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1 <html> | 1 <html> |
2 <head> | 2 <head> |
3 <script type="text/javascript"> | 3 <script type="text/javascript"> |
4 var canvas; | 4 var canvas; |
5 var w, h; | 5 var w, h; |
6 var gl; | 6 var gl; |
7 var extension; | 7 var extension; |
8 | 8 |
9 var alreadySetAutomationId = false; | 9 var alreadySetAutomationId = false; |
10 | 10 |
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52 gl.readPixels(0, 0, w, h, gl.RGBA, gl.UNSIGNED_BYTE, a); | 52 gl.readPixels(0, 0, w, h, gl.RGBA, gl.UNSIGNED_BYTE, a); |
53 | 53 |
54 if (!alreadySetAutomationId) | 54 if (!alreadySetAutomationId) |
55 window.domAutomationController.setAutomationId(1); | 55 window.domAutomationController.setAutomationId(1); |
56 if (a[0] == 0 && a[1] == 0 && a[2] == 255) | 56 if (a[0] == 0 && a[1] == 0 && a[2] == 255) |
57 window.domAutomationController.send("SUCCESS"); | 57 window.domAutomationController.send("SUCCESS"); |
58 else | 58 else |
59 window.domAutomationController.send("FAILED"); | 59 window.domAutomationController.send("FAILED"); |
60 } | 60 } |
61 | 61 |
62 function testQuantityLoss() { | |
63 var count = 0; | |
64 var iterations = 128; | |
65 | |
66 function createAndDiscardContext() { | |
67 count++; | |
68 | |
69 var c = document.createElement("canvas"); | |
70 c.width = 1; | |
71 c.height = 1; | |
72 | |
73 var ctx = c.getContext("experimental-webgl"); | |
74 if (!ctx) { | |
75 return false; | |
76 } | |
77 ctx.clear(gl.COLOR_BUFFER_BIT); | |
78 | |
79 if (count < iterations) { | |
80 window.requestAnimationFrame(createAndDiscardContext); | |
81 } else { | |
82 window.domAutomationController.setAutomationId(1); | |
83 alreadySetAutomationId = true; | |
84 window.domAutomationController.send("LOADED"); | |
85 } | |
86 }; | |
87 | |
88 createAndDiscardContext(); | |
89 } | |
90 | |
91 function contextLostTest(kind) | 62 function contextLostTest(kind) |
92 { | 63 { |
93 switch (kind) { | 64 switch (kind) { |
94 case "WEBGL_lose_context": { | 65 case "WEBGL_lose_context": { |
95 extension = gl.getExtension("WEBKIT_WEBGL_lose_context") || | 66 extension = gl.getExtension("WEBKIT_WEBGL_lose_context") || |
96 gl.getExtension("WEBGL_lose_context"); | 67 gl.getExtension("WEBGL_lose_context"); |
97 extension.loseContext(); | 68 extension.loseContext(); |
98 break; | 69 break; |
99 } | 70 } |
100 case "kill": | 71 case "kill": |
101 // nothing -- the browser test navigates to about:gpucrash and kills | 72 // nothing -- the browser test navigates to about:gpucrash and kills |
102 // the GPU process. | 73 // the GPU process. |
103 break; | 74 break; |
104 case "kill_after_notification": | 75 case "kill_after_notification": |
105 // The browser test waits for notification from the page that it | 76 // The browser test waits for notification from the page that it |
106 // has been loaded before navigating to about:gpucrash. | 77 // has been loaded before navigating to about:gpucrash. |
107 window.domAutomationController.setAutomationId(1); | 78 window.domAutomationController.setAutomationId(1); |
108 alreadySetAutomationId = true; | 79 alreadySetAutomationId = true; |
109 window.domAutomationController.send("LOADED"); | 80 window.domAutomationController.send("LOADED"); |
110 break; | 81 break; |
111 case "forced_quantity_loss": | |
112 // Test creates many new contexts, forcing the original context to be | |
113 // lost. Then a garbage collect is triggered and the original context is | |
114 // watched to ensure it restores properly. | |
115 testQuantityLoss(); | |
116 break; | |
117 } | 82 } |
118 } | 83 } |
119 | 84 |
120 function onLoad() { | 85 function onLoad() { |
121 canvas = document.getElementById("canvas1"); | 86 canvas = document.getElementById("canvas1"); |
122 w = canvas.width; | 87 w = canvas.width; |
123 h = canvas.height; | 88 h = canvas.height; |
124 if (!canvas) | 89 if (!canvas) |
125 return; | 90 return; |
126 canvas.addEventListener("webglcontextlost", testContextLost, false); | 91 canvas.addEventListener("webglcontextlost", testContextLost, false); |
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137 if (query) | 102 if (query) |
138 contextLostTest(query[1]); | 103 contextLostTest(query[1]); |
139 } | 104 } |
140 </script> | 105 </script> |
141 </head> | 106 </head> |
142 <body onload="onLoad()"> | 107 <body onload="onLoad()"> |
143 <canvas id="canvas1" width="16px" height="32px"> | 108 <canvas id="canvas1" width="16px" height="32px"> |
144 </canvas> | 109 </canvas> |
145 </body> | 110 </body> |
146 </html> | 111 </html> |
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