1 <html> 2 <head> 3 <script type="text/javascript"> 4 function onLoad() { 5 window.domAutomationController.reset = function() { 6 window.domAutomationController._loaded = false; 7 window.domAutomationController._succeeded = false; 8 window.domAutomationController._finished = false; 9 window.requestAnimationFrame(draw); 10 }; 11 window.domAutomationController.send("LOADED"); 12 } 13 14 function draw() { 15 // Render some WebGL into a fresh canvas to ensure the GPU process 16 // was created. 17 var canvas = document.createElement("canvas"); 18 canvas.width = 32; 19 canvas.height = 32; 20 gl = canvas.getContext("webgl"); 21 if (!gl) { 22 console.log("Failed to fetch WebGL context"); 23 window.domAutomationController.send("FAILED"); 24 return; 25 } 26 27 gl.clearColor(1, 0, 0, 1); 28 gl.clear(gl.COLOR_BUFFER_BIT); 29 var pixels = new Uint8Array(4); 30 gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixels); 31 var tolerance = 1; 32 if (Math.abs(pixels[0] - 255) > tolerance || 33 Math.abs(pixels[1] - 0) > tolerance || 34 Math.abs(pixels[2] - 0) > tolerance || 35 Math.abs(pixels[3] - 255) > tolerance) { 36 console.log("Expected (255, 0, 0, 255), got (" + 37 pixels[0] + ", " + 38 pixels[1] + ", " + 39 pixels[2] + ", " + 40 pixels[3] + ")"); 41 window.domAutomationController.send("FAILED"); 42 return; 43 } 44 45 window.domAutomationController.send("SUCCESS"); 46 } 47 </script> 48 </head> 49 <body onload="onLoad()"> 50 GPU process crash test running. 51 </body> 52 </html> 53
