| <!-- |
| |
| /* |
| ** Copyright (c) 2012 The Khronos Group Inc. |
| ** |
| ** Permission is hereby granted, free of charge, to any person obtaining a |
| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
| ** without limitation the rights to use, copy, modify, merge, publish, |
| ** distribute, sublicense, and/or sell copies of the Materials, and to |
| ** permit persons to whom the Materials are furnished to do so, subject to |
| ** the following conditions: |
| ** |
| ** The above copyright notice and this permission notice shall be included |
| ** in all copies or substantial portions of the Materials. |
| ** |
| ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| */ |
| |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL getTexParameter test</title> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="../resources/webgl-test.js"> </script> |
| <script src="../resources/webgl-test-utils.js"> </script> |
| </head> |
| <body> |
| <canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| description(); |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("example"); |
| |
| // NOTE: We explicitly do this in a funky order |
| // to hopefully find subtle bugs. |
| |
| var targets = [ |
| 'TEXTURE_2D', |
| 'TEXTURE_2D', |
| 'TEXTURE_CUBE_MAP', |
| 'TEXTURE_CUBE_MAP' |
| ]; |
| // Create textures on different active textures. |
| for (var ii = 0; ii < targets.length; ++ii) { |
| var target = targets[ii]; |
| var tex = gl.createTexture(); |
| gl.activeTexture(gl.TEXTURE0 + ii); |
| gl.bindTexture(gl[target], tex); |
| } |
| |
| glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors"); |
| |
| var states = [ |
| { state:'TEXTURE_WRAP_S', default: 'REPEAT', value1: 'CLAMP_TO_EDGE', value2: 'REPEAT' }, |
| { state:'TEXTURE_WRAP_T', default: 'REPEAT', value1: 'CLAMP_TO_EDGE', value2: 'REPEAT' }, |
| { state:'TEXTURE_MAG_FILTER', default: 'LINEAR', value1: 'NEAREST', value2: 'LINEAR' }, |
| { state:'TEXTURE_MIN_FILTER', default: 'NEAREST_MIPMAP_LINEAR', value1: 'LINEAR_MIPMAP_LINEAR', value2: 'NEAREST' } |
| ]; |
| |
| function applyStates(fn) { |
| for (var ss = 0; ss < states.length; ++ss) { |
| var stateInfo = states[ss]; |
| for (var ii = 0; ii < targets.length; ++ii) { |
| var target = targets[ii]; |
| gl.activeTexture(gl.TEXTURE0 + ii); |
| fn(target, stateInfo); |
| } |
| } |
| } |
| |
| // test the default state. |
| applyStates(function(target, stateInfo) { |
| var a = 'gl.getTexParameter(gl["' + target + '"], gl["' + stateInfo.state + '"])'; |
| var b = 'gl["' + stateInfo.default + '"]'; |
| shouldBe(a, b); |
| }); |
| |
| // test new state |
| applyStates(function(target, stateInfo) { |
| gl.texParameteri(gl[target], gl[stateInfo.state], gl[stateInfo.value1]); |
| }); |
| |
| applyStates(function(target, stateInfo) { |
| var a = 'gl.getTexParameter(gl["' + target + '"], gl["' + stateInfo.state + '"])'; |
| var b = 'gl["' + stateInfo.value1 + '"]'; |
| shouldBe(a, b); |
| }); |
| |
| // test different states on each target. |
| function getStateValue(count, stateInfo) { |
| return (count % 2) ? stateInfo.value2 : stateInfo.value1; |
| } |
| |
| applyStates(function() { |
| var count = 0; |
| return function(target, stateInfo) { |
| gl.texParameteri(gl[target], gl[stateInfo.state], gl[getStateValue(count, stateInfo)]); |
| ++count; |
| } |
| }()); |
| |
| applyStates(function() { |
| var count = 0; |
| return function(target, stateInfo) { |
| var a = 'gl.getTexParameter(gl["' + target + '"], gl["' + stateInfo.state + '"])'; |
| var b = 'gl["' + getStateValue(count, stateInfo) + '"]'; |
| shouldBe(a, b); |
| ++count; |
| }; |
| }()); |
| |
| glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors"); |
| |
| var successfullyParsed = true; |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| |
| </body> |
| </html> |
| |
| |