// // Copyright (C) 2002-2005 3Dlabs Inc. Ltd. // Copyright (C) 2012-2013 LunarG, Inc. // // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // // Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // // Neither the name of 3Dlabs Inc. Ltd. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGE. // // // Implement types for tracking GLSL arrays, arrays of arrays, etc. // #ifndef _ARRAYS_INCLUDED #define _ARRAYS_INCLUDED #include <algorithm> namespace glslang { // This is used to mean there is no size yet (unsized), it is waiting to get a size from somewhere else. const int UnsizedArraySize = …; class TIntermTyped; extern bool SameSpecializationConstants(TIntermTyped*, TIntermTyped*); // Specialization constants need both a nominal size and a node that defines // the specialization constant being used. Array types are the same when their // size and specialization constant nodes are the same. struct TArraySize { … }; // // TSmallArrayVector is used as the container for the set of sizes in TArraySizes. // It has generic-container semantics, while TArraySizes has array-of-array semantics. // That is, TSmallArrayVector should be more focused on mechanism and TArraySizes on policy. // struct TSmallArrayVector { … }; // // Represent an array, or array of arrays, to arbitrary depth. This is not // done through a hierarchy of types in a type tree, rather all contiguous arrayness // in the type hierarchy is localized into this single cumulative object. // // The arrayness in TTtype is a pointer, so that it can be non-allocated and zero // for the vast majority of types that are non-array types. // // Order Policy: these are all identical: // - left to right order within a contiguous set of ...[..][..][..]... in the source language // - index order 0, 1, 2, ... within the 'sizes' member below // - outer-most to inner-most // struct TArraySizes { … }; } // end namespace glslang #endif // _ARRAYS_INCLUDED_