init

assets/shaders/fullscreen.vert

@@ -0,0 +1,8 @@
+#version 450 core
+// Fullscreen triangle from gl_VertexID; draw with 3 vertices, no buffers.
+out vec2 vUV;
+void main() {
+    vec2 p = vec2(float((gl_VertexID << 1) & 2), float(gl_VertexID & 2));
+    vUV = p;
+    gl_Position = vec4(p * 2.0 - 1.0, 0.0, 1.0);
+}