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render/allocator: use udmabuf allocator automatically

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It makes sense to use udmabuf when the backend wants shm, the
renderer wants DMA-BUFs, and we don't have a DRM FD because we're
running with a software renderer (e.g. llvmpipe or lavapipe).
This commit is contained in:
Simon Ser 2024-10-03 12:33:38 +02:00
parent cfcf06b8b0
commit 9fdffba170
1 changed files with 18 additions and 0 deletions
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18
render/allocator/allocator.c
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@ -17,6 +17,10 @@
#include "render/allocator/gbm.h"
#endif
#if WLR_HAS_UDMABUF_ALLOCATOR
#include "render/allocator/udmabuf.h"
#endif
void wlr_allocator_init(struct wlr_allocator *alloc,
const struct wlr_allocator_interface *impl, uint32_t buffer_caps) {
assert(impl && impl->destroy && impl->create_buffer);
@ -146,6 +150,20 @@ struct wlr_allocator *wlr_allocator_autocreate(struct wlr_backend *backend,
wlr_log(WLR_DEBUG, "Failed to create drm dumb allocator");
}
uint32_t udmabuf_caps = WLR_BUFFER_CAP_DMABUF | WLR_BUFFER_CAP_SHM;
if ((backend_caps & udmabuf_caps) && (renderer_caps & udmabuf_caps) &&
drm_fd < 0) {
#if WLR_HAS_UDMABUF_ALLOCATOR
wlr_log(WLR_DEBUG, "Trying udmabuf allocator");
if ((alloc = wlr_udmabuf_allocator_create()) != NULL) {
return alloc;
}
wlr_log(WLR_DEBUG, "Failed to create udmabuf allocator");
#else
wlr_log(WLR_DEBUG, "Skipping udmabuf allocator: disabled at compile-time");
#endif
}
wlr_log(WLR_ERROR, "Failed to create allocator");
return NULL;
}