Added texture, assets, tools and texture loading.

src/dawnopengl/display/shader/Shader.cpp

@@ -89,6 +89,10 @@ void Shader::setTexture(
   shaderparameter_t param,
   std::shared_ptr<Texture> texture
 ) {
+  if(texture == nullptr || !texture->isReady()) {
+    this->bindTexture(param, nullptr);
+    return;
+  }
   this->bindTexture(param, texture);
 }
 

src/dawnopengl/display/shader/SimpleTexturedShader.hpp

@@ -30,7 +30,7 @@ namespace Dawn {
       }
       
       void setDefaultParameters(Material &material) override {
-        material.colorValues[this->paramColor] = COLOR_MAGENTA;
+        material.colorValues[this->paramColor] = COLOR_WHITE;
       }
 
       void setGlobalParameters(glm::mat4 proj, glm::mat4 view) override {
@@ -97,7 +97,6 @@ namespace Dawn {
         this->paramHasTexture = this->getParameterByName("u_HasTexture");
 
         this->setBoolean(this->paramHasTexture, false);
-        this->setColor(this->paramColor, COLOR_WHITE);
       }
   };
 }