From 172eb56fee0b6bde698e72be2bca55a90fe81ce9 Mon Sep 17 00:00:00 2001 From: Gabriel Schneider Date: Wed, 8 Jul 2026 12:25:04 -0300 Subject: steam deck nice version --- shaders/crt.vert.glsl | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 shaders/crt.vert.glsl (limited to 'shaders/crt.vert.glsl') diff --git a/shaders/crt.vert.glsl b/shaders/crt.vert.glsl new file mode 100644 index 00000000..4e15fcdf --- /dev/null +++ b/shaders/crt.vert.glsl @@ -0,0 +1,9 @@ +#version 450 + +// CRT post-process pass: one fullscreen triangle from gl_VertexIndex, no +// vertex buffer. The fragment shader derives uv from gl_FragCoord. + +void main() { + vec2 p = vec2(float((gl_VertexIndex << 1) & 2), float(gl_VertexIndex & 2)); + gl_Position = vec4(p * 2.0 - 1.0, 0.0, 1.0); +} -- cgit v1.3