ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 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 | */ |
Ethan Nicholas | 11d5397 | 2016-11-28 11:23:23 -0500 | [diff] [blame] | 7 | |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 8 | #ifndef SKSL_MODIFIERS |
| 9 | #define SKSL_MODIFIERS |
| 10 | |
Ethan Nicholas | daed259 | 2021-03-04 14:30:25 -0500 | [diff] [blame] | 11 | #include "include/private/SkSLLayout.h" |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 12 | |
Ethan Nicholas | 041fd0a | 2020-10-07 16:42:04 -0400 | [diff] [blame] | 13 | #include <vector> |
| 14 | |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 15 | namespace SkSL { |
| 16 | |
| 17 | /** |
Ethan Nicholas | 11d5397 | 2016-11-28 11:23:23 -0500 | [diff] [blame] | 18 | * A set of modifier keywords (in, out, uniform, etc.) appearing before a declaration. |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 19 | */ |
| 20 | struct Modifiers { |
| 21 | enum Flag { |
Ethan Nicholas | cb67096 | 2017-04-20 19:31:52 -0400 | [diff] [blame] | 22 | kNo_Flag = 0, |
| 23 | kConst_Flag = 1 << 0, |
| 24 | kIn_Flag = 1 << 1, |
| 25 | kOut_Flag = 1 << 2, |
Ethan Nicholas | 858fecc | 2019-03-07 13:19:18 -0500 | [diff] [blame] | 26 | kUniform_Flag = 1 << 3, |
| 27 | kFlat_Flag = 1 << 4, |
| 28 | kNoPerspective_Flag = 1 << 5, |
Brian Osman | 58ee898 | 2021-02-18 15:39:38 -0500 | [diff] [blame] | 29 | kHasSideEffects_Flag = 1 << 6, |
John Stiles | 0201431 | 2021-08-04 16:03:12 -0400 | [diff] [blame] | 30 | kHighp_Flag = 1 << 7, |
| 31 | kMediump_Flag = 1 << 8, |
| 32 | kLowp_Flag = 1 << 9, |
| 33 | kInline_Flag = 1 << 10, |
| 34 | kNoInline_Flag = 1 << 11, |
John Stiles | efde90d | 2021-08-12 23:06:24 -0400 | [diff] [blame^] | 35 | kES3_Flag = 1 << 12, |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 36 | }; |
| 37 | |
Ethan Nicholas | 3605ace | 2016-11-21 15:59:48 -0500 | [diff] [blame] | 38 | Modifiers() |
| 39 | : fLayout(Layout()) |
| 40 | , fFlags(0) {} |
| 41 | |
Michael Ludwig | 9094f2c | 2018-09-07 13:44:21 -0400 | [diff] [blame] | 42 | Modifiers(const Layout& layout, int flags) |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 43 | : fLayout(layout) |
| 44 | , fFlags(flags) {} |
| 45 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 46 | String description() const { |
| 47 | String result = fLayout.description(); |
John Stiles | efde90d | 2021-08-12 23:06:24 -0400 | [diff] [blame^] | 48 | if (fFlags & kES3_Flag) { |
| 49 | result += "$es3 "; |
| 50 | } |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 51 | if (fFlags & kUniform_Flag) { |
| 52 | result += "uniform "; |
| 53 | } |
| 54 | if (fFlags & kConst_Flag) { |
| 55 | result += "const "; |
| 56 | } |
ethannicholas | f789b38 | 2016-08-03 12:43:36 -0700 | [diff] [blame] | 57 | if (fFlags & kFlat_Flag) { |
| 58 | result += "flat "; |
| 59 | } |
| 60 | if (fFlags & kNoPerspective_Flag) { |
| 61 | result += "noperspective "; |
| 62 | } |
Ethan Nicholas | cb67096 | 2017-04-20 19:31:52 -0400 | [diff] [blame] | 63 | if (fFlags & kHasSideEffects_Flag) { |
| 64 | result += "sk_has_side_effects "; |
| 65 | } |
John Stiles | 0dd1a77 | 2021-03-09 22:14:27 -0500 | [diff] [blame] | 66 | if (fFlags & kNoInline_Flag) { |
| 67 | result += "noinline "; |
| 68 | } |
John Stiles | 0201431 | 2021-08-04 16:03:12 -0400 | [diff] [blame] | 69 | if (fFlags & kHighp_Flag) { |
| 70 | result += "highp "; |
| 71 | } |
| 72 | if (fFlags & kMediump_Flag) { |
| 73 | result += "mediump "; |
| 74 | } |
| 75 | if (fFlags & kLowp_Flag) { |
| 76 | result += "lowp "; |
| 77 | } |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 78 | if ((fFlags & kIn_Flag) && (fFlags & kOut_Flag)) { |
| 79 | result += "inout "; |
| 80 | } else if (fFlags & kIn_Flag) { |
| 81 | result += "in "; |
| 82 | } else if (fFlags & kOut_Flag) { |
| 83 | result += "out "; |
| 84 | } |
| 85 | |
| 86 | return result; |
| 87 | } |
| 88 | |
| 89 | bool operator==(const Modifiers& other) const { |
| 90 | return fLayout == other.fLayout && fFlags == other.fFlags; |
| 91 | } |
| 92 | |
| 93 | bool operator!=(const Modifiers& other) const { |
| 94 | return !(*this == other); |
| 95 | } |
| 96 | |
ethannicholas | f789b38 | 2016-08-03 12:43:36 -0700 | [diff] [blame] | 97 | Layout fLayout; |
| 98 | int fFlags; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 99 | }; |
| 100 | |
Ethan Nicholas | 041fd0a | 2020-10-07 16:42:04 -0400 | [diff] [blame] | 101 | } // namespace SkSL |
| 102 | |
| 103 | namespace std { |
| 104 | |
| 105 | template <> |
| 106 | struct hash<SkSL::Modifiers> { |
| 107 | size_t operator()(const SkSL::Modifiers& key) const { |
Ethan Nicholas | daed259 | 2021-03-04 14:30:25 -0500 | [diff] [blame] | 108 | return (size_t) key.fFlags ^ ((size_t) key.fLayout.fFlags << 8) ^ |
| 109 | ((size_t) key.fLayout.fBuiltin << 16); |
Ethan Nicholas | 041fd0a | 2020-10-07 16:42:04 -0400 | [diff] [blame] | 110 | } |
| 111 | }; |
| 112 | |
| 113 | } // namespace std |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 114 | |
| 115 | #endif |