third_party/webgl/conformance-suites/1.0.0/conformance/index-validation-with-resized-buffer.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) 2010 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 <html>

7 <head>

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

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

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

11 </head>

12 <body>

13 <canvas id="example" width="1px" height="1px"></canvas>

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

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

16

17 <script id="vs" type="x-shader/x-vertex">

18 attribute vec4 vPosition;

19 attribute vec4 vColor;

20 varying vec4 color;

21 void main() {

22 gl_Position = vPosition;

23 color = vColor;

24 }

25 </script>

26 <script id="fs" type="x-shader/x-fragment">

27 #if defined(GL_ES)

28 precision mediump float;

29 #endif

30 varying vec4 color;

31 void main() {

32 gl_FragColor = color;

33 }

34 </script>

35 <script>

36 description('Test that updating the size of a vertex buffer is properly noticed by the WebGL implementation.')

37

38 var gl = initWebGL("example", "vs", "fs", ["vPosition", "vColor"], [0, 0, 0, 1], 1);

39 glErrorShouldBe(gl, gl.NO_ERROR, "after initialization");

40

41 gl.useProgram(gl.program);

42 var vertexObject = gl.createBuffer();

43 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);

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

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

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

47 gl.enableVertexAttribArray(0);

48 gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);

49 glErrorShouldBe(gl, gl.NO_ERROR, "after vertex setup");

50

51 var texCoordObject = gl.createBuffer();

52 gl.bindBuffer(gl.ARRAY_BUFFER, texCoordObject);

53 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(

54 [0,0, 1,0, 0,1,

55 0,1, 1,0, 1,1]), gl.STATIC_DRAW);

56 gl.enableVertexAttribArray(1);

57 gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 0, 0);

58 glErrorShouldBe(gl, gl.NO_ERROR, "after texture coord setup");

59

60 // Now resize these buffers because we want to change what we're drawing.

61 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);

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

63 -1,1,0, 1,1,0, -1,-1,0, 1,-1,0,

64 -1,1,0, 1,1,0, -1,-1,0, 1,-1,0]), gl.STATIC_DRAW);

65 glErrorShouldBe(gl, gl.NO_ERROR, "after vertex redefinition");

66 gl.bindBuffer(gl.ARRAY_BUFFER, texCoordObject);

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

68 255, 0, 0, 255,

69 255, 0, 0, 255,

70 255, 0, 0, 255,

71 255, 0, 0, 255,

72 0, 255, 0, 255,

73 0, 255, 0, 255,

74 0, 255, 0, 255,

75 0, 255, 0, 255]), gl.STATIC_DRAW);

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

77 glErrorShouldBe(gl, gl.NO_ERROR, "after texture coordinate / color redefinition" );

78

79 var numQuads = 2;

80 var indices = new Uint8Array(numQuads * 6);

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

82 var offset = ii * 6;

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

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

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

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

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

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

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

90 }

91 var indexObject = gl.createBuffer();

92 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexObject);

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

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

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

96 glErrorShouldBe(gl, gl.NO_ERROR, "after drawing");

97

98 debug("")

99 successfullyParsed = true;

100 </script>

101

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

103 </body>

104 </html>

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