Restructuring the project directory

data/shaders/postprocessing.frag

@@ -0,0 +1,27 @@
+#version 330 core
+
+const float GAMMA = 2.2f;
+
+layout(location = 0) out vec4 f_color;
+
+in vec2 v_tex_coords;
+
+uniform float u_exposure;
+uniform bool u_exposureCorrection;
+
+uniform sampler2D u_texture;
+
+void main() {
+
+    vec3 fragmentColor = vec3(texture2D(u_texture, v_tex_coords));
+
+    // Exposure tone mapping
+    if(u_exposureCorrection)
+        fragmentColor = vec3(1.0) - exp(-fragmentColor * u_exposure);
+
+    // Gamma correction
+    fragmentColor = pow(fragmentColor, vec3(1.0/GAMMA));
+
+    f_color = vec4(fragmentColor, 1.0f);
+
+}