Re-implement RGBA textures

src/duskdolphin/display/texture/texturedolphin.h

@@ -13,6 +13,8 @@ typedef union texturedata_u texturedata_t;
 typedef enum {
   TEXTURE_FORMAT_RGBA = GX_TF_RGBA8,
   TEXTURE_FORMAT_PALETTE = GX_TF_CI8,
+  TEXTURE_FORMAT_RGB4A3 = GX_TF_RGB5A3,
+  TEXTURE_FORMAT_RGB5 = GX_TF_RGB565,
 } textureformatdolphin_t;
 
 typedef struct {
@@ -20,6 +22,11 @@ typedef struct {
   textureformatdolphin_t format;
   int32_t width;
   int32_t height;
+  
+  union {
+    uint8_t *rgba;
+    // u16 *rgba;
+  };
 } texturedolphin_t;
 
 /**
@@ -54,10 +61,4 @@ errorret_t textureBindDolphin(texturedolphin_t *texture);
  * @param texture The texture to dispose.
  * @return An error if the texture failed to dispose, otherwise success.
  */
-errorret_t textureDisposeDolphin(texturedolphin_t *texture);
-
-/**
- * Internal method that uploads the texture environment variables to the GPU
- * for rendering. This is basically uploading the shader information.
- */
-void textureDolphinUploadTEV(void);
+errorret_t textureDisposeDolphin(texturedolphin_t *texture);