third_party/WebKit/LayoutTests/fast/canvas/webgl/attrib-location-length-limits.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 <title>WebGL attrib location length tests</title>

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

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

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

9 </head>

10 <body>

11 <canvas id="example" width="50" height="50">

12 There is supposed to be an example drawing here, but it's not important.

13 </canvas>

14 <div id="description">Verify limits on the lengths of attrib locations.</div>

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

16 <script id="goodVertexShader1" type="x-shader/x-vertex">

17 // A vertex shader where the needed attrib location is long, but not over the li mit.

18 attribute vec4 vPosition01234567890123456789012345678901234567890123456789012345 678901234567890;

19

20 void main()

21 {

22 gl_Position = vPosition01234567890123456789012345678901234567890123456789012 345678901234567890;

23 }

24 </script>

25 <script id="goodVertexShader2" type="x-shader/x-vertex">

26 // A vertex shader where the needed attrib location is exactly 256 characters.

27 attribute vec4 vPosition01234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 6789012345678901234567890123456;

28

29 void main()

30 {

31 gl_Position = vPosition01234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 3456789012345678901234567890123456;

32 }

33 </script>

34 <script id="badVertexShader" type="x-shader/x-vertex">

35 // A vertex shader where the needed attrib location is 257 characters.

36 attribute vec4 vPosition01234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567;

37

38 void main()

39 {

40 gl_Position = vPosition01234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567;

41 }

42 </script>

43 <script id="fragmentShader" type="x-shader/x-fragment">

44 precision mediump float;

45

46 void main() {

47 gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);

48 }

49 </script>

50 <script>

51 if (window.initNonKhronosFramework) {

52 window.initNonKhronosFramework(false);

53 }

54 if (window.internals)

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

56

57 var wtu = WebGLTestUtils;

58 var gl = wtu.create3DContext(document.getElementById("example"));

59

60 debug("Test attrib location underneath the length limit");

61 var program = wtu.loadProgramFromScript(gl, "goodVertexShader1", "fragmentShader ");

62 shouldBe('gl.getProgramParameter(program, gl.LINK_STATUS)', 'true');

63 var attribLoc = gl.getAttribLocation(program, "vPosition012345678901234567890123 45678901234567890123456789012345678901234567890");

64 if (attribLoc == -1) {

65 testFailed("attrib location was -1, should not be");

66 } else {

67 testPassed("attrib location should not be -1");

68 }

69 wtu.glErrorShouldBe(gl, gl.NONE);

70

71 debug("Test attrib location exactly at the length limit");

72 var program = wtu.loadProgramFromScript(gl, "goodVertexShader2", "fragmentShader ");

73 shouldBe('gl.getProgramParameter(program, gl.LINK_STATUS)', 'true');

74 var attribLoc = gl.getAttribLocation(program, "vPosition012345678901234567890123 45678901234567890123456789012345678901234567890123456789012345678901234567890123 45678901234567890123456789012345678901234567890123456789012345678901234567890123 456789012345678901234567890123456789012345678901234567890123456");

75 if (attribLoc == -1) {

76 testFailed("attrib location was -1, should not be");

77 } else {

78 testPassed("attrib location should not be -1");

79 }

80 wtu.glErrorShouldBe(gl, gl.NONE);

81

82 debug("Test attrib location over the length limit");

83 debug("Shader compilation should fail");

84 shouldBe('wtu.loadShaderFromScript(gl, "badVertexShader", gl.VERTEX_SHADER, func tion (err) {})', 'null');

85 wtu.glErrorShouldBe(gl, gl.NONE);

86

87 debug("Attempt to bind too-long attrib location should produce error");

88 var program = gl.createProgram();

89 gl.bindAttribLocation(program, 0, "vPosition012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 6789012345678901234567890123456789012345678901234567");

90 wtu.glErrorShouldBe(gl, gl.INVALID_VALUE);

91

92 debug("Attempt to fetch too-long attrib location should produce error");

93 shouldBe('gl.getAttribLocation(program, "vPosition012345678901234567890123456789 01234567890123456789012345678901234567890123456789012345678901234567890123456789 01234567890123456789012345678901234567890123456789012345678901234567890123456789 0123456789012345678901234567890123456789012345678901234567")', '-1');

94 wtu.glErrorShouldBe(gl, gl.INVALID_VALUE);

95

96 </script>

97 </body>

98 </html>

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