diff options
Diffstat (limited to 'src/video_core/renderer_vulkan/pipeline_helper.h')
| -rw-r--r-- | src/video_core/renderer_vulkan/pipeline_helper.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/video_core/renderer_vulkan/pipeline_helper.h b/src/video_core/renderer_vulkan/pipeline_helper.h new file mode 100644 index 000000000..4847db6b6 --- /dev/null +++ b/src/video_core/renderer_vulkan/pipeline_helper.h @@ -0,0 +1,154 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <cstddef> + +#include <boost/container/small_vector.hpp> + +#include "common/assert.h" +#include "common/common_types.h" +#include "shader_recompiler/shader_info.h" +#include "video_core/renderer_vulkan/vk_texture_cache.h" +#include "video_core/renderer_vulkan/vk_update_descriptor.h" +#include "video_core/texture_cache/texture_cache.h" +#include "video_core/texture_cache/types.h" +#include "video_core/textures/texture.h" +#include "video_core/vulkan_common/vulkan_device.h" + +namespace Vulkan { + +class DescriptorLayoutBuilder { +public: + DescriptorLayoutBuilder(const Device& device_) : device{&device_} {} + + bool CanUsePushDescriptor() const noexcept { + return device->IsKhrPushDescriptorSupported() && + num_descriptors <= device->MaxPushDescriptors(); + } + + vk::DescriptorSetLayout CreateDescriptorSetLayout(bool use_push_descriptor) const { + if (bindings.empty()) { + return nullptr; + } + const VkDescriptorSetLayoutCreateFlags flags = + use_push_descriptor ? VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR : 0; + return device->GetLogical().CreateDescriptorSetLayout({ + .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, + .pNext = nullptr, + .flags = flags, + .bindingCount = static_cast<u32>(bindings.size()), + .pBindings = bindings.data(), + }); + } + + vk::DescriptorUpdateTemplateKHR CreateTemplate(VkDescriptorSetLayout descriptor_set_layout, + VkPipelineLayout pipeline_layout, + bool use_push_descriptor) const { + if (entries.empty()) { + return nullptr; + } + const VkDescriptorUpdateTemplateType type = + use_push_descriptor ? VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_PUSH_DESCRIPTORS_KHR + : VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET_KHR; + return device->GetLogical().CreateDescriptorUpdateTemplateKHR({ + .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_CREATE_INFO_KHR, + .pNext = nullptr, + .flags = 0, + .descriptorUpdateEntryCount = static_cast<u32>(entries.size()), + .pDescriptorUpdateEntries = entries.data(), + .templateType = type, + .descriptorSetLayout = descriptor_set_layout, + .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS, + .pipelineLayout = pipeline_layout, + .set = 0, + }); + } + + vk::PipelineLayout CreatePipelineLayout(VkDescriptorSetLayout descriptor_set_layout) const { + return device->GetLogical().CreatePipelineLayout({ + .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, + .pNext = nullptr, + .flags = 0, + .setLayoutCount = descriptor_set_layout ? 1U : 0U, + .pSetLayouts = bindings.empty() ? nullptr : &descriptor_set_layout, + .pushConstantRangeCount = 0, + .pPushConstantRanges = nullptr, + }); + } + + void Add(const Shader::Info& info, VkShaderStageFlags stage) { + Add(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, stage, info.constant_buffer_descriptors); + Add(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, stage, info.storage_buffers_descriptors); + Add(VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, stage, info.texture_buffer_descriptors); + Add(VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, stage, info.image_buffer_descriptors); + Add(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, stage, info.texture_descriptors); + Add(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, stage, info.image_descriptors); + } + +private: + template <typename Descriptors> + void Add(VkDescriptorType type, VkShaderStageFlags stage, const Descriptors& descriptors) { + const size_t num{descriptors.size()}; + for (size_t i = 0; i < num; ++i) { + bindings.push_back({ + .binding = binding, + .descriptorType = type, + .descriptorCount = descriptors[i].count, + .stageFlags = stage, + .pImmutableSamplers = nullptr, + }); + entries.push_back({ + .dstBinding = binding, + .dstArrayElement = 0, + .descriptorCount = descriptors[i].count, + .descriptorType = type, + .offset = offset, + .stride = sizeof(DescriptorUpdateEntry), + }); + ++binding; + num_descriptors += descriptors[i].count; + offset += sizeof(DescriptorUpdateEntry); + } + } + + const Device* device{}; + boost::container::small_vector<VkDescriptorSetLayoutBinding, 32> bindings; + boost::container::small_vector<VkDescriptorUpdateTemplateEntryKHR, 32> entries; + u32 binding{}; + u32 num_descriptors{}; + size_t offset{}; +}; + +inline void PushImageDescriptors(const Shader::Info& info, const VkSampler*& samplers, + const ImageId*& image_view_ids, TextureCache& texture_cache, + VKUpdateDescriptorQueue& update_descriptor_queue) { + for (const auto& desc : info.texture_buffer_descriptors) { + image_view_ids += desc.count; + } + for (const auto& desc : info.image_buffer_descriptors) { + image_view_ids += desc.count; + } + for (const auto& desc : info.texture_descriptors) { + for (u32 index = 0; index < desc.count; ++index) { + const VkSampler sampler{*(samplers++)}; + ImageView& image_view{texture_cache.GetImageView(*(image_view_ids++))}; + const VkImageView vk_image_view{image_view.Handle(desc.type)}; + update_descriptor_queue.AddSampledImage(vk_image_view, sampler); + } + } + for (const auto& desc : info.image_descriptors) { + for (u32 index = 0; index < desc.count; ++index) { + ImageView& image_view{texture_cache.GetImageView(*(image_view_ids++))}; + if (desc.is_written) { + texture_cache.MarkModification(image_view.image_id); + } + const VkImageView vk_image_view{image_view.StorageView(desc.type, desc.format)}; + update_descriptor_queue.AddImage(vk_image_view); + } + } +} + +} // namespace Vulkan |