mirror of
https://github.com/patriciogonzalezvivo/thebookofshaders
synced 2024-11-09 19:10:24 +00:00
26 lines
560 B
GLSL
26 lines
560 B
GLSL
// Author @patriciogv - 2015
|
|
// http://patriciogonzalezvivo.com
|
|
|
|
#ifdef GL_ES
|
|
precision mediump float;
|
|
#endif
|
|
|
|
uniform sampler2D u_tex0;
|
|
uniform vec2 u_tex0Resolution;
|
|
|
|
uniform vec2 u_resolution;
|
|
uniform vec2 u_mouse;
|
|
uniform float u_time;
|
|
|
|
void main () {
|
|
vec2 st = gl_FragCoord.xy/u_resolution.xy;
|
|
vec4 color = vec4(0.0);
|
|
|
|
// Fix the proportions by finding the aspect ration
|
|
float aspect = u_tex0Resolution.x/u_tex0Resolution.y;
|
|
// st.y *= aspect; // and then applying to it
|
|
|
|
color = texture2D(u_tex0,st);
|
|
|
|
gl_FragColor = color;
|
|
} |