demotool/copy.glsl

13 lines
273 B
GLSL

#version 450 core
layout( location = 0 ) uniform sampler2D u_InputTexture;
layout( location = 0 ) out vec4 color;
void main( void )
{
vec2 tmp = gl_FragCoord.xy / vec2( 1280. , 720. );
color = textureLod( u_InputTexture , tmp , 0 );
//color.xy *= .75 + tmp * .25;
}