b9ca801324
MOD_INVALID came with libdrm 2.4.83 and MOD_LINEAR came with libdrm 2.4.82. libweston unconditionally depends on libdrm >= 2.4.95, so the fallback is not necessary. Since linux-dmabuf.h itself has no use for these and also forgets to include drm_fourcc.h, .c files including drm_fourcc.h after this header would trigger compiler warnings. linux-dmabuf.c does need these, so add the proper include. Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
98 lines
3.2 KiB
C
98 lines
3.2 KiB
C
/*
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* Copyright © 2014, 2015 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef WESTON_LINUX_DMABUF_H
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#define WESTON_LINUX_DMABUF_H
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#include <stdint.h>
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#define MAX_DMABUF_PLANES 4
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struct linux_dmabuf_buffer;
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typedef void (*dmabuf_user_data_destroy_func)(
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struct linux_dmabuf_buffer *buffer);
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struct dmabuf_attributes {
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int32_t width;
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int32_t height;
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uint32_t format;
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uint32_t flags; /* enum zlinux_buffer_params_flags */
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int n_planes;
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int fd[MAX_DMABUF_PLANES];
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uint32_t offset[MAX_DMABUF_PLANES];
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uint32_t stride[MAX_DMABUF_PLANES];
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uint64_t modifier[MAX_DMABUF_PLANES];
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};
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struct linux_dmabuf_buffer {
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struct wl_resource *buffer_resource;
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struct wl_resource *params_resource;
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struct weston_compositor *compositor;
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struct dmabuf_attributes attributes;
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void *user_data;
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dmabuf_user_data_destroy_func user_data_destroy_func;
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/* XXX:
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*
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* Add backend private data. This would be for the backend
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* to do all additional imports it might ever use in advance.
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* The basic principle, even if not implemented in drivers today,
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* is that dmabufs are first attached, but the actual allocation
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* is deferred to first use. This would allow the exporter and all
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* attachers to agree on how to allocate.
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*
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* The DRM backend would use this to create drmFBs for each
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* dmabuf_buffer, just in case at some point it would become
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* feasible to scan it out directly. This would improve the
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* possibilities to successfully scan out, avoiding compositing.
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*/
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/**< marked as scan-out capable, avoids any composition */
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bool direct_display;
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};
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int
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linux_dmabuf_setup(struct weston_compositor *compositor);
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int
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weston_direct_display_setup(struct weston_compositor *compositor);
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struct linux_dmabuf_buffer *
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linux_dmabuf_buffer_get(struct wl_resource *resource);
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void
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linux_dmabuf_buffer_set_user_data(struct linux_dmabuf_buffer *buffer,
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void *data,
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dmabuf_user_data_destroy_func func);
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void *
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linux_dmabuf_buffer_get_user_data(struct linux_dmabuf_buffer *buffer);
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void
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linux_dmabuf_buffer_send_server_error(struct linux_dmabuf_buffer *buffer,
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const char *msg);
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#endif /* WESTON_LINUX_DMABUF_H */
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