1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
<!--
/*
** Copyright (c) 2012 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
<script src="../../../js/js-test-pre.js"></script>
<script src="../../../js/webgl-test-utils.js"></script>
<script>
"use strict";
var wtu = WebGLTestUtils;
var gl = null;
var textureLoc = null;
var successfullyParsed = false;
initTestingHarness();
function init()
{
description('Verify npot video');
var canvas = document.getElementById("example");
gl = wtu.create3DContext(canvas);
var program = wtu.setupTexturedQuad(gl);
gl.clearColor(0,0,0,1);
gl.clearDepth(1);
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
// Disable any writes to the alpha channel
gl.colorMask(1, 1, 1, 0);
textureLoc = gl.getUniformLocation(program, "tex");
var video = document.getElementById("vid");
wtu.startPlayingAndWaitForVideo(video, runTest);
}
function runOneIteration(videoElement, useTexSubImage2D, flipY, topColor, bottomColor, badMinFilter, badClamp, genMips)
{
debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
' with flipY=' + flipY);
var texture = gl.createTexture();
// Bind the texture to texture unit 0
gl.bindTexture(gl.TEXTURE_2D, texture);
// Set up pixel store parameters
gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
// Upload the videoElement into the texture
debug("size: " + videoElement.videoWidth + "x" + videoElement.videoHeight);
if (useTexSubImage2D) {
// Initialize the texture to black first
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA,
videoElement.videoWidth, videoElement.videoHeight, 0,
gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, videoElement);
} else {
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, videoElement);
}
// Set up texture parameters
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
if (badMinFilter) {
debug("bad min filter");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST);
} else {
debug("good min filter");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
}
if (badClamp) {
debug("bad clamp");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
} else {
debug("good clamp");
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
}
if (genMips) {
debug("generate mips");
gl.generateMipmap(gl.TEXTURE_2D);
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "should be INVALID_OPERATION");
}
// var c = document.createElement("canvas");
// c.width = 16;
// c.height = 16;
// c.style.border = "1px solid black";
// var ctx = c.getContext("2d");
// ctx.drawImage(videoElement, 0, 0, 16, 16);
// document.body.appendChild(c);
// Point the uniform sampler to texture unit 0
gl.uniform1i(textureLoc, 0);
// Draw the triangles
wtu.clearAndDrawUnitQuad(gl, [0, 0, 0, 255]);
// Check a few pixels near the top and bottom and make sure they have
// the right color.
var tolerance = 5;
debug("Checking lower left corner");
wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,
"shouldBe " + bottomColor, tolerance);
debug("Checking upper left corner");
wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,
"shouldBe " + topColor, tolerance);
debug("");
}
function runTest(videoElement)
{
var red = [255, 0, 0];
var green = [0, 255, 0];
var black = [0, 0, 0];
runOneIteration(videoElement, false, true, black, black, true, true, true);
runOneIteration(videoElement, false, true, black, black, true, false, false);
runOneIteration(videoElement, false, true, black, black, false, true, false);
runOneIteration(videoElement, false, true, black, black, true, true, false);
runOneIteration(videoElement, false, true, green, red, false, false, false);
runOneIteration(videoElement, false, false, red, green, false, false, false);
runOneIteration(videoElement, true, true, green, red, false, false, false);
runOneIteration(videoElement, true, false, red, green, false, false, false);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
finishTest();
}
</script>
</head>
<body onload="init()">
<canvas id="example" width="64" height="48"></canvas>
<div id="description"></div>
<div id="console"></div>
<video id="vid" style="display:none;">
<source src="../../../resources/npot-video.mp4" type='video/mp4; codecs="avc1.42E01E"' />
<source src="../../../resources/npot-video.webmvp8.webm" type='video/webm; codecs="vp8"' />
<source src="../../../resources/npot-video.theora.ogv" type='video/ogg; codecs="theora"' />
</video>
</body>
</html>
|