY.whichFrameBuffer], GX_TRUE);
   VIDEO_SetNextFramebuffer(DISPLAY.frameBuffer[DISPLAY.whichFrameBuffer]);
   VIDEO_Flush();

src/duskdolphin/display/displaydolphin.h

@@ -7,6 +7,7 @@
 
 #pragma once
 #include "error/error.h"
+#include "display/displaystate.h"
 
 #define	DISPLAY_DOLPHIN_FIFO_SIZE (256*1024)
 
@@ -30,4 +31,9 @@ errorret_t displayUpdateDolphin(void);
 /**
  * Swaps the display buffers on Dolphin.
  */
-errorret_t displaySwapDolphin(void);
+errorret_t displaySwapDolphin(void);
+
+/**
+ * Sets the display state on Dolphin.
+ */
+errorret_t displaySetStateDolphin(displaystate_t state);

src/duskdolphin/display/displayplatform.h

@@ -11,5 +11,6 @@
 #define displayPlatformInit displayInitDolphin
 #define displayPlatformUpdate displayUpdateDolphin
 #define displayPlatformSwap displaySwapDolphin
+#define displayPlatformSetState displaySetStateDolphin
 
 typedef displaydolphin_t displayplatform_t;