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pre-allocate space for local descriptor set handles

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Dzmitry Malyshau 2018-07-25 21:45:44 -04:00
parent 220dcfc4ef
commit 7d0c4d2a9d
1 changed files with 4 additions and 3 deletions
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7
libportability-gfx/src/impls.rs
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@ -2339,6 +2339,7 @@ pub extern "C" fn gfxCreateDescriptorPool(
pDescriptorPool: *mut VkDescriptorPool, pDescriptorPool: *mut VkDescriptorPool,
) -> VkResult { ) -> VkResult {
let info = unsafe { &*pCreateInfo }; let info = unsafe { &*pCreateInfo };
let max_sets = info.maxSets as usize;
let pool_sizes = unsafe { let pool_sizes = unsafe {
slice::from_raw_parts(info.pPoolSizes, info.poolSizeCount as _) slice::from_raw_parts(info.pPoolSizes, info.poolSizeCount as _)
@ -2355,12 +2356,12 @@ pub extern "C" fn gfxCreateDescriptorPool(
let pool = super::DescriptorPool { let pool = super::DescriptorPool {
raw: gpu.device raw: gpu.device
.create_descriptor_pool(info.maxSets as _, ranges), .create_descriptor_pool(max_sets, ranges),
temp_sets: Vec::with_capacity(info.maxSets as _), temp_sets: Vec::with_capacity(max_sets),
set_handles: if info.flags & VkDescriptorPoolCreateFlagBits::VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT as u32 != 0 { set_handles: if info.flags & VkDescriptorPoolCreateFlagBits::VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT as u32 != 0 {
None None
} else { } else {
Some(Vec::new()) Some(Vec::with_capacity(max_sets))
}, },
}; };