46 lines
2.0 KiB
C++
46 lines
2.0 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "UniformBuffer.hpp"
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#include "ManagedResource.hpp"
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#include "ResourceManager.hpp"
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#include "Vulkan/VulkanDrawContext.hpp"
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#include "Vulkan/Scene/VulkanShader.hpp"
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namespace OpenVulkano::Vulkan
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{
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void UniformBuffer::Init(ManagedBuffer* buffer, uint32_t frameOffset, uint32_t frameSize, vk::DescriptorSetLayout* descriptorSetLayout, const DescriptorSetLayoutBinding& binding, uint32_t setId)
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{
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m_buffer = buffer;
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m_frameOffset = frameOffset;
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const vk::DescriptorSetAllocateInfo descSetAllocInfo = { ResourceManager::INSTANCE->descriptorPool, 1, descriptorSetLayout };
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m_descriptorSet = buffer->allocation->device.allocateDescriptorSets(descSetAllocInfo)[0];
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vk::DescriptorBufferInfo bufferInfo = { buffer->buffer, 0, frameSize };
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vk::WriteDescriptorSet writeDescriptorSet = { m_descriptorSet, binding.bindingId, 0, 1 };
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writeDescriptorSet.descriptorType = static_cast<vk::DescriptorType>(binding.descriptorType);
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writeDescriptorSet.pBufferInfo = &bufferInfo;
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buffer->allocation->device.updateDescriptorSets(1, &writeDescriptorSet, 0, nullptr);
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m_setOffset = setId;
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}
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void UniformBuffer::Close()
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{ //TODO handle this better
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m_buffer->allocation->device.freeDescriptorSets(ResourceManager::INSTANCE->descriptorPool, 1, &m_descriptorSet);
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m_buffer = nullptr;
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}
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void UniformBuffer::Record(VulkanDrawContext* drawContext)
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{
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uint32_t frameOffset = m_frameOffset * drawContext->currentImageId;
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drawContext->commandBuffer.bindDescriptorSets(vk::PipelineBindPoint::eGraphics, drawContext->GetShader()->pipelineLayout, m_setOffset, m_setCount, &m_descriptorSet, (m_frameOffset) ? 1 : 0, &frameOffset);
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}
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void UniformBuffer::Update(void* data, uint32_t size, uint32_t bufferId) const
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{
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m_buffer->Copy(data, size, m_frameOffset * bufferId);
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}
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} |