Re-implement RGBA textures

src/duskdolphin/display/shader/shaderdolphin.h

@@ -6,7 +6,7 @@
  */
 
 #pragma once
-#include "error/error.h"
+#include "display/texture/texture.h"
 
 typedef struct {
   mat4 view;
@@ -66,6 +66,20 @@ errorret_t shaderSetMatrixDolphin(
   mat4 matrix
 );
 
+/**
+ * Sets a texture uniform in the dolphin shader. Basically does nothing.
+ * 
+ * @param shader Shader to set the texture in.
+ * @param name Name of the uniform to set.
+ * @param texture Texture to set.
+ * @return Error code if failure.
+ */
+errorret_t shaderSetTextureDolphin(
+  shaderdolphin_t *shader,
+  const char_t *name,
+  texture_t *texture
+);
+
 /**
  * Disposes a dolphin shader. Basically does nothing.
  *