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Vendor dependencies for 0.3.0 release

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Robert Garrett
2025-09-27 10:29:08 -05:00
parent 0c8d39d483
commit 82ab7f317b
26803 changed files with 16134934 additions and 0 deletions
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1
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{"files":{"Cargo.toml":"160123a3f492aa2b28090b168ad689ffe07ba7fe189f66b579f1ceff9c602cbe","LICENSE.APACHE":"6d1d968fb225eca367cb7f0b8831ab012a35d92b547e945e17ef8e7b05c3e5cc","LICENSE.MIT":"885bec93203d42cd1e93c5b273626e1cf52b519a31fc49f45bd689f77ff62378","src/assertions.rs":"b7d3aeca25e2a32fc11eef83b5e78553b1388e015a7632839743e4ce54b7dc90","src/counters.rs":"39fd4c9198b67b9363c615e63a16e62966ce0c660a6aa4ccface67a06d5e6ac2","src/env.rs":"4ac0ce3350d7f77e879236d775f997fefaaeb4fd1ff9a0774a5227e12713e81b","src/instance.rs":"d8d723dc004179824121266b49f65f16783d70ad4998e6a094f7fdbd1839c97e","src/lib.rs":"fa1b0cd306ba9cdb6601ab8cca3f6fcf5d6fa110801cb8025072fc49a568e42f","src/math.rs":"27949c14f192697f7549a847c72aa5714034b7abb4ea15cc6ae8c204b2e489b2"},"package":"50ac044c0e76c03a0378e7786ac505d010a873665e2d51383dcff8dd227dc69c"}

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# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
#
# When uploading crates to the registry Cargo will automatically
# "normalize" Cargo.toml files for maximal compatibility
# with all versions of Cargo and also rewrite `path` dependencies
# to registry (e.g., crates.io) dependencies.
#
# If you are reading this file be aware that the original Cargo.toml
# will likely look very different (and much more reasonable).
# See Cargo.toml.orig for the original contents.
[package]
edition = "2021"
rust-version = "1.76"
name = "wgpu-types"
version = "24.0.0"
authors = ["gfx-rs developers"]
build = false
autolib = false
autobins = false
autoexamples = false
autotests = false
autobenches = false
description = "Common types and utilities for wgpu, the cross-platform, safe, pure-rust graphics API"
homepage = "https://wgpu.rs/"
readme = false
keywords = ["graphics"]
license = "MIT OR Apache-2.0"
repository = "https://github.com/gfx-rs/wgpu"
[package.metadata.docs.rs]
all-features = true
rustdoc-args = [
"--cfg",
"docsrs",
]
targets = [
"x86_64-unknown-linux-gnu",
"x86_64-apple-darwin",
"x86_64-pc-windows-msvc",
"wasm32-unknown-unknown",
]
[lib]
name = "wgpu_types"
path = "src/lib.rs"
[dependencies.bitflags]
version = "2.7"
features = ["serde"]
[dependencies.log]
version = "0.4"
[dependencies.serde]
version = "1"
features = [
"alloc",
"derive",
]
optional = true
default-features = false
[dev-dependencies.serde]
version = "1"
features = ["derive"]
default-features = false
[dev-dependencies.serde_json]
version = "1.0.134"
[features]
counters = []
default = ["std"]
fragile-send-sync-non-atomic-wasm = []
serde = ["dep:serde"]
std = [
"js-sys/std",
"web-sys/std",
]
strict_asserts = []
[target.'cfg(target_arch = "wasm32")'.dependencies.js-sys]
version = "0.3.70"
default-features = false
[target.'cfg(target_arch = "wasm32")'.dependencies.web-sys]
version = "0.3.74"
features = [
"ImageBitmap",
"ImageData",
"HtmlImageElement",
"HtmlVideoElement",
"HtmlCanvasElement",
"OffscreenCanvas",
"VideoFrame",
]
default-features = false
[lints.clippy]
alloc_instead_of_core = "warn"
std_instead_of_alloc = "warn"
std_instead_of_core = "warn"
[lints.rust.unexpected_cfgs]
level = "warn"
priority = 0
check-cfg = ["cfg(web_sys_unstable_apis)"]

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Apache License
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http://www.apache.org/licenses/
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END OF TERMS AND CONDITIONS

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MIT License
Copyright (c) 2021 The gfx-rs developers
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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//! Macros for validation internal to the wgpu.
//!
//! This module defines assertion macros that respect `wgpu-type`'s
//! `"strict_asserts"` feature.
//!
//! Because `wgpu-core`'s public APIs validate their arguments in all
//! types of builds, for performance, the `track` module skips some of
//! Rust's usual run-time checks on its internal operations in release
//! builds. However, some `wgpu-core` applications have a strong
//! preference for robustness over performance. To accommodate them,
//! `wgpu-core`'s `"strict_asserts"` feature enables that validation
//! in both debug and release builds.
/// This is equivalent to [`core::assert`] if the `strict_asserts` feature is activated, otherwise equal to [`core::debug_assert`].
#[cfg(feature = "strict_asserts")]
#[macro_export]
macro_rules! strict_assert {
( $( $arg:tt )* ) => {
assert!( $( $arg )* )
}
}
/// This is equivalent to [`core::assert_eq`] if the `strict_asserts` feature is activated, otherwise equal to [`core::debug_assert_eq`].
#[cfg(feature = "strict_asserts")]
#[macro_export]
macro_rules! strict_assert_eq {
( $( $arg:tt )* ) => {
assert_eq!( $( $arg )* )
}
}
/// This is equivalent to [`core::assert_ne`] if the `strict_asserts` feature is activated, otherwise equal to [`core::debug_assert_ne`].
#[cfg(feature = "strict_asserts")]
#[macro_export]
macro_rules! strict_assert_ne {
( $( $arg:tt )* ) => {
assert_ne!( $( $arg )* )
}
}
/// This is equivalent to [`core::assert`] if the `strict_asserts` feature is activated, otherwise equal to [`core::debug_assert`]
#[cfg(not(feature = "strict_asserts"))]
#[macro_export]
macro_rules! strict_assert {
( $( $arg:tt )* ) => {
debug_assert!( $( $arg )* )
};
}
/// This is equivalent to [`core::assert_eq`] if the `strict_asserts` feature is activated, otherwise equal to [`core::debug_assert_eq`]
#[cfg(not(feature = "strict_asserts"))]
#[macro_export]
macro_rules! strict_assert_eq {
( $( $arg:tt )* ) => {
debug_assert_eq!( $( $arg )* )
};
}
/// This is equivalent to [`core::assert_ne`] if the `strict_asserts` feature is activated, otherwise equal to [`core::debug_assert_ne`]
#[cfg(not(feature = "strict_asserts"))]
#[macro_export]
macro_rules! strict_assert_ne {
( $( $arg:tt )* ) => {
debug_assert_ne!( $( $arg )* )
};
}

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use alloc::{string::String, vec::Vec};
#[cfg(feature = "counters")]
use core::sync::atomic::{AtomicIsize, Ordering};
use core::{fmt, ops::Range};
/// An internal counter for debugging purposes
///
/// Internally represented as an atomic isize if the `counters` feature is enabled,
/// or compiles to nothing otherwise.
pub struct InternalCounter {
#[cfg(feature = "counters")]
value: AtomicIsize,
}
impl InternalCounter {
/// Creates a counter with value 0.
#[inline]
#[must_use]
pub const fn new() -> Self {
InternalCounter {
#[cfg(feature = "counters")]
value: AtomicIsize::new(0),
}
}
/// Get the counter's value.
#[cfg(feature = "counters")]
#[inline]
pub fn read(&self) -> isize {
self.value.load(Ordering::Relaxed)
}
/// Get the counter's value.
///
/// Always returns 0 if the `counters` feature is not enabled.
#[cfg(not(feature = "counters"))]
#[inline]
#[must_use]
pub fn read(&self) -> isize {
0
}
/// Get and reset the counter's value.
///
/// Always returns 0 if the `counters` feature is not enabled.
#[cfg(feature = "counters")]
#[inline]
pub fn take(&self) -> isize {
self.value.swap(0, Ordering::Relaxed)
}
/// Get and reset the counter's value.
///
/// Always returns 0 if the `counters` feature is not enabled.
#[cfg(not(feature = "counters"))]
#[inline]
#[must_use]
pub fn take(&self) -> isize {
0
}
/// Increment the counter by the provided amount.
#[inline]
pub fn add(&self, _val: isize) {
#[cfg(feature = "counters")]
self.value.fetch_add(_val, Ordering::Relaxed);
}
/// Decrement the counter by the provided amount.
#[inline]
pub fn sub(&self, _val: isize) {
#[cfg(feature = "counters")]
self.value.fetch_add(-_val, Ordering::Relaxed);
}
/// Sets the counter to the provided value.
#[inline]
pub fn set(&self, _val: isize) {
#[cfg(feature = "counters")]
self.value.store(_val, Ordering::Relaxed);
}
}
impl Clone for InternalCounter {
fn clone(&self) -> Self {
InternalCounter {
#[cfg(feature = "counters")]
value: AtomicIsize::new(self.read()),
}
}
}
impl Default for InternalCounter {
fn default() -> Self {
Self::new()
}
}
impl core::fmt::Debug for InternalCounter {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
self.read().fmt(f)
}
}
/// `wgpu-hal`'s internal counters.
#[allow(missing_docs)]
#[derive(Clone, Default)]
pub struct HalCounters {
// API objects
pub buffers: InternalCounter,
pub textures: InternalCounter,
pub texture_views: InternalCounter,
pub bind_groups: InternalCounter,
pub bind_group_layouts: InternalCounter,
pub render_pipelines: InternalCounter,
pub compute_pipelines: InternalCounter,
pub pipeline_layouts: InternalCounter,
pub samplers: InternalCounter,
pub command_encoders: InternalCounter,
pub shader_modules: InternalCounter,
pub query_sets: InternalCounter,
pub fences: InternalCounter,
// Resources
/// Amount of allocated gpu memory attributed to buffers, in bytes.
pub buffer_memory: InternalCounter,
/// Amount of allocated gpu memory attributed to textures, in bytes.
pub texture_memory: InternalCounter,
/// Amount of allocated gpu memory attributed to acceleration structures, in bytes.
pub acceleration_structure_memory: InternalCounter,
/// Number of gpu memory allocations.
pub memory_allocations: InternalCounter,
}
/// `wgpu-core`'s internal counters.
#[derive(Clone, Default)]
pub struct CoreCounters {
// TODO #[cfg(features=)]
}
/// All internal counters, exposed for debugging purposes.
#[derive(Clone, Default)]
pub struct InternalCounters {
/// `wgpu-core` counters.
pub core: CoreCounters,
/// `wgpu-hal` counters.
pub hal: HalCounters,
}
/// Describes an allocation in the [`AllocatorReport`].
#[derive(Clone)]
pub struct AllocationReport {
/// The name provided to the `allocate()` function.
pub name: String,
/// The offset in bytes of the allocation in its memory block.
pub offset: u64,
/// The size in bytes of the allocation.
pub size: u64,
}
/// Describes a memory block in the [`AllocatorReport`].
#[derive(Clone)]
pub struct MemoryBlockReport {
/// The size in bytes of this memory block.
pub size: u64,
/// The range of allocations in [`AllocatorReport::allocations`] that are associated
/// to this memory block.
pub allocations: Range<usize>,
}
/// A report that can be generated for informational purposes using `Allocator::generate_report()`.
#[derive(Clone)]
pub struct AllocatorReport {
/// All live allocations, sub-allocated from memory blocks.
pub allocations: Vec<AllocationReport>,
/// All memory blocks.
pub blocks: Vec<MemoryBlockReport>,
/// Sum of the memory used by all allocations, in bytes.
pub total_allocated_bytes: u64,
/// Sum of the memory reserved by all memory blocks including unallocated regions, in bytes.
pub total_reserved_bytes: u64,
}
impl fmt::Debug for AllocationReport {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let name = if !self.name.is_empty() {
self.name.as_str()
} else {
"--"
};
write!(f, "{name:?}: {}", FmtBytes(self.size))
}
}
impl fmt::Debug for AllocatorReport {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut allocations = self.allocations.clone();
allocations.sort_by_key(|alloc| core::cmp::Reverse(alloc.size));
let max_num_allocations_to_print = f.precision().unwrap_or(usize::MAX);
allocations.truncate(max_num_allocations_to_print);
f.debug_struct("AllocatorReport")
.field(
"summary",
&core::format_args!(
"{} / {}",
FmtBytes(self.total_allocated_bytes),
FmtBytes(self.total_reserved_bytes)
),
)
.field("blocks", &self.blocks.len())
.field("allocations", &self.allocations.len())
.field("largest", &allocations.as_slice())
.finish()
}
}
struct FmtBytes(u64);
impl fmt::Display for FmtBytes {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
const SUFFIX: [&str; 5] = ["B", "KB", "MB", "GB", "TB"];
let mut idx = 0;
let mut amount = self.0 as f64;
loop {
if amount < 1024.0 || idx == SUFFIX.len() - 1 {
return write!(f, "{:.2} {}", amount, SUFFIX[idx]);
}
amount /= 1024.0;
idx += 1;
}
}
}

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use alloc::string::String;
/// No-std friendly version of `std::env::var`. Returns `None` if the environment variable is not set
/// or we are in a no-std context.
pub fn var(_key: &str) -> Option<String> {
#[cfg(feature = "std")]
return std::env::var(_key).ok();
#[cfg(not(feature = "std"))]
return None;
}

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//! Types for dealing with Instances
use alloc::string::String;
use crate::Backends;
/// Options for creating an instance.
#[derive(Clone, Debug)]
pub struct InstanceDescriptor {
/// Which `Backends` to enable.
pub backends: Backends,
/// Flags to tune the behavior of the instance.
pub flags: InstanceFlags,
/// Options the control the behavior of various backends.
pub backend_options: BackendOptions,
}
impl Default for InstanceDescriptor {
fn default() -> Self {
Self {
backends: Backends::all(),
flags: InstanceFlags::default(),
backend_options: BackendOptions::default(),
}
}
}
impl InstanceDescriptor {
/// Choose instance options entirely from environment variables.
///
/// This is equivalent to calling `from_env` on every field.
#[must_use]
pub fn from_env_or_default() -> Self {
Self::default().with_env()
}
/// Takes the given options, modifies them based on the environment variables, and returns the result.
///
/// This is equivalent to calling `with_env` on every field.
#[must_use]
pub fn with_env(self) -> Self {
let backends = self.backends.with_env();
let flags = self.flags.with_env();
let backend_options = self.backend_options.with_env();
Self {
backends,
flags,
backend_options,
}
}
}
bitflags::bitflags! {
/// Instance debugging flags.
///
/// These are not part of the webgpu standard.
///
/// Defaults to enabling debugging-related flags if the build configuration has `debug_assertions`.
#[repr(transparent)]
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub struct InstanceFlags: u32 {
/// Generate debug information in shaders and objects.
///
/// When `Self::from_env()` is used takes value from `WGPU_DEBUG` environment variable.
const DEBUG = 1 << 0;
/// Enable validation, if possible.
///
/// When `Self::from_env()` is used takes value from `WGPU_VALIDATION` environment variable.
const VALIDATION = 1 << 1;
/// Don't pass labels to wgpu-hal.
///
/// When `Self::from_env()` is used takes value from `WGPU_DISCARD_HAL_LABELS` environment variable.
const DISCARD_HAL_LABELS = 1 << 2;
/// Whether wgpu should expose adapters that run on top of non-compliant adapters.
///
/// Turning this on might mean that some of the functionality provided by the wgpu
/// adapter/device is not working or is broken. It could be that all the functionality
/// wgpu currently exposes works but we can't tell for sure since we have no additional
/// transparency into what is working and what is not on the underlying adapter.
///
/// This mainly applies to a Vulkan driver's compliance version. If the major compliance version
/// is `0`, then the driver is ignored. This flag allows that driver to be enabled for testing.
///
/// When `Self::from_env()` is used takes value from `WGPU_ALLOW_UNDERLYING_NONCOMPLIANT_ADAPTER` environment variable.
const ALLOW_UNDERLYING_NONCOMPLIANT_ADAPTER = 1 << 3;
/// Enable GPU-based validation. Implies [`Self::VALIDATION`]. Currently, this only changes
/// behavior on the DX12 and Vulkan backends.
///
/// Supported platforms:
///
/// - D3D12; called ["GPU-based validation", or
/// "GBV"](https://web.archive.org/web/20230206120404/https://learn.microsoft.com/en-us/windows/win32/direct3d12/using-d3d12-debug-layer-gpu-based-validation)
/// - Vulkan, via the `VK_LAYER_KHRONOS_validation` layer; called ["GPU-Assisted
/// Validation"](https://github.com/KhronosGroup/Vulkan-ValidationLayers/blob/e45aeb85079e0835694cb8f03e6681fd18ae72c9/docs/gpu_validation.md#gpu-assisted-validation)
///
/// When `Self::from_env()` is used takes value from `WGPU_GPU_BASED_VALIDATION` environment variable.
const GPU_BASED_VALIDATION = 1 << 4;
}
}
impl Default for InstanceFlags {
fn default() -> Self {
Self::from_build_config()
}
}
impl InstanceFlags {
/// Enable recommended debugging and validation flags.
#[must_use]
pub fn debugging() -> Self {
InstanceFlags::DEBUG | InstanceFlags::VALIDATION
}
/// Enable advanced debugging and validation flags (potentially very slow).
#[must_use]
pub fn advanced_debugging() -> Self {
Self::debugging() | InstanceFlags::GPU_BASED_VALIDATION
}
/// Infer decent defaults from the build type.
///
/// If cfg!(debug_assertions) is true, then this returns [`Self::debugging()`].
/// Otherwise, it returns [`Self::empty()`].
#[must_use]
pub fn from_build_config() -> Self {
if cfg!(debug_assertions) {
return InstanceFlags::debugging();
}
InstanceFlags::empty()
}
/// Derive defaults from environment variables. See [`Self::with_env()`] for more information.
#[must_use]
pub fn from_env_or_default() -> Self {
Self::default().with_env()
}
/// Takes the given flags, modifies them based on the environment variables, and returns the result.
///
/// - If an environment variable is set to anything but "0", the corresponding flag is set.
/// - If the value is "0", the flag is unset.
/// - If the environment variable is not present, then the flag retains its initial value.
///
/// For example `let flags = InstanceFlags::debugging().with_env();` with `WGPU_VALIDATION=0`
/// does not contain `InstanceFlags::VALIDATION`.
///
/// The environment variables are named after the flags prefixed with "WGPU_". For example:
/// - `WGPU_DEBUG`
/// - `WGPU_VALIDATION`
/// - `WGPU_DISCARD_HAL_LABELS`
/// - `WGPU_ALLOW_UNDERLYING_NONCOMPLIANT_ADAPTER`
/// - `WGPU_GPU_BASED_VALIDATION`
#[must_use]
pub fn with_env(mut self) -> Self {
fn env(key: &str) -> Option<bool> {
crate::env::var(key).map(|s| match s.as_str() {
"0" => false,
_ => true,
})
}
if let Some(bit) = env("WGPU_VALIDATION") {
self.set(Self::VALIDATION, bit);
}
if let Some(bit) = env("WGPU_DEBUG") {
self.set(Self::DEBUG, bit);
}
if let Some(bit) = env("WGPU_DISCARD_HAL_LABELS") {
self.set(Self::DISCARD_HAL_LABELS, bit);
}
if let Some(bit) = env("WGPU_ALLOW_UNDERLYING_NONCOMPLIANT_ADAPTER") {
self.set(Self::ALLOW_UNDERLYING_NONCOMPLIANT_ADAPTER, bit);
}
if let Some(bit) = env("WGPU_GPU_BASED_VALIDATION") {
self.set(Self::GPU_BASED_VALIDATION, bit);
}
self
}
}
/// Options that are passed to a given backend.
#[derive(Clone, Debug, Default)]
pub struct BackendOptions {
/// Options for the OpenGL/OpenGLES backend.
pub gl: GlBackendOptions,
/// Options for the DX12 backend.
pub dx12: Dx12BackendOptions,
}
impl BackendOptions {
/// Choose backend options by calling `from_env` on every field.
///
/// See those methods for more information.
#[must_use]
pub fn from_env_or_default() -> Self {
let gl = GlBackendOptions::from_env_or_default();
let dx12 = Dx12BackendOptions::from_env_or_default();
Self { gl, dx12 }
}
/// Takes the given options, modifies them based on the environment variables, and returns the result.
///
/// This is equivalent to calling `with_env` on every field.
#[must_use]
pub fn with_env(self) -> Self {
let gl = self.gl.with_env();
let dx12 = self.dx12.with_env();
Self { gl, dx12 }
}
}
/// Configuration for the OpenGL/OpenGLES backend.
#[derive(Clone, Debug, Default)]
pub struct GlBackendOptions {
/// Which OpenGL ES 3 minor version to request, if using OpenGL ES.
pub gles_minor_version: Gles3MinorVersion,
}
impl GlBackendOptions {
/// Choose OpenGL backend options by calling `from_env` on every field.
///
/// See those methods for more information.
#[must_use]
pub fn from_env_or_default() -> Self {
let gles_minor_version = Gles3MinorVersion::from_env().unwrap_or_default();
Self { gles_minor_version }
}
/// Takes the given options, modifies them based on the environment variables, and returns the result.
///
/// This is equivalent to calling `with_env` on every field.
#[must_use]
pub fn with_env(self) -> Self {
let gles_minor_version = self.gles_minor_version.with_env();
Self { gles_minor_version }
}
}
/// Configuration for the DX12 backend.
#[derive(Clone, Debug, Default)]
pub struct Dx12BackendOptions {
/// Which DX12 shader compiler to use.
pub shader_compiler: Dx12Compiler,
}
impl Dx12BackendOptions {
/// Choose DX12 backend options by calling `from_env` on every field.
///
/// See those methods for more information.
#[must_use]
pub fn from_env_or_default() -> Self {
let compiler = Dx12Compiler::from_env().unwrap_or_default();
Self {
shader_compiler: compiler,
}
}
/// Takes the given options, modifies them based on the environment variables, and returns the result.
///
/// This is equivalent to calling `with_env` on every field.
#[must_use]
pub fn with_env(self) -> Self {
let shader_compiler = self.shader_compiler.with_env();
Self { shader_compiler }
}
}
/// Selects which DX12 shader compiler to use.
///
/// If the `DynamicDxc` option is selected, but `dxcompiler.dll` and `dxil.dll` files aren't found,
/// then this will fall back to the Fxc compiler at runtime and log an error.
#[derive(Clone, Debug, Default)]
pub enum Dx12Compiler {
/// The Fxc compiler (default) is old, slow and unmaintained.
///
/// However, it doesn't require any additional .dlls to be shipped with the application.
#[default]
Fxc,
/// The Dxc compiler is new, fast and maintained.
///
/// However, it requires both `dxcompiler.dll` and `dxil.dll` to be shipped with the application.
/// These files can be downloaded from <https://github.com/microsoft/DirectXShaderCompiler/releases>.
///
/// Minimum supported version: [v1.5.2010](https://github.com/microsoft/DirectXShaderCompiler/releases/tag/v1.5.2010)
///
/// It also requires WDDM 2.1 (Windows 10 version 1607).
DynamicDxc {
/// Path to `dxcompiler.dll`.
dxc_path: String,
/// Path to `dxil.dll`.
dxil_path: String,
},
/// The statically-linked variant of Dxc.
///
/// The `static-dxc` feature is required for this setting to be used successfully on DX12.
/// Not available on `windows-aarch64-pc-*` targets.
StaticDxc,
}
impl Dx12Compiler {
/// Choose which DX12 shader compiler to use from the environment variable `WGPU_DX12_COMPILER`.
///
/// Valid values, case insensitive:
/// - `Fxc`
/// - `Dxc` or `DynamicDxc`
/// - `StaticDxc`
#[must_use]
pub fn from_env() -> Option<Self> {
let value = crate::env::var("WGPU_DX12_COMPILER")
.as_deref()?
.to_lowercase();
match value.as_str() {
"dxc" | "dynamicdxc" => Some(Self::DynamicDxc {
dxc_path: String::from("dxcompiler.dll"),
dxil_path: String::from("dxil.dll"),
}),
"staticdxc" => Some(Self::StaticDxc),
"fxc" => Some(Self::Fxc),
_ => None,
}
}
/// Takes the given compiler, modifies it based on the `WGPU_DX12_COMPILER` environment variable, and returns the result.
///
/// See `from_env` for more information.
#[must_use]
pub fn with_env(self) -> Self {
if let Some(compiler) = Self::from_env() {
compiler
} else {
self
}
}
}
/// Selects which OpenGL ES 3 minor version to request.
///
/// When using ANGLE as an OpenGL ES/EGL implementation, explicitly requesting `Version1` can provide a non-conformant ES 3.1 on APIs like D3D11.
#[derive(Clone, Copy, Debug, Default, Eq, PartialEq, Hash)]
pub enum Gles3MinorVersion {
/// No explicit minor version is requested, the driver automatically picks the highest available.
#[default]
Automatic,
/// Request an ES 3.0 context.
Version0,
/// Request an ES 3.1 context.
Version1,
/// Request an ES 3.2 context.
Version2,
}
impl Gles3MinorVersion {
/// Choose which minor OpenGL ES version to use from the environment variable `WGPU_GLES_MINOR_VERSION`.
///
/// Possible values are `0`, `1`, `2` or `automatic`. Case insensitive.
///
/// Use with `unwrap_or_default()` to get the default value if the environment variable is not set.
#[must_use]
pub fn from_env() -> Option<Self> {
let value = crate::env::var("WGPU_GLES_MINOR_VERSION")
.as_deref()?
.to_lowercase();
match value.as_str() {
"automatic" => Some(Self::Automatic),
"0" => Some(Self::Version0),
"1" => Some(Self::Version1),
"2" => Some(Self::Version2),
_ => None,
}
}
/// Takes the given compiler, modifies it based on the `WGPU_GLES_MINOR_VERSION` environment variable, and returns the result.
///
/// See `from_env` for more information.
#[must_use]
pub fn with_env(self) -> Self {
if let Some(compiler) = Self::from_env() {
compiler
} else {
self
}
}
}

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//! Utilitary math functions.
use core::ops::{Add, Rem, Sub};
///
/// Aligns a `value` to an `alignment`.
///
/// Returns the first number greater than or equal to `value` that is also a
/// multiple of `alignment`. If `value` is already a multiple of `alignment`,
/// `value` will be returned.
///
/// # Examples
///
/// ```
/// # use wgpu_types::math::align_to;
/// assert_eq!(align_to(253, 16), 256);
/// assert_eq!(align_to(256, 16), 256);
/// assert_eq!(align_to(0, 16), 0);
/// ```
///
pub fn align_to<T>(value: T, alignment: T) -> T
where
T: Add<Output = T> + Copy + Default + PartialEq<T> + Rem<Output = T> + Sub<Output = T>,
{
let remainder = value % alignment;
if remainder == T::default() {
value
} else {
value + alignment - remainder
}
}