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| 1 <!-- | |
| 2 Copyright (c) 2011 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 Non-Power of 2 texture 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;"></c
anvas> | |
| 18 <div id="description"></div> | |
| 19 <div id="console"></div> | |
| 20 <script id="vshader" type="x-shader/x-vertex"> | |
| 21 attribute vec4 vPosition; | |
| 22 attribute vec2 texCoord0; | |
| 23 varying vec2 texCoord; | |
| 24 void main() | |
| 25 { | |
| 26 gl_Position = vPosition; | |
| 27 texCoord = texCoord0; | |
| 28 } | |
| 29 </script> | |
| 30 | |
| 31 <script id="fshader" type="x-shader/x-fragment"> | |
| 32 precision mediump float; | |
| 33 uniform samplerCube tex; | |
| 34 varying vec2 texCoord; | |
| 35 void main() | |
| 36 { | |
| 37 gl_FragColor = textureCube(tex, normalize(vec3(texCoord, 1))); | |
| 38 } | |
| 39 </script> | |
| 40 <script> | |
| 41 var wtu = WebGLTestUtils; | |
| 42 var canvas = document.getElementById("example"); | |
| 43 var gl = wtu.create3DContext(canvas); | |
| 44 var program = wtu.setupTexturedQuad(gl); | |
| 45 | |
| 46 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 47 | |
| 48 var tex = gl.createTexture(); | |
| 49 | |
| 50 // Check that an NPOT texture not on level 0 generates INVALID_VALUE | |
| 51 wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1); | |
| 52 glErrorShouldBe(gl, gl.INVALID_VALUE, | |
| 53 "gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE"
); | |
| 54 | |
| 55 // Check that an NPOT texture on level 0 succeeds | |
| 56 wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255]); | |
| 57 glErrorShouldBe(gl, gl.NO_ERROR, | |
| 58 "gl.texImage2D with NPOT texture at level 0 should succeed"); | |
| 59 | |
| 60 // Check that generateMipmap fails on NPOT | |
| 61 gl.generateMipmap(gl.TEXTURE_2D); | |
| 62 glErrorShouldBe(gl, gl.INVALID_OPERATION, | |
| 63 "gl.generateMipmap with NPOT texture should return INVALID_OPERATION"); | |
| 64 | |
| 65 var loc = gl.getUniformLocation(program, "tex"); | |
| 66 gl.uniform1i(loc, 0); | |
| 67 | |
| 68 // Check that nothing is drawn if filtering is not correct for NPOT | |
| 69 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); | |
| 70 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); | |
| 71 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT); | |
| 72 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT); | |
| 73 | |
| 74 wtu.drawQuad(gl); | |
| 75 wtu.checkCanvas( | |
| 76 gl, [0, 0, 0, 255], | |
| 77 "NPOT texture with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255"); | |
| 78 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 79 | |
| 80 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); | |
| 81 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); | |
| 82 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR)
; | |
| 83 | |
| 84 wtu.drawQuad(gl); | |
| 85 wtu.checkCanvas( | |
| 86 gl, [0, 0, 0, 255], | |
| 87 "NPOT texture with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with
0,0,0,255"); | |
| 88 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 89 | |
| 90 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); | |
| 91 | |
| 92 wtu.drawQuad(gl); | |
| 93 wtu.checkCanvas( | |
| 94 gl, [0, 192, 128, 255], | |
| 95 "NPOT texture with TEXTURE_MIN_FILTER set to LINEAR should draw."); | |
| 96 | |
| 97 gl.copyTexImage2D(gl.TEXTURE_2D, 1, gl.RGBA, 0, 0, 5, 3, 0); | |
| 98 glErrorShouldBe(gl, gl.INVALID_VALUE, | |
| 99 "copyTexImage2D with NPOT texture with level > 0 should return INVALID_VALUE
."); | |
| 100 | |
| 101 // Check that generateMipmap for an POT texture succeeds | |
| 102 wtu.fillTexture(gl, tex, 4, 4, [0, 192, 128, 255]); | |
| 103 gl.generateMipmap(gl.TEXTURE_2D); | |
| 104 glErrorShouldBe(gl, gl.NO_ERROR, | |
| 105 "gl.texImage2D and gl.generateMipmap with POT texture at level 0 should succ
eed"); | |
| 106 | |
| 107 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR); | |
| 108 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); | |
| 109 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT); | |
| 110 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT); | |
| 111 | |
| 112 wtu.drawQuad(gl); | |
| 113 wtu.checkCanvas( | |
| 114 gl, [0, 192, 128, 255], | |
| 115 "POT texture with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw
."); | |
| 116 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 117 | |
| 118 debug(""); | |
| 119 debug("check using cubemap"); | |
| 120 var program = wtu.setupProgram( | |
| 121 gl, | |
| 122 [wtu.loadShaderFromScript(gl, 'vshader', gl.VERTEX_SHADER), | |
| 123 wtu.loadShaderFromScript(gl, 'fshader', gl.FRAGMENT_SHADER)], | |
| 124 ['vPosition', 'texCoord0'], [0, 1]); | |
| 125 var tex = gl.createTexture(); | |
| 126 | |
| 127 // Check that an NPOT texture not on level 0 generates INVALID_VALUE | |
| 128 fillCubeTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1); | |
| 129 glErrorShouldBe(gl, gl.INVALID_VALUE, | |
| 130 "gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE"
); | |
| 131 | |
| 132 // Check that an NPOT texture on level 0 succeeds | |
| 133 fillCubeTexture(gl, tex, 5, 5, [0, 192, 128, 255]); | |
| 134 glErrorShouldBe(gl, gl.NO_ERROR, | |
| 135 "gl.texImage2D with NPOT texture at level 0 should succeed"); | |
| 136 | |
| 137 // Check that generateMipmap fails on NPOT | |
| 138 gl.generateMipmap(gl.TEXTURE_CUBE_MAP); | |
| 139 glErrorShouldBe(gl, gl.INVALID_OPERATION, | |
| 140 "gl.generateMipmap with NPOT texture should return INVALID_OPERATION"); | |
| 141 | |
| 142 var loc = gl.getUniformLocation(program, "tex"); | |
| 143 gl.uniform1i(loc, 0); | |
| 144 | |
| 145 // Check that nothing is drawn if filtering is not correct for NPOT | |
| 146 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST); | |
| 147 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.NEAREST); | |
| 148 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT); | |
| 149 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT); | |
| 150 | |
| 151 wtu.drawQuad(gl); | |
| 152 wtu.checkCanvas( | |
| 153 gl, [0, 0, 0, 255], | |
| 154 "NPOT cubemap with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255"); | |
| 155 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 156 | |
| 157 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); | |
| 158 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); | |
| 159 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_L
INEAR); | |
| 160 | |
| 161 wtu.drawQuad(gl); | |
| 162 wtu.checkCanvas( | |
| 163 gl, [0, 0, 0, 255], | |
| 164 "NPOT cubemap with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with
0,0,0,255"); | |
| 165 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 166 | |
| 167 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR); | |
| 168 | |
| 169 wtu.drawQuad(gl); | |
| 170 wtu.checkCanvas( | |
| 171 gl, [0, 192, 128, 255], | |
| 172 "NPOT cubemap with TEXTURE_MIN_FILTER set to LINEAR should draw."); | |
| 173 | |
| 174 // Check that an POT texture on level 0 succeeds | |
| 175 fillCubeTexture(gl, tex, 4, 4, [0, 192, 128, 255]); | |
| 176 glErrorShouldBe(gl, gl.NO_ERROR, | |
| 177 "gl.texImage2D with POT texture at level 0 should succeed"); | |
| 178 | |
| 179 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LI
NEAR); | |
| 180 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.LINEAR); | |
| 181 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.REPEAT); | |
| 182 gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.REPEAT); | |
| 183 | |
| 184 wtu.drawQuad(gl); | |
| 185 wtu.checkCanvas( | |
| 186 gl, [0, 0, 0, 255], | |
| 187 "POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR but no mips
draw with 0,0,0,255"); | |
| 188 | |
| 189 // Check that generateMipmap succeeds on POT | |
| 190 gl.generateMipmap(gl.TEXTURE_CUBE_MAP); | |
| 191 glErrorShouldBe(gl, gl.NO_ERROR, | |
| 192 "gl.generateMipmap with POT texture should return succeed"); | |
| 193 | |
| 194 wtu.drawQuad(gl); | |
| 195 wtu.checkCanvas( | |
| 196 gl, [0, 192, 128, 255], | |
| 197 "POT cubemap with TEXTURE_MIN_FILTER set to LINEAR_MIPMAP_LINEAR should draw
."); | |
| 198 | |
| 199 successfullyParsed = true; | |
| 200 | |
| 201 function fillCubeTexture(gl, tex, width, height, color, opt_level) { | |
| 202 opt_level = opt_level || 0; | |
| 203 var canvas = document.createElement('canvas'); | |
| 204 canvas.width = width; | |
| 205 canvas.height = height; | |
| 206 var ctx2d = canvas.getContext('2d'); | |
| 207 ctx2d.fillStyle = "rgba(" + color[0] + "," + color[1] + "," + color[2] + "," +
color[3] + ")"; | |
| 208 ctx2d.fillRect(0, 0, width, height); | |
| 209 gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex); | |
| 210 var targets = [ | |
| 211 gl.TEXTURE_CUBE_MAP_POSITIVE_X, | |
| 212 gl.TEXTURE_CUBE_MAP_NEGATIVE_X, | |
| 213 gl.TEXTURE_CUBE_MAP_POSITIVE_Y, | |
| 214 gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, | |
| 215 gl.TEXTURE_CUBE_MAP_POSITIVE_Z, | |
| 216 gl.TEXTURE_CUBE_MAP_NEGATIVE_Z]; | |
| 217 for (var tt = 0; tt < targets.length; ++tt) { | |
| 218 gl.texImage2D( | |
| 219 targets[tt], opt_level, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas); | |
| 220 } | |
| 221 }; | |
| 222 | |
| 223 </script> | |
| 224 <script src="../../resources/js-test-post.js"></script> | |
| 225 | |
| 226 </body> | |
| 227 </html> | |
| 228 | |
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Chromium Code Reviews
Issue 9360034:
Remove everthing except conformance tests in the deps/third_party/webgl (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/