// Copyright 2023 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.

////////////////////////////////////////////////////////////////////////////////
// Spirv 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"
import "src/tint/lang/core/texel_format.def"

type bool
type f32
type f16
type i32
type u32
type vec2<T>
type vec3<T>
type vec4<T>
type mat2x2<T>
type mat2x3<T>
type mat2x4<T>
type mat3x2<T>
type mat3x3<T>
type mat3x4<T>
type mat4x2<T>
type mat4x3<T>
type mat4x4<T>
@display("vec{N}<{T}>")     type vec<N: num, T>
@display("mat{N}x{M}<{T}>") type mat<N: num, M: num, T>
type atomic<T>
type sampler
type sampler_comparison
type texture_1d<T>
type texture_2d<T>
type texture_2d_array<T>
type texture_3d<T>
type texture_cube<T>
type texture_cube_array<T>
type texture_multisampled_2d<T>
type texture_depth_2d
type texture_depth_2d_array
type texture_depth_cube
type texture_depth_cube_array
type texture_depth_multisampled_2d
type texture_storage_1d<F: texel_format, A: access>
type texture_storage_2d<F: texel_format, A: access>
type texture_storage_2d_array<F: texel_format, A: access>
type texture_storage_3d<F: texel_format, A: access>
type ptr<S: address_space, T, A: access>

type struct_with_runtime_array
type sampled_image<T>

match f32_f16: f32 | f16
match iu32: i32 | u32
match fiu32: f32 | i32 | u32
match scalar: f32 | f16 | i32 | u32 | bool

match read_write: access.read_write
match storage
  : address_space.storage
match workgroup_or_storage
  : address_space.workgroup
  | address_space.storage

match samplers
  : sampler
  | sampler_comparison

match f32_texel_format
  : texel_format.r8unorm
  | texel_format.bgra8unorm
  | texel_format.rgba8unorm
  | texel_format.rgba8snorm
  | texel_format.rgba16float
  | texel_format.r32float
  | texel_format.rg32float
  | texel_format.rgba32float
match i32_texel_format
  : texel_format.rgba8sint
  | texel_format.rgba16sint
  | texel_format.r32sint
  | texel_format.rg32sint
  | texel_format.rgba32sint
match u32_texel_format
  : texel_format.rgba8uint
  | texel_format.rgba16uint
  | texel_format.r32uint
  | texel_format.rg32uint
  | texel_format.rgba32uint

match readable
  : access.read
  | access.read_write
match writable
  : access.write
  | access.read_write

////////////////////////////////////////////////////////////////////////////////
// Builtin Functions                                                          //
////////////////////////////////////////////////////////////////////////////////
fn array_length[I: u32, A: access](ptr<storage, struct_with_runtime_array, A>, I) -> u32

@stage("fragment", "compute") fn atomic_and[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T
@stage("fragment", "compute") fn atomic_compare_exchange[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, U, T, T) -> T
@stage("fragment", "compute") fn atomic_exchange[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T
@stage("fragment", "compute") fn atomic_iadd[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T
@stage("fragment", "compute") fn atomic_isub[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T
@stage("fragment", "compute") fn atomic_load[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U) -> T
@stage("fragment", "compute") fn atomic_or[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T
@stage("fragment", "compute") fn atomic_smax[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T
@stage("fragment", "compute") fn atomic_smin[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T
@stage("fragment", "compute") fn atomic_store[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T)
@stage("fragment", "compute") fn atomic_umax[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T
@stage("fragment", "compute") fn atomic_umin[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T
@stage("fragment", "compute") fn atomic_xor[T: iu32, U: u32, S: workgroup_or_storage](ptr<S, atomic<T>, read_write>, U, U, T) -> T

fn dot[N: num, T: f32_f16](vec<N, T>, vec<N, T>) -> T

fn image_dref_gather[A: f32, B: iu32](sampled_image<texture_depth_2d>, vec2<f32>, A, B) -> vec4<f32>
fn image_dref_gather[A: f32, B: iu32, C: iu32](sampled_image<texture_depth_2d>, vec2<f32>, A, B, vec2<C>) -> vec4<f32>
fn image_dref_gather[A: f32, B: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, A, B) -> vec4<f32>
fn image_dref_gather[A: f32, B: iu32, C: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, A, B, vec2<C>) -> vec4<f32>
fn image_dref_gather[A: f32, B: iu32](sampled_image<texture_depth_cube>, vec3<f32>, A, B) -> vec4<f32>
fn image_dref_gather[A: f32, B: iu32](sampled_image<texture_depth_cube_array>, vec4<f32>, A, B) -> vec4<f32>

fn image_fetch[T: fiu32, C: iu32, I: iu32, S: iu32](texture_1d<T>, C, I, S) -> vec4<T>
fn image_fetch[T: fiu32, C: iu32, I: iu32, S: iu32](texture_2d<T>, vec2<C>, I, S) -> vec4<T>
fn image_fetch[T: fiu32, C: iu32, I: iu32, S: iu32](texture_2d_array<T>, vec3<C>, I, S) -> vec4<T>
fn image_fetch[T: fiu32, C: iu32, I: iu32, S: iu32](texture_3d<T>, vec3<C>, I, S) -> vec4<T>
fn image_fetch[T: fiu32, C: iu32, I: iu32, S: iu32](texture_multisampled_2d<T>, vec2<C>, I, S) -> vec4<T>
fn image_fetch[I: iu32, C: iu32, S: iu32](texture_depth_2d, vec2<C>, I, S) -> vec4<f32>
fn image_fetch[I: iu32, C: iu32, S: iu32](texture_depth_2d_array, vec3<C>, I, S) -> vec4<f32>
fn image_fetch[I: iu32, C: iu32, S: iu32](texture_depth_multisampled_2d, vec2<C>, I, S) -> vec4<f32>

fn image_gather[T: fiu32, A: iu32, B: iu32](sampled_image<texture_1d<T> >, vec2<f32>, A, B) -> vec4<T>
fn image_gather[T: fiu32, A: iu32, B: iu32](sampled_image<texture_2d<T> >, vec2<f32>, A, B) -> vec4<T>
fn image_gather[T: fiu32, A: iu32, B: iu32](sampled_image<texture_2d<T> >, vec2<f32>, A, B, vec2<i32>) -> vec4<T>
fn image_gather[T: fiu32, A: iu32, B: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, A, B) -> vec4<T>
fn image_gather[T: fiu32, A: iu32, B: iu32, C: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, A, B, vec2<C>) -> vec4<T>
fn image_gather[T: fiu32, A: iu32, B: iu32](sampled_image<texture_3d<T> >, vec2<f32>, A, B) -> vec4<T>
fn image_gather[T: fiu32, A: iu32, B: iu32](sampled_image<texture_cube<T> >, vec3<f32>, A, B) -> vec4<T>
fn image_gather[T: fiu32, A: iu32, B: iu32](sampled_image<texture_cube_array<T> >, vec4<f32>, A, B) -> vec4<T>
fn image_gather[A: iu32, B: iu32](sampled_image<texture_depth_2d>, vec2<f32>, A, B) -> vec4<f32>
fn image_gather[A: iu32, B: iu32, C: iu32](sampled_image<texture_depth_2d>, vec2<f32>, A, B, vec2<C>) -> vec4<f32>
fn image_gather[A: iu32, B: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, A, B) -> vec4<f32>
fn image_gather[A: iu32, B: iu32, C: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, A, B, vec2<C>) -> vec4<f32>
fn image_gather[A: iu32, B: iu32](sampled_image<texture_depth_cube>, vec3<f32>, A, B) -> vec4<f32>
fn image_gather[A: iu32, B: iu32](sampled_image<texture_depth_cube_array>, vec4<f32>, A, B) -> vec4<f32>

fn image_query_size[T: fiu32](texture_1d<T>) -> u32
fn image_query_size[T: fiu32](texture_2d<T>) -> vec2<u32>
fn image_query_size[T: fiu32](texture_2d_array<T>) -> vec3<u32>
fn image_query_size[T: fiu32](texture_3d<T>) -> vec3<u32>
fn image_query_size[T: fiu32](texture_cube<T>) -> vec2<u32>
fn image_query_size[T: fiu32](texture_cube_array<T>) -> vec3<u32>
fn image_query_size[T: fiu32](texture_multisampled_2d<T>) -> vec2<u32>
fn image_query_size(texture_depth_2d) -> vec2<u32>
fn image_query_size(texture_depth_2d_array) -> vec3<u32>
fn image_query_size(texture_depth_cube) -> vec2<u32>
fn image_query_size(texture_depth_cube_array) -> vec3<u32>
fn image_query_size(texture_depth_multisampled_2d) -> vec2<u32>
fn image_query_size[F: texel_format, A: access](texture_storage_1d<F, A>) -> u32
fn image_query_size[F: texel_format, A: access](texture_storage_2d<F, A>) -> vec2<u32>
fn image_query_size[F: texel_format, A: access](texture_storage_2d_array<F, A>) -> vec3<u32>
fn image_query_size[F: texel_format, A: access](texture_storage_3d<F, A>) -> vec3<u32>

fn image_query_size_lod[T: fiu32, A: iu32](texture_1d<T>, A) -> u32
fn image_query_size_lod[T: fiu32, A: iu32](texture_2d<T>, A) -> vec2<u32>
fn image_query_size_lod[T: fiu32, A: iu32](texture_2d_array<T>, A) -> vec3<u32>
fn image_query_size_lod[T: fiu32, A: iu32](texture_3d<T>, A) -> vec3<u32>
fn image_query_size_lod[T: fiu32, A: iu32](texture_cube<T>, A) -> vec2<u32>
fn image_query_size_lod[T: fiu32, A: iu32](texture_cube_array<T>, A) -> vec3<u32>
fn image_query_size_lod[A: iu32](texture_depth_2d, A) -> vec2<u32>
fn image_query_size_lod[A: iu32](texture_depth_2d_array, A) -> vec3<u32>
fn image_query_size_lod[A: iu32](texture_depth_cube, A) -> vec2<u32>
fn image_query_size_lod[A: iu32](texture_depth_cube_array, A) -> vec3<u32>

fn image_read[F: f32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_1d<F, A>, C, S) -> vec4<f32>
fn image_read[F: i32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_1d<F, A>, C, S) -> vec4<i32>
fn image_read[F: u32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_1d<F, A>, C, S) -> vec4<u32>
fn image_read[F: f32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_2d<F, A>, vec2<C>, S) -> vec4<f32>
fn image_read[F: i32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_2d<F, A>, vec2<C>, S) -> vec4<i32>
fn image_read[F: u32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_2d<F, A>, vec2<C>, S) -> vec4<u32>
fn image_read[F: f32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_2d_array<F, A>, vec3<C>, S) -> vec4<f32>
fn image_read[F: i32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_2d_array<F, A>, vec3<C>, S) -> vec4<i32>
fn image_read[F: u32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_2d_array<F, A>, vec3<C>, S) -> vec4<u32>
fn image_read[F: f32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_3d<F, A>, vec3<C>, S) -> vec4<f32>
fn image_read[F: i32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_3d<F, A>, vec3<C>, S) -> vec4<i32>
fn image_read[F: u32_texel_format, A: readable, C: iu32, S: iu32](texture_storage_3d<F, A>, vec3<C>, S) -> vec4<u32>

fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_1d<T> >, f32, C) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_2d<T> >, vec2<f32>, C) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_2d<T> >, vec2<f32>, C, f32) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_2d<T> >, vec2<f32>, C, f32, vec2<D>) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_2d<T> >, vec2<f32>, C, vec2<D>) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, C) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, C, f32) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, C, vec2<D>) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, C, f32, vec2<D>) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_3d<T> >, vec3<f32>, C) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_3d<T> >, vec3<f32>, C, f32) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_3d<T> >, vec3<f32>, C, f32, vec3<D>) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_3d<T> >, vec3<f32>, C, vec3<D>) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_cube<T> >, vec3<f32>, C) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_cube<T> >, vec3<f32>, C, f32) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_cube_array<T> >, vec4<f32>, C) -> vec4<f32>
fn image_sample_implicit_lod[T: fiu32, C: iu32](sampled_image<texture_cube_array<T> >, vec4<f32>, C, f32) -> vec4<f32>
fn image_sample_implicit_lod[C: iu32](sampled_image<texture_depth_2d>, vec2<f32>, C) -> vec4<f32>
fn image_sample_implicit_lod[C: iu32, D: iu32](sampled_image<texture_depth_2d>, vec2<f32>, C, vec2<D>) -> vec4<f32>
fn image_sample_implicit_lod[C: iu32](sampled_image<texture_depth_cube>, vec3<f32>, C) -> vec4<f32>
fn image_sample_implicit_lod[C: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, C) -> vec4<f32>
fn image_sample_implicit_lod[C: iu32, D: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, C, vec2<D>) -> vec4<f32>
fn image_sample_implicit_lod[C: iu32](sampled_image<texture_depth_cube_array>, vec4<f32>, C) -> vec4<f32>

fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_2d<T> >, vec2<f32>, C, f32) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_2d<T> >, vec2<f32>, C, vec2<f32>, vec2<f32>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_2d<T> >, vec2<f32>, C, f32, vec2<D>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_2d<T> >, vec2<f32>, C, vec2<f32>, vec2<D>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_2d<T> >, vec2<f32>, C, vec2<f32>, vec2<f32>, vec2<D>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, C, f32) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, C, vec2<f32>, vec2<f32>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, C, f32, vec2<D>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_2d_array<T> >, vec3<f32>, C, vec2<f32>, vec2<f32>, vec2<D>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_3d<T> >, vec3<f32>, C, f32) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_3d<T> >, vec3<f32>, C, vec3<f32>, vec3<f32>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_3d<T> >, vec3<f32>, C, f32, vec3<D>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32, D: iu32](sampled_image<texture_3d<T> >, vec3<f32>, C, vec3<f32>, vec3<f32>, vec3<D>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_cube<T> >, vec3<f32>, C, f32) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_cube<T> >, vec3<f32>, C, vec3<f32>, vec3<f32>) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_cube_array<T> >, vec4<f32>, C, f32) -> vec4<f32>
fn image_sample_explicit_lod[T: fiu32, C: iu32](sampled_image<texture_cube_array<T> >, vec4<f32>, C, vec3<f32>, vec3<f32>) -> vec4<f32>
fn image_sample_explicit_lod[C: iu32](sampled_image<texture_depth_2d>, vec2<f32>, C, f32) -> vec4<f32>
fn image_sample_explicit_lod[C: iu32, D: iu32](sampled_image<texture_depth_2d>, vec2<f32>, C, f32, vec2<D>) -> vec4<f32>
fn image_sample_explicit_lod[C: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, C, f32) -> vec4<f32>
fn image_sample_explicit_lod[C: iu32, D: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, C, f32, vec2<D>) -> vec4<f32>
fn image_sample_explicit_lod[C: iu32](sampled_image<texture_depth_cube>, vec3<f32>, C, f32) -> vec4<f32>
fn image_sample_explicit_lod[C: iu32](sampled_image<texture_depth_cube_array>, vec4<f32>, C, f32) -> vec4<f32>

fn image_sample_dref_implicit_lod[C: iu32](sampled_image<texture_depth_2d>, vec2<f32>, f32, C) -> f32
fn image_sample_dref_implicit_lod[C: iu32, D: iu32](sampled_image<texture_depth_2d>, vec2<f32>, f32, C, vec2<D>) -> f32
fn image_sample_dref_implicit_lod[C: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, f32, C) -> f32
fn image_sample_dref_implicit_lod[C: iu32, D: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, f32, C, vec2<D>) -> f32
fn image_sample_dref_implicit_lod[C: iu32](sampled_image<texture_depth_cube>, vec3<f32>, f32, C) -> f32
fn image_sample_dref_implicit_lod[C: iu32](sampled_image<texture_depth_cube_array>, vec4<f32>, f32, C) -> f32

fn image_sample_dref_explicit_lod[C: iu32](sampled_image<texture_depth_2d>, vec2<f32>, f32, C, f32) -> f32
fn image_sample_dref_explicit_lod[C: iu32, D: iu32](sampled_image<texture_depth_2d>, vec2<f32>, f32, C, f32, vec2<D>) -> f32
fn image_sample_dref_explicit_lod[C: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, f32, C, f32) -> f32
fn image_sample_dref_explicit_lod[C: iu32, D: iu32](sampled_image<texture_depth_2d_array>, vec3<f32>, f32, C, f32, vec2<D>) -> f32
fn image_sample_dref_explicit_lod[C: iu32](sampled_image<texture_depth_cube>, vec3<f32>, f32, C, f32) -> f32
fn image_sample_dref_explicit_lod[C: iu32](sampled_image<texture_depth_cube_array>, vec4<f32>, f32, C, f32) -> f32

fn image_write[C: iu32, D: iu32](texture_storage_1d<f32_texel_format, writable>, C, vec4<f32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_1d<i32_texel_format, writable>, C, vec4<i32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_1d<u32_texel_format, writable>, C, vec4<u32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_2d<f32_texel_format, writable>, vec2<C>, vec4<f32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_2d<i32_texel_format, writable>, vec2<C>, vec4<i32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_2d<u32_texel_format, writable>, vec2<C>, vec4<u32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_2d_array<f32_texel_format, writable>, vec3<C>, vec4<f32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_2d_array<i32_texel_format, writable>, vec3<C>, vec4<i32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_2d_array<u32_texel_format, writable>, vec3<C>, vec4<u32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_3d<f32_texel_format, writable>, vec3<C>, vec4<f32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_3d<i32_texel_format, writable>, vec3<C>, vec4<i32>, D)
fn image_write[C: iu32, D: iu32](texture_storage_3d<u32_texel_format, writable>, vec3<C>, vec4<u32>, D)

fn matrix_times_matrix[T: f32_f16, K: num, C: num, R: num](mat<K, R, T>, mat<C, K, T>) -> mat<C, R, T>
fn matrix_times_scalar[T: f32_f16, N: num, M: num](mat<N, M, T>, T) -> mat<N, M, T>
fn matrix_times_vector[T: f32_f16, N: num, M: num](mat<N, M, T>, vec<N, T>) -> vec<M, T>

fn sampled_image[T: fiu32, S: samplers](texture_1d<T>, S) -> sampled_image<texture_1d<T> >
fn sampled_image[T: fiu32, S: samplers](texture_2d<T>, S) -> sampled_image<texture_2d<T> >
fn sampled_image[T: fiu32, S: samplers](texture_2d_array<T>, S) -> sampled_image<texture_2d_array<T> >
fn sampled_image[T: fiu32, S: samplers](texture_3d<T>, S) -> sampled_image<texture_3d<T> >
fn sampled_image[T: fiu32, S: samplers](texture_cube<T>, S) -> sampled_image<texture_cube<T> >
fn sampled_image[T: fiu32, S: samplers](texture_cube_array<T>, S) -> sampled_image<texture_cube_array<T> >
fn sampled_image[S: samplers](texture_depth_2d, S) -> sampled_image<texture_depth_2d>
fn sampled_image[S: samplers](texture_depth_2d_array, S) -> sampled_image<texture_depth_2d_array>
fn sampled_image[S: samplers](texture_depth_cube, S) -> sampled_image<texture_depth_cube>
fn sampled_image[S: samplers](texture_depth_cube_array, S) -> sampled_image<texture_depth_cube_array>

fn select[T: scalar](bool, T, T) -> T
fn select[N: num, T: scalar](vec<N, bool>, vec<N, T>, vec<N, T>) -> vec<N, T>

fn vector_times_matrix[T: f32_f16, N: num, M: num](vec<N, T>, mat<M, N, T>) -> vec<M, T>
fn vector_times_scalar[T: f32_f16, N: num](vec<N, T>, T) -> vec<N, T>

////////////////////////////////////////////////////////////////////////////////
// SPV_KHR_integer_dot_product instructions
////////////////////////////////////////////////////////////////////////////////
fn sdot(u32, u32, u32) -> i32
fn udot(u32, u32, u32) -> u32