30 lines
996 B
Rust
30 lines
996 B
Rust
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use ash::vk;
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use librashader_reflect::reflect::semantics::BindingStage;
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pub fn binding_stage_to_vulkan_stage(stage_mask: BindingStage) -> vk::ShaderStageFlags {
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let mut mask = vk::ShaderStageFlags::default();
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if stage_mask.contains(BindingStage::VERTEX) {
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mask |= vk::ShaderStageFlags::VERTEX;
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}
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if stage_mask.contains(BindingStage::FRAGMENT) {
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mask |= vk::ShaderStageFlags::FRAGMENT;
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}
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mask
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}
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pub fn find_vulkan_memory_type(props: &vk::PhysicalDeviceMemoryProperties, device_reqs: u32, host_reqs: vk::MemoryPropertyFlags) -> u32 {
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for i in 0..vk::MAX_MEMORY_TYPES {
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if device_reqs & (1 << i) != 0
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&& props.memory_types[i].property_flags & host_reqs == host_reqs {
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return i as u32
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}
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}
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if host_reqs == vk::MemoryPropertyFlags::empty() {
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panic!("[vk] Failed to find valid memory type.")
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} else {
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find_vulkan_memory_type(props, device_reqs, vk::MemoryPropertyFlags::empty())
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}
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}
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