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
26 #include "drm-uapi/drm_fourcc.h"
27 #include "util/format/u_format.h"
28 #include "util/u_math.h"
29 #include "vk_format_info.h"
30 #include "vk_util.h"
31 #include "vulkan/wsi/wsi_common.h"
32
33 /**
34 * Computes the HW's UIFblock padding for a given height/cpp.
35 *
36 * The goal of the padding is to keep pages of the same color (bank number) at
37 * least half a page away from each other vertically when crossing between
38 * columns of UIF blocks.
39 */
40 static uint32_t
v3d_get_ub_pad(uint32_t cpp,uint32_t height)41 v3d_get_ub_pad(uint32_t cpp, uint32_t height)
42 {
43 uint32_t utile_h = v3d_utile_height(cpp);
44 uint32_t uif_block_h = utile_h * 2;
45 uint32_t height_ub = height / uif_block_h;
46
47 uint32_t height_offset_in_pc = height_ub % PAGE_CACHE_UB_ROWS;
48
49 /* For the perfectly-aligned-for-UIF-XOR case, don't add any pad. */
50 if (height_offset_in_pc == 0)
51 return 0;
52
53 /* Try padding up to where we're offset by at least half a page. */
54 if (height_offset_in_pc < PAGE_UB_ROWS_TIMES_1_5) {
55 /* If we fit entirely in the page cache, don't pad. */
56 if (height_ub < PAGE_CACHE_UB_ROWS)
57 return 0;
58 else
59 return PAGE_UB_ROWS_TIMES_1_5 - height_offset_in_pc;
60 }
61
62 /* If we're close to being aligned to page cache size, then round up
63 * and rely on XOR.
64 */
65 if (height_offset_in_pc > PAGE_CACHE_MINUS_1_5_UB_ROWS)
66 return PAGE_CACHE_UB_ROWS - height_offset_in_pc;
67
68 /* Otherwise, we're far enough away (top and bottom) to not need any
69 * padding.
70 */
71 return 0;
72 }
73
74 static void
v3d_setup_slices(struct v3dv_image * image)75 v3d_setup_slices(struct v3dv_image *image)
76 {
77 assert(image->cpp > 0);
78
79 uint32_t width = image->vk.extent.width;
80 uint32_t height = image->vk.extent.height;
81 uint32_t depth = image->vk.extent.depth;
82
83 /* Note that power-of-two padding is based on level 1. These are not
84 * equivalent to just util_next_power_of_two(dimension), because at a
85 * level 0 dimension of 9, the level 1 power-of-two padded value is 4,
86 * not 8.
87 */
88 uint32_t pot_width = 2 * util_next_power_of_two(u_minify(width, 1));
89 uint32_t pot_height = 2 * util_next_power_of_two(u_minify(height, 1));
90 uint32_t pot_depth = 2 * util_next_power_of_two(u_minify(depth, 1));
91
92 uint32_t utile_w = v3d_utile_width(image->cpp);
93 uint32_t utile_h = v3d_utile_height(image->cpp);
94 uint32_t uif_block_w = utile_w * 2;
95 uint32_t uif_block_h = utile_h * 2;
96
97 uint32_t block_width = vk_format_get_blockwidth(image->vk.format);
98 uint32_t block_height = vk_format_get_blockheight(image->vk.format);
99
100 assert(image->vk.samples == VK_SAMPLE_COUNT_1_BIT ||
101 image->vk.samples == VK_SAMPLE_COUNT_4_BIT);
102 bool msaa = image->vk.samples != VK_SAMPLE_COUNT_1_BIT;
103
104 bool uif_top = msaa;
105
106 assert(image->vk.array_layers > 0);
107 assert(depth > 0);
108 assert(image->vk.mip_levels >= 1);
109
110 uint32_t offset = 0;
111 for (int32_t i = image->vk.mip_levels - 1; i >= 0; i--) {
112 struct v3d_resource_slice *slice = &image->slices[i];
113
114 uint32_t level_width, level_height, level_depth;
115 if (i < 2) {
116 level_width = u_minify(width, i);
117 level_height = u_minify(height, i);
118 } else {
119 level_width = u_minify(pot_width, i);
120 level_height = u_minify(pot_height, i);
121 }
122
123 if (i < 1)
124 level_depth = u_minify(depth, i);
125 else
126 level_depth = u_minify(pot_depth, i);
127
128 if (msaa) {
129 level_width *= 2;
130 level_height *= 2;
131 }
132
133 level_width = DIV_ROUND_UP(level_width, block_width);
134 level_height = DIV_ROUND_UP(level_height, block_height);
135
136 if (!image->tiled) {
137 slice->tiling = V3D_TILING_RASTER;
138 if (image->vk.image_type == VK_IMAGE_TYPE_1D)
139 level_width = align(level_width, 64 / image->cpp);
140 } else {
141 if ((i != 0 || !uif_top) &&
142 (level_width <= utile_w || level_height <= utile_h)) {
143 slice->tiling = V3D_TILING_LINEARTILE;
144 level_width = align(level_width, utile_w);
145 level_height = align(level_height, utile_h);
146 } else if ((i != 0 || !uif_top) && level_width <= uif_block_w) {
147 slice->tiling = V3D_TILING_UBLINEAR_1_COLUMN;
148 level_width = align(level_width, uif_block_w);
149 level_height = align(level_height, uif_block_h);
150 } else if ((i != 0 || !uif_top) && level_width <= 2 * uif_block_w) {
151 slice->tiling = V3D_TILING_UBLINEAR_2_COLUMN;
152 level_width = align(level_width, 2 * uif_block_w);
153 level_height = align(level_height, uif_block_h);
154 } else {
155 /* We align the width to a 4-block column of UIF blocks, but we
156 * only align height to UIF blocks.
157 */
158 level_width = align(level_width, 4 * uif_block_w);
159 level_height = align(level_height, uif_block_h);
160
161 slice->ub_pad = v3d_get_ub_pad(image->cpp, level_height);
162 level_height += slice->ub_pad * uif_block_h;
163
164 /* If the padding set us to to be aligned to the page cache size,
165 * then the HW will use the XOR bit on odd columns to get us
166 * perfectly misaligned.
167 */
168 if ((level_height / uif_block_h) %
169 (V3D_PAGE_CACHE_SIZE / V3D_UIFBLOCK_ROW_SIZE) == 0) {
170 slice->tiling = V3D_TILING_UIF_XOR;
171 } else {
172 slice->tiling = V3D_TILING_UIF_NO_XOR;
173 }
174 }
175 }
176
177 slice->offset = offset;
178 slice->stride = level_width * image->cpp;
179 slice->padded_height = level_height;
180 if (slice->tiling == V3D_TILING_UIF_NO_XOR ||
181 slice->tiling == V3D_TILING_UIF_XOR) {
182 slice->padded_height_of_output_image_in_uif_blocks =
183 slice->padded_height / (2 * v3d_utile_height(image->cpp));
184 }
185
186 slice->size = level_height * slice->stride;
187 uint32_t slice_total_size = slice->size * level_depth;
188
189 /* The HW aligns level 1's base to a page if any of level 1 or
190 * below could be UIF XOR. The lower levels then inherit the
191 * alignment for as long as necesary, thanks to being power of
192 * two aligned.
193 */
194 if (i == 1 &&
195 level_width > 4 * uif_block_w &&
196 level_height > PAGE_CACHE_MINUS_1_5_UB_ROWS * uif_block_h) {
197 slice_total_size = align(slice_total_size, V3D_UIFCFG_PAGE_SIZE);
198 }
199
200 offset += slice_total_size;
201 }
202
203 image->size = offset;
204
205 /* UIF/UBLINEAR levels need to be aligned to UIF-blocks, and LT only
206 * needs to be aligned to utile boundaries. Since tiles are laid out
207 * from small to big in memory, we need to align the later UIF slices
208 * to UIF blocks, if they were preceded by non-UIF-block-aligned LT
209 * slices.
210 *
211 * We additionally align to 4k, which improves UIF XOR performance.
212 */
213 image->alignment = image->tiled ? 4096 : image->cpp;
214 uint32_t align_offset =
215 align(image->slices[0].offset, image->alignment) - image->slices[0].offset;
216 if (align_offset) {
217 image->size += align_offset;
218 for (int i = 0; i < image->vk.mip_levels; i++)
219 image->slices[i].offset += align_offset;
220 }
221
222 /* Arrays and cube textures have a stride which is the distance from
223 * one full mipmap tree to the next (64b aligned). For 3D textures,
224 * we need to program the stride between slices of miplevel 0.
225 */
226 if (image->vk.image_type != VK_IMAGE_TYPE_3D) {
227 image->cube_map_stride =
228 align(image->slices[0].offset + image->slices[0].size, 64);
229 image->size += image->cube_map_stride * (image->vk.array_layers - 1);
230 } else {
231 image->cube_map_stride = image->slices[0].size;
232 }
233 }
234
235 uint32_t
v3dv_layer_offset(const struct v3dv_image * image,uint32_t level,uint32_t layer)236 v3dv_layer_offset(const struct v3dv_image *image, uint32_t level, uint32_t layer)
237 {
238 const struct v3d_resource_slice *slice = &image->slices[level];
239
240 if (image->vk.image_type == VK_IMAGE_TYPE_3D)
241 return image->mem_offset + slice->offset + layer * slice->size;
242 else
243 return image->mem_offset + slice->offset + layer * image->cube_map_stride;
244 }
245
246 static VkResult
create_image(struct v3dv_device * device,const VkImageCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkImage * pImage)247 create_image(struct v3dv_device *device,
248 const VkImageCreateInfo *pCreateInfo,
249 const VkAllocationCallbacks *pAllocator,
250 VkImage *pImage)
251 {
252 struct v3dv_image *image = NULL;
253
254 image = vk_image_create(&device->vk, pCreateInfo, pAllocator, sizeof(*image));
255 if (image == NULL)
256 return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
257
258 /* When using the simulator the WSI common code will see that our
259 * driver wsi device doesn't match the display device and because of that
260 * it will not attempt to present directly from the swapchain images,
261 * instead it will use the prime blit path (use_prime_blit flag in
262 * struct wsi_swapchain), where it copies the contents of the swapchain
263 * images to a linear buffer with appropriate row stride for presentation.
264 * As a result, on that path, swapchain images do not have any special
265 * requirements and are not created with the pNext structs below.
266 */
267 VkImageTiling tiling = pCreateInfo->tiling;
268 uint64_t modifier = DRM_FORMAT_MOD_INVALID;
269 if (tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT) {
270 const VkImageDrmFormatModifierListCreateInfoEXT *mod_info =
271 vk_find_struct_const(pCreateInfo->pNext,
272 IMAGE_DRM_FORMAT_MODIFIER_LIST_CREATE_INFO_EXT);
273 const VkImageDrmFormatModifierExplicitCreateInfoEXT *explicit_mod_info =
274 vk_find_struct_const(pCreateInfo->pNext,
275 IMAGE_DRM_FORMAT_MODIFIER_EXPLICIT_CREATE_INFO_EXT);
276 assert(mod_info || explicit_mod_info);
277
278 if (mod_info) {
279 for (uint32_t i = 0; i < mod_info->drmFormatModifierCount; i++) {
280 switch (mod_info->pDrmFormatModifiers[i]) {
281 case DRM_FORMAT_MOD_LINEAR:
282 if (modifier == DRM_FORMAT_MOD_INVALID)
283 modifier = DRM_FORMAT_MOD_LINEAR;
284 break;
285 case DRM_FORMAT_MOD_BROADCOM_UIF:
286 modifier = DRM_FORMAT_MOD_BROADCOM_UIF;
287 break;
288 }
289 }
290 } else {
291 modifier = explicit_mod_info->drmFormatModifier;
292 }
293 assert(modifier == DRM_FORMAT_MOD_LINEAR ||
294 modifier == DRM_FORMAT_MOD_BROADCOM_UIF);
295 } else if (pCreateInfo->imageType == VK_IMAGE_TYPE_1D ||
296 image->vk.wsi_legacy_scanout) {
297 tiling = VK_IMAGE_TILING_LINEAR;
298 }
299
300 const struct v3dv_format *format =
301 v3dv_X(device, get_format)(pCreateInfo->format);
302 v3dv_assert(format != NULL && format->supported);
303
304 assert(pCreateInfo->samples == VK_SAMPLE_COUNT_1_BIT ||
305 pCreateInfo->samples == VK_SAMPLE_COUNT_4_BIT);
306
307 image->format = format;
308 image->cpp = vk_format_get_blocksize(image->vk.format);
309 image->tiled = tiling == VK_IMAGE_TILING_OPTIMAL ||
310 (tiling == VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT &&
311 modifier != DRM_FORMAT_MOD_LINEAR);
312
313 image->vk.tiling = tiling;
314 image->vk.drm_format_mod = modifier;
315
316 /* Our meta paths can create image views with compatible formats for any
317 * image, so always set this flag to keep the common Vulkan image code
318 * happy.
319 */
320 image->vk.create_flags |= VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT;
321
322 v3d_setup_slices(image);
323
324 *pImage = v3dv_image_to_handle(image);
325
326 return VK_SUCCESS;
327 }
328
329 static VkResult
create_image_from_swapchain(struct v3dv_device * device,const VkImageCreateInfo * pCreateInfo,const VkImageSwapchainCreateInfoKHR * swapchain_info,const VkAllocationCallbacks * pAllocator,VkImage * pImage)330 create_image_from_swapchain(struct v3dv_device *device,
331 const VkImageCreateInfo *pCreateInfo,
332 const VkImageSwapchainCreateInfoKHR *swapchain_info,
333 const VkAllocationCallbacks *pAllocator,
334 VkImage *pImage)
335 {
336 struct v3dv_image *swapchain_image =
337 v3dv_wsi_get_image_from_swapchain(swapchain_info->swapchain, 0);
338 assert(swapchain_image);
339
340 VkImageCreateInfo local_create_info = *pCreateInfo;
341 local_create_info.pNext = NULL;
342
343 /* Added by wsi code. */
344 local_create_info.usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
345
346 /* The spec requires TILING_OPTIMAL as input, but the swapchain image may
347 * privately use a different tiling. See spec anchor
348 * #swapchain-wsi-image-create-info .
349 */
350 assert(local_create_info.tiling == VK_IMAGE_TILING_OPTIMAL);
351 local_create_info.tiling = swapchain_image->vk.tiling;
352
353 VkImageDrmFormatModifierListCreateInfoEXT local_modifier_info = {
354 .sType = VK_STRUCTURE_TYPE_IMAGE_DRM_FORMAT_MODIFIER_LIST_CREATE_INFO_EXT,
355 .drmFormatModifierCount = 1,
356 .pDrmFormatModifiers = &swapchain_image->vk.drm_format_mod,
357 };
358
359 if (swapchain_image->vk.drm_format_mod != DRM_FORMAT_MOD_INVALID)
360 __vk_append_struct(&local_create_info, &local_modifier_info);
361
362 assert(swapchain_image->vk.image_type == local_create_info.imageType);
363 assert(swapchain_image->vk.format == local_create_info.format);
364 assert(swapchain_image->vk.extent.width == local_create_info.extent.width);
365 assert(swapchain_image->vk.extent.height == local_create_info.extent.height);
366 assert(swapchain_image->vk.extent.depth == local_create_info.extent.depth);
367 assert(swapchain_image->vk.array_layers == local_create_info.arrayLayers);
368 assert(swapchain_image->vk.samples == local_create_info.samples);
369 assert(swapchain_image->vk.tiling == local_create_info.tiling);
370 assert((swapchain_image->vk.usage & local_create_info.usage) ==
371 local_create_info.usage);
372
373 return create_image(device, &local_create_info, pAllocator, pImage);
374 }
375
376 VKAPI_ATTR VkResult VKAPI_CALL
v3dv_CreateImage(VkDevice _device,const VkImageCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkImage * pImage)377 v3dv_CreateImage(VkDevice _device,
378 const VkImageCreateInfo *pCreateInfo,
379 const VkAllocationCallbacks *pAllocator,
380 VkImage *pImage)
381 {
382 V3DV_FROM_HANDLE(v3dv_device, device, _device);
383
384 const VkImageSwapchainCreateInfoKHR *swapchain_info =
385 vk_find_struct_const(pCreateInfo->pNext, IMAGE_SWAPCHAIN_CREATE_INFO_KHR);
386 if (swapchain_info && swapchain_info->swapchain != VK_NULL_HANDLE)
387 return create_image_from_swapchain(device, pCreateInfo, swapchain_info,
388 pAllocator, pImage);
389
390 return create_image(device, pCreateInfo, pAllocator, pImage);
391 }
392
393 VKAPI_ATTR void VKAPI_CALL
v3dv_GetImageSubresourceLayout(VkDevice device,VkImage _image,const VkImageSubresource * subresource,VkSubresourceLayout * layout)394 v3dv_GetImageSubresourceLayout(VkDevice device,
395 VkImage _image,
396 const VkImageSubresource *subresource,
397 VkSubresourceLayout *layout)
398 {
399 V3DV_FROM_HANDLE(v3dv_image, image, _image);
400
401 const struct v3d_resource_slice *slice =
402 &image->slices[subresource->mipLevel];
403 layout->offset =
404 v3dv_layer_offset(image, subresource->mipLevel, subresource->arrayLayer);
405 layout->rowPitch = slice->stride;
406 layout->depthPitch = image->cube_map_stride;
407 layout->arrayPitch = image->cube_map_stride;
408
409 if (image->vk.image_type != VK_IMAGE_TYPE_3D) {
410 layout->size = slice->size;
411 } else {
412 /* For 3D images, the size of the slice represents the size of a 2D slice
413 * in the 3D image, so we have to multiply by the depth extent of the
414 * miplevel. For levels other than the first, we just compute the size
415 * as the distance between consecutive levels (notice that mip levels are
416 * arranged in memory from last to first).
417 */
418 if (subresource->mipLevel == 0) {
419 layout->size = slice->size * image->vk.extent.depth;
420 } else {
421 const struct v3d_resource_slice *prev_slice =
422 &image->slices[subresource->mipLevel - 1];
423 layout->size = prev_slice->offset - slice->offset;
424 }
425 }
426 }
427
428 VKAPI_ATTR void VKAPI_CALL
v3dv_DestroyImage(VkDevice _device,VkImage _image,const VkAllocationCallbacks * pAllocator)429 v3dv_DestroyImage(VkDevice _device,
430 VkImage _image,
431 const VkAllocationCallbacks* pAllocator)
432 {
433 V3DV_FROM_HANDLE(v3dv_device, device, _device);
434 V3DV_FROM_HANDLE(v3dv_image, image, _image);
435
436 if (image == NULL)
437 return;
438
439 vk_image_destroy(&device->vk, pAllocator, &image->vk);
440 }
441
442 VkImageViewType
v3dv_image_type_to_view_type(VkImageType type)443 v3dv_image_type_to_view_type(VkImageType type)
444 {
445 switch (type) {
446 case VK_IMAGE_TYPE_1D: return VK_IMAGE_VIEW_TYPE_1D;
447 case VK_IMAGE_TYPE_2D: return VK_IMAGE_VIEW_TYPE_2D;
448 case VK_IMAGE_TYPE_3D: return VK_IMAGE_VIEW_TYPE_3D;
449 default:
450 unreachable("Invalid image type");
451 }
452 }
453
454 static enum pipe_swizzle
vk_component_mapping_to_pipe_swizzle(VkComponentSwizzle swz)455 vk_component_mapping_to_pipe_swizzle(VkComponentSwizzle swz)
456 {
457 assert(swz != VK_COMPONENT_SWIZZLE_IDENTITY);
458
459 switch (swz) {
460 case VK_COMPONENT_SWIZZLE_ZERO:
461 return PIPE_SWIZZLE_0;
462 case VK_COMPONENT_SWIZZLE_ONE:
463 return PIPE_SWIZZLE_1;
464 case VK_COMPONENT_SWIZZLE_R:
465 return PIPE_SWIZZLE_X;
466 case VK_COMPONENT_SWIZZLE_G:
467 return PIPE_SWIZZLE_Y;
468 case VK_COMPONENT_SWIZZLE_B:
469 return PIPE_SWIZZLE_Z;
470 case VK_COMPONENT_SWIZZLE_A:
471 return PIPE_SWIZZLE_W;
472 default:
473 unreachable("Unknown VkComponentSwizzle");
474 };
475 }
476
477 VKAPI_ATTR VkResult VKAPI_CALL
v3dv_CreateImageView(VkDevice _device,const VkImageViewCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkImageView * pView)478 v3dv_CreateImageView(VkDevice _device,
479 const VkImageViewCreateInfo *pCreateInfo,
480 const VkAllocationCallbacks *pAllocator,
481 VkImageView *pView)
482 {
483 V3DV_FROM_HANDLE(v3dv_device, device, _device);
484 V3DV_FROM_HANDLE(v3dv_image, image, pCreateInfo->image);
485 struct v3dv_image_view *iview;
486
487 iview = vk_image_view_create(&device->vk, pCreateInfo, pAllocator,
488 sizeof(*iview));
489 if (iview == NULL)
490 return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
491
492 const VkImageSubresourceRange *range = &pCreateInfo->subresourceRange;
493
494 iview->offset = v3dv_layer_offset(image, iview->vk.base_mip_level,
495 iview->vk.base_array_layer);
496
497 /* If we have D24S8 format but the view only selects the stencil aspect
498 * we want to re-interpret the format as RGBA8_UINT, then map our stencil
499 * data reads to the R component and ignore the GBA channels that contain
500 * the depth aspect data.
501 */
502 VkFormat format;
503 uint8_t image_view_swizzle[4];
504 if (pCreateInfo->format == VK_FORMAT_D24_UNORM_S8_UINT &&
505 range->aspectMask == VK_IMAGE_ASPECT_STENCIL_BIT) {
506 format = VK_FORMAT_R8G8B8A8_UINT;
507 image_view_swizzle[0] = PIPE_SWIZZLE_X;
508 image_view_swizzle[1] = PIPE_SWIZZLE_0;
509 image_view_swizzle[2] = PIPE_SWIZZLE_0;
510 image_view_swizzle[3] = PIPE_SWIZZLE_1;
511 } else {
512 format = pCreateInfo->format;
513
514 /* FIXME: we are doing this vk to pipe swizzle mapping just to call
515 * util_format_compose_swizzles. Would be good to check if it would be
516 * better to reimplement the latter using vk component
517 */
518 image_view_swizzle[0] =
519 vk_component_mapping_to_pipe_swizzle(iview->vk.swizzle.r);
520 image_view_swizzle[1] =
521 vk_component_mapping_to_pipe_swizzle(iview->vk.swizzle.g);
522 image_view_swizzle[2] =
523 vk_component_mapping_to_pipe_swizzle(iview->vk.swizzle.b);
524 image_view_swizzle[3] =
525 vk_component_mapping_to_pipe_swizzle(iview->vk.swizzle.a);
526 }
527
528 iview->vk.format = format;
529 iview->format = v3dv_X(device, get_format)(format);
530 assert(iview->format && iview->format->supported);
531
532 if (vk_format_is_depth_or_stencil(iview->vk.format)) {
533 iview->internal_type =
534 v3dv_X(device, get_internal_depth_type)(iview->vk.format);
535 } else {
536 v3dv_X(device, get_internal_type_bpp_for_output_format)
537 (iview->format->rt_type, &iview->internal_type, &iview->internal_bpp);
538 }
539
540 const uint8_t *format_swizzle = v3dv_get_format_swizzle(device, format);
541 util_format_compose_swizzles(format_swizzle, image_view_swizzle,
542 iview->swizzle);
543 iview->swap_rb = iview->swizzle[0] == PIPE_SWIZZLE_Z;
544
545 v3dv_X(device, pack_texture_shader_state)(device, iview);
546
547 *pView = v3dv_image_view_to_handle(iview);
548
549 return VK_SUCCESS;
550 }
551
552 VKAPI_ATTR void VKAPI_CALL
v3dv_DestroyImageView(VkDevice _device,VkImageView imageView,const VkAllocationCallbacks * pAllocator)553 v3dv_DestroyImageView(VkDevice _device,
554 VkImageView imageView,
555 const VkAllocationCallbacks* pAllocator)
556 {
557 V3DV_FROM_HANDLE(v3dv_device, device, _device);
558 V3DV_FROM_HANDLE(v3dv_image_view, image_view, imageView);
559
560 if (image_view == NULL)
561 return;
562
563 vk_image_view_destroy(&device->vk, pAllocator, &image_view->vk);
564 }
565
566 VKAPI_ATTR VkResult VKAPI_CALL
v3dv_CreateBufferView(VkDevice _device,const VkBufferViewCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkBufferView * pView)567 v3dv_CreateBufferView(VkDevice _device,
568 const VkBufferViewCreateInfo *pCreateInfo,
569 const VkAllocationCallbacks *pAllocator,
570 VkBufferView *pView)
571 {
572 V3DV_FROM_HANDLE(v3dv_device, device, _device);
573
574 struct v3dv_buffer *buffer =
575 v3dv_buffer_from_handle(pCreateInfo->buffer);
576
577 struct v3dv_buffer_view *view =
578 vk_object_zalloc(&device->vk, pAllocator, sizeof(*view),
579 VK_OBJECT_TYPE_BUFFER_VIEW);
580 if (!view)
581 return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
582
583 uint32_t range;
584 if (pCreateInfo->range == VK_WHOLE_SIZE)
585 range = buffer->size - pCreateInfo->offset;
586 else
587 range = pCreateInfo->range;
588
589 enum pipe_format pipe_format = vk_format_to_pipe_format(pCreateInfo->format);
590 uint32_t num_elements = range / util_format_get_blocksize(pipe_format);
591
592 view->buffer = buffer;
593 view->offset = pCreateInfo->offset;
594 view->size = view->offset + range;
595 view->num_elements = num_elements;
596 view->vk_format = pCreateInfo->format;
597 view->format = v3dv_X(device, get_format)(view->vk_format);
598
599 v3dv_X(device, get_internal_type_bpp_for_output_format)
600 (view->format->rt_type, &view->internal_type, &view->internal_bpp);
601
602 if (buffer->usage & VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT ||
603 buffer->usage & VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT)
604 v3dv_X(device, pack_texture_shader_state_from_buffer_view)(device, view);
605
606 *pView = v3dv_buffer_view_to_handle(view);
607
608 return VK_SUCCESS;
609 }
610
611 VKAPI_ATTR void VKAPI_CALL
v3dv_DestroyBufferView(VkDevice _device,VkBufferView bufferView,const VkAllocationCallbacks * pAllocator)612 v3dv_DestroyBufferView(VkDevice _device,
613 VkBufferView bufferView,
614 const VkAllocationCallbacks *pAllocator)
615 {
616 V3DV_FROM_HANDLE(v3dv_device, device, _device);
617 V3DV_FROM_HANDLE(v3dv_buffer_view, buffer_view, bufferView);
618
619 if (buffer_view == NULL)
620 return;
621
622 vk_object_free(&device->vk, pAllocator, buffer_view);
623 }
624