From 02a1ae169e66f53f2174add581c19d165d8ba882 Mon Sep 17 00:00:00 2001 From: Simon Zeni Date: Tue, 9 Nov 2021 09:42:22 -0500 Subject: render/allocator: make wlr_allocator part of the public API --- include/wlr/render/allocator.h | 58 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 include/wlr/render/allocator.h (limited to 'include/wlr/render') diff --git a/include/wlr/render/allocator.h b/include/wlr/render/allocator.h new file mode 100644 index 00000000..3caeffa0 --- /dev/null +++ b/include/wlr/render/allocator.h @@ -0,0 +1,58 @@ +/* + * This an unstable interface of wlroots. No guarantees are made regarding the + * future consistency of this API. + */ +#ifndef WLR_USE_UNSTABLE +#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features" +#endif + +#ifndef WLR_ALLOCATOR_H +#define WLR_ALLOCATOR_H + +#include + +struct wlr_allocator; +struct wlr_backend; +struct wlr_drm_format; +struct wlr_renderer; + +struct wlr_allocator_interface { + struct wlr_buffer *(*create_buffer)(struct wlr_allocator *alloc, + int width, int height, const struct wlr_drm_format *format); + void (*destroy)(struct wlr_allocator *alloc); +}; + +void wlr_allocator_init(struct wlr_allocator *alloc, + const struct wlr_allocator_interface *impl, uint32_t buffer_caps); + +struct wlr_allocator { + const struct wlr_allocator_interface *impl; + + // Capabilities of the buffers created with this allocator + uint32_t buffer_caps; + + struct { + struct wl_signal destroy; + } events; +}; + +/** + * Creates the adequate wlr_allocator given a backend and a renderer + */ +struct wlr_allocator *wlr_allocator_autocreate(struct wlr_backend *backend, + struct wlr_renderer *renderer); +/** + * Destroy the allocator. + */ +void wlr_allocator_destroy(struct wlr_allocator *alloc); + +/** + * Allocate a new buffer. + * + * When the caller is done with it, they must unreference it by calling + * wlr_buffer_drop. + */ +struct wlr_buffer *wlr_allocator_create_buffer(struct wlr_allocator *alloc, + int width, int height, const struct wlr_drm_format *format); + +#endif -- cgit v1.2.3