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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SKSL_ASTLAYOUT | 8 #ifndef SKSL_ASTLAYOUT |
9 #define SKSL_ASTLAYOUT | 9 #define SKSL_ASTLAYOUT |
10 | 10 |
11 #include "SkSLASTNode.h" | 11 #include "SkSLASTNode.h" |
12 #include "SkSLUtil.h" | 12 #include "SkSLUtil.h" |
13 | 13 |
14 namespace SkSL { | 14 namespace SkSL { |
15 | 15 |
16 /** | 16 /** |
17 * Represents a layout block appearing before a variable declaration, as in: | 17 * Represents a layout block appearing before a variable declaration, as in: |
18 * | 18 * |
19 * layout (location = 0) int x; | 19 * layout (location = 0) int x; |
20 */ | 20 */ |
21 struct ASTLayout : public ASTNode { | 21 struct ASTLayout : public ASTNode { |
22 // For int parameters, a -1 means no value | 22 // For all parameters, a -1 means no value |
23 ASTLayout(int location, int binding, int index, int set, int builtin, bool o
riginUpperLeft, | 23 ASTLayout(int location, int binding, int index, int set, int builtin, bool o
riginUpperLeft, |
24 bool overrideCoverage, bool blendSupportAllEquations, bool pushCon
stant) | 24 bool overrideCoverage, bool blendSupportAllEquations) |
25 : fLocation(location) | 25 : fLocation(location) |
26 , fBinding(binding) | 26 , fBinding(binding) |
27 , fIndex(index) | 27 , fIndex(index) |
28 , fSet(set) | 28 , fSet(set) |
29 , fBuiltin(builtin) | 29 , fBuiltin(builtin) |
30 , fOriginUpperLeft(originUpperLeft) | 30 , fOriginUpperLeft(originUpperLeft) |
31 , fOverrideCoverage(overrideCoverage) | 31 , fOverrideCoverage(overrideCoverage) |
32 , fBlendSupportAllEquations(blendSupportAllEquations) | 32 , fBlendSupportAllEquations(blendSupportAllEquations) {} |
33 , fPushConstant(pushConstant) {} | |
34 | 33 |
35 std::string description() const { | 34 std::string description() const { |
36 std::string result; | 35 std::string result; |
37 std::string separator; | 36 std::string separator; |
38 if (fLocation >= 0) { | 37 if (fLocation >= 0) { |
39 result += separator + "location = " + to_string(fLocation); | 38 result += separator + "location = " + to_string(fLocation); |
40 separator = ", "; | 39 separator = ", "; |
41 } | 40 } |
42 if (fBinding >= 0) { | 41 if (fBinding >= 0) { |
43 result += separator + "binding = " + to_string(fBinding); | 42 result += separator + "binding = " + to_string(fBinding); |
(...skipping 16 matching lines...) Expand all Loading... |
60 separator = ", "; | 59 separator = ", "; |
61 } | 60 } |
62 if (fOverrideCoverage) { | 61 if (fOverrideCoverage) { |
63 result += separator + "override_coverage"; | 62 result += separator + "override_coverage"; |
64 separator = ", "; | 63 separator = ", "; |
65 } | 64 } |
66 if (fBlendSupportAllEquations) { | 65 if (fBlendSupportAllEquations) { |
67 result += separator + "blend_support_all_equations"; | 66 result += separator + "blend_support_all_equations"; |
68 separator = ", "; | 67 separator = ", "; |
69 } | 68 } |
70 if (fPushConstant) { | |
71 result += separator + "push_constant"; | |
72 separator = ", "; | |
73 } | |
74 if (result.length() > 0) { | 69 if (result.length() > 0) { |
75 result = "layout (" + result + ")"; | 70 result = "layout (" + result + ")"; |
76 } | 71 } |
77 return result; | 72 return result; |
78 } | 73 } |
79 | 74 |
80 const int fLocation; | 75 const int fLocation; |
81 const int fBinding; | 76 const int fBinding; |
82 const int fIndex; | 77 const int fIndex; |
83 const int fSet; | 78 const int fSet; |
84 const int fBuiltin; | 79 const int fBuiltin; |
85 const bool fOriginUpperLeft; | 80 const bool fOriginUpperLeft; |
86 const bool fOverrideCoverage; | 81 const bool fOverrideCoverage; |
87 const bool fBlendSupportAllEquations; | 82 const bool fBlendSupportAllEquations; |
88 const bool fPushConstant; | |
89 }; | 83 }; |
90 | 84 |
91 } // namespace | 85 } // namespace |
92 | 86 |
93 #endif | 87 #endif |
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