1 /* 2 * Copyright 2019 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SKSL_DEFINES 9 #define SKSL_DEFINES 10 11 #include <cstdint> 12 13 #include "include/core/SkTypes.h" 14 #include "include/private/base/SkTArray.h" 15 16 using SKSL_INT = int64_t; 17 using SKSL_FLOAT = float; 18 19 namespace SkSL { 20 21 class Expression; 22 class Statement; 23 24 class ExpressionArray : public skia_private::STArray<2, std::unique_ptr<Expression>> { 25 public: 26 using STArray::STArray; 27 28 /** Returns a new ExpressionArray containing a clone of every element. */ 29 ExpressionArray clone() const; 30 }; 31 32 using StatementArray = skia_private::STArray<2, std::unique_ptr<Statement>>; 33 34 // Functions larger than this (measured in IR nodes) will not be inlined. This growth factor 35 // accounts for the number of calls being inlined--i.e., a function called five times (that is, with 36 // five inlining opportunities) would be considered 5x larger than if it were called once. This 37 // default threshold value is arbitrary, but tends to work well in practice. 38 static constexpr int kDefaultInlineThreshold = 50; 39 40 // A hard upper limit on the number of variable slots allowed in a function/global scope. 41 // This is an arbitrary limit, but is needed to prevent code generation from taking unbounded 42 // amounts of time or space. 43 static constexpr int kVariableSlotLimit = 100000; 44 45 } // namespace SkSL 46 47 #endif 48