https://git.spwbk.site/swatson/rs-rl/raw/master/resources/backing.fs
___________________________________
#version 330 core
out vec4 FragColor;
in vec2 TexCoords;
uniform sampler2D screenTexture;
void main()
{
vec3 col = texture(screenTexture, TexCoords).rgb;
FragColor = vec4(col, 1.0);
}
