142 lines
5.0 KiB
C++
142 lines
5.0 KiB
C++
// Copyright 2023 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/microprofile.h"
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#include "video_core/renderer_vulkan/vk_descriptor_pool.h"
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#include "video_core/renderer_vulkan/vk_instance.h"
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namespace Vulkan {
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MICROPROFILE_DEFINE(Vulkan_DescriptorSetAcquire, "Vulkan", "Descriptor Set Acquire",
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MP_RGB(64, 128, 256));
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constexpr u32 MAX_BATCH_SIZE = 8;
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DescriptorPool::DescriptorPool(const Instance& instance_) : instance{instance_} {
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auto& pool = pools.emplace_back();
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pool = CreatePool();
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}
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DescriptorPool::~DescriptorPool() = default;
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std::vector<vk::DescriptorSet> DescriptorPool::Allocate(vk::DescriptorSetLayout layout,
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u32 num_sets) {
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std::array<vk::DescriptorSetLayout, MAX_BATCH_SIZE> layouts;
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layouts.fill(layout);
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u32 current_pool = 0;
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vk::DescriptorSetAllocateInfo alloc_info = {
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.descriptorPool = *pools[current_pool],
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.descriptorSetCount = num_sets,
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.pSetLayouts = layouts.data(),
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};
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while (true) {
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try {
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return instance.GetDevice().allocateDescriptorSets(alloc_info);
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} catch (const vk::OutOfPoolMemoryError&) {
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current_pool++;
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if (current_pool == pools.size()) {
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LOG_INFO(Render_Vulkan, "Run out of pools, creating new one!");
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auto& pool = pools.emplace_back();
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pool = CreatePool();
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}
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alloc_info.descriptorPool = *pools[current_pool];
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}
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}
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}
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vk::DescriptorSet DescriptorPool::Allocate(vk::DescriptorSetLayout layout) {
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const auto sets = Allocate(layout, 1);
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return sets[0];
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}
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vk::UniqueDescriptorPool DescriptorPool::CreatePool() {
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// Choose a sane pool size good for most games
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static constexpr std::array<vk::DescriptorPoolSize, 6> pool_sizes = {{
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{vk::DescriptorType::eUniformBufferDynamic, 64},
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{vk::DescriptorType::eUniformTexelBuffer, 64},
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{vk::DescriptorType::eCombinedImageSampler, 4096},
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{vk::DescriptorType::eSampledImage, 256},
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{vk::DescriptorType::eStorageImage, 256},
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{vk::DescriptorType::eStorageBuffer, 32},
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}};
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const vk::DescriptorPoolCreateInfo descriptor_pool_info = {
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.maxSets = 4098,
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.poolSizeCount = static_cast<u32>(pool_sizes.size()),
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.pPoolSizes = pool_sizes.data(),
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};
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return instance.GetDevice().createDescriptorPoolUnique(descriptor_pool_info);
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}
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DescriptorSetProvider::DescriptorSetProvider(
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const Instance& instance, DescriptorPool& pool_,
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std::span<const vk::DescriptorSetLayoutBinding> bindings)
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: pool{pool_}, device{instance.GetDevice()} {
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std::array<vk::DescriptorUpdateTemplateEntry, MAX_DESCRIPTORS> update_entries;
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for (u32 i = 0; i < bindings.size(); i++) {
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update_entries[i] = vk::DescriptorUpdateTemplateEntry{
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.dstBinding = bindings[i].binding,
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.dstArrayElement = 0,
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.descriptorCount = bindings[i].descriptorCount,
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.descriptorType = bindings[i].descriptorType,
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.offset = i * sizeof(DescriptorData),
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.stride = sizeof(DescriptorData),
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};
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}
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const vk::DescriptorSetLayoutCreateInfo layout_info = {
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.bindingCount = static_cast<u32>(bindings.size()),
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.pBindings = bindings.data(),
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};
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layout = device.createDescriptorSetLayoutUnique(layout_info);
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const vk::DescriptorUpdateTemplateCreateInfo template_info = {
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.descriptorUpdateEntryCount = static_cast<u32>(bindings.size()),
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.pDescriptorUpdateEntries = update_entries.data(),
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.templateType = vk::DescriptorUpdateTemplateType::eDescriptorSet,
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.descriptorSetLayout = *layout,
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};
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update_template = device.createDescriptorUpdateTemplateUnique(template_info);
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}
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DescriptorSetProvider::~DescriptorSetProvider() = default;
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vk::DescriptorSet DescriptorSetProvider::Acquire(std::span<const DescriptorData> data) {
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MICROPROFILE_SCOPE(Vulkan_DescriptorSetAcquire);
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DescriptorSetData key{};
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std::memcpy(key.data(), data.data(), data.size_bytes());
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const auto [it, new_set] = descriptor_set_map.try_emplace(key);
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if (!new_set) {
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return it->second;
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}
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if (free_sets.empty()) {
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free_sets = pool.Allocate(*layout, MAX_BATCH_SIZE);
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}
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it.value() = free_sets.back();
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free_sets.pop_back();
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device.updateDescriptorSetWithTemplate(it->second, *update_template, data[0]);
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return it->second;
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}
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void DescriptorSetProvider::FreeWithImage(vk::ImageView image_view) {
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for (auto it = descriptor_set_map.begin(); it != descriptor_set_map.end();) {
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const auto& [data, set] = *it;
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const bool has_image = std::any_of(data.begin(), data.end(), [image_view](auto& info) {
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return info.image_info.imageView == image_view;
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});
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if (has_image) {
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free_sets.push_back(set);
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it = descriptor_set_map.erase(it);
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} else {
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it++;
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}
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}
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}
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} // namespace Vulkan
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