If the window is flagged with SDL_WINDOW_TRANSPARENT, create the associated swapchain with a composite alpha value that supports blending, if available.
Fixes transparent windows on the Vulkan backend, and prevents possible validation errors by ensuring that the composite alpha value is always a valid bit in VkSurfaceCapabilitiesKHR::supportedCompositeAlpha.
I changed it so that the OS does the orientation change itself with a potential performance penalty.
This makes it automatically do the right thing, just like on iOS which would make the orientation change behaviour more consistent across different platforms.
But without adding an option to the user, this would disallow the user solving the problem in his in the app/shaders and saving some performance.
It's up to you to decide what to do. But I changed this in my local copy of the source for my use case.
But this also
This was intended to make the API public, so SDL_hashtable.h got an extreme
documentation makeover, but for now this remains a private header.
This makes several significant interface changes to SDL_HashTable, and
improves code that makes use of it in various ways.
- The ability to make "stackable" tables is removed. Apparently this still
worked with the current implementation, but I could see a future
implementation struggle mightily to support this. It'll be better for
something external to build on top of the table if it needs it, inserting a
linked list of stacked items as the hash values and managing them separately.
There was only one place in SDL using this, unnecessarily, and that has also
been cleaned up to not need it.
- You no longer specify "buckets" when creating a table, but rather an
estimated number of items the table is meant to hold. The bucket count was
crucial to our classic hashtable implementation, but meant less once we
moved to an Open Addressing implementation anyhow, since the bucket count
isn't static (and they aren't really "buckets" anymore either). Now you
can just report how many items you think the hash will hold and SDL will
allocate a reasonable default for you...or 0 to not guess, and SDL will
start small and grow as necessary, which is often the correct thing to do.
- There's no more SDL_IterateHashTableKey because there's no more "stackable"
hash tables.
- SDL_IterateHashTable() now uses a callback, which matches other parts of SDL,
and also lets us hold the read-lock for the entire iteration and get rid of
the goofy iterator state variable.
- SDL_InsertIntoHashTable() now lets you specify whether to replace existing
keys or fail if the key already exists.
- Callbacks now use SDL conventions (userdata as the first param).
- Other naming convention fixes.
I discovered we use a lot of hash tables in SDL3 internally. :) So the bulk
of this work is fixing up that code to use the new interfaces, and simplifying
things (like checking for an item to remove it if it already exists before
inserting a replacement...just do the insert atomically, it'll do all that
for you!).
src/gpu/vulkan/SDL_gpu_vulkan.c:763: error: redefinition of typedef 'VulkanUniformBuffer'
src/gpu/vulkan/SDL_gpu_vulkan.c:482: note: previous declaration of 'VulkanUniformBuffer' was here
The SDL_GPUColorTargetInfo structure needs to be zeroed, as otherwise we
can end up trying to create a resolve_texture which doesn't exist,
causing a rather difficult-to-debug segfault when calling
SDL_BlitGPUTexture() with a load op of SDL_GPU_LOADOP_CLEAR.
