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Signed-off-by: Slendi <slendi@socopon.com>
This commit is contained in:
Slendi
2025-12-03 00:02:17 +02:00
parent 94eb26d9bc
commit d7c5a05d02
13 changed files with 390 additions and 38 deletions
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57
src/DescriptorAllocator.cpp Normal file
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#include "DescriptorAllocator.h"
#include <vector>
#include "Util.h"
namespace Lunar {
auto DescriptorAllocator::init_pool(VkDevice dev, uint32_t max_sets,
std::span<PoolSizeRatio> pool_ratios) -> void
{
std::vector<VkDescriptorPoolSize> pool_sizes;
for (auto const &ratio : pool_ratios) {
pool_sizes.emplace_back(VkDescriptorPoolSize {
.type = ratio.type,
.descriptorCount = static_cast<uint32_t>(ratio.ratio * max_sets),
});
}
VkDescriptorPoolCreateInfo ci {};
ci.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
ci.pNext = nullptr;
ci.flags = 0;
ci.maxSets = max_sets;
ci.poolSizeCount = static_cast<uint32_t>(pool_sizes.size());
ci.pPoolSizes = pool_sizes.data();
vkCreateDescriptorPool(dev, &ci, nullptr, &pool);
}
auto DescriptorAllocator::clear_descriptors(VkDevice dev) -> void
{
vkResetDescriptorPool(dev, pool, 0);
}
auto DescriptorAllocator::destroy_pool(VkDevice dev) -> void
{
vkDestroyDescriptorPool(dev, pool, nullptr);
}
auto DescriptorAllocator::allocate(Logger &logger, VkDevice dev,
VkDescriptorSetLayout layout) -> VkDescriptorSet
{
VkDescriptorSetAllocateInfo ai {};
ai.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
ai.pNext = nullptr;
ai.descriptorPool = pool;
ai.descriptorSetCount = 1;
ai.pSetLayouts = &layout;
VkDescriptorSet ds;
VK_CHECK(logger, vkAllocateDescriptorSets(dev, &ai, &ds));
return ds;
}
} // namespace Lunar