fix: align LayerUniformBuffer to 16 bytes for WebGL compat

2026-07-13 21:52:53 +02:00 · 2026-04-18 15:01:59 +02:00
parent 011f51051c
commit 794d4ae149
2 changed files with 3 additions and 1 deletions
@@ -57,6 +57,7 @@ struct LayerUniformBuffer {
    opacity: f32,
    flip_x: f32,
    flip_y: f32,
+    _padding: [f32; 2], // WebGL requires uniform buffer sizes to be multiples of 16 bytes (40 → 48)
 }

 #[repr(C)]
@@ -549,6 +550,7 @@ impl Compositor {
                        opacity: layer.opacity,
                        flip_x: if layer.transform.flip_x { 1.0 } else { 0.0 },
                        flip_y: if layer.transform.flip_y { 1.0 } else { 0.0 },
+                        _padding: [0.0; 2],
                    }),
                    usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
                });