Files
MacroLibX/runtime/Sources/Renderer/Descriptor.cpp
Kbz-8 59455495b6 yes
2024-10-19 10:46:31 +02:00

241 lines
8.3 KiB
C++

#include <PreCompiled.h>
#include <Renderer/Image.h>
#include <Renderer/Enums.h>
#include <Renderer/Buffer.h>
#include <Renderer/Descriptor.h>
#include <Renderer/RenderCore.h>
#include <Maths/Constants.h>
namespace mlx
{
constexpr std::size_t MAX_SETS_PER_POOL = MAX_FRAMES_IN_FLIGHT * 1024;
void TransitionImageToCorrectLayout(Image& image, VkCommandBuffer cmd)
{
MLX_PROFILE_FUNCTION();
if(!image.IsInit())
return;
if(image.GetType() == ImageType::Color)
image.TransitionLayout(VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, cmd);
else
Error("Vulkan : cannot transition descriptor image layout, unkown image type");
}
void DescriptorPool::Init() noexcept
{
VkDescriptorPoolSize pool_sizes[] = {
{ VK_DESCRIPTOR_TYPE_SAMPLER, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, MAX_SETS_PER_POOL },
{ VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, MAX_SETS_PER_POOL }
};
VkDescriptorPoolCreateInfo poolInfo{};
poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
poolInfo.poolSizeCount = sizeof(pool_sizes) / sizeof(pool_sizes[0]);
poolInfo.pPoolSizes = pool_sizes;
poolInfo.maxSets = MAX_SETS_PER_POOL;
poolInfo.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
for(std::size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
kvfCheckVk(RenderCore::Get().vkCreateDescriptorPool(RenderCore::Get().GetDevice(), &poolInfo, nullptr, &m_pools[i]));
m_allocation_count = 0;
}
void DescriptorPool::Destroy() noexcept
{
for(std::size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
{
if(m_pools[i] == VK_NULL_HANDLE)
continue;
RenderCore::Get().vkDestroyDescriptorPool(RenderCore::Get().GetDevice(), m_pools[i], nullptr);
m_pools[i] = VK_NULL_HANDLE;
}
m_allocation_count = 0;
}
VkDescriptorSet DescriptorPool::AllocateDescriptorSet(std::uint32_t frame_index, VkDescriptorSetLayout layout)
{
VkDescriptorSet set;
VkDescriptorSetAllocateInfo alloc_info = {};
alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
alloc_info.descriptorPool = m_pools[frame_index];
alloc_info.descriptorSetCount = 1;
alloc_info.pSetLayouts = &layout;
kvfCheckVk(RenderCore::Get().vkAllocateDescriptorSets(RenderCore::Get().GetDevice(), &alloc_info, &set));
m_allocation_count++;
return set;
}
void DescriptorPool::ResetPoolFromFrameIndex(std::size_t frame_index)
{
Assert(frame_index < MAX_FRAMES_IN_FLIGHT, "invalid frame index");
RenderCore::Get().vkResetDescriptorPool(RenderCore::Get().GetDevice(), m_pools[frame_index], 0);
}
void DescriptorPoolManager::ResetPoolsFromFrameIndex(std::size_t frame_index)
{
for(auto& pool : m_pools)
pool.ResetPoolFromFrameIndex(frame_index);
}
DescriptorPool& DescriptorPoolManager::GetAvailablePool()
{
for(auto& pool : m_pools)
{
if(pool.GetNumberOfSetsAllocated() < MAX_SETS_PER_POOL)
return pool;
}
m_pools.emplace_front().Init();
return m_pools.front();
}
void DescriptorPoolManager::Destroy()
{
#pragma omp parallel for
for(auto& pool : m_pools)
pool.Destroy();
}
DescriptorSet::DescriptorSet(DescriptorPoolManager& pools_manager, const ShaderSetLayout& layout, VkDescriptorSetLayout vklayout, ShaderType shader_type)
: m_set_layout(vklayout), p_pools_manager(&pools_manager)
{
MLX_PROFILE_FUNCTION();
for(auto& [binding, type] : layout.binds)
{
m_descriptors.emplace_back();
m_descriptors.back().type = type;
m_descriptors.back().shader_type = shader_type;
m_descriptors.back().binding = binding;
}
for(std::size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
m_set[i] = p_pools_manager->GetAvailablePool().AllocateDescriptorSet(i, vklayout);
}
DescriptorSet::DescriptorSet(DescriptorPoolManager& pools_manager, VkDescriptorSetLayout layout, const std::vector<Descriptor>& descriptors)
: m_descriptors(descriptors), m_set_layout(layout), p_pools_manager(&pools_manager)
{
MLX_PROFILE_FUNCTION();
for(std::size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
m_set[i] = p_pools_manager->GetAvailablePool().AllocateDescriptorSet(i, layout);
}
void DescriptorSet::SetImage(std::size_t i, std::uint32_t binding, class Image& image)
{
MLX_PROFILE_FUNCTION();
Verify(m_set[i] != VK_NULL_HANDLE, "invalid descriptor");
auto it = std::find_if(m_descriptors.begin(), m_descriptors.end(), [=](Descriptor descriptor)
{
return binding == descriptor.binding;
});
if(it == m_descriptors.end())
{
Warning("Vulkan : cannot update descriptor set image; invalid binding");
return;
}
if(it->type != VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER)
{
Error("Vulkan : trying to bind an image to the wrong descriptor");
return;
}
it->image_ptr = &image;
}
void DescriptorSet::SetStorageBuffer(std::size_t i, std::uint32_t binding, class GPUBuffer& buffer)
{
MLX_PROFILE_FUNCTION();
Verify(m_set[i] != VK_NULL_HANDLE, "invalid descriptor");
auto it = std::find_if(m_descriptors.begin(), m_descriptors.end(), [=](Descriptor descriptor)
{
return binding == descriptor.binding;
});
if(it == m_descriptors.end())
{
Warning("Vulkan : cannot update descriptor set buffer; invalid binding");
return;
}
if(it->type != VK_DESCRIPTOR_TYPE_STORAGE_BUFFER)
{
Error("Vulkan : trying to bind a buffer to the wrong descriptor");
return;
}
it->storage_buffer_ptr = &buffer;
}
void DescriptorSet::SetUniformBuffer(std::size_t i, std::uint32_t binding, class GPUBuffer& buffer)
{
MLX_PROFILE_FUNCTION();
Verify(m_set[i] != VK_NULL_HANDLE, "invalid descriptor");
auto it = std::find_if(m_descriptors.begin(), m_descriptors.end(), [=](Descriptor descriptor)
{
return binding == descriptor.binding;
});
if(it == m_descriptors.end())
{
Warning("Vulkan : cannot update descriptor set buffer; invalid binding");
return;
}
if(it->type != VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER)
{
Error("Vulkan : trying to bind a buffer to the wrong descriptor");
return;
}
it->uniform_buffer_ptr = &buffer;
}
void DescriptorSet::Update(std::size_t i, VkCommandBuffer cmd) noexcept
{
MLX_PROFILE_FUNCTION();
Verify(m_set[i] != VK_NULL_HANDLE, "invalid descriptor");
std::vector<VkWriteDescriptorSet> writes;
std::vector<VkDescriptorBufferInfo> buffer_infos;
std::vector<VkDescriptorImageInfo> image_infos;
for(auto& descriptor : m_descriptors)
{
if(descriptor.image_ptr)
{
TransitionImageToCorrectLayout(*descriptor.image_ptr, cmd);
VkDescriptorImageInfo info{};
info.sampler = descriptor.image_ptr->GetSampler();
info.imageLayout = descriptor.image_ptr->GetLayout();
info.imageView = descriptor.image_ptr->GetImageView();
image_infos.push_back(info);
writes.push_back(kvfWriteImageToDescriptorSet(RenderCore::Get().GetDevice(), m_set[i], &image_infos.back(), descriptor.binding));
}
else if(descriptor.uniform_buffer_ptr)
{
VkDescriptorBufferInfo info{};
info.buffer = descriptor.uniform_buffer_ptr->Get();
info.offset = descriptor.uniform_buffer_ptr->GetOffset();
info.range = VK_WHOLE_SIZE;
buffer_infos.push_back(info);
writes.push_back(kvfWriteUniformBufferToDescriptorSet(RenderCore::Get().GetDevice(), m_set[i], &buffer_infos.back(), descriptor.binding));
}
else if(descriptor.storage_buffer_ptr)
{
VkDescriptorBufferInfo info{};
info.buffer = descriptor.storage_buffer_ptr->Get();
info.offset = descriptor.storage_buffer_ptr->GetOffset();
info.range = VK_WHOLE_SIZE;
buffer_infos.push_back(info);
writes.push_back(kvfWriteStorageBufferToDescriptorSet(RenderCore::Get().GetDevice(), m_set[i], &buffer_infos.back(), descriptor.binding));
}
}
RenderCore::Get().vkUpdateDescriptorSets(RenderCore::Get().GetDevice(), writes.size(), writes.data(), 0, nullptr);
}
void DescriptorSet::Reallocate(std::size_t frame_index) noexcept
{
MLX_PROFILE_FUNCTION();
Assert(!p_pools_manager, "invalid pools manager");
m_set[frame_index] = p_pools_manager->GetAvailablePool().AllocateDescriptorSet(frame_index, m_set_layout);
}
}