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Check for None in gfxGet{Instance|Device}ProcAddr

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This commit is contained in:
Joshua Groves 2018-06-17 16:17:06 -06:00
parent 967cd9b445
commit 321cc54f81
1 changed files with 22 additions and 2 deletions
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24
libportability-gfx/src/impls.rs
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@ -312,7 +312,7 @@ pub extern "C" fn gfxGetPhysicalDeviceMemoryProperties(
}
#[inline]
pub extern "C" fn gfxGetInstanceProcAddr(
_instance: VkInstance,
instance: VkInstance,
pName: *const ::std::os::raw::c_char,
) -> PFN_vkVoidFunction {
let name = unsafe { CStr::from_ptr(pName) };
@ -326,6 +326,22 @@ pub extern "C" fn gfxGetInstanceProcAddr(
return device_addr;
}
match name {
"vkEnumerateInstanceVersion" |
"vkEnumerateInstanceExtensionProperties" |
"vkEnumerateInstanceLayerProperties" |
"vkCreateInstance" => {
// Instance is not required for these special cases
// See https://www.khronos.org/registry/vulkan/specs/1.1-extensions/man/html/vkGetInstanceProcAddr.html
},
_ => {
if instance.as_ref().is_none() {
return None;
}
}
}
proc_addr!{ name,
vkCreateInstance, PFN_vkCreateInstance => gfxCreateInstance,
vkDestroyInstance, PFN_vkDestroyInstance => gfxDestroyInstance,
@ -360,7 +376,7 @@ pub extern "C" fn gfxGetInstanceProcAddr(
#[inline]
pub extern "C" fn gfxGetDeviceProcAddr(
_device: VkDevice,
device: VkDevice,
pName: *const ::std::os::raw::c_char,
) -> PFN_vkVoidFunction {
let name = unsafe { CStr::from_ptr(pName) };
@ -369,6 +385,10 @@ pub extern "C" fn gfxGetDeviceProcAddr(
Err(_) => return None,
};
if device.as_ref().is_none() {
return None;
}
proc_addr!{ name,
vkGetDeviceProcAddr, PFN_vkGetDeviceProcAddr => gfxGetDeviceProcAddr,
vkDestroyDevice, PFN_vkDestroyDevice => gfxDestroyDevice,