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Issue 41503006: Add ToT WebGL conformance tests : part 8 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 7 years, 1 month ago
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1 <!DOCTYPE html>
2 <html>
3 <head>
4 <meta charset="utf-8">
5 <!--
6
7 /*
8 ** Copyright (c) 2012 The Khronos Group Inc.
9 **
10 ** Permission is hereby granted, free of charge, to any person obtaining a
11 ** copy of this software and/or associated documentation files (the
12 ** "Materials"), to deal in the Materials without restriction, including
13 ** without limitation the rights to use, copy, modify, merge, publish,
14 ** distribute, sublicense, and/or sell copies of the Materials, and to
15 ** permit persons to whom the Materials are furnished to do so, subject to
16 ** the following conditions:
17 **
18 ** The above copyright notice and this permission notice shall be included
19 ** in all copies or substantial portions of the Materials.
20 **
21 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
25 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
26 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
28 */
29
30 -->
31 <link rel="stylesheet" type="text/css" href="../unit.css" />
32 <script type="application/x-javascript" src="../unit.js"></script>
33 <script type="application/x-javascript" src="../util.js"></script>
34 <script type="application/x-javascript">
35
36 Tests.startUnit = function () {
37 var canvas = document.getElementById('gl');
38 var gl = wrapGLContext(getGLContext(canvas));
39 return [gl];
40 }
41
42 Tests.testReadPixels = function(gl) {
43 // we can't know if this is going to fail because of negative width
44 // or because the buffer size doesn't match the dimensions.
45 assertSomeGLError(gl, "negative width",
46 function(){gl.readPixels(0,0,-1,1, gl.RGBA, gl.UNSIGNED_BYTE,
47 new Uint8Array(4));});
48 assertSomeGLError(gl, "negative height",
49 function(){gl.readPixels(0,0,1,-1, gl.RGBA, gl.UNSIGNED_BYTE,
50 new Uint8Array(4));});
51 assertOk("negative x",
52 function(){gl.readPixels(-1,0,1,1, gl.RGBA, gl.UNSIGNED_BYTE,
53 new Uint8Array(4));});
54 assertOk("negative y",
55 function(){gl.readPixels(0,-1,1,1, gl.RGBA, gl.UNSIGNED_BYTE,
56 new Uint8Array(4));});
57 assertOk("height > backbuffer height",
58 function(){gl.readPixels(0,0,16,17, gl.RGBA, gl.UNSIGNED_BYTE,
59 new Uint8Array(16*17*4));});
60 assertOk("width > backbuffer width",
61 function(){gl.readPixels(0,0,17,16, gl.RGBA, gl.UNSIGNED_BYTE,
62 new Uint8Array(17*16*4));});
63 assertOk("width, height = 0",
64 function(){gl.readPixels(0,0,0,0, gl.RGBA, gl.UNSIGNED_BYTE,
65 new Uint8Array(0));});
66 // we can't know if this is going to fail because of negative width
67 // or because the buffer size doesn't match the dimensions.
68 assertSomeGLError(gl, "bad format",
69 function(){gl.readPixels(0,0,1,1, gl.FLOAT, gl.UNSIGNED_BYTE,
70 new Uint8Array(4*4));});
71 // we can't know if this is going to fail because of negative width
72 // or because the buffer size doesn't match the dimensions.
73 assertSomeGLError(gl, "bad type",
74 function(){gl.readPixels(0,0,1,1, gl.ALPHA, gl.FLOAT,
75 new Uint8Array(1*4));});
76 }
77
78 Tests.testReadPixelsSOPIMG = function(gl) {
79 var img = document.getElementById("i");
80 while (!img.complete) {}
81 var tex = gl.createTexture();
82 gl.bindTexture(gl.TEXTURE_2D, tex);
83 // SOP failure
84 assertThrowNoGLError(gl, "throw because img is from another domain",
85 function(){gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_B YTE, img);});
86 gl.bindTexture(gl.TEXTURE_2D, null);
87 assertOk("canvas still origin-clean",
88 function(){gl.readPixels(0,0,1,1, gl.RGBA, gl.UNSIGNED_BYTE,
89 new Uint8Array(4));});
90 gl.deleteTexture(tex);
91 }
92 Tests.testReadPixelsSOPCanvas = function(gl) {
93 var img = document.getElementById("i");
94 while (!img.complete) {}
95 var c = document.getElementById("c");
96 c.getContext("2d").drawImage(img, 0, 0);
97 assertFail("canvas throws because not origin clean",
98 function(){c.getContext("2d").getImageData(0,0,1,1);});
99 var tex = gl.createTexture();
100 gl.bindTexture(gl.TEXTURE_2D, tex);
101 // SOP failure
102 assertThrowNoGLError(gl, "throw because canvas is not origin clean",
103 function(){gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_B YTE, c);});
104 gl.bindTexture(gl.TEXTURE_2D, null);
105 assertOk("canvas still origin-clean",
106 function(){gl.readPixels(0,0,1,1, gl.RGBA, gl.UNSIGNED_BYTE,
107 new Uint8Array(4));});
108 gl.deleteTexture(tex);
109 }
110
111 Tests.endUnit = function(gl) {
112 }
113
114 </script>
115 </head><body>
116 <canvas id="gl" width="16" height="16"></canvas>
117 <canvas id="c" width="128" height="128"></canvas>
118 <img id="i" src="http://www.opengl.org/img/opengl_logo.jpg">
119 </body></html>
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