2 files changed, 26 insertions, 24 deletions
diff --git a/assets/shaders/glsl330/color-depth.fs b/assets/shaders/glsl330/color-depth.fs
deleted file mode 100644
index c011df5..0000000
--- a/assets/shaders/glsl330/color-depth.fs
+++ /dev/null
@@ -1,24 +0,0 @@
-#version 330
-
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-out vec4 finalColor;
-
-const int factor = 30; // x/255
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord)*colDiffuse*fragColor;
-
-    ivec4 color = ivec4(texelColor / factor * 255);
-    color *= factor;
-
-    // Calculate final fragment color
-    finalColor = vec4(float(color.r) / 255, float(color.g) / 255,
-                      float(color.b) / 255, texelColor.a);
-}
-\ No newline at end of file
diff --git a/assets/shaders/glsl330/postprocessing.fs b/assets/shaders/glsl330/postprocessing.fs
new file mode 100644
index 0000000..a2dcb17
--- /dev/null
+++ b/assets/shaders/glsl330/postprocessing.fs
@@ -0,0 +1,26 @@
+#version 330
+
+in vec2 fragTexCoord;
+in vec4 fragColor;
+
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+out vec4 finalColor;
+
+float gamma = 0.6;
+float numColors = 11.0;
+
+void main()
+{
+    // Texel color fetching from texture sampler
+    vec3 texelColor = texture(texture0, fragTexCoord.xy).rgb;
+
+    texelColor = pow(texelColor, vec3(gamma, gamma, gamma));
+    texelColor = texelColor*numColors;
+    texelColor = floor(texelColor);
+    texelColor = texelColor/numColors;
+    texelColor = pow(texelColor, vec3(1.0/gamma));
+
+    finalColor = vec4(texelColor, 1.0);
+}