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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <vector>
#include "video_core/renderer_vulkan/declarations.h"
#include "video_core/renderer_vulkan/vk_compute_pipeline.h"
#include "video_core/renderer_vulkan/vk_descriptor_pool.h"
#include "video_core/renderer_vulkan/vk_device.h"
#include "video_core/renderer_vulkan/vk_pipeline_cache.h"
#include "video_core/renderer_vulkan/vk_resource_manager.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
#include "video_core/renderer_vulkan/vk_shader_decompiler.h"
#include "video_core/renderer_vulkan/vk_update_descriptor.h"
namespace Vulkan {
VKComputePipeline::VKComputePipeline(const VKDevice& device, VKScheduler& scheduler,
VKDescriptorPool& descriptor_pool,
VKUpdateDescriptorQueue& update_descriptor_queue,
const SPIRVShader& shader)
: device{device}, scheduler{scheduler}, entries{shader.entries},
descriptor_set_layout{CreateDescriptorSetLayout()},
descriptor_allocator{descriptor_pool, *descriptor_set_layout},
update_descriptor_queue{update_descriptor_queue}, layout{CreatePipelineLayout()},
descriptor_template{CreateDescriptorUpdateTemplate()},
shader_module{CreateShaderModule(shader.code)}, pipeline{CreatePipeline()} {}
VKComputePipeline::~VKComputePipeline() = default;
vk::DescriptorSet VKComputePipeline::CommitDescriptorSet() {
if (!descriptor_template) {
return {};
}
const auto set = descriptor_allocator.Commit(scheduler.GetFence());
update_descriptor_queue.Send(*descriptor_template, set);
return set;
}
UniqueDescriptorSetLayout VKComputePipeline::CreateDescriptorSetLayout() const {
std::vector<vk::DescriptorSetLayoutBinding> bindings;
u32 binding = 0;
const auto AddBindings = [&](vk::DescriptorType descriptor_type, std::size_t num_entries) {
// TODO(Rodrigo): Maybe make individual bindings here?
for (u32 bindpoint = 0; bindpoint < static_cast<u32>(num_entries); ++bindpoint) {
bindings.emplace_back(binding++, descriptor_type, 1, vk::ShaderStageFlagBits::eCompute,
nullptr);
}
};
AddBindings(vk::DescriptorType::eUniformBuffer, entries.const_buffers.size());
AddBindings(vk::DescriptorType::eStorageBuffer, entries.global_buffers.size());
AddBindings(vk::DescriptorType::eUniformTexelBuffer, entries.texel_buffers.size());
AddBindings(vk::DescriptorType::eCombinedImageSampler, entries.samplers.size());
AddBindings(vk::DescriptorType::eStorageImage, entries.images.size());
const vk::DescriptorSetLayoutCreateInfo descriptor_set_layout_ci(
{}, static_cast<u32>(bindings.size()), bindings.data());
const auto dev = device.GetLogical();
const auto& dld = device.GetDispatchLoader();
return dev.createDescriptorSetLayoutUnique(descriptor_set_layout_ci, nullptr, dld);
}
UniquePipelineLayout VKComputePipeline::CreatePipelineLayout() const {
const vk::PipelineLayoutCreateInfo layout_ci({}, 1, &*descriptor_set_layout, 0, nullptr);
const auto dev = device.GetLogical();
return dev.createPipelineLayoutUnique(layout_ci, nullptr, device.GetDispatchLoader());
}
UniqueDescriptorUpdateTemplate VKComputePipeline::CreateDescriptorUpdateTemplate() const {
std::vector<vk::DescriptorUpdateTemplateEntry> template_entries;
u32 binding = 0;
u32 offset = 0;
FillDescriptorUpdateTemplateEntries(device, entries, binding, offset, template_entries);
if (template_entries.empty()) {
// If the shader doesn't use descriptor sets, skip template creation.
return UniqueDescriptorUpdateTemplate{};
}
const vk::DescriptorUpdateTemplateCreateInfo template_ci(
{}, static_cast<u32>(template_entries.size()), template_entries.data(),
vk::DescriptorUpdateTemplateType::eDescriptorSet, *descriptor_set_layout,
vk::PipelineBindPoint::eGraphics, *layout, DESCRIPTOR_SET);
const auto dev = device.GetLogical();
const auto& dld = device.GetDispatchLoader();
return dev.createDescriptorUpdateTemplateUnique(template_ci, nullptr, dld);
}
UniqueShaderModule VKComputePipeline::CreateShaderModule(const std::vector<u32>& code) const {
const vk::ShaderModuleCreateInfo module_ci({}, code.size() * sizeof(u32), code.data());
const auto dev = device.GetLogical();
return dev.createShaderModuleUnique(module_ci, nullptr, device.GetDispatchLoader());
}
UniquePipeline VKComputePipeline::CreatePipeline() const {
vk::PipelineShaderStageCreateInfo shader_stage_ci({}, vk::ShaderStageFlagBits::eCompute,
*shader_module, "main", nullptr);
vk::PipelineShaderStageRequiredSubgroupSizeCreateInfoEXT subgroup_size_ci;
subgroup_size_ci.requiredSubgroupSize = GuestWarpSize;
if (entries.uses_warps && device.IsGuestWarpSizeSupported(vk::ShaderStageFlagBits::eCompute)) {
shader_stage_ci.pNext = &subgroup_size_ci;
}
const vk::ComputePipelineCreateInfo create_info({}, shader_stage_ci, *layout, {}, 0);
const auto dev = device.GetLogical();
return dev.createComputePipelineUnique({}, create_info, nullptr, device.GetDispatchLoader());
}
} // namespace Vulkan
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