0054311bf3
This reverts commit 6c48e4d11c.
Bug: skia:
Change-Id: I7ee78990fc30eec545d1856e59eb6e0573089426
Reviewed-on: https://skia-review.googlesource.com/144348
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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* Copyright 2016 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_FIELDACCESS
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#define SKSL_FIELDACCESS
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#include "SkSLExpression.h"
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#include "SkSLUtil.h"
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namespace SkSL {
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/**
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* An expression which extracts a field from a struct, as in 'foo.bar'.
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*/
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struct FieldAccess : public Expression {
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enum OwnerKind {
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kDefault_OwnerKind,
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// this field access is to a field of an anonymous interface block (and thus, the field name
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// is actually in global scope, so only the field name needs to be written in GLSL)
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kAnonymousInterfaceBlock_OwnerKind
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};
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FieldAccess(std::unique_ptr<Expression> base, int fieldIndex,
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OwnerKind ownerKind = kDefault_OwnerKind)
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: INHERITED(base->fOffset, kFieldAccess_Kind, *base->fType.fields()[fieldIndex].fType)
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, fBase(std::move(base))
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, fFieldIndex(fieldIndex)
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, fOwnerKind(ownerKind) {}
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bool hasSideEffects() const override {
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return fBase->hasSideEffects();
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}
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std::unique_ptr<Expression> clone() const override {
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return std::unique_ptr<Expression>(new FieldAccess(fBase->clone(), fFieldIndex,
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fOwnerKind));
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}
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String description() const override {
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return fBase->description() + "." + fBase->fType.fields()[fFieldIndex].fName;
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}
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std::unique_ptr<Expression> fBase;
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const int fFieldIndex;
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const OwnerKind fOwnerKind;
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typedef Expression INHERITED;
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};
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} // namespace
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#endif
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