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1 <!DOCTYPE html> | |
2 <html><head> | |
3 <meta charset="utf-8"> | |
4 <!-- | |
5 Tests for the OpenGL ES 2.0 HTML Canvas context | |
6 | |
7 Copyright (C) 2011 Ilmari Heikkinen <ilmari.heikkinen@gmail.com> | |
8 | |
9 Permission is hereby granted, free of charge, to any person | |
10 obtaining a copy of this software and associated documentation | |
11 files (the "Software"), to deal in the Software without | |
12 restriction, including without limitation the rights to use, | |
13 copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 copies of the Software, and to permit persons to whom the | |
15 Software is furnished to do so, subject to the following | |
16 conditions: | |
17 | |
18 The above copyright notice and this permission notice shall be | |
19 included in all copies or substantial portions of the Software. | |
20 | |
21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
22 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
23 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
24 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
25 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
26 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
27 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
28 OTHER DEALINGS IN THE SOFTWARE. | |
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(canvas.getContext(GL_CONTEXT_ID)); | |
39 gl.viewport(0,0,canvas.width,canvas.height); | |
40 gl.clearColor(0,0,1,1); | |
41 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
42 gl.disable(gl.DEPTH_TEST); | |
43 return [gl]; | |
44 } | |
45 | |
46 Tests.setup = function(gl) { | |
47 var tex = gl.createTexture(); | |
48 gl.bindTexture(gl.TEXTURE_2D, tex); | |
49 var texCubeMap = gl.createTexture(); | |
50 gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCubeMap); | |
51 return [gl] | |
52 } | |
53 | |
54 Tests.teardown = function(gl, tex, texCubeMap) { | |
55 gl.bindTexture(gl.TEXTURE_2D, null); | |
56 gl.deleteTexture(tex); | |
57 gl.bindTexture(gl.TEXTURE_CUBE_MAP, null); | |
58 gl.deleteTexture(texCubeMap); | |
59 } | |
60 | |
61 Tests.testTexImage2D = function(gl) { | |
62 gl.enable(gl.BLEND); | |
63 var img = document.getElementById('i'); | |
64 var c = document.getElementById('c'); | |
65 var ctx = c.getContext('2d'); | |
66 ctx.drawImage(img,0,0); | |
67 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, img); | |
68 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); | |
69 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); | |
70 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); | |
71 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); | |
72 var f = new Filter(gl, 'identity-flip-vert', 'identity-frag'); | |
73 gl.blendFunc(gl.ONE, gl.ZERO); | |
74 f.apply(); | |
75 f.destroy(); | |
76 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, c); | |
77 f = new Filter(gl, 'identity-hflip-vert', 'identity-frag'); | |
78 gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA); | |
79 f.apply(); | |
80 f.destroy(); | |
81 var valid_targets = [ | |
82 gl.TEXTURE_2D, | |
83 gl.TEXTURE_CUBE_MAP_POSITIVE_X, | |
84 gl.TEXTURE_CUBE_MAP_NEGATIVE_X, | |
85 gl.TEXTURE_CUBE_MAP_POSITIVE_Y, | |
86 gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, | |
87 gl.TEXTURE_CUBE_MAP_POSITIVE_Z, | |
88 gl.TEXTURE_CUBE_MAP_NEGATIVE_Z | |
89 ]; | |
90 valid_targets.forEach(function(t) { | |
91 assertOk(function(){gl.texImage2D(t, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BY
TE, c);}); | |
92 assertOk(function(){gl.texImage2D(t, 1, gl.RGBA, gl.RGBA, gl.UNSIGNED_BY
TE, c);}); | |
93 }); | |
94 } | |
95 | |
96 Tests.testTexImage2DNonSOP = function(gl) { | |
97 var img = document.getElementById('i2'); | |
98 while (!img.complete) {} | |
99 var c = document.getElementById('c'); | |
100 var ctx = c.getContext('2d'); | |
101 ctx.drawImage(img,0,0); | |
102 assertThrowNoGLError(gl, "texImage2D with cross-origin image should throw ex
ception.", | |
103 function(){gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_B
YTE, img);}); | |
104 assertThrowNoGLError(gl, "texImage2D with dirty origin canvas should throw e
xception.", | |
105 function(){gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_B
YTE, c);}); | |
106 } | |
107 | |
108 Tests.endUnit = function(gl) { | |
109 } | |
110 | |
111 </script> | |
112 <script id="identity-flip-vert" type="x-shader/x-vertex"> | |
113 attribute vec3 Vertex; | |
114 attribute vec2 Tex; | |
115 | |
116 varying vec4 texCoord0; | |
117 void main() | |
118 { | |
119 texCoord0 = vec4(Tex.s, 1.0-Tex.t, 0.0, 0.0); | |
120 gl_Position = vec4(Vertex, 1.0); | |
121 } | |
122 </script> | |
123 <script id="identity-hflip-vert" type="x-shader/x-vertex"> | |
124 attribute vec3 Vertex; | |
125 attribute vec2 Tex; | |
126 | |
127 varying vec4 texCoord0; | |
128 void main() | |
129 { | |
130 texCoord0 = vec4(1.0-Tex.s, Tex.t, 0.0, 0.0); | |
131 gl_Position = vec4(Vertex, 1.0); | |
132 } | |
133 </script> | |
134 <script id="identity-frag" type="x-shader/x-fragment"> | |
135 precision mediump float; | |
136 | |
137 uniform sampler2D Texture; | |
138 | |
139 varying vec4 texCoord0; | |
140 void main() | |
141 { | |
142 vec4 c = texture2D(Texture, texCoord0.st); | |
143 gl_FragColor = c; | |
144 } | |
145 </script> | |
146 </head><body> | |
147 <canvas id="gl" width="256" height="256"></canvas> | |
148 <canvas id="c" width="256" height="256"></canvas> | |
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150 <img id="i2" src="http://mashable.com/wp-content/uploads/2008/08/thunderbird-log
o-64x64.png"> | |
151 | |
152 </body></html> | |
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