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diff shaders/crt.v.glsl @ 1392:4942da159194

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Added a "subtle" CRT shader contributed by Anael Seghezzi
author Michael Pavone <pavone@retrodev.com>
date Sun, 04 Jun 2017 10:07:36 -0700
parents
children f3cca4b3f17a
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/shaders/crt.v.glsl	Sun Jun 04 10:07:36 2017 -0700
@@ -0,0 +1,13 @@
+#version 110
+
+attribute vec2 pos;
+varying vec2 texcoord;
+varying vec2 screencoord;
+uniform float width, height;
+
+void main()
+{
+	gl_Position = vec4(pos, 0.0, 1.0);
+	texcoord = sign(pos) * vec2(width/1024.0, height/-1024.0) + vec2(width/1024.0, height/1024.0);
+	screencoord = sign(pos);
+}
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