content/canvas/test/webgl-conformance/conformance/glsl/misc/re-compile-re-link.html@deefc01c0e14
content/canvas/test/webgl-conformance/conformance/glsl/misc/re-compile-re-link.html
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
1 <!--
2 Copyright (c) 2012 The Chromium Authors. All rights reserved.
3 Use of this source code is governed by a BSD-style license that can be
4 found in the LICENSE file.
5 -->
6 <!DOCTYPE html>
7 <html>
8 <head>
9 <meta charset="utf-8">
10 <title>WebGL Re-Compile and Re-link Shader conformance test.</title>
11 <link rel="stylesheet" href="../../../resources/js-test-style.css"/>
12 <script src="../../../resources/js-test-pre.js"></script>
13 <script src="../../resources/webgl-test.js"> </script>
14 <script src="../../resources/webgl-test-utils.js"> </script>
15 </head>
16 <body>
17 <canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas>
18 <div id="description"></div>
19 <div id="console"></div>
20 <script id="vshader" type="x-shader/x-vertex">
21 attribute float column;
22 attribute float height;
23 uniform float position;
24 void main() {
25 gl_Position = vec4(mod(column - position, 1.0) * 2.0 - 1.0, height, 0, 1);
26 }
27 </script>
29 <script id="fshader1" type="x-shader/x-fragment">
30 precision mediump float;
31 void main() {
32 gl_FragColor = vec4(1,0,0,1);
33 }
34 </script>
35 <script id="fshader2" type="x-shader/x-fragment">
36 precision mediump float;
37 uniform float foobar;
38 void main() {
39 gl_FragColor = vec4(1,0,foobar,1);
40 }
41 </script>
42 <script id="vshaderB" type="not-js">
43 attribute vec2 position;
44 varying vec2 v_texCoord;
45 void main() {
46 gl_Position = vec4(position, 0, 1);
47 v_texCoord = vec2(position * 0.5 + 0.5);
48 }
49 </script>
50 <script id="fshaderB" type="not-js">
51 precision mediump float;
52 varying vec2 v_texCoord;
53 uniform sampler2D tex;
54 void main() {
55 gl_FragColor = texture2D(tex, v_texCoord);
56 }
57 </script>
59 <script>
60 description(document.title);
61 var wtu = WebGLTestUtils;
62 var gl = wtu.create3DContext("example");
64 var vsSource = document.getElementById("vshader").text;
65 var fs1Source = document.getElementById("fshader1").text;
66 var fs2Source = document.getElementById("fshader2").text;
68 var vsSourceB = document.getElementById("vshaderB").text;
69 var fsSourceB = document.getElementById("fshaderB").text;
71 var vShader = gl.createShader(gl.VERTEX_SHADER);
72 var fShader = gl.createShader(gl.FRAGMENT_SHADER);
74 var vShaderB = gl.createShader(gl.VERTEX_SHADER);
75 var fShaderB = gl.createShader(gl.FRAGMENT_SHADER);
77 var program = gl.createProgram();
78 var programB = gl.createProgram();
80 gl.attachShader(program, vShader);
81 gl.attachShader(program, fShader);
83 gl.attachShader(programB, vShaderB);
84 gl.attachShader(programB, fShaderB);
86 var success;
87 var shader;
89 function checkShaderStatus(s) {
90 shader = s;
91 shouldBeTrue("success = gl.getShaderParameter(shader, gl.COMPILE_STATUS)");
92 if (!success) {
93 debug("error: " + gl.getShaderInfoLog());
94 }
95 }
97 var prg;
98 function checkProgramStatus(p) {
99 prg = p;
100 shouldBeTrue("success = gl.getProgramParameter(prg, gl.LINK_STATUS)");
101 if (!success) {
102 debug("error: " + gl.getProgramInfoLog(prg));
103 }
104 }
106 for (var i = 0; i < 10; ++i) {
107 gl.shaderSource(vShader, vsSource);
108 gl.compileShader(vShader);
109 checkShaderStatus(vShader)
110 gl.shaderSource(fShader, fs1Source);
111 gl.compileShader(fShader);
112 checkShaderStatus(fShader)
114 gl.linkProgram(program);
115 checkProgramStatus(program)
116 gl.useProgram(program);
118 gl.shaderSource(vShaderB, vsSourceB);
119 gl.compileShader(vShaderB);
120 checkShaderStatus(vShaderB)
121 gl.shaderSource(fShaderB, fsSourceB);
122 gl.compileShader(fShaderB);
123 checkShaderStatus(fShaderB)
125 gl.linkProgram(programB);
126 checkProgramStatus(programB)
128 gl.useProgram(programB);
129 }
131 for (var i = 0; i < 10; ++i) {
132 // Now change the fragment shader
133 gl.shaderSource(fShader, fs2Source);
134 gl.compileShader(fShader);
135 checkShaderStatus(fShader)
137 // And re-link
138 gl.linkProgram(program);
139 checkProgramStatus(program)
140 }
142 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors");
144 successfullyParsed = true;
145 </script>
146 <script>finishTest();</script>
148 </body>
149 </html>
