| /* Copyright (c) 2015-2026 The Khronos Group Inc. |
| * Copyright (c) 2015-2026 Valve Corporation |
| * Copyright (c) 2015-2026 LunarG, Inc. |
| * Copyright (C) 2015-2026 Google Inc. |
| * Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| #include "state_tracker/pipeline_layout_state.h" |
| |
| #include "error_message/error_strings.h" |
| #include "state_tracker/state_tracker.h" |
| #include "state_tracker/descriptor_sets.h" |
| |
| // NOTE: The following canonical id dictionaries are global and thread-safe objects: |
| // pipeline_layout_set_layouts_dict |
| // pipeline_layout_compat_dict |
| // push_constant_ranges_dict |
| // |
| // So far we did not have any issues with them. However, we had issues with DescriptorSetLayoutId |
| // canonical ids (can survice between test sessions and then incorrectly accessed by another device). |
| // That issue was solved by making DescriptorSetLayoutId dictionary local to DeviceState |
| // (DeviceState::descriptor_set_layout_canonical_ids_). If there are any issues with these global |
| // maps consider making them per-device or per-instance state. |
| |
| // Dictionary of canonical form of the pipeline set layout of descriptor set layouts |
| static PipelineLayoutSetLayoutsDict pipeline_layout_set_layouts_dict; |
| |
| // Dictionary of canonical form of the "compatible for set" records |
| static PipelineLayoutCompatDict pipeline_layout_compat_dict; |
| |
| static PushConstantRangesDict push_constant_ranges_dict; |
| |
| size_t PipelineLayoutCompatDef::hash() const { |
| hash_util::HashCombiner hc; |
| // The set number is integral to the CompatDef's distinctiveness |
| hc << set << push_constant_ranges.get() << is_independent_sets; |
| const auto &descriptor_set_layouts = *set_layouts_id.get(); |
| for (uint32_t i = 0; i <= set; i++) { |
| hc << descriptor_set_layouts[i].get(); |
| } |
| return hc.Value(); |
| } |
| |
| bool PipelineLayoutCompatDef::operator==(const PipelineLayoutCompatDef &other) const { |
| if ((set != other.set) || (push_constant_ranges != other.push_constant_ranges) || |
| (is_independent_sets != other.is_independent_sets)) { |
| return false; |
| } |
| |
| if (set_layouts_id == other.set_layouts_id) { |
| // if it's the same set_layouts_id, then *any* subset will match |
| return true; |
| } |
| |
| // They aren't exactly the same PipelineLayoutSetLayouts, so we need to check if the required subsets match |
| const auto &descriptor_set_layouts = *set_layouts_id.get(); |
| assert(set < descriptor_set_layouts.size()); |
| const auto &other_ds_layouts = *other.set_layouts_id.get(); |
| assert(set < other_ds_layouts.size()); |
| for (uint32_t i = 0; i <= set; i++) { |
| if (descriptor_set_layouts[i] != other_ds_layouts[i]) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| std::string PipelineLayoutCompatDef::DescribeDifference(const PipelineLayoutCompatDef &other) const { |
| std::ostringstream ss; |
| if (set != other.set) { |
| ss << "The set " << set << " is different from the non-compatible VkPipelineLayout (" << other.set << ")\n"; |
| } else if (push_constant_ranges != other.push_constant_ranges) { |
| ss << "The VkPipelineLayout bound with last call to vkCmdBindDescriptorSets has following push constant ranges:\n"; |
| if (push_constant_ranges->empty()) { |
| ss << "Empty\n"; |
| } else { |
| for (const auto [pcr_i, pcr] : vvl::enumerate(push_constant_ranges->data(), push_constant_ranges->size())) { |
| ss << "VkPushConstantRange[" << pcr_i << "]: " << string_VkPushConstantRange(pcr) << '\n'; |
| } |
| } |
| ss << "But the VkPipelineLayout layout of last vkCmdBindPipeline/vkCmdBindShader has following push constant ranges:\n"; |
| if (other.push_constant_ranges->empty()) { |
| ss << "Empty\n"; |
| } else { |
| for (const auto [pcr_i, pcr] : vvl::enumerate(other.push_constant_ranges->data(), other.push_constant_ranges->size())) { |
| ss << "VkPushConstantRange[" << pcr_i << "]: " << string_VkPushConstantRange(pcr) << '\n'; |
| } |
| } |
| } else if (is_independent_sets != other.is_independent_sets) { |
| ss << "The VkPipelineLayout used to bind set " << set; |
| if (is_independent_sets) { |
| ss << " was created with VK_PIPELINE_LAYOUT_CREATE_INDEPENDENT_SETS_BIT_EXT when the VkPipelineLayout of last bound " |
| "pipeline was not."; |
| } else { |
| ss << " was created without VK_PIPELINE_LAYOUT_CREATE_INDEPENDENT_SETS_BIT_EXT when the VkPipelineLayout of last bound " |
| "pipeline was."; |
| } |
| } else { |
| const auto &descriptor_set_layouts = *set_layouts_id.get(); |
| const auto &other_ds_layouts = *other.set_layouts_id.get(); |
| for (uint32_t i = 0; i <= set; i++) { |
| if (descriptor_set_layouts[i] != other_ds_layouts[i]) { |
| if (!descriptor_set_layouts[i] || !other_ds_layouts[i]) { |
| ss << "Set layout " << i << " contains a null set which is considered non-compatible\n"; |
| break; |
| } |
| return descriptor_set_layouts[i]->DescribeDifference(i, *other_ds_layouts[i]); |
| } |
| } |
| } |
| return ss.str(); |
| } |
| |
| static PipelineLayoutCompatId GetCanonicalId(const uint32_t set_index, const PushConstantRangesId &pcr_id, |
| const PipelineLayoutSetLayoutsId &set_layouts_id, bool is_independent_sets) { |
| return pipeline_layout_compat_dict.LookUp(PipelineLayoutCompatDef(set_index, pcr_id, set_layouts_id, is_independent_sets)); |
| } |
| |
| // For repeatable sorting, not very useful for "memory in range" search |
| struct PushConstantRangeCompare { |
| bool operator()(const VkPushConstantRange *lhs, const VkPushConstantRange *rhs) const { |
| if (lhs->offset == rhs->offset) { |
| if (lhs->size == rhs->size) { |
| // The comparison is arbitrary, but avoids false aliasing by comparing all fields. |
| return lhs->stageFlags < rhs->stageFlags; |
| } |
| // If the offsets are the same then sorting by the end of range is useful for validation |
| return lhs->size < rhs->size; |
| } |
| return lhs->offset < rhs->offset; |
| } |
| }; |
| |
| PushConstantRangesId GetCanonicalId(uint32_t pushConstantRangeCount, const VkPushConstantRange *pPushConstantRanges) { |
| if (!pPushConstantRanges) { |
| // Hand back the empty entry (creating as needed)... |
| return push_constant_ranges_dict.LookUp(PushConstantRanges()); |
| } |
| |
| // Sort the input ranges to ensure equivalent ranges map to the same id |
| std::set<const VkPushConstantRange *, PushConstantRangeCompare> sorted; |
| for (uint32_t i = 0; i < pushConstantRangeCount; i++) { |
| sorted.insert(pPushConstantRanges + i); |
| } |
| |
| PushConstantRanges ranges; |
| ranges.reserve(sorted.size()); |
| for (const auto *range : sorted) { |
| ranges.emplace_back(*range); |
| } |
| return push_constant_ranges_dict.LookUp(std::move(ranges)); |
| } |
| |
| static PushConstantRangesId GetPushConstantRangesFromLayouts(const vvl::span<const vvl::PipelineLayout *const> &layouts) { |
| PushConstantRangesId ret{}; |
| for (const auto *layout : layouts) { |
| if (layout && layout->push_constant_ranges_layout) { |
| ret = layout->push_constant_ranges_layout; |
| |
| if (ret->size() > 0) { |
| return ret; |
| } |
| } |
| } |
| return ret; |
| } |
| |
| std::vector<PipelineLayoutCompatId> GetCompatForSet(const vvl::DescriptorSetLayoutList &set_layouts, |
| const PushConstantRangesId &push_constant_ranges, |
| VkPipelineLayoutCreateFlags pipeline_layout_create_flags) { |
| PipelineLayoutSetLayoutsDef set_layout_ids(set_layouts.list.size()); |
| for (size_t i = 0; i < set_layouts.list.size(); i++) { |
| if (set_layouts.list[i]) { |
| set_layout_ids[i] = set_layouts.list[i]->GetLayoutId(); |
| } |
| } |
| auto set_layouts_id = pipeline_layout_set_layouts_dict.LookUp(set_layout_ids); |
| |
| std::vector<PipelineLayoutCompatId> set_compat_ids; |
| set_compat_ids.reserve(set_layouts.list.size()); |
| |
| // Only current flag to effect pipeline layout compatibility |
| bool is_independent_sets = (pipeline_layout_create_flags & VK_PIPELINE_LAYOUT_CREATE_INDEPENDENT_SETS_BIT_EXT) != 0; |
| |
| for (uint32_t i = 0; i < set_layouts.list.size(); i++) { |
| set_compat_ids.emplace_back(GetCanonicalId(i, push_constant_ranges, set_layouts_id, is_independent_sets)); |
| } |
| return set_compat_ids; |
| } |
| |
| // This is called when merging the flags from the pipeline layouts in libraries |
| VkPipelineLayoutCreateFlags GetCreateFlags(const vvl::span<const vvl::PipelineLayout *const> &layouts) { |
| // from https://github.com/KhronosGroup/Vulkan-ValidationLayers/issues/9870 and |
| // https://gitlab.khronos.org/vulkan/vulkan/-/issues/4264 |
| // We do not actually combine the flags, instead we only take the flags from the final linked pipeline layout |
| return layouts[0] ? layouts[0]->CreateFlags() : 0; |
| } |
| |
| namespace vvl { |
| |
| static DescriptorSetLayoutList GetSetLayouts(DeviceState &dev_data, const VkPipelineLayoutCreateInfo *pCreateInfo) { |
| DescriptorSetLayoutList set_layouts(pCreateInfo->setLayoutCount); |
| |
| for (uint32_t i = 0; i < pCreateInfo->setLayoutCount; ++i) { |
| set_layouts.list[i] = dev_data.Get<vvl::DescriptorSetLayout>(pCreateInfo->pSetLayouts[i]); |
| } |
| return set_layouts; |
| } |
| |
| static DescriptorSetLayoutList GetSetLayouts(const vvl::span<const PipelineLayout *const> &layouts) { |
| DescriptorSetLayoutList set_layouts; |
| size_t num_layouts = 0; |
| for (const auto &layout : layouts) { |
| if (layout && (layout->set_layouts.list.size() > num_layouts)) { |
| num_layouts = layout->set_layouts.list.size(); |
| } |
| } |
| |
| set_layouts.list.reserve(num_layouts); |
| for (size_t i = 0; i < num_layouts; ++i) { |
| const PipelineLayout *used_layout = nullptr; |
| for (const auto *layout : layouts) { |
| if (layout) { |
| if (layout->set_layouts.list.size() > i) { |
| // This _could_ be the layout we're looking for |
| used_layout = layout; |
| |
| if (layout->set_layouts.list[i]) { |
| // This is the layout we're looking for. Any subsequent ones that match must be identical to this one. |
| break; |
| } |
| } |
| } |
| } |
| if (used_layout) { |
| set_layouts.list.emplace_back(used_layout->set_layouts.list[i]); |
| } |
| } |
| return set_layouts; |
| } |
| |
| static bool HasDescriptorBuffer(const DescriptorSetLayoutList& set_layouts) { |
| // It is valid to have null DSL (using GPL) so need to find the first valid |
| for (const auto& set_layout : set_layouts.list) { |
| // VU 08008 forces all layouts to have this flag, so only need to check first flag |
| if (set_layout) { |
| return (set_layout->GetCreateFlags() & VK_DESCRIPTOR_SET_LAYOUT_CREATE_DESCRIPTOR_BUFFER_BIT_EXT) != 0; |
| } |
| } |
| return false; |
| } |
| |
| static bool HasImmutableSamplers(const DescriptorSetLayoutList &set_layouts) { |
| for (const auto &set_layout : set_layouts.list) { |
| if (set_layout && set_layout->HasImmutableSamplers()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| PipelineLayout::PipelineLayout(DeviceState& dev_data, VkPipelineLayout handle, const VkPipelineLayoutCreateInfo* pCreateInfo) |
| : StateObject(handle, kVulkanObjectTypePipelineLayout), |
| set_layouts(GetSetLayouts(dev_data, pCreateInfo)), |
| push_constant_ranges_layout(GetCanonicalId(pCreateInfo->pushConstantRangeCount, pCreateInfo->pPushConstantRanges)), |
| create_flags(pCreateInfo->flags), |
| set_compat_ids(GetCompatForSet(set_layouts, push_constant_ranges_layout, create_flags)), |
| has_descriptor_buffer(HasDescriptorBuffer(set_layouts)), |
| has_immutable_samplers(HasImmutableSamplers(set_layouts)) {} |
| |
| PipelineLayout::PipelineLayout(const vvl::span<const PipelineLayout* const>& layouts) |
| : StateObject(static_cast<VkPipelineLayout>(VK_NULL_HANDLE), kVulkanObjectTypePipelineLayout), |
| set_layouts(GetSetLayouts(layouts)), |
| push_constant_ranges_layout(GetPushConstantRangesFromLayouts(layouts)), // TODO is this correct? |
| create_flags(GetCreateFlags(layouts)), |
| set_compat_ids(GetCompatForSet(set_layouts, push_constant_ranges_layout, create_flags)), |
| has_descriptor_buffer(HasDescriptorBuffer(set_layouts)), |
| has_immutable_samplers(HasImmutableSamplers(set_layouts)) {} |
| |
| } // namespace vvl |
