| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>OffscreenCanvas WebGPU rgba16float premultiplied alpha composites transparently</title> | |
| <style> | |
| body { margin: 0; } | |
| #backdrop { | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| width: 200px; | |
| height: 200px; | |
| background: rgb(0, 128, 0); | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <!-- A transparent rgba16float canvas over the backdrop must render identically | |
| to the backdrop alone. --> | |
| <div id="backdrop"></div> | |
| </body> | |
| </html> |