82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/*
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* Copyright © 2019 Raspberry Pi Ltd
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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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef V3DV_BO_H
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#define V3DV_BO_H
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struct v3dv_device;
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struct v3dv_bo {
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struct list_head list_link;
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uint32_t handle;
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uint64_t handle_bit;
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uint32_t size;
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uint32_t offset;
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uint32_t map_size;
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void *map;
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const char *name;
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/** Entry in the linked list of buffers freed, by age. */
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struct list_head time_list;
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/** Entry in the per-page-count linked list of buffers freed (by age). */
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struct list_head size_list;
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/** Approximate second when the bo was freed. */
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time_t free_time;
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/**
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* Whether only our process has a reference to the BO (meaning that
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* it's safe to reuse it in the BO cache).
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*/
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bool private;
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/**
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* If this BO was allocated for a swapchain on the display device, the
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* handle of the dumb BO on that device.
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*/
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int32_t dumb_handle;
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int32_t refcnt;
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};
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void v3dv_bo_init(struct v3dv_bo *bo, uint32_t handle, uint32_t size, uint32_t offset, const char *name, bool private);
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struct v3dv_bo *v3dv_bo_alloc(struct v3dv_device *device, uint32_t size, const char *name, bool private);
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bool v3dv_bo_free(struct v3dv_device *device, struct v3dv_bo *bo);
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bool v3dv_bo_wait(struct v3dv_device *device, struct v3dv_bo *bo, uint64_t timeout_ns);
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bool v3dv_bo_map_unsynchronized(struct v3dv_device *device, struct v3dv_bo *bo, uint32_t size);
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bool v3dv_bo_map(struct v3dv_device *device, struct v3dv_bo *bo, uint32_t size);
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void v3dv_bo_unmap(struct v3dv_device *device, struct v3dv_bo *bo);
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void v3dv_bo_cache_init(struct v3dv_device *device);
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void v3dv_bo_cache_destroy(struct v3dv_device *device);
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#endif /* V3DV_BO_H */
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