Austin Eng | cc2516a | 2023-10-17 20:57:54 +0000 | [diff] [blame] | 1 | // Copyright 2022 The Dawn & Tint Authors |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 2 | // |
Austin Eng | cc2516a | 2023-10-17 20:57:54 +0000 | [diff] [blame] | 3 | // Redistribution and use in source and binary forms, with or without |
| 4 | // modification, are permitted provided that the following conditions are met: |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 5 | // |
Austin Eng | cc2516a | 2023-10-17 20:57:54 +0000 | [diff] [blame] | 6 | // 1. Redistributions of source code must retain the above copyright notice, this |
| 7 | // list of conditions and the following disclaimer. |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 8 | // |
Austin Eng | cc2516a | 2023-10-17 20:57:54 +0000 | [diff] [blame] | 9 | // 2. Redistributions in binary form must reproduce the above copyright notice, |
| 10 | // this list of conditions and the following disclaimer in the documentation |
| 11 | // and/or other materials provided with the distribution. |
| 12 | // |
| 13 | // 3. Neither the name of the copyright holder nor the names of its |
| 14 | // contributors may be used to endorse or promote products derived from |
| 15 | // this software without specific prior written permission. |
| 16 | // |
| 17 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 18 | // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 20 | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| 21 | // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 23 | // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 24 | // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 25 | // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 27 | |
dan sinclair | 99181d8 | 2023-07-20 01:14:15 +0000 | [diff] [blame] | 28 | #ifndef SRC_TINT_LANG_WGSL_AST_INTERPOLATE_ATTRIBUTE_H_ |
| 29 | #define SRC_TINT_LANG_WGSL_AST_INTERPOLATE_ATTRIBUTE_H_ |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 30 | |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 31 | #include <string> |
| 32 | |
dan sinclair | 99181d8 | 2023-07-20 01:14:15 +0000 | [diff] [blame] | 33 | #include "src/tint/lang/wgsl/ast/attribute.h" |
Ben Clayton | f0b4dbb | 2023-02-21 21:05:28 +0000 | [diff] [blame] | 34 | |
| 35 | // Forward declarations |
| 36 | namespace tint::ast { |
| 37 | class Expression; |
| 38 | } |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 39 | |
dan sinclair | 34323ac | 2022-04-07 18:39:35 +0000 | [diff] [blame] | 40 | namespace tint::ast { |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 41 | |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 42 | /// An interpolate attribute |
dan sinclair | bae54e7 | 2023-07-28 15:01:54 +0000 | [diff] [blame] | 43 | class InterpolateAttribute final : public Castable<InterpolateAttribute, Attribute> { |
dan sinclair | 41e4d9a | 2022-05-01 14:40:55 +0000 | [diff] [blame] | 44 | public: |
| 45 | /// Create an interpolate attribute. |
| 46 | /// @param pid the identifier of the program that owns this node |
Ben Clayton | 4a92a3c | 2022-07-18 20:50:02 +0000 | [diff] [blame] | 47 | /// @param nid the unique node identifier |
dan sinclair | 41e4d9a | 2022-05-01 14:40:55 +0000 | [diff] [blame] | 48 | /// @param src the source of this node |
| 49 | /// @param type the interpolation type |
| 50 | /// @param sampling the interpolation sampling |
dan sinclair | 637a2fe | 2023-07-24 21:11:41 +0000 | [diff] [blame] | 51 | InterpolateAttribute(GenerationID pid, |
Ben Clayton | 4a92a3c | 2022-07-18 20:50:02 +0000 | [diff] [blame] | 52 | NodeID nid, |
dan sinclair | 41e4d9a | 2022-05-01 14:40:55 +0000 | [diff] [blame] | 53 | const Source& src, |
Ben Clayton | f0b4dbb | 2023-02-21 21:05:28 +0000 | [diff] [blame] | 54 | const Expression* type, |
| 55 | const Expression* sampling); |
dan sinclair | 41e4d9a | 2022-05-01 14:40:55 +0000 | [diff] [blame] | 56 | ~InterpolateAttribute() override; |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 57 | |
dan sinclair | 41e4d9a | 2022-05-01 14:40:55 +0000 | [diff] [blame] | 58 | /// @returns the WGSL name for the attribute |
| 59 | std::string Name() const override; |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 60 | |
dan sinclair | 41e4d9a | 2022-05-01 14:40:55 +0000 | [diff] [blame] | 61 | /// Clones this node and all transitive child nodes using the `CloneContext` |
| 62 | /// `ctx`. |
| 63 | /// @param ctx the clone context |
| 64 | /// @return the newly cloned node |
Ben Clayton | ae18c41 | 2023-07-29 13:00:40 +0000 | [diff] [blame] | 65 | const InterpolateAttribute* Clone(CloneContext& ctx) const override; |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 66 | |
dan sinclair | 41e4d9a | 2022-05-01 14:40:55 +0000 | [diff] [blame] | 67 | /// The interpolation type |
Ben Clayton | f0b4dbb | 2023-02-21 21:05:28 +0000 | [diff] [blame] | 68 | const Expression* const type; |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 69 | |
dan sinclair | 41e4d9a | 2022-05-01 14:40:55 +0000 | [diff] [blame] | 70 | /// The interpolation sampling |
Ben Clayton | f0b4dbb | 2023-02-21 21:05:28 +0000 | [diff] [blame] | 71 | const Expression* const sampling; |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 72 | }; |
| 73 | |
dan sinclair | 34323ac | 2022-04-07 18:39:35 +0000 | [diff] [blame] | 74 | } // namespace tint::ast |
Ryan Harrison | dbc13af | 2022-02-21 15:19:07 +0000 | [diff] [blame] | 75 | |
dan sinclair | 99181d8 | 2023-07-20 01:14:15 +0000 | [diff] [blame] | 76 | #endif // SRC_TINT_LANG_WGSL_AST_INTERPOLATE_ATTRIBUTE_H_ |