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content/canvas/test/webgl-conformance/conformance/textures/texture-npot.html@deefc01c0e14 (annotated)

content/canvas/test/webgl-conformance/conformance/textures/texture-npot.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.)

michael@0 1 <!--
michael@0 2 Copyright (c) 2011 The Chromium Authors. All rights reserved.
michael@0 3 Use of this source code is governed by a BSD-style license that can be
michael@0 4 found in the LICENSE file.
michael@0 5 -->
michael@0 6 <!DOCTYPE html>
michael@0 7 <html>
michael@0 8 <head>
michael@0 9 <meta charset="utf-8">
michael@0 10 <title>WebGL Non-Power of 2 texture conformance test.</title>
michael@0 11 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
michael@0 12 <script src="../../resources/js-test-pre.js"></script>
michael@0 13 <script src="../resources/webgl-test.js"> </script>
michael@0 14 <script src="../resources/webgl-test-utils.js"> </script>
michael@0 15 </head>
michael@0 16 <body>
michael@0 17 <canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas>
michael@0 18 <div id="description"></div>
michael@0 19 <div id="console"></div>
michael@0 20 <script id="vshader" type="x-shader/x-vertex">
michael@0 21 attribute vec4 vPosition;
michael@0 22 attribute vec2 texCoord0;
michael@0 23 varying vec2 texCoord;
michael@0 24 void main()
michael@0 25 {
michael@0 26 gl_Position = vPosition;
michael@0 27 texCoord = texCoord0;
michael@0 28 }
michael@0 29 </script>
michael@0 30
michael@0 31 <script id="fshader" type="x-shader/x-fragment">
michael@0 32 precision mediump float;
michael@0 33 uniform samplerCube tex;
michael@0 34 varying vec2 texCoord;
michael@0 35 void main()
michael@0 36 {
michael@0 37 gl_FragColor = textureCube(tex, normalize(vec3(texCoord, 1)));
michael@0 38 }
michael@0 39 </script>
michael@0 40 <script>
michael@0 41 description(document.title);
michael@0 42 var wtu = WebGLTestUtils;
michael@0 43 var gl = wtu.create3DContext("example");
michael@0 44 var program = wtu.setupTexturedQuad(gl);
michael@0 45
michael@0 46 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
michael@0 47
michael@0 48 var tex = gl.createTexture();
michael@0 49
michael@0 50 // Check that an NPOT texture not on level 0 generates INVALID_VALUE
michael@0 51 wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1);
michael@0 52 glErrorShouldBe(gl, gl.INVALID_VALUE,
michael@0 53 "gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE");
michael@0 54
michael@0 55 // Check that an NPOT texture on level 0 succeeds
michael@0 56 wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255]);
michael@0 57 glErrorShouldBe(gl, gl.NO_ERROR,
michael@0 58 "gl.texImage2D with NPOT texture at level 0 should succeed");
michael@0 59
michael@0 60 // Check that generateMipmap fails on NPOT
michael@0 61 gl.generateMipmap(gl.TEXTURE_2D);
michael@0 62 glErrorShouldBe(gl, gl.INVALID_OPERATION,
michael@0 63 "gl.generateMipmap with NPOT texture should return INVALID_OPERATION");
michael@0 64
michael@0 65 var loc = gl.getUniformLocation(program, "tex");
michael@0 66 gl.uniform1i(loc, 0);
michael@0 67
michael@0 68 // Check that nothing is drawn if filtering is not correct for NPOT
michael@0 69 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
michael@0 70 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
michael@0 71 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
michael@0 72 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
michael@0 73
michael@0 74 wtu.drawQuad(gl);
michael@0 75 wtu.checkCanvas(
michael@0 76 gl, [0, 0, 0, 255],
michael@0 77 "NPOT texture with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255");
michael@0 78 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
michael@0 79
michael@0 80 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
michael@0 81 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
michael@0 82 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);
michael@0 83
michael@0 84 wtu.drawQuad(gl);
michael@0 85 wtu.checkCanvas(
michael@0 86 gl, [0, 0, 0, 255],
michael@0 87 "NPOT texture with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");
michael@0 88 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
michael@0 89
michael@0 90 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
michael@0 91
michael@0 92 wtu.drawQuad(gl);
michael@0 93 wtu.checkCanvas(
michael@0 94 gl, [0, 192, 128, 255],
michael@0 95 "NPOT texture with TEXTURE_MIN_FILTER set to LINEAR should draw.");
michael@0 96
michael@0 97 gl.copyTexImage2D(gl.TEXTURE_2D, 1, gl.RGBA, 0, 0, 5, 3, 0);
michael@0 98 glErrorShouldBe(gl, gl.INVALID_VALUE,
michael@0 99 "copyTexImage2D with NPOT texture with level > 0 should return INVALID_VALUE.");
michael@0 100
michael@0 101 // Check that generateMipmap for an POT texture succeeds
michael@0 102 wtu.fillTexture(gl, tex, 4, 4, [0, 192, 128, 255]);
michael@0 103 gl.generateMipmap(gl.TEXTURE_2D);
michael@0 104 glErrorShouldBe(gl, gl.NO_ERROR,
michael@0 105 "gl.texImage2D and gl.generateMipmap with POT texture at level 0 should succeed");
michael@0 106
michael@0 107 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR);
michael@0 108 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
michael@0 109 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
michael@0 110 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
michael@0 111
michael@0 112 wtu.drawQuad(gl);
michael@0 113 wtu.checkCanvas(
michael@0 114 gl, [0, 192, 128, 255],
michael@0 115 "POT texture with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw.");
michael@0 116 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
michael@0 117
michael@0 118 debug("");
michael@0 119 debug("check using cubemap");
michael@0 120 var program = wtu.setupProgram(
michael@0 121 gl, ['vshader', 'fshader'], ['vPosition', 'texCoord0'], [0, 1]);
michael@0 122 var tex = gl.createTexture();
michael@0 123
michael@0 124 // Check that an NPOT texture not on level 0 generates INVALID_VALUE
michael@0 125 fillCubeTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1);
michael@0 126 glErrorShouldBe(gl, gl.INVALID_VALUE,
michael@0 127 "gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE");
michael@0 128
michael@0 129 // Check that an NPOT texture on level 0 succeeds
michael@0 130 fillCubeTexture(gl, tex, 5, 5, [0, 192, 128, 255]);
michael@0 131 glErrorShouldBe(gl, gl.NO_ERROR,
michael@0 132 "gl.texImage2D with NPOT texture at level 0 should succeed");
michael@0 133
michael@0 134 // Check that generateMipmap fails on NPOT
michael@0 135 gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
michael@0 136 glErrorShouldBe(gl, gl.INVALID_OPERATION,
michael@0 137 "gl.generateMipmap with NPOT texture should return INVALID_OPERATION");
michael@0 138
michael@0 139 var loc = gl.getUniformLocation(program, "tex");
michael@0 140 gl.uniform1i(loc, 0);
michael@0 141
michael@0 142 // Check that nothing is drawn if filtering is not correct for NPOT
michael@0 143 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
michael@0 144 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
michael@0 145 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT);
michael@0 146 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT);
michael@0 147
michael@0 148 wtu.drawQuad(gl);
michael@0 149 wtu.checkCanvas(
michael@0 150 gl, [0, 0, 0, 255],
michael@0 151 "NPOT cubemap with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255");
michael@0 152 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
michael@0 153
michael@0 154 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
michael@0 155 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
michael@0 156 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);
michael@0 157
michael@0 158 wtu.drawQuad(gl);
michael@0 159 wtu.checkCanvas(
michael@0 160 gl, [0, 0, 0, 255],
michael@0 161 "NPOT cubemap with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");
michael@0 162 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
michael@0 163
michael@0 164 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
michael@0 165
michael@0 166 wtu.drawQuad(gl);
michael@0 167 wtu.checkCanvas(
michael@0 168 gl, [0, 192, 128, 255],
michael@0 169 "NPOT cubemap with TEXTURE_MIN_FILTER set to LINEAR should draw.");
michael@0 170
michael@0 171 // Check that an POT texture on level 0 succeeds
michael@0 172 fillCubeTexture(gl, tex, 4, 4, [0, 192, 128, 255]);
michael@0 173 glErrorShouldBe(gl, gl.NO_ERROR,
michael@0 174 "gl.texImage2D with POT texture at level 0 should succeed");
michael@0 175
michael@0 176 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR);
michael@0 177 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
michael@0 178 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT);
michael@0 179 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT);
michael@0 180
michael@0 181 wtu.drawQuad(gl);
michael@0 182 wtu.checkCanvas(
michael@0 183 gl, [0, 0, 0, 255],
michael@0 184 "POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR but no mips draw with 0,0,0,255");
michael@0 185
michael@0 186 // Check that generateMipmap succeeds on POT
michael@0 187 gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
michael@0 188 glErrorShouldBe(gl, gl.NO_ERROR,
michael@0 189 "gl.generateMipmap with POT texture should return succeed");
michael@0 190
michael@0 191 wtu.drawQuad(gl);
michael@0 192 wtu.checkCanvas(
michael@0 193 gl, [0, 192, 128, 255],
michael@0 194 "POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw.");
michael@0 195
michael@0 196 successfullyParsed = true;
michael@0 197
michael@0 198 function fillCubeTexture(gl, tex, width, height, color, opt_level) {
michael@0 199 opt_level = opt_level || 0;
michael@0 200 var canvas = document.createElement('canvas');
michael@0 201 canvas.width = width;
michael@0 202 canvas.height = height;
michael@0 203 var ctx2d = canvas.getContext('2d');
michael@0 204 ctx2d.fillStyle = "rgba(" + color[0] + "," + color[1] + "," + color[2] + "," + color[3] + ")";
michael@0 205 ctx2d.fillRect(0, 0, width, height);
michael@0 206 gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex);
michael@0 207 var targets = [
michael@0 208 gl.TEXTURE_CUBE_MAP_POSITIVE_X,
michael@0 209 gl.TEXTURE_CUBE_MAP_NEGATIVE_X,
michael@0 210 gl.TEXTURE_CUBE_MAP_POSITIVE_Y,
michael@0 211 gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,
michael@0 212 gl.TEXTURE_CUBE_MAP_POSITIVE_Z,
michael@0 213 gl.TEXTURE_CUBE_MAP_NEGATIVE_Z];
michael@0 214 for (var tt = 0; tt < targets.length; ++tt) {
michael@0 215 gl.texImage2D(
michael@0 216 targets[tt], opt_level, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas);
michael@0 217 }
michael@0 218 };
michael@0 219
michael@0 220 </script>
michael@0 221 <script>finishTest();</script>
michael@0 222
michael@0 223 </body>
michael@0 224 </html>
michael@0 225

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