| // Copyright 2024 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // GLSL builtin definition file // |
| // // |
| // After modifying this file, run: // |
| // tools/run gen // |
| // from the Dawn source directory. // |
| // // |
| // See docs/tint/intrinsic_definition_files.md for syntax // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| import "src/tint/lang/core/address_space.def" |
| import "src/tint/lang/core/access.def" |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Types // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| type f16 |
| type f32 |
| type i32 |
| type u32 |
| type atomic<T> |
| type ptr<S: address_space, T, A: access> |
| |
| type vec2<T> |
| @display("vec{N}<{T}>") type vec<N: num, T> |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Type matchers // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| match iu32: i32 | u32 |
| |
| match read_write: access.read_write |
| |
| match workgroup_or_storage: |
| address_space.storage | |
| address_space.workgroup |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Builtin Functions // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| @stage("compute") fn barrier() |
| @stage("compute") fn memoryBarrierBuffer() |
| @stage("compute") fn memoryBarrierImage() |
| |
| @stage("fragment", "compute") implicit(T: iu32) fn atomicCompSwap( |
| ptr<workgroup_or_storage, atomic<T>, read_write>, |
| compare_value: T, |
| value: T) -> T |
| @stage("fragment", "compute") implicit(T: iu32, S: workgroup_or_storage) fn atomicSub( |
| ptr<S, atomic<T>, read_write>, |
| T) -> T |
| |
| fn floatBitsToInt(value: f32) -> i32 |
| implicit(N: num) fn floatBitsToInt(value: vec<N, f32>) -> vec<N, i32> |
| fn floatBitsToUint(value: f32) -> u32 |
| implicit(N: num) fn floatBitsToUint(value: vec<N, f32>) -> vec<N, u32> |
| |
| fn intBitsToFloat(value: i32) -> f32 |
| implicit(N: num) fn intBitsToFloat(value: vec<N, i32>) -> vec<N, f32> |
| fn uintBitsToFloat(value: u32) -> f32 |
| implicit(N: num) fn uintBitsToFloat(value: vec<N, u32>) -> vec<N, f32> |
| |
| fn packFloat2x16(value: vec2<f16>) -> u32 |
| fn unpackFloat2x16(value: u32) -> vec2<f16> |
