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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 ActiveTexture BindTexture conformance test #2</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 </head> | |
| 15 <body> | |
| 16 <canvas id="example" width="2" height="2" style="width: 40px; height: 40px;"></c
anvas> | |
| 17 <canvas id="canvas2d" width="1" height="1" style="width: 40px; height: 40px;"></
canvas> | |
| 18 <div id="description"></div> | |
| 19 <div id="console"></div> | |
| 20 <script id="vshader" type="x-shader/x-vertex"> | |
| 21 uniform mat4 world; | |
| 22 attribute vec3 vPosition; | |
| 23 attribute vec2 texCoord0; | |
| 24 varying vec2 texCoord; | |
| 25 void main() | |
| 26 { | |
| 27 gl_Position = world * vec4(vPosition, 1); | |
| 28 texCoord = texCoord0; | |
| 29 } | |
| 30 </script> | |
| 31 <script id="fshader2d" type="x-shader/x-fragment"> | |
| 32 precision mediump float; | |
| 33 | |
| 34 uniform sampler2D tex2d; | |
| 35 varying vec2 texCoord; | |
| 36 void main() | |
| 37 { | |
| 38 gl_FragColor = texture2D(tex2d, texCoord); | |
| 39 } | |
| 40 </script> | |
| 41 <script id="fshaderCube" type="x-shader/x-fragment"> | |
| 42 precision mediump float; | |
| 43 | |
| 44 uniform samplerCube texCube; | |
| 45 void main() | |
| 46 { | |
| 47 gl_FragColor = textureCube(texCube, vec3(0,1,0)); | |
| 48 } | |
| 49 </script> | |
| 50 | |
| 51 <script> | |
| 52 function init() | |
| 53 { | |
| 54 if (window.initNonKhronosFramework) { | |
| 55 window.initNonKhronosFramework(false); | |
| 56 } | |
| 57 | |
| 58 debug("Tests that binding both TEXTURE_2D and TEXTURE_CUBE_MAP to the same"); | |
| 59 debug("active texture unit works as long as they are not used"); | |
| 60 debug("simultaneously in the same shader program."); | |
| 61 debug(""); | |
| 62 | |
| 63 var canvas2d = document.getElementById("canvas2d"); | |
| 64 var ctx2d = canvas2d.getContext("2d"); | |
| 65 ctx2d.globalCompositeOperation = "copy"; | |
| 66 | |
| 67 gl = initWebGL("example", "vshader", "fshader2d", ["vPosition", "texCoord0"], | |
| 68 [ 0, 0, 0, 1 ], 1); | |
| 69 | |
| 70 var program2d = gl.program; | |
| 71 var programCube = createProgram( | |
| 72 gl, "vshader", "fshaderCube", ["vPosition", "texCoord0"]); | |
| 73 | |
| 74 gl.disable(gl.DEPTH_TEST); | |
| 75 gl.disable(gl.BLEND); | |
| 76 | |
| 77 var vertexObject = gl.createBuffer(); | |
| 78 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); | |
| 79 gl.bufferData( | |
| 80 gl.ARRAY_BUFFER, | |
| 81 new Float32Array([-1, 1,0, 1,1,0, -1,-1,0, | |
| 82 -1,-1,0, 1,1,0, 1,-1,0]), | |
| 83 gl.STATIC_DRAW); | |
| 84 gl.enableVertexAttribArray(0); | |
| 85 gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); | |
| 86 | |
| 87 var vertexObject = gl.createBuffer(); | |
| 88 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); | |
| 89 gl.bufferData( | |
| 90 gl.ARRAY_BUFFER, | |
| 91 new Float32Array([ 0,0, 1,0, 0,1, | |
| 92 0,1, 1,0, 1,1]), | |
| 93 gl.STATIC_DRAW); | |
| 94 gl.enableVertexAttribArray(1); | |
| 95 gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 0, 0); | |
| 96 | |
| 97 // Make texture unit 1 active. | |
| 98 gl.activeTexture(gl.TEXTURE1); | |
| 99 | |
| 100 // Make a 2d texture | |
| 101 var tex2d = gl.createTexture(); | |
| 102 gl.bindTexture(gl.TEXTURE_2D, tex2d); | |
| 103 ctx2d.fillStyle = "rgba(0, 0, 255, 255)"; | |
| 104 ctx2d.fillRect(0, 0, 1, 1); | |
| 105 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d); | |
| 106 | |
| 107 // make a cube texture | |
| 108 var texCube = gl.createTexture(); | |
| 109 gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCube); | |
| 110 ctx2d.fillStyle = "rgba(255, 0, 255, 255)"; | |
| 111 ctx2d.fillRect(0, 0, 1, 1); | |
| 112 var targets = [ | |
| 113 gl.TEXTURE_CUBE_MAP_POSITIVE_X, | |
| 114 gl.TEXTURE_CUBE_MAP_NEGATIVE_X, | |
| 115 gl.TEXTURE_CUBE_MAP_POSITIVE_Y, | |
| 116 gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, | |
| 117 gl.TEXTURE_CUBE_MAP_POSITIVE_Z, | |
| 118 gl.TEXTURE_CUBE_MAP_NEGATIVE_Z]; | |
| 119 for (var ii = 0; ii < targets.length; ++ii) { | |
| 120 gl.texImage2D(targets[ii], 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d); | |
| 121 } | |
| 122 | |
| 123 // Setup program2d and programCube | |
| 124 var tex2dLoc = gl.getUniformLocation(program2d, "tex2d"); | |
| 125 var world2dLoc = gl.getUniformLocation(program2d, "world"); | |
| 126 var texCubeLoc = gl.getUniformLocation(programCube, "texCube"); | |
| 127 var worldCubeLoc = gl.getUniformLocation(programCube, "world"); | |
| 128 | |
| 129 gl.useProgram(program2d); | |
| 130 gl.uniform1i(tex2dLoc, 1); | |
| 131 gl.useProgram(programCube); | |
| 132 gl.uniform1i(texCubeLoc, 1); | |
| 133 | |
| 134 gl.clearColor(1,0,0,1); | |
| 135 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 136 | |
| 137 var programs = [program2d, programCube]; | |
| 138 var worldLocs = [world2dLoc, worldCubeLoc]; | |
| 139 for (var ii = 0; ii < 4; ++ii) { | |
| 140 var x = ii % 2; | |
| 141 var y = Math.floor(ii / 2); | |
| 142 gl.useProgram(programs[x]); | |
| 143 gl.uniformMatrix4fv( | |
| 144 worldLocs[x], false, | |
| 145 [0.5, 0, 0, 0, | |
| 146 0, 0.5, 0, 0, | |
| 147 0, 0, 1, 0, | |
| 148 -0.5 + x, -0.5 + y, 0, 1]); | |
| 149 gl.drawArrays(gl.TRIANGLES, 0, 6); | |
| 150 } | |
| 151 | |
| 152 var colors = [ | |
| 153 [0,0,255,255], | |
| 154 [255,0,255,255], | |
| 155 [0,0,255,255], | |
| 156 [255,0,255,255]]; | |
| 157 | |
| 158 for (var ii = 0; ii < colors.length; ++ii) { | |
| 159 var c = colors[ii]; | |
| 160 var x = ii % 2; | |
| 161 var y = Math.floor(ii / 2); | |
| 162 var buf = new Uint8Array(4); | |
| 163 gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, buf); | |
| 164 var msg = 'expected:' + | |
| 165 c[0] + ', ' + c[1] + ', ' + c[2] + ', ' + c[3] + ' found: ' + | |
| 166 buf[0] + ', ' + | |
| 167 buf[1] + ', ' + | |
| 168 buf[2] + ', ' + | |
| 169 buf[3]; | |
| 170 if (buf[0] != c[0] || | |
| 171 buf[1] != c[1] || | |
| 172 buf[2] != c[2] || | |
| 173 buf[3] != c[3]) { | |
| 174 testFailed(msg); | |
| 175 return; | |
| 176 } | |
| 177 | |
| 178 testPassed(msg); | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 init(); | |
| 183 successfullyParsed = true; | |
| 184 </script> | |
| 185 <script src="../../resources/js-test-post.js"></script> | |
| 186 | |
| 187 </body> | |
| 188 </html> | |
| 189 | |
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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/