mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
131 lines
3.3 KiB
HTML
131 lines
3.3 KiB
HTML
<html>
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<head>
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<link rel="stylesheet" href="../resources/js-test-style.css"/>
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<script src="../resources/js-test-pre.js"></script>
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<script src="resources/webgl-test.js"></script>
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<script src="resources/webgl-test-utils.js"></script>
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<script>
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var wtu = WebGLTestUtils;
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var canvas;
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var gl;
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var shouldGenerateGLError;
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var extension_name = "WEBKIT_lose_context";
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var extension;
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var bufferObjects;
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var program;
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var texture;
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var texColor = [255, 10, 20, 255];
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function init()
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{
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if (window.initNonKhronosFramework) {
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window.initNonKhronosFramework(true);
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}
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description("Tests behavior under a restored context");
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canvas = document.getElementById("canvas");
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canvas.addEventListener("webglcontextlost", testLostContext, false);
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canvas.addEventListener("webglcontextrestored", testRestoredContext, false);
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gl = wtu.create3DContext(canvas);
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shouldGenerateGLError = wtu.shouldGenerateGLError;
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extension = gl.getExtension(extension_name);
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if (!extension) {
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debug(extension_name + " extension not found.");
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finish();
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return;
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}
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testOriginalContext();
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extension.loseContext();
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}
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function testRendering()
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{
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gl.clearColor(0, 0, 0, 255);
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gl.colorMask(1, 1, 1, 0);
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gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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program = wtu.setupSimpleTextureProgram(gl);
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bufferObjects = wtu.setupUnitQuad(gl);
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texture = wtu.createColoredTexture(gl, canvas.width, canvas.height, texColor);
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gl.uniform1i(gl.getUniformLocation(program, "tex"), 0);
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wtu.drawQuad(gl, [0, 0, 0, 255]);
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var compare = texColor.slice(0, 3);
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wtu.checkCanvasRect(gl, 0, 0, canvas.width, canvas.height, compare, "shouldBe " + compare);
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shouldBe("gl.getError()", "gl.NO_ERROR");
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}
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function testOriginalContext()
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{
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debug("Test valid context");
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shouldBeFalse("gl.isContextLost()");
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shouldBe("gl.getError()", "gl.NO_ERROR");
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testRendering();
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debug("");
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}
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function testLostContext()
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{
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debug("Test lost context");
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shouldBeTrue("gl.isContextLost()");
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shouldBe("gl.getError()", "gl.CONTEXT_LOST_WEBGL");
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shouldBe("gl.getError()", "gl.NO_ERROR");
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debug("");
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}
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function testResources(expected)
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{
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var tests = [
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"gl.bindTexture(gl.TEXTURE_2D, texture)",
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"gl.useProgram(program)",
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"gl.bindBuffer(gl.ARRAY_BUFFER, bufferObjects[0])",
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];
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for (var i = 0; i < tests.length; ++i)
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shouldGenerateGLError(gl, expected, tests[i]);
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}
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function testRestoredContext()
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{
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debug("Test restored context");
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shouldBeFalse("gl.isContextLost()");
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shouldBe("gl.getError()", "gl.NO_ERROR");
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// Validate that using old resources fails.
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testResources(gl.INVALID_OPERATION);
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testRendering();
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// Validate new resources created in testRendering().
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testResources(gl.NO_ERROR);
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debug("");
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finish();
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}
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function finish() {
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successfullyParsed = true;
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var epilogue = document.createElement("script");
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epilogue.onload = function() {
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if (window.nonKhronosFrameworkNotifyDone)
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window.nonKhronosFrameworkNotifyDone();
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};
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epilogue.src = "../resources/js-test-post.js";
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document.body.appendChild(epilogue);
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}
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</script>
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</head>
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<body onload="init()">
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<div id="description"></div>
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<div id="console"></div>
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<canvas id="canvas" width="1px" height="1px"></canvas>
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</body>
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</html>
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