Stuff I've fixed so far.

src/dawnopengl/display/shader/SimpleTexturedShader.hpp

@@ -6,6 +6,7 @@
 #pragma once
 #include "display/shader/Shader.hpp"
 #include "SimpleTexturedShaderProgram.hpp"
+#include "scene/components/display/material/SimpleTexturedMaterial.hpp"
 
 namespace Dawn {
   class SimpleTexturedShader : public Shader {
@@ -13,21 +14,14 @@ namespace Dawn {
       SimpleTexturedShaderProgram program;
 
     public:
-      void compile() override {
-        this->program.compile();
-      }
+      void compile() override;
 
       std::vector<struct ShaderPass> getItemPasses(
-        MeshRenderer *mesh,
-        Material *material
-      ) override {
-        return std::vector<struct ShaderPass>();
-      }
+        MeshRenderer *mesh, Material *material
+      ) override;
 
       void setGlobalParameters(
-        glm::mat4 cameraProjection,
-        glm::mat4 cameraView
-      ) override {
-      }
+        glm::mat4 cameraProjection, glm::mat4 cameraView
+      ) override;
   };
 }