descriptors_handler_internal.h

#pragma once
 
#include "pixelbullet/private/graphics/rendering/descriptors/descriptor.h"
#include "pixelbullet/private/graphics/rendering/pipelines/pipeline_metadata.h"
 
#include <optional>
#include <string>
#include <utility>
#include <vector>
 
namespace pixelbullet::graphics_descriptors_internal
{
struct PreparedDescriptorWrite
{
    uint32_t set = 0;
    WriteDescriptorSet write_descriptor;
};
 
WriteDescriptorSet BuildArrayWriteDescriptorSet(const std::string& descriptor_name, const DescriptorBindingInfo& binding,
                                                const std::vector<const Descriptor*>& descriptors,
                                                const std::optional<OffsetSize>& offset_size);
std::vector<std::vector<VkWriteDescriptorSet>>
BuildWriteDescriptorSetsBySet(const std::vector<PreparedDescriptorWrite>& descriptor_writes,
                              const std::vector<std::vector<VkDescriptorSet>>& descriptor_sets_by_set, uint32_t descriptor_index);
std::vector<VkDescriptorSet> CollectDescriptorSetsForBind(const std::vector<std::vector<VkDescriptorSet>>& descriptor_sets_by_set,
                                                          uint32_t descriptor_index);
 
template <typename WaitIdleFn, typename ReplaceFn>
bool ApplySafeDescriptorSetReplacementPolicy(const bool has_live_descriptor_sets, WaitIdleFn&& wait_idle, ReplaceFn&& replace)
{
    if (has_live_descriptor_sets)
    {
        std::forward<WaitIdleFn>(wait_idle)();
    }
 
    std::forward<ReplaceFn>(replace)();
    return has_live_descriptor_sets;
}
} // namespace pixelbullet::graphics_descriptors_internal