| <!DOCTYPE html> |
| <html> |
| |
| <head> |
| <title> |
| Test CPU performance of the WebGLRenderingContext.bindBuffer binding |
| </title> |
| <script src="../resources/runner.js"></script> |
| </head> |
| |
| <body> |
| <canvas id="canvas" width=400 height=400></canvas> |
| <script> |
| const canvas = document.getElementById('canvas'); |
| const gl = canvas.getContext('webgl'); |
| |
| const vertexBuffer1 = gl.createBuffer(); |
| const vertexBuffer2 = gl.createBuffer(); |
| |
| const iterations = 10000; |
| PerfTestRunner.measureInnerRAFTime({ |
| description: `CPU time for ${iterations*3} calls to WebGLRenderingContext.bindBuffer`, |
| warmUpCount: 10, |
| run() { |
| for (let i = 0; i < iterations; ++i) { |
| gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer1); |
| gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer2); |
| gl.bindBuffer(gl.ARRAY_BUFFER, null); |
| } |
| } |
| }); |
| </script> |
| </body> |
| |
| </html> |
