third_party/WebKit/LayoutTests/fast/canvas/webgl/index-validation.html - Issue 1601093008: Remove duplicated WebGL layout tests.

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Issue 1601093008: Remove duplicated WebGL layout tests. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 11 months ago

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1 <!DOCTYPE html>

2 <html>

3 <head>

4 <meta charset="utf-8">

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

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

7 </head>

8 <body>

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

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

11

12 <script>

13 description("Tests that index validation verifies the correct number of indices" );

14

15 if (window.internals)

16 window.internals.settings.setWebGLErrorsToConsoleEnabled(false);

17

18 function sizeInBytes(type) {

19 switch (type) {

20 case gl.BYTE:

21 case gl.UNSIGNED_BYTE:

22 return 1;

23 case gl.SHORT:

24 case gl.UNSIGNED_SHORT:

25 return 2;

26 case gl.INT:

27 case gl.UNSIGNED_INT:

28 case gl.FLOAT:

29 return 4;

30 default:

31 throw "unknown type";

32 }

33 }

34

35 var gl = create3DContext();

36 var program = loadStandardProgram(gl);

37

38 // 3 vertices => 1 triangle, interleaved data

39 var dataComplete = new Float32Array([0, 0, 0, 1,

40 0, 0, 1,

41 1, 0, 0, 1,

42 0, 0, 1,

43 1, 1, 1, 1,

44 0, 0, 1]);

45 var dataIncomplete = new Float32Array([0, 0, 0, 1,

46 0, 0, 1,

47 1, 0, 0, 1,

48 0, 0, 1,

49 1, 1, 1, 1]);

50 var indices = new Uint16Array([0, 1, 2]);

51

52 debug("Testing with valid indices");

53

54 var bufferComplete = gl.createBuffer();

55 gl.bindBuffer(gl.ARRAY_BUFFER, bufferComplete);

56 gl.bufferData(gl.ARRAY_BUFFER, dataComplete, gl.STATIC_DRAW);

57 var elements = gl.createBuffer();

58 gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, elements);

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

60 gl.useProgram(program);

61 var vertexLoc = gl.getAttribLocation(program, "a_vertex");

62 var normalLoc = gl.getAttribLocation(program, "a_normal");

63 gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 0);

64 gl.enableVertexAttribArray(vertexLoc);

65 gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 4 * sizeInBytes(gl.FLOAT));

66 gl.enableVertexAttribArray(normalLoc);

67 shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE') ;

68 glErrorShouldBe(gl, gl.NO_ERROR);

69 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');

70 glErrorShouldBe(gl, gl.NO_ERROR);

71

72 debug("Testing with out-of-range indices");

73

74 var bufferIncomplete = gl.createBuffer();

75 gl.bindBuffer(gl.ARRAY_BUFFER, bufferIncomplete);

76 gl.bufferData(gl.ARRAY_BUFFER, dataIncomplete, gl.STATIC_DRAW);

77 gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 0);

78 gl.enableVertexAttribArray(vertexLoc);

79 gl.disableVertexAttribArray(normalLoc);

80 debug("Enable vertices, valid");

81 glErrorShouldBe(gl, gl.NO_ERROR);

82 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');

83 glErrorShouldBe(gl, gl.NO_ERROR);

84 debug("Enable normals, out-of-range");

85 gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 4 * sizeInBytes(gl.FLOAT));

86 gl.enableVertexAttribArray(normalLoc);

87 glErrorShouldBe(gl, gl.NO_ERROR);

88 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');

89 glErrorShouldBe(gl, gl.INVALID_OPERATION);

90

91 debug("Test with enabled attribute that does not belong to current program");

92

93 gl.disableVertexAttribArray(normalLoc);

94 var extraLoc = Math.max(vertexLoc, normalLoc) + 1;

95 gl.enableVertexAttribArray(extraLoc);

96 debug("Enable an extra attribute with null");

97 glErrorShouldBe(gl, gl.NO_ERROR);

98 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');

99 glErrorShouldBe(gl, gl.INVALID_OPERATION);

100 debug("Enable an extra attribute with insufficient data buffer");

101 gl.vertexAttribPointer(extraLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 4 * sizeInBytes(gl.FLOAT));

102 glErrorShouldBe(gl, gl.NO_ERROR);

103 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');

104 debug("Pass large negative index to vertexAttribPointer");

105 gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), -2000000000 * sizeInBytes(gl.FLOAT));

106 glErrorShouldBe(gl, gl.INVALID_VALUE);

107 shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');

108

109 successfullyParsed = true;

110 </script>

111

112 </body>

113 </html>

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