Dolphin shader handler

src/duskdolphin/display/shader/shaderdolphin.h

@@ -8,7 +8,19 @@
 #pragma once
 #include "display/texture/texture.h"
 
+typedef union shadermaterial_u shadermaterial_t;
+typedef struct shaderdolphin_s shaderdolphin_t;
+
 typedef struct {
+  errorret_t (*setMaterial)(
+    shaderdolphin_t *shader,
+    const shadermaterial_t *material
+  );
+} shaderdefinitiondolphin_t;
+
+typedef struct shaderdolphin_s {
+  shaderdefinitiondolphin_t *definition;
+
   mat4 view;
   mat4 proj;
   mat4 model;
@@ -22,10 +34,6 @@ typedef struct {
   uint_fast8_t dirtyMatrix;
 } shaderdolphin_t;
 
-typedef struct {
-  void *empty;
-} shaderdefinitiondolphin_t;
-
 #define SHADER_DOLPHIN_DIRTY_MODEL (1 << 0)
 #define SHADER_DOLPHIN_DIRTY_PROJ (1 << 1)
 #define SHADER_DOLPHIN_DIRTY_VIEW (1 << 2)