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1 /* | |
2 * Copyright 2016 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_INTERFACEBLOCK | |
9 #define SKSL_INTERFACEBLOCK | |
10 | |
11 #include "SkSLProgramElement.h" | |
12 #include "SkSLVarDeclaration.h" | |
13 | |
14 namespace SkSL { | |
15 | |
16 /** | |
17 * An interface block, as in: | |
18 * | |
19 * out gl_PerVertex { | |
20 * layout(builtin=0) vec4 gl_Position; | |
21 * layout(builtin=1) float gl_PointSize; | |
22 * }; | |
23 * | |
24 * At the IR level, this is represented by a single variable of struct type. | |
25 */ | |
26 struct InterfaceBlock : public ProgramElement { | |
27 InterfaceBlock(Position position, std::shared_ptr<Variable> var) | |
28 : INHERITED(position, kInterfaceBlock_Kind) | |
29 , fVariable(var) { | |
dogben
2016/06/22 17:43:57
nit: std::move
| |
30 ASSERT(var->fType->kind() == Type::kStruct_Kind); | |
31 } | |
32 | |
33 std::string description() const override { | |
34 std::string result = fVariable->fModifiers.description() + fVariable->fN ame + " {\n"; | |
35 for (size_t i = 0; i < fVariable->fType->fields().size(); i++) { | |
36 result += fVariable->fType->fields()[i].description() + "\n"; | |
37 } | |
38 result += "};"; | |
39 return result; | |
40 } | |
41 | |
42 const std::shared_ptr<Variable> fVariable; | |
43 | |
44 typedef ProgramElement INHERITED; | |
45 }; | |
46 | |
47 } // namespace | |
48 | |
49 #endif | |
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