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| 1 <!-- | |
| 2 Copyright (c) 2010 Mozilla Foundation. 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 PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" | |
| 7 "http://www.w3.org/TR/html4/loose.dtd"> | |
| 8 <html> | |
| 9 <head> | |
| 10 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> | |
| 11 <title>WebGL Program Compiling/Linking Conformance Test</title> | |
| 12 <link rel="stylesheet" href="../resources/js-test-style.css"/> | |
| 13 <script src="../resources/js-test-pre.js" type="text/javascript"></script> | |
| 14 <script src="resources/webgl-test.js" type="text/javascript"></script> | |
| 15 </head> | |
| 16 <body> | |
| 17 <div id="description"></div> | |
| 18 <div id="console"></div> | |
| 19 <canvas id="canvas" width="2" height="2"> </canvas> | |
| 20 <script type="text/javascript"> | |
| 21 function go() { | |
| 22 description("Tests that program compiling/linking/using works correctly."); | |
| 23 | |
| 24 debug(""); | |
| 25 debug("Canvas.getContext"); | |
| 26 | |
| 27 var gl = create3DContext(document.getElementById("canvas")); | |
| 28 if (!gl) { | |
| 29 testFailed("context does not exist"); | |
| 30 return; | |
| 31 } | |
| 32 | |
| 33 testPassed("context exists"); | |
| 34 | |
| 35 gl.clearColor(0.0, 0.0, 0.0, 0.0); | |
| 36 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 37 | |
| 38 function doArraysHaveSameContents(a, b) { | |
| 39 var flags = []; | |
| 40 function hasUnusedValue(a, value) { | |
| 41 for (var ii = 0; ii < a.length; ++ii) { | |
| 42 if (a[ii] === value && !flags[ii]) { | |
| 43 flags[ii] = true; | |
| 44 return true; | |
| 45 } | |
| 46 } | |
| 47 return false; | |
| 48 } | |
| 49 | |
| 50 try { | |
| 51 if (a.length !== b.length) { | |
| 52 return false; | |
| 53 } | |
| 54 for (var ii = 0; ii < a.length; ii++) { | |
| 55 if (!hasUnusedValue(b, a[ii])) { | |
| 56 return false; | |
| 57 } | |
| 58 } | |
| 59 } catch (ex) { | |
| 60 return false; | |
| 61 } | |
| 62 return true; | |
| 63 } | |
| 64 | |
| 65 /////// Check compileShader() ///////////////////////////// | |
| 66 | |
| 67 var vs = gl.createShader(gl.VERTEX_SHADER); | |
| 68 gl.shaderSource(vs, "attribute vec4 aVertex; attribute vec4 aColor; varying
vec4 vColor; void main() { vColor = aColor; gl_Position = aVertex; }"); | |
| 69 gl.compileShader(vs); | |
| 70 | |
| 71 assertMsg(gl.getShaderParameter(vs, gl.COMPILE_STATUS) == true, | |
| 72 "good vertex shader should compile"); | |
| 73 | |
| 74 var vs2 = gl.createShader(gl.VERTEX_SHADER); | |
| 75 gl.shaderSource(vs2, "attribute vec4 aVertex; attribute vec4 aColor; varying
vec4 vColor; void main() { vColor = aColor; gl_Position = aVertex * 0.5; }"); | |
| 76 gl.compileShader(vs2); | |
| 77 | |
| 78 assertMsg(gl.getShaderParameter(vs2, gl.COMPILE_STATUS) == true, | |
| 79 "good vertex shader #2 should compile"); | |
| 80 | |
| 81 var vsBad = gl.createShader(gl.VERTEX_SHADER); | |
| 82 gl.shaderSource(vsBad, "WILL NOT COMPILE;"); | |
| 83 gl.compileShader(vsBad); | |
| 84 | |
| 85 assertMsg(gl.getShaderParameter(vsBad, gl.COMPILE_STATUS) == false, | |
| 86 "bad vertex shader should fail to compile"); | |
| 87 | |
| 88 var fs = gl.createShader(gl.FRAGMENT_SHADER); | |
| 89 gl.shaderSource(fs, "#ifdef GL_ES\nprecision mediump float;\n#endif\n varyin
g vec4 vColor; void main() { gl_FragColor = vColor; }"); | |
| 90 gl.compileShader(fs); | |
| 91 | |
| 92 assertMsg(gl.getShaderParameter(fs, gl.COMPILE_STATUS) == true, | |
| 93 "good fragment shader should compile"); | |
| 94 | |
| 95 var fs2 = gl.createShader(gl.FRAGMENT_SHADER); | |
| 96 gl.shaderSource(fs2, "#ifdef GL_ES\nprecision mediump float;\n#endif\n varyi
ng vec4 vColor; void main() { gl_FragColor = vColor * 0.5; }"); | |
| 97 gl.compileShader(fs2); | |
| 98 | |
| 99 assertMsg(gl.getShaderParameter(fs2, gl.COMPILE_STATUS) == true, | |
| 100 "good fragment shader #2 should compile"); | |
| 101 | |
| 102 var fsBad = gl.createShader(gl.FRAGMENT_SHADER); | |
| 103 gl.shaderSource(fsBad, "WILL NOT COMPILE;"); | |
| 104 gl.compileShader(fsBad); | |
| 105 | |
| 106 assertMsg(gl.getShaderParameter(fsBad, gl.COMPILE_STATUS) == false, | |
| 107 "bad fragment shader should fail to compile"); | |
| 108 | |
| 109 glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors at this point"); | |
| 110 | |
| 111 /////// Check attachShader() ///////////////////////////// | |
| 112 | |
| 113 function checkAttachShader(already_attached_shaders, shader, expected_error_
code, errmsg) { | |
| 114 var prog = gl.createProgram(); | |
| 115 for (var i = 0; i < already_attached_shaders.length; ++i) | |
| 116 gl.attachShader(prog, already_attached_shaders[i]); | |
| 117 if(gl.getError() != gl.NO_ERROR) | |
| 118 assertMsg(false, "unexpected error in attachShader()"); | |
| 119 gl.attachShader(prog, shader); | |
| 120 glErrorShouldBe(gl, expected_error_code, errmsg); | |
| 121 } | |
| 122 | |
| 123 checkAttachShader([], vs, gl.NO_ERROR, "attaching a vertex shader should suc
ceed"); | |
| 124 checkAttachShader([vs], vs, gl.INVALID_OPERATION, | |
| 125 "attaching an already attached vertex shader should genera
te INVALID_OPERATION"); | |
| 126 checkAttachShader([], fs, gl.NO_ERROR, "attaching a fragment shader should s
ucceed"); | |
| 127 checkAttachShader([fs], fs, gl.INVALID_OPERATION, | |
| 128 "attaching an already attached fragment shader should gene
rate INVALID_OPERATION"); | |
| 129 checkAttachShader([vs], vs2, gl.INVALID_OPERATION, | |
| 130 "attaching shaders of the same type to a program should ge
nerate INVALID_OPERATION"); | |
| 131 checkAttachShader([fs], fs2, gl.INVALID_OPERATION, | |
| 132 "attaching shaders of the same type to a program should ge
nerate INVALID_OPERATION"); | |
| 133 | |
| 134 /////// Check detachShader() ///////////////////////////// | |
| 135 | |
| 136 function checkDetachShader(already_attached_shaders, shader, expected_error_
code, errmsg) { | |
| 137 var prog = gl.createProgram(); | |
| 138 for (var i = 0; i < already_attached_shaders.length; ++i) | |
| 139 gl.attachShader(prog, already_attached_shaders[i]); | |
| 140 if(gl.getError() != gl.NO_ERROR) | |
| 141 assertMsg(false, "unexpected error in attachShader()"); | |
| 142 gl.detachShader(prog, shader); | |
| 143 glErrorShouldBe(gl, expected_error_code, errmsg); | |
| 144 } | |
| 145 | |
| 146 checkDetachShader([vs], vs, gl.NO_ERROR, "detaching a vertex shader should s
ucceed"); | |
| 147 checkDetachShader([fs], vs, gl.INVALID_OPERATION, | |
| 148 "detaching a not already attached vertex shader should gen
erate INVALID_OPERATION"); | |
| 149 checkDetachShader([fs], fs, gl.NO_ERROR, "detaching a fragment shader should
succeed"); | |
| 150 checkDetachShader([vs], fs, gl.INVALID_OPERATION, | |
| 151 "detaching a not already attached fragment shader should g
enerate INVALID_OPERATION"); | |
| 152 | |
| 153 /////// Check getAttachedShaders() ///////////////////////////// | |
| 154 | |
| 155 function checkGetAttachedShaders(shaders_to_attach, shaders_to_detach, expec
ted_shaders, errmsg) { | |
| 156 var prog = gl.createProgram(); | |
| 157 for (var i = 0; i < shaders_to_attach.length; ++i) | |
| 158 gl.attachShader(prog, shaders_to_attach[i]); | |
| 159 if(gl.getError() != gl.NO_ERROR) | |
| 160 assertMsg(false, "unexpected error in attachShader()"); | |
| 161 for (var i = 0; i < shaders_to_detach.length; ++i) | |
| 162 gl.detachShader(prog, shaders_to_detach[i]); | |
| 163 if(gl.getError() != gl.NO_ERROR) | |
| 164 assertMsg(false, "unexpected error in detachShader()"); | |
| 165 assertMsg(doArraysHaveSameContents(gl.getAttachedShaders(prog), expected
_shaders), errmsg); | |
| 166 } | |
| 167 checkGetAttachedShaders([], [], [], "getAttachedShaders should return an emp
ty list by default"); | |
| 168 checkGetAttachedShaders([fs], [], [fs], "attaching a single shader should gi
ve the expected list"); | |
| 169 checkGetAttachedShaders([fs, vs], [], [fs, vs], | |
| 170 "attaching some shaders should give the expected list"); | |
| 171 checkGetAttachedShaders([fs], [fs], [], "attaching a shader and detaching it
shoud leave an empty list"); | |
| 172 checkGetAttachedShaders([fs, vs], [fs, vs], [], | |
| 173 "attaching some shaders and detaching them in same order shoud leave an
empty list"); | |
| 174 checkGetAttachedShaders([fs, vs], [vs, fs], [], | |
| 175 "attaching some shaders and detaching them in random order shoud leave a
n empty list"); | |
| 176 checkGetAttachedShaders([fs, vs], [vs], [fs], | |
| 177 "attaching and detaching some shaders should leave the difference list")
; | |
| 178 checkGetAttachedShaders([fs, vs], [fs], [vs], | |
| 179 "attaching and detaching some shaders should leave the difference list")
; | |
| 180 checkGetAttachedShaders([fsBad], [], [fsBad], | |
| 181 "attaching a shader that failed to compile should still show it in the l
ist"); | |
| 182 checkGetAttachedShaders([fs, vsBad], [], [fs, vsBad], | |
| 183 "attaching shaders, including one that failed to compile, should still s
how the it in the list"); | |
| 184 | |
| 185 /////// Check linkProgram() and useProgram ///////////////////////////// | |
| 186 | |
| 187 function checkLinkAndUse(shaders, deleteShaderAfterAttach, expected_status,
errmsg) { | |
| 188 var prog = gl.createProgram(); | |
| 189 for (var i = 0; i < shaders.length; ++i) { | |
| 190 gl.attachShader(prog, shaders[i]); | |
| 191 if (deleteShaderAfterAttach) | |
| 192 gl.deleteShader(shaders[i]); | |
| 193 } | |
| 194 gl.bindAttribLocation(prog, 0, "aVertex"); | |
| 195 gl.bindAttribLocation(prog, 1, "aColor"); | |
| 196 gl.linkProgram(prog); | |
| 197 if (gl.getError() != gl.NO_ERROR) | |
| 198 assertMsg(false, "unexpected error in linkProgram()"); | |
| 199 assertMsg(gl.getProgramParameter(prog, gl.LINK_STATUS) == expected_statu
s, errmsg); | |
| 200 if (expected_status == true && gl.getProgramParameter(prog, gl.LINK_STAT
US) == false) | |
| 201 debug(gl.getProgramInfoLog(prog)); | |
| 202 if (gl.getError() != gl.NO_ERROR) | |
| 203 assertMsg(false, "unexpected error in getProgramParameter()"); | |
| 204 gl.useProgram(prog); | |
| 205 if (expected_status == true) | |
| 206 glErrorShouldBe(gl, gl.NO_ERROR, "using a valid program should succe
ed"); | |
| 207 if (expected_status == false) | |
| 208 glErrorShouldBe(gl, gl.INVALID_OPERATION, "using an invalid program
should generate INVALID_OPERATION"); | |
| 209 return prog; | |
| 210 } | |
| 211 | |
| 212 var progGood1 = checkLinkAndUse([vs, fs], false, true, "valid program should
link"); | |
| 213 var progGood2 = checkLinkAndUse([vs, fs2], false, true, "valid program #2 sh
ould link"); | |
| 214 var progBad1 = checkLinkAndUse([vs], false, false, "program with no fragment
shader should fail to link"); | |
| 215 var progBad2 = checkLinkAndUse([fs], false, false, "program with no vertex s
hader should fail to link"); | |
| 216 var progBad3 = checkLinkAndUse([vsBad, fs], false, false, "program with bad
vertex shader should fail to link"); | |
| 217 var progBad4 = checkLinkAndUse([vs, fsBad], false, false, "program with bad
fragment shader should fail to link"); | |
| 218 var progBad5 = checkLinkAndUse([vsBad, fsBad], false, false, "program with b
ad shaders should fail to link"); | |
| 219 | |
| 220 gl.useProgram(progGood1); | |
| 221 glErrorShouldBe(gl, gl.NO_ERROR, "using a valid program shouldn't generate a
GL error"); | |
| 222 | |
| 223 var vbuf = gl.createBuffer(); | |
| 224 gl.bindBuffer(gl.ARRAY_BUFFER, vbuf); | |
| 225 gl.bufferData(gl.ARRAY_BUFFER, | |
| 226 new Float32Array([ | |
| 227 0.0, 0.0, 0.0, 1.0, | |
| 228 1.0, 0.0, 0.0, 1.0, | |
| 229 1.0, 1.0, 0.0, 1.0, | |
| 230 0.0, 1.0, 0.0, 1.0]), | |
| 231 gl.STATIC_DRAW); | |
| 232 gl.vertexAttribPointer(0, 4, gl.FLOAT, false, 0, 0); | |
| 233 gl.enableVertexAttribArray(0); | |
| 234 gl.vertexAttrib3f(1, 1.0, 0.0, 0.0); | |
| 235 | |
| 236 glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors at this point #2"); | |
| 237 | |
| 238 gl.useProgram(progGood1); | |
| 239 gl.drawArrays(gl.TRIANGLES, 0, 3); | |
| 240 glErrorShouldBe(gl, gl.NO_ERROR, "drawing with a valid program shouldn't gen
erate a GL error"); | |
| 241 | |
| 242 gl.useProgram(progBad1); | |
| 243 glErrorShouldBe(gl, gl.INVALID_OPERATION, "using an invalid program should g
enerate INVALID_OPERATION"); | |
| 244 gl.drawArrays(gl.TRIANGLES, 0, 3); | |
| 245 glErrorShouldBe(gl, gl.NO_ERROR, "Try to use an invalid program should not c
hange the current rendering state"); | |
| 246 | |
| 247 gl.useProgram(progGood2); | |
| 248 gl.drawArrays(gl.TRIANGLES, 0, 3); | |
| 249 glErrorShouldBe(gl, gl.NO_ERROR, "drawing with a valid program shouldn't gen
erate a GL error"); | |
| 250 gl.detachShader(progGood2, fs2); | |
| 251 gl.attachShader(progGood2, fsBad); | |
| 252 gl.linkProgram(progGood2); | |
| 253 assertMsg(gl.getProgramParameter(progGood2, gl.LINK_STATUS) == false, | |
| 254 "linking should fail with in-use formerly good program, with new b
ad shader attached"); | |
| 255 | |
| 256 gl.useProgram(progGood1); | |
| 257 gl.drawArrays(gl.TRIANGLES, 0, 4); | |
| 258 glErrorShouldBe(gl, gl.NO_ERROR, "drawing with a valid when last used progra
m shouldn't generate a GL error"); | |
| 259 | |
| 260 var progGood1 = checkLinkAndUse([vs, fs], true, true, "delete shaders after
attaching them and before linking program should not affect linkProgram"); | |
| 261 gl.useProgram(progGood1); | |
| 262 gl.drawArrays(gl.TRIANGLES, 0, 4); | |
| 263 glErrorShouldBe(gl, gl.NO_ERROR, "drawing with a valid when last used progra
m shouldn't generate a GL error"); | |
| 264 | |
| 265 /////// Check deleteProgram() and deleteShader() ///////////////////////////// | |
| 266 | |
| 267 gl.useProgram(progGood1); | |
| 268 gl.deleteProgram(progGood1); | |
| 269 gl.drawArrays(gl.TRIANGLES, 0, 4); | |
| 270 glErrorShouldBe(gl, gl.NO_ERROR, "delete the current program shouldn't chang
e the current rendering state"); | |
| 271 | |
| 272 gl.linkProgram(progGood1); | |
| 273 glErrorShouldBe(gl, gl.NO_ERROR, "The current program shouldn't be deleted")
; | |
| 274 | |
| 275 var fs3 = gl.createShader(gl.FRAGMENT_SHADER); | |
| 276 gl.shaderSource(fs3, "#ifdef GL_ES\nprecision mediump float;\n#endif\n varyi
ng vec4 vColor; void main() { gl_FragColor = vColor; }"); | |
| 277 gl.compileShader(fs3); | |
| 278 | |
| 279 assertMsg(gl.getShaderParameter(fs3, gl.COMPILE_STATUS) == true, | |
| 280 "good fragment shader should compile"); | |
| 281 | |
| 282 gl.deleteShader(fs3); | |
| 283 gl.compileShader(fs3); | |
| 284 glErrorShouldBe(gl, gl.INVALID_VALUE, "an unattached shader should be delete
d immediately"); | |
| 285 | |
| 286 fs3 = gl.createShader(gl.FRAGMENT_SHADER); | |
| 287 gl.shaderSource(fs3, "#ifdef GL_ES\nprecision mediump float;\n#endif\n varyi
ng vec4 vColor; void main() { gl_FragColor = vColor; }"); | |
| 288 gl.compileShader(fs3); | |
| 289 | |
| 290 assertMsg(gl.getShaderParameter(fs3, gl.COMPILE_STATUS) == true, | |
| 291 "good fragment shader should compile"); | |
| 292 | |
| 293 gl.detachShader(progGood1, fs); | |
| 294 gl.attachShader(progGood1, fs3); | |
| 295 | |
| 296 gl.deleteShader(fs3); | |
| 297 gl.compileShader(fs3); | |
| 298 assertMsg(gl.getShaderParameter(fs3, gl.COMPILE_STATUS) == true, | |
| 299 "an attached shader shouldn't be deleted"); | |
| 300 | |
| 301 gl.useProgram(null); | |
| 302 gl.linkProgram(progGood1); | |
| 303 glErrorShouldBe(gl, gl.INVALID_VALUE, "a delete-marked program should be del
eted once it's no longer the current program"); | |
| 304 | |
| 305 gl.compileShader(fs3); | |
| 306 glErrorShouldBe(gl, gl.INVALID_VALUE, "a delete-marked shader should be dele
ted once all its attachments are removed"); | |
| 307 } | |
| 308 | |
| 309 debug(""); | |
| 310 go(); | |
| 311 | |
| 312 successfullyParsed = true; | |
| 313 </script> | |
| 314 <script src="../resources/js-test-post.js"></script> | |
| 315 | |
| 316 </body> | |
| 317 </html> | |
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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/