1#include "util/format/u_format.h"
2#include "zink_format.h"
3
4static const VkFormat formats[PIPE_FORMAT_COUNT] = {
5#define MAP_FORMAT_NORM(FMT) \
6   [PIPE_FORMAT_ ## FMT ## _UNORM] = VK_FORMAT_ ## FMT ## _UNORM, \
7   [PIPE_FORMAT_ ## FMT ## _SNORM] = VK_FORMAT_ ## FMT ## _SNORM,
8
9#define MAP_FORMAT_SCALED(FMT) \
10   [PIPE_FORMAT_ ## FMT ## _USCALED] = VK_FORMAT_ ## FMT ## _USCALED, \
11   [PIPE_FORMAT_ ## FMT ## _SSCALED] = VK_FORMAT_ ## FMT ## _SSCALED,
12
13#define MAP_FORMAT_INT(FMT) \
14   [PIPE_FORMAT_ ## FMT ## _UINT] = VK_FORMAT_ ## FMT ## _UINT, \
15   [PIPE_FORMAT_ ## FMT ## _SINT] = VK_FORMAT_ ## FMT ## _SINT,
16
17#define MAP_FORMAT_SRGB(FMT) \
18   [PIPE_FORMAT_ ## FMT ## _SRGB] = VK_FORMAT_ ## FMT ## _SRGB,
19
20#define MAP_FORMAT_FLOAT(FMT) \
21   [PIPE_FORMAT_ ## FMT ## _FLOAT] = VK_FORMAT_ ## FMT ## _SFLOAT,
22
23   // one component
24
25   // 8-bits
26   MAP_FORMAT_NORM(R8)
27   MAP_FORMAT_SCALED(R8)
28   MAP_FORMAT_INT(R8)
29   MAP_FORMAT_SRGB(R8)
30   // 16-bits
31   MAP_FORMAT_NORM(R16)
32   MAP_FORMAT_SCALED(R16)
33   MAP_FORMAT_INT(R16)
34   MAP_FORMAT_FLOAT(R16)
35   // 32-bits
36   MAP_FORMAT_INT(R32)
37   MAP_FORMAT_FLOAT(R32)
38
39   // two components
40
41   // 8-bits
42   MAP_FORMAT_NORM(R8G8)
43   MAP_FORMAT_SCALED(R8G8)
44   MAP_FORMAT_INT(R8G8)
45   MAP_FORMAT_SRGB(R8G8)
46   // 16-bits
47   MAP_FORMAT_NORM(R16G16)
48   MAP_FORMAT_SCALED(R16G16)
49   MAP_FORMAT_INT(R16G16)
50   MAP_FORMAT_FLOAT(R16G16)
51   // 32-bits
52   MAP_FORMAT_INT(R32G32)
53   MAP_FORMAT_FLOAT(R32G32)
54
55   // three components
56
57   // 8-bits
58   MAP_FORMAT_NORM(R8G8B8)
59   MAP_FORMAT_SCALED(R8G8B8)
60   MAP_FORMAT_INT(R8G8B8)
61   MAP_FORMAT_SRGB(R8G8B8)
62   MAP_FORMAT_NORM(B8G8R8)
63   MAP_FORMAT_SCALED(B8G8R8)
64   MAP_FORMAT_INT(B8G8R8)
65   MAP_FORMAT_SRGB(B8G8R8)
66   // 16-bits
67   MAP_FORMAT_NORM(R16G16B16)
68   MAP_FORMAT_SCALED(R16G16B16)
69   MAP_FORMAT_INT(R16G16B16)
70   MAP_FORMAT_FLOAT(R16G16B16)
71   // 32-bits
72   MAP_FORMAT_INT(R32G32B32)
73   MAP_FORMAT_FLOAT(R32G32B32)
74
75   // four components
76
77   // 8-bits
78   MAP_FORMAT_NORM(R8G8B8A8)
79   MAP_FORMAT_SCALED(R8G8B8A8)
80   MAP_FORMAT_INT(R8G8B8A8)
81   MAP_FORMAT_NORM(B8G8R8A8)
82   MAP_FORMAT_SCALED(B8G8R8A8)
83   MAP_FORMAT_INT(B8G8R8A8)
84   MAP_FORMAT_SRGB(B8G8R8A8)
85   [PIPE_FORMAT_RGBA8888_SRGB] = VK_FORMAT_A8B8G8R8_SRGB_PACK32,
86   // 16-bits
87   MAP_FORMAT_NORM(R16G16B16A16)
88   MAP_FORMAT_SCALED(R16G16B16A16)
89   MAP_FORMAT_INT(R16G16B16A16)
90   MAP_FORMAT_FLOAT(R16G16B16A16)
91   // 32-bits
92   MAP_FORMAT_INT(R32G32B32A32)
93   MAP_FORMAT_FLOAT(R32G32B32A32)
94
95   // other color formats
96   [PIPE_FORMAT_A4B4G4R4_UNORM] = VK_FORMAT_R4G4B4A4_UNORM_PACK16,
97   [PIPE_FORMAT_A4R4G4B4_UNORM] = VK_FORMAT_B4G4R4A4_UNORM_PACK16,
98   [PIPE_FORMAT_B4G4R4A4_UNORM] = VK_FORMAT_A4R4G4B4_UNORM_PACK16,
99   [PIPE_FORMAT_R4G4B4A4_UNORM] = VK_FORMAT_A4B4G4R4_UNORM_PACK16,
100   [PIPE_FORMAT_B5G6R5_UNORM] = VK_FORMAT_R5G6B5_UNORM_PACK16,
101   [PIPE_FORMAT_R5G6B5_UNORM] = VK_FORMAT_B5G6R5_UNORM_PACK16,
102
103   [PIPE_FORMAT_A1B5G5R5_UNORM] = VK_FORMAT_R5G5B5A1_UNORM_PACK16,
104   [PIPE_FORMAT_A1R5G5B5_UNORM] = VK_FORMAT_B5G5R5A1_UNORM_PACK16,
105   [PIPE_FORMAT_B5G5R5A1_UNORM] = VK_FORMAT_A1R5G5B5_UNORM_PACK16,
106
107   [PIPE_FORMAT_R11G11B10_FLOAT] = VK_FORMAT_B10G11R11_UFLOAT_PACK32,
108   [PIPE_FORMAT_R9G9B9E5_FLOAT] = VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,
109   /* ARB_vertex_type_2_10_10_10 */
110   [PIPE_FORMAT_R10G10B10A2_UNORM] = VK_FORMAT_A2B10G10R10_UNORM_PACK32,
111   [PIPE_FORMAT_R10G10B10A2_SNORM] = VK_FORMAT_A2B10G10R10_SNORM_PACK32,
112   [PIPE_FORMAT_B10G10R10A2_UNORM] = VK_FORMAT_A2R10G10B10_UNORM_PACK32,
113   [PIPE_FORMAT_B10G10R10A2_SNORM] = VK_FORMAT_A2R10G10B10_SNORM_PACK32,
114   [PIPE_FORMAT_R10G10B10A2_USCALED] = VK_FORMAT_A2B10G10R10_USCALED_PACK32,
115   [PIPE_FORMAT_R10G10B10A2_SSCALED] = VK_FORMAT_A2B10G10R10_SSCALED_PACK32,
116   [PIPE_FORMAT_B10G10R10A2_USCALED] = VK_FORMAT_A2R10G10B10_USCALED_PACK32,
117   [PIPE_FORMAT_B10G10R10A2_SSCALED] = VK_FORMAT_A2R10G10B10_SSCALED_PACK32,
118   [PIPE_FORMAT_R10G10B10A2_UINT] = VK_FORMAT_A2B10G10R10_UINT_PACK32,
119   [PIPE_FORMAT_B10G10R10A2_UINT] = VK_FORMAT_A2R10G10B10_UINT_PACK32,
120   [PIPE_FORMAT_B10G10R10A2_SINT] = VK_FORMAT_A2R10G10B10_SINT_PACK32,
121
122   // depth/stencil formats
123   [PIPE_FORMAT_Z32_FLOAT] = VK_FORMAT_D32_SFLOAT,
124   [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT] = VK_FORMAT_D32_SFLOAT_S8_UINT,
125   [PIPE_FORMAT_Z16_UNORM] = VK_FORMAT_D16_UNORM,
126   [PIPE_FORMAT_Z16_UNORM_S8_UINT] = VK_FORMAT_D16_UNORM_S8_UINT,
127   [PIPE_FORMAT_Z24X8_UNORM] = VK_FORMAT_X8_D24_UNORM_PACK32,
128   [PIPE_FORMAT_Z24_UNORM_S8_UINT] = VK_FORMAT_D24_UNORM_S8_UINT,
129   [PIPE_FORMAT_S8_UINT] = VK_FORMAT_S8_UINT,
130
131   // compressed formats
132   [PIPE_FORMAT_DXT1_RGB] = VK_FORMAT_BC1_RGB_UNORM_BLOCK,
133   [PIPE_FORMAT_DXT1_RGBA] = VK_FORMAT_BC1_RGBA_UNORM_BLOCK,
134   [PIPE_FORMAT_DXT3_RGBA] = VK_FORMAT_BC2_UNORM_BLOCK,
135   [PIPE_FORMAT_DXT5_RGBA] = VK_FORMAT_BC3_UNORM_BLOCK,
136   [PIPE_FORMAT_DXT1_SRGB] = VK_FORMAT_BC1_RGB_SRGB_BLOCK,
137   [PIPE_FORMAT_DXT1_SRGBA] = VK_FORMAT_BC1_RGBA_SRGB_BLOCK,
138   [PIPE_FORMAT_DXT3_SRGBA] = VK_FORMAT_BC2_SRGB_BLOCK,
139   [PIPE_FORMAT_DXT5_SRGBA] = VK_FORMAT_BC3_SRGB_BLOCK,
140
141   [PIPE_FORMAT_RGTC1_UNORM] = VK_FORMAT_BC4_UNORM_BLOCK,
142   [PIPE_FORMAT_RGTC1_SNORM] = VK_FORMAT_BC4_SNORM_BLOCK,
143   [PIPE_FORMAT_RGTC2_UNORM] = VK_FORMAT_BC5_UNORM_BLOCK,
144   [PIPE_FORMAT_RGTC2_SNORM] = VK_FORMAT_BC5_SNORM_BLOCK,
145   [PIPE_FORMAT_BPTC_RGBA_UNORM] = VK_FORMAT_BC7_UNORM_BLOCK,
146   [PIPE_FORMAT_BPTC_SRGBA] = VK_FORMAT_BC7_SRGB_BLOCK,
147   [PIPE_FORMAT_BPTC_RGB_FLOAT] = VK_FORMAT_BC6H_SFLOAT_BLOCK,
148   [PIPE_FORMAT_BPTC_RGB_UFLOAT] = VK_FORMAT_BC6H_UFLOAT_BLOCK,
149};
150
151enum pipe_format
152zink_decompose_vertex_format(enum pipe_format format)
153{
154   const struct util_format_description *desc = util_format_description(format);
155   unsigned first_non_void = util_format_get_first_non_void_channel(format);
156   enum pipe_format new_format;
157   assert(first_non_void == 0);
158   if (!desc->is_array)
159      return PIPE_FORMAT_NONE;
160   if (desc->is_unorm) {
161      enum pipe_format unorm_formats[] = {
162         PIPE_FORMAT_R8_UNORM,
163         PIPE_FORMAT_R16_UNORM,
164         PIPE_FORMAT_R32_UNORM
165      };
166      return unorm_formats[desc->channel[first_non_void].size >> 4];
167   } else if (desc->is_snorm) {
168      enum pipe_format snorm_formats[] = {
169         PIPE_FORMAT_R8_SNORM,
170         PIPE_FORMAT_R16_SNORM,
171         PIPE_FORMAT_R32_SNORM
172      };
173      return snorm_formats[desc->channel[first_non_void].size >> 4];
174   } else {
175      enum pipe_format uint_formats[][3] = {
176         {PIPE_FORMAT_R8_USCALED, PIPE_FORMAT_R16_USCALED, PIPE_FORMAT_R32_USCALED},
177         {PIPE_FORMAT_R8_UINT, PIPE_FORMAT_R16_UINT, PIPE_FORMAT_R32_UINT},
178      };
179      enum pipe_format sint_formats[][3] = {
180         {PIPE_FORMAT_R8_SSCALED, PIPE_FORMAT_R16_SSCALED, PIPE_FORMAT_R32_SSCALED},
181         {PIPE_FORMAT_R8_SINT, PIPE_FORMAT_R16_SINT, PIPE_FORMAT_R32_SINT},
182      };
183      switch (desc->channel[first_non_void].type) {
184      case UTIL_FORMAT_TYPE_UNSIGNED:
185         return uint_formats[desc->channel[first_non_void].pure_integer][desc->channel[first_non_void].size >> 4];
186      case UTIL_FORMAT_TYPE_SIGNED:
187         return sint_formats[desc->channel[first_non_void].pure_integer][desc->channel[first_non_void].size >> 4];
188      case UTIL_FORMAT_TYPE_FLOAT:
189         return desc->channel[first_non_void].size == 16 ? PIPE_FORMAT_R16_FLOAT : PIPE_FORMAT_R32_FLOAT;
190         break;
191      default:
192         return PIPE_FORMAT_NONE;
193      }
194   }
195   return new_format;
196}
197
198VkFormat
199zink_pipe_format_to_vk_format(enum pipe_format format)
200{
201   return formats[format];
202}
203
204
205bool
206zink_format_is_voidable_rgba_variant(enum pipe_format format)
207{
208   const struct util_format_description *desc = util_format_description(format);
209   unsigned chan;
210
211   if(desc->block.width != 1 ||
212      desc->block.height != 1 ||
213      (desc->block.bits != 32 && desc->block.bits != 64))
214      return false;
215
216   if (desc->nr_channels != 4)
217      return false;
218
219   unsigned size = desc->channel[0].size;
220   for(chan = 0; chan < 4; ++chan) {
221      if(desc->channel[chan].size != size)
222         return false;
223   }
224
225   return true;
226}
227