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Diffstat (limited to '')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/js/tests/gl-get-tex-parameter.js | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/js/tests/gl-get-tex-parameter.js b/dom/canvas/test/webgl-conf/checkout/js/tests/gl-get-tex-parameter.js new file mode 100644 index 0000000000..8844bbf544 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/js/tests/gl-get-tex-parameter.js @@ -0,0 +1,183 @@ +/* +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +*/ + +// 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; |