1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
* Copyright 2021 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_CONSTRUCTOR_COMPOUND
#define SKSL_CONSTRUCTOR_COMPOUND
#include "include/private/SkSLDefines.h"
#include "include/private/SkSLIRNode.h"
#include "include/sksl/SkSLPosition.h"
#include "src/sksl/ir/SkSLConstructor.h"
#include "src/sksl/ir/SkSLExpression.h"
#include <memory>
#include <utility>
namespace SkSL {
class Context;
class Type;
/**
* Represents a vector or matrix that is composed from other expressions, such as
* `half3(pos.xy, 1)` or `mat3(a.xyz, b.xyz, 0, 0, 1)`
*
* These can contain a mix of scalars and aggregates. The total number of scalar values inside the
* constructor must always match the type's slot count. (e.g. `pos.xy` consumes two slots.)
* The inner values must have the same component type as the vector/matrix.
*/
class ConstructorCompound final : public MultiArgumentConstructor {
public:
inline static constexpr Kind kIRNodeKind = Kind::kConstructorCompound;
ConstructorCompound(Position pos, const Type& type, ExpressionArray args)
: INHERITED(pos, kIRNodeKind, &type, std::move(args)) {}
static std::unique_ptr<Expression> Make(const Context& context,
Position pos,
const Type& type,
ExpressionArray args);
std::unique_ptr<Expression> clone(Position pos) const override {
return std::make_unique<ConstructorCompound>(pos, this->type(), this->arguments().clone());
}
private:
using INHERITED = MultiArgumentConstructor;
};
} // namespace SkSL
#endif
|
