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Simplify example surface format selection

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According to specs for vkGetPhysicalDeviceSurfaceFormatsKHR(), at least
one surface format must be returned, and returned formats must not be
VK_FORMAT_UNDEFINED.
This commit is contained in:
Steve Wooster 2020-05-14 00:06:57 -07:00 committed by Benjamin Saunders
parent 64d1705730
commit 5d5fc57746
1 changed files with 3 additions and 13 deletions
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16
examples/src/lib.rs
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@ -326,20 +326,10 @@ impl ExampleBase {
let present_queue = device.get_device_queue(queue_family_index as u32, 0); let present_queue = device.get_device_queue(queue_family_index as u32, 0);
let surface_formats = surface_loader let surface_format = surface_loader
.get_physical_device_surface_formats(pdevice, surface) .get_physical_device_surface_formats(pdevice, surface)
.unwrap(); .unwrap()[0];
let surface_format = surface_formats
.iter()
.map(|sfmt| match sfmt.format {
vk::Format::UNDEFINED => vk::SurfaceFormatKHR {
format: vk::Format::B8G8R8_UNORM,
color_space: sfmt.color_space,
},
_ => *sfmt,
})
.next()
.expect("Unable to find suitable surface format.");
let surface_capabilities = surface_loader let surface_capabilities = surface_loader
.get_physical_device_surface_capabilities(pdevice, surface) .get_physical_device_surface_capabilities(pdevice, surface)
.unwrap(); .unwrap();