third_party/webgl/conformance-suites/1.0.0/conformance/renderbuffer-initialization.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 <script>

12 function runTest(gl, width, height)

13 {

14

15 debug('Test whether the WebGL internal buffers have been initialized to 0.') ;

16 var totalBytes = width * height * 4;

17 var buf = new Uint8Array(totalBytes);

18 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf);

19 if (gl.getError() != gl.NO_ERROR) {

20 testFailed('GL error detected after readPixels().');

21 return false;

22 }

23 for (var i = 0; i < totalBytes; ++i) {

24 if (buf[i] != 0) {

25 testFailed('WebGL internal buffers are dirty.');

26 return false;

27 }

28 }

29 testPassed('Buffers have been initialized to 0.');

30

31 debug('Test whether user created buffers have been initialized to 0.');

32 var fbo = gl.createFramebuffer();

33 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);

34 var colorbuffer = gl.createRenderbuffer();

35 gl.bindRenderbuffer(gl.RENDERBUFFER, colorbuffer);

36 gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, width, height);

37 if (gl.getError() != gl.NO_ERROR) {

38 testFailed('GL error detected after renderbufferStorage(internalformat = RGBA4).');

39 return false;

40 }

41 gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBU FFER, colorbuffer);

42 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) {

43 testFailed('Framebuffer incomplete.');

44 return false;

45 }

46 gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf);

47 if (gl.getError() != gl.NO_ERROR) {

48 testFailed('GL error detected after readPixels().');

49 return false;

50 }

51 for (var i = 0; i < totalBytes; ++i) {

52 if (buf[i] != 0) {

53 testFailed('User created buffers are dirty.');

54 return false;

55 }

56 }

57

58 testPassed('Buffers have been initialized to 0.');

59 return true;

60 }

61 </script>

62 </head>

63 <body>

64 <canvas id="testbed" width="400px" height="400px"></canvas>

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

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

67 <script>

68 var successfullyParsed = false;

69

70 description('Verify renderbuffers are initialized to 0 before being read in WebG L');

71

72 var canvas = document.getElementById("testbed");

73 var gl = canvas.getContext("experimental-webgl");

74 if (!gl) {

75 testFailed('canvas.getContext() failed');

76 } else {

77 runTest(gl, canvas.width, canvas.height);

78

79 // Testing that canvas resizing will clear the buffers with 0 instead of the current clear values.

80 gl.clearColor(1, 0, 0, 1);

81 canvas.width += 1;

82 canvas.height += 1;

83 runTest(gl, canvas.width, canvas.height);

84

85 // Testing buffer clearing won't change the clear values.

86 var clearColor = gl.getParameter(gl.COLOR_CLEAR_VALUE);

87 shouldBe("clearColor", "[1, 0, 0, 1]");

88

89 successfullyParsed = true;

90 }

91 </script>

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

93 </body>

94 </html>

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