gbm: Move majority of gbmint.h to gbm_backend_abi.h
The content of gbm_backend_abi.h are nearly an identical copy of the old gbmint.h. Only minimal modifications have been made to ease history tracking. Subsequent changes will further formalize the ABI structures in gbm_backend_abi.h Signed-off-by: James Jones <jajones@nvidia.com> Reviewed-by: Michel Dänzer <mdaenzer@redhat.com> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9902>
This commit is contained in:
James Jones
135
src/gbm/main/gbm_backend_abi.h
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135
src/gbm/main/gbm_backend_abi.h
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/*
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* Copyright © 2011 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Benjamin Franzke <benjaminfranzke@googlemail.com>
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*/
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#ifndef GBM_BACKEND_ABI_H_
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#define GBM_BACKEND_ABI_H_
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#include "gbm.h"
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/**
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* \file gbm_backend_abi.h
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* \brief ABI between the GBM loader and its backends
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*/
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struct gbm_backend_desc;
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/**
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* The device used for the memory allocation.
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*
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* The members of this structure should be not accessed directly
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*/
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struct gbm_device {
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/* Hack to make a gbm_device detectable by its first element. */
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struct gbm_device *(*dummy)(int);
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const struct gbm_backend_desc *backend_desc;
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int fd;
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const char *name;
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void (*destroy)(struct gbm_device *gbm);
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int (*is_format_supported)(struct gbm_device *gbm,
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uint32_t format,
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uint32_t usage);
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int (*get_format_modifier_plane_count)(struct gbm_device *device,
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uint32_t format,
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uint64_t modifier);
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struct gbm_bo *(*bo_create)(struct gbm_device *gbm,
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uint32_t width, uint32_t height,
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uint32_t format,
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uint32_t usage,
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const uint64_t *modifiers,
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const unsigned int count);
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struct gbm_bo *(*bo_import)(struct gbm_device *gbm, uint32_t type,
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void *buffer, uint32_t usage);
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void *(*bo_map)(struct gbm_bo *bo,
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uint32_t x, uint32_t y,
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uint32_t width, uint32_t height,
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uint32_t flags, uint32_t *stride,
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void **map_data);
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void (*bo_unmap)(struct gbm_bo *bo, void *map_data);
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int (*bo_write)(struct gbm_bo *bo, const void *buf, size_t data);
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int (*bo_get_fd)(struct gbm_bo *bo);
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int (*bo_get_planes)(struct gbm_bo *bo);
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union gbm_bo_handle (*bo_get_handle)(struct gbm_bo *bo, int plane);
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int (*bo_get_plane_fd)(struct gbm_bo *bo, int plane);
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uint32_t (*bo_get_stride)(struct gbm_bo *bo, int plane);
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uint32_t (*bo_get_offset)(struct gbm_bo *bo, int plane);
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uint64_t (*bo_get_modifier)(struct gbm_bo *bo);
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void (*bo_destroy)(struct gbm_bo *bo);
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struct gbm_surface *(*surface_create)(struct gbm_device *gbm,
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uint32_t width, uint32_t height,
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uint32_t format, uint32_t flags,
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const uint64_t *modifiers,
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const unsigned count);
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struct gbm_bo *(*surface_lock_front_buffer)(struct gbm_surface *surface);
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void (*surface_release_buffer)(struct gbm_surface *surface,
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struct gbm_bo *bo);
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int (*surface_has_free_buffers)(struct gbm_surface *surface);
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void (*surface_destroy)(struct gbm_surface *surface);
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};
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/**
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* The allocated buffer object.
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*
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* The members in this structure should not be accessed directly.
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*/
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struct gbm_bo {
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struct gbm_device *gbm;
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uint32_t width;
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uint32_t height;
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uint32_t stride;
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uint32_t format;
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union gbm_bo_handle handle;
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void *user_data;
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void (*destroy_user_data)(struct gbm_bo *, void *);
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};
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struct gbm_surface {
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struct gbm_device *gbm;
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uint32_t width;
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uint32_t height;
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uint32_t format;
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uint32_t flags;
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struct {
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uint64_t *modifiers;
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unsigned count;
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};
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};
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struct gbm_backend {
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const char *backend_name;
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struct gbm_device *(*create_device)(int fd);
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};
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struct gbm_core {
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uint32_t (*format_canonicalize)(uint32_t gbm_format);
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};
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#endif
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@@ -1,5 +1,6 @@
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/*
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/*
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* Copyright © 2011 Intel Corporation
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* Copyright © 2011 Intel Corporation
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* Copyright © 2021 NVIDIA Corporation
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*
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* copy of this software and associated documentation files (the "Software"),
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@@ -23,12 +24,13 @@
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*
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*
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* Authors:
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* Authors:
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* Benjamin Franzke <benjaminfranzke@googlemail.com>
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* Benjamin Franzke <benjaminfranzke@googlemail.com>
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* James Jones <jajones@nvidia.com>
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*/
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*/
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#ifndef INTERNAL_H_
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#ifndef INTERNAL_H_
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#define INTERNAL_H_
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#define INTERNAL_H_
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#include "gbm.h"
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#include "gbm_backend_abi.h"
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/* GCC visibility */
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/* GCC visibility */
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#if defined(__GNUC__)
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#if defined(__GNUC__)
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* \brief Internal implementation details of gbm
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* \brief Internal implementation details of gbm
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*/
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*/
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struct gbm_backend_desc;
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/**
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* The device used for the memory allocation.
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*
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* The members of this structure should be not accessed directly
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*/
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struct gbm_device {
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/* Hack to make a gbm_device detectable by its first element. */
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struct gbm_device *(*dummy)(int);
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const struct gbm_backend_desc *backend_desc;
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int fd;
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const char *name;
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void (*destroy)(struct gbm_device *gbm);
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int (*is_format_supported)(struct gbm_device *gbm,
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uint32_t format,
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uint32_t usage);
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int (*get_format_modifier_plane_count)(struct gbm_device *device,
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uint32_t format,
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uint64_t modifier);
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struct gbm_bo *(*bo_create)(struct gbm_device *gbm,
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uint32_t width, uint32_t height,
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uint32_t format,
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uint32_t usage,
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const uint64_t *modifiers,
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const unsigned int count);
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struct gbm_bo *(*bo_import)(struct gbm_device *gbm, uint32_t type,
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void *buffer, uint32_t usage);
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void *(*bo_map)(struct gbm_bo *bo,
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uint32_t x, uint32_t y,
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uint32_t width, uint32_t height,
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uint32_t flags, uint32_t *stride,
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void **map_data);
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void (*bo_unmap)(struct gbm_bo *bo, void *map_data);
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int (*bo_write)(struct gbm_bo *bo, const void *buf, size_t data);
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int (*bo_get_fd)(struct gbm_bo *bo);
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int (*bo_get_planes)(struct gbm_bo *bo);
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union gbm_bo_handle (*bo_get_handle)(struct gbm_bo *bo, int plane);
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int (*bo_get_plane_fd)(struct gbm_bo *bo, int plane);
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uint32_t (*bo_get_stride)(struct gbm_bo *bo, int plane);
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uint32_t (*bo_get_offset)(struct gbm_bo *bo, int plane);
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uint64_t (*bo_get_modifier)(struct gbm_bo *bo);
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void (*bo_destroy)(struct gbm_bo *bo);
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struct gbm_surface *(*surface_create)(struct gbm_device *gbm,
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uint32_t width, uint32_t height,
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uint32_t format, uint32_t flags,
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const uint64_t *modifiers,
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const unsigned count);
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struct gbm_bo *(*surface_lock_front_buffer)(struct gbm_surface *surface);
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void (*surface_release_buffer)(struct gbm_surface *surface,
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struct gbm_bo *bo);
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int (*surface_has_free_buffers)(struct gbm_surface *surface);
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void (*surface_destroy)(struct gbm_surface *surface);
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};
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/**
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* The allocated buffer object.
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*
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* The members in this structure should not be accessed directly.
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*/
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struct gbm_bo {
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struct gbm_device *gbm;
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uint32_t width;
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uint32_t height;
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uint32_t stride;
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uint32_t format;
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union gbm_bo_handle handle;
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void *user_data;
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void (*destroy_user_data)(struct gbm_bo *, void *);
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};
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struct gbm_surface {
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struct gbm_device *gbm;
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uint32_t width;
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uint32_t height;
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uint32_t format;
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uint32_t flags;
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struct {
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uint64_t *modifiers;
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unsigned count;
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};
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};
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struct gbm_backend {
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const char *backend_name;
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struct gbm_device *(*create_device)(int fd);
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};
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struct gbm_core {
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uint32_t (*format_canonicalize)(uint32_t gbm_format);
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};
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extern struct gbm_core gbm_core;
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extern struct gbm_core gbm_core;
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#endif
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#endif
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