Monado OpenXR Runtime
d3d_dxgi_formats.h
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1 // Copyright 2020-2022, Collabora, Ltd.
2 // SPDX-License-Identifier: BSL-1.0
3 /*!
4  * @file
5  * @brief Format conversion for DXGI/D3D.
6  * @author Rylie Pavlik <rylie.pavlik@collabora.com>
7  * @ingroup aux_d3d
8  */
9 
10 #pragma once
11 
12 #include "xrt/xrt_windows.h"
13 #include "xrt/xrt_vulkan_includes.h"
14 
15 #include <dxgiformat.h>
16 
17 
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 static inline DXGI_FORMAT
23 d3d_vk_format_to_dxgi(int64_t format)
24 {
25  switch (format) {
26  case VK_FORMAT_B8G8R8A8_SRGB: return DXGI_FORMAT_B8G8R8A8_UNORM_SRGB;
27  case VK_FORMAT_B8G8R8A8_UNORM: return DXGI_FORMAT_B8G8R8A8_UNORM;
28  case VK_FORMAT_D16_UNORM: return DXGI_FORMAT_D16_UNORM;
29  case VK_FORMAT_D24_UNORM_S8_UINT: return DXGI_FORMAT_D24_UNORM_S8_UINT;
30  case VK_FORMAT_D32_SFLOAT_S8_UINT: return DXGI_FORMAT_D32_FLOAT_S8X24_UINT;
31  case VK_FORMAT_D32_SFLOAT: return DXGI_FORMAT_D32_FLOAT;
32  // case VK_FORMAT_R16G16B16_SFLOAT: return DXGI_FORMAT_R16G16B16A16_FLOAT; /// @todo OK to just add A?
33  // case VK_FORMAT_R16G16B16_UNORM: return DXGI_FORMAT_R16G16B16A16_UNORM; /// @todo OK to just add A?
34  case VK_FORMAT_R16G16B16A16_SFLOAT: return DXGI_FORMAT_R16G16B16A16_FLOAT;
35  case VK_FORMAT_R16G16B16A16_UNORM: return DXGI_FORMAT_R16G16B16A16_UNORM;
36  case VK_FORMAT_R8G8B8A8_SRGB: return DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
37  case VK_FORMAT_R8G8B8A8_UNORM: return DXGI_FORMAT_R8G8B8A8_UNORM; // Should not be used, colour precision.
38  case VK_FORMAT_R32_SFLOAT: return DXGI_FORMAT_R32_FLOAT;
39 
40  case VK_FORMAT_X8_D24_UNORM_PACK32: /// @todo DXGI_FORMAT_D24_UNORM_S8_UINT ?
41  return (DXGI_FORMAT)0;
42  case VK_FORMAT_A2B10G10R10_UNORM_PACK32: /// @todo DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM ?
43  return (DXGI_FORMAT)0;
44 
45  default: return (DXGI_FORMAT)0;
46  }
47 }
48 
49 static inline DXGI_FORMAT
50 d3d_dxgi_format_to_typeless_dxgi(DXGI_FORMAT format)
51 {
52  switch (format) {
53  case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB: //
54  case DXGI_FORMAT_B8G8R8A8_UNORM: //
55  return DXGI_FORMAT_B8G8R8A8_TYPELESS;
56 
57  case DXGI_FORMAT_D16_UNORM: //
58  return DXGI_FORMAT_R16_TYPELESS;
59 
60  case DXGI_FORMAT_D32_FLOAT: //
61  return DXGI_FORMAT_R32_TYPELESS;
62 
63  case DXGI_FORMAT_D24_UNORM_S8_UINT: //
64  return DXGI_FORMAT_R24G8_TYPELESS;
65 
66  case DXGI_FORMAT_D32_FLOAT_S8X24_UINT: //
67  return DXGI_FORMAT_R32G8X24_TYPELESS;
68 
69  case DXGI_FORMAT_R16G16B16A16_FLOAT: //
70  case DXGI_FORMAT_R16G16B16A16_UNORM: //
71  return DXGI_FORMAT_R16G16B16A16_TYPELESS;
72 
73  case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
74  case DXGI_FORMAT_R8G8B8A8_UNORM: //
75  return DXGI_FORMAT_R8G8B8A8_TYPELESS;
76 
77  case DXGI_FORMAT_R32_FLOAT: //
78  return DXGI_FORMAT_R32_TYPELESS;
79 
80  default: return format;
81  }
82 }
83 
84 static inline int64_t
85 d3d_dxgi_format_to_vk(DXGI_FORMAT format)
86 {
87  switch (format) {
88  case DXGI_FORMAT_R8G8B8A8_UNORM: return VK_FORMAT_R8G8B8A8_UNORM; // Should not be used, colour precision.
89  case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB: return VK_FORMAT_R8G8B8A8_SRGB;
90  case DXGI_FORMAT_B8G8R8A8_UNORM: return VK_FORMAT_B8G8R8A8_UNORM;
91  case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB: return VK_FORMAT_B8G8R8A8_SRGB;
92  case DXGI_FORMAT_R16G16B16A16_FLOAT: return VK_FORMAT_R16G16B16A16_SFLOAT;
93  case DXGI_FORMAT_R16G16B16A16_UNORM: return VK_FORMAT_R16G16B16A16_UNORM;
94  case DXGI_FORMAT_R16G16B16A16_SNORM: return VK_FORMAT_R16G16B16A16_SNORM;
95  case DXGI_FORMAT_R32_FLOAT: return VK_FORMAT_R32_SFLOAT;
96  case DXGI_FORMAT_D16_UNORM: return VK_FORMAT_D16_UNORM;
97  case DXGI_FORMAT_D32_FLOAT: return VK_FORMAT_D32_SFLOAT;
98  case DXGI_FORMAT_D24_UNORM_S8_UINT: return VK_FORMAT_D24_UNORM_S8_UINT;
99  case DXGI_FORMAT_D32_FLOAT_S8X24_UINT: return VK_FORMAT_D32_SFLOAT_S8_UINT;
100  default: return 0;
101  }
102 }
103 
104 #ifdef __cplusplus
105 }
106 #endif
d3d_vk_format_to_dxgi
static DXGI_FORMAT d3d_vk_format_to_dxgi(int64_t format)
Definition: d3d_dxgi_formats.h:23
xrt_vulkan_includes.h
Include all of the Vulkan headers in one place, and cope with any "messy" includes implied by it.
xrt_windows.h
A minimal way to include Windows.h.