| <!DOCTYPE html><!-- webkit-test-runner [ UseGPUProcessForWebGLEnabled=true runSingly=true ] --> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebKit test for creating WebGL context when the context is lost during initialization</title> |
| <link rel="stylesheet" href="resources/webgl_test_files/resources/js-test-style.css"/> |
| <script src="resources/webgl_test_files/js/js-test-pre.js"></script> |
| <script src="resources/webgl_test_files/js/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <canvas id="canvasWorks"></canvas> |
| <script> |
| "use strict"; |
| description("This test tests that WebGL context creation can lose context and it doesn't crash."); |
| // At the time of writing, the GPU process would crash if remote process would time out during |
| // context creation would fail. |
| |
| debug(""); |
| var glWorks; |
| var canvasFails; |
| var glFails; |
| |
| var subtests = []; |
| for (let contextType of ["webgl", "webgl2"]) { |
| for (let failType of ["IPCBufferOOM", "CreationTimeout"]) |
| subtests.push({contextType, failType}); |
| } |
| |
| async function runTest() { |
| glWorks = canvasWorks.getContext("webgl2"); |
| shouldBeNonNull("glWorks"); |
| shouldBeGreaterThanOrEqual("glWorks.getParameter(glWorks.MAX_COMBINED_TEXTURE_IMAGE_UNITS)", "8"); |
| shouldBeTrue('"failContextCreationForTesting" in glWorks.getContextAttributes()'); // Expects support for "DOM Testing APIs Enabled internal setting" |
| canvasWorks.addEventListener('webglcontextcreationerror', () => { |
| testFailed("Received context creation error for glWorks"); |
| }, false); |
| canvasWorks.addEventListener('webglcontextlost', () => { |
| testFailed("Received context lost error for glWorks"); |
| }, false); |
| |
| for (let subtest of subtests) { |
| debug(`Subtest contextType: ${subtest.contextType}, failType: ${subtest.failType}`); |
| canvasFails = document.createElement("canvas"); |
| await testBody(subtest); |
| } |
| |
| shouldBe("glWorks.NO_ERROR", "glWorks.getError()" ); |
| finishTest(); |
| } |
| |
| function testBody(subtest) { |
| return new Promise((resolve, reject) => { |
| let timeout; |
| canvasFails.addEventListener('webglcontextcreationerror', () => { |
| testPassed("Received context creation error for canvasFails"); |
| if (timeout) |
| clearTimeout(timeout); |
| resolve(); |
| }, false); |
| canvasFails.addEventListener('webglcontextlost', () => { |
| testPassed("Received context lost error for canvasFails"); |
| clearTimeout(timeout); |
| resolve(); |
| }, false); |
| glFails = canvasFails.getContext(subtest.contextType, {failContextCreationForTesting: subtest.failType}); |
| if (!glFails) { |
| testPassed("Failed to create context glFails"); |
| resolve(); |
| return; |
| } |
| timeout = setTimeout(() => { |
| testFailed("Timeout while waiting for canvas creation error."); |
| resolve(); |
| }, 2000); |
| shouldBe("glFails.getParameter(glFails.MAX_COMBINED_TEXTURE_IMAGE_UNITS)", "null"); |
| canvasFails.width = 700; |
| }); |
| } |
| window.onload = runTest; |
| |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
