conformance/more/conformance/webGLArrays.html - Issue 8344024: Remove older revision of webgl conformance tests.

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Issue 8344024: Remove older revision of webgl conformance tests. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/

Patch Set: Created 9 years, 2 months ago

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1 <!DOCTYPE html>

2 <html><head>

3 <meta charset="utf-8">

4 <link rel="stylesheet" type="text/css" href="../unit.css" />

5 <script type="application/x-javascript" src="../unit.js"></script>

6 <script type="application/x-javascript" src="../util.js"></script>

7

8 <script type="application/x-javascript">

9

10 function assertIdxs(name, arr, length) {

11 // assertOk(name+": Read with negative idx should work", function(){ return ar r[-1] });

12 // assertOk(name+": Read with too large idx should work", function(){ return a rr[length] });

13 // assertOk(name+": Write with negative idx should work", function(){ arr[-1] = 0 });

14 // assertOk(name+": Write with too large idx should work", function(){ arr[len gth] = 0 });

15 // arr[0] = 2;

16 // assertEquals(name+": Test that write worked", 2, arr[0]);

17 // assertOk(name+": Write with bad value should work", function(){ arr[0] = {x :"foo"} });

18 // assertEquals(name+": Test that bad write didn't work", 2, arr[0]);

19 assertOk(name+": Read and writes with OK idxs should work", function(){

20 for (var i=0; i<length; i++) arr[i] = i + 1;

21 for (var i=0; i<length; i++) arr[i] = arr[i] + 1;

22 for (var i=0; i<length; i++) assertEquals(name+": Test that reads and writes work", i+2, arr[i]);

23 });

24 }

25

26 Tests.startUnit = function () {

27 var canvas = document.getElementById('gl');

28 var gl = wrapGLContext(canvas.getContext(GL_CONTEXT_ID));

29 prog = new Shader(gl, 'vert', 'frag');

30 prog.use();

31 prog.uniform4f('c', 255, 0, 0, 255);

32 va = prog.attrib('Vertex');

33 buffer = gl.createBuffer();

34 gl.bindBuffer(gl.ARRAY_BUFFER, buffer);

35 return [gl];

36 }

37

38 Tests.endUnit = function() {

39 prog.destroy();

40 }

41

42 Tests.testCreateFromArray = function() {

43 var a = new Float32Array([1,2,3,4,5,6]);

44 assertIdxs('Float', a, 6);

45 var a = new Int32Array([1,2,3,4,5,6]);

46 assertIdxs('Int', a, 6);

47 var a = new Int16Array([1,2,3,4,5,6]);

48 assertIdxs('Short', a, 6);

49 var a = new Int8Array([1,2,3,4,5,6]);

50 assertIdxs('Byte', a, 6);

51 var a = new Uint32Array([1,2,3,4,5,6]);

52 assertIdxs('UInt', a, 6);

53 var a = new Uint16Array([1,2,3,4,5,6]);

54 assertIdxs('UShort', a, 6);

55 var a = new Uint8Array([1,2,3,4,5,6]);

56 assertIdxs('UByte', a, 6);

57 }

58 Tests.testCreateFromCount = function() {

59 var a = new Float32Array(6);

60 assertIdxs('Float', a, 6);

61 var a = new Int32Array(6);

62 assertIdxs('Int', a, 6);

63 var a = new Int16Array(6);

64 assertIdxs('Short', a, 6);

65 var a = new Int8Array(6);

66 assertIdxs('Byte', a, 6);

67 var a = new Uint32Array(6);

68 assertIdxs('UInt', a, 6);

69 var a = new Uint16Array(6);

70 assertIdxs('UShort', a, 6);

71 var a = new Uint8Array(6);

72 assertIdxs('UByte', a, 6);

73 }

74 Tests.testCreateFromBuffer = function() {

75 var sz = 24;

76 var b = new ArrayBuffer(sz);

77 var a = new Float32Array(b);

78 assertIdxs('Float', a, sz/4);

79 var a = new Int32Array(b);

80 assertIdxs('Int', a, sz/4);

81 var a = new Int16Array(b);

82 assertIdxs('Short', a, sz/2);

83 var a = new Int8Array(b);

84 assertIdxs('Byte', a, sz/1);

85 var a = new Uint32Array(b);

86 assertIdxs('UInt', a, sz/4);

87 var a = new Uint16Array(b);

88 assertIdxs('UShort', a, sz/2);

89 var a = new Uint8Array(b);

90 assertIdxs('UByte', a, sz/1);

91 }

92

93 Tests.testThatWritesChangeDrawing = function(gl) {

94 var verts = [

95 0,0,

96 1,0,

97 1,1,

98

99 0,0,

100 1,1,

101 0,1

102 ];

103 var a = new Float32Array(verts);

104 var arr = [];

105 for (var i=0; i<12; i++)

106 arr[i] = a[i];

107 assertEquals("Test that reads work from an array-initialized Float32Array", ar r, verts);

108 gl.clear(gl.COLOR_BUFFER_BIT \| gl.DEPTH_BUFFER_BIT);

109 gl.bufferData(gl.ARRAY_BUFFER, a, gl.STATIC_DRAW);

110 gl.vertexAttribPointer(va, 2, gl.FLOAT, false, 0, 0);

111 gl.enableVertexAttribArray(va);

112

113 var id = new Uint8Array(4);

114 gl.readPixels(8,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);

115 assertEquals([0, 0, 0, 0], [id[0], id[1], id[2], id[3]]);

116

117 gl.drawArrays(gl.TRIANGLES, 0, 6);

118

119 gl.readPixels(8,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);

120 assertEquals([255, 0, 0, 255], [id[0], id[1], id[2], id[3]]);

121 gl.readPixels(0,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);

122 assertEquals([0, 0, 0, 0], [id[0], id[1], id[2], id[3]]);

123

124 a[0] = a[6] = a[10] = -1;

125 gl.bufferData(gl.ARRAY_BUFFER, a, gl.STATIC_DRAW);

126 gl.vertexAttribPointer(va, 2, gl.FLOAT, false, 0, 0);

127

128 gl.drawArrays(gl.TRIANGLES, 0, 6);

129

130 gl.readPixels(8,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);

131 assertEquals([255, 0, 0, 255], [id[0], id[1], id[2], id[3]]);

132 gl.readPixels(0,8,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);

133 assertEquals("Test that Float32Array#[]= worked and drawArrays drew a full-wid th rectangle",

134 [255, 0, 0, 255], [id[0], id[1], id[2], id[3]]);

135 gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);

136 assertEquals([0, 0, 0, 0], [id[0], id[1], id[2], id[3]]);

137 }

138

139 </script>

140 <script id="vert" type="x-shader/x-vertex">

141 attribute vec2 Vertex;

142 void main()

143 {

144 gl_Position = vec4(Vertex, 0.0, 1.0);

145 }

146 </script>

147 <script id="frag" type="x-shader/x-fragment">

148 precision mediump float;

149

150 uniform vec4 c;

151 void main()

152 {

153 gl_FragColor = c;

154 }

155 </script>

156 <style>canvas{border: 1px solid black}</style>

157 </head><body>

158 <canvas id="gl" width="16" height="16"></canvas>

159 </body></html>

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