wgpu_hal/vulkan/
conv.rs

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1use alloc::vec::Vec;
2
3use ash::vk;
4
5impl super::PrivateCapabilities {
6    pub fn map_texture_format(&self, format: wgt::TextureFormat) -> vk::Format {
7        use ash::vk::Format as F;
8        use wgt::TextureFormat as Tf;
9        use wgt::{AstcBlock, AstcChannel};
10        match format {
11            Tf::R8Unorm => F::R8_UNORM,
12            Tf::R8Snorm => F::R8_SNORM,
13            Tf::R8Uint => F::R8_UINT,
14            Tf::R8Sint => F::R8_SINT,
15            Tf::R16Uint => F::R16_UINT,
16            Tf::R16Sint => F::R16_SINT,
17            Tf::R16Unorm => F::R16_UNORM,
18            Tf::R16Snorm => F::R16_SNORM,
19            Tf::R16Float => F::R16_SFLOAT,
20            Tf::Rg8Unorm => F::R8G8_UNORM,
21            Tf::Rg8Snorm => F::R8G8_SNORM,
22            Tf::Rg8Uint => F::R8G8_UINT,
23            Tf::Rg8Sint => F::R8G8_SINT,
24            Tf::Rg16Unorm => F::R16G16_UNORM,
25            Tf::Rg16Snorm => F::R16G16_SNORM,
26            Tf::R32Uint => F::R32_UINT,
27            Tf::R32Sint => F::R32_SINT,
28            Tf::R32Float => F::R32_SFLOAT,
29            Tf::Rg16Uint => F::R16G16_UINT,
30            Tf::Rg16Sint => F::R16G16_SINT,
31            Tf::Rg16Float => F::R16G16_SFLOAT,
32            Tf::Rgba8Unorm => F::R8G8B8A8_UNORM,
33            Tf::Rgba8UnormSrgb => F::R8G8B8A8_SRGB,
34            Tf::Bgra8UnormSrgb => F::B8G8R8A8_SRGB,
35            Tf::Rgba8Snorm => F::R8G8B8A8_SNORM,
36            Tf::Bgra8Unorm => F::B8G8R8A8_UNORM,
37            Tf::Rgba8Uint => F::R8G8B8A8_UINT,
38            Tf::Rgba8Sint => F::R8G8B8A8_SINT,
39            Tf::Rgb10a2Uint => F::A2B10G10R10_UINT_PACK32,
40            Tf::Rgb10a2Unorm => F::A2B10G10R10_UNORM_PACK32,
41            Tf::Rg11b10Ufloat => F::B10G11R11_UFLOAT_PACK32,
42            Tf::R64Uint => F::R64_UINT,
43            Tf::Rg32Uint => F::R32G32_UINT,
44            Tf::Rg32Sint => F::R32G32_SINT,
45            Tf::Rg32Float => F::R32G32_SFLOAT,
46            Tf::Rgba16Uint => F::R16G16B16A16_UINT,
47            Tf::Rgba16Sint => F::R16G16B16A16_SINT,
48            Tf::Rgba16Unorm => F::R16G16B16A16_UNORM,
49            Tf::Rgba16Snorm => F::R16G16B16A16_SNORM,
50            Tf::Rgba16Float => F::R16G16B16A16_SFLOAT,
51            Tf::Rgba32Uint => F::R32G32B32A32_UINT,
52            Tf::Rgba32Sint => F::R32G32B32A32_SINT,
53            Tf::Rgba32Float => F::R32G32B32A32_SFLOAT,
54            Tf::Depth32Float => F::D32_SFLOAT,
55            Tf::Depth32FloatStencil8 => F::D32_SFLOAT_S8_UINT,
56            Tf::Depth24Plus => {
57                if self.texture_d24 {
58                    F::X8_D24_UNORM_PACK32
59                } else {
60                    F::D32_SFLOAT
61                }
62            }
63            Tf::Depth24PlusStencil8 => {
64                if self.texture_d24_s8 {
65                    F::D24_UNORM_S8_UINT
66                } else {
67                    F::D32_SFLOAT_S8_UINT
68                }
69            }
70            Tf::Stencil8 => {
71                if self.texture_s8 {
72                    F::S8_UINT
73                } else if self.texture_d24_s8 {
74                    F::D24_UNORM_S8_UINT
75                } else {
76                    F::D32_SFLOAT_S8_UINT
77                }
78            }
79            Tf::Depth16Unorm => F::D16_UNORM,
80            Tf::NV12 => F::G8_B8R8_2PLANE_420_UNORM,
81            Tf::P010 => F::G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16,
82            Tf::Rgb9e5Ufloat => F::E5B9G9R9_UFLOAT_PACK32,
83            Tf::Bc1RgbaUnorm => F::BC1_RGBA_UNORM_BLOCK,
84            Tf::Bc1RgbaUnormSrgb => F::BC1_RGBA_SRGB_BLOCK,
85            Tf::Bc2RgbaUnorm => F::BC2_UNORM_BLOCK,
86            Tf::Bc2RgbaUnormSrgb => F::BC2_SRGB_BLOCK,
87            Tf::Bc3RgbaUnorm => F::BC3_UNORM_BLOCK,
88            Tf::Bc3RgbaUnormSrgb => F::BC3_SRGB_BLOCK,
89            Tf::Bc4RUnorm => F::BC4_UNORM_BLOCK,
90            Tf::Bc4RSnorm => F::BC4_SNORM_BLOCK,
91            Tf::Bc5RgUnorm => F::BC5_UNORM_BLOCK,
92            Tf::Bc5RgSnorm => F::BC5_SNORM_BLOCK,
93            Tf::Bc6hRgbUfloat => F::BC6H_UFLOAT_BLOCK,
94            Tf::Bc6hRgbFloat => F::BC6H_SFLOAT_BLOCK,
95            Tf::Bc7RgbaUnorm => F::BC7_UNORM_BLOCK,
96            Tf::Bc7RgbaUnormSrgb => F::BC7_SRGB_BLOCK,
97            Tf::Etc2Rgb8Unorm => F::ETC2_R8G8B8_UNORM_BLOCK,
98            Tf::Etc2Rgb8UnormSrgb => F::ETC2_R8G8B8_SRGB_BLOCK,
99            Tf::Etc2Rgb8A1Unorm => F::ETC2_R8G8B8A1_UNORM_BLOCK,
100            Tf::Etc2Rgb8A1UnormSrgb => F::ETC2_R8G8B8A1_SRGB_BLOCK,
101            Tf::Etc2Rgba8Unorm => F::ETC2_R8G8B8A8_UNORM_BLOCK,
102            Tf::Etc2Rgba8UnormSrgb => F::ETC2_R8G8B8A8_SRGB_BLOCK,
103            Tf::EacR11Unorm => F::EAC_R11_UNORM_BLOCK,
104            Tf::EacR11Snorm => F::EAC_R11_SNORM_BLOCK,
105            Tf::EacRg11Unorm => F::EAC_R11G11_UNORM_BLOCK,
106            Tf::EacRg11Snorm => F::EAC_R11G11_SNORM_BLOCK,
107            Tf::Astc { block, channel } => match channel {
108                AstcChannel::Unorm => match block {
109                    AstcBlock::B4x4 => F::ASTC_4X4_UNORM_BLOCK,
110                    AstcBlock::B5x4 => F::ASTC_5X4_UNORM_BLOCK,
111                    AstcBlock::B5x5 => F::ASTC_5X5_UNORM_BLOCK,
112                    AstcBlock::B6x5 => F::ASTC_6X5_UNORM_BLOCK,
113                    AstcBlock::B6x6 => F::ASTC_6X6_UNORM_BLOCK,
114                    AstcBlock::B8x5 => F::ASTC_8X5_UNORM_BLOCK,
115                    AstcBlock::B8x6 => F::ASTC_8X6_UNORM_BLOCK,
116                    AstcBlock::B8x8 => F::ASTC_8X8_UNORM_BLOCK,
117                    AstcBlock::B10x5 => F::ASTC_10X5_UNORM_BLOCK,
118                    AstcBlock::B10x6 => F::ASTC_10X6_UNORM_BLOCK,
119                    AstcBlock::B10x8 => F::ASTC_10X8_UNORM_BLOCK,
120                    AstcBlock::B10x10 => F::ASTC_10X10_UNORM_BLOCK,
121                    AstcBlock::B12x10 => F::ASTC_12X10_UNORM_BLOCK,
122                    AstcBlock::B12x12 => F::ASTC_12X12_UNORM_BLOCK,
123                },
124                AstcChannel::UnormSrgb => match block {
125                    AstcBlock::B4x4 => F::ASTC_4X4_SRGB_BLOCK,
126                    AstcBlock::B5x4 => F::ASTC_5X4_SRGB_BLOCK,
127                    AstcBlock::B5x5 => F::ASTC_5X5_SRGB_BLOCK,
128                    AstcBlock::B6x5 => F::ASTC_6X5_SRGB_BLOCK,
129                    AstcBlock::B6x6 => F::ASTC_6X6_SRGB_BLOCK,
130                    AstcBlock::B8x5 => F::ASTC_8X5_SRGB_BLOCK,
131                    AstcBlock::B8x6 => F::ASTC_8X6_SRGB_BLOCK,
132                    AstcBlock::B8x8 => F::ASTC_8X8_SRGB_BLOCK,
133                    AstcBlock::B10x5 => F::ASTC_10X5_SRGB_BLOCK,
134                    AstcBlock::B10x6 => F::ASTC_10X6_SRGB_BLOCK,
135                    AstcBlock::B10x8 => F::ASTC_10X8_SRGB_BLOCK,
136                    AstcBlock::B10x10 => F::ASTC_10X10_SRGB_BLOCK,
137                    AstcBlock::B12x10 => F::ASTC_12X10_SRGB_BLOCK,
138                    AstcBlock::B12x12 => F::ASTC_12X12_SRGB_BLOCK,
139                },
140                AstcChannel::Hdr => match block {
141                    AstcBlock::B4x4 => F::ASTC_4X4_SFLOAT_BLOCK_EXT,
142                    AstcBlock::B5x4 => F::ASTC_5X4_SFLOAT_BLOCK_EXT,
143                    AstcBlock::B5x5 => F::ASTC_5X5_SFLOAT_BLOCK_EXT,
144                    AstcBlock::B6x5 => F::ASTC_6X5_SFLOAT_BLOCK_EXT,
145                    AstcBlock::B6x6 => F::ASTC_6X6_SFLOAT_BLOCK_EXT,
146                    AstcBlock::B8x5 => F::ASTC_8X5_SFLOAT_BLOCK_EXT,
147                    AstcBlock::B8x6 => F::ASTC_8X6_SFLOAT_BLOCK_EXT,
148                    AstcBlock::B8x8 => F::ASTC_8X8_SFLOAT_BLOCK_EXT,
149                    AstcBlock::B10x5 => F::ASTC_10X5_SFLOAT_BLOCK_EXT,
150                    AstcBlock::B10x6 => F::ASTC_10X6_SFLOAT_BLOCK_EXT,
151                    AstcBlock::B10x8 => F::ASTC_10X8_SFLOAT_BLOCK_EXT,
152                    AstcBlock::B10x10 => F::ASTC_10X10_SFLOAT_BLOCK_EXT,
153                    AstcBlock::B12x10 => F::ASTC_12X10_SFLOAT_BLOCK_EXT,
154                    AstcBlock::B12x12 => F::ASTC_12X12_SFLOAT_BLOCK_EXT,
155                },
156            },
157        }
158    }
159}
160
161pub fn map_vk_surface_formats(sf: vk::SurfaceFormatKHR) -> Option<wgt::TextureFormat> {
162    use ash::vk::Format as F;
163    use wgt::TextureFormat as Tf;
164    // List we care about pulled from https://vulkan.gpuinfo.org/listsurfaceformats.php
165    Some(match sf.color_space {
166        vk::ColorSpaceKHR::SRGB_NONLINEAR => match sf.format {
167            F::B8G8R8A8_UNORM => Tf::Bgra8Unorm,
168            F::B8G8R8A8_SRGB => Tf::Bgra8UnormSrgb,
169            F::R8G8B8A8_SNORM => Tf::Rgba8Snorm,
170            F::R8G8B8A8_UNORM => Tf::Rgba8Unorm,
171            F::R8G8B8A8_SRGB => Tf::Rgba8UnormSrgb,
172            _ => return None,
173        },
174        vk::ColorSpaceKHR::EXTENDED_SRGB_LINEAR_EXT => match sf.format {
175            F::R16G16B16A16_SFLOAT => Tf::Rgba16Float,
176            F::R16G16B16A16_SNORM => Tf::Rgba16Snorm,
177            F::R16G16B16A16_UNORM => Tf::Rgba16Unorm,
178            F::A2B10G10R10_UNORM_PACK32 => Tf::Rgb10a2Unorm,
179            _ => return None,
180        },
181        _ => return None,
182    })
183}
184
185impl crate::Attachment<'_, super::TextureView> {
186    pub(super) fn make_attachment_key(&self, ops: crate::AttachmentOps) -> super::AttachmentKey {
187        super::AttachmentKey {
188            format: self.view.raw_format,
189            layout: derive_image_layout(self.usage, self.view.format),
190            ops,
191        }
192    }
193}
194
195impl crate::ColorAttachment<'_, super::TextureView> {
196    pub(super) unsafe fn make_vk_clear_color(&self) -> vk::ClearColorValue {
197        let cv = &self.clear_value;
198        match self.target.view.format.sample_type(None, None).unwrap() {
199            wgt::TextureSampleType::Float { .. } => vk::ClearColorValue {
200                float32: [cv.r as f32, cv.g as f32, cv.b as f32, cv.a as f32],
201            },
202            wgt::TextureSampleType::Sint => vk::ClearColorValue {
203                int32: [cv.r as i32, cv.g as i32, cv.b as i32, cv.a as i32],
204            },
205            wgt::TextureSampleType::Uint => vk::ClearColorValue {
206                uint32: [cv.r as u32, cv.g as u32, cv.b as u32, cv.a as u32],
207            },
208            wgt::TextureSampleType::Depth => unreachable!(),
209        }
210    }
211}
212
213pub fn derive_image_layout(usage: wgt::TextureUses, format: wgt::TextureFormat) -> vk::ImageLayout {
214    // Note: depth textures are always sampled with RODS layout
215    let is_color = !format.is_depth_stencil_format();
216    match usage {
217        wgt::TextureUses::UNINITIALIZED => vk::ImageLayout::UNDEFINED,
218        wgt::TextureUses::COPY_SRC => vk::ImageLayout::TRANSFER_SRC_OPTIMAL,
219        wgt::TextureUses::COPY_DST => vk::ImageLayout::TRANSFER_DST_OPTIMAL,
220        wgt::TextureUses::RESOURCE if is_color => vk::ImageLayout::SHADER_READ_ONLY_OPTIMAL,
221        wgt::TextureUses::COLOR_TARGET => vk::ImageLayout::COLOR_ATTACHMENT_OPTIMAL,
222        wgt::TextureUses::DEPTH_STENCIL_WRITE => vk::ImageLayout::DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
223        _ => {
224            if usage == wgt::TextureUses::PRESENT {
225                vk::ImageLayout::PRESENT_SRC_KHR
226            } else if is_color {
227                vk::ImageLayout::GENERAL
228            } else {
229                vk::ImageLayout::DEPTH_STENCIL_READ_ONLY_OPTIMAL
230            }
231        }
232    }
233}
234
235pub fn map_texture_usage(usage: wgt::TextureUses) -> vk::ImageUsageFlags {
236    let mut flags = vk::ImageUsageFlags::empty();
237    if usage.contains(wgt::TextureUses::COPY_SRC) {
238        flags |= vk::ImageUsageFlags::TRANSFER_SRC;
239    }
240    if usage.contains(wgt::TextureUses::COPY_DST) {
241        flags |= vk::ImageUsageFlags::TRANSFER_DST;
242    }
243    if usage.contains(wgt::TextureUses::RESOURCE) {
244        flags |= vk::ImageUsageFlags::SAMPLED;
245    }
246    if usage.contains(wgt::TextureUses::COLOR_TARGET) {
247        flags |= vk::ImageUsageFlags::COLOR_ATTACHMENT;
248    }
249    if usage
250        .intersects(wgt::TextureUses::DEPTH_STENCIL_READ | wgt::TextureUses::DEPTH_STENCIL_WRITE)
251    {
252        flags |= vk::ImageUsageFlags::DEPTH_STENCIL_ATTACHMENT;
253    }
254    if usage.intersects(
255        wgt::TextureUses::STORAGE_READ_ONLY
256            | wgt::TextureUses::STORAGE_WRITE_ONLY
257            | wgt::TextureUses::STORAGE_READ_WRITE
258            | wgt::TextureUses::STORAGE_ATOMIC,
259    ) {
260        flags |= vk::ImageUsageFlags::STORAGE;
261    }
262    flags
263}
264
265pub fn map_texture_usage_to_barrier(
266    usage: wgt::TextureUses,
267) -> (vk::PipelineStageFlags, vk::AccessFlags) {
268    let mut stages = vk::PipelineStageFlags::empty();
269    let mut access = vk::AccessFlags::empty();
270    let shader_stages = vk::PipelineStageFlags::VERTEX_SHADER
271        | vk::PipelineStageFlags::FRAGMENT_SHADER
272        | vk::PipelineStageFlags::COMPUTE_SHADER;
273
274    if usage.contains(wgt::TextureUses::COPY_SRC) {
275        stages |= vk::PipelineStageFlags::TRANSFER;
276        access |= vk::AccessFlags::TRANSFER_READ;
277    }
278    if usage.contains(wgt::TextureUses::COPY_DST) {
279        stages |= vk::PipelineStageFlags::TRANSFER;
280        access |= vk::AccessFlags::TRANSFER_WRITE;
281    }
282    if usage.contains(wgt::TextureUses::RESOURCE) {
283        stages |= shader_stages;
284        access |= vk::AccessFlags::SHADER_READ;
285    }
286    if usage.contains(wgt::TextureUses::COLOR_TARGET) {
287        stages |= vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT;
288        access |= vk::AccessFlags::COLOR_ATTACHMENT_READ | vk::AccessFlags::COLOR_ATTACHMENT_WRITE;
289    }
290    if usage.intersects(wgt::TextureUses::DEPTH_STENCIL_READ) {
291        stages |= vk::PipelineStageFlags::EARLY_FRAGMENT_TESTS
292            | vk::PipelineStageFlags::LATE_FRAGMENT_TESTS;
293        access |= vk::AccessFlags::DEPTH_STENCIL_ATTACHMENT_READ;
294    }
295    if usage.intersects(wgt::TextureUses::DEPTH_STENCIL_WRITE) {
296        stages |= vk::PipelineStageFlags::EARLY_FRAGMENT_TESTS
297            | vk::PipelineStageFlags::LATE_FRAGMENT_TESTS;
298        access |= vk::AccessFlags::DEPTH_STENCIL_ATTACHMENT_READ
299            | vk::AccessFlags::DEPTH_STENCIL_ATTACHMENT_WRITE;
300    }
301    if usage.intersects(
302        wgt::TextureUses::STORAGE_READ_ONLY
303            | wgt::TextureUses::STORAGE_READ_WRITE
304            | wgt::TextureUses::STORAGE_ATOMIC,
305    ) {
306        stages |= shader_stages;
307        access |= vk::AccessFlags::SHADER_READ;
308    }
309    if usage.intersects(
310        wgt::TextureUses::STORAGE_WRITE_ONLY
311            | wgt::TextureUses::STORAGE_READ_WRITE
312            | wgt::TextureUses::STORAGE_ATOMIC,
313    ) {
314        stages |= shader_stages;
315        access |= vk::AccessFlags::SHADER_WRITE;
316    }
317
318    if usage == wgt::TextureUses::UNINITIALIZED || usage == wgt::TextureUses::PRESENT {
319        (
320            vk::PipelineStageFlags::TOP_OF_PIPE,
321            vk::AccessFlags::empty(),
322        )
323    } else {
324        (stages, access)
325    }
326}
327
328pub fn map_vk_image_usage(usage: vk::ImageUsageFlags) -> wgt::TextureUses {
329    let mut bits = wgt::TextureUses::empty();
330    if usage.contains(vk::ImageUsageFlags::TRANSFER_SRC) {
331        bits |= wgt::TextureUses::COPY_SRC;
332    }
333    if usage.contains(vk::ImageUsageFlags::TRANSFER_DST) {
334        bits |= wgt::TextureUses::COPY_DST;
335    }
336    if usage.contains(vk::ImageUsageFlags::SAMPLED) {
337        bits |= wgt::TextureUses::RESOURCE;
338    }
339    if usage.contains(vk::ImageUsageFlags::COLOR_ATTACHMENT) {
340        bits |= wgt::TextureUses::COLOR_TARGET;
341    }
342    if usage.contains(vk::ImageUsageFlags::DEPTH_STENCIL_ATTACHMENT) {
343        bits |= wgt::TextureUses::DEPTH_STENCIL_READ | wgt::TextureUses::DEPTH_STENCIL_WRITE;
344    }
345    if usage.contains(vk::ImageUsageFlags::STORAGE) {
346        bits |= wgt::TextureUses::STORAGE_READ_ONLY
347            | wgt::TextureUses::STORAGE_WRITE_ONLY
348            | wgt::TextureUses::STORAGE_READ_WRITE
349            | wgt::TextureUses::STORAGE_ATOMIC;
350    }
351    bits
352}
353
354pub fn map_texture_dimension(dim: wgt::TextureDimension) -> vk::ImageType {
355    match dim {
356        wgt::TextureDimension::D1 => vk::ImageType::TYPE_1D,
357        wgt::TextureDimension::D2 => vk::ImageType::TYPE_2D,
358        wgt::TextureDimension::D3 => vk::ImageType::TYPE_3D,
359    }
360}
361
362pub fn map_index_format(index_format: wgt::IndexFormat) -> vk::IndexType {
363    match index_format {
364        wgt::IndexFormat::Uint16 => vk::IndexType::UINT16,
365        wgt::IndexFormat::Uint32 => vk::IndexType::UINT32,
366    }
367}
368
369pub fn map_vertex_format(vertex_format: wgt::VertexFormat) -> vk::Format {
370    use wgt::VertexFormat as Vf;
371    match vertex_format {
372        Vf::Uint8 => vk::Format::R8_UINT,
373        Vf::Uint8x2 => vk::Format::R8G8_UINT,
374        Vf::Uint8x4 => vk::Format::R8G8B8A8_UINT,
375        Vf::Sint8 => vk::Format::R8_SINT,
376        Vf::Sint8x2 => vk::Format::R8G8_SINT,
377        Vf::Sint8x4 => vk::Format::R8G8B8A8_SINT,
378        Vf::Unorm8 => vk::Format::R8_UNORM,
379        Vf::Unorm8x2 => vk::Format::R8G8_UNORM,
380        Vf::Unorm8x4 => vk::Format::R8G8B8A8_UNORM,
381        Vf::Snorm8 => vk::Format::R8_SNORM,
382        Vf::Snorm8x2 => vk::Format::R8G8_SNORM,
383        Vf::Snorm8x4 => vk::Format::R8G8B8A8_SNORM,
384        Vf::Uint16 => vk::Format::R16_UINT,
385        Vf::Uint16x2 => vk::Format::R16G16_UINT,
386        Vf::Uint16x4 => vk::Format::R16G16B16A16_UINT,
387        Vf::Sint16 => vk::Format::R16_SINT,
388        Vf::Sint16x2 => vk::Format::R16G16_SINT,
389        Vf::Sint16x4 => vk::Format::R16G16B16A16_SINT,
390        Vf::Unorm16 => vk::Format::R16_UNORM,
391        Vf::Unorm16x2 => vk::Format::R16G16_UNORM,
392        Vf::Unorm16x4 => vk::Format::R16G16B16A16_UNORM,
393        Vf::Snorm16 => vk::Format::R16_SNORM,
394        Vf::Snorm16x2 => vk::Format::R16G16_SNORM,
395        Vf::Snorm16x4 => vk::Format::R16G16B16A16_SNORM,
396        Vf::Float16 => vk::Format::R16_SFLOAT,
397        Vf::Float16x2 => vk::Format::R16G16_SFLOAT,
398        Vf::Float16x4 => vk::Format::R16G16B16A16_SFLOAT,
399        Vf::Float32 => vk::Format::R32_SFLOAT,
400        Vf::Float32x2 => vk::Format::R32G32_SFLOAT,
401        Vf::Float32x3 => vk::Format::R32G32B32_SFLOAT,
402        Vf::Float32x4 => vk::Format::R32G32B32A32_SFLOAT,
403        Vf::Uint32 => vk::Format::R32_UINT,
404        Vf::Uint32x2 => vk::Format::R32G32_UINT,
405        Vf::Uint32x3 => vk::Format::R32G32B32_UINT,
406        Vf::Uint32x4 => vk::Format::R32G32B32A32_UINT,
407        Vf::Sint32 => vk::Format::R32_SINT,
408        Vf::Sint32x2 => vk::Format::R32G32_SINT,
409        Vf::Sint32x3 => vk::Format::R32G32B32_SINT,
410        Vf::Sint32x4 => vk::Format::R32G32B32A32_SINT,
411        Vf::Float64 => vk::Format::R64_SFLOAT,
412        Vf::Float64x2 => vk::Format::R64G64_SFLOAT,
413        Vf::Float64x3 => vk::Format::R64G64B64_SFLOAT,
414        Vf::Float64x4 => vk::Format::R64G64B64A64_SFLOAT,
415        Vf::Unorm10_10_10_2 => vk::Format::A2B10G10R10_UNORM_PACK32,
416        Vf::Unorm8x4Bgra => vk::Format::B8G8R8A8_UNORM,
417    }
418}
419
420pub fn map_aspects(aspects: crate::FormatAspects) -> vk::ImageAspectFlags {
421    let mut flags = vk::ImageAspectFlags::empty();
422    if aspects.contains(crate::FormatAspects::COLOR) {
423        flags |= vk::ImageAspectFlags::COLOR;
424    }
425    if aspects.contains(crate::FormatAspects::DEPTH) {
426        flags |= vk::ImageAspectFlags::DEPTH;
427    }
428    if aspects.contains(crate::FormatAspects::STENCIL) {
429        flags |= vk::ImageAspectFlags::STENCIL;
430    }
431    if aspects.contains(crate::FormatAspects::PLANE_0) {
432        flags |= vk::ImageAspectFlags::PLANE_0;
433    }
434    if aspects.contains(crate::FormatAspects::PLANE_1) {
435        flags |= vk::ImageAspectFlags::PLANE_1;
436    }
437    if aspects.contains(crate::FormatAspects::PLANE_2) {
438        flags |= vk::ImageAspectFlags::PLANE_2;
439    }
440    flags
441}
442
443pub fn map_attachment_ops(
444    op: crate::AttachmentOps,
445) -> (vk::AttachmentLoadOp, vk::AttachmentStoreOp) {
446    let load_op = if op.contains(crate::AttachmentOps::LOAD) {
447        vk::AttachmentLoadOp::LOAD
448    } else {
449        vk::AttachmentLoadOp::CLEAR
450    };
451    let store_op = if op.contains(crate::AttachmentOps::STORE) {
452        vk::AttachmentStoreOp::STORE
453    } else {
454        vk::AttachmentStoreOp::DONT_CARE
455    };
456    (load_op, store_op)
457}
458
459pub fn map_present_mode(mode: wgt::PresentMode) -> vk::PresentModeKHR {
460    match mode {
461        wgt::PresentMode::Immediate => vk::PresentModeKHR::IMMEDIATE,
462        wgt::PresentMode::Mailbox => vk::PresentModeKHR::MAILBOX,
463        wgt::PresentMode::Fifo => vk::PresentModeKHR::FIFO,
464        wgt::PresentMode::FifoRelaxed => vk::PresentModeKHR::FIFO_RELAXED,
465        wgt::PresentMode::AutoNoVsync | wgt::PresentMode::AutoVsync => {
466            unreachable!("Cannot create swapchain with Auto PresentationMode")
467        }
468    }
469}
470
471pub fn map_vk_present_mode(mode: vk::PresentModeKHR) -> Option<wgt::PresentMode> {
472    // Not exposed in Ash yet.
473    const FIFO_LATEST_READY: vk::PresentModeKHR = vk::PresentModeKHR::from_raw(1_000_361_000);
474
475    // See https://registry.khronos.org/vulkan/specs/latest/man/html/VkPresentModeKHR.html
476    match mode {
477        vk::PresentModeKHR::IMMEDIATE => Some(wgt::PresentMode::Immediate),
478        vk::PresentModeKHR::MAILBOX => Some(wgt::PresentMode::Mailbox),
479        vk::PresentModeKHR::FIFO => Some(wgt::PresentMode::Fifo),
480        vk::PresentModeKHR::FIFO_RELAXED => Some(wgt::PresentMode::FifoRelaxed),
481
482        // Modes that aren't exposed yet.
483        vk::PresentModeKHR::SHARED_DEMAND_REFRESH => None,
484        vk::PresentModeKHR::SHARED_CONTINUOUS_REFRESH => None,
485        FIFO_LATEST_READY => None,
486
487        _ => {
488            log::debug!("Unrecognized present mode {mode:?}");
489            None
490        }
491    }
492}
493
494pub fn map_composite_alpha_mode(mode: wgt::CompositeAlphaMode) -> vk::CompositeAlphaFlagsKHR {
495    match mode {
496        wgt::CompositeAlphaMode::Opaque => vk::CompositeAlphaFlagsKHR::OPAQUE,
497        wgt::CompositeAlphaMode::PreMultiplied => vk::CompositeAlphaFlagsKHR::PRE_MULTIPLIED,
498        wgt::CompositeAlphaMode::PostMultiplied => vk::CompositeAlphaFlagsKHR::POST_MULTIPLIED,
499        wgt::CompositeAlphaMode::Inherit => vk::CompositeAlphaFlagsKHR::INHERIT,
500        wgt::CompositeAlphaMode::Auto => unreachable!(),
501    }
502}
503
504pub fn map_vk_composite_alpha(flags: vk::CompositeAlphaFlagsKHR) -> Vec<wgt::CompositeAlphaMode> {
505    let mut modes = Vec::new();
506    if flags.contains(vk::CompositeAlphaFlagsKHR::OPAQUE) {
507        modes.push(wgt::CompositeAlphaMode::Opaque);
508    }
509    if flags.contains(vk::CompositeAlphaFlagsKHR::PRE_MULTIPLIED) {
510        modes.push(wgt::CompositeAlphaMode::PreMultiplied);
511    }
512    if flags.contains(vk::CompositeAlphaFlagsKHR::POST_MULTIPLIED) {
513        modes.push(wgt::CompositeAlphaMode::PostMultiplied);
514    }
515    if flags.contains(vk::CompositeAlphaFlagsKHR::INHERIT) {
516        modes.push(wgt::CompositeAlphaMode::Inherit);
517    }
518    modes
519}
520
521pub fn map_buffer_usage(usage: wgt::BufferUses) -> vk::BufferUsageFlags {
522    let mut flags = vk::BufferUsageFlags::empty();
523    if usage.contains(wgt::BufferUses::COPY_SRC) {
524        flags |= vk::BufferUsageFlags::TRANSFER_SRC;
525    }
526    if usage.contains(wgt::BufferUses::COPY_DST) {
527        flags |= vk::BufferUsageFlags::TRANSFER_DST;
528    }
529    if usage.contains(wgt::BufferUses::UNIFORM) {
530        flags |= vk::BufferUsageFlags::UNIFORM_BUFFER;
531    }
532    if usage.intersects(wgt::BufferUses::STORAGE_READ_ONLY | wgt::BufferUses::STORAGE_READ_WRITE) {
533        flags |= vk::BufferUsageFlags::STORAGE_BUFFER;
534    }
535    if usage.contains(wgt::BufferUses::INDEX) {
536        flags |= vk::BufferUsageFlags::INDEX_BUFFER;
537    }
538    if usage.contains(wgt::BufferUses::VERTEX) {
539        flags |= vk::BufferUsageFlags::VERTEX_BUFFER;
540    }
541    if usage.contains(wgt::BufferUses::INDIRECT) {
542        flags |= vk::BufferUsageFlags::INDIRECT_BUFFER;
543    }
544    if usage.contains(wgt::BufferUses::ACCELERATION_STRUCTURE_SCRATCH) {
545        flags |= vk::BufferUsageFlags::STORAGE_BUFFER | vk::BufferUsageFlags::SHADER_DEVICE_ADDRESS;
546    }
547    if usage.intersects(
548        wgt::BufferUses::BOTTOM_LEVEL_ACCELERATION_STRUCTURE_INPUT
549            | wgt::BufferUses::TOP_LEVEL_ACCELERATION_STRUCTURE_INPUT,
550    ) {
551        flags |= vk::BufferUsageFlags::ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_KHR
552            | vk::BufferUsageFlags::SHADER_DEVICE_ADDRESS;
553    }
554    if usage.intersects(wgt::BufferUses::ACCELERATION_STRUCTURE_QUERY) {
555        flags |= vk::BufferUsageFlags::TRANSFER_DST;
556    }
557    flags
558}
559
560pub fn map_buffer_usage_to_barrier(
561    usage: wgt::BufferUses,
562) -> (vk::PipelineStageFlags, vk::AccessFlags) {
563    let mut stages = vk::PipelineStageFlags::empty();
564    let mut access = vk::AccessFlags::empty();
565    let shader_stages = vk::PipelineStageFlags::VERTEX_SHADER
566        | vk::PipelineStageFlags::FRAGMENT_SHADER
567        | vk::PipelineStageFlags::COMPUTE_SHADER;
568
569    if usage.contains(wgt::BufferUses::MAP_READ) {
570        stages |= vk::PipelineStageFlags::HOST;
571        access |= vk::AccessFlags::HOST_READ;
572    }
573    if usage.contains(wgt::BufferUses::MAP_WRITE) {
574        stages |= vk::PipelineStageFlags::HOST;
575        access |= vk::AccessFlags::HOST_WRITE;
576    }
577    if usage.contains(wgt::BufferUses::COPY_SRC) {
578        stages |= vk::PipelineStageFlags::TRANSFER;
579        access |= vk::AccessFlags::TRANSFER_READ;
580    }
581    if usage.contains(wgt::BufferUses::COPY_DST) {
582        stages |= vk::PipelineStageFlags::TRANSFER;
583        access |= vk::AccessFlags::TRANSFER_WRITE;
584    }
585    if usage.contains(wgt::BufferUses::UNIFORM) {
586        stages |= shader_stages;
587        access |= vk::AccessFlags::UNIFORM_READ;
588    }
589    if usage.intersects(wgt::BufferUses::STORAGE_READ_ONLY) {
590        stages |= shader_stages;
591        access |= vk::AccessFlags::SHADER_READ;
592    }
593    if usage.intersects(wgt::BufferUses::STORAGE_READ_WRITE) {
594        stages |= shader_stages;
595        access |= vk::AccessFlags::SHADER_READ | vk::AccessFlags::SHADER_WRITE;
596    }
597    if usage.contains(wgt::BufferUses::INDEX) {
598        stages |= vk::PipelineStageFlags::VERTEX_INPUT;
599        access |= vk::AccessFlags::INDEX_READ;
600    }
601    if usage.contains(wgt::BufferUses::VERTEX) {
602        stages |= vk::PipelineStageFlags::VERTEX_INPUT;
603        access |= vk::AccessFlags::VERTEX_ATTRIBUTE_READ;
604    }
605    if usage.contains(wgt::BufferUses::INDIRECT) {
606        stages |= vk::PipelineStageFlags::DRAW_INDIRECT;
607        access |= vk::AccessFlags::INDIRECT_COMMAND_READ;
608    }
609    if usage.intersects(
610        wgt::BufferUses::BOTTOM_LEVEL_ACCELERATION_STRUCTURE_INPUT
611            | wgt::BufferUses::TOP_LEVEL_ACCELERATION_STRUCTURE_INPUT
612            | wgt::BufferUses::ACCELERATION_STRUCTURE_SCRATCH,
613    ) {
614        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
615        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR
616            | vk::AccessFlags::ACCELERATION_STRUCTURE_WRITE_KHR
617            | vk::AccessFlags::SHADER_READ;
618    }
619    if usage.contains(wgt::BufferUses::ACCELERATION_STRUCTURE_QUERY) {
620        stages |= vk::PipelineStageFlags::TRANSFER;
621        access |= vk::AccessFlags::TRANSFER_WRITE;
622    }
623
624    (stages, access)
625}
626
627pub fn map_view_dimension(dim: wgt::TextureViewDimension) -> vk::ImageViewType {
628    match dim {
629        wgt::TextureViewDimension::D1 => vk::ImageViewType::TYPE_1D,
630        wgt::TextureViewDimension::D2 => vk::ImageViewType::TYPE_2D,
631        wgt::TextureViewDimension::D2Array => vk::ImageViewType::TYPE_2D_ARRAY,
632        wgt::TextureViewDimension::Cube => vk::ImageViewType::CUBE,
633        wgt::TextureViewDimension::CubeArray => vk::ImageViewType::CUBE_ARRAY,
634        wgt::TextureViewDimension::D3 => vk::ImageViewType::TYPE_3D,
635    }
636}
637
638pub fn map_copy_extent(extent: &crate::CopyExtent) -> vk::Extent3D {
639    vk::Extent3D {
640        width: extent.width,
641        height: extent.height,
642        depth: extent.depth,
643    }
644}
645
646pub fn map_subresource_range(
647    range: &wgt::ImageSubresourceRange,
648    format: wgt::TextureFormat,
649) -> vk::ImageSubresourceRange {
650    vk::ImageSubresourceRange {
651        aspect_mask: map_aspects(crate::FormatAspects::new(format, range.aspect)),
652        base_mip_level: range.base_mip_level,
653        level_count: range.mip_level_count.unwrap_or(vk::REMAINING_MIP_LEVELS),
654        base_array_layer: range.base_array_layer,
655        layer_count: range
656            .array_layer_count
657            .unwrap_or(vk::REMAINING_ARRAY_LAYERS),
658    }
659}
660
661// Special subresource range mapping for dealing with barriers
662// so that we account for the "hidden" depth aspect in emulated Stencil8.
663pub(super) fn map_subresource_range_combined_aspect(
664    range: &wgt::ImageSubresourceRange,
665    format: wgt::TextureFormat,
666    private_caps: &super::PrivateCapabilities,
667) -> vk::ImageSubresourceRange {
668    let mut range = map_subresource_range(range, format);
669    if !private_caps.texture_s8 && format == wgt::TextureFormat::Stencil8 {
670        range.aspect_mask |= vk::ImageAspectFlags::DEPTH;
671    }
672    range
673}
674
675pub fn map_subresource_layers(
676    base: &crate::TextureCopyBase,
677) -> (vk::ImageSubresourceLayers, vk::Offset3D) {
678    let offset = vk::Offset3D {
679        x: base.origin.x as i32,
680        y: base.origin.y as i32,
681        z: base.origin.z as i32,
682    };
683    let subresource = vk::ImageSubresourceLayers {
684        aspect_mask: map_aspects(base.aspect),
685        mip_level: base.mip_level,
686        base_array_layer: base.array_layer,
687        layer_count: 1,
688    };
689    (subresource, offset)
690}
691
692pub fn map_filter_mode(mode: wgt::FilterMode) -> vk::Filter {
693    match mode {
694        wgt::FilterMode::Nearest => vk::Filter::NEAREST,
695        wgt::FilterMode::Linear => vk::Filter::LINEAR,
696    }
697}
698
699pub fn map_mip_filter_mode(mode: wgt::FilterMode) -> vk::SamplerMipmapMode {
700    match mode {
701        wgt::FilterMode::Nearest => vk::SamplerMipmapMode::NEAREST,
702        wgt::FilterMode::Linear => vk::SamplerMipmapMode::LINEAR,
703    }
704}
705
706pub fn map_address_mode(mode: wgt::AddressMode) -> vk::SamplerAddressMode {
707    match mode {
708        wgt::AddressMode::ClampToEdge => vk::SamplerAddressMode::CLAMP_TO_EDGE,
709        wgt::AddressMode::Repeat => vk::SamplerAddressMode::REPEAT,
710        wgt::AddressMode::MirrorRepeat => vk::SamplerAddressMode::MIRRORED_REPEAT,
711        wgt::AddressMode::ClampToBorder => vk::SamplerAddressMode::CLAMP_TO_BORDER,
712        // wgt::AddressMode::MirrorClamp => vk::SamplerAddressMode::MIRROR_CLAMP_TO_EDGE,
713    }
714}
715
716pub fn map_border_color(border_color: wgt::SamplerBorderColor) -> vk::BorderColor {
717    match border_color {
718        wgt::SamplerBorderColor::TransparentBlack | wgt::SamplerBorderColor::Zero => {
719            vk::BorderColor::FLOAT_TRANSPARENT_BLACK
720        }
721        wgt::SamplerBorderColor::OpaqueBlack => vk::BorderColor::FLOAT_OPAQUE_BLACK,
722        wgt::SamplerBorderColor::OpaqueWhite => vk::BorderColor::FLOAT_OPAQUE_WHITE,
723    }
724}
725
726pub fn map_comparison(fun: wgt::CompareFunction) -> vk::CompareOp {
727    use wgt::CompareFunction as Cf;
728    match fun {
729        Cf::Never => vk::CompareOp::NEVER,
730        Cf::Less => vk::CompareOp::LESS,
731        Cf::LessEqual => vk::CompareOp::LESS_OR_EQUAL,
732        Cf::Equal => vk::CompareOp::EQUAL,
733        Cf::GreaterEqual => vk::CompareOp::GREATER_OR_EQUAL,
734        Cf::Greater => vk::CompareOp::GREATER,
735        Cf::NotEqual => vk::CompareOp::NOT_EQUAL,
736        Cf::Always => vk::CompareOp::ALWAYS,
737    }
738}
739
740pub fn map_shader_stage(stage: wgt::ShaderStages) -> vk::ShaderStageFlags {
741    let mut flags = vk::ShaderStageFlags::empty();
742    if stage.contains(wgt::ShaderStages::VERTEX) {
743        flags |= vk::ShaderStageFlags::VERTEX;
744    }
745    if stage.contains(wgt::ShaderStages::FRAGMENT) {
746        flags |= vk::ShaderStageFlags::FRAGMENT;
747    }
748    if stage.contains(wgt::ShaderStages::COMPUTE) {
749        flags |= vk::ShaderStageFlags::COMPUTE;
750    }
751    if stage.contains(wgt::ShaderStages::TASK) {
752        flags |= vk::ShaderStageFlags::TASK_EXT;
753    }
754    if stage.contains(wgt::ShaderStages::MESH) {
755        flags |= vk::ShaderStageFlags::MESH_EXT;
756    }
757    flags
758}
759
760pub fn map_binding_type(ty: wgt::BindingType) -> vk::DescriptorType {
761    match ty {
762        wgt::BindingType::Buffer {
763            ty,
764            has_dynamic_offset,
765            ..
766        } => match ty {
767            wgt::BufferBindingType::Storage { .. } => match has_dynamic_offset {
768                true => vk::DescriptorType::STORAGE_BUFFER_DYNAMIC,
769                false => vk::DescriptorType::STORAGE_BUFFER,
770            },
771            wgt::BufferBindingType::Uniform => match has_dynamic_offset {
772                true => vk::DescriptorType::UNIFORM_BUFFER_DYNAMIC,
773                false => vk::DescriptorType::UNIFORM_BUFFER,
774            },
775        },
776        wgt::BindingType::Sampler { .. } => vk::DescriptorType::SAMPLER,
777        wgt::BindingType::Texture { .. } => vk::DescriptorType::SAMPLED_IMAGE,
778        wgt::BindingType::StorageTexture { .. } => vk::DescriptorType::STORAGE_IMAGE,
779        wgt::BindingType::AccelerationStructure { .. } => {
780            vk::DescriptorType::ACCELERATION_STRUCTURE_KHR
781        }
782        wgt::BindingType::ExternalTexture => unimplemented!(),
783    }
784}
785
786pub fn map_topology(topology: wgt::PrimitiveTopology) -> vk::PrimitiveTopology {
787    use wgt::PrimitiveTopology as Pt;
788    match topology {
789        Pt::PointList => vk::PrimitiveTopology::POINT_LIST,
790        Pt::LineList => vk::PrimitiveTopology::LINE_LIST,
791        Pt::LineStrip => vk::PrimitiveTopology::LINE_STRIP,
792        Pt::TriangleList => vk::PrimitiveTopology::TRIANGLE_LIST,
793        Pt::TriangleStrip => vk::PrimitiveTopology::TRIANGLE_STRIP,
794    }
795}
796
797pub fn map_polygon_mode(mode: wgt::PolygonMode) -> vk::PolygonMode {
798    match mode {
799        wgt::PolygonMode::Fill => vk::PolygonMode::FILL,
800        wgt::PolygonMode::Line => vk::PolygonMode::LINE,
801        wgt::PolygonMode::Point => vk::PolygonMode::POINT,
802    }
803}
804
805pub fn map_front_face(front_face: wgt::FrontFace) -> vk::FrontFace {
806    match front_face {
807        wgt::FrontFace::Cw => vk::FrontFace::CLOCKWISE,
808        wgt::FrontFace::Ccw => vk::FrontFace::COUNTER_CLOCKWISE,
809    }
810}
811
812pub fn map_cull_face(face: wgt::Face) -> vk::CullModeFlags {
813    match face {
814        wgt::Face::Front => vk::CullModeFlags::FRONT,
815        wgt::Face::Back => vk::CullModeFlags::BACK,
816    }
817}
818
819pub fn map_stencil_op(op: wgt::StencilOperation) -> vk::StencilOp {
820    use wgt::StencilOperation as So;
821    match op {
822        So::Keep => vk::StencilOp::KEEP,
823        So::Zero => vk::StencilOp::ZERO,
824        So::Replace => vk::StencilOp::REPLACE,
825        So::Invert => vk::StencilOp::INVERT,
826        So::IncrementClamp => vk::StencilOp::INCREMENT_AND_CLAMP,
827        So::IncrementWrap => vk::StencilOp::INCREMENT_AND_WRAP,
828        So::DecrementClamp => vk::StencilOp::DECREMENT_AND_CLAMP,
829        So::DecrementWrap => vk::StencilOp::DECREMENT_AND_WRAP,
830    }
831}
832
833pub fn map_stencil_face(
834    face: &wgt::StencilFaceState,
835    compare_mask: u32,
836    write_mask: u32,
837) -> vk::StencilOpState {
838    vk::StencilOpState {
839        fail_op: map_stencil_op(face.fail_op),
840        pass_op: map_stencil_op(face.pass_op),
841        depth_fail_op: map_stencil_op(face.depth_fail_op),
842        compare_op: map_comparison(face.compare),
843        compare_mask,
844        write_mask,
845        reference: 0,
846    }
847}
848
849fn map_blend_factor(factor: wgt::BlendFactor) -> vk::BlendFactor {
850    use wgt::BlendFactor as Bf;
851    match factor {
852        Bf::Zero => vk::BlendFactor::ZERO,
853        Bf::One => vk::BlendFactor::ONE,
854        Bf::Src => vk::BlendFactor::SRC_COLOR,
855        Bf::OneMinusSrc => vk::BlendFactor::ONE_MINUS_SRC_COLOR,
856        Bf::SrcAlpha => vk::BlendFactor::SRC_ALPHA,
857        Bf::OneMinusSrcAlpha => vk::BlendFactor::ONE_MINUS_SRC_ALPHA,
858        Bf::Dst => vk::BlendFactor::DST_COLOR,
859        Bf::OneMinusDst => vk::BlendFactor::ONE_MINUS_DST_COLOR,
860        Bf::DstAlpha => vk::BlendFactor::DST_ALPHA,
861        Bf::OneMinusDstAlpha => vk::BlendFactor::ONE_MINUS_DST_ALPHA,
862        Bf::SrcAlphaSaturated => vk::BlendFactor::SRC_ALPHA_SATURATE,
863        Bf::Constant => vk::BlendFactor::CONSTANT_COLOR,
864        Bf::OneMinusConstant => vk::BlendFactor::ONE_MINUS_CONSTANT_COLOR,
865        Bf::Src1 => vk::BlendFactor::SRC1_COLOR,
866        Bf::OneMinusSrc1 => vk::BlendFactor::ONE_MINUS_SRC1_COLOR,
867        Bf::Src1Alpha => vk::BlendFactor::SRC1_ALPHA,
868        Bf::OneMinusSrc1Alpha => vk::BlendFactor::ONE_MINUS_SRC1_ALPHA,
869    }
870}
871
872fn map_blend_op(operation: wgt::BlendOperation) -> vk::BlendOp {
873    use wgt::BlendOperation as Bo;
874    match operation {
875        Bo::Add => vk::BlendOp::ADD,
876        Bo::Subtract => vk::BlendOp::SUBTRACT,
877        Bo::ReverseSubtract => vk::BlendOp::REVERSE_SUBTRACT,
878        Bo::Min => vk::BlendOp::MIN,
879        Bo::Max => vk::BlendOp::MAX,
880    }
881}
882
883pub fn map_blend_component(
884    component: &wgt::BlendComponent,
885) -> (vk::BlendOp, vk::BlendFactor, vk::BlendFactor) {
886    let op = map_blend_op(component.operation);
887    let src = map_blend_factor(component.src_factor);
888    let dst = map_blend_factor(component.dst_factor);
889    (op, src, dst)
890}
891
892pub fn map_pipeline_statistics(
893    types: wgt::PipelineStatisticsTypes,
894) -> vk::QueryPipelineStatisticFlags {
895    use wgt::PipelineStatisticsTypes as Pst;
896    let mut flags = vk::QueryPipelineStatisticFlags::empty();
897    if types.contains(Pst::VERTEX_SHADER_INVOCATIONS) {
898        flags |= vk::QueryPipelineStatisticFlags::VERTEX_SHADER_INVOCATIONS;
899    }
900    if types.contains(Pst::CLIPPER_INVOCATIONS) {
901        flags |= vk::QueryPipelineStatisticFlags::CLIPPING_INVOCATIONS;
902    }
903    if types.contains(Pst::CLIPPER_PRIMITIVES_OUT) {
904        flags |= vk::QueryPipelineStatisticFlags::CLIPPING_PRIMITIVES;
905    }
906    if types.contains(Pst::FRAGMENT_SHADER_INVOCATIONS) {
907        flags |= vk::QueryPipelineStatisticFlags::FRAGMENT_SHADER_INVOCATIONS;
908    }
909    if types.contains(Pst::COMPUTE_SHADER_INVOCATIONS) {
910        flags |= vk::QueryPipelineStatisticFlags::COMPUTE_SHADER_INVOCATIONS;
911    }
912    flags
913}
914
915pub fn map_acceleration_structure_format(
916    format: crate::AccelerationStructureFormat,
917) -> vk::AccelerationStructureTypeKHR {
918    match format {
919        crate::AccelerationStructureFormat::TopLevel => vk::AccelerationStructureTypeKHR::TOP_LEVEL,
920        crate::AccelerationStructureFormat::BottomLevel => {
921            vk::AccelerationStructureTypeKHR::BOTTOM_LEVEL
922        }
923    }
924}
925
926pub fn map_acceleration_structure_build_mode(
927    format: crate::AccelerationStructureBuildMode,
928) -> vk::BuildAccelerationStructureModeKHR {
929    match format {
930        crate::AccelerationStructureBuildMode::Build => {
931            vk::BuildAccelerationStructureModeKHR::BUILD
932        }
933        crate::AccelerationStructureBuildMode::Update => {
934            vk::BuildAccelerationStructureModeKHR::UPDATE
935        }
936    }
937}
938
939pub fn map_acceleration_structure_flags(
940    flags: crate::AccelerationStructureBuildFlags,
941) -> vk::BuildAccelerationStructureFlagsKHR {
942    let mut vk_flags = vk::BuildAccelerationStructureFlagsKHR::empty();
943
944    if flags.contains(crate::AccelerationStructureBuildFlags::PREFER_FAST_TRACE) {
945        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::PREFER_FAST_TRACE;
946    }
947
948    if flags.contains(crate::AccelerationStructureBuildFlags::PREFER_FAST_BUILD) {
949        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::PREFER_FAST_BUILD;
950    }
951
952    if flags.contains(crate::AccelerationStructureBuildFlags::ALLOW_UPDATE) {
953        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::ALLOW_UPDATE;
954    }
955
956    if flags.contains(crate::AccelerationStructureBuildFlags::LOW_MEMORY) {
957        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::LOW_MEMORY;
958    }
959
960    if flags.contains(crate::AccelerationStructureBuildFlags::ALLOW_COMPACTION) {
961        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::ALLOW_COMPACTION
962    }
963
964    if flags.contains(crate::AccelerationStructureBuildFlags::ALLOW_RAY_HIT_VERTEX_RETURN) {
965        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::ALLOW_DATA_ACCESS
966    }
967
968    vk_flags
969}
970
971pub fn map_acceleration_structure_geometry_flags(
972    flags: crate::AccelerationStructureGeometryFlags,
973) -> vk::GeometryFlagsKHR {
974    let mut vk_flags = vk::GeometryFlagsKHR::empty();
975
976    if flags.contains(crate::AccelerationStructureGeometryFlags::OPAQUE) {
977        vk_flags |= vk::GeometryFlagsKHR::OPAQUE;
978    }
979
980    if flags.contains(crate::AccelerationStructureGeometryFlags::NO_DUPLICATE_ANY_HIT_INVOCATION) {
981        vk_flags |= vk::GeometryFlagsKHR::NO_DUPLICATE_ANY_HIT_INVOCATION;
982    }
983
984    vk_flags
985}
986
987pub fn map_acceleration_structure_usage_to_barrier(
988    usage: crate::AccelerationStructureUses,
989    features: wgt::Features,
990) -> (vk::PipelineStageFlags, vk::AccessFlags) {
991    let mut stages = vk::PipelineStageFlags::empty();
992    let mut access = vk::AccessFlags::empty();
993
994    if usage.contains(crate::AccelerationStructureUses::BUILD_INPUT) {
995        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
996        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR;
997    }
998    if usage.contains(crate::AccelerationStructureUses::QUERY_INPUT) {
999        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
1000        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR;
1001    }
1002    if usage.contains(crate::AccelerationStructureUses::BUILD_OUTPUT) {
1003        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
1004        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_WRITE_KHR;
1005    }
1006    if usage.contains(crate::AccelerationStructureUses::SHADER_INPUT)
1007        && features.contains(wgt::Features::EXPERIMENTAL_RAY_QUERY)
1008    {
1009        stages |= vk::PipelineStageFlags::VERTEX_SHADER
1010            | vk::PipelineStageFlags::FRAGMENT_SHADER
1011            | vk::PipelineStageFlags::COMPUTE_SHADER;
1012        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR;
1013    }
1014    if usage.contains(crate::AccelerationStructureUses::COPY_SRC) {
1015        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
1016        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR;
1017    }
1018    if usage.contains(crate::AccelerationStructureUses::COPY_DST) {
1019        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
1020        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_WRITE_KHR;
1021    }
1022
1023    (stages, access)
1024}
wgpu_hal/vulkan/conv.rs

wgpu_hal/vulkan/
conv.rs
