e1e2407091
# Objective
The `post_processing` example is currently broken when run with webgl2.
```
cargo run --example post_processing --target=wasm32-unknown-unknown
```
```
wasm.js:387 panicked at 'wgpu error: Validation Error
Caused by:
In Device::create_render_pipeline
note: label = `post_process_pipeline`
In the provided shader, the type given for group 0 binding 2 has a size of 4. As the device does not support `DownlevelFlags::BUFFER_BINDINGS_NOT_16_BYTE_ALIGNED`, the type must have a size that is a multiple of 16 bytes.
```
I bisected the breakage to
|
||
|---|---|---|
| .. | ||
| animate_shader.rs | ||
| array_texture.rs | ||
| compute_shader_game_of_life.rs | ||
| custom_vertex_attribute.rs | ||
| fallback_image.rs | ||
| post_processing.rs | ||
| shader_defs.rs | ||
| shader_instancing.rs | ||
| shader_material_glsl.rs | ||
| shader_material_screenspace_texture.rs | ||
| shader_material.rs | ||
| shader_prepass.rs | ||
| texture_binding_array.rs | ||