Updated Shaders for Deferred Shading

Former-commit-id: ab97c6e7b74bffad32d334a2d0e5bd4607047c03

src/Nazara/Graphics/Resources/DeferredShading/Shaders/DirectionalLight.frag

@@ -74,8 +74,6 @@ void main()
 
 	lightSpecular *= specularColor;
 
-	vec3 lightColor = (lightAmbient + lightDiffuse + lightSpecular);
-	vec4 fragmentColor = vec4(lightColor * diffuseColor, 1.0);
-
-	RenderTarget0 = fragmentColor;
-};
+	vec3 fragmentColor = diffuseColor * (lightAmbient + lightDiffuse + lightSpecular);
+	RenderTarget0 = vec4(fragmentColor, 1.0);
+}

src/Nazara/Graphics/Resources/DeferredShading/Shaders/PointLight.frag

@@ -77,8 +77,6 @@ void main()
 
 	lightSpecular *= specularColor;
 
-	vec3 lightColor = (lightAmbient + lightDiffuse + lightSpecular);
-	vec4 fragmentColor = vec4(lightColor * diffuseColor, 1.0);
-
-	RenderTarget0 = fragmentColor;
-};
+	vec3 fragmentColor = diffuseColor * (lightAmbient + lightDiffuse + lightSpecular);
+	RenderTarget0 = vec4(fragmentColor, 1.0);
+}

src/Nazara/Graphics/Resources/DeferredShading/Shaders/SpotLight.frag

@@ -83,8 +83,6 @@ void main()
 
 	lightSpecular *= specularColor;
 
-	vec3 lightColor = (lightAmbient + lightDiffuse + lightSpecular);
-	vec4 fragmentColor = vec4(lightColor * diffuseColor, 1.0);
-
-	RenderTarget0 = fragmentColor;
+	vec3 fragmentColor = diffuseColor * (lightAmbient + lightDiffuse + lightSpecular);
+	RenderTarget0 = vec4(fragmentColor, 1.0);
 }