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-rw-r--r--shaders/glsl100/posterization.fs26
1 files changed, 26 insertions, 0 deletions
diff --git a/shaders/glsl100/posterization.fs b/shaders/glsl100/posterization.fs
new file mode 100644
index 00000000..4f4c4b93
--- /dev/null
+++ b/shaders/glsl100/posterization.fs
@@ -0,0 +1,26 @@
+#version 100
+
+precision mediump float;
+
+varying vec2 fragTexCoord;
+
+uniform sampler2D texture0;
+uniform vec4 fragTintColor;
+
+// NOTE: Add here your custom variables
+
+float gamma = 0.6;
+float numColors = 8.0;
+
+void main()
+{
+ vec3 color = texture2D(texture0, fragTexCoord.xy).rgb;
+
+ color = pow(color, vec3(gamma, gamma, gamma));
+ color = color*numColors;
+ color = floor(color);
+ color = color/numColors;
+ color = pow(color, vec3(1.0/gamma));
+
+ gl_FragColor = vec4(color, 1.0);
+} \ No newline at end of file