--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/shaders/default.frag	Sat Dec 02 23:11:56 2023 +0100
@@ -0,0 +1,17 @@
+#version 330 core
+
+uniform  sampler2D  uTexture;
+in       vec2       vTextureXY;
+out      vec3       fColor;
+
+vec3 grayscale(vec3 original) {
+	const vec3 luminanceWeighting = vec3(0.2125, 0.7154, 0.0721);
+	float luminance = dot(original, luminanceWeighting);
+	return vec3(luminance);
+}
+
+void main(){
+	fColor = texture(uTexture, vTextureXY).rgb;
+	// fColor = grayscale(fColor);
+	// fColor *= vec3(0.8, 1., 0.2);
+}