third_party/webgl/sdk/tests/extra/slow-shader-example.html - Issue 10399113: Roll webgl conformance tests to r17874: part 2, adding r17874

Unified Diff: third_party/webgl/sdk/tests/extra/slow-shader-example.html

Issue 10399113: Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/

Patch Set: Created 8 years, 7 months ago

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Index: third_party/webgl/sdk/tests/extra/slow-shader-example.html

===================================================================

--- third_party/webgl/sdk/tests/extra/slow-shader-example.html (revision 0)

+++ third_party/webgl/sdk/tests/extra/slow-shader-example.html (revision 0)

@@ -0,0 +1,137 @@

+<!--

+/*

+**

+** 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.

+*/

+-->

+<!DOCTYPE html>

+<html>

+<head>

+<meta charset="utf-8">

+<title>WebGL Slow Shader example.</title>

+<link rel="stylesheet" href="../resources/js-test-style.css"/>

+<script src="../resources/js-test-pre.js"></script>

+<script src="../conformance/resources/webgl-test-utils.js"> </script>

+</head>

+<body>

+<canvas id="example" width="1024" height="1024" style="width: 40px; height: 40px;">

+</canvas>

+<div id="description"></div>

+<div id="console"></div>

+<script id="slow" type="text/something-not-javascript">

+precision mediump float;

+uniform sampler2D tex;

+varying vec2 texCoord;

+void main() {

+ gl_FragColor = texture2D(tex, texture2D(tex, texture2D(tex, texCoord).xy).xy);

+</script>

+<script>

+window.onload = main;

+debug("Tests drawing a very slow shader.");

+var wtu = WebGLTestUtils;

+var canvas = document.getElementById("example");

+canvas.addEventListener("webglcontextlost", function(e) { e.preventDefault(); }, false);

+canvas.addEventListener("webglcontextrestored", function(e) { }, false);

+var gl = wtu.create3DContext(canvas);

+var maxTexSize = gl.getParameter(gl.MAX_TEXTURE_SIZE);

+var texSize = Math.min(maxTexSize, 4096);

+debug("Max Texture size: " + maxTexSize);

+debug("Texture size: " + texSize);

+var shaderSource =

+ document.getElementById("slow").text.replace(/\$size/g, texSize + ".0");

+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after getting a context");

+var vs = wtu.setupSimpleTextureVertexShader(gl);

+var fs = wtu.loadShader(

+ gl,

+ shaderSource,

+ gl.FRAGMENT_SHADER)

+var program = wtu.setupProgram(

+ gl,

+ [vs, fs],

+ ['vPosition', 'texCoord0'],

+ [0, 1]);

+wtu.setupUnitQuad(gl, 0, 1);

+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after program setup");

+var tex = gl.createTexture();

+gl.enable(gl.BLEND);

+gl.disable(gl.DEPTH_TEST);

+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after creating texture");

+debug("preparing...");

+var numBytes = texSize * texSize * 4;

+var pixelBuf = new ArrayBuffer(numBytes);

+var pixels = new Uint8Array(pixelBuf);

+for (var ii = 0; ii < numBytes; ++ii) {

+ pixels[ii] = Math.random() * 255;

+gl.bindTexture(gl.TEXTURE_2D, tex);

+gl.texImage2D(

+ gl.TEXTURE_2D, 0, gl.RGBA, texSize, texSize, 0,

+ gl.RGBA, gl.UNSIGNED_BYTE, pixels);

+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after texture setup");

+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);

+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);

+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);

+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);

+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after texture param setting");

+var loc = gl.getUniformLocation(program, "tex");

+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after getting tex location");

+gl.uniform1i(loc, 0);

+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after setting tex uniform");

+var numQuads = 1000;

+var indexBuf = new ArrayBuffer(numQuads * 6);

+var indices = new Uint8Array(indexBuf);

+for (var ii = 0; ii < numQuads; ++ii) {

+ var offset = ii * 6;

+ indices[offset + 0] = 0;

+ indices[offset + 1] = 1;

+ indices[offset + 2] = 2;

+ indices[offset + 3] = 3;

+ indices[offset + 4] = 4;

+ indices[offset + 5] = 5;

+var indexBuffer = gl.createBuffer();

+gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer);

+gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW);

+wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after setting up indices");

+function main () {

+ if (confirm(

+ "after clicking ok your machine may be come unresponsive or crash")) {

+ gl.drawElements(gl.TRIANGLES, numQuads * 6, gl.UNSIGNED_BYTE, 0);

+ wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after drawing");

+ } else {

+ debug("cancelled");

+ }

+successfullyParsed = true;

+</script>

+</body>

+</html>

Property changes on: third_party/webgl/sdk/tests/extra/slow-shader-example.html

___________________________________________________________________

Added: svn:eol-style

+ LF