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descriptor_sets.cpp
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/* Copyright (c) 2015-2016 The Khronos Group Inc.
* Copyright (c) 2015-2016 Valve Corporation
* Copyright (c) 2015-2016 LunarG, Inc.
* Copyright (C) 2015-2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Tobin Ehlis <[email protected]>
*/
// Allow use of STL min and max functions in Windows
#define NOMINMAX
#include "descriptor_sets.h"
#include "vk_enum_string_helper.h"
#include "vk_safe_struct.h"
#include <sstream>
#include <algorithm>
// Construct DescriptorSetLayout instance from given create info
cvdescriptorset::DescriptorSetLayout::DescriptorSetLayout(const VkDescriptorSetLayoutCreateInfo *p_create_info,
const VkDescriptorSetLayout layout)
: layout_(layout), binding_count_(p_create_info->bindingCount), descriptor_count_(0), dynamic_descriptor_count_(0) {
// Dyn array indicies are ordered by binding # and array index of any array within the binding
// so we store up bindings w/ count in ordered map in order to create dyn array mappings below
std::map<uint32_t, uint32_t> binding_to_dyn_count;
for (uint32_t i = 0; i < binding_count_; ++i) {
auto binding_num = p_create_info->pBindings[i].binding;
descriptor_count_ += p_create_info->pBindings[i].descriptorCount;
uint32_t insert_index = 0; // Track vector index where we insert element
if (bindings_.empty() || binding_num > bindings_.back().binding) {
bindings_.push_back(safe_VkDescriptorSetLayoutBinding(&p_create_info->pBindings[i]));
insert_index = static_cast<uint32_t>(bindings_.size()) - 1;
} else { // out-of-order binding number, need to insert into vector in-order
auto it = bindings_.begin();
// Find currently binding's spot in vector
while (binding_num > it->binding) {
assert(it != bindings_.end());
++insert_index;
++it;
}
bindings_.insert(it, safe_VkDescriptorSetLayoutBinding(&p_create_info->pBindings[i]));
}
// In cases where we should ignore pImmutableSamplers make sure it's NULL
if ((p_create_info->pBindings[i].pImmutableSamplers) &&
((p_create_info->pBindings[i].descriptorType != VK_DESCRIPTOR_TYPE_SAMPLER) &&
(p_create_info->pBindings[i].descriptorType != VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER))) {
bindings_[insert_index].pImmutableSamplers = nullptr;
}
if (p_create_info->pBindings[i].descriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC ||
p_create_info->pBindings[i].descriptorType == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC) {
binding_to_dyn_count[p_create_info->pBindings[i].binding] = p_create_info->pBindings[i].descriptorCount;
dynamic_descriptor_count_ += p_create_info->pBindings[i].descriptorCount;
}
}
assert(bindings_.size() == binding_count_);
uint32_t global_index = 0;
// Vector order is finalized so create maps of bindings to indices
for (uint32_t i = 0; i < binding_count_; ++i) {
auto binding_num = bindings_[i].binding;
binding_to_index_map_[binding_num] = i;
binding_to_global_start_index_map_[binding_num] = global_index;
global_index += bindings_[i].descriptorCount ? bindings_[i].descriptorCount - 1 : 0;
binding_to_global_end_index_map_[binding_num] = global_index;
global_index += bindings_[i].descriptorCount ? 1 : 0;
}
// Now create dyn offset array mapping for any dynamic descriptors
uint32_t dyn_array_idx = 0;
for (const auto &bc_pair : binding_to_dyn_count) {
binding_to_dynamic_array_idx_map_[bc_pair.first] = dyn_array_idx;
dyn_array_idx += bc_pair.second;
}
}
// Validate descriptor set layout create info
bool cvdescriptorset::DescriptorSetLayout::ValidateCreateInfo(debug_report_data *report_data,
const VkDescriptorSetLayoutCreateInfo *create_info) {
bool skip = false;
std::unordered_set<uint32_t> bindings;
for (uint32_t i = 0; i < create_info->bindingCount; ++i) {
if (!bindings.insert(create_info->pBindings[i].binding).second) {
skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, __LINE__,
VALIDATION_ERROR_02345, "DS", "duplicated binding number in VkDescriptorSetLayoutBinding. %s",
validation_error_map[VALIDATION_ERROR_02345]);
}
}
return skip;
}
// put all bindings into the given set
void cvdescriptorset::DescriptorSetLayout::FillBindingSet(std::unordered_set<uint32_t> *binding_set) const {
for (auto binding_index_pair : binding_to_index_map_) binding_set->insert(binding_index_pair.first);
}
VkDescriptorSetLayoutBinding const *cvdescriptorset::DescriptorSetLayout::GetDescriptorSetLayoutBindingPtrFromBinding(
const uint32_t binding) const {
const auto &bi_itr = binding_to_index_map_.find(binding);
if (bi_itr != binding_to_index_map_.end()) {
return bindings_[bi_itr->second].ptr();
}
return nullptr;
}
VkDescriptorSetLayoutBinding const *cvdescriptorset::DescriptorSetLayout::GetDescriptorSetLayoutBindingPtrFromIndex(
const uint32_t index) const {
if (index >= bindings_.size()) return nullptr;
return bindings_[index].ptr();
}
// Return descriptorCount for given binding, 0 if index is unavailable
uint32_t cvdescriptorset::DescriptorSetLayout::GetDescriptorCountFromBinding(const uint32_t binding) const {
const auto &bi_itr = binding_to_index_map_.find(binding);
if (bi_itr != binding_to_index_map_.end()) {
return bindings_[bi_itr->second].descriptorCount;
}
return 0;
}
// Return descriptorCount for given index, 0 if index is unavailable
uint32_t cvdescriptorset::DescriptorSetLayout::GetDescriptorCountFromIndex(const uint32_t index) const {
if (index >= bindings_.size()) return 0;
return bindings_[index].descriptorCount;
}
// For the given binding, return descriptorType
VkDescriptorType cvdescriptorset::DescriptorSetLayout::GetTypeFromBinding(const uint32_t binding) const {
assert(binding_to_index_map_.count(binding));
const auto &bi_itr = binding_to_index_map_.find(binding);
if (bi_itr != binding_to_index_map_.end()) {
return bindings_[bi_itr->second].descriptorType;
}
return VK_DESCRIPTOR_TYPE_MAX_ENUM;
}
// For the given index, return descriptorType
VkDescriptorType cvdescriptorset::DescriptorSetLayout::GetTypeFromIndex(const uint32_t index) const {
assert(index < bindings_.size());
return bindings_[index].descriptorType;
}
// For the given global index, return descriptorType
// Currently just counting up through bindings_, may improve this in future
VkDescriptorType cvdescriptorset::DescriptorSetLayout::GetTypeFromGlobalIndex(const uint32_t index) const {
uint32_t global_offset = 0;
for (auto binding : bindings_) {
global_offset += binding.descriptorCount;
if (index < global_offset) return binding.descriptorType;
}
assert(0); // requested global index is out of bounds
return VK_DESCRIPTOR_TYPE_MAX_ENUM;
}
// For the given binding, return stageFlags
VkShaderStageFlags cvdescriptorset::DescriptorSetLayout::GetStageFlagsFromBinding(const uint32_t binding) const {
assert(binding_to_index_map_.count(binding));
const auto &bi_itr = binding_to_index_map_.find(binding);
if (bi_itr != binding_to_index_map_.end()) {
return bindings_[bi_itr->second].stageFlags;
}
return VkShaderStageFlags(0);
}
// For the given binding, return start index
uint32_t cvdescriptorset::DescriptorSetLayout::GetGlobalStartIndexFromBinding(const uint32_t binding) const {
assert(binding_to_global_start_index_map_.count(binding));
const auto &btgsi_itr = binding_to_global_start_index_map_.find(binding);
if (btgsi_itr != binding_to_global_start_index_map_.end()) {
return btgsi_itr->second;
}
// In error case max uint32_t so index is out of bounds to break ASAP
assert(0);
return 0xFFFFFFFF;
}
// For the given binding, return end index
uint32_t cvdescriptorset::DescriptorSetLayout::GetGlobalEndIndexFromBinding(const uint32_t binding) const {
assert(binding_to_global_end_index_map_.count(binding));
const auto &btgei_itr = binding_to_global_end_index_map_.find(binding);
if (btgei_itr != binding_to_global_end_index_map_.end()) {
return btgei_itr->second;
}
// In error case max uint32_t so index is out of bounds to break ASAP
assert(0);
return 0xFFFFFFFF;
}
// For given binding, return ptr to ImmutableSampler array
VkSampler const *cvdescriptorset::DescriptorSetLayout::GetImmutableSamplerPtrFromBinding(const uint32_t binding) const {
assert(binding_to_index_map_.count(binding));
const auto &bi_itr = binding_to_index_map_.find(binding);
if (bi_itr != binding_to_index_map_.end()) {
return bindings_[bi_itr->second].pImmutableSamplers;
}
return nullptr;
}
// For given index, return ptr to ImmutableSampler array
VkSampler const *cvdescriptorset::DescriptorSetLayout::GetImmutableSamplerPtrFromIndex(const uint32_t index) const {
assert(index < bindings_.size());
return bindings_[index].pImmutableSamplers;
}
// If our layout is compatible with rh_ds_layout, return true,
// else return false and fill in error_msg will description of what causes incompatibility
bool cvdescriptorset::DescriptorSetLayout::IsCompatible(const DescriptorSetLayout *rh_ds_layout, std::string *error_msg) const {
// Trivial case
if (layout_ == rh_ds_layout->GetDescriptorSetLayout()) return true;
if (descriptor_count_ != rh_ds_layout->descriptor_count_) {
std::stringstream error_str;
error_str << "DescriptorSetLayout " << layout_ << " has " << descriptor_count_ << " descriptors, but DescriptorSetLayout "
<< rh_ds_layout->GetDescriptorSetLayout() << " has " << rh_ds_layout->descriptor_count_ << " descriptors.";
*error_msg = error_str.str();
return false; // trivial fail case
}
// Descriptor counts match so need to go through bindings one-by-one
// and verify that type and stageFlags match
for (auto binding : bindings_) {
// TODO : Do we also need to check immutable samplers?
// VkDescriptorSetLayoutBinding *rh_binding;
if (binding.descriptorCount != rh_ds_layout->GetDescriptorCountFromBinding(binding.binding)) {
std::stringstream error_str;
error_str << "Binding " << binding.binding << " for DescriptorSetLayout " << layout_ << " has a descriptorCount of "
<< binding.descriptorCount << " but binding " << binding.binding << " for DescriptorSetLayout "
<< rh_ds_layout->GetDescriptorSetLayout() << " has a descriptorCount of "
<< rh_ds_layout->GetDescriptorCountFromBinding(binding.binding);
*error_msg = error_str.str();
return false;
} else if (binding.descriptorType != rh_ds_layout->GetTypeFromBinding(binding.binding)) {
std::stringstream error_str;
error_str << "Binding " << binding.binding << " for DescriptorSetLayout " << layout_ << " is type '"
<< string_VkDescriptorType(binding.descriptorType) << "' but binding " << binding.binding
<< " for DescriptorSetLayout " << rh_ds_layout->GetDescriptorSetLayout() << " is type '"
<< string_VkDescriptorType(rh_ds_layout->GetTypeFromBinding(binding.binding)) << "'";
*error_msg = error_str.str();
return false;
} else if (binding.stageFlags != rh_ds_layout->GetStageFlagsFromBinding(binding.binding)) {
std::stringstream error_str;
error_str << "Binding " << binding.binding << " for DescriptorSetLayout " << layout_ << " has stageFlags "
<< binding.stageFlags << " but binding " << binding.binding << " for DescriptorSetLayout "
<< rh_ds_layout->GetDescriptorSetLayout() << " has stageFlags "
<< rh_ds_layout->GetStageFlagsFromBinding(binding.binding);
*error_msg = error_str.str();
return false;
}
}
return true;
}
bool cvdescriptorset::DescriptorSetLayout::IsNextBindingConsistent(const uint32_t binding) const {
if (!binding_to_index_map_.count(binding + 1)) return false;
auto const &bi_itr = binding_to_index_map_.find(binding);
if (bi_itr != binding_to_index_map_.end()) {
const auto &next_bi_itr = binding_to_index_map_.find(binding + 1);
if (next_bi_itr != binding_to_index_map_.end()) {
auto type = bindings_[bi_itr->second].descriptorType;
auto stage_flags = bindings_[bi_itr->second].stageFlags;
auto immut_samp = bindings_[bi_itr->second].pImmutableSamplers ? true : false;
if ((type != bindings_[next_bi_itr->second].descriptorType) ||
(stage_flags != bindings_[next_bi_itr->second].stageFlags) ||
(immut_samp != (bindings_[next_bi_itr->second].pImmutableSamplers ? true : false))) {
return false;
}
return true;
}
}
return false;
}
// Starting at offset descriptor of given binding, parse over update_count
// descriptor updates and verify that for any binding boundaries that are crossed, the next binding(s) are all consistent
// Consistency means that their type, stage flags, and whether or not they use immutable samplers matches
// If so, return true. If not, fill in error_msg and return false
bool cvdescriptorset::DescriptorSetLayout::VerifyUpdateConsistency(uint32_t current_binding, uint32_t offset, uint32_t update_count,
const char *type, const VkDescriptorSet set,
std::string *error_msg) const {
// Verify consecutive bindings match (if needed)
auto orig_binding = current_binding;
// Track count of descriptors in the current_bindings that are remaining to be updated
auto binding_remaining = GetDescriptorCountFromBinding(current_binding);
// First, it's legal to offset beyond your own binding so handle that case
// Really this is just searching for the binding in which the update begins and adjusting offset accordingly
while (offset >= binding_remaining) {
// Advance to next binding, decrement offset by binding size
offset -= binding_remaining;
binding_remaining = GetDescriptorCountFromBinding(++current_binding);
}
binding_remaining -= offset;
while (update_count > binding_remaining) { // While our updates overstep current binding
// Verify next consecutive binding matches type, stage flags & immutable sampler use
if (!IsNextBindingConsistent(current_binding++)) {
std::stringstream error_str;
error_str << "Attempting " << type << " descriptor set " << set << " binding #" << orig_binding << " with #"
<< update_count << " descriptors being updated but this update oversteps the bounds of this binding and the "
"next binding is not consistent with current binding so this update is invalid.";
*error_msg = error_str.str();
return false;
}
// For sake of this check consider the bindings updated and grab count for next binding
update_count -= binding_remaining;
binding_remaining = GetDescriptorCountFromBinding(current_binding);
}
return true;
}
cvdescriptorset::AllocateDescriptorSetsData::AllocateDescriptorSetsData(uint32_t count)
: required_descriptors_by_type{}, layout_nodes(count, nullptr) {}
cvdescriptorset::DescriptorSet::DescriptorSet(const VkDescriptorSet set, const VkDescriptorPool pool,
const DescriptorSetLayout *layout, const core_validation::layer_data *dev_data)
: some_update_(false), set_(set), pool_state_(nullptr), p_layout_(layout), device_data_(dev_data) {
pool_state_ = getDescriptorPoolState(dev_data, pool);
// Foreach binding, create default descriptors of given type
for (uint32_t i = 0; i < p_layout_->GetBindingCount(); ++i) {
auto type = p_layout_->GetTypeFromIndex(i);
switch (type) {
case VK_DESCRIPTOR_TYPE_SAMPLER: {
auto immut_sampler = p_layout_->GetImmutableSamplerPtrFromIndex(i);
for (uint32_t di = 0; di < p_layout_->GetDescriptorCountFromIndex(i); ++di) {
if (immut_sampler)
descriptors_.emplace_back(new SamplerDescriptor(immut_sampler + di));
else
descriptors_.emplace_back(new SamplerDescriptor());
}
break;
}
case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: {
auto immut = p_layout_->GetImmutableSamplerPtrFromIndex(i);
for (uint32_t di = 0; di < p_layout_->GetDescriptorCountFromIndex(i); ++di) {
if (immut)
descriptors_.emplace_back(new ImageSamplerDescriptor(immut + di));
else
descriptors_.emplace_back(new ImageSamplerDescriptor());
}
break;
}
// ImageDescriptors
case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
for (uint32_t di = 0; di < p_layout_->GetDescriptorCountFromIndex(i); ++di)
descriptors_.emplace_back(new ImageDescriptor(type));
break;
case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
for (uint32_t di = 0; di < p_layout_->GetDescriptorCountFromIndex(i); ++di)
descriptors_.emplace_back(new TexelDescriptor(type));
break;
case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
for (uint32_t di = 0; di < p_layout_->GetDescriptorCountFromIndex(i); ++di)
descriptors_.emplace_back(new BufferDescriptor(type));
break;
default:
assert(0); // Bad descriptor type specified
break;
}
}
}
cvdescriptorset::DescriptorSet::~DescriptorSet() { InvalidateBoundCmdBuffers(); }
static std::string string_descriptor_req_view_type(descriptor_req req) {
std::string result("");
for (unsigned i = 0; i <= VK_IMAGE_VIEW_TYPE_END_RANGE; i++) {
if (req & (1 << i)) {
if (result.size()) result += ", ";
result += string_VkImageViewType(VkImageViewType(i));
}
}
if (!result.size()) result = "(none)";
return result;
}
// Is this sets underlying layout compatible with passed in layout according to "Pipeline Layout Compatibility" in spec?
bool cvdescriptorset::DescriptorSet::IsCompatible(const DescriptorSetLayout *layout, std::string *error) const {
return layout->IsCompatible(p_layout_, error);
}
// Validate that the state of this set is appropriate for the given bindings and dynamic_offsets at Draw time
// This includes validating that all descriptors in the given bindings are updated,
// that any update buffers are valid, and that any dynamic offsets are within the bounds of their buffers.
// Return true if state is acceptable, or false and write an error message into error string
bool cvdescriptorset::DescriptorSet::ValidateDrawState(const std::map<uint32_t, descriptor_req> &bindings,
const std::vector<uint32_t> &dynamic_offsets, std::string *error) const {
for (auto binding_pair : bindings) {
auto binding = binding_pair.first;
if (!p_layout_->HasBinding(binding)) {
std::stringstream error_str;
error_str << "Attempting to validate DrawState for binding #" << binding
<< " which is an invalid binding for this descriptor set.";
*error = error_str.str();
return false;
}
auto start_idx = p_layout_->GetGlobalStartIndexFromBinding(binding);
if (descriptors_[start_idx]->IsImmutableSampler()) {
// Nothing to do for strictly immutable sampler
} else {
auto end_idx = p_layout_->GetGlobalEndIndexFromBinding(binding);
auto array_idx = 0; // Track array idx if we're dealing with array descriptors
for (uint32_t i = start_idx; i <= end_idx; ++i, ++array_idx) {
if (!descriptors_[i]->updated) {
std::stringstream error_str;
error_str << "Descriptor in binding #" << binding << " at global descriptor index " << i
<< " is being used in draw but has not been updated.";
*error = error_str.str();
return false;
} else {
auto descriptor_class = descriptors_[i]->GetClass();
if (descriptor_class == GeneralBuffer) {
// Verify that buffers are valid
auto buffer = static_cast<BufferDescriptor *>(descriptors_[i].get())->GetBuffer();
auto buffer_node = getBufferState(device_data_, buffer);
if (!buffer_node) {
std::stringstream error_str;
error_str << "Descriptor in binding #" << binding << " at global descriptor index " << i
<< " references invalid buffer " << buffer << ".";
*error = error_str.str();
return false;
} else {
for (auto mem_binding : buffer_node->GetBoundMemory()) {
if (!getMemObjInfo(device_data_, mem_binding)) {
std::stringstream error_str;
error_str << "Descriptor in binding #" << binding << " at global descriptor index " << i
<< " uses buffer " << buffer << " that references invalid memory " << mem_binding
<< ".";
*error = error_str.str();
return false;
}
}
}
if (descriptors_[i]->IsDynamic()) {
// Validate that dynamic offsets are within the buffer
auto buffer_size = buffer_node->createInfo.size;
auto range = static_cast<BufferDescriptor *>(descriptors_[i].get())->GetRange();
auto desc_offset = static_cast<BufferDescriptor *>(descriptors_[i].get())->GetOffset();
auto dyn_offset = dynamic_offsets[GetDynamicOffsetIndexFromBinding(binding) + array_idx];
if (VK_WHOLE_SIZE == range) {
if ((dyn_offset + desc_offset) > buffer_size) {
std::stringstream error_str;
error_str << "Dynamic descriptor in binding #" << binding << " at global descriptor index " << i
<< " uses buffer " << buffer
<< " with update range of VK_WHOLE_SIZE has dynamic offset " << dyn_offset
<< " combined with offset " << desc_offset << " that oversteps the buffer size of "
<< buffer_size << ".";
*error = error_str.str();
return false;
}
} else {
if ((dyn_offset + desc_offset + range) > buffer_size) {
std::stringstream error_str;
error_str << "Dynamic descriptor in binding #" << binding << " at global descriptor index " << i
<< " uses buffer " << buffer << " with dynamic offset " << dyn_offset
<< " combined with offset " << desc_offset << " and range " << range
<< " that oversteps the buffer size of " << buffer_size << ".";
*error = error_str.str();
return false;
}
}
}
} else if (descriptor_class == ImageSampler || descriptor_class == Image) {
auto image_view = (descriptor_class == ImageSampler)
? static_cast<ImageSamplerDescriptor *>(descriptors_[i].get())->GetImageView()
: static_cast<ImageDescriptor *>(descriptors_[i].get())->GetImageView();
auto reqs = binding_pair.second;
auto image_view_state = getImageViewState(device_data_, image_view);
assert(image_view_state);
auto image_view_ci = image_view_state->create_info;
if ((reqs & DESCRIPTOR_REQ_ALL_VIEW_TYPE_BITS) && (~reqs & (1 << image_view_ci.viewType))) {
// bad view type
std::stringstream error_str;
error_str << "Descriptor in binding #" << binding << " at global descriptor index " << i
<< " requires an image view of type " << string_descriptor_req_view_type(reqs) << " but got "
<< string_VkImageViewType(image_view_ci.viewType) << ".";
*error = error_str.str();
return false;
}
auto image_node = getImageState(device_data_, image_view_ci.image);
assert(image_node);
if ((reqs & DESCRIPTOR_REQ_SINGLE_SAMPLE) && image_node->createInfo.samples != VK_SAMPLE_COUNT_1_BIT) {
std::stringstream error_str;
error_str << "Descriptor in binding #" << binding << " at global descriptor index " << i
<< " requires bound image to have VK_SAMPLE_COUNT_1_BIT but got "
<< string_VkSampleCountFlagBits(image_node->createInfo.samples) << ".";
*error = error_str.str();
return false;
}
if ((reqs & DESCRIPTOR_REQ_MULTI_SAMPLE) && image_node->createInfo.samples == VK_SAMPLE_COUNT_1_BIT) {
std::stringstream error_str;
error_str << "Descriptor in binding #" << binding << " at global descriptor index " << i
<< " requires bound image to have multiple samples, but got VK_SAMPLE_COUNT_1_BIT.";
*error = error_str.str();
return false;
}
}
}
}
}
}
return true;
}
// For given bindings, place any update buffers or images into the passed-in unordered_sets
uint32_t cvdescriptorset::DescriptorSet::GetStorageUpdates(const std::map<uint32_t, descriptor_req> &bindings,
std::unordered_set<VkBuffer> *buffer_set,
std::unordered_set<VkImageView> *image_set) const {
auto num_updates = 0;
for (auto binding_pair : bindings) {
auto binding = binding_pair.first;
// If a binding doesn't exist, skip it
if (!p_layout_->HasBinding(binding)) {
continue;
}
auto start_idx = p_layout_->GetGlobalStartIndexFromBinding(binding);
if (descriptors_[start_idx]->IsStorage()) {
if (Image == descriptors_[start_idx]->descriptor_class) {
for (uint32_t i = 0; i < p_layout_->GetDescriptorCountFromBinding(binding); ++i) {
if (descriptors_[start_idx + i]->updated) {
image_set->insert(static_cast<ImageDescriptor *>(descriptors_[start_idx + i].get())->GetImageView());
num_updates++;
}
}
} else if (TexelBuffer == descriptors_[start_idx]->descriptor_class) {
for (uint32_t i = 0; i < p_layout_->GetDescriptorCountFromBinding(binding); ++i) {
if (descriptors_[start_idx + i]->updated) {
auto bufferview = static_cast<TexelDescriptor *>(descriptors_[start_idx + i].get())->GetBufferView();
auto bv_state = getBufferViewState(device_data_, bufferview);
if (bv_state) {
buffer_set->insert(bv_state->create_info.buffer);
num_updates++;
}
}
}
} else if (GeneralBuffer == descriptors_[start_idx]->descriptor_class) {
for (uint32_t i = 0; i < p_layout_->GetDescriptorCountFromBinding(binding); ++i) {
if (descriptors_[start_idx + i]->updated) {
buffer_set->insert(static_cast<BufferDescriptor *>(descriptors_[start_idx + i].get())->GetBuffer());
num_updates++;
}
}
}
}
}
return num_updates;
}
// Set is being deleted or updates so invalidate all bound cmd buffers
void cvdescriptorset::DescriptorSet::InvalidateBoundCmdBuffers() {
core_validation::invalidateCommandBuffers(device_data_, cb_bindings,
{reinterpret_cast<uint64_t &>(set_), VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT});
}
// Perform write update in given update struct
void cvdescriptorset::DescriptorSet::PerformWriteUpdate(const VkWriteDescriptorSet *update) {
// Perform update on a per-binding basis as consecutive updates roll over to next binding
auto descriptors_remaining = update->descriptorCount;
auto binding_being_updated = update->dstBinding;
auto offset = update->dstArrayElement;
while (descriptors_remaining) {
uint32_t update_count = std::min(descriptors_remaining, GetDescriptorCountFromBinding(binding_being_updated));
auto global_idx = p_layout_->GetGlobalStartIndexFromBinding(binding_being_updated) + offset;
// Loop over the updates for a single binding at a time
for (uint32_t di = 0; di < update_count; ++di) {
descriptors_[global_idx + di]->WriteUpdate(update, di);
}
// Roll over to next binding in case of consecutive update
descriptors_remaining -= update_count;
offset = 0;
binding_being_updated++;
}
if (update->descriptorCount) some_update_ = true;
InvalidateBoundCmdBuffers();
}
// Validate Copy update
bool cvdescriptorset::DescriptorSet::ValidateCopyUpdate(const debug_report_data *report_data, const VkCopyDescriptorSet *update,
const DescriptorSet *src_set, UNIQUE_VALIDATION_ERROR_CODE *error_code,
std::string *error_msg) {
// Verify idle ds
if (in_use.load()) {
// TODO : Re-using Free Idle error code, need copy update idle error code
*error_code = VALIDATION_ERROR_00919;
std::stringstream error_str;
error_str << "Cannot call vkUpdateDescriptorSets() to perform copy update on descriptor set " << set_
<< " that is in use by a command buffer";
*error_msg = error_str.str();
return false;
}
if (!p_layout_->HasBinding(update->dstBinding)) {
*error_code = VALIDATION_ERROR_00966;
std::stringstream error_str;
error_str << "DescriptorSet " << set_ << " does not have copy update dest binding of " << update->dstBinding;
*error_msg = error_str.str();
return false;
}
if (!src_set->HasBinding(update->srcBinding)) {
*error_code = VALIDATION_ERROR_00964;
std::stringstream error_str;
error_str << "DescriptorSet " << set_ << " does not have copy update src binding of " << update->srcBinding;
*error_msg = error_str.str();
return false;
}
// src & dst set bindings are valid
// Check bounds of src & dst
auto src_start_idx = src_set->GetGlobalStartIndexFromBinding(update->srcBinding) + update->srcArrayElement;
if ((src_start_idx + update->descriptorCount) > src_set->GetTotalDescriptorCount()) {
// SRC update out of bounds
*error_code = VALIDATION_ERROR_00965;
std::stringstream error_str;
error_str << "Attempting copy update from descriptorSet " << update->srcSet << " binding#" << update->srcBinding
<< " with offset index of " << src_set->GetGlobalStartIndexFromBinding(update->srcBinding)
<< " plus update array offset of " << update->srcArrayElement << " and update of " << update->descriptorCount
<< " descriptors oversteps total number of descriptors in set: " << src_set->GetTotalDescriptorCount();
*error_msg = error_str.str();
return false;
}
auto dst_start_idx = p_layout_->GetGlobalStartIndexFromBinding(update->dstBinding) + update->dstArrayElement;
if ((dst_start_idx + update->descriptorCount) > p_layout_->GetTotalDescriptorCount()) {
// DST update out of bounds
*error_code = VALIDATION_ERROR_00967;
std::stringstream error_str;
error_str << "Attempting copy update to descriptorSet " << set_ << " binding#" << update->dstBinding
<< " with offset index of " << p_layout_->GetGlobalStartIndexFromBinding(update->dstBinding)
<< " plus update array offset of " << update->dstArrayElement << " and update of " << update->descriptorCount
<< " descriptors oversteps total number of descriptors in set: " << p_layout_->GetTotalDescriptorCount();
*error_msg = error_str.str();
return false;
}
// Check that types match
// TODO : Base default error case going from here is VALIDATION_ERROR_00968 which covers all consistency issues, need more
// fine-grained error codes
*error_code = VALIDATION_ERROR_00968;
auto src_type = src_set->GetTypeFromBinding(update->srcBinding);
auto dst_type = p_layout_->GetTypeFromBinding(update->dstBinding);
if (src_type != dst_type) {
std::stringstream error_str;
error_str << "Attempting copy update to descriptorSet " << set_ << " binding #" << update->dstBinding << " with type "
<< string_VkDescriptorType(dst_type) << " from descriptorSet " << src_set->GetSet() << " binding #"
<< update->srcBinding << " with type " << string_VkDescriptorType(src_type) << ". Types do not match";
*error_msg = error_str.str();
return false;
}
// Verify consistency of src & dst bindings if update crosses binding boundaries
if ((!src_set->GetLayout()->VerifyUpdateConsistency(update->srcBinding, update->srcArrayElement, update->descriptorCount,
"copy update from", src_set->GetSet(), error_msg)) ||
(!p_layout_->VerifyUpdateConsistency(update->dstBinding, update->dstArrayElement, update->descriptorCount, "copy update to",
set_, error_msg))) {
return false;
}
// First make sure source descriptors are updated
for (uint32_t i = 0; i < update->descriptorCount; ++i) {
if (!src_set->descriptors_[src_start_idx + i]) {
std::stringstream error_str;
error_str << "Attempting copy update from descriptorSet " << src_set << " binding #" << update->srcBinding
<< " but descriptor at array offset " << update->srcArrayElement + i << " has not been updated";
*error_msg = error_str.str();
return false;
}
}
// Update parameters all look good and descriptor updated so verify update contents
if (!VerifyCopyUpdateContents(update, src_set, src_type, src_start_idx, error_code, error_msg)) return false;
// All checks passed so update is good
return true;
}
// Perform Copy update
void cvdescriptorset::DescriptorSet::PerformCopyUpdate(const VkCopyDescriptorSet *update, const DescriptorSet *src_set) {
auto src_start_idx = src_set->GetGlobalStartIndexFromBinding(update->srcBinding) + update->srcArrayElement;
auto dst_start_idx = p_layout_->GetGlobalStartIndexFromBinding(update->dstBinding) + update->dstArrayElement;
// Update parameters all look good so perform update
for (uint32_t di = 0; di < update->descriptorCount; ++di) {
descriptors_[dst_start_idx + di]->CopyUpdate(src_set->descriptors_[src_start_idx + di].get());
}
if (update->descriptorCount) some_update_ = true;
InvalidateBoundCmdBuffers();
}
// Bind cb_node to this set and this set to cb_node.
// Prereq: This should be called for a set that has been confirmed to be active for the given cb_node, meaning it's going
// to be used in a draw by the given cb_node
void cvdescriptorset::DescriptorSet::BindCommandBuffer(GLOBAL_CB_NODE *cb_node,
const std::map<uint32_t, descriptor_req> &binding_req_map) {
// bind cb to this descriptor set
cb_bindings.insert(cb_node);
// Add bindings for descriptor set, the set's pool, and individual objects in the set
cb_node->object_bindings.insert({reinterpret_cast<uint64_t &>(set_), VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT});
pool_state_->cb_bindings.insert(cb_node);
cb_node->object_bindings.insert(
{reinterpret_cast<uint64_t &>(pool_state_->pool), VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_POOL_EXT});
// For the active slots, use set# to look up descriptorSet from boundDescriptorSets, and bind all of that descriptor set's
// resources
for (auto binding_req_pair : binding_req_map) {
auto binding = binding_req_pair.first;
auto start_idx = p_layout_->GetGlobalStartIndexFromBinding(binding);
auto end_idx = p_layout_->GetGlobalEndIndexFromBinding(binding);
for (uint32_t i = start_idx; i <= end_idx; ++i) {
descriptors_[i]->BindCommandBuffer(device_data_, cb_node);
}
}
}
cvdescriptorset::SamplerDescriptor::SamplerDescriptor() : sampler_(VK_NULL_HANDLE), immutable_(false) {
updated = false;
descriptor_class = PlainSampler;
};
cvdescriptorset::SamplerDescriptor::SamplerDescriptor(const VkSampler *immut) : sampler_(VK_NULL_HANDLE), immutable_(false) {
updated = false;
descriptor_class = PlainSampler;
if (immut) {
sampler_ = *immut;
immutable_ = true;
updated = true;
}
}
// Validate given sampler. Currently this only checks to make sure it exists in the samplerMap
bool cvdescriptorset::ValidateSampler(const VkSampler sampler, const core_validation::layer_data *dev_data) {
return (getSamplerState(dev_data, sampler) != nullptr);
}
bool cvdescriptorset::ValidateImageUpdate(VkImageView image_view, VkImageLayout image_layout, VkDescriptorType type,
const core_validation::layer_data *dev_data, UNIQUE_VALIDATION_ERROR_CODE *error_code,
std::string *error_msg) {
// TODO : Defaulting to 00943 for all cases here. Need to create new error codes for various cases.
*error_code = VALIDATION_ERROR_00943;
auto iv_state = getImageViewState(dev_data, image_view);
if (!iv_state) {
std::stringstream error_str;
error_str << "Invalid VkImageView: " << image_view;
*error_msg = error_str.str();
return false;
}
// Note that when an imageview is created, we validated that memory is bound so no need to re-check here
// Validate that imageLayout is compatible with aspect_mask and image format
// and validate that image usage bits are correct for given usage
VkImageAspectFlags aspect_mask = iv_state->create_info.subresourceRange.aspectMask;
VkImage image = iv_state->create_info.image;
VkFormat format = VK_FORMAT_MAX_ENUM;
VkImageUsageFlags usage = 0;
auto image_node = getImageState(dev_data, image);
if (image_node) {
format = image_node->createInfo.format;
usage = image_node->createInfo.usage;
// Validate that memory is bound to image
// TODO: This should have its own valid usage id apart from 2524 which is from CreateImageView case. The only
// the error here occurs is if memory bound to a created imageView has been freed.
if (ValidateMemoryIsBoundToImage(dev_data, image_node, "vkUpdateDescriptorSets()", VALIDATION_ERROR_02524)) {
*error_code = VALIDATION_ERROR_02524;
*error_msg = "No memory bound to image.";
return false;
}
} else {
// Also need to check the swapchains.
auto swapchain = getSwapchainFromImage(dev_data, image);
if (swapchain) {
auto swapchain_node = getSwapchainNode(dev_data, swapchain);
if (swapchain_node) {
format = swapchain_node->createInfo.imageFormat;
}
}
}
// First validate that format and layout are compatible
if (format == VK_FORMAT_MAX_ENUM) {
std::stringstream error_str;
error_str << "Invalid image (" << image << ") in imageView (" << image_view << ").";
*error_msg = error_str.str();
return false;
}
// TODO : The various image aspect and format checks here are based on general spec language in 11.5 Image Views section under
// vkCreateImageView(). What's the best way to create unique id for these cases?
bool ds = vk_format_is_depth_or_stencil(format);
switch (image_layout) {
case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL:
// Only Color bit must be set
if ((aspect_mask & VK_IMAGE_ASPECT_COLOR_BIT) != VK_IMAGE_ASPECT_COLOR_BIT) {
std::stringstream error_str;
error_str << "ImageView (" << image_view << ") uses layout VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL but does "
"not have VK_IMAGE_ASPECT_COLOR_BIT set.";
*error_msg = error_str.str();
return false;
}
// format must NOT be DS
if (ds) {
std::stringstream error_str;
error_str << "ImageView (" << image_view
<< ") uses layout VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL but the image format is "
<< string_VkFormat(format) << " which is not a color format.";
*error_msg = error_str.str();
return false;
}
break;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
// Depth or stencil bit must be set, but both must NOT be set
if (aspect_mask & VK_IMAGE_ASPECT_DEPTH_BIT) {
if (aspect_mask & VK_IMAGE_ASPECT_STENCIL_BIT) {
// both must NOT be set
std::stringstream error_str;
error_str << "ImageView (" << image_view << ") has both STENCIL and DEPTH aspects set";
*error_msg = error_str.str();
return false;
}
} else if (!(aspect_mask & VK_IMAGE_ASPECT_STENCIL_BIT)) {
// Neither were set
std::stringstream error_str;
error_str << "ImageView (" << image_view << ") has layout " << string_VkImageLayout(image_layout)
<< " but does not have STENCIL or DEPTH aspects set";
*error_msg = error_str.str();
return false;
}
// format must be DS
if (!ds) {
std::stringstream error_str;
error_str << "ImageView (" << image_view << ") has layout " << string_VkImageLayout(image_layout)
<< " but the image format is " << string_VkFormat(format) << " which is not a depth/stencil format.";
*error_msg = error_str.str();
return false;
}
break;
default:
// For other layouts if the source is depth/stencil image, both aspect bits must not be set
if (ds) {
if (aspect_mask & VK_IMAGE_ASPECT_DEPTH_BIT) {
if (aspect_mask & VK_IMAGE_ASPECT_STENCIL_BIT) {
// both must NOT be set
std::stringstream error_str;
error_str << "ImageView (" << image_view << ") has layout " << string_VkImageLayout(image_layout)
<< " and is using depth/stencil image of format " << string_VkFormat(format)
<< " but it has both STENCIL and DEPTH aspects set, which is illegal. When using a depth/stencil "
"image in a descriptor set, please only set either VK_IMAGE_ASPECT_DEPTH_BIT or "
"VK_IMAGE_ASPECT_STENCIL_BIT depending on whether it will be used for depth reads or stencil "
"reads respectively.";
*error_msg = error_str.str();
return false;
}
}
}
break;
}
// Now validate that usage flags are correctly set for given type of update
// As we're switching per-type, if any type has specific layout requirements, check those here as well
// TODO : The various image usage bit requirements are in general spec language for VkImageUsageFlags bit block in 11.3 Images
// under vkCreateImage()
// TODO : Need to also validate case VALIDATION_ERROR_00952 where STORAGE_IMAGE & INPUT_ATTACH types must have been created with
// identify swizzle
std::string error_usage_bit;
switch (type) {
case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: {
if (!(usage & VK_IMAGE_USAGE_SAMPLED_BIT)) {
error_usage_bit = "VK_IMAGE_USAGE_SAMPLED_BIT";
}
break;
}
case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE: {
if (!(usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
error_usage_bit = "VK_IMAGE_USAGE_STORAGE_BIT";
} else if (VK_IMAGE_LAYOUT_GENERAL != image_layout) {
std::stringstream error_str;
// TODO : Need to create custom enum error code for this case
error_str
<< "ImageView (" << image_view << ") of VK_DESCRIPTOR_TYPE_STORAGE_IMAGE type is being updated with layout "
<< string_VkImageLayout(image_layout)
<< " but according to spec section 13.1 Descriptor Types, 'Load and store operations on storage images can "
"only be done on images in VK_IMAGE_LAYOUT_GENERAL layout.'";
*error_msg = error_str.str();
return false;
}
break;
}
case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT: {
if (!(usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT)) {
error_usage_bit = "VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT";
}
break;
}
default:
break;
}
if (!error_usage_bit.empty()) {
std::stringstream error_str;
error_str << "ImageView (" << image_view << ") with usage mask 0x" << usage
<< " being used for a descriptor update of type " << string_VkDescriptorType(type) << " does not have "
<< error_usage_bit << " set.";
*error_msg = error_str.str();
return false;
}
return true;
}
void cvdescriptorset::SamplerDescriptor::WriteUpdate(const VkWriteDescriptorSet *update, const uint32_t index) {
sampler_ = update->pImageInfo[index].sampler;
updated = true;
}
void cvdescriptorset::SamplerDescriptor::CopyUpdate(const Descriptor *src) {
if (!immutable_) {
auto update_sampler = static_cast<const SamplerDescriptor *>(src)->sampler_;
sampler_ = update_sampler;
}
updated = true;
}
void cvdescriptorset::SamplerDescriptor::BindCommandBuffer(const core_validation::layer_data *dev_data, GLOBAL_CB_NODE *cb_node) {
if (!immutable_) {
auto sampler_state = getSamplerState(dev_data, sampler_);
if (sampler_state) core_validation::AddCommandBufferBindingSampler(cb_node, sampler_state);
}
}
cvdescriptorset::ImageSamplerDescriptor::ImageSamplerDescriptor()
: sampler_(VK_NULL_HANDLE), immutable_(false), image_view_(VK_NULL_HANDLE), image_layout_(VK_IMAGE_LAYOUT_UNDEFINED) {
updated = false;
descriptor_class = ImageSampler;
}
cvdescriptorset::ImageSamplerDescriptor::ImageSamplerDescriptor(const VkSampler *immut)
: sampler_(VK_NULL_HANDLE), immutable_(true), image_view_(VK_NULL_HANDLE), image_layout_(VK_IMAGE_LAYOUT_UNDEFINED) {
updated = false;
descriptor_class = ImageSampler;
if (immut) {
sampler_ = *immut;
immutable_ = true;
updated = true;
}
}
void cvdescriptorset::ImageSamplerDescriptor::WriteUpdate(const VkWriteDescriptorSet *update, const uint32_t index) {
updated = true;
const auto &image_info = update->pImageInfo[index];
sampler_ = image_info.sampler;
image_view_ = image_info.imageView;
image_layout_ = image_info.imageLayout;
}
void cvdescriptorset::ImageSamplerDescriptor::CopyUpdate(const Descriptor *src) {
if (!immutable_) {
auto update_sampler = static_cast<const ImageSamplerDescriptor *>(src)->sampler_;
sampler_ = update_sampler;
}
auto image_view = static_cast<const ImageSamplerDescriptor *>(src)->image_view_;
auto image_layout = static_cast<const ImageSamplerDescriptor *>(src)->image_layout_;
updated = true;
image_view_ = image_view;
image_layout_ = image_layout;
}
void cvdescriptorset::ImageSamplerDescriptor::BindCommandBuffer(const core_validation::layer_data *dev_data,
GLOBAL_CB_NODE *cb_node) {
// First add binding for any non-immutable sampler
if (!immutable_) {
auto sampler_state = getSamplerState(dev_data, sampler_);
if (sampler_state) core_validation::AddCommandBufferBindingSampler(cb_node, sampler_state);
}
// Add binding for image
auto iv_state = getImageViewState(dev_data, image_view_);
if (iv_state) {
core_validation::AddCommandBufferBindingImageView(dev_data, cb_node, iv_state);
}
}
cvdescriptorset::ImageDescriptor::ImageDescriptor(const VkDescriptorType type)
: storage_(false), image_view_(VK_NULL_HANDLE), image_layout_(VK_IMAGE_LAYOUT_UNDEFINED) {
updated = false;
descriptor_class = Image;
if (VK_DESCRIPTOR_TYPE_STORAGE_IMAGE == type) storage_ = true;
};
void cvdescriptorset::ImageDescriptor::WriteUpdate(const VkWriteDescriptorSet *update, const uint32_t index) {
updated = true;
const auto &image_info = update->pImageInfo[index];
image_view_ = image_info.imageView;
image_layout_ = image_info.imageLayout;
}
void cvdescriptorset::ImageDescriptor::CopyUpdate(const Descriptor *src) {
auto image_view = static_cast<const ImageDescriptor *>(src)->image_view_;
auto image_layout = static_cast<const ImageDescriptor *>(src)->image_layout_;
updated = true;
image_view_ = image_view;
image_layout_ = image_layout;
}
void cvdescriptorset::ImageDescriptor::BindCommandBuffer(const core_validation::layer_data *dev_data, GLOBAL_CB_NODE *cb_node) {
// Add binding for image
auto iv_state = getImageViewState(dev_data, image_view_);
if (iv_state) {
core_validation::AddCommandBufferBindingImageView(dev_data, cb_node, iv_state);
}
}
cvdescriptorset::BufferDescriptor::BufferDescriptor(const VkDescriptorType type)
: storage_(false), dynamic_(false), buffer_(VK_NULL_HANDLE), offset_(0), range_(0) {
updated = false;
descriptor_class = GeneralBuffer;
if (VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC == type) {