28 lines
908 B
C++
28 lines
908 B
C++
#include <Memory/Memory.hpp>
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namespace mem {
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u32 choose_heap(vk::PhysicalDevice& phys_dev, const vk::MemoryRequirements& requirements, vk::MemoryPropertyFlags req_flags, vk::MemoryPropertyFlags pref_flags) {
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auto dev_props = phys_dev.getMemoryProperties();
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/* try to find an exact match for preferred flags first */
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for (u32 memory_type = 0; memory_type < 32; memory_type++) {
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if (requirements.memoryTypeBits & (1 << memory_type)) {
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const auto& type = dev_props.memoryTypes[memory_type];
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if ((type.propertyFlags & pref_flags) == pref_flags) {
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return type.heapIndex;
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}
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}
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}
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for (u32 memory_type = 0; memory_type < 32; memory_type++) {
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if (requirements.memoryTypeBits & (1 << memory_type)) {
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const auto& type = dev_props.memoryTypes[memory_type];
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if ((type.propertyFlags & req_flags) == req_flags) {
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return type.heapIndex;
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}
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}
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}
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return -1;
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}
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} |