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// 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"
namespace Vulkan {
struct TextureHandle {
explicit TextureHandle(u32 data, bool via_header_index) {
[[likely]] if (via_header_index) {
image = data;
sampler = data;
} else {
const Tegra::Texture::TextureHandle handle{data};
image = handle.tic_id;
sampler = via_header_index ? image : handle.tsc_id.Value();
}
}
u32 image;
u32 sampler;
};
class DescriptorLayoutBuilder {
public:
DescriptorLayoutBuilder(const vk::Device& device_) : device{&device_} {}
vk::DescriptorSetLayout CreateDescriptorSetLayout() const {
if (bindings.empty()) {
return nullptr;
}
return device->CreateDescriptorSetLayout({
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.bindingCount = static_cast<u32>(bindings.size()),
.pBindings = bindings.data(),
});
}
vk::DescriptorUpdateTemplateKHR CreateTemplate(VkDescriptorSetLayout descriptor_set_layout,
VkPipelineLayout pipeline_layout) const {
if (entries.empty()) {
return nullptr;
}
return device->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 = VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET_KHR,
.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->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) {
for ([[maybe_unused]] const auto& desc : info.constant_buffer_descriptors) {
Add(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, stage);
}
for ([[maybe_unused]] const auto& desc : info.storage_buffers_descriptors) {
Add(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, stage);
}
for ([[maybe_unused]] const auto& desc : info.texture_descriptors) {
Add(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, stage);
}
}
private:
void Add(VkDescriptorType type, VkShaderStageFlags stage) {
bindings.push_back({
.binding = binding,
.descriptorType = type,
.descriptorCount = 1,
.stageFlags = stage,
.pImmutableSamplers = nullptr,
});
entries.push_back(VkDescriptorUpdateTemplateEntryKHR{
.dstBinding = binding,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = type,
.offset = offset,
.stride = sizeof(DescriptorUpdateEntry),
});
++binding;
offset += sizeof(DescriptorUpdateEntry);
}
const vk::Device* device{};
boost::container::small_vector<VkDescriptorSetLayoutBinding, 32> bindings;
boost::container::small_vector<VkDescriptorUpdateTemplateEntryKHR, 32> entries;
u32 binding{};
size_t offset{};
};
inline VideoCommon::ImageViewType CastType(Shader::TextureType type) {
switch (type) {
case Shader::TextureType::Color1D:
case Shader::TextureType::Shadow1D:
return VideoCommon::ImageViewType::e1D;
case Shader::TextureType::ColorArray1D:
case Shader::TextureType::ShadowArray1D:
return VideoCommon::ImageViewType::e1DArray;
case Shader::TextureType::Color2D:
case Shader::TextureType::Shadow2D:
return VideoCommon::ImageViewType::e2D;
case Shader::TextureType::ColorArray2D:
case Shader::TextureType::ShadowArray2D:
return VideoCommon::ImageViewType::e2DArray;
case Shader::TextureType::Color3D:
case Shader::TextureType::Shadow3D:
return VideoCommon::ImageViewType::e3D;
case Shader::TextureType::ColorCube:
case Shader::TextureType::ShadowCube:
return VideoCommon::ImageViewType::Cube;
case Shader::TextureType::ColorArrayCube:
case Shader::TextureType::ShadowArrayCube:
return VideoCommon::ImageViewType::CubeArray;
}
UNREACHABLE_MSG("Invalid texture type {}", type);
return {};
}
inline void PushImageDescriptors(const Shader::Info& info, const VkSampler* samplers,
const ImageId* image_view_ids, TextureCache& texture_cache,
VKUpdateDescriptorQueue& update_descriptor_queue, size_t& index) {
for (const auto& desc : info.texture_descriptors) {
const VkSampler sampler{samplers[index]};
ImageView& image_view{texture_cache.GetImageView(image_view_ids[index])};
const VkImageView vk_image_view{image_view.Handle(CastType(desc.type))};
update_descriptor_queue.AddSampledImage(vk_image_view, sampler);
++index;
}
}
} // namespace Vulkan
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