Files
OpenVulkano/openVulkanoCpp/Vulkan/Resources/UniformBuffer.hpp
2019-10-14 23:02:51 +02:00

55 lines
1.9 KiB
C++

#pragma once
#include "../../Base/ICloseable.hpp"
#include "../Scene/IRecordable.hpp"
#include "ManagedResource.hpp"
namespace openVulkanoCpp
{
namespace Vulkan
{
struct UniformBuffer : virtual ICloseable, virtual IRecordable
{
ManagedBuffer* buffer;
vk::DescriptorPool descPool;
vk::DescriptorSet descSet;
vk::PipelineLayout layout;
uint32_t allocSizeFrame;
void Init(ManagedBuffer* buffer, uint32_t allocSizeFrame, vk::DescriptorSetLayout* descriptorSetLayout, vk::PipelineLayout layout)
{
this->buffer = buffer;
this->layout = layout;
this->allocSizeFrame = allocSizeFrame;
vk::DescriptorPoolSize poolSize = { vk::DescriptorType::eUniformBufferDynamic, 1 };
const vk::DescriptorPoolCreateInfo poolCreateInfo = { {}, 1, 1, &poolSize };
descPool = buffer->device.createDescriptorPool(poolCreateInfo);
const vk::DescriptorSetAllocateInfo descSetAllocInfo = { descPool, 1, descriptorSetLayout };
descSet = buffer->device.allocateDescriptorSets(descSetAllocInfo)[0];
vk::DescriptorBufferInfo bufferInfo = { buffer->buffer, 0, allocSizeFrame };
vk::WriteDescriptorSet writeDescriptorSet = { descSet };
writeDescriptorSet.descriptorCount = 1;
writeDescriptorSet.descriptorType = vk::DescriptorType::eUniformBufferDynamic;
writeDescriptorSet.pBufferInfo = &bufferInfo;
buffer->device.updateDescriptorSets(1, &writeDescriptorSet, 0, nullptr);
}
void Record(vk::CommandBuffer& cmdBuffer, uint32_t bufferId) override
{
uint32_t frameOffset = allocSizeFrame * bufferId;
cmdBuffer.bindDescriptorSets(vk::PipelineBindPoint::eGraphics, layout, 0, 1,
&descSet, 1, &frameOffset);
}
void Update(void* data, uint32_t size, uint32_t bufferId) const
{
buffer->Copy(data, size, allocSizeFrame * bufferId);
}
void Close() override
{
buffer->device.destroyDescriptorPool(descPool);
}
};
}
}