wgpu_hal/auxil/
mod.rs

1#[cfg(dx12)]
2pub(super) mod dxgi;
3
4#[cfg(all(native, feature = "renderdoc"))]
5pub(super) mod renderdoc;
6
7pub mod db {
8    pub mod amd {
9        /// cbindgen:ignore
10        pub const VENDOR: u32 = 0x1002;
11    }
12    pub mod apple {
13        /// cbindgen:ignore
14        pub const VENDOR: u32 = 0x106B;
15    }
16    pub mod arm {
17        /// cbindgen:ignore
18        pub const VENDOR: u32 = 0x13B5;
19    }
20    pub mod broadcom {
21        /// cbindgen:ignore
22        pub const VENDOR: u32 = 0x14E4;
23    }
24    pub mod imgtec {
25        /// cbindgen:ignore
26        pub const VENDOR: u32 = 0x1010;
27    }
28    pub mod intel {
29        /// cbindgen:ignore
30        pub const VENDOR: u32 = 0x8086;
31        pub const DEVICE_KABY_LAKE_MASK: u32 = 0x5900;
32        pub const DEVICE_SKY_LAKE_MASK: u32 = 0x1900;
33    }
34    pub mod mesa {
35        // Mesa does not actually have a PCI vendor id.
36        //
37        // To match Vulkan, we use the VkVendorId for Mesa in the gles backend so that lavapipe (Vulkan) and
38        // llvmpipe (OpenGL) have the same vendor id.
39        /// cbindgen:ignore
40        pub const VENDOR: u32 = 0x10005;
41    }
42    pub mod nvidia {
43        /// cbindgen:ignore
44        pub const VENDOR: u32 = 0x10DE;
45    }
46    pub mod qualcomm {
47        /// cbindgen:ignore
48        pub const VENDOR: u32 = 0x5143;
49    }
50}
51
52/// Maximum binding size for the shaders that only support `i32` indexing.
53/// Interestingly, the index itself can't reach that high, because the minimum
54/// element size is 4 bytes, but the compiler toolchain still computes the
55/// offset at some intermediate point, internally, as i32.
56pub const MAX_I32_BINDING_SIZE: u32 = (1 << 31) - 1;
57
58pub fn map_naga_stage(stage: naga::ShaderStage) -> wgt::ShaderStages {
59    match stage {
60        naga::ShaderStage::Vertex => wgt::ShaderStages::VERTEX,
61        naga::ShaderStage::Fragment => wgt::ShaderStages::FRAGMENT,
62        naga::ShaderStage::Compute => wgt::ShaderStages::COMPUTE,
63        naga::ShaderStage::Task => wgt::ShaderStages::TASK,
64        naga::ShaderStage::Mesh => wgt::ShaderStages::MESH,
65    }
66}
67
68impl crate::CopyExtent {
69    pub fn map_extent_to_copy_size(extent: &wgt::Extent3d, dim: wgt::TextureDimension) -> Self {
70        Self {
71            width: extent.width,
72            height: extent.height,
73            depth: match dim {
74                wgt::TextureDimension::D1 | wgt::TextureDimension::D2 => 1,
75                wgt::TextureDimension::D3 => extent.depth_or_array_layers,
76            },
77        }
78    }
79
80    pub fn min(&self, other: &Self) -> Self {
81        Self {
82            width: self.width.min(other.width),
83            height: self.height.min(other.height),
84            depth: self.depth.min(other.depth),
85        }
86    }
87
88    // Get the copy size at a specific mipmap level. This doesn't make most sense,
89    // since the copy extents are provided *for* a mipmap level to start with.
90    // But backends use `CopyExtent` more sparingly, and this piece is shared.
91    pub fn at_mip_level(&self, level: u32) -> Self {
92        Self {
93            width: (self.width >> level).max(1),
94            height: (self.height >> level).max(1),
95            depth: (self.depth >> level).max(1),
96        }
97    }
98}
99
100impl crate::TextureCopyBase {
101    pub fn max_copy_size(&self, full_size: &crate::CopyExtent) -> crate::CopyExtent {
102        let mip = full_size.at_mip_level(self.mip_level);
103        crate::CopyExtent {
104            width: mip.width - self.origin.x,
105            height: mip.height - self.origin.y,
106            depth: mip.depth - self.origin.z,
107        }
108    }
109}
110
111impl crate::BufferTextureCopy {
112    pub fn clamp_size_to_virtual(&mut self, full_size: &crate::CopyExtent) {
113        let max_size = self.texture_base.max_copy_size(full_size);
114        self.size = self.size.min(&max_size);
115    }
116}
117
118impl crate::TextureCopy {
119    pub fn clamp_size_to_virtual(
120        &mut self,
121        full_src_size: &crate::CopyExtent,
122        full_dst_size: &crate::CopyExtent,
123    ) {
124        let max_src_size = self.src_base.max_copy_size(full_src_size);
125        let max_dst_size = self.dst_base.max_copy_size(full_dst_size);
126        self.size = self.size.min(&max_src_size).min(&max_dst_size);
127    }
128}
wgpu_hal/auxil/mod.rs

wgpu_hal/auxil/
mod.rs
