1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
|
use std::{ffi::OsString, os::windows::ffi::OsStringExt};
use winapi::shared::dxgiformat;
// Helper to convert DXGI adapter name to a normal string
pub fn map_adapter_name(name: [u16; 128]) -> String {
let len = name.iter().take_while(|&&c| c != 0).count();
let name = OsString::from_wide(&name[..len]);
name.to_string_lossy().into_owned()
}
pub fn map_texture_format_failable(format: wgt::TextureFormat) -> Option<dxgiformat::DXGI_FORMAT> {
use wgt::TextureFormat as Tf;
use winapi::shared::dxgiformat::*;
Some(match format {
Tf::R8Unorm => DXGI_FORMAT_R8_UNORM,
Tf::R8Snorm => DXGI_FORMAT_R8_SNORM,
Tf::R8Uint => DXGI_FORMAT_R8_UINT,
Tf::R8Sint => DXGI_FORMAT_R8_SINT,
Tf::R16Uint => DXGI_FORMAT_R16_UINT,
Tf::R16Sint => DXGI_FORMAT_R16_SINT,
Tf::R16Unorm => DXGI_FORMAT_R16_UNORM,
Tf::R16Snorm => DXGI_FORMAT_R16_SNORM,
Tf::R16Float => DXGI_FORMAT_R16_FLOAT,
Tf::Rg8Unorm => DXGI_FORMAT_R8G8_UNORM,
Tf::Rg8Snorm => DXGI_FORMAT_R8G8_SNORM,
Tf::Rg8Uint => DXGI_FORMAT_R8G8_UINT,
Tf::Rg8Sint => DXGI_FORMAT_R8G8_SINT,
Tf::Rg16Unorm => DXGI_FORMAT_R16G16_UNORM,
Tf::Rg16Snorm => DXGI_FORMAT_R16G16_SNORM,
Tf::R32Uint => DXGI_FORMAT_R32_UINT,
Tf::R32Sint => DXGI_FORMAT_R32_SINT,
Tf::R32Float => DXGI_FORMAT_R32_FLOAT,
Tf::Rg16Uint => DXGI_FORMAT_R16G16_UINT,
Tf::Rg16Sint => DXGI_FORMAT_R16G16_SINT,
Tf::Rg16Float => DXGI_FORMAT_R16G16_FLOAT,
Tf::Rgba8Unorm => DXGI_FORMAT_R8G8B8A8_UNORM,
Tf::Rgba8UnormSrgb => DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
Tf::Bgra8UnormSrgb => DXGI_FORMAT_B8G8R8A8_UNORM_SRGB,
Tf::Rgba8Snorm => DXGI_FORMAT_R8G8B8A8_SNORM,
Tf::Bgra8Unorm => DXGI_FORMAT_B8G8R8A8_UNORM,
Tf::Rgba8Uint => DXGI_FORMAT_R8G8B8A8_UINT,
Tf::Rgba8Sint => DXGI_FORMAT_R8G8B8A8_SINT,
Tf::Rgb9e5Ufloat => DXGI_FORMAT_R9G9B9E5_SHAREDEXP,
Tf::Rgb10a2Uint => DXGI_FORMAT_R10G10B10A2_UINT,
Tf::Rgb10a2Unorm => DXGI_FORMAT_R10G10B10A2_UNORM,
Tf::Rg11b10Float => DXGI_FORMAT_R11G11B10_FLOAT,
Tf::Rg32Uint => DXGI_FORMAT_R32G32_UINT,
Tf::Rg32Sint => DXGI_FORMAT_R32G32_SINT,
Tf::Rg32Float => DXGI_FORMAT_R32G32_FLOAT,
Tf::Rgba16Uint => DXGI_FORMAT_R16G16B16A16_UINT,
Tf::Rgba16Sint => DXGI_FORMAT_R16G16B16A16_SINT,
Tf::Rgba16Unorm => DXGI_FORMAT_R16G16B16A16_UNORM,
Tf::Rgba16Snorm => DXGI_FORMAT_R16G16B16A16_SNORM,
Tf::Rgba16Float => DXGI_FORMAT_R16G16B16A16_FLOAT,
Tf::Rgba32Uint => DXGI_FORMAT_R32G32B32A32_UINT,
Tf::Rgba32Sint => DXGI_FORMAT_R32G32B32A32_SINT,
Tf::Rgba32Float => DXGI_FORMAT_R32G32B32A32_FLOAT,
Tf::Stencil8 => DXGI_FORMAT_D24_UNORM_S8_UINT,
Tf::Depth16Unorm => DXGI_FORMAT_D16_UNORM,
Tf::Depth24Plus => DXGI_FORMAT_D24_UNORM_S8_UINT,
Tf::Depth24PlusStencil8 => DXGI_FORMAT_D24_UNORM_S8_UINT,
Tf::Depth32Float => DXGI_FORMAT_D32_FLOAT,
Tf::Depth32FloatStencil8 => DXGI_FORMAT_D32_FLOAT_S8X24_UINT,
Tf::NV12 => DXGI_FORMAT_NV12,
Tf::Bc1RgbaUnorm => DXGI_FORMAT_BC1_UNORM,
Tf::Bc1RgbaUnormSrgb => DXGI_FORMAT_BC1_UNORM_SRGB,
Tf::Bc2RgbaUnorm => DXGI_FORMAT_BC2_UNORM,
Tf::Bc2RgbaUnormSrgb => DXGI_FORMAT_BC2_UNORM_SRGB,
Tf::Bc3RgbaUnorm => DXGI_FORMAT_BC3_UNORM,
Tf::Bc3RgbaUnormSrgb => DXGI_FORMAT_BC3_UNORM_SRGB,
Tf::Bc4RUnorm => DXGI_FORMAT_BC4_UNORM,
Tf::Bc4RSnorm => DXGI_FORMAT_BC4_SNORM,
Tf::Bc5RgUnorm => DXGI_FORMAT_BC5_UNORM,
Tf::Bc5RgSnorm => DXGI_FORMAT_BC5_SNORM,
Tf::Bc6hRgbUfloat => DXGI_FORMAT_BC6H_UF16,
Tf::Bc6hRgbFloat => DXGI_FORMAT_BC6H_SF16,
Tf::Bc7RgbaUnorm => DXGI_FORMAT_BC7_UNORM,
Tf::Bc7RgbaUnormSrgb => DXGI_FORMAT_BC7_UNORM_SRGB,
Tf::Etc2Rgb8Unorm
| Tf::Etc2Rgb8UnormSrgb
| Tf::Etc2Rgb8A1Unorm
| Tf::Etc2Rgb8A1UnormSrgb
| Tf::Etc2Rgba8Unorm
| Tf::Etc2Rgba8UnormSrgb
| Tf::EacR11Unorm
| Tf::EacR11Snorm
| Tf::EacRg11Unorm
| Tf::EacRg11Snorm
| Tf::Astc {
block: _,
channel: _,
} => return None,
})
}
pub fn map_texture_format(format: wgt::TextureFormat) -> dxgiformat::DXGI_FORMAT {
match map_texture_format_failable(format) {
Some(f) => f,
None => unreachable!(),
}
}
// Note: DXGI doesn't allow sRGB format on the swapchain,
// but creating RTV of swapchain buffers with sRGB works.
pub fn map_texture_format_nosrgb(format: wgt::TextureFormat) -> dxgiformat::DXGI_FORMAT {
match format {
wgt::TextureFormat::Bgra8UnormSrgb => dxgiformat::DXGI_FORMAT_B8G8R8A8_UNORM,
wgt::TextureFormat::Rgba8UnormSrgb => dxgiformat::DXGI_FORMAT_R8G8B8A8_UNORM,
_ => map_texture_format(format),
}
}
// SRV and UAV can't use the depth or typeless formats
// see https://microsoft.github.io/DirectX-Specs/d3d/PlanarDepthStencilDDISpec.html#view-creation
pub fn map_texture_format_for_srv_uav(
format: wgt::TextureFormat,
aspect: crate::FormatAspects,
) -> Option<dxgiformat::DXGI_FORMAT> {
Some(match (format, aspect) {
(wgt::TextureFormat::Depth16Unorm, crate::FormatAspects::DEPTH) => {
dxgiformat::DXGI_FORMAT_R16_UNORM
}
(wgt::TextureFormat::Depth32Float, crate::FormatAspects::DEPTH) => {
dxgiformat::DXGI_FORMAT_R32_FLOAT
}
(wgt::TextureFormat::Depth32FloatStencil8, crate::FormatAspects::DEPTH) => {
dxgiformat::DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS
}
(
wgt::TextureFormat::Depth24Plus | wgt::TextureFormat::Depth24PlusStencil8,
crate::FormatAspects::DEPTH,
) => dxgiformat::DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
(wgt::TextureFormat::Depth32FloatStencil8, crate::FormatAspects::STENCIL) => {
dxgiformat::DXGI_FORMAT_X32_TYPELESS_G8X24_UINT
}
(
wgt::TextureFormat::Stencil8 | wgt::TextureFormat::Depth24PlusStencil8,
crate::FormatAspects::STENCIL,
) => dxgiformat::DXGI_FORMAT_X24_TYPELESS_G8_UINT,
(_, crate::FormatAspects::DEPTH)
| (_, crate::FormatAspects::STENCIL)
| (_, crate::FormatAspects::DEPTH_STENCIL) => return None,
_ => map_texture_format(format),
})
}
// see https://microsoft.github.io/DirectX-Specs/d3d/PlanarDepthStencilDDISpec.html#planar-layout-for-staging-from-buffer
pub fn map_texture_format_for_copy(
format: wgt::TextureFormat,
aspect: crate::FormatAspects,
) -> Option<dxgiformat::DXGI_FORMAT> {
Some(match (format, aspect) {
(wgt::TextureFormat::Depth16Unorm, crate::FormatAspects::DEPTH) => {
dxgiformat::DXGI_FORMAT_R16_UNORM
}
(
wgt::TextureFormat::Depth32Float | wgt::TextureFormat::Depth32FloatStencil8,
crate::FormatAspects::DEPTH,
) => dxgiformat::DXGI_FORMAT_R32_FLOAT,
(
wgt::TextureFormat::Stencil8
| wgt::TextureFormat::Depth24PlusStencil8
| wgt::TextureFormat::Depth32FloatStencil8,
crate::FormatAspects::STENCIL,
) => dxgiformat::DXGI_FORMAT_R8_UINT,
(format, crate::FormatAspects::COLOR) => map_texture_format(format),
_ => return None,
})
}
pub fn map_texture_format_for_resource(
format: wgt::TextureFormat,
usage: crate::TextureUses,
has_view_formats: bool,
casting_fully_typed_format_supported: bool,
) -> dxgiformat::DXGI_FORMAT {
use wgt::TextureFormat as Tf;
use winapi::shared::dxgiformat::*;
if casting_fully_typed_format_supported {
map_texture_format(format)
// We might view this resource as srgb or non-srgb
} else if has_view_formats {
match format {
Tf::Rgba8Unorm | Tf::Rgba8UnormSrgb => DXGI_FORMAT_R8G8B8A8_TYPELESS,
Tf::Bgra8Unorm | Tf::Bgra8UnormSrgb => DXGI_FORMAT_B8G8R8A8_TYPELESS,
Tf::Bc1RgbaUnorm | Tf::Bc1RgbaUnormSrgb => DXGI_FORMAT_BC1_TYPELESS,
Tf::Bc2RgbaUnorm | Tf::Bc2RgbaUnormSrgb => DXGI_FORMAT_BC2_TYPELESS,
Tf::Bc3RgbaUnorm | Tf::Bc3RgbaUnormSrgb => DXGI_FORMAT_BC3_TYPELESS,
Tf::Bc7RgbaUnorm | Tf::Bc7RgbaUnormSrgb => DXGI_FORMAT_BC7_TYPELESS,
format => map_texture_format(format),
}
// We might view this resource as SRV/UAV but also as DSV
} else if format.is_depth_stencil_format()
&& usage.intersects(
crate::TextureUses::RESOURCE
| crate::TextureUses::STORAGE_READ
| crate::TextureUses::STORAGE_READ_WRITE,
)
{
match format {
Tf::Depth16Unorm => DXGI_FORMAT_R16_TYPELESS,
Tf::Depth32Float => DXGI_FORMAT_R32_TYPELESS,
Tf::Depth32FloatStencil8 => DXGI_FORMAT_R32G8X24_TYPELESS,
Tf::Stencil8 | Tf::Depth24Plus | Tf::Depth24PlusStencil8 => DXGI_FORMAT_R24G8_TYPELESS,
_ => unreachable!(),
}
} else {
map_texture_format(format)
}
}
pub fn map_index_format(format: wgt::IndexFormat) -> dxgiformat::DXGI_FORMAT {
match format {
wgt::IndexFormat::Uint16 => dxgiformat::DXGI_FORMAT_R16_UINT,
wgt::IndexFormat::Uint32 => dxgiformat::DXGI_FORMAT_R32_UINT,
}
}
pub fn map_vertex_format(format: wgt::VertexFormat) -> dxgiformat::DXGI_FORMAT {
use wgt::VertexFormat as Vf;
use winapi::shared::dxgiformat::*;
match format {
Vf::Unorm8x2 => DXGI_FORMAT_R8G8_UNORM,
Vf::Snorm8x2 => DXGI_FORMAT_R8G8_SNORM,
Vf::Uint8x2 => DXGI_FORMAT_R8G8_UINT,
Vf::Sint8x2 => DXGI_FORMAT_R8G8_SINT,
Vf::Unorm8x4 => DXGI_FORMAT_R8G8B8A8_UNORM,
Vf::Snorm8x4 => DXGI_FORMAT_R8G8B8A8_SNORM,
Vf::Uint8x4 => DXGI_FORMAT_R8G8B8A8_UINT,
Vf::Sint8x4 => DXGI_FORMAT_R8G8B8A8_SINT,
Vf::Unorm16x2 => DXGI_FORMAT_R16G16_UNORM,
Vf::Snorm16x2 => DXGI_FORMAT_R16G16_SNORM,
Vf::Uint16x2 => DXGI_FORMAT_R16G16_UINT,
Vf::Sint16x2 => DXGI_FORMAT_R16G16_SINT,
Vf::Float16x2 => DXGI_FORMAT_R16G16_FLOAT,
Vf::Unorm16x4 => DXGI_FORMAT_R16G16B16A16_UNORM,
Vf::Snorm16x4 => DXGI_FORMAT_R16G16B16A16_SNORM,
Vf::Uint16x4 => DXGI_FORMAT_R16G16B16A16_UINT,
Vf::Sint16x4 => DXGI_FORMAT_R16G16B16A16_SINT,
Vf::Float16x4 => DXGI_FORMAT_R16G16B16A16_FLOAT,
Vf::Uint32 => DXGI_FORMAT_R32_UINT,
Vf::Sint32 => DXGI_FORMAT_R32_SINT,
Vf::Float32 => DXGI_FORMAT_R32_FLOAT,
Vf::Uint32x2 => DXGI_FORMAT_R32G32_UINT,
Vf::Sint32x2 => DXGI_FORMAT_R32G32_SINT,
Vf::Float32x2 => DXGI_FORMAT_R32G32_FLOAT,
Vf::Uint32x3 => DXGI_FORMAT_R32G32B32_UINT,
Vf::Sint32x3 => DXGI_FORMAT_R32G32B32_SINT,
Vf::Float32x3 => DXGI_FORMAT_R32G32B32_FLOAT,
Vf::Uint32x4 => DXGI_FORMAT_R32G32B32A32_UINT,
Vf::Sint32x4 => DXGI_FORMAT_R32G32B32A32_SINT,
Vf::Float32x4 => DXGI_FORMAT_R32G32B32A32_FLOAT,
Vf::Unorm10_10_10_2 => DXGI_FORMAT_R10G10B10A2_UNORM,
Vf::Float64 | Vf::Float64x2 | Vf::Float64x3 | Vf::Float64x4 => unimplemented!(),
}
}
pub fn map_acomposite_alpha_mode(_mode: wgt::CompositeAlphaMode) -> d3d12::AlphaMode {
d3d12::AlphaMode::Ignore
}
|
