1 files changed, 10 insertions, 0 deletions
diff --git a/themes/src/_shaders/sky.vert b/themes/src/_shaders/sky.vert
new file mode 100644
index 0000000..249603c
--- /dev/null
+++ b/themes/src/_shaders/sky.vert
@@ -0,0 +1,10 @@
+precision highp float;
+
+attribute vec2 position;   // fullscreen quad, clip-space corners in [-1, 1]
+
+varying vec2 vUv;
+
+void main() {
+    vUv = position * 0.5 + 0.5;          // uv.y = 0 bottom, 1 top
+    gl_Position = vec4(position, 0.0, 1.0);
+}