Remove the descriptor set pool associated with a MVKDescriptorSetLayout when the layout
is destroyed. MVKDescriptorPool and MVKDescriptorSetLayout track each other to tell the
other when it has been destroyed.
Advertise linear filtering of linear textures on macOS. I don't see any
reason this was disabled, and I don't know why I didn't turn it on in
PR #391.
Advertise that texel buffers of `VK_FORMAT_A2R10G10B10_UNORM_PACK32` are
supported. This was another oversight of mine in #391.
*Don't* advertise that sRGB formats can be used as vertex attributes.
I'm not sure what that would even mean--I'm guessing that the
implementation performs sRGB->linear conversion on the attribute before
loading it? But we don't do that and neither does Metal.
Remove use of autorelease.
Rename getXXX() functions that returned autoreleased objects to newXXX() that don't.
Calling functions now responsible for releasing returned objects from these functions.
Move creation and tracking of texture->texture views for copying to MVKImage.
MVKCmdCopyImage retrieve texture view from MVKImage.
MVKMTLFunction responsible for releasing its MTLFunction.
Add dev notes to README.md.
Correct maximum number of texel buffer elements for the native texture
buffer case. With an 8-bit format, I assume it's possible to create a
texture buffer spanning the entire 3.5 GiB (the maximum size of a buffer
on my GPU).
Set the structure type in the physical device's
`_texelBuffAlignProperties` struct. Otherwise, when it gets written out
to a chain, the structure type will be lost, and it wouldn't e.g. show
up in `vulkaninfo`.
Fix enumeration of formats when one of the members of the
`VkFormatProperties` is zero. I intended that to mean "don't care," but
it was erroneously filtering out, well, everything. Now we actually
accurately report the minimum alignment requirements.
The documentation for the corresponding Metal format recommends using it
on displays with wide-color output to reduce banding artifacts, and thus
implies that it is possible to use it with a CAMetalLayer.
This extension lets implementations report separate limits for uniform
and storage texel buffers, as well as whether or not the required
alignment is only a single texel of the buffer view's format.
This information is available in Metal, but only through an API query.
We must query the required alignment for every buffer view format we
support.
Update Vulkan-Headers to pull in support for this new extension.
Only some of the color spaces provided by this extension are supported.
macOS 10.12 supports a few more. macOS 10.14 (at least, according to the
*10.15* SDK) supports even more. (But that needs a change to the
Metal-3.0 branch.)
I've chosen to group by color space. That way, programs will find the
all the supported formats early on. Programs that are interested in
the color space can keep looking.
This is supported by Mac GPU Family 2 starting on macOS 10.14, and Apple
GPU Family 5 starting on iOS 12.
Supporting this is a bit tricky. Because only some devices support this
extension, we now have to keep track of supported device extensions per
device.
