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adding descriptors support to renderer

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Kbz-8
2023-01-23 19:27:37 +01:00
parent 54fc452aa2
commit 4c1043ee17
13 changed files with 346 additions and 28 deletions
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34
src/renderer/descriptors/vk_descriptor_pool.cpp git.filemode.normal_file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_descriptor_pool.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/01/23 18:34:23 by maldavid #+# #+# */
/* Updated: 2023/01/23 18:44:51 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#include "vk_descriptor_pool.h"
#include <renderer/core/render_core.h>
namespace mlx
{
void DescriptorPool::init(std::size_t n, VkDescriptorPoolSize* size)
{
VkDescriptorPoolCreateInfo poolInfo{};
poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
poolInfo.poolSizeCount = n;
poolInfo.pPoolSizes = size;
poolInfo.maxSets = 8192;
if(vkCreateDescriptorPool(Render_Core::get().getDevice().get(), &poolInfo, nullptr, &_pool) != VK_SUCCESS)
core::error::report(e_kind::fatal_error, "Vulkan : failed to create descriptor pool");
}
void DescriptorPool::destroy() noexcept
{
vkDestroyDescriptorPool(Render_Core::get().getDevice().get(), _pool, nullptr);
}
}

35
src/renderer/descriptors/vk_descriptor_pool.h git.filemode.normal_file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_descriptor_pool.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/01/23 18:32:43 by maldavid #+# #+# */
/* Updated: 2023/01/23 18:44:40 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef __VK_DESCRIPTOR_POOL__
#define __VK_DESCRIPTOR_POOL__
#include <volk.h>
#include <cstddef>
namespace mlx
{
class DescriptorPool
{
public:
void init(std::size_t n, VkDescriptorPoolSize* size);
void destroy() noexcept;
inline VkDescriptorPool& operator()() noexcept { return _pool; }
inline VkDescriptorPool& get() noexcept { return _pool; }
private:
VkDescriptorPool _pool = VK_NULL_HANDLE;
};
}
#endif

74
src/renderer/descriptors/vk_descriptor_set.cpp git.filemode.normal_file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_descriptor_set.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/01/23 18:40:44 by maldavid #+# #+# */
/* Updated: 2023/01/23 18:54:28 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#include "vk_descriptor_set.h"
#include "vk_descriptor_pool.h"
#include "vk_descriptor_set_layout.h"
#include <renderer/buffers/vk_ubo.h>
#include <renderer/renderer.h>
namespace mlx
{
void DescriptorSet::init(Renderer* renderer, UBO* ubo, DescriptorSetLayout& layout, DescriptorPool& pool)
{
_renderer = renderer;
auto device = Render_Core::get().getDevice().get();
_pool = pool.get();
std::array<VkDescriptorSetLayout, MAX_FRAMES_IN_FLIGHT> layouts;
layouts.fill(layout.get());
VkDescriptorSetAllocateInfo allocInfo{};
allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
allocInfo.descriptorPool = _pool;
allocInfo.descriptorSetCount = MAX_FRAMES_IN_FLIGHT;
allocInfo.pSetLayouts = layouts.data();
if(vkAllocateDescriptorSets(device, &allocInfo, _desc_set.data()) != VK_SUCCESS)
core::error::report(e_kind::fatal_error, "Vulkan : failed to allocate descriptor set");
for(int i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
{
VkDescriptorBufferInfo bufferInfo{};
bufferInfo.buffer = ubo->get(i);
bufferInfo.offset = ubo->getOffset(i);
bufferInfo.range = ubo->getSize(i);
VkWriteDescriptorSet descriptorWrite{};
descriptorWrite.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptorWrite.dstSet = _desc_set[i];
descriptorWrite.dstBinding = 0;
descriptorWrite.dstArrayElement = 0;
descriptorWrite.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptorWrite.descriptorCount = 1;
descriptorWrite.pBufferInfo = &bufferInfo;
vkUpdateDescriptorSets(device, 1, &descriptorWrite, 0, nullptr);
}
}
VkDescriptorSet& DescriptorSet::operator()() noexcept
{
return _desc_set[_renderer->getActiveImageIndex()];
}
VkDescriptorSet& DescriptorSet::get() noexcept
{
return _desc_set[_renderer->getActiveImageIndex()];
}
void DescriptorSet::destroy() noexcept
{
vkFreeDescriptorSets(Render_Core::get().getDevice().get(), _pool, MAX_FRAMES_IN_FLIGHT, _desc_set.data());
}
}

38
src/renderer/descriptors/vk_descriptor_set.h git.filemode.normal_file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_descriptor_set.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/01/23 18:39:36 by maldavid #+# #+# */
/* Updated: 2023/01/23 18:54:22 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef __VK_DESCRIPTOR_SET__
#define __VK_DESCRIPTOR_SET__
#include <volk.h>
#include <array>
#include <renderer/core/render_core.h>
namespace mlx
{
class DescriptorSet
{
public:
void init(class Renderer* renderer, class UBO* ubo, class DescriptorSetLayout& layout, class DescriptorPool& pool);
void destroy() noexcept;
VkDescriptorSet& operator()() noexcept;
VkDescriptorSet& get() noexcept;
private:
std::array<VkDescriptorSet, MAX_FRAMES_IN_FLIGHT> _desc_set;
VkDescriptorPool _pool = VK_NULL_HANDLE;
class Renderer* _renderer = nullptr;
};
}
#endif

40
src/renderer/descriptors/vk_descriptor_set_layout.cpp git.filemode.normal_file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_descriptor_set_layout.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/01/23 18:37:28 by maldavid #+# #+# */
/* Updated: 2023/01/23 18:45:32 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#include "vk_descriptor_set_layout.h"
#include <renderer/core/render_core.h>
namespace mlx
{
void DescriptorSetLayout::init(VkDescriptorType t, std::size_t n, int binding, VkShaderStageFlagBits stage)
{
VkDescriptorSetLayoutBinding bindings{};
bindings.binding = binding;
bindings.descriptorCount = 1;
bindings.descriptorType = t;
bindings.pImmutableSamplers = nullptr;
bindings.stageFlags = stage;
VkDescriptorSetLayoutCreateInfo layoutInfo{};
layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
layoutInfo.bindingCount = n;
layoutInfo.pBindings = &bindings;
if(vkCreateDescriptorSetLayout(Render_Core::get().getDevice().get(), &layoutInfo, nullptr, &_layout) != VK_SUCCESS)
core::error::report(e_kind::fatal_error, "Vulkan : failed to create descriptor set layout");
}
void DescriptorSetLayout::destroy() noexcept
{
vkDestroyDescriptorSetLayout(Render_Core::get().getDevice().get(), _layout, nullptr);
}
}

35
src/renderer/descriptors/vk_descriptor_set_layout.h git.filemode.normal_file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_descriptor_set_layout.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/01/23 18:36:22 by maldavid #+# #+# */
/* Updated: 2023/01/23 18:45:44 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef __VK_DESCRIPTOR_SET_LAYOUT__
#define __VK_DESCRIPTOR_SET_LAYOUT__
#include <volk.h>
#include <cstddef>
namespace mlx
{
class DescriptorSetLayout
{
public:
void init(VkDescriptorType t = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, std::size_t n = 1, int binding = 0, VkShaderStageFlagBits stage = VK_SHADER_STAGE_VERTEX_BIT);
void destroy() noexcept;
inline VkDescriptorSetLayout& operator()() noexcept { return _layout; }
inline VkDescriptorSetLayout& get() noexcept { return _layout; }
private:
VkDescriptorSetLayout _layout = VK_NULL_HANDLE;
};
}
#endif