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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/canvas/test/webgl-conf/checkout/conformance/rendering/draw-with-changing-start-vertex-bug.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/rendering/draw-with-changing-start-vertex-bug.html')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/rendering/draw-with-changing-start-vertex-bug.html | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/rendering/draw-with-changing-start-vertex-bug.html b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/draw-with-changing-start-vertex-bug.html new file mode 100644 index 000000000..6b817c341 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/draw-with-changing-start-vertex-bug.html @@ -0,0 +1,133 @@ +<!-- + +/* +** Copyright (c) 2016 The Khronos Group Inc. +** +** Permission is hereby granted, free of charge, to any person obtaining a +** copy of this software and/or associated documentation files (the +** "Materials"), to deal in the Materials without restriction, including +** without limitation the rights to use, copy, modify, merge, publish, +** distribute, sublicense, and/or sell copies of the Materials, and to +** permit persons to whom the Materials are furnished to do so, subject to +** the following conditions: +** +** The above copyright notice and this permission notice shall be included +** in all copies or substantial portions of the Materials. +** +** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. +*/ + +This bug would occur after the app would render several times with the +same vertex attributes and buffers, but using a different start offset. +One of the buffers would likely have to be DYNAMIC. + +See http://anglebug.com/1327 and http://crbug.com/594509 + +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>Draw with changing start vertex test</title> +<link rel="stylesheet" href="../../resources/js-test-style.css"/> +<script src="../../js/js-test-pre.js"></script> +<script src="../../js/webgl-test-utils.js"></script> +</head> +<body> +<canvas id="canvas" width="16" height="16"> </canvas> +<div id="description"></div> +<div id="console"></div> +<script id="vshader" type="x-shader/x-vertex"> +attribute mediump vec4 position; +attribute mediump vec4 test; +attribute mediump vec4 expected; +varying mediump vec4 color; +void main(void) +{ + gl_Position = position; + vec4 threshold = max(abs(expected) * 0.01, 1.0 / 64.0); + color = vec4(lessThanEqual(abs(test - expected), threshold)); +} +</script> + +<script id="fshader" type="x-shader/x-fragment"> +varying mediump vec4 color; +void main(void) +{ + gl_FragColor = color; +} +</script> + +<script> +"use strict"; +description("Test calling drawArrays with repeatedly with a different start vertex"); + +var wtu = WebGLTestUtils; +var canvas = document.getElementById("canvas1"); +var gl = wtu.create3DContext(canvas); + +var program = wtu.setupProgram(gl, ["vshader", "fshader"], ["position", "test", "expected"]); + +var vertexCount = 24; +var testData = new Float32Array(vertexCount); + +for (var index = 0; index < vertexCount; ++index) { + testData[index] = index; +} + +var quadData = new Float32Array(14) +quadData[0] = -1.0; quadData[1] = 1.0; +quadData[2] = -1.0; quadData[3] = -1.0; +quadData[4] = 1.0; quadData[5] = -1.0; +quadData[6] = -1.0; quadData[7] = 1.0; +quadData[8] = 1.0; quadData[9] = -1.0; +quadData[10] = 1.0; quadData[11] = 1.0; +quadData[12] = 0.0; quadData[13] = 0.0; + +var quadBuffer = gl.createBuffer(); +gl.bindBuffer(gl.ARRAY_BUFFER, quadBuffer); +gl.bufferData(gl.ARRAY_BUFFER, quadData, gl.STATIC_DRAW); +gl.vertexAttribPointer(0, 2, gl.FLOAT, false, 0, 0); +gl.enableVertexAttribArray(0); + +// Must be STATIC to trigger the bug. +var testBuffer = gl.createBuffer(); +gl.bindBuffer(gl.ARRAY_BUFFER, testBuffer); +gl.bufferData(gl.ARRAY_BUFFER, testData, gl.STATIC_DRAW); +gl.vertexAttribPointer(1, 1, gl.FLOAT, false, 0, 0); +gl.enableVertexAttribArray(1); + +// Must be DYNAMIC to trigger the bug. +var expectedBuffer = gl.createBuffer(); +gl.bindBuffer(gl.ARRAY_BUFFER, expectedBuffer); +gl.bufferData(gl.ARRAY_BUFFER, testData, gl.DYNAMIC_DRAW); +gl.vertexAttribPointer(2, 1, gl.FLOAT, false, 0, 0); +gl.enableVertexAttribArray(2); + +function check() { + wtu.checkCanvas(gl, [255, 255, 255, 255], "should be white"); +} + +gl.drawArrays(gl.TRIANGLES, 0, 6); +check() + +gl.drawArrays(gl.TRIANGLES, 0, 6); +check() + +gl.drawArrays(gl.TRIANGLES, 1, 6); +check() + +debug(""); +var successfullyParsed = true; +</script> + +<script src="../../js/js-test-post.js"></script> +</body> +</html> |