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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <vector>
#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_scheduler.h"
#include "video_core/renderer_vulkan/vk_shader_decompiler.h"
#include "video_core/renderer_vulkan/vk_update_descriptor.h"
#include "video_core/renderer_vulkan/wrapper.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;
VkDescriptorSet VKComputePipeline::CommitDescriptorSet() {
if (!descriptor_template) {
return {};
}
const auto set = descriptor_allocator.Commit(scheduler.GetFence());
update_descriptor_queue.Send(*descriptor_template, set);
return set;
}
vk::DescriptorSetLayout VKComputePipeline::CreateDescriptorSetLayout() const {
std::vector<VkDescriptorSetLayoutBinding> bindings;
u32 binding = 0;
const auto add_bindings = [&](VkDescriptorType 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) {
VkDescriptorSetLayoutBinding& entry = bindings.emplace_back();
entry.binding = binding++;
entry.descriptorType = descriptor_type;
entry.descriptorCount = 1;
entry.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT;
entry.pImmutableSamplers = nullptr;
}
};
add_bindings(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, entries.const_buffers.size());
add_bindings(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, entries.global_buffers.size());
add_bindings(VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, entries.texel_buffers.size());
add_bindings(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, entries.samplers.size());
add_bindings(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, entries.images.size());
VkDescriptorSetLayoutCreateInfo ci;
ci.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
ci.pNext = nullptr;
ci.flags = 0;
ci.bindingCount = static_cast<u32>(bindings.size());
ci.pBindings = bindings.data();
return device.GetLogical().CreateDescriptorSetLayout(ci);
}
vk::PipelineLayout VKComputePipeline::CreatePipelineLayout() const {
VkPipelineLayoutCreateInfo ci;
ci.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
ci.pNext = nullptr;
ci.flags = 0;
ci.setLayoutCount = 1;
ci.pSetLayouts = descriptor_set_layout.address();
ci.pushConstantRangeCount = 0;
ci.pPushConstantRanges = nullptr;
return device.GetLogical().CreatePipelineLayout(ci);
}
vk::DescriptorUpdateTemplateKHR VKComputePipeline::CreateDescriptorUpdateTemplate() const {
std::vector<VkDescriptorUpdateTemplateEntryKHR> template_entries;
u32 binding = 0;
u32 offset = 0;
FillDescriptorUpdateTemplateEntries(entries, binding, offset, template_entries);
if (template_entries.empty()) {
// If the shader doesn't use descriptor sets, skip template creation.
return {};
}
VkDescriptorUpdateTemplateCreateInfoKHR ci;
ci.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_CREATE_INFO_KHR;
ci.pNext = nullptr;
ci.flags = 0;
ci.descriptorUpdateEntryCount = static_cast<u32>(template_entries.size());
ci.pDescriptorUpdateEntries = template_entries.data();
ci.templateType = VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET_KHR;
ci.descriptorSetLayout = *descriptor_set_layout;
ci.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
ci.pipelineLayout = *layout;
ci.set = DESCRIPTOR_SET;
return device.GetLogical().CreateDescriptorUpdateTemplateKHR(ci);
}
vk::ShaderModule VKComputePipeline::CreateShaderModule(const std::vector<u32>& code) const {
device.SaveShader(code);
VkShaderModuleCreateInfo ci;
ci.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
ci.pNext = nullptr;
ci.flags = 0;
ci.codeSize = code.size() * sizeof(u32);
ci.pCode = code.data();
return device.GetLogical().CreateShaderModule(ci);
}
vk::Pipeline VKComputePipeline::CreatePipeline() const {
VkComputePipelineCreateInfo ci;
VkPipelineShaderStageCreateInfo& stage_ci = ci.stage;
stage_ci.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
stage_ci.pNext = nullptr;
stage_ci.flags = 0;
stage_ci.stage = VK_SHADER_STAGE_COMPUTE_BIT;
stage_ci.module = *shader_module;
stage_ci.pName = "main";
stage_ci.pSpecializationInfo = nullptr;
VkPipelineShaderStageRequiredSubgroupSizeCreateInfoEXT subgroup_size_ci;
subgroup_size_ci.sType =
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_REQUIRED_SUBGROUP_SIZE_CREATE_INFO_EXT;
subgroup_size_ci.pNext = nullptr;
subgroup_size_ci.requiredSubgroupSize = GuestWarpSize;
if (entries.uses_warps && device.IsGuestWarpSizeSupported(VK_SHADER_STAGE_COMPUTE_BIT)) {
stage_ci.pNext = &subgroup_size_ci;
}
ci.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO;
ci.pNext = nullptr;
ci.flags = 0;
ci.layout = *layout;
ci.basePipelineHandle = nullptr;
ci.basePipelineIndex = 0;
return device.GetLogical().CreateComputePipeline(ci);
}
} // namespace Vulkan
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