third_party/webgl/sdk/tests/conformance/rendering/more-than-65536-indices.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) 2011 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>

7 <html>

8 <head>

9 <meta charset="utf-8">

10 <title>WebGL More than 65536 indices.</title>

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

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

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

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

15 </head>

16 <body>

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

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

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

20 <script id="vs" type="text/something-not-javascript">

21 attribute vec4 vPosition;

22 attribute vec4 vColor;

23 varying vec4 color;

24 void main() {

25 gl_Position = vPosition;

26 color = vColor;

27 }

28 </script>

29 <script id="fs" type="text/something-not-javascript">

30 precision mediump float;

31 varying vec4 color;

32 void main() {

33 gl_FragColor = color;

34 }

35 </script>

36 <script>

37 description("checks that rendering with more than 65536 indices works.");

38 var wtu = WebGLTestUtils;

39 // The antialias:false context creation attribute is a concession to some older and buggier drivers.

40 var gl = initWebGL("example", "vs", "fs", ["vPosition", "vColor"], [0, 0, 0, 1], 1, { antialias: false });

41 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after initWebGL");

42 var bufferObjects = wtu.setupUnitQuad(gl, 0, 1);

43 gl.bindBuffer(gl.ARRAY_BUFFER, bufferObjects[0]);

44 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([

45 -1,1,0, 1,1,0, -1,-1,0, 1,-1,0,

46 -1,1,0, 1,1,0, -1,-1,0, 1,-1,0]), gl.STATIC_DRAW);

47 gl.bindBuffer(gl.ARRAY_BUFFER, bufferObjects[1]);

48 gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array([

49 255, 0, 0, 255,

50 255, 0, 0, 255,

51 255, 0, 0, 255,

52 255, 0, 0, 255,

53 0, 255, 0, 255,

54 0, 255, 0, 255,

55 0, 255, 0, 255,

56 0, 255, 0, 255]), gl.STATIC_DRAW);

57 gl.vertexAttribPointer(1, 4, gl.UNSIGNED_BYTE, false, 0, 0);

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

59 gl.enable(gl.BLEND);

60 gl.disable(gl.DEPTH_TEST);

61

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

63 var numQuads = Math.floor(65536 / 6) + 2;

64 debug("numQuads: " + numQuads);

65 debug("numPoints: " + numQuads * 6);

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

67 var indices = new Uint8Array(indexBuf);

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

69 var offset = ii * 6;

70 var quad = (ii == (numQuads - 1)) ? 4 : 0;

71 indices[offset + 0] = quad + 0;

72 indices[offset + 1] = quad + 1;

73 indices[offset + 2] = quad + 2;

74 indices[offset + 3] = quad + 2;

75 indices[offset + 4] = quad + 1;

76 indices[offset + 5] = quad + 3;

77 }

78 var indexBuffer = gl.createBuffer();

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

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

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

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

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

84 wtu.checkCanvas(gl, [0, 255, 0, 255], "Should be green.");

85

86 successfullyParsed = true;

87 </script>

88

89 <script src="../../resources/js-test-post.js"></script>

90

91 </body>

92 </html>

93

94

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