#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);+
−
}+
−