| /* |
| ** Copyright (c) 2015 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. |
| */ |
| |
| // This test relies on the surrounding web page defining a variable |
| // "contextVersion" which indicates what version of WebGL it's running |
| // on -- 1 for WebGL 1.0, 2 for WebGL 2.0, etc. |
| |
| "use strict"; |
| description(); |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("example", undefined, contextVersion); |
| |
| // 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' |
| ]; |
| |
| if (contextVersion > 1) { |
| targets = targets.concat([ |
| 'TEXTURE_2D_ARRAY', |
| 'TEXTURE_2D_ARRAY', |
| 'TEXTURE_3D', |
| 'TEXTURE_3D' |
| ]); |
| } |
| |
| // 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); |
| } |
| |
| wtu.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: 'MIRRORED_REPEAT', 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' } |
| ]; |
| |
| if (contextVersion > 1) { |
| states = states.concat([ |
| { state: 'TEXTURE_WRAP_R', default: 'REPEAT', value1: 'CLAMP_TO_EDGE', value2: 'MIRRORED_REPEAT' }, |
| { state: 'TEXTURE_COMPARE_FUNC', default: 'LEQUAL', value1: 'GREATER', value2: 'LESS' }, |
| { state: 'TEXTURE_COMPARE_MODE', default: 'NONE', value1: 'COMPARE_REF_TO_TEXTURE', value2: 'NONE' }, |
| { state: 'TEXTURE_BASE_LEVEL', default: 0, value1: 100, value2: 99 }, |
| { state: 'TEXTURE_MAX_LEVEL', default: 1000, value1: 800, value2: 300 }, |
| { state: 'TEXTURE_MIN_LOD', default: -1000.0, value1: -500.0, value2: -999.0 }, |
| { state: 'TEXTURE_MAX_LOD', default: 1000.0, value1: 500.0, value2: 999.0 }, |
| // Note: For TEXTURE_IMMUTABLE_LEVELS and TEXTURE_IMMUTABLE_FORMAT, |
| // these two pname are used by getTexParameter API only, not available in texParameter[fi] in specifications. |
| // Thus, these two states store default value only. |
| { state: 'TEXTURE_IMMUTABLE_LEVELS', default: 0, }, |
| { state: 'TEXTURE_IMMUTABLE_FORMAT', default: false, } |
| ]); |
| } |
| |
| function getStateInfoValue(stateInfo, item, method) { |
| switch (stateInfo.state) { |
| case 'TEXTURE_WRAP_R': |
| case 'TEXTURE_WRAP_S': |
| case 'TEXTURE_WRAP_T': |
| case 'TEXTURE_MAG_FILTER': |
| case 'TEXTURE_MIN_FILTER': |
| case 'TEXTURE_COMPARE_FUNC': |
| case 'TEXTURE_COMPARE_MODE': |
| if (method === 'Get') { |
| return 'gl["' + stateInfo[item] + '"]'; |
| } else if (method === 'Set') { |
| return gl[stateInfo[item]]; |
| } |
| break; |
| case 'TEXTURE_BASE_LEVEL': |
| case 'TEXTURE_MAX_LEVEL': |
| case 'TEXTURE_MIN_LOD': |
| case 'TEXTURE_MAX_LOD': |
| if (method === 'Get') { |
| return '' + stateInfo[item]; |
| } else if (method === 'Set') { |
| return stateInfo[item]; |
| } |
| break; |
| case 'TEXTURE_IMMUTABLE_LEVELS': |
| case 'TEXTURE_IMMUTABLE_FORMAT': |
| // Return default value only. |
| return '' + stateInfo.default; |
| default: |
| wtu.error("Not reached!"); |
| return null; |
| break; |
| } |
| } |
| |
| 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 = getStateInfoValue(stateInfo, 'default', 'Get'); |
| shouldBe(a, b); |
| }); |
| |
| // test new state |
| applyStates(function(target, stateInfo) { |
| switch (stateInfo.state) { |
| case 'TEXTURE_IMMUTABLE_FORMAT': |
| case 'TEXTURE_IMMUTABLE_LEVELS': |
| // Skip these two pname for texParameterf[fi]. |
| break; |
| case 'TEXTURE_MIN_LOD': |
| case 'TEXTURE_MAX_LOD': |
| gl.texParameterf(gl[target], gl[stateInfo.state], getStateInfoValue(stateInfo, 'value1', 'Set')); |
| break; |
| default: |
| gl.texParameteri(gl[target], gl[stateInfo.state], getStateInfoValue(stateInfo, 'value1', 'Set')); |
| break; |
| } |
| }); |
| |
| applyStates(function(target, stateInfo) { |
| var a = 'gl.getTexParameter(gl["' + target + '"], gl["' + stateInfo.state + '"])'; |
| var b = getStateInfoValue(stateInfo, 'value1', 'Get'); |
| shouldBe(a, b); |
| }); |
| |
| // test different states on each target. |
| function getItem(count) { |
| return (count % 2) ? 'value2' : 'value1'; |
| } |
| |
| applyStates(function() { |
| var count = 0; |
| return function(target, stateInfo) { |
| switch (stateInfo.state) { |
| case 'TEXTURE_IMMUTABLE_FORMAT': |
| case 'TEXTURE_IMMUTABLE_LEVELS': |
| // Skip these two pname for texParameterf[fi]. |
| break; |
| case 'TEXTURE_MIN_LOD': |
| case 'TEXTURE_MAX_LOD': |
| gl.texParameterf(gl[target], gl[stateInfo.state], getStateInfoValue(stateInfo, getItem(count), 'Set')); |
| break; |
| default: |
| gl.texParameteri(gl[target], gl[stateInfo.state], getStateInfoValue(stateInfo, getItem(count), 'Set')); |
| break; |
| } |
| ++count; |
| } |
| }()); |
| |
| applyStates(function() { |
| var count = 0; |
| return function(target, stateInfo) { |
| var a = 'gl.getTexParameter(gl["' + target + '"], gl["' + stateInfo.state + '"])'; |
| var b = getStateInfoValue(stateInfo, getItem(count), 'Get'); |
| shouldBe(a, b); |
| ++count; |
| }; |
| }()); |
| |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors"); |
| |
| var successfullyParsed = true; |