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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_INTERFACEBLOCK
#define SKSL_INTERFACEBLOCK
#include "SkSLProgramElement.h"
#include "SkSLVarDeclarations.h"
namespace SkSL {
/**
* An interface block, as in:
*
* out gl_PerVertex {
* layout(builtin=0) vec4 gl_Position;
* layout(builtin=1) float gl_PointSize;
* };
*
* At the IR level, this is represented by a single variable of struct type.
*/
struct InterfaceBlock : public ProgramElement {
InterfaceBlock(Position position, const Variable& var, std::shared_ptr<SymbolTable> typeOwner)
: INHERITED(position, kInterfaceBlock_Kind)
, fVariable(std::move(var))
, fTypeOwner(typeOwner) {
ASSERT(fVariable.fType.kind() == Type::kStruct_Kind);
}
SkString description() const override {
SkString result = fVariable.fModifiers.description() + fVariable.fName + " {\n";
for (size_t i = 0; i < fVariable.fType.fields().size(); i++) {
result += fVariable.fType.fields()[i].description() + "\n";
}
result += "};";
return result;
}
const Variable& fVariable;
const std::shared_ptr<SymbolTable> fTypeOwner;
typedef ProgramElement INHERITED;
};
} // namespace
#endif
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