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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_LAYOUT | 8 #ifndef SKSL_LAYOUT |
9 #define SKSL_LAYOUT | 9 #define SKSL_LAYOUT |
10 | 10 |
11 namespace SkSL { | 11 namespace SkSL { |
12 | 12 |
13 /** | 13 /** |
14 * Represents a layout block appearing before a variable declaration, as in: | 14 * Represents a layout block appearing before a variable declaration, as in: |
15 * | 15 * |
16 * layout (location = 0) int x; | 16 * layout (location = 0) int x; |
17 */ | 17 */ |
18 struct Layout { | 18 struct Layout { |
19 Layout(const ASTLayout& layout) | 19 Layout(const ASTLayout& layout) |
20 : fLocation(layout.fLocation) | 20 : fLocation(layout.fLocation) |
21 , fBinding(layout.fBinding) | 21 , fBinding(layout.fBinding) |
22 , fIndex(layout.fIndex) | 22 , fIndex(layout.fIndex) |
23 , fSet(layout.fSet) | 23 , fSet(layout.fSet) |
24 , fBuiltin(layout.fBuiltin) | 24 , fBuiltin(layout.fBuiltin) |
25 , fOriginUpperLeft(layout.fOriginUpperLeft) | 25 , fOriginUpperLeft(layout.fOriginUpperLeft) |
26 , fOverrideCoverage(layout.fOverrideCoverage) | 26 , fOverrideCoverage(layout.fOverrideCoverage) |
27 , fBlendSupportAllEquations(layout.fBlendSupportAllEquations) | 27 , fBlendSupportAllEquations(layout.fBlendSupportAllEquations) {} |
28 , fPushConstant(layout.fPushConstant) {} | |
29 | 28 |
30 Layout(int location, int binding, int index, int set, int builtin, bool orig
inUpperLeft, | 29 Layout(int location, int binding, int index, int set, int builtin, bool orig
inUpperLeft, |
31 bool overrideCoverage, bool blendSupportAllEquations, bool pushconsta
nt) | 30 bool overrideCoverage, bool blendSupportAllEquations) |
32 : fLocation(location) | 31 : fLocation(location) |
33 , fBinding(binding) | 32 , fBinding(binding) |
34 , fIndex(index) | 33 , fIndex(index) |
35 , fSet(set) | 34 , fSet(set) |
36 , fBuiltin(builtin) | 35 , fBuiltin(builtin) |
37 , fOriginUpperLeft(originUpperLeft) | 36 , fOriginUpperLeft(originUpperLeft) |
38 , fOverrideCoverage(overrideCoverage) | 37 , fOverrideCoverage(overrideCoverage) |
39 , fBlendSupportAllEquations(blendSupportAllEquations) | 38 , fBlendSupportAllEquations(blendSupportAllEquations) {} |
40 , fPushConstant(pushconstant) {} | |
41 | |
42 Layout() | |
43 : fLocation(-1) | |
44 , fBinding(-1) | |
45 , fIndex(-1) | |
46 , fSet(-1) | |
47 , fBuiltin(-1) | |
48 , fOriginUpperLeft(false) | |
49 , fOverrideCoverage(false) | |
50 , fBlendSupportAllEquations(false) | |
51 , fPushConstant(false) {} | |
52 | 39 |
53 std::string description() const { | 40 std::string description() const { |
54 std::string result; | 41 std::string result; |
55 std::string separator; | 42 std::string separator; |
56 if (fLocation >= 0) { | 43 if (fLocation >= 0) { |
57 result += separator + "location = " + to_string(fLocation); | 44 result += separator + "location = " + to_string(fLocation); |
58 separator = ", "; | 45 separator = ", "; |
59 } | 46 } |
60 if (fBinding >= 0) { | 47 if (fBinding >= 0) { |
61 result += separator + "binding = " + to_string(fBinding); | 48 result += separator + "binding = " + to_string(fBinding); |
(...skipping 16 matching lines...) Expand all Loading... |
78 separator = ", "; | 65 separator = ", "; |
79 } | 66 } |
80 if (fOverrideCoverage) { | 67 if (fOverrideCoverage) { |
81 result += separator + "override_coverage"; | 68 result += separator + "override_coverage"; |
82 separator = ", "; | 69 separator = ", "; |
83 } | 70 } |
84 if (fBlendSupportAllEquations) { | 71 if (fBlendSupportAllEquations) { |
85 result += separator + "blend_support_all_equations"; | 72 result += separator + "blend_support_all_equations"; |
86 separator = ", "; | 73 separator = ", "; |
87 } | 74 } |
88 if (fPushConstant) { | |
89 result += separator + "push_constant"; | |
90 separator = ", "; | |
91 } | |
92 if (result.length() > 0) { | 75 if (result.length() > 0) { |
93 result = "layout (" + result + ")"; | 76 result = "layout (" + result + ")"; |
94 } | 77 } |
95 return result; | 78 return result; |
96 } | 79 } |
97 | 80 |
98 bool operator==(const Layout& other) const { | 81 bool operator==(const Layout& other) const { |
99 return fLocation == other.fLocation && | 82 return fLocation == other.fLocation && |
100 fBinding == other.fBinding && | 83 fBinding == other.fBinding && |
101 fIndex == other.fIndex && | 84 fIndex == other.fIndex && |
102 fSet == other.fSet && | 85 fSet == other.fSet && |
103 fBuiltin == other.fBuiltin && | 86 fBuiltin == other.fBuiltin && |
104 fOriginUpperLeft == other.fOriginUpperLeft && | 87 fOriginUpperLeft == other.fOriginUpperLeft && |
105 fOverrideCoverage == other.fOverrideCoverage && | 88 fOverrideCoverage == other.fOverrideCoverage && |
106 fBlendSupportAllEquations == other.fBlendSupportAllEquations; | 89 fBlendSupportAllEquations == other.fBlendSupportAllEquations; |
107 } | 90 } |
108 | 91 |
109 bool operator!=(const Layout& other) const { | 92 bool operator!=(const Layout& other) const { |
110 return !(*this == other); | 93 return !(*this == other); |
111 } | 94 } |
112 | 95 |
| 96 // everything but builtin is in the GLSL spec; builtin comes from SPIR-V and
identifies which |
| 97 // particular builtin value this object represents. |
113 int fLocation; | 98 int fLocation; |
114 int fBinding; | 99 int fBinding; |
115 int fIndex; | 100 int fIndex; |
116 int fSet; | 101 int fSet; |
117 int fBuiltin; | 102 int fBuiltin; |
118 int fOffset; | |
119 bool fOriginUpperLeft; | 103 bool fOriginUpperLeft; |
120 bool fOverrideCoverage; | 104 bool fOverrideCoverage; |
121 bool fBlendSupportAllEquations; | 105 bool fBlendSupportAllEquations; |
122 bool fPushConstant; | |
123 }; | 106 }; |
124 | 107 |
125 } // namespace | 108 } // namespace |
126 | 109 |
127 #endif | 110 #endif |
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