Add new fragment shader

Author: Williano

Hello_Triangle/2.2.2.background.fs

@@ -0,0 +1,16 @@
+#version 330 core
+out vec4 FragColor;
+in vec3 WorldPos;
+
+uniform samplerCube environmentMap;
+
+void main()
+{
+ vec3 envColor = textureLod(environmentMap, WorldPos, 0.0).rgb;
+ 
+ // HDR tonemap and gamma correct
+ envColor = envColor / (envColor + vec3(1.0));
+ envColor = pow(envColor, vec3(1.0/2.2)); 
+ 
+ FragColor = vec4(envColor, 1.0);
+}