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1 /*
2  * Copyright © 2019 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 "vk_util.h"
26 #include "vk_format_info.h"
27 
28 #include "broadcom/cle/v3dx_pack.h"
29 #include "drm-uapi/drm_fourcc.h"
30 #include "util/format/u_format.h"
31 #include "vulkan/wsi/wsi_common.h"
32 
33 #define SWIZ(x,y,z,w) {   \
34    PIPE_SWIZZLE_##x,      \
35    PIPE_SWIZZLE_##y,      \
36    PIPE_SWIZZLE_##z,      \
37    PIPE_SWIZZLE_##w       \
38 }
39 
40 #define FORMAT(vk, rt, tex, swiz, return_size, supports_filtering)  \
41    [VK_FORMAT_##vk] = {                                             \
42       true,                                                         \
43       V3D_OUTPUT_IMAGE_FORMAT_##rt,                                 \
44       TEXTURE_DATA_FORMAT_##tex,                                    \
45       swiz,                                                         \
46       return_size,                                                  \
47       supports_filtering,                                           \
48    }
49 
50 #define SWIZ_X001 SWIZ(X, 0, 0, 1)
51 #define SWIZ_XY01 SWIZ(X, Y, 0, 1)
52 #define SWIZ_XYZ1 SWIZ(X, Y, Z, 1)
53 #define SWIZ_XYZW SWIZ(X, Y, Z, W)
54 #define SWIZ_YZWX SWIZ(Y, Z, W, X)
55 #define SWIZ_YZW1 SWIZ(Y, Z, W, 1)
56 #define SWIZ_ZYXW SWIZ(Z, Y, X, W)
57 #define SWIZ_ZYX1 SWIZ(Z, Y, X, 1)
58 #define SWIZ_XXXY SWIZ(X, X, X, Y)
59 #define SWIZ_XXX1 SWIZ(X, X, X, 1)
60 #define SWIZ_XXXX SWIZ(X, X, X, X)
61 #define SWIZ_000X SWIZ(0, 0, 0, X)
62 #define SWIZ_WXYZ SWIZ(W, X, Y, Z)
63 
64 /* FIXME: expand format table to describe whether the format is supported
65  * for buffer surfaces (texel buffers, vertex buffers, etc).
66  */
67 static const struct v3dv_format format_table[] = {
68    /* Color, 4 channels */
69    FORMAT(B8G8R8A8_SRGB,           SRGB8_ALPHA8, RGBA8,         SWIZ_ZYXW, 16, true),
70    FORMAT(B8G8R8A8_UNORM,          RGBA8,        RGBA8,         SWIZ_ZYXW, 16, true),
71 
72    FORMAT(R8G8B8A8_SRGB,           SRGB8_ALPHA8, RGBA8,         SWIZ_XYZW, 16, true),
73    FORMAT(R8G8B8A8_UNORM,          RGBA8,        RGBA8,         SWIZ_XYZW, 16, true),
74    FORMAT(R8G8B8A8_SNORM,          NO,           RGBA8_SNORM,   SWIZ_XYZW, 16, true),
75    FORMAT(R8G8B8A8_SINT,           RGBA8I,       RGBA8I,        SWIZ_XYZW, 16, false),
76    FORMAT(R8G8B8A8_UINT,           RGBA8UI,      RGBA8UI,       SWIZ_XYZW, 16, false),
77 
78    FORMAT(R16G16B16A16_SFLOAT,     RGBA16F,      RGBA16F,       SWIZ_XYZW, 16, true),
79    FORMAT(R16G16B16A16_UNORM,      NO,           RGBA16,        SWIZ_XYZW, 32, true),
80    FORMAT(R16G16B16A16_SNORM,      NO,           RGBA16_SNORM,  SWIZ_XYZW, 32, true),
81    FORMAT(R16G16B16A16_SINT,       RGBA16I,      RGBA16I,       SWIZ_XYZW, 16, false),
82    FORMAT(R16G16B16A16_UINT,       RGBA16UI,     RGBA16UI,      SWIZ_XYZW, 16, false),
83 
84    FORMAT(R32G32B32A32_SFLOAT,     RGBA32F,      RGBA32F,       SWIZ_XYZW, 32, false),
85    FORMAT(R32G32B32A32_SINT,       RGBA32I,      RGBA32I,       SWIZ_XYZW, 32, false),
86    FORMAT(R32G32B32A32_UINT,       RGBA32UI,     RGBA32UI,      SWIZ_XYZW, 32, false),
87 
88    /* Color, 3 channels */
89    FORMAT(R32G32B32_SFLOAT,        NO,           NO,            SWIZ_XYZ1,  0, false),
90    FORMAT(R32G32B32_UINT,          NO,           NO,            SWIZ_XYZ1,  0, false),
91    FORMAT(R32G32B32_SINT,          NO,           NO,            SWIZ_XYZ1,  0, false),
92 
93    /* Color, 2 channels */
94    FORMAT(R8G8_UNORM,              RG8,          RG8,           SWIZ_XY01, 16, true),
95    FORMAT(R8G8_SNORM,              NO,           RG8_SNORM,     SWIZ_XY01, 16, true),
96    FORMAT(R8G8_SINT,               RG8I,         RG8I,          SWIZ_XY01, 16, false),
97    FORMAT(R8G8_UINT,               RG8UI,        RG8UI,         SWIZ_XY01, 16, false),
98 
99    FORMAT(R16G16_UNORM,            NO,           RG16,          SWIZ_XY01, 32, true),
100    FORMAT(R16G16_SNORM,            NO,           RG16_SNORM,    SWIZ_XY01, 32, true),
101    FORMAT(R16G16_SFLOAT,           RG16F,        RG16F,         SWIZ_XY01, 16, true),
102    FORMAT(R16G16_SINT,             RG16I,        RG16I,         SWIZ_XY01, 16, false),
103    FORMAT(R16G16_UINT,             RG16UI,       RG16UI,        SWIZ_XY01, 16, false),
104 
105    FORMAT(R32G32_SFLOAT,           RG32F,        RG32F,         SWIZ_XY01, 32, false),
106    FORMAT(R32G32_SINT,             RG32I,        RG32I,         SWIZ_XY01, 32, false),
107    FORMAT(R32G32_UINT,             RG32UI,       RG32UI,        SWIZ_XY01, 32, false),
108 
109    /* Color, 1 channel */
110    FORMAT(R8_UNORM,                R8,           R8,            SWIZ_X001, 16, true),
111    FORMAT(R8_SNORM,                NO,           R8_SNORM,      SWIZ_X001, 16, true),
112    FORMAT(R8_SINT,                 R8I,          R8I,           SWIZ_X001, 16, false),
113    FORMAT(R8_UINT,                 R8UI,         R8UI,          SWIZ_X001, 16, false),
114 
115    FORMAT(R16_UNORM,               NO,           R16,           SWIZ_X001, 32, true),
116    FORMAT(R16_SNORM,               NO,           R16_SNORM,     SWIZ_X001, 32, true),
117    FORMAT(R16_SFLOAT,              R16F,         R16F,          SWIZ_X001, 16, true),
118    FORMAT(R16_SINT,                R16I,         R16I,          SWIZ_X001, 16, false),
119    FORMAT(R16_UINT,                R16UI,        R16UI,         SWIZ_X001, 16, false),
120 
121    FORMAT(R32_SFLOAT,              R32F,         R32F,          SWIZ_X001, 32, false),
122    FORMAT(R32_SINT,                R32I,         R32I,          SWIZ_X001, 32, false),
123    FORMAT(R32_UINT,                R32UI,        R32UI,         SWIZ_X001, 32, false),
124 
125    /* Color, packed */
126    FORMAT(B4G4R4A4_UNORM_PACK16,   ABGR4444,     RGBA4,         SWIZ_ZYXW, 16, true), /* Swap RB */
127    FORMAT(R5G6B5_UNORM_PACK16,     BGR565,       RGB565,        SWIZ_XYZ1, 16, true),
128    FORMAT(R5G5B5A1_UNORM_PACK16,   ABGR1555,     RGB5_A1,       SWIZ_XYZW, 16, true),
129    FORMAT(A1R5G5B5_UNORM_PACK16,   RGBA5551,     A1_RGB5,       SWIZ_ZYXW, 16, true), /* Swap RB */
130    FORMAT(A8B8G8R8_UNORM_PACK32,   RGBA8,        RGBA8,         SWIZ_XYZW, 16, true), /* RGBA8 UNORM */
131    FORMAT(A8B8G8R8_SNORM_PACK32,   NO,           RGBA8_SNORM,   SWIZ_XYZW, 16, true), /* RGBA8 SNORM */
132    FORMAT(A8B8G8R8_UINT_PACK32,    RGBA8UI,      RGBA8UI,       SWIZ_XYZW, 16, true), /* RGBA8 UINT */
133    FORMAT(A8B8G8R8_SINT_PACK32,    RGBA8I,       RGBA8I,        SWIZ_XYZW, 16, true), /* RGBA8 SINT */
134    FORMAT(A8B8G8R8_SRGB_PACK32,    SRGB8_ALPHA8, RGBA8,         SWIZ_XYZW, 16, true), /* RGBA8 sRGB */
135    FORMAT(A2B10G10R10_UNORM_PACK32,RGB10_A2,     RGB10_A2,      SWIZ_XYZW, 16, true),
136    FORMAT(A2B10G10R10_UINT_PACK32, RGB10_A2UI,   RGB10_A2UI,    SWIZ_XYZW, 16, true),
137    FORMAT(E5B9G9R9_UFLOAT_PACK32,  NO,           RGB9_E5,       SWIZ_XYZ1, 16, true),
138    FORMAT(B10G11R11_UFLOAT_PACK32, R11F_G11F_B10F,R11F_G11F_B10F, SWIZ_XYZ1, 16, true),
139 
140    /* Depth */
141    FORMAT(D16_UNORM,               D16,          DEPTH_COMP16,  SWIZ_X001, 32, false),
142    FORMAT(D32_SFLOAT,              D32F,         DEPTH_COMP32F, SWIZ_X001, 32, false),
143    FORMAT(X8_D24_UNORM_PACK32,     D24S8,        DEPTH24_X8,    SWIZ_X001, 32, false),
144 
145    /* Depth + Stencil */
146    FORMAT(D24_UNORM_S8_UINT,       D24S8,        DEPTH24_X8,    SWIZ_X001, 32, false),
147 
148    /* Compressed: ETC2 / EAC */
149    FORMAT(ETC2_R8G8B8_UNORM_BLOCK,    NO,  RGB8_ETC2,                SWIZ_XYZ1, 16, true),
150    FORMAT(ETC2_R8G8B8_SRGB_BLOCK,     NO,  RGB8_ETC2,                SWIZ_XYZ1, 16, true),
151    FORMAT(ETC2_R8G8B8A1_UNORM_BLOCK,  NO,  RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, true),
152    FORMAT(ETC2_R8G8B8A1_SRGB_BLOCK,   NO,  RGB8_PUNCHTHROUGH_ALPHA1, SWIZ_XYZW, 16, true),
153    FORMAT(ETC2_R8G8B8A8_UNORM_BLOCK,  NO,  RGBA8_ETC2_EAC,           SWIZ_XYZW, 16, true),
154    FORMAT(ETC2_R8G8B8A8_SRGB_BLOCK,   NO,  RGBA8_ETC2_EAC,           SWIZ_XYZW, 16, true),
155    FORMAT(EAC_R11_UNORM_BLOCK,        NO,  R11_EAC,                  SWIZ_X001, 16, true),
156    FORMAT(EAC_R11_SNORM_BLOCK,        NO,  SIGNED_R11_EAC,           SWIZ_X001, 16, true),
157    FORMAT(EAC_R11G11_UNORM_BLOCK,     NO,  RG11_EAC,                 SWIZ_XY01, 16, true),
158    FORMAT(EAC_R11G11_SNORM_BLOCK,     NO,  SIGNED_RG11_EAC,          SWIZ_XY01, 16, true),
159 };
160 
161 const struct v3dv_format *
v3dv_get_format(VkFormat format)162 v3dv_get_format(VkFormat format)
163 {
164    if (format < ARRAY_SIZE(format_table) && format_table[format].supported)
165       return &format_table[format];
166    else
167       return NULL;
168 }
169 
170 void
v3dv_get_internal_type_bpp_for_output_format(uint32_t format,uint32_t * type,uint32_t * bpp)171 v3dv_get_internal_type_bpp_for_output_format(uint32_t format,
172                                              uint32_t *type,
173                                              uint32_t *bpp)
174 {
175    switch (format) {
176    case V3D_OUTPUT_IMAGE_FORMAT_RGBA8:
177    case V3D_OUTPUT_IMAGE_FORMAT_RGB8:
178    case V3D_OUTPUT_IMAGE_FORMAT_RG8:
179    case V3D_OUTPUT_IMAGE_FORMAT_R8:
180    case V3D_OUTPUT_IMAGE_FORMAT_ABGR4444:
181    case V3D_OUTPUT_IMAGE_FORMAT_BGR565:
182    case V3D_OUTPUT_IMAGE_FORMAT_ABGR1555:
183       *type = V3D_INTERNAL_TYPE_8;
184       *bpp = V3D_INTERNAL_BPP_32;
185       break;
186 
187    case V3D_OUTPUT_IMAGE_FORMAT_RGBA8I:
188    case V3D_OUTPUT_IMAGE_FORMAT_RG8I:
189    case V3D_OUTPUT_IMAGE_FORMAT_R8I:
190       *type = V3D_INTERNAL_TYPE_8I;
191       *bpp = V3D_INTERNAL_BPP_32;
192       break;
193 
194    case V3D_OUTPUT_IMAGE_FORMAT_RGBA8UI:
195    case V3D_OUTPUT_IMAGE_FORMAT_RG8UI:
196    case V3D_OUTPUT_IMAGE_FORMAT_R8UI:
197       *type = V3D_INTERNAL_TYPE_8UI;
198       *bpp = V3D_INTERNAL_BPP_32;
199       break;
200 
201    case V3D_OUTPUT_IMAGE_FORMAT_SRGB8_ALPHA8:
202    case V3D_OUTPUT_IMAGE_FORMAT_SRGB:
203    case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2:
204    case V3D_OUTPUT_IMAGE_FORMAT_R11F_G11F_B10F:
205    case V3D_OUTPUT_IMAGE_FORMAT_RGBA16F:
206       /* Note that sRGB RTs are stored in the tile buffer at 16F,
207        * and the conversion to sRGB happens at tilebuffer load/store.
208        */
209       *type = V3D_INTERNAL_TYPE_16F;
210       *bpp = V3D_INTERNAL_BPP_64;
211       break;
212 
213    case V3D_OUTPUT_IMAGE_FORMAT_RG16F:
214    case V3D_OUTPUT_IMAGE_FORMAT_R16F:
215       *type = V3D_INTERNAL_TYPE_16F;
216       /* Use 64bpp to make sure the TLB doesn't throw away the alpha
217        * channel before alpha test happens.
218        */
219       *bpp = V3D_INTERNAL_BPP_64;
220       break;
221 
222    case V3D_OUTPUT_IMAGE_FORMAT_RGBA16I:
223       *type = V3D_INTERNAL_TYPE_16I;
224       *bpp = V3D_INTERNAL_BPP_64;
225       break;
226 
227    case V3D_OUTPUT_IMAGE_FORMAT_RG16I:
228    case V3D_OUTPUT_IMAGE_FORMAT_R16I:
229       *type = V3D_INTERNAL_TYPE_16I;
230       *bpp = V3D_INTERNAL_BPP_32;
231       break;
232 
233    case V3D_OUTPUT_IMAGE_FORMAT_RGB10_A2UI:
234    case V3D_OUTPUT_IMAGE_FORMAT_RGBA16UI:
235       *type = V3D_INTERNAL_TYPE_16UI;
236       *bpp = V3D_INTERNAL_BPP_64;
237       break;
238 
239    case V3D_OUTPUT_IMAGE_FORMAT_RG16UI:
240    case V3D_OUTPUT_IMAGE_FORMAT_R16UI:
241       *type = V3D_INTERNAL_TYPE_16UI;
242       *bpp = V3D_INTERNAL_BPP_32;
243       break;
244 
245    case V3D_OUTPUT_IMAGE_FORMAT_RGBA32I:
246       *type = V3D_INTERNAL_TYPE_32I;
247       *bpp = V3D_INTERNAL_BPP_128;
248       break;
249 
250    case V3D_OUTPUT_IMAGE_FORMAT_RG32I:
251       *type = V3D_INTERNAL_TYPE_32I;
252       *bpp = V3D_INTERNAL_BPP_64;
253       break;
254 
255    case V3D_OUTPUT_IMAGE_FORMAT_R32I:
256       *type = V3D_INTERNAL_TYPE_32I;
257       *bpp = V3D_INTERNAL_BPP_32;
258       break;
259 
260    case V3D_OUTPUT_IMAGE_FORMAT_RGBA32UI:
261       *type = V3D_INTERNAL_TYPE_32UI;
262       *bpp = V3D_INTERNAL_BPP_128;
263       break;
264 
265    case V3D_OUTPUT_IMAGE_FORMAT_RG32UI:
266       *type = V3D_INTERNAL_TYPE_32UI;
267       *bpp = V3D_INTERNAL_BPP_64;
268       break;
269 
270    case V3D_OUTPUT_IMAGE_FORMAT_R32UI:
271       *type = V3D_INTERNAL_TYPE_32UI;
272       *bpp = V3D_INTERNAL_BPP_32;
273       break;
274 
275    case V3D_OUTPUT_IMAGE_FORMAT_RGBA32F:
276       *type = V3D_INTERNAL_TYPE_32F;
277       *bpp = V3D_INTERNAL_BPP_128;
278       break;
279 
280    case V3D_OUTPUT_IMAGE_FORMAT_RG32F:
281       *type = V3D_INTERNAL_TYPE_32F;
282       *bpp = V3D_INTERNAL_BPP_64;
283       break;
284 
285    case V3D_OUTPUT_IMAGE_FORMAT_R32F:
286       *type = V3D_INTERNAL_TYPE_32F;
287       *bpp = V3D_INTERNAL_BPP_32;
288       break;
289 
290    default:
291       /* Provide some default values, as we'll be called at RB
292        * creation time, even if an RB with this format isn't supported.
293        */
294       *type = V3D_INTERNAL_TYPE_8;
295       *bpp = V3D_INTERNAL_BPP_32;
296       break;
297    }
298 }
299 
300 bool
v3dv_format_supports_tlb_resolve(const struct v3dv_format * format)301 v3dv_format_supports_tlb_resolve(const struct v3dv_format *format)
302 {
303    uint32_t type, bpp;
304    v3dv_get_internal_type_bpp_for_output_format(format->rt_type, &type, &bpp);
305    return type == V3D_INTERNAL_TYPE_8 || type == V3D_INTERNAL_TYPE_16F;
306 }
307 
308 const uint8_t *
v3dv_get_format_swizzle(VkFormat f)309 v3dv_get_format_swizzle(VkFormat f)
310 {
311    const struct v3dv_format *vf = v3dv_get_format(f);
312    static const uint8_t fallback[] = {0, 1, 2, 3};
313 
314    if (!vf)
315       return fallback;
316 
317    return vf->swizzle;
318 }
319 
320 uint8_t
v3dv_get_tex_return_size(const struct v3dv_format * vf,bool compare_enable)321 v3dv_get_tex_return_size(const struct v3dv_format *vf,
322                          bool compare_enable)
323 {
324    if (compare_enable)
325       return 16;
326 
327    return vf->return_size;
328 }
329 
330 bool
v3dv_tfu_supports_tex_format(const struct v3d_device_info * devinfo,uint32_t tex_format)331 v3dv_tfu_supports_tex_format(const struct v3d_device_info *devinfo,
332                              uint32_t tex_format)
333 {
334    assert(devinfo->ver >= 41);
335 
336    switch (tex_format) {
337    case TEXTURE_DATA_FORMAT_R8:
338    case TEXTURE_DATA_FORMAT_R8_SNORM:
339    case TEXTURE_DATA_FORMAT_RG8:
340    case TEXTURE_DATA_FORMAT_RG8_SNORM:
341    case TEXTURE_DATA_FORMAT_RGBA8:
342    case TEXTURE_DATA_FORMAT_RGBA8_SNORM:
343    case TEXTURE_DATA_FORMAT_RGB565:
344    case TEXTURE_DATA_FORMAT_RGBA4:
345    case TEXTURE_DATA_FORMAT_RGB5_A1:
346    case TEXTURE_DATA_FORMAT_RGB10_A2:
347    case TEXTURE_DATA_FORMAT_R16:
348    case TEXTURE_DATA_FORMAT_R16_SNORM:
349    case TEXTURE_DATA_FORMAT_RG16:
350    case TEXTURE_DATA_FORMAT_RG16_SNORM:
351    case TEXTURE_DATA_FORMAT_RGBA16:
352    case TEXTURE_DATA_FORMAT_RGBA16_SNORM:
353    case TEXTURE_DATA_FORMAT_R16F:
354    case TEXTURE_DATA_FORMAT_RG16F:
355    case TEXTURE_DATA_FORMAT_RGBA16F:
356    case TEXTURE_DATA_FORMAT_R11F_G11F_B10F:
357    case TEXTURE_DATA_FORMAT_R4:
358       return true;
359    default:
360       return false;
361    }
362 }
363 
364 
365 static bool
format_supports_blending(const struct v3dv_format * format)366 format_supports_blending(const struct v3dv_format *format)
367 {
368    /* Hardware blending is only supported on render targets that are configured
369     * 4x8-bit unorm, 2x16-bit float or 4x16-bit float.
370     */
371    uint32_t type, bpp;
372    v3dv_get_internal_type_bpp_for_output_format(format->rt_type, &type, &bpp);
373    switch (type) {
374    case V3D_INTERNAL_TYPE_8:
375       return bpp == V3D_INTERNAL_BPP_32;
376    case V3D_INTERNAL_TYPE_16F:
377       return bpp == V3D_INTERNAL_BPP_32 || V3D_INTERNAL_BPP_64;
378    default:
379       return false;
380    }
381 }
382 
383 static VkFormatFeatureFlags
image_format_features(VkFormat vk_format,const struct v3dv_format * v3dv_format,VkImageTiling tiling)384 image_format_features(VkFormat vk_format,
385                       const struct v3dv_format *v3dv_format,
386                       VkImageTiling tiling)
387 {
388    if (!v3dv_format || !v3dv_format->supported)
389       return 0;
390 
391    const VkImageAspectFlags aspects = vk_format_aspects(vk_format);
392 
393    const VkImageAspectFlags zs_aspects = VK_IMAGE_ASPECT_DEPTH_BIT |
394                                          VK_IMAGE_ASPECT_STENCIL_BIT;
395    const VkImageAspectFlags supported_aspects = VK_IMAGE_ASPECT_COLOR_BIT |
396                                                 zs_aspects;
397    if ((aspects & supported_aspects) != aspects)
398       return 0;
399 
400    /* FIXME: We don't support separate stencil yet */
401    if ((aspects & zs_aspects) == VK_IMAGE_ASPECT_STENCIL_BIT)
402       return 0;
403 
404    if (v3dv_format->tex_type == TEXTURE_DATA_FORMAT_NO &&
405        v3dv_format->rt_type == V3D_OUTPUT_IMAGE_FORMAT_NO) {
406       return 0;
407    }
408 
409    VkFormatFeatureFlags flags = 0;
410 
411    /* Raster format is only supported for 1D textures, so let's just
412     * always require optimal tiling for anything that requires sampling.
413     * Note: even if the user requests optimal for a 1D image, we will still
414     * use raster format since that is what the HW requires.
415     */
416    if (v3dv_format->tex_type != TEXTURE_DATA_FORMAT_NO &&
417        tiling == VK_IMAGE_TILING_OPTIMAL) {
418       flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT |
419                VK_FORMAT_FEATURE_BLIT_SRC_BIT;
420 
421       if (v3dv_format->supports_filtering)
422          flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
423    }
424 
425    if (v3dv_format->rt_type != V3D_OUTPUT_IMAGE_FORMAT_NO) {
426       if (aspects & VK_IMAGE_ASPECT_COLOR_BIT) {
427          flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
428                   VK_FORMAT_FEATURE_BLIT_DST_BIT;
429          if (format_supports_blending(v3dv_format))
430             flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
431       } else if (aspects & zs_aspects) {
432          flags |= VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT |
433                   VK_FORMAT_FEATURE_BLIT_DST_BIT;
434       }
435    }
436 
437    const struct util_format_description *desc =
438       vk_format_description(vk_format);
439    assert(desc);
440 
441    if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN && desc->is_array) {
442       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
443       if (desc->nr_channels == 1 && vk_format_is_int(vk_format))
444          flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT;
445    } else if (vk_format == VK_FORMAT_A2B10G10R10_UNORM_PACK32 ||
446               vk_format == VK_FORMAT_A2B10G10R10_UINT_PACK32 ||
447               vk_format == VK_FORMAT_B10G11R11_UFLOAT_PACK32) {
448       /* To comply with shaderStorageImageExtendedFormats */
449       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
450    }
451 
452    if (flags) {
453       flags |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT |
454                VK_FORMAT_FEATURE_TRANSFER_DST_BIT;
455    }
456 
457    return flags;
458 }
459 
460 static VkFormatFeatureFlags
buffer_format_features(VkFormat vk_format,const struct v3dv_format * v3dv_format)461 buffer_format_features(VkFormat vk_format, const struct v3dv_format *v3dv_format)
462 {
463    if (!v3dv_format || !v3dv_format->supported)
464       return 0;
465 
466    if (!v3dv_format->supported)
467       return 0;
468 
469    /* We probably only want to support buffer formats that have a
470     * color format specification.
471     */
472    if (!vk_format_is_color(vk_format))
473       return 0;
474 
475    const struct util_format_description *desc =
476       vk_format_description(vk_format);
477    assert(desc);
478 
479    VkFormatFeatureFlags flags = 0;
480    if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN &&
481        desc->colorspace == UTIL_FORMAT_COLORSPACE_RGB &&
482        desc->is_array) {
483       flags |=  VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT;
484       if (v3dv_format->tex_type != TEXTURE_DATA_FORMAT_NO) {
485          flags |= VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT |
486                   VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
487       }
488    } else if (vk_format == VK_FORMAT_A2B10G10R10_UNORM_PACK32) {
489       flags |= VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT |
490                VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT |
491                VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
492    } else if (vk_format == VK_FORMAT_A2B10G10R10_UINT_PACK32 ||
493               vk_format == VK_FORMAT_B10G11R11_UFLOAT_PACK32) {
494       flags |= VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT |
495                VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
496    }
497 
498    if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN &&
499        desc->is_array &&
500        desc->nr_channels == 1 &&
501        vk_format_is_int(vk_format)) {
502       flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT;
503    }
504 
505    return flags;
506 }
507 
508 void
v3dv_GetPhysicalDeviceFormatProperties(VkPhysicalDevice physicalDevice,VkFormat format,VkFormatProperties * pFormatProperties)509 v3dv_GetPhysicalDeviceFormatProperties(VkPhysicalDevice physicalDevice,
510                                        VkFormat format,
511                                        VkFormatProperties* pFormatProperties)
512 {
513    const struct v3dv_format *v3dv_format = v3dv_get_format(format);
514 
515    *pFormatProperties = (VkFormatProperties) {
516       .linearTilingFeatures =
517          image_format_features(format, v3dv_format, VK_IMAGE_TILING_LINEAR),
518       .optimalTilingFeatures =
519          image_format_features(format, v3dv_format, VK_IMAGE_TILING_OPTIMAL),
520       .bufferFeatures =
521          buffer_format_features(format, v3dv_format),
522    };
523 }
524 
525 void
v3dv_GetPhysicalDeviceFormatProperties2(VkPhysicalDevice physicalDevice,VkFormat format,VkFormatProperties2 * pFormatProperties)526 v3dv_GetPhysicalDeviceFormatProperties2(VkPhysicalDevice physicalDevice,
527                                         VkFormat format,
528                                         VkFormatProperties2 *pFormatProperties)
529 {
530    v3dv_GetPhysicalDeviceFormatProperties(physicalDevice, format,
531                                           &pFormatProperties->formatProperties);
532 
533    vk_foreach_struct(ext, pFormatProperties->pNext) {
534       switch ((unsigned)ext->sType) {
535       case VK_STRUCTURE_TYPE_DRM_FORMAT_MODIFIER_PROPERTIES_LIST_EXT: {
536          struct VkDrmFormatModifierPropertiesListEXT *list = (void *)ext;
537          VK_OUTARRAY_MAKE(out, list->pDrmFormatModifierProperties,
538                           &list->drmFormatModifierCount);
539          if (pFormatProperties->formatProperties.linearTilingFeatures) {
540             vk_outarray_append(&out, mod_props) {
541                mod_props->drmFormatModifier = DRM_FORMAT_MOD_LINEAR;
542                mod_props->drmFormatModifierPlaneCount = 1;
543             }
544          }
545          if (pFormatProperties->formatProperties.optimalTilingFeatures) {
546             vk_outarray_append(&out, mod_props) {
547                mod_props->drmFormatModifier = DRM_FORMAT_MOD_BROADCOM_UIF;
548                mod_props->drmFormatModifierPlaneCount = 1;
549             }
550          }
551          break;
552       }
553       default:
554          v3dv_debug_ignored_stype(ext->sType);
555          break;
556       }
557    }
558 }
559 
560 static VkResult
get_image_format_properties(struct v3dv_physical_device * physical_device,const VkPhysicalDeviceImageFormatInfo2 * info,VkImageTiling tiling,VkImageFormatProperties * pImageFormatProperties,VkSamplerYcbcrConversionImageFormatProperties * pYcbcrImageFormatProperties)561 get_image_format_properties(
562    struct v3dv_physical_device *physical_device,
563    const VkPhysicalDeviceImageFormatInfo2 *info,
564    VkImageTiling tiling,
565    VkImageFormatProperties *pImageFormatProperties,
566    VkSamplerYcbcrConversionImageFormatProperties *pYcbcrImageFormatProperties)
567 {
568    const struct v3dv_format *v3dv_format = v3dv_get_format(info->format);
569    VkFormatFeatureFlags format_feature_flags =
570       image_format_features(info->format, v3dv_format, tiling);
571    if (!format_feature_flags)
572       goto unsupported;
573 
574    if (info->usage & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
575       if (!(format_feature_flags & VK_FORMAT_FEATURE_TRANSFER_SRC_BIT)) {
576          goto unsupported;
577       }
578 
579       /* Sampling of raster depth/stencil images is not supported. Since 1D
580        * images are always raster, even if the user requested optimal tiling,
581        * we can't have them be used as transfer sources, since that includes
582        * using them for blit sources, which might require sampling.
583        */
584       if (info->type == VK_IMAGE_TYPE_1D &&
585           vk_format_is_depth_or_stencil(info->format)) {
586          goto unsupported;
587       }
588    }
589 
590    if (info->usage & VK_IMAGE_USAGE_TRANSFER_DST_BIT) {
591       if (!(format_feature_flags & VK_FORMAT_FEATURE_TRANSFER_DST_BIT)) {
592          goto unsupported;
593       }
594    }
595 
596    if (info->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
597       if (!(format_feature_flags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)) {
598          goto unsupported;
599       }
600 
601       /* Sampling of raster depth/stencil images is not supported. Since 1D
602        * images are always raster, even if the user requested optimal tiling,
603        * we can't allow sampling if the format is depth/stencil.
604        */
605       if (info->type == VK_IMAGE_TYPE_1D &&
606           vk_format_is_depth_or_stencil(info->format)) {
607          goto unsupported;
608       }
609    }
610 
611    if (info->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
612       if (!(format_feature_flags & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)) {
613          goto unsupported;
614       }
615    }
616 
617    if (info->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
618       if (!(format_feature_flags & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
619          goto unsupported;
620       }
621    }
622 
623    if (info->usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
624       if (!(format_feature_flags &
625             VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
626          goto unsupported;
627       }
628    }
629 
630    /* FIXME: these are taken from VkPhysicalDeviceLimits, we should just put
631     * these limits available in the physical device and read them from there
632     * wherever we need them.
633     */
634    switch (info->type) {
635    case VK_IMAGE_TYPE_1D:
636       pImageFormatProperties->maxExtent.width = 4096;
637       pImageFormatProperties->maxExtent.height = 1;
638       pImageFormatProperties->maxExtent.depth = 1;
639       pImageFormatProperties->maxArrayLayers = 2048;
640       pImageFormatProperties->maxMipLevels = 13; /* log2(maxWidth) + 1 */
641       break;
642    case VK_IMAGE_TYPE_2D:
643       pImageFormatProperties->maxExtent.width = 4096;
644       pImageFormatProperties->maxExtent.height = 4096;
645       pImageFormatProperties->maxExtent.depth = 1;
646       pImageFormatProperties->maxArrayLayers = 2048;
647       pImageFormatProperties->maxMipLevels = 13; /* log2(maxWidth) + 1 */
648       break;
649    case VK_IMAGE_TYPE_3D:
650       pImageFormatProperties->maxExtent.width = 4096;
651       pImageFormatProperties->maxExtent.height = 4096;
652       pImageFormatProperties->maxExtent.depth = 4096;
653       pImageFormatProperties->maxArrayLayers = 1;
654       pImageFormatProperties->maxMipLevels = 13; /* log2(maxWidth) + 1 */
655       break;
656    default:
657       unreachable("bad VkImageType");
658    }
659 
660    /* Our hw doesn't support 1D compressed textures. */
661    if (info->type == VK_IMAGE_TYPE_1D &&
662        vk_format_is_compressed(info->format)) {
663        goto unsupported;
664    }
665 
666    /* From the Vulkan 1.0 spec, section 34.1.1. Supported Sample Counts:
667     *
668     * sampleCounts will be set to VK_SAMPLE_COUNT_1_BIT if at least one of the
669     * following conditions is true:
670     *
671     *   - tiling is VK_IMAGE_TILING_LINEAR
672     *   - type is not VK_IMAGE_TYPE_2D
673     *   - flags contains VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT
674     *   - neither the VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT flag nor the
675     *     VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT flag in
676     *     VkFormatProperties::optimalTilingFeatures returned by
677     *     vkGetPhysicalDeviceFormatProperties is set.
678     */
679    pImageFormatProperties->sampleCounts = VK_SAMPLE_COUNT_1_BIT;
680    if (tiling != VK_IMAGE_TILING_LINEAR &&
681        info->type == VK_IMAGE_TYPE_2D &&
682        !(info->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
683        (format_feature_flags & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT ||
684         format_feature_flags & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
685       pImageFormatProperties->sampleCounts |= VK_SAMPLE_COUNT_4_BIT;
686    }
687 
688    if (tiling == VK_IMAGE_TILING_LINEAR)
689       pImageFormatProperties->maxMipLevels = 1;
690 
691    pImageFormatProperties->maxResourceSize = 0xffffffff; /* 32-bit allocation */
692 
693    return VK_SUCCESS;
694 
695 unsupported:
696    *pImageFormatProperties = (VkImageFormatProperties) {
697       .maxExtent = { 0, 0, 0 },
698       .maxMipLevels = 0,
699       .maxArrayLayers = 0,
700       .sampleCounts = 0,
701       .maxResourceSize = 0,
702    };
703 
704    return VK_ERROR_FORMAT_NOT_SUPPORTED;
705 }
706 
707 static const VkExternalMemoryProperties prime_fd_props = {
708    .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT |
709                              VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT,
710    .exportFromImportedHandleTypes =
711       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT |
712       VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
713    .compatibleHandleTypes =
714       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT |
715       VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT,
716 };
717 
718 VkResult
v3dv_GetPhysicalDeviceImageFormatProperties(VkPhysicalDevice physicalDevice,VkFormat format,VkImageType type,VkImageTiling tiling,VkImageUsageFlags usage,VkImageCreateFlags createFlags,VkImageFormatProperties * pImageFormatProperties)719 v3dv_GetPhysicalDeviceImageFormatProperties(
720    VkPhysicalDevice physicalDevice,
721    VkFormat format,
722    VkImageType type,
723    VkImageTiling tiling,
724    VkImageUsageFlags usage,
725    VkImageCreateFlags createFlags,
726    VkImageFormatProperties *pImageFormatProperties)
727 {
728    V3DV_FROM_HANDLE(v3dv_physical_device, physical_device, physicalDevice);
729 
730    const VkPhysicalDeviceImageFormatInfo2 info = {
731       .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2,
732       .pNext = NULL,
733       .format = format,
734       .type = type,
735       .tiling = tiling,
736       .usage = usage,
737       .flags = createFlags,
738    };
739 
740    return get_image_format_properties(physical_device, &info, tiling,
741                                       pImageFormatProperties, NULL);
742 }
743 
744 VkResult
v3dv_GetPhysicalDeviceImageFormatProperties2(VkPhysicalDevice physicalDevice,const VkPhysicalDeviceImageFormatInfo2 * base_info,VkImageFormatProperties2 * base_props)745 v3dv_GetPhysicalDeviceImageFormatProperties2(VkPhysicalDevice physicalDevice,
746                                              const VkPhysicalDeviceImageFormatInfo2 *base_info,
747                                              VkImageFormatProperties2 *base_props)
748 {
749    V3DV_FROM_HANDLE(v3dv_physical_device, physical_device, physicalDevice);
750    const VkPhysicalDeviceExternalImageFormatInfo *external_info = NULL;
751    const VkPhysicalDeviceImageDrmFormatModifierInfoEXT *drm_format_mod_info = NULL;
752    VkExternalImageFormatProperties *external_props = NULL;
753    VkImageTiling tiling = base_info->tiling;
754 
755    /* Extract input structs */
756    vk_foreach_struct_const(s, base_info->pNext) {
757       switch (s->sType) {
758       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO:
759          external_info = (const void *) s;
760          break;
761       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_DRM_FORMAT_MODIFIER_INFO_EXT:
762          drm_format_mod_info = (const void *) s;
763          switch (drm_format_mod_info->drmFormatModifier) {
764          case DRM_FORMAT_MOD_LINEAR:
765             tiling = VK_IMAGE_TILING_LINEAR;
766             break;
767          case DRM_FORMAT_MOD_BROADCOM_UIF:
768             tiling = VK_IMAGE_TILING_OPTIMAL;
769             break;
770          default:
771             assert("Unknown DRM format modifier");
772          }
773          break;
774       default:
775          v3dv_debug_ignored_stype(s->sType);
776          break;
777       }
778    }
779 
780    assert(tiling == VK_IMAGE_TILING_OPTIMAL ||
781           tiling == VK_IMAGE_TILING_LINEAR);
782 
783    /* Extract output structs */
784    vk_foreach_struct(s, base_props->pNext) {
785       switch (s->sType) {
786       case VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES:
787          external_props = (void *) s;
788          break;
789       default:
790          v3dv_debug_ignored_stype(s->sType);
791          break;
792       }
793    }
794 
795    VkResult result =
796       get_image_format_properties(physical_device, base_info, tiling,
797                                   &base_props->imageFormatProperties, NULL);
798    if (result != VK_SUCCESS)
799       goto done;
800 
801    if (external_info && external_info->handleType != 0) {
802       switch (external_info->handleType) {
803       case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT:
804       case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT:
805          if (external_props)
806             external_props->externalMemoryProperties = prime_fd_props;
807          break;
808       default:
809          result = VK_ERROR_FORMAT_NOT_SUPPORTED;
810          break;
811       }
812    }
813 
814 done:
815    return result;
816 }
817 
818 void
v3dv_GetPhysicalDeviceSparseImageFormatProperties(VkPhysicalDevice physicalDevice,VkFormat format,VkImageType type,VkSampleCountFlagBits samples,VkImageUsageFlags usage,VkImageTiling tiling,uint32_t * pPropertyCount,VkSparseImageFormatProperties * pProperties)819 v3dv_GetPhysicalDeviceSparseImageFormatProperties(
820    VkPhysicalDevice physicalDevice,
821    VkFormat format,
822    VkImageType type,
823    VkSampleCountFlagBits samples,
824    VkImageUsageFlags usage,
825    VkImageTiling tiling,
826    uint32_t *pPropertyCount,
827    VkSparseImageFormatProperties *pProperties)
828 {
829    *pPropertyCount = 0;
830 }
831 
832 void
v3dv_GetPhysicalDeviceSparseImageFormatProperties2(VkPhysicalDevice physicalDevice,const VkPhysicalDeviceSparseImageFormatInfo2 * pFormatInfo,uint32_t * pPropertyCount,VkSparseImageFormatProperties2 * pProperties)833 v3dv_GetPhysicalDeviceSparseImageFormatProperties2(
834    VkPhysicalDevice physicalDevice,
835    const VkPhysicalDeviceSparseImageFormatInfo2 *pFormatInfo,
836    uint32_t *pPropertyCount,
837    VkSparseImageFormatProperties2 *pProperties)
838 {
839    *pPropertyCount = 0;
840 }
841 
842 void
v3dv_GetPhysicalDeviceExternalBufferProperties(VkPhysicalDevice physicalDevice,const VkPhysicalDeviceExternalBufferInfo * pExternalBufferInfo,VkExternalBufferProperties * pExternalBufferProperties)843 v3dv_GetPhysicalDeviceExternalBufferProperties(
844    VkPhysicalDevice physicalDevice,
845    const VkPhysicalDeviceExternalBufferInfo *pExternalBufferInfo,
846    VkExternalBufferProperties *pExternalBufferProperties)
847 {
848    switch (pExternalBufferInfo->handleType) {
849    case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT:
850    case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT:
851       pExternalBufferProperties->externalMemoryProperties = prime_fd_props;
852       return;
853    default: /* Unsupported */
854       pExternalBufferProperties->externalMemoryProperties =
855          (VkExternalMemoryProperties) {
856             .compatibleHandleTypes = pExternalBufferInfo->handleType,
857          };
858       break;
859    }
860 }
861