wgpu_hal/vulkan/
conv.rs

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    // Device::create_swapchain() hardcodes linear scRGB for fp16, non-linear sRGB otherwise.
166    Some(match sf.color_space {
167        vk::ColorSpaceKHR::SRGB_NONLINEAR => match sf.format {
168            F::B8G8R8A8_UNORM => Tf::Bgra8Unorm,
169            F::B8G8R8A8_SRGB => Tf::Bgra8UnormSrgb,
170            F::R8G8B8A8_SNORM => Tf::Rgba8Snorm,
171            F::R8G8B8A8_UNORM => Tf::Rgba8Unorm,
172            F::R8G8B8A8_SRGB => Tf::Rgba8UnormSrgb,
173            F::R16G16B16A16_SNORM => Tf::Rgba16Snorm,
174            F::R16G16B16A16_UNORM => Tf::Rgba16Unorm,
175            F::A2B10G10R10_UNORM_PACK32 => Tf::Rgb10a2Unorm,
176            _ => return None,
177        },
178        vk::ColorSpaceKHR::EXTENDED_SRGB_LINEAR_EXT => match sf.format {
179            F::R16G16B16A16_SFLOAT => Tf::Rgba16Float,
180            _ => return None,
181        },
182        _ => return None,
183    })
184}
185
186impl crate::Attachment<'_, super::TextureView> {
187    pub(super) fn make_attachment_key(&self, ops: crate::AttachmentOps) -> super::AttachmentKey {
188        super::AttachmentKey {
189            format: self.view.raw_format,
190            layout: derive_image_layout(self.usage, self.view.format),
191            ops,
192        }
193    }
194}
195
196impl crate::ColorAttachment<'_, super::TextureView> {
197    pub(super) unsafe fn make_vk_clear_color(&self) -> vk::ClearColorValue {
198        let cv = &self.clear_value;
199        match self.target.view.format.sample_type(None, None).unwrap() {
200            wgt::TextureSampleType::Float { .. } => vk::ClearColorValue {
201                float32: [cv.r as f32, cv.g as f32, cv.b as f32, cv.a as f32],
202            },
203            wgt::TextureSampleType::Sint => vk::ClearColorValue {
204                int32: [cv.r as i32, cv.g as i32, cv.b as i32, cv.a as i32],
205            },
206            wgt::TextureSampleType::Uint => vk::ClearColorValue {
207                uint32: [cv.r as u32, cv.g as u32, cv.b as u32, cv.a as u32],
208            },
209            wgt::TextureSampleType::Depth => unreachable!(),
210        }
211    }
212}
213
214pub fn derive_image_layout(usage: wgt::TextureUses, format: wgt::TextureFormat) -> vk::ImageLayout {
215    // Note: depth textures are always sampled with RODS layout
216    let is_color = !format.is_depth_stencil_format();
217    match usage {
218        wgt::TextureUses::UNINITIALIZED => vk::ImageLayout::UNDEFINED,
219        wgt::TextureUses::COPY_SRC => vk::ImageLayout::TRANSFER_SRC_OPTIMAL,
220        wgt::TextureUses::COPY_DST => vk::ImageLayout::TRANSFER_DST_OPTIMAL,
221        wgt::TextureUses::RESOURCE if is_color => vk::ImageLayout::SHADER_READ_ONLY_OPTIMAL,
222        wgt::TextureUses::COLOR_TARGET => vk::ImageLayout::COLOR_ATTACHMENT_OPTIMAL,
223        wgt::TextureUses::DEPTH_STENCIL_WRITE => vk::ImageLayout::DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
224        _ => {
225            if usage == wgt::TextureUses::PRESENT {
226                vk::ImageLayout::PRESENT_SRC_KHR
227            } else if is_color {
228                vk::ImageLayout::GENERAL
229            } else {
230                vk::ImageLayout::DEPTH_STENCIL_READ_ONLY_OPTIMAL
231            }
232        }
233    }
234}
235
236pub fn map_texture_usage(usage: wgt::TextureUses) -> vk::ImageUsageFlags {
237    let mut flags = vk::ImageUsageFlags::empty();
238    if usage.contains(wgt::TextureUses::COPY_SRC) {
239        flags |= vk::ImageUsageFlags::TRANSFER_SRC;
240    }
241    if usage.contains(wgt::TextureUses::COPY_DST) {
242        flags |= vk::ImageUsageFlags::TRANSFER_DST;
243    }
244    if usage.contains(wgt::TextureUses::RESOURCE) {
245        flags |= vk::ImageUsageFlags::SAMPLED;
246    }
247    if usage.contains(wgt::TextureUses::COLOR_TARGET) {
248        flags |= vk::ImageUsageFlags::COLOR_ATTACHMENT;
249    }
250    if usage
251        .intersects(wgt::TextureUses::DEPTH_STENCIL_READ | wgt::TextureUses::DEPTH_STENCIL_WRITE)
252    {
253        flags |= vk::ImageUsageFlags::DEPTH_STENCIL_ATTACHMENT;
254    }
255    if usage.intersects(
256        wgt::TextureUses::STORAGE_READ_ONLY
257            | wgt::TextureUses::STORAGE_WRITE_ONLY
258            | wgt::TextureUses::STORAGE_READ_WRITE
259            | wgt::TextureUses::STORAGE_ATOMIC,
260    ) {
261        flags |= vk::ImageUsageFlags::STORAGE;
262    }
263    flags
264}
265
266pub fn map_texture_usage_to_barrier(
267    usage: wgt::TextureUses,
268) -> (vk::PipelineStageFlags, vk::AccessFlags) {
269    let mut stages = vk::PipelineStageFlags::empty();
270    let mut access = vk::AccessFlags::empty();
271    let shader_stages = vk::PipelineStageFlags::VERTEX_SHADER
272        | vk::PipelineStageFlags::FRAGMENT_SHADER
273        | vk::PipelineStageFlags::COMPUTE_SHADER;
274
275    if usage.contains(wgt::TextureUses::COPY_SRC) {
276        stages |= vk::PipelineStageFlags::TRANSFER;
277        access |= vk::AccessFlags::TRANSFER_READ;
278    }
279    if usage.contains(wgt::TextureUses::COPY_DST) {
280        stages |= vk::PipelineStageFlags::TRANSFER;
281        access |= vk::AccessFlags::TRANSFER_WRITE;
282    }
283    if usage.contains(wgt::TextureUses::RESOURCE) {
284        stages |= shader_stages;
285        access |= vk::AccessFlags::SHADER_READ;
286    }
287    if usage.contains(wgt::TextureUses::COLOR_TARGET) {
288        stages |= vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT;
289        access |= vk::AccessFlags::COLOR_ATTACHMENT_READ | vk::AccessFlags::COLOR_ATTACHMENT_WRITE;
290    }
291    if usage.intersects(wgt::TextureUses::DEPTH_STENCIL_READ) {
292        stages |= vk::PipelineStageFlags::EARLY_FRAGMENT_TESTS
293            | vk::PipelineStageFlags::LATE_FRAGMENT_TESTS;
294        access |= vk::AccessFlags::DEPTH_STENCIL_ATTACHMENT_READ;
295    }
296    if usage.intersects(wgt::TextureUses::DEPTH_STENCIL_WRITE) {
297        stages |= vk::PipelineStageFlags::EARLY_FRAGMENT_TESTS
298            | vk::PipelineStageFlags::LATE_FRAGMENT_TESTS;
299        access |= vk::AccessFlags::DEPTH_STENCIL_ATTACHMENT_READ
300            | vk::AccessFlags::DEPTH_STENCIL_ATTACHMENT_WRITE;
301    }
302    if usage.intersects(
303        wgt::TextureUses::STORAGE_READ_ONLY
304            | wgt::TextureUses::STORAGE_READ_WRITE
305            | wgt::TextureUses::STORAGE_ATOMIC,
306    ) {
307        stages |= shader_stages;
308        access |= vk::AccessFlags::SHADER_READ;
309    }
310    if usage.intersects(
311        wgt::TextureUses::STORAGE_WRITE_ONLY
312            | wgt::TextureUses::STORAGE_READ_WRITE
313            | wgt::TextureUses::STORAGE_ATOMIC,
314    ) {
315        stages |= shader_stages;
316        access |= vk::AccessFlags::SHADER_WRITE;
317    }
318
319    if usage == wgt::TextureUses::UNINITIALIZED || usage == wgt::TextureUses::PRESENT {
320        (
321            vk::PipelineStageFlags::TOP_OF_PIPE,
322            vk::AccessFlags::empty(),
323        )
324    } else {
325        (stages, access)
326    }
327}
328
329pub fn map_vk_image_usage(usage: vk::ImageUsageFlags) -> wgt::TextureUses {
330    let mut bits = wgt::TextureUses::empty();
331    if usage.contains(vk::ImageUsageFlags::TRANSFER_SRC) {
332        bits |= wgt::TextureUses::COPY_SRC;
333    }
334    if usage.contains(vk::ImageUsageFlags::TRANSFER_DST) {
335        bits |= wgt::TextureUses::COPY_DST;
336    }
337    if usage.contains(vk::ImageUsageFlags::SAMPLED) {
338        bits |= wgt::TextureUses::RESOURCE;
339    }
340    if usage.contains(vk::ImageUsageFlags::COLOR_ATTACHMENT) {
341        bits |= wgt::TextureUses::COLOR_TARGET;
342    }
343    if usage.contains(vk::ImageUsageFlags::DEPTH_STENCIL_ATTACHMENT) {
344        bits |= wgt::TextureUses::DEPTH_STENCIL_READ | wgt::TextureUses::DEPTH_STENCIL_WRITE;
345    }
346    if usage.contains(vk::ImageUsageFlags::STORAGE) {
347        bits |= wgt::TextureUses::STORAGE_READ_ONLY
348            | wgt::TextureUses::STORAGE_WRITE_ONLY
349            | wgt::TextureUses::STORAGE_READ_WRITE
350            | wgt::TextureUses::STORAGE_ATOMIC;
351    }
352    bits
353}
354
355pub fn map_texture_dimension(dim: wgt::TextureDimension) -> vk::ImageType {
356    match dim {
357        wgt::TextureDimension::D1 => vk::ImageType::TYPE_1D,
358        wgt::TextureDimension::D2 => vk::ImageType::TYPE_2D,
359        wgt::TextureDimension::D3 => vk::ImageType::TYPE_3D,
360    }
361}
362
363pub fn map_index_format(index_format: wgt::IndexFormat) -> vk::IndexType {
364    match index_format {
365        wgt::IndexFormat::Uint16 => vk::IndexType::UINT16,
366        wgt::IndexFormat::Uint32 => vk::IndexType::UINT32,
367    }
368}
369
370pub fn map_vertex_format(vertex_format: wgt::VertexFormat) -> vk::Format {
371    use wgt::VertexFormat as Vf;
372    match vertex_format {
373        Vf::Uint8 => vk::Format::R8_UINT,
374        Vf::Uint8x2 => vk::Format::R8G8_UINT,
375        Vf::Uint8x4 => vk::Format::R8G8B8A8_UINT,
376        Vf::Sint8 => vk::Format::R8_SINT,
377        Vf::Sint8x2 => vk::Format::R8G8_SINT,
378        Vf::Sint8x4 => vk::Format::R8G8B8A8_SINT,
379        Vf::Unorm8 => vk::Format::R8_UNORM,
380        Vf::Unorm8x2 => vk::Format::R8G8_UNORM,
381        Vf::Unorm8x4 => vk::Format::R8G8B8A8_UNORM,
382        Vf::Snorm8 => vk::Format::R8_SNORM,
383        Vf::Snorm8x2 => vk::Format::R8G8_SNORM,
384        Vf::Snorm8x4 => vk::Format::R8G8B8A8_SNORM,
385        Vf::Uint16 => vk::Format::R16_UINT,
386        Vf::Uint16x2 => vk::Format::R16G16_UINT,
387        Vf::Uint16x4 => vk::Format::R16G16B16A16_UINT,
388        Vf::Sint16 => vk::Format::R16_SINT,
389        Vf::Sint16x2 => vk::Format::R16G16_SINT,
390        Vf::Sint16x4 => vk::Format::R16G16B16A16_SINT,
391        Vf::Unorm16 => vk::Format::R16_UNORM,
392        Vf::Unorm16x2 => vk::Format::R16G16_UNORM,
393        Vf::Unorm16x4 => vk::Format::R16G16B16A16_UNORM,
394        Vf::Snorm16 => vk::Format::R16_SNORM,
395        Vf::Snorm16x2 => vk::Format::R16G16_SNORM,
396        Vf::Snorm16x4 => vk::Format::R16G16B16A16_SNORM,
397        Vf::Float16 => vk::Format::R16_SFLOAT,
398        Vf::Float16x2 => vk::Format::R16G16_SFLOAT,
399        Vf::Float16x4 => vk::Format::R16G16B16A16_SFLOAT,
400        Vf::Float32 => vk::Format::R32_SFLOAT,
401        Vf::Float32x2 => vk::Format::R32G32_SFLOAT,
402        Vf::Float32x3 => vk::Format::R32G32B32_SFLOAT,
403        Vf::Float32x4 => vk::Format::R32G32B32A32_SFLOAT,
404        Vf::Uint32 => vk::Format::R32_UINT,
405        Vf::Uint32x2 => vk::Format::R32G32_UINT,
406        Vf::Uint32x3 => vk::Format::R32G32B32_UINT,
407        Vf::Uint32x4 => vk::Format::R32G32B32A32_UINT,
408        Vf::Sint32 => vk::Format::R32_SINT,
409        Vf::Sint32x2 => vk::Format::R32G32_SINT,
410        Vf::Sint32x3 => vk::Format::R32G32B32_SINT,
411        Vf::Sint32x4 => vk::Format::R32G32B32A32_SINT,
412        Vf::Float64 => vk::Format::R64_SFLOAT,
413        Vf::Float64x2 => vk::Format::R64G64_SFLOAT,
414        Vf::Float64x3 => vk::Format::R64G64B64_SFLOAT,
415        Vf::Float64x4 => vk::Format::R64G64B64A64_SFLOAT,
416        Vf::Unorm10_10_10_2 => vk::Format::A2B10G10R10_UNORM_PACK32,
417        Vf::Unorm8x4Bgra => vk::Format::B8G8R8A8_UNORM,
418    }
419}
420
421pub fn map_aspects(aspects: crate::FormatAspects) -> vk::ImageAspectFlags {
422    let mut flags = vk::ImageAspectFlags::empty();
423    if aspects.contains(crate::FormatAspects::COLOR) {
424        flags |= vk::ImageAspectFlags::COLOR;
425    }
426    if aspects.contains(crate::FormatAspects::DEPTH) {
427        flags |= vk::ImageAspectFlags::DEPTH;
428    }
429    if aspects.contains(crate::FormatAspects::STENCIL) {
430        flags |= vk::ImageAspectFlags::STENCIL;
431    }
432    if aspects.contains(crate::FormatAspects::PLANE_0) {
433        flags |= vk::ImageAspectFlags::PLANE_0;
434    }
435    if aspects.contains(crate::FormatAspects::PLANE_1) {
436        flags |= vk::ImageAspectFlags::PLANE_1;
437    }
438    if aspects.contains(crate::FormatAspects::PLANE_2) {
439        flags |= vk::ImageAspectFlags::PLANE_2;
440    }
441    flags
442}
443
444pub fn map_attachment_ops(
445    op: crate::AttachmentOps,
446) -> (vk::AttachmentLoadOp, vk::AttachmentStoreOp) {
447    let load_op = if op.contains(crate::AttachmentOps::LOAD) {
448        vk::AttachmentLoadOp::LOAD
449    } else {
450        vk::AttachmentLoadOp::CLEAR
451    };
452    let store_op = if op.contains(crate::AttachmentOps::STORE) {
453        vk::AttachmentStoreOp::STORE
454    } else {
455        vk::AttachmentStoreOp::DONT_CARE
456    };
457    (load_op, store_op)
458}
459
460pub fn map_present_mode(mode: wgt::PresentMode) -> vk::PresentModeKHR {
461    match mode {
462        wgt::PresentMode::Immediate => vk::PresentModeKHR::IMMEDIATE,
463        wgt::PresentMode::Mailbox => vk::PresentModeKHR::MAILBOX,
464        wgt::PresentMode::Fifo => vk::PresentModeKHR::FIFO,
465        wgt::PresentMode::FifoRelaxed => vk::PresentModeKHR::FIFO_RELAXED,
466        wgt::PresentMode::AutoNoVsync | wgt::PresentMode::AutoVsync => {
467            unreachable!("Cannot create swapchain with Auto PresentationMode")
468        }
469    }
470}
471
472pub fn map_vk_present_mode(mode: vk::PresentModeKHR) -> Option<wgt::PresentMode> {
473    // Not exposed in Ash yet.
474    const FIFO_LATEST_READY: vk::PresentModeKHR = vk::PresentModeKHR::from_raw(1_000_361_000);
475
476    // See https://registry.khronos.org/vulkan/specs/latest/man/html/VkPresentModeKHR.html
477    match mode {
478        vk::PresentModeKHR::IMMEDIATE => Some(wgt::PresentMode::Immediate),
479        vk::PresentModeKHR::MAILBOX => Some(wgt::PresentMode::Mailbox),
480        vk::PresentModeKHR::FIFO => Some(wgt::PresentMode::Fifo),
481        vk::PresentModeKHR::FIFO_RELAXED => Some(wgt::PresentMode::FifoRelaxed),
482
483        // Modes that aren't exposed yet.
484        vk::PresentModeKHR::SHARED_DEMAND_REFRESH => None,
485        vk::PresentModeKHR::SHARED_CONTINUOUS_REFRESH => None,
486        FIFO_LATEST_READY => None,
487
488        _ => {
489            log::debug!("Unrecognized present mode {mode:?}");
490            None
491        }
492    }
493}
494
495pub fn map_composite_alpha_mode(mode: wgt::CompositeAlphaMode) -> vk::CompositeAlphaFlagsKHR {
496    match mode {
497        wgt::CompositeAlphaMode::Opaque => vk::CompositeAlphaFlagsKHR::OPAQUE,
498        wgt::CompositeAlphaMode::PreMultiplied => vk::CompositeAlphaFlagsKHR::PRE_MULTIPLIED,
499        wgt::CompositeAlphaMode::PostMultiplied => vk::CompositeAlphaFlagsKHR::POST_MULTIPLIED,
500        wgt::CompositeAlphaMode::Inherit => vk::CompositeAlphaFlagsKHR::INHERIT,
501        wgt::CompositeAlphaMode::Auto => unreachable!(),
502    }
503}
504
505pub fn map_vk_composite_alpha(flags: vk::CompositeAlphaFlagsKHR) -> Vec<wgt::CompositeAlphaMode> {
506    let mut modes = Vec::new();
507    if flags.contains(vk::CompositeAlphaFlagsKHR::OPAQUE) {
508        modes.push(wgt::CompositeAlphaMode::Opaque);
509    }
510    if flags.contains(vk::CompositeAlphaFlagsKHR::PRE_MULTIPLIED) {
511        modes.push(wgt::CompositeAlphaMode::PreMultiplied);
512    }
513    if flags.contains(vk::CompositeAlphaFlagsKHR::POST_MULTIPLIED) {
514        modes.push(wgt::CompositeAlphaMode::PostMultiplied);
515    }
516    if flags.contains(vk::CompositeAlphaFlagsKHR::INHERIT) {
517        modes.push(wgt::CompositeAlphaMode::Inherit);
518    }
519    modes
520}
521
522pub fn map_buffer_usage(usage: wgt::BufferUses) -> vk::BufferUsageFlags {
523    let mut flags = vk::BufferUsageFlags::empty();
524    if usage.contains(wgt::BufferUses::COPY_SRC) {
525        flags |= vk::BufferUsageFlags::TRANSFER_SRC;
526    }
527    if usage.contains(wgt::BufferUses::COPY_DST) {
528        flags |= vk::BufferUsageFlags::TRANSFER_DST;
529    }
530    if usage.contains(wgt::BufferUses::UNIFORM) {
531        flags |= vk::BufferUsageFlags::UNIFORM_BUFFER;
532    }
533    if usage.intersects(wgt::BufferUses::STORAGE_READ_ONLY | wgt::BufferUses::STORAGE_READ_WRITE) {
534        flags |= vk::BufferUsageFlags::STORAGE_BUFFER;
535    }
536    if usage.contains(wgt::BufferUses::INDEX) {
537        flags |= vk::BufferUsageFlags::INDEX_BUFFER;
538    }
539    if usage.contains(wgt::BufferUses::VERTEX) {
540        flags |= vk::BufferUsageFlags::VERTEX_BUFFER;
541    }
542    if usage.contains(wgt::BufferUses::INDIRECT) {
543        flags |= vk::BufferUsageFlags::INDIRECT_BUFFER;
544    }
545    if usage.contains(wgt::BufferUses::ACCELERATION_STRUCTURE_SCRATCH) {
546        flags |= vk::BufferUsageFlags::STORAGE_BUFFER | vk::BufferUsageFlags::SHADER_DEVICE_ADDRESS;
547    }
548    if usage.intersects(
549        wgt::BufferUses::BOTTOM_LEVEL_ACCELERATION_STRUCTURE_INPUT
550            | wgt::BufferUses::TOP_LEVEL_ACCELERATION_STRUCTURE_INPUT,
551    ) {
552        flags |= vk::BufferUsageFlags::ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_KHR
553            | vk::BufferUsageFlags::SHADER_DEVICE_ADDRESS;
554    }
555    if usage.intersects(wgt::BufferUses::ACCELERATION_STRUCTURE_QUERY) {
556        flags |= vk::BufferUsageFlags::TRANSFER_DST;
557    }
558    flags
559}
560
561pub fn map_buffer_usage_to_barrier(
562    usage: wgt::BufferUses,
563) -> (vk::PipelineStageFlags, vk::AccessFlags) {
564    let mut stages = vk::PipelineStageFlags::empty();
565    let mut access = vk::AccessFlags::empty();
566    let shader_stages = vk::PipelineStageFlags::VERTEX_SHADER
567        | vk::PipelineStageFlags::FRAGMENT_SHADER
568        | vk::PipelineStageFlags::COMPUTE_SHADER;
569
570    if usage.contains(wgt::BufferUses::MAP_READ) {
571        stages |= vk::PipelineStageFlags::HOST;
572        access |= vk::AccessFlags::HOST_READ;
573    }
574    if usage.contains(wgt::BufferUses::MAP_WRITE) {
575        stages |= vk::PipelineStageFlags::HOST;
576        access |= vk::AccessFlags::HOST_WRITE;
577    }
578    if usage.contains(wgt::BufferUses::COPY_SRC) {
579        stages |= vk::PipelineStageFlags::TRANSFER;
580        access |= vk::AccessFlags::TRANSFER_READ;
581    }
582    if usage.contains(wgt::BufferUses::COPY_DST) {
583        stages |= vk::PipelineStageFlags::TRANSFER;
584        access |= vk::AccessFlags::TRANSFER_WRITE;
585    }
586    if usage.contains(wgt::BufferUses::UNIFORM) {
587        stages |= shader_stages;
588        access |= vk::AccessFlags::UNIFORM_READ;
589    }
590    if usage.intersects(wgt::BufferUses::STORAGE_READ_ONLY) {
591        stages |= shader_stages;
592        access |= vk::AccessFlags::SHADER_READ;
593    }
594    if usage.intersects(wgt::BufferUses::STORAGE_READ_WRITE) {
595        stages |= shader_stages;
596        access |= vk::AccessFlags::SHADER_READ | vk::AccessFlags::SHADER_WRITE;
597    }
598    if usage.contains(wgt::BufferUses::INDEX) {
599        stages |= vk::PipelineStageFlags::VERTEX_INPUT;
600        access |= vk::AccessFlags::INDEX_READ;
601    }
602    if usage.contains(wgt::BufferUses::VERTEX) {
603        stages |= vk::PipelineStageFlags::VERTEX_INPUT;
604        access |= vk::AccessFlags::VERTEX_ATTRIBUTE_READ;
605    }
606    if usage.contains(wgt::BufferUses::INDIRECT) {
607        stages |= vk::PipelineStageFlags::DRAW_INDIRECT;
608        access |= vk::AccessFlags::INDIRECT_COMMAND_READ;
609    }
610    if usage.intersects(
611        wgt::BufferUses::BOTTOM_LEVEL_ACCELERATION_STRUCTURE_INPUT
612            | wgt::BufferUses::TOP_LEVEL_ACCELERATION_STRUCTURE_INPUT
613            | wgt::BufferUses::ACCELERATION_STRUCTURE_SCRATCH,
614    ) {
615        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
616        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR
617            | vk::AccessFlags::ACCELERATION_STRUCTURE_WRITE_KHR
618            | vk::AccessFlags::SHADER_READ;
619    }
620    if usage.contains(wgt::BufferUses::ACCELERATION_STRUCTURE_QUERY) {
621        stages |= vk::PipelineStageFlags::TRANSFER;
622        access |= vk::AccessFlags::TRANSFER_WRITE;
623    }
624
625    (stages, access)
626}
627
628pub fn map_view_dimension(dim: wgt::TextureViewDimension) -> vk::ImageViewType {
629    match dim {
630        wgt::TextureViewDimension::D1 => vk::ImageViewType::TYPE_1D,
631        wgt::TextureViewDimension::D2 => vk::ImageViewType::TYPE_2D,
632        wgt::TextureViewDimension::D2Array => vk::ImageViewType::TYPE_2D_ARRAY,
633        wgt::TextureViewDimension::Cube => vk::ImageViewType::CUBE,
634        wgt::TextureViewDimension::CubeArray => vk::ImageViewType::CUBE_ARRAY,
635        wgt::TextureViewDimension::D3 => vk::ImageViewType::TYPE_3D,
636    }
637}
638
639pub fn map_copy_extent(extent: &crate::CopyExtent) -> vk::Extent3D {
640    vk::Extent3D {
641        width: extent.width,
642        height: extent.height,
643        depth: extent.depth,
644    }
645}
646
647pub fn map_subresource_range(
648    range: &wgt::ImageSubresourceRange,
649    format: wgt::TextureFormat,
650) -> vk::ImageSubresourceRange {
651    vk::ImageSubresourceRange {
652        aspect_mask: map_aspects(crate::FormatAspects::new(format, range.aspect)),
653        base_mip_level: range.base_mip_level,
654        level_count: range.mip_level_count.unwrap_or(vk::REMAINING_MIP_LEVELS),
655        base_array_layer: range.base_array_layer,
656        layer_count: range
657            .array_layer_count
658            .unwrap_or(vk::REMAINING_ARRAY_LAYERS),
659    }
660}
661
662// Special subresource range mapping for dealing with barriers
663// so that we account for the "hidden" depth aspect in emulated Stencil8.
664pub(super) fn map_subresource_range_combined_aspect(
665    range: &wgt::ImageSubresourceRange,
666    format: wgt::TextureFormat,
667    private_caps: &super::PrivateCapabilities,
668) -> vk::ImageSubresourceRange {
669    let mut range = map_subresource_range(range, format);
670    if !private_caps.texture_s8 && format == wgt::TextureFormat::Stencil8 {
671        range.aspect_mask |= vk::ImageAspectFlags::DEPTH;
672    }
673    range
674}
675
676pub fn map_subresource_layers(
677    base: &crate::TextureCopyBase,
678) -> (vk::ImageSubresourceLayers, vk::Offset3D) {
679    let offset = vk::Offset3D {
680        x: base.origin.x as i32,
681        y: base.origin.y as i32,
682        z: base.origin.z as i32,
683    };
684    let subresource = vk::ImageSubresourceLayers {
685        aspect_mask: map_aspects(base.aspect),
686        mip_level: base.mip_level,
687        base_array_layer: base.array_layer,
688        layer_count: 1,
689    };
690    (subresource, offset)
691}
692
693pub fn map_filter_mode(mode: wgt::FilterMode) -> vk::Filter {
694    match mode {
695        wgt::FilterMode::Nearest => vk::Filter::NEAREST,
696        wgt::FilterMode::Linear => vk::Filter::LINEAR,
697    }
698}
699
700pub fn map_mip_filter_mode(mode: wgt::MipmapFilterMode) -> vk::SamplerMipmapMode {
701    match mode {
702        wgt::MipmapFilterMode::Nearest => vk::SamplerMipmapMode::NEAREST,
703        wgt::MipmapFilterMode::Linear => vk::SamplerMipmapMode::LINEAR,
704    }
705}
706
707pub fn map_address_mode(mode: wgt::AddressMode) -> vk::SamplerAddressMode {
708    match mode {
709        wgt::AddressMode::ClampToEdge => vk::SamplerAddressMode::CLAMP_TO_EDGE,
710        wgt::AddressMode::Repeat => vk::SamplerAddressMode::REPEAT,
711        wgt::AddressMode::MirrorRepeat => vk::SamplerAddressMode::MIRRORED_REPEAT,
712        wgt::AddressMode::ClampToBorder => vk::SamplerAddressMode::CLAMP_TO_BORDER,
713        // wgt::AddressMode::MirrorClamp => vk::SamplerAddressMode::MIRROR_CLAMP_TO_EDGE,
714    }
715}
716
717pub fn map_border_color(border_color: wgt::SamplerBorderColor) -> vk::BorderColor {
718    match border_color {
719        wgt::SamplerBorderColor::TransparentBlack | wgt::SamplerBorderColor::Zero => {
720            vk::BorderColor::FLOAT_TRANSPARENT_BLACK
721        }
722        wgt::SamplerBorderColor::OpaqueBlack => vk::BorderColor::FLOAT_OPAQUE_BLACK,
723        wgt::SamplerBorderColor::OpaqueWhite => vk::BorderColor::FLOAT_OPAQUE_WHITE,
724    }
725}
726
727pub fn map_comparison(fun: wgt::CompareFunction) -> vk::CompareOp {
728    use wgt::CompareFunction as Cf;
729    match fun {
730        Cf::Never => vk::CompareOp::NEVER,
731        Cf::Less => vk::CompareOp::LESS,
732        Cf::LessEqual => vk::CompareOp::LESS_OR_EQUAL,
733        Cf::Equal => vk::CompareOp::EQUAL,
734        Cf::GreaterEqual => vk::CompareOp::GREATER_OR_EQUAL,
735        Cf::Greater => vk::CompareOp::GREATER,
736        Cf::NotEqual => vk::CompareOp::NOT_EQUAL,
737        Cf::Always => vk::CompareOp::ALWAYS,
738    }
739}
740
741pub fn map_shader_stage(stage: wgt::ShaderStages) -> vk::ShaderStageFlags {
742    let mut flags = vk::ShaderStageFlags::empty();
743    if stage.contains(wgt::ShaderStages::VERTEX) {
744        flags |= vk::ShaderStageFlags::VERTEX;
745    }
746    if stage.contains(wgt::ShaderStages::FRAGMENT) {
747        flags |= vk::ShaderStageFlags::FRAGMENT;
748    }
749    if stage.contains(wgt::ShaderStages::COMPUTE) {
750        flags |= vk::ShaderStageFlags::COMPUTE;
751    }
752    if stage.contains(wgt::ShaderStages::TASK) {
753        flags |= vk::ShaderStageFlags::TASK_EXT;
754    }
755    if stage.contains(wgt::ShaderStages::MESH) {
756        flags |= vk::ShaderStageFlags::MESH_EXT;
757    }
758    flags
759}
760
761pub fn map_binding_type(ty: wgt::BindingType) -> vk::DescriptorType {
762    match ty {
763        wgt::BindingType::Buffer {
764            ty,
765            has_dynamic_offset,
766            ..
767        } => match ty {
768            wgt::BufferBindingType::Storage { .. } => match has_dynamic_offset {
769                true => vk::DescriptorType::STORAGE_BUFFER_DYNAMIC,
770                false => vk::DescriptorType::STORAGE_BUFFER,
771            },
772            wgt::BufferBindingType::Uniform => match has_dynamic_offset {
773                true => vk::DescriptorType::UNIFORM_BUFFER_DYNAMIC,
774                false => vk::DescriptorType::UNIFORM_BUFFER,
775            },
776        },
777        wgt::BindingType::Sampler { .. } => vk::DescriptorType::SAMPLER,
778        wgt::BindingType::Texture { .. } => vk::DescriptorType::SAMPLED_IMAGE,
779        wgt::BindingType::StorageTexture { .. } => vk::DescriptorType::STORAGE_IMAGE,
780        wgt::BindingType::AccelerationStructure { .. } => {
781            vk::DescriptorType::ACCELERATION_STRUCTURE_KHR
782        }
783        wgt::BindingType::ExternalTexture => unimplemented!(),
784    }
785}
786
787pub fn map_topology(topology: wgt::PrimitiveTopology) -> vk::PrimitiveTopology {
788    use wgt::PrimitiveTopology as Pt;
789    match topology {
790        Pt::PointList => vk::PrimitiveTopology::POINT_LIST,
791        Pt::LineList => vk::PrimitiveTopology::LINE_LIST,
792        Pt::LineStrip => vk::PrimitiveTopology::LINE_STRIP,
793        Pt::TriangleList => vk::PrimitiveTopology::TRIANGLE_LIST,
794        Pt::TriangleStrip => vk::PrimitiveTopology::TRIANGLE_STRIP,
795    }
796}
797
798pub fn map_polygon_mode(mode: wgt::PolygonMode) -> vk::PolygonMode {
799    match mode {
800        wgt::PolygonMode::Fill => vk::PolygonMode::FILL,
801        wgt::PolygonMode::Line => vk::PolygonMode::LINE,
802        wgt::PolygonMode::Point => vk::PolygonMode::POINT,
803    }
804}
805
806pub fn map_front_face(front_face: wgt::FrontFace) -> vk::FrontFace {
807    match front_face {
808        wgt::FrontFace::Cw => vk::FrontFace::CLOCKWISE,
809        wgt::FrontFace::Ccw => vk::FrontFace::COUNTER_CLOCKWISE,
810    }
811}
812
813pub fn map_cull_face(face: wgt::Face) -> vk::CullModeFlags {
814    match face {
815        wgt::Face::Front => vk::CullModeFlags::FRONT,
816        wgt::Face::Back => vk::CullModeFlags::BACK,
817    }
818}
819
820pub fn map_stencil_op(op: wgt::StencilOperation) -> vk::StencilOp {
821    use wgt::StencilOperation as So;
822    match op {
823        So::Keep => vk::StencilOp::KEEP,
824        So::Zero => vk::StencilOp::ZERO,
825        So::Replace => vk::StencilOp::REPLACE,
826        So::Invert => vk::StencilOp::INVERT,
827        So::IncrementClamp => vk::StencilOp::INCREMENT_AND_CLAMP,
828        So::IncrementWrap => vk::StencilOp::INCREMENT_AND_WRAP,
829        So::DecrementClamp => vk::StencilOp::DECREMENT_AND_CLAMP,
830        So::DecrementWrap => vk::StencilOp::DECREMENT_AND_WRAP,
831    }
832}
833
834pub fn map_stencil_face(
835    face: &wgt::StencilFaceState,
836    compare_mask: u32,
837    write_mask: u32,
838) -> vk::StencilOpState {
839    vk::StencilOpState {
840        fail_op: map_stencil_op(face.fail_op),
841        pass_op: map_stencil_op(face.pass_op),
842        depth_fail_op: map_stencil_op(face.depth_fail_op),
843        compare_op: map_comparison(face.compare),
844        compare_mask,
845        write_mask,
846        reference: 0,
847    }
848}
849
850fn map_blend_factor(factor: wgt::BlendFactor) -> vk::BlendFactor {
851    use wgt::BlendFactor as Bf;
852    match factor {
853        Bf::Zero => vk::BlendFactor::ZERO,
854        Bf::One => vk::BlendFactor::ONE,
855        Bf::Src => vk::BlendFactor::SRC_COLOR,
856        Bf::OneMinusSrc => vk::BlendFactor::ONE_MINUS_SRC_COLOR,
857        Bf::SrcAlpha => vk::BlendFactor::SRC_ALPHA,
858        Bf::OneMinusSrcAlpha => vk::BlendFactor::ONE_MINUS_SRC_ALPHA,
859        Bf::Dst => vk::BlendFactor::DST_COLOR,
860        Bf::OneMinusDst => vk::BlendFactor::ONE_MINUS_DST_COLOR,
861        Bf::DstAlpha => vk::BlendFactor::DST_ALPHA,
862        Bf::OneMinusDstAlpha => vk::BlendFactor::ONE_MINUS_DST_ALPHA,
863        Bf::SrcAlphaSaturated => vk::BlendFactor::SRC_ALPHA_SATURATE,
864        Bf::Constant => vk::BlendFactor::CONSTANT_COLOR,
865        Bf::OneMinusConstant => vk::BlendFactor::ONE_MINUS_CONSTANT_COLOR,
866        Bf::Src1 => vk::BlendFactor::SRC1_COLOR,
867        Bf::OneMinusSrc1 => vk::BlendFactor::ONE_MINUS_SRC1_COLOR,
868        Bf::Src1Alpha => vk::BlendFactor::SRC1_ALPHA,
869        Bf::OneMinusSrc1Alpha => vk::BlendFactor::ONE_MINUS_SRC1_ALPHA,
870    }
871}
872
873fn map_blend_op(operation: wgt::BlendOperation) -> vk::BlendOp {
874    use wgt::BlendOperation as Bo;
875    match operation {
876        Bo::Add => vk::BlendOp::ADD,
877        Bo::Subtract => vk::BlendOp::SUBTRACT,
878        Bo::ReverseSubtract => vk::BlendOp::REVERSE_SUBTRACT,
879        Bo::Min => vk::BlendOp::MIN,
880        Bo::Max => vk::BlendOp::MAX,
881    }
882}
883
884pub fn map_blend_component(
885    component: &wgt::BlendComponent,
886) -> (vk::BlendOp, vk::BlendFactor, vk::BlendFactor) {
887    let op = map_blend_op(component.operation);
888    let src = map_blend_factor(component.src_factor);
889    let dst = map_blend_factor(component.dst_factor);
890    (op, src, dst)
891}
892
893pub fn map_pipeline_statistics(
894    types: wgt::PipelineStatisticsTypes,
895) -> vk::QueryPipelineStatisticFlags {
896    use wgt::PipelineStatisticsTypes as Pst;
897    let mut flags = vk::QueryPipelineStatisticFlags::empty();
898    if types.contains(Pst::VERTEX_SHADER_INVOCATIONS) {
899        flags |= vk::QueryPipelineStatisticFlags::VERTEX_SHADER_INVOCATIONS;
900    }
901    if types.contains(Pst::CLIPPER_INVOCATIONS) {
902        flags |= vk::QueryPipelineStatisticFlags::CLIPPING_INVOCATIONS;
903    }
904    if types.contains(Pst::CLIPPER_PRIMITIVES_OUT) {
905        flags |= vk::QueryPipelineStatisticFlags::CLIPPING_PRIMITIVES;
906    }
907    if types.contains(Pst::FRAGMENT_SHADER_INVOCATIONS) {
908        flags |= vk::QueryPipelineStatisticFlags::FRAGMENT_SHADER_INVOCATIONS;
909    }
910    if types.contains(Pst::COMPUTE_SHADER_INVOCATIONS) {
911        flags |= vk::QueryPipelineStatisticFlags::COMPUTE_SHADER_INVOCATIONS;
912    }
913    flags
914}
915
916pub fn map_acceleration_structure_format(
917    format: crate::AccelerationStructureFormat,
918) -> vk::AccelerationStructureTypeKHR {
919    match format {
920        crate::AccelerationStructureFormat::TopLevel => vk::AccelerationStructureTypeKHR::TOP_LEVEL,
921        crate::AccelerationStructureFormat::BottomLevel => {
922            vk::AccelerationStructureTypeKHR::BOTTOM_LEVEL
923        }
924    }
925}
926
927pub fn map_acceleration_structure_build_mode(
928    format: crate::AccelerationStructureBuildMode,
929) -> vk::BuildAccelerationStructureModeKHR {
930    match format {
931        crate::AccelerationStructureBuildMode::Build => {
932            vk::BuildAccelerationStructureModeKHR::BUILD
933        }
934        crate::AccelerationStructureBuildMode::Update => {
935            vk::BuildAccelerationStructureModeKHR::UPDATE
936        }
937    }
938}
939
940pub fn map_acceleration_structure_flags(
941    flags: crate::AccelerationStructureBuildFlags,
942) -> vk::BuildAccelerationStructureFlagsKHR {
943    let mut vk_flags = vk::BuildAccelerationStructureFlagsKHR::empty();
944
945    if flags.contains(crate::AccelerationStructureBuildFlags::PREFER_FAST_TRACE) {
946        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::PREFER_FAST_TRACE;
947    }
948
949    if flags.contains(crate::AccelerationStructureBuildFlags::PREFER_FAST_BUILD) {
950        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::PREFER_FAST_BUILD;
951    }
952
953    if flags.contains(crate::AccelerationStructureBuildFlags::ALLOW_UPDATE) {
954        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::ALLOW_UPDATE;
955    }
956
957    if flags.contains(crate::AccelerationStructureBuildFlags::LOW_MEMORY) {
958        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::LOW_MEMORY;
959    }
960
961    if flags.contains(crate::AccelerationStructureBuildFlags::ALLOW_COMPACTION) {
962        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::ALLOW_COMPACTION
963    }
964
965    if flags.contains(crate::AccelerationStructureBuildFlags::ALLOW_RAY_HIT_VERTEX_RETURN) {
966        vk_flags |= vk::BuildAccelerationStructureFlagsKHR::ALLOW_DATA_ACCESS
967    }
968
969    vk_flags
970}
971
972pub fn map_acceleration_structure_geometry_flags(
973    flags: crate::AccelerationStructureGeometryFlags,
974) -> vk::GeometryFlagsKHR {
975    let mut vk_flags = vk::GeometryFlagsKHR::empty();
976
977    if flags.contains(crate::AccelerationStructureGeometryFlags::OPAQUE) {
978        vk_flags |= vk::GeometryFlagsKHR::OPAQUE;
979    }
980
981    if flags.contains(crate::AccelerationStructureGeometryFlags::NO_DUPLICATE_ANY_HIT_INVOCATION) {
982        vk_flags |= vk::GeometryFlagsKHR::NO_DUPLICATE_ANY_HIT_INVOCATION;
983    }
984
985    vk_flags
986}
987
988pub fn map_acceleration_structure_usage_to_barrier(
989    usage: crate::AccelerationStructureUses,
990    features: wgt::Features,
991) -> (vk::PipelineStageFlags, vk::AccessFlags) {
992    let mut stages = vk::PipelineStageFlags::empty();
993    let mut access = vk::AccessFlags::empty();
994
995    if usage.contains(crate::AccelerationStructureUses::BUILD_INPUT) {
996        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
997        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR;
998    }
999    if usage.contains(crate::AccelerationStructureUses::QUERY_INPUT) {
1000        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
1001        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR;
1002    }
1003    if usage.contains(crate::AccelerationStructureUses::BUILD_OUTPUT) {
1004        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
1005        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_WRITE_KHR;
1006    }
1007    if usage.contains(crate::AccelerationStructureUses::SHADER_INPUT)
1008        && features.contains(wgt::Features::EXPERIMENTAL_RAY_QUERY)
1009    {
1010        stages |= vk::PipelineStageFlags::VERTEX_SHADER
1011            | vk::PipelineStageFlags::FRAGMENT_SHADER
1012            | vk::PipelineStageFlags::COMPUTE_SHADER;
1013        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR;
1014    }
1015    if usage.contains(crate::AccelerationStructureUses::COPY_SRC) {
1016        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
1017        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_READ_KHR;
1018    }
1019    if usage.contains(crate::AccelerationStructureUses::COPY_DST) {
1020        stages |= vk::PipelineStageFlags::ACCELERATION_STRUCTURE_BUILD_KHR;
1021        access |= vk::AccessFlags::ACCELERATION_STRUCTURE_WRITE_KHR;
1022    }
1023
1024    (stages, access)
1025}
wgpu_hal/vulkan/conv.rs

wgpu_hal/vulkan/
conv.rs
