Ye retro colors

1 files changed, 26 insertions, 0 deletions

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);
+}