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57 lines
1.6 KiB
57 lines
1.6 KiB
/*
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* Copyright 2019 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SKSL_DEFINES
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#define SKSL_DEFINES
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#include <cstdint>
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#include "include/core/SkTypes.h"
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#include "include/private/SkTArray.h"
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#if defined(SK_BUILD_FOR_IOS) && \
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(!defined(__IPHONE_9_0) || __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0)
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#define SKSL_USE_THREAD_LOCAL 0
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#else
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#define SKSL_USE_THREAD_LOCAL 1
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#endif
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using SKSL_INT = int64_t;
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using SKSL_FLOAT = float;
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namespace SkSL {
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class Expression;
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class Statement;
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using ComponentArray = SkSTArray<4, int8_t>; // for Swizzles
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using ExpressionArray = SkSTArray<2, std::unique_ptr<Expression>>;
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using StatementArray = SkSTArray<2, std::unique_ptr<Statement>>;
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// Functions larger than this (measured in IR nodes) will not be inlined. This growth factor
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// accounts for the number of calls being inlined--i.e., a function called five times (that is, with
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// five inlining opportunities) would be considered 5x larger than if it were called once. This
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// default threshold value is arbitrary, but tends to work well in practice.
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static constexpr int kDefaultInlineThreshold = 50;
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// The SwizzleComponent namespace is used both by the SkSL::Swizzle expression, and the DSL swizzle.
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// This namespace is injected into SkSL::dsl so that `using namespace SkSL::dsl` enables DSL code
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// like `Swizzle(var, X, Y, ONE)` to compile without any extra qualifications.
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namespace SwizzleComponent {
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enum Type : int8_t {
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X = 0, Y = 1, Z = 2, W = 3,
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R = 0, G = 1, B = 2, A = 3,
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ZERO,
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ONE
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};
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} // namespace SwizzleComponent
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} // namespace SkSL
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#endif
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