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comparison: content/canvas/test/webgl-conformance/conformance/glsl/misc/glsl-long-variable-names.html
content/canvas/test/webgl-conformance/conformance/glsl/misc/glsl-long-variable-names.html
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| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <meta charset="utf-8"> | |
| 5 <title>glsl long variable name mapping tests</title> | |
| 6 <link rel="stylesheet" href="../../../resources/js-test-style.css"/> | |
| 7 <script src="../../../resources/js-test-pre.js"></script> | |
| 8 <script src="../../resources/webgl-test.js"> </script> | |
| 9 </head> | |
| 10 <body> | |
| 11 <canvas id="example" width="50" height="50"> | |
| 12 There is supposed to be an example drawing here, but it's not important. | |
| 13 </canvas> | |
| 14 <div id="description"></div> | |
| 15 <div id="console"></div> | |
| 16 <script id="vshader_shared_uniform" type="x-shader/x-vertex"> | |
| 17 attribute vec3 vPosition; | |
| 18 uniform mediump float value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890; | |
| 19 void main() | |
| 20 { | |
| 21 gl_Position = vec4(vPosition, value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890); | |
| 22 } | |
| 23 </script> | |
| 24 | |
| 25 <script id="fshader_shared_uniform" type="x-shader/x-fragment"> | |
| 26 precision mediump float; | |
| 27 uniform float value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890; | |
| 28 void main() | |
| 29 { | |
| 30 gl_FragColor = vec4(1.0, 0.0, value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890, 1.0); | |
| 31 } | |
| 32 </script> | |
| 33 | |
| 34 <script id="vshader_uniform_array" type="x-shader/x-vertex"> | |
| 35 attribute vec3 vPosition; | |
| 36 void main() | |
| 37 { | |
| 38 gl_Position = vec4(vPosition, 1.0); | |
| 39 } | |
| 40 </script> | |
| 41 | |
| 42 <script id="fshader_uniform_array" type="x-shader/x-fragment"> | |
| 43 precision mediump float; | |
| 44 uniform float color01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567[2]; | |
| 45 void main() | |
| 46 { | |
| 47 gl_FragColor = vec4(color01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567[0], color01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567[1], 1.0, 1.0); | |
| 48 } | |
| 49 </script> | |
| 50 | |
| 51 <script id="vshader_varying" type="x-shader/x-vertex"> | |
| 52 attribute vec3 vPosition; | |
| 53 varying float value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890; | |
| 54 void main() | |
| 55 { | |
| 56 value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = 1.0; | |
| 57 gl_Position = vec4(vPosition, 1.0); | |
| 58 } | |
| 59 </script> | |
| 60 | |
| 61 <script id="fshader_varying" type="x-shader/x-fragment"> | |
| 62 precision mediump float; | |
| 63 varying float value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890; | |
| 64 void main() | |
| 65 { | |
| 66 gl_FragColor = vec4(value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890, 0.0, 1.0, 1.0); | |
| 67 } | |
| 68 </script> | |
| 69 | |
| 70 <script id="vshader_local" type="x-shader/x-vertex"> | |
| 71 attribute vec3 vPosition; | |
| 72 void main() | |
| 73 { | |
| 74 for (int i012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 = 0; i012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 < 1; ++i012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234) | |
| 75 { | |
| 76 gl_Position = vec4(vPosition, 1.0); | |
| 77 } | |
| 78 } | |
| 79 </script> | |
| 80 | |
| 81 <script id="fshader_local" type="x-shader/x-fragment"> | |
| 82 precision mediump float; | |
| 83 void main() | |
| 84 { | |
| 85 for (int i012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 = 0; i012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234 < 1; ++i012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234) | |
| 86 { | |
| 87 gl_FragColor = vec4(1.0, 0.0, 1.0, 1.0); | |
| 88 } | |
| 89 } | |
| 90 </script> | |
| 91 | |
| 92 <script id="vshader_attrib" type="x-shader/x-vertex"> | |
| 93 attribute vec3 vPosition0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456; | |
| 94 void main() | |
| 95 { | |
| 96 gl_Position = vec4(vPosition0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456, 1.0); | |
| 97 } | |
| 98 </script> | |
| 99 | |
| 100 <script id="fshader_attrib" type="x-shader/x-fragment"> | |
| 101 precision mediump float; | |
| 102 void main() | |
| 103 { | |
| 104 gl_FragColor = vec4(1.0, 0.0, 1.0, 1.0); | |
| 105 } | |
| 106 </script> | |
| 107 | |
| 108 <script> | |
| 109 if (window.initNonKhronosFramework) { | |
| 110 window.initNonKhronosFramework(false); | |
| 111 } | |
| 112 | |
| 113 description("Verify that shader long variable names works fine if they are within 256 characters."); | |
| 114 | |
| 115 debug("Test same long uniform name in both vertex shader and fragment shader"); | |
| 116 var gl = initWebGL("example", "vshader_shared_uniform", "fshader_shared_uniform", [ "vPosition"], [ 0, 0, 0, 1 ], 1); | |
| 117 shouldBeNonNull("gl"); | |
| 118 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 119 var prog = gl.getParameter(gl.CURRENT_PROGRAM); | |
| 120 shouldBeNonNull("prog"); | |
| 121 var valueLoc = gl.getUniformLocation(prog, "value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"); | |
| 122 shouldBeNonNull("valueLoc"); | |
| 123 shouldBe("gl.getProgramParameter(prog, gl.ACTIVE_UNIFORMS)", "1"); | |
| 124 var activeUniform = gl.getActiveUniform(prog, 0); | |
| 125 shouldBeNonNull("activeUniform"); | |
| 126 shouldBe("activeUniform.type", "gl.FLOAT"); | |
| 127 shouldBe("activeUniform.size", "1"); | |
| 128 shouldBe("activeUniform.name", "'value01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890'"); | |
| 129 gl.uniform1f(valueLoc, 1.0); | |
| 130 drawAndCheckPixels(gl); | |
| 131 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 132 debug(""); | |
| 133 | |
| 134 debug("Test long uniform array name"); | |
| 135 var gl = initWebGL("example", "vshader_uniform_array", "fshader_uniform_array", [ "vPosition"], [ 0, 0, 0, 1 ], 1); | |
| 136 shouldBeNonNull("gl"); | |
| 137 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 138 var prog = gl.getParameter(gl.CURRENT_PROGRAM); | |
| 139 shouldBeNonNull("prog"); | |
| 140 var redLoc = gl.getUniformLocation(prog, "color01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567[0]"); | |
| 141 shouldBeNonNull("redLoc"); | |
| 142 var greenLoc = gl.getUniformLocation(prog, "color01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567[1]"); | |
| 143 shouldBeNonNull("greenLoc"); | |
| 144 shouldBe("gl.getProgramParameter(prog, gl.ACTIVE_UNIFORMS)", "1"); | |
| 145 var activeUniform = gl.getActiveUniform(prog, 0); | |
| 146 shouldBeNonNull("activeUniform"); | |
| 147 shouldBe("activeUniform.type", "gl.FLOAT"); | |
| 148 shouldBe("activeUniform.size", "2"); | |
| 149 shouldBe("activeUniform.name", "'color01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567[0]'"); | |
| 150 gl.uniform1f(redLoc, 1.0); | |
| 151 gl.uniform1f(greenLoc, 0.0); | |
| 152 drawAndCheckPixels(gl); | |
| 153 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 154 debug(""); | |
| 155 | |
| 156 debug("Test long varying name"); | |
| 157 var gl = initWebGL("example", "vshader_varying", "fshader_varying", [ "vPosition"], [ 0, 0, 0, 1 ], 1); | |
| 158 shouldBeNonNull("gl"); | |
| 159 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 160 var prog = gl.getParameter(gl.CURRENT_PROGRAM); | |
| 161 shouldBeNonNull("prog"); | |
| 162 drawAndCheckPixels(gl); | |
| 163 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 164 debug(""); | |
| 165 | |
| 166 debug("Test long local variable name"); | |
| 167 var gl = initWebGL("example", "vshader_varying", "fshader_varying", [ "vPosition"], [ 0, 0, 0, 1 ], 1); | |
| 168 shouldBeNonNull("gl"); | |
| 169 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 170 var prog = gl.getParameter(gl.CURRENT_PROGRAM); | |
| 171 shouldBeNonNull("prog"); | |
| 172 drawAndCheckPixels(gl); | |
| 173 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 174 debug(""); | |
| 175 | |
| 176 debug("Test long attribute name"); | |
| 177 var gl = initWebGL("example", "vshader_attrib", "fshader_attrib", [ "vPosition0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456"], [ 0, 0, 0, 1 ], 1); | |
| 178 shouldBeNonNull("gl"); | |
| 179 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 180 var prog = gl.getParameter(gl.CURRENT_PROGRAM); | |
| 181 shouldBeNonNull("prog"); | |
| 182 shouldBe("gl.getProgramParameter(prog, gl.ACTIVE_ATTRIBUTES)", "1"); | |
| 183 var activeAttrib = gl.getActiveAttrib(prog, 0); | |
| 184 shouldBeNonNull("activeAttrib"); | |
| 185 shouldBe("activeAttrib.size", "1"); | |
| 186 shouldBe("activeAttrib.type", "gl.FLOAT_VEC3"); | |
| 187 shouldBe("activeAttrib.name", "'vPosition0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456'"); | |
| 188 drawAndCheckPixels(gl); | |
| 189 shouldBe("gl.getError()", "gl.NO_ERROR"); | |
| 190 debug(""); | |
| 191 | |
| 192 | |
| 193 function fail(x, y, buf, shouldBe) | |
| 194 { | |
| 195 var i = (y*50+x) * 4; | |
| 196 var reason = "pixel at ("+x+","+y+") is ("+buf[i]+","+buf[i+1]+","+buf[i+2]+","+buf[i+3]+"), should be "+shouldBe; | |
| 197 testFailed(reason); | |
| 198 } | |
| 199 | |
| 200 function pass() | |
| 201 { | |
| 202 testPassed("drawing is correct"); | |
| 203 } | |
| 204 | |
| 205 function drawAndCheckPixels(gl) | |
| 206 { | |
| 207 var vertexObject = gl.createBuffer(); | |
| 208 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); | |
| 209 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW); | |
| 210 gl.enableVertexAttribArray(0); | |
| 211 gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); | |
| 212 | |
| 213 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 214 gl.drawArrays(gl.TRIANGLES, 0, 3); | |
| 215 | |
| 216 var buf = new Uint8Array(50 * 50 * 4); | |
| 217 gl.readPixels(0, 0, 50, 50, gl.RGBA, gl.UNSIGNED_BYTE, buf); | |
| 218 | |
| 219 // Test several locations | |
| 220 // First line should be all black | |
| 221 for (var i = 0; i < 50; ++i) | |
| 222 if (buf[i*4] != 0 || buf[i*4+1] != 0 || buf[i*4+2] != 0 || buf[i*4+3] != 255) { | |
| 223 fail(i, 0, buf, "(0,0,0,255)"); | |
| 224 return; | |
| 225 } | |
| 226 | |
| 227 // Line 15 should be magenta for at least 10 pixels starting 20 pixels in | |
| 228 var offset = (15*50+20) * 4; | |
| 229 for (var i = 0; i < 10; ++i) | |
| 230 if (buf[offset+i*4] != 255 || buf[offset+i*4+1] != 0 || buf[offset+i*4+2] != 255 || buf[offset+i*4+3] != 255) { | |
| 231 fail(20 + i, 15, buf, "(255,0,255,255)"); | |
| 232 return; | |
| 233 } | |
| 234 // Last line should be all black | |
| 235 offset = (49*50) * 4; | |
| 236 for (var i = 0; i < 50; ++i) | |
| 237 if (buf[offset+i*4] != 0 || buf[offset+i*4+1] != 0 || buf[offset+i*4+2] != 0 || buf[offset+i*4+3] != 255) { | |
| 238 fail(i, 49, buf, "(0,0,0,255)"); | |
| 239 return; | |
| 240 } | |
| 241 | |
| 242 pass(); | |
| 243 } | |
| 244 | |
| 245 successfullyParsed = true; | |
| 246 </script> | |
| 247 <script>finishTest();</script> | |
| 248 </body> | |
| 249 </html> |
