stereoplay: sdr/colorcode.glsl annotate

stereoplay

updated the code to work with more recent ffmpeg versions

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sat, 26 Sep 2020 14:26:39 +0300
parents
children

rev	line source
nuclear@0	1 uniform sampler2D tex;
nuclear@0	2 uniform float left_offs, right_offs;
nuclear@0	3
nuclear@0	4 void main()
nuclear@0	5 {
nuclear@0	6 vec2 tc_half = gl_TexCoord[0].st * vec2(0.5, 1.0);
nuclear@0	7 vec2 tc_left = tc_half + vec2(left_offs, 0.0);
nuclear@0	8 vec2 tc_right = tc_half + vec2(right_offs, 0.0);
nuclear@0	9
nuclear@0	10 vec3 left = texture2D(tex, tc_left).rgb;
nuclear@0	11 vec3 right = texture2D(tex, tc_right).rgb;
nuclear@0	12
nuclear@0	13 vec3 col, coeff = vec3(0.15, 0.15, 0.7);
nuclear@0	14 col.r = left.r;
nuclear@0	15 col.g = left.g;
nuclear@0	16 col.b = dot(right, coeff);
nuclear@0	17
nuclear@0	18 gl_FragColor = vec4(col, 1.0);
nuclear@0	19 }