Files
MacroLibX/runtime/Sources/Renderer/Descriptors/DescriptorPool.cpp
2024-04-23 20:59:50 +02:00

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2.8 KiB
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* DescriptorPool.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/01/23 18:34:23 by maldavid #+# #+# */
/* Updated: 2024/04/23 19:39:39 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#include <PreCompiled.h>
#include <Renderer/Descriptors/DescriptorPool.h>
#include <Renderer/Descriptors/DescriptorSet.h>
#include <Renderer/Core/RenderCore.h>
namespace mlx
{
void DescriptorPool::Init(std::vector<VkDescriptorPoolSize> sizes)
{
VkDescriptorPoolCreateInfo pool_info{};
pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
pool_info.poolSizeCount = sizes.size();
pool_info.pPoolSizes = sizes.data();
pool_info.maxSets = MAX_SETS_PER_POOL;
pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
VkResult res = vkCreateDescriptorPool(RenderCore::Get().GetDevice().Get(), &pool_info, nullptr, &m_pool);
if(res != VK_SUCCESS)
FatalError("Vulkan : failed to create descriptor pool, %", VerbaliseVkResult(res));
DebugLog("Vulkan : created new descriptor pool");
}
VkDescriptorSet DescriptorPool::AllocateDescriptorSet(class DescriptorSetLayout& layout)
{
VkDescriptorSet set;
VkDescriptorSetAllocateInfo alloc_info{};
alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
alloc_info.descriptorPool = m_pool;
alloc_info.descriptorSetCount = 1;
alloc_info.pSetLayouts = layouts.Get();
VkResult res = vkAllocateDescriptorSets(RenderCore::Get().GetDevice().Get(), &alloc_info, &set);
if(res != VK_SUCCESS)
FatalError("Vulkan : failed to allocate descriptor set, %", VerbaliseVkResult(res));
m_allocated_sets++;
DebugLog("Vulkan : created new descriptor set");
return set;
}
void DescriptorPool::FreeDescriptor(VkDescriptorSet set)
{
if(!IsInit())
return;
vkFreeDescriptorSets(RenderCore::Get().GetDevice().Get(), m_pool, 1, set);
m_allocated_sets--; // if this goes underflow I quit
}
void DescriptorPool::Destroy() noexcept
{
if(m_pool != VK_NULL_HANDLE)
vkDestroyDescriptorPool(RenderCore::Get().GetDevice().Get(), m_pool, nullptr);
m_pool = VK_NULL_HANDLE;
DebugLog("Vulkan : destroyed a descriptor pool");
}
}