third_party/webgl/sdk/tests/extra/lots-of-polys-example.html - Issue 9360034: Remove everthing except conformance tests in the deps/third_party/webgl

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Issue 9360034: Remove everthing except conformance tests in the deps/third_party/webgl (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/

Patch Set: Created 8 years, 10 months ago

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1 <!--

2 Copyright (c) 2009 The Chromium Authors. All rights reserved.

3 Use of this source code is governed by a BSD-style license that can be

4 found in the LICENSE file.

5 -->

6 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

7 "http://www.w3.org/TR/html4/loose.dtd">

8 <html>

9 <head>

10 <meta charset="utf-8">

11 <title>WebGL Lots of polygons example.</title>

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

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

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

15 </head>

16 <body>

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

18 </canvas>

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

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

21 <script>

22 window.onload = init;

23 debug("Tests a WebGL program that draws a bunch of large polygons");

24

25 function init() {

26 if (confirm(

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

28 main();

29 } else {

30 debug("cancelled");

31 }

32 }

33

34 function main() {

35 var wtu = WebGLTestUtils;

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

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

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

39

40 var gl = wtu.create3DContext(canvas);

41 var program = wtu.setupTexturedQuad(gl);

42

43 assertMsg(gl.getError() == gl.NO_ERROR, "Should be no errors from setup.");

44

45 var tex = gl.createTexture();

46 gl.enable(gl.BLEND);

47 gl.disable(gl.DEPTH_TEST);

48

49 wtu.fillTexture(gl, tex, 4096, 4096, [0, 192, 128, 255], 0);

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

51

52 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);

53 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);

54 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);

55 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);

56 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after setting texture params");

57

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

59 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after getting tex locations");

60 gl.uniform1i(loc, 0);

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

62

63 var numQuads = 100000;

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

65 var indices = new Uint8Array(indexBuf);

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

67 var offset = ii * 6;

68 indices[offset + 0] = 0;

69 indices[offset + 1] = 1;

70 indices[offset + 2] = 2;

71 indices[offset + 3] = 3;

72 indices[offset + 4] = 4;

73 indices[offset + 5] = 5;

74 }

75 var indexBuffer = gl.createBuffer();

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

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

78 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after creating index buffer");

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

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

81

82 successfullyParsed = true;

83 }

84 </script>

85 </body>

86 </html>

87

88

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