Shader material ECS example

src/duskgl/display/shader/shadergl.h

@@ -10,6 +10,7 @@
 #include "display/texture/texture.h"
 
 typedef struct shadergl_s shadergl_t;
+typedef union shadermaterial_u shadermaterial_t;
 
 typedef errorret_t (*shadersettexturefn_t)(
   shadergl_t *,
@@ -17,7 +18,22 @@ typedef errorret_t (*shadersettexturefn_t)(
   texture_t *
 );
 
+typedef struct {
+  errorret_t (*setMaterial)(shadergl_t *, const shadermaterial_t *);
+  
+  #ifdef DUSK_OPENGL_LEGACY
+  void *nothing;
+  #else
+    errorret_t (*setTexture)(shadergl_t *, const char_t *, texture_t *);
+
+    const char_t *vert;
+    const char_t *frag;
+  #endif
+} shaderdefinitiongl_t;
+
 typedef struct shadergl_s {
+  const shaderdefinitiongl_t *definition;
+
   #ifdef DUSK_OPENGL_LEGACY
     mat4 view;
     mat4 proj;
@@ -26,21 +42,9 @@ typedef struct shadergl_s {
     GLuint shaderProgramId;
     GLuint vertexShaderId;
     GLuint fragmentShaderId;
-    shadersettexturefn_t setTexture;
   #endif
 } shadergl_t;
 
-
-typedef struct {
-  #ifdef DUSK_OPENGL_LEGACY
-    void *nothing;
-  #else
-    const char_t *vert;
-    const char_t *frag;
-    shadersettexturefn_t setTexture;
-  #endif
-} shaderdefinitiongl_t;
-
 #if DUSK_OPENGL_LEGACY
   typedef struct {
     shadergl_t *boundShader;
@@ -121,11 +125,11 @@ errorret_t shaderSetTextureGL(
  * @param color The color data to set.
  * @return An errorret_t indicating success or failure.
  */
-// errorret_t shaderSetColorGL(
-//   shadergl_t *shader,
-//   const char_t *name,
-//   color_t color
-// );
+errorret_t shaderSetColorGL(
+  shadergl_t *shader,
+  const char_t *name,
+  color_t color
+);
 
 /**
  * Disposes of a shader, freeing any associated resources.