1 /*
2 * Copyright © 2021 Raspberry Pi
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include "v3dv_private.h"
25 #include "broadcom/common/v3d_macros.h"
26 #include "broadcom/cle/v3dx_pack.h"
27
28 #include "util/format/u_format.h"
29
30 #define SWIZ(x,y,z,w) { \
31 PIPE_SWIZZLE_##x, \
32 PIPE_SWIZZLE_##y, \
33 PIPE_SWIZZLE_##z, \
34 PIPE_SWIZZLE_##w \
35 }
36
37 #define FORMAT(vk, rt, tex, swiz, return_size, supports_filtering) \
38 [VK_FORMAT_##vk] = { \
39 true, \
40 V3D_OUTPUT_IMAGE_FORMAT_##rt, \
41 TEXTURE_DATA_FORMAT_##tex, \
42 swiz, \
43 return_size, \
44 supports_filtering, \
45 }
46
47 #define SWIZ_X001 SWIZ(X, 0, 0, 1)
48 #define SWIZ_XY01 SWIZ(X, Y, 0, 1)
49 #define SWIZ_XYZ1 SWIZ(X, Y, Z, 1)
50 #define SWIZ_XYZW SWIZ(X, Y, Z, W)
51 #define SWIZ_YZWX SWIZ(Y, Z, W, X)
52 #define SWIZ_YZW1 SWIZ(Y, Z, W, 1)
53 #define SWIZ_ZYXW SWIZ(Z, Y, X, W)
54 #define SWIZ_ZYX1 SWIZ(Z, Y, X, 1)
55 #define SWIZ_XXXY SWIZ(X, X, X, Y)
56 #define SWIZ_XXX1 SWIZ(X, X, X, 1)
57 #define SWIZ_XXXX SWIZ(X, X, X, X)
58 #define SWIZ_000X SWIZ(0, 0, 0, X)
59 #define SWIZ_WXYZ SWIZ(W, X, Y, Z)
60
61 /* FIXME: expand format table to describe whether the format is supported
62 * for buffer surfaces (texel buffers, vertex buffers, etc).
63 */
64 static const struct v3dv_format format_table[] = {
65 /* Color, 4 channels */
66 FORMAT(B8G8R8A8_SRGB, SRGB8_ALPHA8, RGBA8, SWIZ_ZYXW, 16, true),
67 FORMAT(B8G8R8A8_UNORM, RGBA8, RGBA8, SWIZ_ZYXW, 16, true),
68
69 FORMAT(R8G8B8A8_SRGB, SRGB8_ALPHA8, RGBA8, SWIZ_XYZW, 16, true),
70 FORMAT(R8G8B8A8_UNORM, RGBA8, RGBA8, SWIZ_XYZW, 16, true),
71 FORMAT(R8G8B8A8_SNORM, NO, RGBA8_SNORM, SWIZ_XYZW, 16, true),
72 FORMAT(R8G8B8A8_SINT, RGBA8I, RGBA8I, SWIZ_XYZW, 16, false),
73 FORMAT(R8G8B8A8_UINT, RGBA8UI, RGBA8UI, SWIZ_XYZW, 16, false),
74
75 FORMAT(R16G16B16A16_SFLOAT, RGBA16F, RGBA16F, SWIZ_XYZW, 16, true),
76 FORMAT(R16G16B16A16_UNORM, NO, RGBA16, SWIZ_XYZW, 32, true),
77 FORMAT(R16G16B16A16_SNORM, NO, RGBA16_SNORM, SWIZ_XYZW, 32, true),
78 FORMAT(R16G16B16A16_SINT, RGBA16I, RGBA16I, SWIZ_XYZW, 16, false),
79 FORMAT(R16G16B16A16_UINT, RGBA16UI, RGBA16UI, SWIZ_XYZW, 16, false),
80
81 FORMAT(R32G32B32A32_SFLOAT, RGBA32F, RGBA32F, SWIZ_XYZW, 32, false),
82 FORMAT(R32G32B32A32_SINT, RGBA32I, RGBA32I, SWIZ_XYZW, 32, false),
83 FORMAT(R32G32B32A32_UINT, RGBA32UI, RGBA32UI, SWIZ_XYZW, 32, false),
84
85 /* Color, 3 channels */
86 FORMAT(R32G32B32_SFLOAT, NO, NO, SWIZ_XYZ1, 0, false),
87 FORMAT(R32G32B32_UINT, NO, NO, SWIZ_XYZ1, 0, false),
88 FORMAT(R32G32B32_SINT, NO, NO, SWIZ_XYZ1, 0, false),
89
90 /* Color, 2 channels */
91 FORMAT(R8G8_UNORM, RG8, RG8, SWIZ_XY01, 16, true),
92 FORMAT(R8G8_SNORM, NO, RG8_SNORM, SWIZ_XY01, 16, true),
93 FORMAT(R8G8_SINT, RG8I, RG8I, SWIZ_XY01, 16, false),
94 FORMAT(R8G8_UINT, RG8UI, RG8UI, SWIZ_XY01, 16, false),
95
96 FORMAT(R16G16_UNORM, NO, RG16, SWIZ_XY01, 32, true),
97 FORMAT(R16G16_SNORM, NO, RG16_SNORM, SWIZ_XY01, 32, true),
98 FORMAT(R16G16_SFLOAT, RG16F, RG16F, SWIZ_XY01, 16, true),
99 FORMAT(R16G16_SINT, RG16I, RG16I, SWIZ_XY01, 16, false),
100 FORMAT(R16G16_UINT, RG16UI, RG16UI, SWIZ_XY01, 16, false),
101
102 FORMAT(R32G32_SFLOAT, RG32F, RG32F, SWIZ_XY01, 32, false),
103 FORMAT(R32G32_SINT, RG32I, RG32I, SWIZ_XY01, 32, false),
104 FORMAT(R32G32_UINT, RG32UI, RG32UI, SWIZ_XY01, 32, false),
105
106 /* Color, 1 channel */
107 FORMAT(R8_UNORM, R8, R8, SWIZ_X001, 16, true),
108 FORMAT(R8_SNORM, NO, R8_SNORM, SWIZ_X001, 16, true),
109 FORMAT(R8_SINT, R8I, R8I, SWIZ_X001, 16, false),
110 FORMAT(R8_UINT, R8UI, R8UI, SWIZ_X001, 16, false),
111
112 FORMAT(R16_UNORM, NO, R16, SWIZ_X001, 32, true),
113 FORMAT(R16_SNORM, NO, R16_SNORM, SWIZ_X001, 32, true),
114 FORMAT(R16_SFLOAT, R16F, R16F, SWIZ_X001, 16, true),
115 FORMAT(R16_SINT, R16I, R16I, SWIZ_X001, 16, false),
116 FORMAT(R16_UINT, R16UI, R16UI, SWIZ_X001, 16, false),
117
118 FORMAT(R32_SFLOAT, R32F, R32F, SWIZ_X001, 32, false),
119 FORMAT(R32_SINT, R32I, R32I, SWIZ_X001, 32, false),
120 FORMAT(R32_UINT, R32UI, R32UI, SWIZ_X001, 32, false),
121
122 /* Color, packed */
123 FORMAT(R4G4B4A4_UNORM_PACK16, ABGR4444, RGBA4, SWIZ_XYZW, 16, true),
124 FORMAT(B4G4R4A4_UNORM_PACK16, ABGR4444, RGBA4, SWIZ_ZYXW, 16, true), /* Swap RB */
125 FORMAT(R5G6B5_UNORM_PACK16, BGR565, RGB565, SWIZ_XYZ1, 16, true),
126 FORMAT(R5G5B5A1_UNORM_PACK16, ABGR1555, RGB5_A1, SWIZ_XYZW, 16, true),
127 FORMAT(A1R5G5B5_UNORM_PACK16, RGBA5551, A1_RGB5, SWIZ_ZYXW, 16, true), /* Swap RB */
128 FORMAT(A8B8G8R8_UNORM_PACK32, RGBA8, RGBA8, SWIZ_XYZW, 16, true), /* RGBA8 UNORM */
129 FORMAT(A8B8G8R8_SNORM_PACK32, NO, RGBA8_SNORM, SWIZ_XYZW, 16, true), /* RGBA8 SNORM */
130 FORMAT(A8B8G8R8_UINT_PACK32, RGBA8UI, RGBA8UI, SWIZ_XYZW, 16, false), /* RGBA8 UINT */
131 FORMAT(A8B8G8R8_SINT_PACK32, RGBA8I, RGBA8I, SWIZ_XYZW, 16, false), /* RGBA8 SINT */
132 FORMAT(A8B8G8R8_SRGB_PACK32, SRGB8_ALPHA8, RGBA8, SWIZ_XYZW, 16, true), /* RGBA8 sRGB */
133 FORMAT(A2B10G10R10_UNORM_PACK32,RGB10_A2, RGB10_A2, SWIZ_XYZW, 16, true),
134 FORMAT(A2B10G10R10_UINT_PACK32, RGB10_A2UI, RGB10_A2UI, SWIZ_XYZW, 16, false),
135 FORMAT(E5B9G9R9_UFLOAT_PACK32, NO, RGB9_E5, SWIZ_XYZ1, 16, true),
136 FORMAT(B10G11R11_UFLOAT_PACK32, R11F_G11F_B10F,R11F_G11F_B10F, SWIZ_XYZ1, 16, true),
137
138 /* Depth */
139 FORMAT(D16_UNORM, D16, DEPTH_COMP16, SWIZ_X001, 32, false),
140 FORMAT(D32_SFLOAT, D32F, DEPTH_COMP32F, SWIZ_X001, 32, false),
141 FORMAT(X8_D24_UNORM_PACK32, D24S8, DEPTH24_X8, SWIZ_X001, 32, false),
142
143 /* Depth + Stencil */
144 FORMAT(D24_UNORM_S8_UINT, D24S8, DEPTH24_X8, SWIZ_X001, 32, false),
145
146 /* Compressed: ETC2 / EAC */
147 FORMAT(ETC2_R8G8B8_UNORM_BLOCK, NO, RGB8_ETC2, SWIZ_XYZ1, 16, true),
148 FORMAT(ETC2_R8G8B8_SRGB_BLOCK, NO, RGB8_ETC2, SWIZ_XYZ1, 16, true),
149 FORMAT(ETC2_R8G8B8A1_UNORM_BLOCK, NO, RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, true),
150 FORMAT(ETC2_R8G8B8A1_SRGB_BLOCK, NO, RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, true),
151 FORMAT(ETC2_R8G8B8A8_UNORM_BLOCK, NO, RGBA8_ETC2_EAC, SWIZ_XYZW, 16, true),
152 FORMAT(ETC2_R8G8B8A8_SRGB_BLOCK, NO, RGBA8_ETC2_EAC, SWIZ_XYZW, 16, true),
153 FORMAT(EAC_R11_UNORM_BLOCK, NO, R11_EAC, SWIZ_X001, 16, true),
154 FORMAT(EAC_R11_SNORM_BLOCK, NO, SIGNED_R11_EAC, SWIZ_X001, 16, true),
155 FORMAT(EAC_R11G11_UNORM_BLOCK, NO, RG11_EAC, SWIZ_XY01, 16, true),
156 FORMAT(EAC_R11G11_SNORM_BLOCK, NO, SIGNED_RG11_EAC, SWIZ_XY01, 16, true),
157
158 /* Compressed: BC1-3 */
159 FORMAT(BC1_RGB_UNORM_BLOCK, NO, BC1, SWIZ_XYZ1, 16, true),
160 FORMAT(BC1_RGB_SRGB_BLOCK, NO, BC1, SWIZ_XYZ1, 16, true),
161 FORMAT(BC1_RGBA_UNORM_BLOCK, NO, BC1, SWIZ_XYZW, 16, true),
162 FORMAT(BC1_RGBA_SRGB_BLOCK, NO, BC1, SWIZ_XYZW, 16, true),
163 FORMAT(BC2_UNORM_BLOCK, NO, BC2, SWIZ_XYZW, 16, true),
164 FORMAT(BC2_SRGB_BLOCK, NO, BC2, SWIZ_XYZW, 16, true),
165 FORMAT(BC3_UNORM_BLOCK, NO, BC3, SWIZ_XYZW, 16, true),
166 FORMAT(BC3_SRGB_BLOCK, NO, BC3, SWIZ_XYZW, 16, true),
167
168 /* Compressed: ASTC */
169 FORMAT(ASTC_4x4_UNORM_BLOCK, NO, ASTC_4X4, SWIZ_XYZW, 16, true),
170 FORMAT(ASTC_4x4_SRGB_BLOCK, NO, ASTC_4X4, SWIZ_XYZW, 16, true),
171 FORMAT(ASTC_5x4_UNORM_BLOCK, NO, ASTC_5X4, SWIZ_XYZW, 16, true),
172 FORMAT(ASTC_5x4_SRGB_BLOCK, NO, ASTC_5X4, SWIZ_XYZW, 16, true),
173 FORMAT(ASTC_5x5_UNORM_BLOCK, NO, ASTC_5X5, SWIZ_XYZW, 16, true),
174 FORMAT(ASTC_5x5_SRGB_BLOCK, NO, ASTC_5X5, SWIZ_XYZW, 16, true),
175 FORMAT(ASTC_6x5_UNORM_BLOCK, NO, ASTC_6X5, SWIZ_XYZW, 16, true),
176 FORMAT(ASTC_6x5_SRGB_BLOCK, NO, ASTC_6X5, SWIZ_XYZW, 16, true),
177 FORMAT(ASTC_6x6_UNORM_BLOCK, NO, ASTC_6X6, SWIZ_XYZW, 16, true),
178 FORMAT(ASTC_6x6_SRGB_BLOCK, NO, ASTC_6X6, SWIZ_XYZW, 16, true),
179 FORMAT(ASTC_8x5_UNORM_BLOCK, NO, ASTC_8X5, SWIZ_XYZW, 16, true),
180 FORMAT(ASTC_8x5_SRGB_BLOCK, NO, ASTC_8X5, SWIZ_XYZW, 16, true),
181 FORMAT(ASTC_8x6_UNORM_BLOCK, NO, ASTC_8X6, SWIZ_XYZW, 16, true),
182 FORMAT(ASTC_8x6_SRGB_BLOCK, NO, ASTC_8X6, SWIZ_XYZW, 16, true),
183 FORMAT(ASTC_8x8_UNORM_BLOCK, NO, ASTC_8X8, SWIZ_XYZW, 16, true),
184 FORMAT(ASTC_8x8_SRGB_BLOCK, NO, ASTC_8X8, SWIZ_XYZW, 16, true),
185 FORMAT(ASTC_10x5_UNORM_BLOCK, NO, ASTC_10X5, SWIZ_XYZW, 16, true),
186 FORMAT(ASTC_10x5_SRGB_BLOCK, NO, ASTC_10X5, SWIZ_XYZW, 16, true),
187 FORMAT(ASTC_10x6_UNORM_BLOCK, NO, ASTC_10X6, SWIZ_XYZW, 16, true),
188 FORMAT(ASTC_10x6_SRGB_BLOCK, NO, ASTC_10X6, SWIZ_XYZW, 16, true),
189 FORMAT(ASTC_10x8_UNORM_BLOCK, NO, ASTC_10X8, SWIZ_XYZW, 16, true),
190 FORMAT(ASTC_10x8_SRGB_BLOCK, NO, ASTC_10X8, SWIZ_XYZW, 16, true),
191 FORMAT(ASTC_10x10_UNORM_BLOCK, NO, ASTC_10X10, SWIZ_XYZW, 16, true),
192 FORMAT(ASTC_10x10_SRGB_BLOCK, NO, ASTC_10X10, SWIZ_XYZW, 16, true),
193 FORMAT(ASTC_12x10_UNORM_BLOCK, NO, ASTC_12X10, SWIZ_XYZW, 16, true),
194 FORMAT(ASTC_12x10_SRGB_BLOCK, NO, ASTC_12X10, SWIZ_XYZW, 16, true),
195 FORMAT(ASTC_12x12_UNORM_BLOCK, NO, ASTC_12X12, SWIZ_XYZW, 16, true),
196 FORMAT(ASTC_12x12_SRGB_BLOCK, NO, ASTC_12X12, SWIZ_XYZW, 16, true),
197 };
198
199 const struct v3dv_format *
v3dX(get_format)200 v3dX(get_format)(VkFormat format)
201 {
202 if (format < ARRAY_SIZE(format_table) && format_table[format].supported)
203 return &format_table[format];
204 else
205 return NULL;
206 }
207
208 void
v3dX(get_internal_type_bpp_for_output_format)209 v3dX(get_internal_type_bpp_for_output_format)(uint32_t format,
210 uint32_t *type,
211 uint32_t *bpp)
212 {
213 switch (format) {
214 case V3D_OUTPUT_IMAGE_FORMAT_RGBA8:
215 case V3D_OUTPUT_IMAGE_FORMAT_RGB8:
216 case V3D_OUTPUT_IMAGE_FORMAT_RG8:
217 case V3D_OUTPUT_IMAGE_FORMAT_R8:
218 case V3D_OUTPUT_IMAGE_FORMAT_ABGR4444:
219 case V3D_OUTPUT_IMAGE_FORMAT_BGR565:
220 case V3D_OUTPUT_IMAGE_FORMAT_ABGR1555:
221 *type = V3D_INTERNAL_TYPE_8;
222 *bpp = V3D_INTERNAL_BPP_32;
223 break;
224
225 case V3D_OUTPUT_IMAGE_FORMAT_RGBA8I:
226 case V3D_OUTPUT_IMAGE_FORMAT_RG8I:
227 case V3D_OUTPUT_IMAGE_FORMAT_R8I:
228 *type = V3D_INTERNAL_TYPE_8I;
229 *bpp = V3D_INTERNAL_BPP_32;
230 break;
231
232 case V3D_OUTPUT_IMAGE_FORMAT_RGBA8UI:
233 case V3D_OUTPUT_IMAGE_FORMAT_RG8UI:
234 case V3D_OUTPUT_IMAGE_FORMAT_R8UI:
235 *type = V3D_INTERNAL_TYPE_8UI;
236 *bpp = V3D_INTERNAL_BPP_32;
237 break;
238
239 case V3D_OUTPUT_IMAGE_FORMAT_SRGB8_ALPHA8:
240 case V3D_OUTPUT_IMAGE_FORMAT_SRGB:
241 case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2:
242 case V3D_OUTPUT_IMAGE_FORMAT_R11F_G11F_B10F:
243 case V3D_OUTPUT_IMAGE_FORMAT_RGBA16F:
244 /* Note that sRGB RTs are stored in the tile buffer at 16F,
245 * and the conversion to sRGB happens at tilebuffer load/store.
246 */
247 *type = V3D_INTERNAL_TYPE_16F;
248 *bpp = V3D_INTERNAL_BPP_64;
249 break;
250
251 case V3D_OUTPUT_IMAGE_FORMAT_RG16F:
252 case V3D_OUTPUT_IMAGE_FORMAT_R16F:
253 *type = V3D_INTERNAL_TYPE_16F;
254 /* Use 64bpp to make sure the TLB doesn't throw away the alpha
255 * channel before alpha test happens.
256 */
257 *bpp = V3D_INTERNAL_BPP_64;
258 break;
259
260 case V3D_OUTPUT_IMAGE_FORMAT_RGBA16I:
261 *type = V3D_INTERNAL_TYPE_16I;
262 *bpp = V3D_INTERNAL_BPP_64;
263 break;
264
265 case V3D_OUTPUT_IMAGE_FORMAT_RG16I:
266 case V3D_OUTPUT_IMAGE_FORMAT_R16I:
267 *type = V3D_INTERNAL_TYPE_16I;
268 *bpp = V3D_INTERNAL_BPP_32;
269 break;
270
271 case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2UI:
272 case V3D_OUTPUT_IMAGE_FORMAT_RGBA16UI:
273 *type = V3D_INTERNAL_TYPE_16UI;
274 *bpp = V3D_INTERNAL_BPP_64;
275 break;
276
277 case V3D_OUTPUT_IMAGE_FORMAT_RG16UI:
278 case V3D_OUTPUT_IMAGE_FORMAT_R16UI:
279 *type = V3D_INTERNAL_TYPE_16UI;
280 *bpp = V3D_INTERNAL_BPP_32;
281 break;
282
283 case V3D_OUTPUT_IMAGE_FORMAT_RGBA32I:
284 *type = V3D_INTERNAL_TYPE_32I;
285 *bpp = V3D_INTERNAL_BPP_128;
286 break;
287
288 case V3D_OUTPUT_IMAGE_FORMAT_RG32I:
289 *type = V3D_INTERNAL_TYPE_32I;
290 *bpp = V3D_INTERNAL_BPP_64;
291 break;
292
293 case V3D_OUTPUT_IMAGE_FORMAT_R32I:
294 *type = V3D_INTERNAL_TYPE_32I;
295 *bpp = V3D_INTERNAL_BPP_32;
296 break;
297
298 case V3D_OUTPUT_IMAGE_FORMAT_RGBA32UI:
299 *type = V3D_INTERNAL_TYPE_32UI;
300 *bpp = V3D_INTERNAL_BPP_128;
301 break;
302
303 case V3D_OUTPUT_IMAGE_FORMAT_RG32UI:
304 *type = V3D_INTERNAL_TYPE_32UI;
305 *bpp = V3D_INTERNAL_BPP_64;
306 break;
307
308 case V3D_OUTPUT_IMAGE_FORMAT_R32UI:
309 *type = V3D_INTERNAL_TYPE_32UI;
310 *bpp = V3D_INTERNAL_BPP_32;
311 break;
312
313 case V3D_OUTPUT_IMAGE_FORMAT_RGBA32F:
314 *type = V3D_INTERNAL_TYPE_32F;
315 *bpp = V3D_INTERNAL_BPP_128;
316 break;
317
318 case V3D_OUTPUT_IMAGE_FORMAT_RG32F:
319 *type = V3D_INTERNAL_TYPE_32F;
320 *bpp = V3D_INTERNAL_BPP_64;
321 break;
322
323 case V3D_OUTPUT_IMAGE_FORMAT_R32F:
324 *type = V3D_INTERNAL_TYPE_32F;
325 *bpp = V3D_INTERNAL_BPP_32;
326 break;
327
328 default:
329 /* Provide some default values, as we'll be called at RB
330 * creation time, even if an RB with this format isn't supported.
331 */
332 *type = V3D_INTERNAL_TYPE_8;
333 *bpp = V3D_INTERNAL_BPP_32;
334 break;
335 }
336 }
337
338 bool
v3dX(format_supports_tlb_resolve)339 v3dX(format_supports_tlb_resolve)(const struct v3dv_format *format)
340 {
341 uint32_t type, bpp;
342 v3dX(get_internal_type_bpp_for_output_format)(format->rt_type, &type, &bpp);
343 return type == V3D_INTERNAL_TYPE_8 || type == V3D_INTERNAL_TYPE_16F;
344 }
345
346 bool
v3dX(format_supports_blending)347 v3dX(format_supports_blending)(const struct v3dv_format *format)
348 {
349 /* Hardware blending is only supported on render targets that are configured
350 * 4x8-bit unorm, 2x16-bit float or 4x16-bit float.
351 */
352 uint32_t type, bpp;
353 v3dX(get_internal_type_bpp_for_output_format)(format->rt_type, &type, &bpp);
354 switch (type) {
355 case V3D_INTERNAL_TYPE_8:
356 return bpp == V3D_INTERNAL_BPP_32;
357 case V3D_INTERNAL_TYPE_16F:
358 return bpp == V3D_INTERNAL_BPP_32 || V3D_INTERNAL_BPP_64;
359 default:
360 return false;
361 }
362 }
363
364 bool
v3dX(tfu_supports_tex_format)365 v3dX(tfu_supports_tex_format)(uint32_t tex_format)
366 {
367 switch (tex_format) {
368 case TEXTURE_DATA_FORMAT_R8:
369 case TEXTURE_DATA_FORMAT_R8_SNORM:
370 case TEXTURE_DATA_FORMAT_RG8:
371 case TEXTURE_DATA_FORMAT_RG8_SNORM:
372 case TEXTURE_DATA_FORMAT_RGBA8:
373 case TEXTURE_DATA_FORMAT_RGBA8_SNORM:
374 case TEXTURE_DATA_FORMAT_RGB565:
375 case TEXTURE_DATA_FORMAT_RGBA4:
376 case TEXTURE_DATA_FORMAT_RGB5_A1:
377 case TEXTURE_DATA_FORMAT_RGB10_A2:
378 case TEXTURE_DATA_FORMAT_R16:
379 case TEXTURE_DATA_FORMAT_R16_SNORM:
380 case TEXTURE_DATA_FORMAT_RG16:
381 case TEXTURE_DATA_FORMAT_RG16_SNORM:
382 case TEXTURE_DATA_FORMAT_RGBA16:
383 case TEXTURE_DATA_FORMAT_RGBA16_SNORM:
384 case TEXTURE_DATA_FORMAT_R16F:
385 case TEXTURE_DATA_FORMAT_RG16F:
386 case TEXTURE_DATA_FORMAT_RGBA16F:
387 case TEXTURE_DATA_FORMAT_R11F_G11F_B10F:
388 case TEXTURE_DATA_FORMAT_R4:
389 case TEXTURE_DATA_FORMAT_RGB9_E5:
390 case TEXTURE_DATA_FORMAT_R32F:
391 case TEXTURE_DATA_FORMAT_RG32F:
392 case TEXTURE_DATA_FORMAT_RGBA32F:
393 case TEXTURE_DATA_FORMAT_RGB8_ETC2:
394 case TEXTURE_DATA_FORMAT_RGB8_PUNCHTHROUGH_ALPHA1:
395 case TEXTURE_DATA_FORMAT_RGBA8_ETC2_EAC:
396 case TEXTURE_DATA_FORMAT_R11_EAC:
397 case TEXTURE_DATA_FORMAT_SIGNED_R11_EAC:
398 case TEXTURE_DATA_FORMAT_RG11_EAC:
399 case TEXTURE_DATA_FORMAT_SIGNED_RG11_EAC:
400 return true;
401 default:
402 return false;
403 }
404 }
405
406 uint8_t
v3dX(get_internal_depth_type)407 v3dX(get_internal_depth_type)(VkFormat format)
408 {
409 switch (format) {
410 case VK_FORMAT_D16_UNORM:
411 return V3D_INTERNAL_TYPE_DEPTH_16;
412 case VK_FORMAT_D32_SFLOAT:
413 return V3D_INTERNAL_TYPE_DEPTH_32F;
414 case VK_FORMAT_X8_D24_UNORM_PACK32:
415 case VK_FORMAT_D24_UNORM_S8_UINT:
416 return V3D_INTERNAL_TYPE_DEPTH_24;
417 default:
418 unreachable("Invalid depth format");
419 break;
420 }
421 }
422
423 void
v3dX(get_internal_type_bpp_for_image_aspects)424 v3dX(get_internal_type_bpp_for_image_aspects)(VkFormat vk_format,
425 VkImageAspectFlags aspect_mask,
426 uint32_t *internal_type,
427 uint32_t *internal_bpp)
428 {
429 const VkImageAspectFlags ds_aspects = VK_IMAGE_ASPECT_DEPTH_BIT |
430 VK_IMAGE_ASPECT_STENCIL_BIT;
431
432 /* We can't store depth/stencil pixel formats to a raster format, so
433 * so instead we load our depth/stencil aspects to a compatible color
434 * format.
435 */
436 /* FIXME: pre-compute this at image creation time? */
437 if (aspect_mask & ds_aspects) {
438 switch (vk_format) {
439 case VK_FORMAT_D16_UNORM:
440 *internal_type = V3D_INTERNAL_TYPE_16UI;
441 *internal_bpp = V3D_INTERNAL_BPP_64;
442 break;
443 case VK_FORMAT_D32_SFLOAT:
444 *internal_type = V3D_INTERNAL_TYPE_32F;
445 *internal_bpp = V3D_INTERNAL_BPP_128;
446 break;
447 case VK_FORMAT_X8_D24_UNORM_PACK32:
448 case VK_FORMAT_D24_UNORM_S8_UINT:
449 /* Use RGBA8 format so we can relocate the X/S bits in the appropriate
450 * place to match Vulkan expectations. See the comment on the tile
451 * load command for more details.
452 */
453 *internal_type = V3D_INTERNAL_TYPE_8UI;
454 *internal_bpp = V3D_INTERNAL_BPP_32;
455 break;
456 default:
457 assert(!"unsupported format");
458 break;
459 }
460 } else {
461 const struct v3dv_format *format = v3dX(get_format)(vk_format);
462 v3dX(get_internal_type_bpp_for_output_format)(format->rt_type,
463 internal_type, internal_bpp);
464 }
465 }
466