Added a "subtle" CRT shader contributed by Anael Seghezzi

1 files changed, 13 insertions, 0 deletions

diff --git a/shaders/crt.v.glsl b/shaders/crt.v.glsl
new file mode 100644
index 0000000..162d029
--- /dev/null
+++ b/shaders/crt.v.glsl
@@ -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);
+}
\ No newline at end of file