diff --git a/include/render/allocator.h b/include/render/allocator.h new file mode 100644 index 000000000..d47184af1 --- /dev/null +++ b/include/render/allocator.h @@ -0,0 +1,42 @@ +#ifndef RENDER_ALLOCATOR +#define RENDER_ALLOCATOR + +#include +#include +#include +#include + +struct wlr_allocator; + +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); +}; + +struct wlr_allocator { + const struct wlr_allocator_interface *impl; + + struct { + struct wl_signal destroy; + } events; +}; + +/** + * 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); + +// For wlr_allocator implementors +void wlr_allocator_init(struct wlr_allocator *alloc, + const struct wlr_allocator_interface *impl); + +#endif diff --git a/render/allocator.c b/render/allocator.c new file mode 100644 index 000000000..3638bd62a --- /dev/null +++ b/render/allocator.c @@ -0,0 +1,20 @@ +#include +#include +#include "render/allocator.h" + +void wlr_allocator_init(struct wlr_allocator *alloc, + const struct wlr_allocator_interface *impl) { + assert(impl && impl->destroy && impl->create_buffer); + alloc->impl = impl; + wl_signal_init(&alloc->events.destroy); +} + +void wlr_allocator_destroy(struct wlr_allocator *alloc) { + wl_signal_emit(&alloc->events.destroy, NULL); + alloc->impl->destroy(alloc); +} + +struct wlr_buffer *wlr_allocator_create_buffer(struct wlr_allocator *alloc, + int width, int height, const struct wlr_drm_format *format) { + return alloc->impl->create_buffer(alloc, width, height, format); +} diff --git a/render/meson.build b/render/meson.build index 9486c22de..58cc6761e 100644 --- a/render/meson.build +++ b/render/meson.build @@ -1,4 +1,5 @@ wlr_files += files( + 'allocator.c', 'dmabuf.c', 'egl.c', 'drm_format_set.c',