mirror of
https://github.com/gfx-rs/wgpu.git
synced 2026-04-22 03:02:01 -04:00
a6fa6896ea
This makes it a lot easier to avoid making memory management mistakes. It also is closer to the semantics that windows-rs exposes for it's bindings.
122 lines
3.1 KiB
Rust
122 lines
3.1 KiB
Rust
#[macro_use]
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extern crate bitflags;
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use std::{convert::TryFrom, ffi::CStr};
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use winapi::{
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shared::dxgiformat,
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um::{d3d12, d3dcommon},
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};
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mod com;
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mod command_allocator;
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mod command_list;
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mod debug;
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mod descriptor;
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mod device;
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mod dxgi;
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mod heap;
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mod pso;
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mod query;
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mod queue;
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mod resource;
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mod sync;
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pub use crate::com::*;
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pub use crate::command_allocator::*;
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pub use crate::command_list::*;
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pub use crate::debug::*;
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pub use crate::descriptor::*;
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pub use crate::device::*;
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pub use crate::dxgi::*;
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pub use crate::heap::*;
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pub use crate::pso::*;
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pub use crate::query::*;
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pub use crate::queue::*;
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pub use crate::resource::*;
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pub use crate::sync::*;
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pub use winapi::shared::winerror::HRESULT;
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pub type D3DResult<T> = (T, HRESULT);
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pub type GpuAddress = d3d12::D3D12_GPU_VIRTUAL_ADDRESS;
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pub type Format = dxgiformat::DXGI_FORMAT;
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pub type Rect = d3d12::D3D12_RECT;
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pub type NodeMask = u32;
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/// Index into the root signature.
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pub type RootIndex = u32;
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/// Draw vertex count.
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pub type VertexCount = u32;
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/// Draw vertex base offset.
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pub type VertexOffset = i32;
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/// Draw number of indices.
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pub type IndexCount = u32;
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/// Draw number of instances.
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pub type InstanceCount = u32;
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/// Number of work groups.
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pub type WorkGroupCount = [u32; 3];
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pub type TextureAddressMode = [d3d12::D3D12_TEXTURE_ADDRESS_MODE; 3];
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pub struct SampleDesc {
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pub count: u32,
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pub quality: u32,
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}
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#[repr(u32)]
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#[non_exhaustive]
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pub enum FeatureLevel {
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L9_1 = d3dcommon::D3D_FEATURE_LEVEL_9_1,
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L9_2 = d3dcommon::D3D_FEATURE_LEVEL_9_2,
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L9_3 = d3dcommon::D3D_FEATURE_LEVEL_9_3,
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L10_0 = d3dcommon::D3D_FEATURE_LEVEL_10_0,
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L10_1 = d3dcommon::D3D_FEATURE_LEVEL_10_1,
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L11_0 = d3dcommon::D3D_FEATURE_LEVEL_11_0,
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L11_1 = d3dcommon::D3D_FEATURE_LEVEL_11_1,
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L12_0 = d3dcommon::D3D_FEATURE_LEVEL_12_0,
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L12_1 = d3dcommon::D3D_FEATURE_LEVEL_12_1,
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}
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impl TryFrom<u32> for FeatureLevel {
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type Error = ();
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fn try_from(value: u32) -> Result<Self, Self::Error> {
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Ok(match value {
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d3dcommon::D3D_FEATURE_LEVEL_9_1 => Self::L9_1,
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d3dcommon::D3D_FEATURE_LEVEL_9_2 => Self::L9_2,
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d3dcommon::D3D_FEATURE_LEVEL_9_3 => Self::L9_3,
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d3dcommon::D3D_FEATURE_LEVEL_10_0 => Self::L10_0,
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d3dcommon::D3D_FEATURE_LEVEL_10_1 => Self::L10_1,
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d3dcommon::D3D_FEATURE_LEVEL_11_0 => Self::L11_0,
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d3dcommon::D3D_FEATURE_LEVEL_11_1 => Self::L11_1,
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d3dcommon::D3D_FEATURE_LEVEL_12_0 => Self::L12_0,
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d3dcommon::D3D_FEATURE_LEVEL_12_1 => Self::L12_1,
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_ => return Err(()),
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})
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}
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}
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pub type Blob = ComPtr<d3dcommon::ID3DBlob>;
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pub type Error = ComPtr<d3dcommon::ID3DBlob>;
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impl Error {
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pub unsafe fn as_c_str(&self) -> &CStr {
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debug_assert!(!self.is_null());
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let data = self.GetBufferPointer();
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CStr::from_ptr(data as *const _ as *const _)
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}
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}
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#[cfg(feature = "libloading")]
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#[derive(Debug)]
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pub struct D3D12Lib {
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lib: libloading::Library,
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}
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#[cfg(feature = "libloading")]
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impl D3D12Lib {
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pub fn new() -> Result<Self, libloading::Error> {
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unsafe { libloading::Library::new("d3d12.dll").map(|lib| D3D12Lib { lib }) }
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}
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}
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