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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluVarTypeUtil.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluVarTypeUtil.js')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluVarTypeUtil.js | 693 |
1 files changed, 693 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluVarTypeUtil.js b/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluVarTypeUtil.js new file mode 100644 index 0000000000..30e198a606 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluVarTypeUtil.js @@ -0,0 +1,693 @@ +/*------------------------------------------------------------------------- + * drawElements Quality Program OpenGL ES Utilities + * ------------------------------------------------ + * + * Copyright 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +'use strict'; +goog.provide('framework.opengl.gluVarTypeUtil'); +goog.require('framework.opengl.gluShaderUtil'); +goog.require('framework.opengl.gluVarType'); + +goog.scope(function() { + + var gluVarTypeUtil = framework.opengl.gluVarTypeUtil; + var gluVarType = framework.opengl.gluVarType; + var gluShaderUtil = framework.opengl.gluShaderUtil; + + gluVarTypeUtil.isNum = function(c) { return /^[0-9]$/.test(c); }; + gluVarTypeUtil.isAlpha = function(c) { return /^[a-zA-Z]$/.test(c); }; + gluVarTypeUtil.isIdentifierChar = function(c) { return /^[a-zA-Z0-9_]$/.test(c); }; + gluVarTypeUtil.array_op_equivalent = function(arr1, arr2) { + if (arr1.length != arr2.length) return false; + for (var i = 0; i < arr1.length; ++i) { + if (arr1[i].isnt(arr2[1])) return false; + } + return true; + }; + + /** + * gluVarTypeUtil.VarTokenizer class. + * @param {string} str + * @constructor + */ + gluVarTypeUtil.VarTokenizer = function(str) { + + /** @private */ + this.m_str = str; + /** @private */ + this.m_token = gluVarTypeUtil.VarTokenizer.s_Token.length; + /** @private */ + this.m_tokenStart = 0; + /** @private */ + this.m_tokenLen = 0; + + this.advance(); + + }; + gluVarTypeUtil.VarTokenizer.s_Token = { + IDENTIFIER: 0, + LEFT_BRACKET: 1, + RIGHT_BRACKET: 2, + PERIOD: 3, + NUMBER: 4, + END: 5 + }; + gluVarTypeUtil.VarTokenizer.s_Token.length = Object.keys(gluVarTypeUtil.VarTokenizer.s_Token).length; + + gluVarTypeUtil.VarTokenizer.prototype.getToken = function() { + return this.m_token; + }; + gluVarTypeUtil.VarTokenizer.prototype.getIdentifier = function() { + return this.m_str.substr(this.m_tokenStart, this.m_tokenLen); + }; + gluVarTypeUtil.VarTokenizer.prototype.getNumber = function() { + return parseInt(this.getIdentifier(), 10); + }; + gluVarTypeUtil.VarTokenizer.prototype.getCurrentTokenStartLocation = function() { + return this.m_tokenStart; + }; + gluVarTypeUtil.VarTokenizer.prototype.getCurrentTokenEndLocation = function() { + return this.m_tokenStart + this.m_tokenLen; + }; + + gluVarTypeUtil.VarTokenizer.prototype.advance = function() { + + if (this.m_token == gluVarTypeUtil.VarTokenizer.s_Token.END) { + throw new Error('No more tokens.'); + } + + this.m_tokenStart += this.m_tokenLen; + this.m_token = gluVarTypeUtil.VarTokenizer.s_Token.length; + this.m_tokenLen = 1; + + if (this.m_tokenStart >= this.m_str.length) { + this.m_token = gluVarTypeUtil.VarTokenizer.s_Token.END; + + } else if (this.m_str[this.m_tokenStart] == '[') { + this.m_token = gluVarTypeUtil.VarTokenizer.s_Token.LEFT_BRACKET; + + } else if (this.m_str[this.m_tokenStart] == ']') { + this.m_token = gluVarTypeUtil.VarTokenizer.s_Token.RIGHT_BRACKET; + + } else if (this.m_str[this.m_tokenStart] == '.') { + this.m_token = gluVarTypeUtil.VarTokenizer.s_Token.PERIOD; + + } else if (gluVarTypeUtil.isNum(this.m_str[this.m_tokenStart])) { + this.m_token = gluVarTypeUtil.VarTokenizer.s_Token.NUMBER; + while (gluVarTypeUtil.isNum(this.m_str[this.m_tokenStart + this.m_tokenLen])) { + this.m_tokenLen += 1; + } + + } else if (gluVarTypeUtil.isIdentifierChar(this.m_str[this.m_tokenStart])) { + this.m_token = gluVarTypeUtil.VarTokenizer.s_Token.IDENTIFIER; + while (gluVarTypeUtil.isIdentifierChar(this.m_str[this.m_tokenStart + this.m_tokenLen])) { + this.m_tokenLen += 1; + } + + } else { + throw new Error('Unexpected character'); + } + + }; + + /** + * VarType subtype path utilities class. + * @param {gluVarTypeUtil.VarTypeComponent.s_Type} type + * @param {number} index + * @constructor + */ + gluVarTypeUtil.VarTypeComponent = function(type, index) { + /** @type {gluVarTypeUtil.VarTypeComponent.s_Type} */ this.type = type; + this.index = index || 0; + }; + + gluVarTypeUtil.VarTypeComponent.prototype.is = function(other) { + return this.type == other.type && this.index == other.index; + }; + gluVarTypeUtil.VarTypeComponent.prototype.isnt = function(other) { + return this.type != other.type || this.index != other.index; + }; + + /** + * @enum + */ + gluVarTypeUtil.VarTypeComponent.s_Type = { + STRUCT_MEMBER: 0, + ARRAY_ELEMENT: 1, + MATRIX_COLUMN: 2, + VECTOR_COMPONENT: 3 + }; + + /** + * Type path formatter. + * @param {gluVarType.VarType} type_ + * @param {Array<gluVarTypeUtil.VarTypeComponent>} path_ + * @constructor + */ + gluVarTypeUtil.TypeAccessFormat = function(type_, path_) { + this.type = type_; + this.path = path_; + }; + + gluVarTypeUtil.TypeAccessFormat.prototype.toString = function() { + var curType = this.type; + var str = ''; + + for (var i = 0; i < this.path.length; i++) { + var iter = this.path[i]; + switch (iter.type) { + case gluVarTypeUtil.VarTypeComponent.s_Type.ARRAY_ELEMENT: + curType = curType.getElementType(); // Update current type. + // Fall-through. + + case gluVarTypeUtil.VarTypeComponent.s_Type.MATRIX_COLUMN: + case gluVarTypeUtil.VarTypeComponent.s_Type.VECTOR_COMPONENT: + str += '[' + iter.index + ']'; + break; + + case gluVarTypeUtil.VarTypeComponent.s_Type.STRUCT_MEMBER: { + var member = curType.getStruct().getMember(i); + str += '.' + member.getName(); + curType = member.getType(); + break; + } + + default: + throw new Error('Unrecognized type:' + iter.type); + } + } + + return str; + }; + + /** gluVarTypeUtil.SubTypeAccess + * @param {gluVarType.VarType} type + * @constructor + */ + gluVarTypeUtil.SubTypeAccess = function(type) { + + this.m_type = null; // VarType + this.m_path = []; // TypeComponentVector + + }; + + /** @private */ + gluVarTypeUtil.SubTypeAccess.prototype.helper = function(type, ndx) { + this.m_path.push(new gluVarTypeUtil.VarTypeComponent(type, ndx)); + if (!this.isValid()) { + throw new Error; + } + return this; + }; + + gluVarTypeUtil.SubTypeAccess.prototype.member = function(ndx) { + return this.helper(gluVarTypeUtil.VarTypeComponent.s_Type.STRUCT_MEMBER, ndx); + }; + gluVarTypeUtil.SubTypeAccess.prototype.element = function(ndx) { + return this.helper(gluVarTypeUtil.VarTypeComponent.s_Type.ARRAY_ELEMENT, ndx); + }; + gluVarTypeUtil.SubTypeAccess.prototype.column = function(ndx) { + return this.helper(gluVarTypeUtil.VarTypeComponent.s_Type.MATRIX_COLUMN, ndx); + }; + gluVarTypeUtil.SubTypeAccess.prototype.component = function(ndx) { + return this.helper(gluVarTypeUtil.VarTypeComponent.s_Type.VECTOR_COMPONENT, ndx); + }; + gluVarTypeUtil.SubTypeAccess.prototype.parent = function() { + if (!this.m_path.length) { + throw new Error; + } + this.m_path.pop(); + return this; + }; + + gluVarTypeUtil.SubTypeAccess.prototype.isValid = function() { + return gluVarTypeUtil.isValidTypePath(this.m_type, this.m_path); + }; + gluVarTypeUtil.SubTypeAccess.prototype.getType = function() { + return gluVarTypeUtil.getVarType(this.m_type, this.m_path); + }; + gluVarTypeUtil.SubTypeAccess.prototype.getPath = function() { + return this.m_path; + }; + gluVarTypeUtil.SubTypeAccess.prototype.empty = function() { + return !this.m_path.length; + }; + gluVarTypeUtil.SubTypeAccess.prototype.is = function(other) { + return ( + gluVarTypeUtil.array_op_equivalent(this.m_path, other.m_path) && + this.m_type.is(other.m_type) + ); + }; + gluVarTypeUtil.SubTypeAccess.prototype.isnt = function(other) { + return ( + !gluVarTypeUtil.array_op_equivalent(this.m_path, other.m_path) || + this.m_type.isnt(other.m_type) + ); + }; + + /** + * Subtype iterator parent class. + * basic usage for all child classes: + * for (var i = new gluVarTypeUtil.BasicTypeIterator(type) ; !i.end() ; i.next()) { + * var j = i.getType(); + * } + * @constructor + */ + gluVarTypeUtil.SubTypeIterator = function(type) { + + /** @private */ + this.m_type = null; // const VarType* + /** @private */ + this.m_path = []; // TypeComponentVector + + if (type) { + this.m_type = type; + this.findNext(); + } + + }; + + gluVarTypeUtil.SubTypeIterator.prototype.isExpanded = function(type) { + throw new Error('This function must be overriden in child class'); + }; + + /** removeTraversed + * @private + */ + gluVarTypeUtil.SubTypeIterator.prototype.removeTraversed = function() { + + while (this.m_path.length) { + var curComp = this.m_path[this.m_path.length - 1]; // gluVarTypeUtil.VarTypeComponent& + var parentType = gluVarTypeUtil.getVarType(this.m_type, this.m_path, 0, this.m_path.length - 1); // VarType + + if (curComp.type == gluVarTypeUtil.VarTypeComponent.s_Type.MATRIX_COLUMN) { + if (!gluShaderUtil.isDataTypeMatrix(parentType.getBasicType())) { + throw new Error('Isn\'t a matrix.'); + } + if (curComp.index + 1 < gluShaderUtil.getDataTypeMatrixNumColumns(parentType.getBasicType())) { + break; + } + + } else if (curComp.type == gluVarTypeUtil.VarTypeComponent.s_Type.VECTOR_COMPONENT) { + if (!gluShaderUtil.isDataTypeVector(parentType.getBasicType())) { + throw new Error('Isn\'t a vector.'); + } + if (curComp.index + 1 < gluShaderUtil.getDataTypeScalarSize(parentType.getBasicType())) { + break; + } + + } else if (curComp.type == gluVarTypeUtil.VarTypeComponent.s_Type.ARRAY_ELEMENT) { + if (!parentType.isArrayType()) { + throw new Error('Isn\'t an array.'); + } + if (curComp.index + 1 < parentType.getArraySize()) { + break; + } + + } else if (curComp.type == gluVarTypeUtil.VarTypeComponent.s_Type.STRUCT_MEMBER) { + if (!parentType.isStructType()) { + throw new Error('Isn\'t a struct.'); + } + if (curComp.index + 1 < parentType.getStruct().getNumMembers()) { + break; + } + + } + + this.m_path.pop(); + } + }; + gluVarTypeUtil.SubTypeIterator.prototype.findNext = function() { + + if (this.m_path.length > 0) { + // Increment child counter in current level. + var curComp = this.m_path[this.m_path.length - 1]; // gluVarTypeUtil.VarTypeComponent& + curComp.index += 1; + } + + for (;;) { + + var curType = gluVarTypeUtil.getVarType(this.m_type, this.m_path); // VarType + + if (this.isExpanded(curType)) + break; + + // Recurse into child type. + if (curType.isBasicType()) { + var basicType = curType.getBasicType(); // DataType + + if (gluShaderUtil.isDataTypeMatrix(basicType)) { + this.m_path.push(new gluVarTypeUtil.VarTypeComponent(gluVarTypeUtil.VarTypeComponent.s_Type.MATRIX_COLUMN, 0)); + + } else if (gluShaderUtil.isDataTypeVector(basicType)) { + this.m_path.push(new gluVarTypeUtil.VarTypeComponent(gluVarTypeUtil.VarTypeComponent.s_Type.VECTOR_COMPONENT, 0)); + + } else { + throw new Error('Cant expand scalars - isExpanded() is buggy.'); + } + + } else if (curType.isArrayType()) { + this.m_path.push(new gluVarTypeUtil.VarTypeComponent(gluVarTypeUtil.VarTypeComponent.s_Type.ARRAY_ELEMENT, 0)); + + } else if (curType.isStructType()) { + this.m_path.push(new gluVarTypeUtil.VarTypeComponent(gluVarTypeUtil.VarTypeComponent.s_Type.STRUCT_MEMBER, 0)); + + } else { + throw new Error(); + } + } + + }; + gluVarTypeUtil.SubTypeIterator.prototype.end = function() { + return (this.m_type == null); + }; + /** next + * equivelant to operator++(), doesnt return. + */ + gluVarTypeUtil.SubTypeIterator.prototype.next = function() { + if (this.m_path.length > 0) { + // Remove traversed nodes. + this.removeTraversed(); + + if (this.m_path.length > 0) + this.findNext(); + else + this.m_type = null; // Unset type to signal end. + } else { + if (!this.isExpanded(gluVarTypeUtil.getVarType(this.m_type, this.m_path))) { + throw new Error('First type was already expanded.'); + } + this.m_type = null; + } + }; + gluVarTypeUtil.SubTypeIterator.prototype.getType = function() { + return gluVarTypeUtil.getVarType(this.m_type, this.m_path); + }; + gluVarTypeUtil.SubTypeIterator.prototype.getPath = function() { + return this.m_path; + }; + + gluVarTypeUtil.SubTypeIterator.prototype.toString = function() { + var x = new gluVarTypeUtil.TypeAccessFormat(this.m_type, this.m_path); + return x.toString(); + }; + + /** gluVarTypeUtil.BasicTypeIterator + * @param {gluVarType.VarType} type + * @constructor + * @extends {gluVarTypeUtil.SubTypeIterator} + */ + gluVarTypeUtil.BasicTypeIterator = function(type) { + gluVarTypeUtil.SubTypeIterator.call(this, type); + }; + gluVarTypeUtil.BasicTypeIterator.prototype = Object.create(gluVarTypeUtil.SubTypeIterator.prototype); + gluVarTypeUtil.BasicTypeIterator.prototype.constructor = gluVarTypeUtil.BasicTypeIterator; + + gluVarTypeUtil.BasicTypeIterator.prototype.isExpanded = function(type) { + return type.isBasicType(); + }; + + /** gluVarTypeUtil.VectorTypeIterator + * @param {gluVarType.VarType} type + * @constructor + * @extends {gluVarTypeUtil.SubTypeIterator} + */ + gluVarTypeUtil.VectorTypeIterator = function(type) { + gluVarTypeUtil.SubTypeIterator.call(this, type); + }; + gluVarTypeUtil.VectorTypeIterator.prototype = Object.create(gluVarTypeUtil.SubTypeIterator.prototype); + gluVarTypeUtil.VectorTypeIterator.prototype.constructor = gluVarTypeUtil.VectorTypeIterator; + + gluVarTypeUtil.VectorTypeIterator.prototype.isExpanded = function(type) { + return type.isBasicType() && gluShaderUtil.isDataTypeScalarOrVector(type.getBasicType()); + }; + + /** gluVarTypeUtil.ScalarTypeIterator + * @param {gluVarType.VarType} type + * @constructor + * @extends {gluVarTypeUtil.SubTypeIterator} + */ + gluVarTypeUtil.ScalarTypeIterator = function(type) { + gluVarTypeUtil.SubTypeIterator.call(this, type); + }; + gluVarTypeUtil.ScalarTypeIterator.prototype = Object.create(gluVarTypeUtil.SubTypeIterator.prototype); + gluVarTypeUtil.ScalarTypeIterator.prototype.constructor = gluVarTypeUtil.ScalarTypeIterator; + + gluVarTypeUtil.ScalarTypeIterator.prototype.isExpanded = function(type) { + return type.isBasicType() && gluShaderUtil.isDataTypeScalar(type.getBasicType()); + }; + + gluVarTypeUtil.inBounds = (function(x, a, b) { return a <= x && x < b; }); + + /** gluVarTypeUtil.isValidTypePath + * @param {gluVarType.VarType} type + * @param {Array<gluVarTypeUtil.VarTypeComponent>} array + * @param {number=} begin + * @param {number=} end + * @return {boolean} + */ + gluVarTypeUtil.isValidTypePath = function(type, array, begin, end) { + + if (typeof(begin) == 'undefined') {begin = 0;} + if (typeof(end) == 'undefined') {begin = array.length;} + + var curType = type; // const VarType* + var pathIter = begin; // Iterator + + // Process struct member and array element parts of path. + while (pathIter != end) { + var element = array[pathIter]; + + if (element.type == gluVarTypeUtil.VarTypeComponent.s_Type.STRUCT_MEMBER) { + + if (!curType.isStructType() || !gluVarTypeUtil.inBounds(element.index, 0, curType.getStruct().getNumMembers())) { + return false; + } + + curType = curType.getStruct().getMember(element.index).getType(); + + } else if (element.type == gluVarTypeUtil.VarTypeComponent.s_Type.ARRAY_ELEMENT) { + if ( + !curType.isArrayType() || + ( + curType.getArraySize() != gluVarType.VarType.UNSIZED_ARRAY && + !gluVarTypeUtil.inBounds(element.index, 0, curType.getArraySize()) + ) + ) { + return false; + } + + curType = curType.getElementType(); + } else { + break; + } + + ++pathIter; + } + + if (pathIter != end) { + if (!( + array[pathIter].type == gluVarTypeUtil.VarTypeComponent.s_Type.MATRIX_COLUMN || + array[pathIter].type == gluVarTypeUtil.VarTypeComponent.s_Type.VECTOR_COMPONENT + )) { + throw new Error('Not a matrix or a vector'); + } + + // Current type should be basic type. + if (!curType.isBasicType()) { + return false; + } + + var basicType = curType.getBasicType(); // DataType + + if (array[pathIter].type == gluVarTypeUtil.VarTypeComponent.s_Type.MATRIX_COLUMN) { + if (!gluShaderUtil.isDataTypeMatrix(basicType)) { + return false; + } + + basicType = gluShaderUtil.getDataTypeFloatVec(gluShaderUtil.getDataTypeMatrixNumRows(basicType)); + ++pathIter; + } + + if (pathIter != end && array[pathIter].type == gluVarTypeUtil.VarTypeComponent.s_Type.VECTOR_COMPONENT) { + if (!gluShaderUtil.isDataTypeVector(basicType)) + return false; + + basicType = gluShaderUtil.getDataTypeScalarType(basicType); + ++pathIter; + } + } + + return pathIter == end; + }; + + /** gluVarTypeUtil.getVarType + * @param {gluVarType.VarType} type + * @param {Array<gluVarTypeUtil.VarTypeComponent>} array + * @param {number=} start + * @param {number=} end + * @return {gluVarType.VarType} + */ + gluVarTypeUtil.getVarType = function(type, array, start, end) { + + if (typeof(start) == 'undefined') start = 0; + if (typeof(end) == 'undefined') end = array.length; + + if (!gluVarTypeUtil.isValidTypePath(type, array, start, end)) { + throw new Error('Type is invalid'); + } + + var curType = type; // const VarType* + var element = null; // Iterator + var pathIter = 0; + + // Process struct member and array element parts of path. + for (pathIter = start; pathIter != end; ++pathIter) { + element = array[pathIter]; + + if (element.type == gluVarTypeUtil.VarTypeComponent.s_Type.STRUCT_MEMBER) { + curType = curType.getStruct().getMember(element.index).getType(); + + } else if (element.type == gluVarTypeUtil.VarTypeComponent.s_Type.ARRAY_ELEMENT) { + curType = curType.getElementType(); + + } else { + break; + + } + } + + if (pathIter != end) { + + var basicType = curType.getBasicType(); // DataType + var precision = curType.getPrecision(); // Precision + + if (element.type == gluVarTypeUtil.VarTypeComponent.s_Type.MATRIX_COLUMN) { + basicType = gluShaderUtil.getDataTypeFloatVec(gluShaderUtil.getDataTypeMatrixNumRows(basicType)); + element = array[++pathIter]; + } + + if (pathIter != end && element.type == gluVarTypeUtil.VarTypeComponent.s_Type.VECTOR_COMPONENT) { + basicType = gluShaderUtil.getDataTypeScalarTypeAsDataType(basicType); + element = array[++pathIter]; + } + + if (pathIter != end) { + throw new Error(); + } + return gluVarType.newTypeBasic(basicType, precision); + } else { + /* TODO: Original code created an object copy. We are returning reference to the same object */ + return curType; + } + }; + + gluVarTypeUtil.parseVariableName = function(nameWithPath) { + var tokenizer = new gluVarTypeUtil.VarTokenizer(nameWithPath); + if (tokenizer.getToken() != gluVarTypeUtil.VarTokenizer.s_Token.IDENTIFIER) { + throw new Error('Not an identifier.'); + } + return tokenizer.getIdentifier(); + }; + + // returns an array (TypeComponentVector& path) + // params: const char*, const VarType& + gluVarTypeUtil.parseTypePath = function(nameWithPath, type) { + + var tokenizer = new gluVarTypeUtil.VarTokenizer(nameWithPath); + + if (tokenizer.getToken() == gluVarTypeUtil.VarTokenizer.s_Token.IDENTIFIER) { + tokenizer.advance(); + } + + var path = []; + + while (tokenizer.getToken() != gluVarTypeUtil.VarTokenizer.s_Token.END) { + + var curType = gluVarTypeUtil.getVarType(type, path); + + if (tokenizer.getToken() == gluVarTypeUtil.VarTokenizer.s_Token.PERIOD) { + + tokenizer.advance(); + if (tokenizer.getToken() != gluVarTypeUtil.VarTokenizer.s_Token.IDENTIFIER) { + throw new Error(); + } + if (!curType.isStructType()) { + throw new Error('Invalid field selector'); + } + + // Find member. + var memberName = tokenizer.getIdentifier(); + var ndx = 0; + for (; ndx < curType.getStruct().getSize(); ++ndx) { + + if (memberName == curType.getStruct().getMember(ndx).getName()) { + break; + } + + } + if (ndx >= curType.getStruct().getSize()) { + throw new Error('Member not found in type: ' + memberName); + } + + path.push(new gluVarTypeUtil.VarTypeComponent(gluVarTypeUtil.VarTypeComponent.s_Type.STRUCT_MEMBER, ndx)); + tokenizer.advance(); + + } else if (tokenizer.getToken() == gluVarTypeUtil.VarTokenizer.s_Token.LEFT_BRACKET) { + + tokenizer.advance(); + if (tokenizer.getToken() != gluVarTypeUtil.VarTokenizer.s_Token.NUMBER) { + throw new Error(); + } + + var ndx = tokenizer.getNumber(); + + if (curType.isArrayType()) { + if (!gluVarTypeUtil.inBounds(ndx, 0, curType.getArraySize())) throw new Error; + path.push(new gluVarTypeUtil.VarTypeComponent(gluVarTypeUtil.VarTypeComponent.s_Type.ARRAY_ELEMENT, ndx)); + + } else if (curType.isBasicType() && gluShaderUtil.isDataTypeMatrix(curType.getBasicType())) { + if (!gluVarTypeUtil.inBounds(ndx, 0, gluShaderUtil.getDataTypeMatrixNumColumns(curType.getBasicType()))) throw new Error; + path.push(new gluVarTypeUtil.VarTypeComponent(gluVarTypeUtil.VarTypeComponent.s_Type.MATRIX_COLUMN, ndx)); + + } else if (curType.isBasicType() && gluShaderUtil.isDataTypeVector(curType.getBasicType())) { + if (!gluVarTypeUtil.inBounds(ndx, 0, gluShaderUtil.getDataTypeScalarSize(curType.getBasicType()))) throw new Error; + path.push(new gluVarTypeUtil.VarTypeComponent(gluVarTypeUtil.VarTypeComponent.s_Type.VECTOR_COMPONENT, ndx)); + + } else { + //TCU_FAIL + throw new Error('Invalid subscript'); + } + + tokenizer.advance(); + if (tokenizer.getToken() != gluVarTypeUtil.VarTokenizer.s_Token.RIGHT_BRACKET) { + throw new Error('Expected token RIGHT_BRACKET'); + } + tokenizer.advance(); + + } else { + // TCU_FAIL + throw new Error('Unexpected token'); + } + } + + return path; + + }; + +}); |