1 // Copyright 2018 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "VkDescriptorSetLayout.hpp"
16
17 #include "VkBuffer.hpp"
18 #include "VkBufferView.hpp"
19 #include "VkDescriptorSet.hpp"
20 #include "VkImageView.hpp"
21 #include "VkSampler.hpp"
22
23 #include "Reactor/Reactor.hpp"
24
25 #include <algorithm>
26 #include <cstddef>
27 #include <cstring>
28
29 namespace vk {
30
UsesImmutableSamplers(const VkDescriptorSetLayoutBinding & binding)31 static bool UsesImmutableSamplers(const VkDescriptorSetLayoutBinding &binding)
32 {
33 return (((binding.descriptorType == VK_DESCRIPTOR_TYPE_SAMPLER) ||
34 (binding.descriptorType == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER)) &&
35 (binding.pImmutableSamplers != nullptr));
36 }
37
DescriptorSetLayout(const VkDescriptorSetLayoutCreateInfo * pCreateInfo,void * mem)38 DescriptorSetLayout::DescriptorSetLayout(const VkDescriptorSetLayoutCreateInfo *pCreateInfo, void *mem)
39 : flags(pCreateInfo->flags)
40 , bindings(reinterpret_cast<Binding *>(mem))
41 {
42 // The highest binding number determines the size of the direct-indexed array.
43 bindingsArraySize = 0;
44 for(uint32_t i = 0; i < pCreateInfo->bindingCount; i++)
45 {
46 bindingsArraySize = std::max(bindingsArraySize, pCreateInfo->pBindings[i].binding + 1);
47 }
48
49 uint8_t *immutableSamplersStorage = static_cast<uint8_t *>(mem) + bindingsArraySize * sizeof(Binding);
50
51 // pCreateInfo->pBindings[] can have gaps in the binding numbers, so first initialize the entire bindings array.
52 // "Bindings that are not specified have a descriptorCount and stageFlags of zero, and the value of descriptorType is undefined."
53 for(uint32_t i = 0; i < bindingsArraySize; i++)
54 {
55 bindings[i].descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER;
56 bindings[i].descriptorCount = 0;
57 bindings[i].immutableSamplers = nullptr;
58 }
59
60 for(uint32_t i = 0; i < pCreateInfo->bindingCount; i++)
61 {
62 const VkDescriptorSetLayoutBinding &srcBinding = pCreateInfo->pBindings[i];
63 vk::DescriptorSetLayout::Binding &dstBinding = bindings[srcBinding.binding];
64
65 dstBinding.descriptorType = srcBinding.descriptorType;
66 dstBinding.descriptorCount = srcBinding.descriptorCount;
67
68 if(UsesImmutableSamplers(srcBinding))
69 {
70 size_t immutableSamplersSize = dstBinding.descriptorCount * sizeof(VkSampler);
71 dstBinding.immutableSamplers = reinterpret_cast<const vk::Sampler **>(immutableSamplersStorage);
72 immutableSamplersStorage += immutableSamplersSize;
73
74 for(uint32_t i = 0; i < dstBinding.descriptorCount; i++)
75 {
76 dstBinding.immutableSamplers[i] = vk::Cast(srcBinding.pImmutableSamplers[i]);
77 }
78 }
79 }
80
81 uint32_t offset = 0;
82 for(uint32_t i = 0; i < bindingsArraySize; i++)
83 {
84 bindings[i].offset = offset;
85 offset += bindings[i].descriptorCount * GetDescriptorSize(bindings[i].descriptorType);
86 }
87
88 ASSERT_MSG(offset == getDescriptorSetDataSize(), "offset: %d, size: %d", int(offset), int(getDescriptorSetDataSize()));
89 }
90
destroy(const VkAllocationCallbacks * pAllocator)91 void DescriptorSetLayout::destroy(const VkAllocationCallbacks *pAllocator)
92 {
93 vk::freeHostMemory(bindings, pAllocator); // This allocation also contains pImmutableSamplers
94 }
95
ComputeRequiredAllocationSize(const VkDescriptorSetLayoutCreateInfo * pCreateInfo)96 size_t DescriptorSetLayout::ComputeRequiredAllocationSize(const VkDescriptorSetLayoutCreateInfo *pCreateInfo)
97 {
98 uint32_t bindingsArraySize = 0;
99 uint32_t immutableSamplerCount = 0;
100 for(uint32_t i = 0; i < pCreateInfo->bindingCount; i++)
101 {
102 bindingsArraySize = std::max(bindingsArraySize, pCreateInfo->pBindings[i].binding + 1);
103
104 if(UsesImmutableSamplers(pCreateInfo->pBindings[i]))
105 {
106 immutableSamplerCount += pCreateInfo->pBindings[i].descriptorCount;
107 }
108 }
109
110 return bindingsArraySize * sizeof(Binding) +
111 immutableSamplerCount * sizeof(VkSampler);
112 }
113
GetDescriptorSize(VkDescriptorType type)114 uint32_t DescriptorSetLayout::GetDescriptorSize(VkDescriptorType type)
115 {
116 switch(type)
117 {
118 case VK_DESCRIPTOR_TYPE_SAMPLER:
119 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
120 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
121 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
122 return static_cast<uint32_t>(sizeof(SampledImageDescriptor));
123 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
124 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
125 case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
126 return static_cast<uint32_t>(sizeof(StorageImageDescriptor));
127 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
128 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
129 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
130 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
131 return static_cast<uint32_t>(sizeof(BufferDescriptor));
132 case VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK:
133 return 1;
134 default:
135 UNSUPPORTED("Unsupported Descriptor Type: %d", int(type));
136 return 0;
137 }
138 }
139
IsDescriptorDynamic(VkDescriptorType type)140 bool DescriptorSetLayout::IsDescriptorDynamic(VkDescriptorType type)
141 {
142 return type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC ||
143 type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC;
144 }
145
getDescriptorSetAllocationSize() const146 size_t DescriptorSetLayout::getDescriptorSetAllocationSize() const
147 {
148 // vk::DescriptorSet has a header with a pointer to the layout.
149 return sw::align<alignof(DescriptorSet)>(OFFSET(DescriptorSet, data) + getDescriptorSetDataSize());
150 }
151
getDescriptorSetDataSize() const152 size_t DescriptorSetLayout::getDescriptorSetDataSize() const
153 {
154 size_t size = 0;
155 for(uint32_t i = 0; i < bindingsArraySize; i++)
156 {
157 size += bindings[i].descriptorCount * GetDescriptorSize(bindings[i].descriptorType);
158 }
159
160 return size;
161 }
162
initialize(DescriptorSet * descriptorSet)163 void DescriptorSetLayout::initialize(DescriptorSet *descriptorSet)
164 {
165 ASSERT(descriptorSet->header.layout == nullptr);
166
167 // Use a pointer to this descriptor set layout as the descriptor set's header
168 descriptorSet->header.layout = this;
169 uint8_t *mem = descriptorSet->data;
170
171 for(uint32_t i = 0; i < bindingsArraySize; i++)
172 {
173 size_t descriptorSize = GetDescriptorSize(bindings[i].descriptorType);
174
175 if(bindings[i].immutableSamplers)
176 {
177 for(uint32_t j = 0; j < bindings[i].descriptorCount; j++)
178 {
179 SampledImageDescriptor *imageSamplerDescriptor = reinterpret_cast<SampledImageDescriptor *>(mem);
180 imageSamplerDescriptor->samplerId = bindings[i].immutableSamplers[j]->id;
181 imageSamplerDescriptor->memoryOwner = nullptr;
182 mem += descriptorSize;
183 }
184 }
185 else
186 {
187 switch(bindings[i].descriptorType)
188 {
189 case VK_DESCRIPTOR_TYPE_SAMPLER:
190 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
191 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
192 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
193 for(uint32_t j = 0; j < bindings[i].descriptorCount; j++)
194 {
195 SampledImageDescriptor *imageSamplerDescriptor = reinterpret_cast<SampledImageDescriptor *>(mem);
196 imageSamplerDescriptor->memoryOwner = nullptr;
197 mem += descriptorSize;
198 }
199 break;
200 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
201 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
202 case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
203 for(uint32_t j = 0; j < bindings[i].descriptorCount; j++)
204 {
205 StorageImageDescriptor *storageImage = reinterpret_cast<StorageImageDescriptor *>(mem);
206 storageImage->memoryOwner = nullptr;
207 mem += descriptorSize;
208 }
209 break;
210 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
211 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
212 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
213 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
214 mem += bindings[i].descriptorCount * descriptorSize;
215 break;
216 case VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK:
217 mem += bindings[i].descriptorCount;
218 break;
219 default:
220 UNSUPPORTED("Unsupported Descriptor Type: %d", int(bindings[i].descriptorType));
221 }
222 }
223 }
224 }
225
getBindingOffset(uint32_t bindingNumber) const226 uint32_t DescriptorSetLayout::getBindingOffset(uint32_t bindingNumber) const
227 {
228 ASSERT(bindingNumber < bindingsArraySize);
229 return bindings[bindingNumber].offset;
230 }
231
getDescriptorCount(uint32_t bindingNumber) const232 uint32_t DescriptorSetLayout::getDescriptorCount(uint32_t bindingNumber) const
233 {
234 ASSERT(bindingNumber < bindingsArraySize);
235 return bindings[bindingNumber].descriptorCount;
236 }
237
getDynamicDescriptorCount() const238 uint32_t DescriptorSetLayout::getDynamicDescriptorCount() const
239 {
240 uint32_t count = 0;
241 for(size_t i = 0; i < bindingsArraySize; i++)
242 {
243 if(IsDescriptorDynamic(bindings[i].descriptorType))
244 {
245 count += bindings[i].descriptorCount;
246 }
247 }
248
249 return count;
250 }
251
getDynamicOffsetIndex(uint32_t bindingNumber) const252 uint32_t DescriptorSetLayout::getDynamicOffsetIndex(uint32_t bindingNumber) const
253 {
254 ASSERT(bindingNumber < bindingsArraySize);
255 ASSERT(IsDescriptorDynamic(bindings[bindingNumber].descriptorType));
256
257 uint32_t index = 0;
258 for(uint32_t i = 0; i < bindingNumber; i++)
259 {
260 if(IsDescriptorDynamic(bindings[i].descriptorType))
261 {
262 index += bindings[i].descriptorCount;
263 }
264 }
265
266 return index;
267 }
268
getDescriptorType(uint32_t bindingNumber) const269 VkDescriptorType DescriptorSetLayout::getDescriptorType(uint32_t bindingNumber) const
270 {
271 ASSERT(bindingNumber < bindingsArraySize);
272 return bindings[bindingNumber].descriptorType;
273 }
274
getDescriptorPointer(DescriptorSet * descriptorSet,uint32_t bindingNumber,uint32_t arrayElement,uint32_t count,size_t * typeSize) const275 uint8_t *DescriptorSetLayout::getDescriptorPointer(DescriptorSet *descriptorSet, uint32_t bindingNumber, uint32_t arrayElement, uint32_t count, size_t *typeSize) const
276 {
277 ASSERT(bindingNumber < bindingsArraySize);
278 *typeSize = GetDescriptorSize(bindings[bindingNumber].descriptorType);
279 size_t byteOffset = bindings[bindingNumber].offset + (*typeSize * arrayElement);
280 ASSERT(((*typeSize * count) + byteOffset) <= getDescriptorSetDataSize()); // Make sure the operation will not go out of bounds
281
282 return &descriptorSet->data[byteOffset];
283 }
284
WriteTextureLevelInfo(sw::Texture * texture,uint32_t level,uint32_t width,uint32_t height,uint32_t depth,uint32_t pitchP,uint32_t sliceP,uint32_t samplePitchP,uint32_t sampleMax)285 static void WriteTextureLevelInfo(sw::Texture *texture, uint32_t level, uint32_t width, uint32_t height, uint32_t depth, uint32_t pitchP, uint32_t sliceP, uint32_t samplePitchP, uint32_t sampleMax)
286 {
287 if(level == 0)
288 {
289 texture->widthWidthHeightHeight[0] = static_cast<float>(width);
290 texture->widthWidthHeightHeight[1] = static_cast<float>(width);
291 texture->widthWidthHeightHeight[2] = static_cast<float>(height);
292 texture->widthWidthHeightHeight[3] = static_cast<float>(height);
293
294 texture->width = sw::float4(static_cast<float>(width));
295 texture->height = sw::float4(static_cast<float>(height));
296 texture->depth = sw::float4(static_cast<float>(depth));
297 }
298
299 sw::Mipmap &mipmap = texture->mipmap[level];
300
301 uint16_t halfTexelU = 0x8000 / width;
302 uint16_t halfTexelV = 0x8000 / height;
303 uint16_t halfTexelW = 0x8000 / depth;
304
305 mipmap.uHalf = sw::ushort4(halfTexelU);
306 mipmap.vHalf = sw::ushort4(halfTexelV);
307 mipmap.wHalf = sw::ushort4(halfTexelW);
308
309 mipmap.width = sw::uint4(width);
310 mipmap.height = sw::uint4(height);
311 mipmap.depth = sw::uint4(depth);
312
313 mipmap.onePitchP[0] = 1;
314 mipmap.onePitchP[1] = sw::assert_cast<short>(pitchP);
315 mipmap.onePitchP[2] = 1;
316 mipmap.onePitchP[3] = sw::assert_cast<short>(pitchP);
317
318 mipmap.pitchP = sw::uint4(pitchP);
319 mipmap.sliceP = sw::uint4(sliceP);
320 mipmap.samplePitchP = sw::uint4(samplePitchP);
321 mipmap.sampleMax = sw::uint4(sampleMax);
322 }
323
WriteDescriptorSet(Device * device,DescriptorSet * dstSet,VkDescriptorUpdateTemplateEntry const & entry,const char * src)324 void DescriptorSetLayout::WriteDescriptorSet(Device *device, DescriptorSet *dstSet, VkDescriptorUpdateTemplateEntry const &entry, const char *src)
325 {
326 DescriptorSetLayout *dstLayout = dstSet->header.layout;
327 const DescriptorSetLayout::Binding &binding = dstLayout->bindings[entry.dstBinding];
328 ASSERT(dstLayout);
329 ASSERT(binding.descriptorType == entry.descriptorType);
330
331 size_t typeSize = 0;
332 uint8_t *memToWrite = dstLayout->getDescriptorPointer(dstSet, entry.dstBinding, entry.dstArrayElement, entry.descriptorCount, &typeSize);
333
334 ASSERT(reinterpret_cast<intptr_t>(memToWrite) % 16 == 0); // Each descriptor must be 16-byte aligned.
335
336 if(entry.descriptorType == VK_DESCRIPTOR_TYPE_SAMPLER)
337 {
338 SampledImageDescriptor *sampledImage = reinterpret_cast<SampledImageDescriptor *>(memToWrite);
339
340 for(uint32_t i = 0; i < entry.descriptorCount; i++)
341 {
342 const VkDescriptorImageInfo *update = reinterpret_cast<const VkDescriptorImageInfo *>(src + entry.offset + entry.stride * i);
343
344 // "All consecutive bindings updated via a single VkWriteDescriptorSet structure, except those with a
345 // descriptorCount of zero, must all either use immutable samplers or must all not use immutable samplers."
346 if(!binding.immutableSamplers)
347 {
348 sampledImage[i].samplerId = vk::Cast(update->sampler)->id;
349 }
350 }
351 }
352 else if(entry.descriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER)
353 {
354 SampledImageDescriptor *sampledImage = reinterpret_cast<SampledImageDescriptor *>(memToWrite);
355
356 for(uint32_t i = 0; i < entry.descriptorCount; i++)
357 {
358 const VkBufferView *update = reinterpret_cast<const VkBufferView *>(src + entry.offset + entry.stride * i);
359 const vk::BufferView *bufferView = vk::Cast(*update);
360
361 sampledImage[i].imageViewId = bufferView->id;
362
363 uint32_t numElements = bufferView->getElementCount();
364 sampledImage[i].width = numElements;
365 sampledImage[i].height = 1;
366 sampledImage[i].depth = 1;
367 sampledImage[i].mipLevels = 1;
368 sampledImage[i].sampleCount = 1;
369 sampledImage[i].texture.widthWidthHeightHeight = sw::float4(static_cast<float>(numElements), static_cast<float>(numElements), 1, 1);
370 sampledImage[i].texture.width = sw::float4(static_cast<float>(numElements));
371 sampledImage[i].texture.height = sw::float4(1);
372 sampledImage[i].texture.depth = sw::float4(1);
373
374 sw::Mipmap &mipmap = sampledImage[i].texture.mipmap[0];
375 mipmap.buffer = bufferView->getPointer();
376 mipmap.width[0] = mipmap.width[1] = mipmap.width[2] = mipmap.width[3] = numElements;
377 mipmap.height[0] = mipmap.height[1] = mipmap.height[2] = mipmap.height[3] = 1;
378 mipmap.depth[0] = mipmap.depth[1] = mipmap.depth[2] = mipmap.depth[3] = 1;
379 mipmap.pitchP.x = mipmap.pitchP.y = mipmap.pitchP.z = mipmap.pitchP.w = numElements;
380 mipmap.sliceP.x = mipmap.sliceP.y = mipmap.sliceP.z = mipmap.sliceP.w = 0;
381 mipmap.onePitchP[0] = mipmap.onePitchP[2] = 1;
382 mipmap.onePitchP[1] = mipmap.onePitchP[3] = 0;
383 }
384 }
385 else if(entry.descriptorType == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER ||
386 entry.descriptorType == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE)
387 {
388 SampledImageDescriptor *sampledImage = reinterpret_cast<SampledImageDescriptor *>(memToWrite);
389
390 for(uint32_t i = 0; i < entry.descriptorCount; i++)
391 {
392 const VkDescriptorImageInfo *update = reinterpret_cast<const VkDescriptorImageInfo *>(src + entry.offset + entry.stride * i);
393
394 vk::ImageView *imageView = vk::Cast(update->imageView);
395 Format format = imageView->getFormat(ImageView::SAMPLING);
396
397 sw::Texture *texture = &sampledImage[i].texture;
398
399 if(entry.descriptorType == VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER)
400 {
401 // "All consecutive bindings updated via a single VkWriteDescriptorSet structure, except those with a
402 // descriptorCount of zero, must all either use immutable samplers or must all not use immutable samplers."
403 if(!binding.immutableSamplers)
404 {
405 sampledImage[i].samplerId = vk::Cast(update->sampler)->id;
406 }
407 }
408
409 const auto &extent = imageView->getMipLevelExtent(0);
410
411 sampledImage[i].imageViewId = imageView->id;
412 sampledImage[i].width = extent.width;
413 sampledImage[i].height = extent.height;
414 sampledImage[i].depth = imageView->getDepthOrLayerCount(0);
415 sampledImage[i].mipLevels = imageView->getSubresourceRange().levelCount;
416 sampledImage[i].sampleCount = imageView->getSampleCount();
417 sampledImage[i].memoryOwner = imageView;
418
419 auto &subresourceRange = imageView->getSubresourceRange();
420
421 if(format.isYcbcrFormat())
422 {
423 ASSERT(subresourceRange.levelCount == 1);
424
425 // YCbCr images can only have one level, so we can store parameters for the
426 // different planes in the descriptor's mipmap levels instead.
427
428 const int level = 0;
429 VkOffset3D offset = { 0, 0, 0 };
430 texture->mipmap[0].buffer = imageView->getOffsetPointer(offset, VK_IMAGE_ASPECT_PLANE_0_BIT, level, 0, ImageView::SAMPLING);
431 texture->mipmap[1].buffer = imageView->getOffsetPointer(offset, VK_IMAGE_ASPECT_PLANE_1_BIT, level, 0, ImageView::SAMPLING);
432 if(format.getAspects() & VK_IMAGE_ASPECT_PLANE_2_BIT)
433 {
434 texture->mipmap[2].buffer = imageView->getOffsetPointer(offset, VK_IMAGE_ASPECT_PLANE_2_BIT, level, 0, ImageView::SAMPLING);
435 }
436
437 VkExtent2D extent = imageView->getMipLevelExtent(0);
438
439 uint32_t width = extent.width;
440 uint32_t height = extent.height;
441 uint32_t pitchP0 = imageView->rowPitchBytes(VK_IMAGE_ASPECT_PLANE_0_BIT, level, ImageView::SAMPLING) /
442 imageView->getFormat(VK_IMAGE_ASPECT_PLANE_0_BIT).bytes();
443
444 // Write plane 0 parameters to mipmap level 0.
445 WriteTextureLevelInfo(texture, 0, width, height, 1, pitchP0, 0, 0, 0);
446
447 // Plane 2, if present, has equal parameters to plane 1, so we use mipmap level 1 for both.
448 uint32_t pitchP1 = imageView->rowPitchBytes(VK_IMAGE_ASPECT_PLANE_1_BIT, level, ImageView::SAMPLING) /
449 imageView->getFormat(VK_IMAGE_ASPECT_PLANE_1_BIT).bytes();
450
451 WriteTextureLevelInfo(texture, 1, width / 2, height / 2, 1, pitchP1, 0, 0, 0);
452 }
453 else
454 {
455 for(int mipmapLevel = 0; mipmapLevel < sw::MIPMAP_LEVELS; mipmapLevel++)
456 {
457 int level = sw::clamp(mipmapLevel, 0, (int)subresourceRange.levelCount - 1); // Level within the image view
458
459 VkImageAspectFlagBits aspect = static_cast<VkImageAspectFlagBits>(imageView->getSubresourceRange().aspectMask);
460 sw::Mipmap &mipmap = texture->mipmap[mipmapLevel];
461
462 if((imageView->getType() == VK_IMAGE_VIEW_TYPE_CUBE) ||
463 (imageView->getType() == VK_IMAGE_VIEW_TYPE_CUBE_ARRAY))
464 {
465 // Obtain the pointer to the corner of the level including the border, for seamless sampling.
466 // This is taken into account in the sampling routine, which can't handle negative texel coordinates.
467 VkOffset3D offset = { -1, -1, 0 };
468 mipmap.buffer = imageView->getOffsetPointer(offset, aspect, level, 0, ImageView::SAMPLING);
469 }
470 else
471 {
472 VkOffset3D offset = { 0, 0, 0 };
473 mipmap.buffer = imageView->getOffsetPointer(offset, aspect, level, 0, ImageView::SAMPLING);
474 }
475
476 VkExtent2D extent = imageView->getMipLevelExtent(level);
477
478 uint32_t width = extent.width;
479 uint32_t height = extent.height;
480 uint32_t layerCount = imageView->getSubresourceRange().layerCount;
481 uint32_t depth = imageView->getDepthOrLayerCount(level);
482 uint32_t bytes = format.bytes();
483 uint32_t pitchP = imageView->rowPitchBytes(aspect, level, ImageView::SAMPLING) / bytes;
484 uint32_t sliceP = (layerCount > 1 ? imageView->layerPitchBytes(aspect, ImageView::SAMPLING) : imageView->slicePitchBytes(aspect, level, ImageView::SAMPLING)) / bytes;
485 uint32_t samplePitchP = imageView->getMipLevelSize(aspect, level, ImageView::SAMPLING) / bytes;
486 uint32_t sampleMax = imageView->getSampleCount() - 1;
487
488 WriteTextureLevelInfo(texture, mipmapLevel, width, height, depth, pitchP, sliceP, samplePitchP, sampleMax);
489 }
490 }
491 }
492 }
493 else if(entry.descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_IMAGE ||
494 entry.descriptorType == VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT)
495 {
496 StorageImageDescriptor *storageImage = reinterpret_cast<StorageImageDescriptor *>(memToWrite);
497
498 for(uint32_t i = 0; i < entry.descriptorCount; i++)
499 {
500 const VkDescriptorImageInfo *update = reinterpret_cast<const VkDescriptorImageInfo *>(src + entry.offset + entry.stride * i);
501 vk::ImageView *imageView = vk::Cast(update->imageView);
502 const auto &extent = imageView->getMipLevelExtent(0);
503 uint32_t layerCount = imageView->getSubresourceRange().layerCount;
504
505 storageImage[i].imageViewId = imageView->id;
506 storageImage[i].ptr = imageView->getOffsetPointer({ 0, 0, 0 }, VK_IMAGE_ASPECT_COLOR_BIT, 0, 0);
507 storageImage[i].width = extent.width;
508 storageImage[i].height = extent.height;
509 storageImage[i].depth = imageView->getDepthOrLayerCount(0);
510 storageImage[i].rowPitchBytes = imageView->rowPitchBytes(VK_IMAGE_ASPECT_COLOR_BIT, 0);
511 storageImage[i].samplePitchBytes = imageView->slicePitchBytes(VK_IMAGE_ASPECT_COLOR_BIT, 0);
512 storageImage[i].slicePitchBytes = layerCount > 1
513 ? imageView->layerPitchBytes(VK_IMAGE_ASPECT_COLOR_BIT)
514 : imageView->slicePitchBytes(VK_IMAGE_ASPECT_COLOR_BIT, 0);
515 storageImage[i].sampleCount = imageView->getSampleCount();
516 storageImage[i].sizeInBytes = static_cast<int>(imageView->getSizeInBytes());
517 storageImage[i].memoryOwner = imageView;
518
519 if(imageView->getFormat().isStencil())
520 {
521 storageImage[i].stencilPtr = imageView->getOffsetPointer({ 0, 0, 0 }, VK_IMAGE_ASPECT_STENCIL_BIT, 0, 0);
522 storageImage[i].stencilRowPitchBytes = imageView->rowPitchBytes(VK_IMAGE_ASPECT_STENCIL_BIT, 0);
523 storageImage[i].stencilSamplePitchBytes = imageView->slicePitchBytes(VK_IMAGE_ASPECT_STENCIL_BIT, 0);
524 storageImage[i].stencilSlicePitchBytes = (imageView->getSubresourceRange().layerCount > 1)
525 ? imageView->layerPitchBytes(VK_IMAGE_ASPECT_STENCIL_BIT)
526 : imageView->slicePitchBytes(VK_IMAGE_ASPECT_STENCIL_BIT, 0);
527 }
528 }
529 }
530 else if(entry.descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER)
531 {
532 StorageImageDescriptor *storageImage = reinterpret_cast<StorageImageDescriptor *>(memToWrite);
533
534 for(uint32_t i = 0; i < entry.descriptorCount; i++)
535 {
536 const VkBufferView *update = reinterpret_cast<const VkBufferView *>(src + entry.offset + entry.stride * i);
537 const vk::BufferView *bufferView = vk::Cast(*update);
538
539 storageImage[i].imageViewId = bufferView->id;
540 storageImage[i].ptr = bufferView->getPointer();
541 storageImage[i].width = bufferView->getElementCount();
542 storageImage[i].height = 1;
543 storageImage[i].depth = 1;
544 storageImage[i].rowPitchBytes = 0;
545 storageImage[i].slicePitchBytes = 0;
546 storageImage[i].samplePitchBytes = 0;
547 storageImage[i].sampleCount = 1;
548 storageImage[i].sizeInBytes = bufferView->getRangeInBytes();
549 }
550 }
551 else if(entry.descriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER ||
552 entry.descriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC ||
553 entry.descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER ||
554 entry.descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC)
555 {
556 BufferDescriptor *bufferDescriptor = reinterpret_cast<BufferDescriptor *>(memToWrite);
557
558 for(uint32_t i = 0; i < entry.descriptorCount; i++)
559 {
560 const VkDescriptorBufferInfo *update = reinterpret_cast<const VkDescriptorBufferInfo *>(src + entry.offset + entry.stride * i);
561 const vk::Buffer *buffer = vk::Cast(update->buffer);
562 bufferDescriptor[i].ptr = buffer->getOffsetPointer(update->offset);
563 bufferDescriptor[i].sizeInBytes = static_cast<int>((update->range == VK_WHOLE_SIZE) ? buffer->getSize() - update->offset : update->range);
564
565 // TODO(b/195684837): The spec states that "vertexBufferRangeSize is the byte size of the memory
566 // range bound to the vertex buffer binding", while the code below uses the full size of the buffer.
567 bufferDescriptor[i].robustnessSize = static_cast<int>(buffer->getSize() - update->offset);
568 }
569 }
570 else if(entry.descriptorType == VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK)
571 {
572 memcpy(memToWrite, src + entry.offset, entry.descriptorCount);
573 }
574 }
575
WriteDescriptorSet(Device * device,const VkWriteDescriptorSet & writeDescriptorSet)576 void DescriptorSetLayout::WriteDescriptorSet(Device *device, const VkWriteDescriptorSet &writeDescriptorSet)
577 {
578 DescriptorSet *dstSet = vk::Cast(writeDescriptorSet.dstSet);
579 VkDescriptorUpdateTemplateEntry e;
580 e.descriptorType = writeDescriptorSet.descriptorType;
581 e.dstBinding = writeDescriptorSet.dstBinding;
582 e.dstArrayElement = writeDescriptorSet.dstArrayElement;
583 e.descriptorCount = writeDescriptorSet.descriptorCount;
584 e.offset = 0;
585 const void *ptr = nullptr;
586
587 switch(writeDescriptorSet.descriptorType)
588 {
589 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
590 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
591 ptr = writeDescriptorSet.pTexelBufferView;
592 e.stride = sizeof(VkBufferView);
593 break;
594
595 case VK_DESCRIPTOR_TYPE_SAMPLER:
596 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
597 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
598 case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
599 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
600 ptr = writeDescriptorSet.pImageInfo;
601 e.stride = sizeof(VkDescriptorImageInfo);
602 break;
603
604 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
605 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
606 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
607 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
608 ptr = writeDescriptorSet.pBufferInfo;
609 e.stride = sizeof(VkDescriptorBufferInfo);
610 break;
611
612 case VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK:
613 {
614 auto extInfo = reinterpret_cast<VkBaseInStructure const *>(writeDescriptorSet.pNext);
615 while(extInfo)
616 {
617 if(extInfo->sType == VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET_INLINE_UNIFORM_BLOCK)
618 {
619 // "The descriptorCount of VkDescriptorSetLayoutBinding thus provides the total
620 // number of bytes a particular binding with an inline uniform block descriptor
621 // type can hold, while the srcArrayElement, dstArrayElement, and descriptorCount
622 // members of VkWriteDescriptorSet, VkCopyDescriptorSet, and
623 // VkDescriptorUpdateTemplateEntry (where applicable) specify the byte offset and
624 // number of bytes to write/copy to the binding's backing store. Additionally,
625 // the stride member of VkDescriptorUpdateTemplateEntry is ignored for inline
626 // uniform blocks and a default value of one is used, meaning that the data to
627 // update inline uniform block bindings with must be contiguous in memory."
628 ptr = reinterpret_cast<const VkWriteDescriptorSetInlineUniformBlock *>(extInfo)->pData;
629 e.stride = 1;
630 break;
631 }
632 extInfo = extInfo->pNext;
633 }
634 }
635 break;
636
637 default:
638 UNSUPPORTED("descriptor type %u", writeDescriptorSet.descriptorType);
639 }
640
641 WriteDescriptorSet(device, dstSet, e, reinterpret_cast<const char *>(ptr));
642 }
643
CopyDescriptorSet(const VkCopyDescriptorSet & descriptorCopies)644 void DescriptorSetLayout::CopyDescriptorSet(const VkCopyDescriptorSet &descriptorCopies)
645 {
646 DescriptorSet *srcSet = vk::Cast(descriptorCopies.srcSet);
647 DescriptorSetLayout *srcLayout = srcSet->header.layout;
648 ASSERT(srcLayout);
649
650 DescriptorSet *dstSet = vk::Cast(descriptorCopies.dstSet);
651 DescriptorSetLayout *dstLayout = dstSet->header.layout;
652 ASSERT(dstLayout);
653
654 size_t srcTypeSize = 0;
655 uint8_t *memToRead = srcLayout->getDescriptorPointer(srcSet, descriptorCopies.srcBinding, descriptorCopies.srcArrayElement, descriptorCopies.descriptorCount, &srcTypeSize);
656
657 size_t dstTypeSize = 0;
658 uint8_t *memToWrite = dstLayout->getDescriptorPointer(dstSet, descriptorCopies.dstBinding, descriptorCopies.dstArrayElement, descriptorCopies.descriptorCount, &dstTypeSize);
659
660 ASSERT(srcTypeSize == dstTypeSize);
661 size_t writeSize = dstTypeSize * descriptorCopies.descriptorCount;
662 memcpy(memToWrite, memToRead, writeSize);
663 }
664
665 } // namespace vk
666