dungeon_crawler: prototype/sdr/deferred

dungeon_crawler

lalala

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sun, 26 Aug 2012 03:39:32 +0300
parents
children	938a6a155c94

rev	line source
nuclear@29	1 uniform sampler2D mrt0, mrt1, mrt2, mrt3;
nuclear@29	2 uniform vec2 tex_scale;
nuclear@29	3
nuclear@29	4 void main()
nuclear@29	5 {
nuclear@29	6 vec2 tc = gl_TexCoord[0].st;
nuclear@29	7
nuclear@29	8 vec4 texel;
nuclear@29	9 if(tc.x < 0.25) {
nuclear@29	10 texel = texture2D(mrt0, tc * vec2(4.0, 1.0) * tex_scale);
nuclear@29	11 } else if(tc.x < 0.5) {
nuclear@29	12 texel = texture2D(mrt1, (tc - vec2(0.25, 0.0)) * vec2(4.0, 1.0) * tex_scale);
nuclear@29	13 } else if(tc.x < 0.75) {
nuclear@29	14 texel = texture2D(mrt2, (tc - vec2(0.5, 0.0)) * vec2(4.0, 1.0) * tex_scale);
nuclear@29	15 } else {
nuclear@29	16 texel = texture2D(mrt3, (tc - vec2(0.75, 0.0)) * vec2(4.0, 1.0) * tex_scale);
nuclear@29	17 }
nuclear@29	18
nuclear@29	19 gl_FragColor = texel;
nuclear@29	20 }