forked from suyu/suyu
162 lines
6 KiB
C++
162 lines
6 KiB
C++
// Copyright 2021 yuzu 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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#pragma once
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#include <cstddef>
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#include <boost/container/small_vector.hpp>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "shader_recompiler/shader_info.h"
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#include "video_core/renderer_vulkan/vk_texture_cache.h"
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#include "video_core/renderer_vulkan/vk_update_descriptor.h"
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#include "video_core/texture_cache/texture_cache.h"
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#include "video_core/texture_cache/types.h"
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#include "video_core/textures/texture.h"
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namespace Vulkan {
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struct TextureHandle {
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explicit TextureHandle(u32 data, bool via_header_index) {
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[[likely]] if (via_header_index) {
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image = data;
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sampler = data;
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} else {
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const Tegra::Texture::TextureHandle handle{data};
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image = handle.tic_id;
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sampler = via_header_index ? image : handle.tsc_id.Value();
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}
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}
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u32 image;
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u32 sampler;
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};
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struct DescriptorLayoutTuple {
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vk::DescriptorSetLayout descriptor_set_layout;
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vk::PipelineLayout pipeline_layout;
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vk::DescriptorUpdateTemplateKHR descriptor_update_template;
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};
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class DescriptorLayoutBuilder {
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public:
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DescriptorLayoutTuple Create(const vk::Device& device) {
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DescriptorLayoutTuple result;
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if (!bindings.empty()) {
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result.descriptor_set_layout = device.CreateDescriptorSetLayout({
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.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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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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}
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result.pipeline_layout = device.CreatePipelineLayout({
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.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.setLayoutCount = result.descriptor_set_layout ? 1U : 0U,
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.pSetLayouts = bindings.empty() ? nullptr : result.descriptor_set_layout.address(),
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.pushConstantRangeCount = 0,
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.pPushConstantRanges = nullptr,
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});
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if (!entries.empty()) {
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result.descriptor_update_template = device.CreateDescriptorUpdateTemplateKHR({
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.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_CREATE_INFO_KHR,
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.pNext = nullptr,
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.flags = 0,
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.descriptorUpdateEntryCount = static_cast<u32>(entries.size()),
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.pDescriptorUpdateEntries = entries.data(),
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.templateType = VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET_KHR,
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.descriptorSetLayout = *result.descriptor_set_layout,
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.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
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.pipelineLayout = *result.pipeline_layout,
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.set = 0,
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});
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}
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return result;
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}
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void Add(const Shader::Info& info, VkShaderStageFlags stage) {
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for ([[maybe_unused]] const auto& desc : info.constant_buffer_descriptors) {
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Add(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, stage);
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}
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for ([[maybe_unused]] const auto& desc : info.storage_buffers_descriptors) {
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Add(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, stage);
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}
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for ([[maybe_unused]] const auto& desc : info.texture_descriptors) {
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Add(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, stage);
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}
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}
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private:
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void Add(VkDescriptorType type, VkShaderStageFlags stage) {
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bindings.push_back({
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.binding = binding,
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.descriptorType = type,
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.descriptorCount = 1,
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.stageFlags = stage,
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.pImmutableSamplers = nullptr,
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});
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entries.push_back(VkDescriptorUpdateTemplateEntryKHR{
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.dstBinding = binding,
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.dstArrayElement = 0,
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.descriptorCount = 1,
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.descriptorType = type,
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.offset = offset,
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.stride = sizeof(DescriptorUpdateEntry),
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});
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++binding;
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offset += sizeof(DescriptorUpdateEntry);
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}
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boost::container::small_vector<VkDescriptorSetLayoutBinding, 32> bindings;
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boost::container::small_vector<VkDescriptorUpdateTemplateEntryKHR, 32> entries;
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u32 binding{};
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size_t offset{};
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};
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inline VideoCommon::ImageViewType CastType(Shader::TextureType type) {
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switch (type) {
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case Shader::TextureType::Color1D:
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case Shader::TextureType::Shadow1D:
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return VideoCommon::ImageViewType::e1D;
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case Shader::TextureType::ColorArray1D:
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case Shader::TextureType::ShadowArray1D:
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return VideoCommon::ImageViewType::e1DArray;
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case Shader::TextureType::Color2D:
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case Shader::TextureType::Shadow2D:
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return VideoCommon::ImageViewType::e2D;
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case Shader::TextureType::ColorArray2D:
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case Shader::TextureType::ShadowArray2D:
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return VideoCommon::ImageViewType::e2DArray;
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case Shader::TextureType::Color3D:
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case Shader::TextureType::Shadow3D:
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return VideoCommon::ImageViewType::e3D;
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case Shader::TextureType::ColorCube:
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case Shader::TextureType::ShadowCube:
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return VideoCommon::ImageViewType::Cube;
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case Shader::TextureType::ColorArrayCube:
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case Shader::TextureType::ShadowArrayCube:
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return VideoCommon::ImageViewType::CubeArray;
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}
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UNREACHABLE_MSG("Invalid texture type {}", type);
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return {};
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}
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inline void PushImageDescriptors(const Shader::Info& info, const VkSampler* samplers,
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const ImageId* image_view_ids, TextureCache& texture_cache,
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VKUpdateDescriptorQueue& update_descriptor_queue, size_t& index) {
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for (const auto& desc : info.texture_descriptors) {
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const VkSampler sampler{samplers[index]};
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ImageView& image_view{texture_cache.GetImageView(image_view_ids[index])};
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const VkImageView vk_image_view{image_view.Handle(CastType(desc.type))};
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update_descriptor_queue.AddSampledImage(vk_image_view, sampler);
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++index;
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}
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}
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} // namespace Vulkan
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