mirror of https://gitlab.freedesktop.org/mesa/mesa
102 lines
3.7 KiB
C
102 lines
3.7 KiB
C
/*
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* Copyright © 2022 Imagination Technologies Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* 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 THE
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* 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 FROM,
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* OUT OF OR IN 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 PVR_BO_H
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#define PVR_BO_H
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#include <stddef.h>
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#include <stdint.h>
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#include <vulkan/vulkan.h>
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#include "util/list.h"
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#include "util/macros.h"
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struct pvr_device;
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struct pvr_winsys_bo;
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struct pvr_winsys_vma;
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struct pvr_winsys_heap;
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struct pvr_bo {
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/* Since multiple components (csb, caching logic, etc) can make use of
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* linking buffers in a list, we add 'link' in pvr_bo to avoid an extra
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* level of structure inheritance. It's the responsibility of the buffer
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* user to manage the list and remove the buffer from the list before
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* freeing it.
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*/
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struct list_head link;
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struct pvr_winsys_bo *bo;
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struct pvr_winsys_vma *vma;
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};
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/**
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* \brief Flag passed to #pvr_bo_alloc() to indicate that the buffer should be
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* CPU accessible. This is required in order to map a buffer with
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* #pvr_bo_cpu_map().
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*/
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#define PVR_BO_ALLOC_FLAG_CPU_ACCESS BITFIELD_BIT(0U)
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/**
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* \brief Flag passed to #pvr_bo_alloc() to indicate that the buffer should
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* be mapped to the CPU. Implies #PVR_BO_ALLOC_FLAG_CPU_ACCESS.
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*/
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#define PVR_BO_ALLOC_FLAG_CPU_MAPPED BITFIELD_BIT(1U)
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/**
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* \brief Flag passed to #pvr_bo_alloc() to indicate that the buffer should be
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* mapped to the GPU as uncached.
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*/
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#define PVR_BO_ALLOC_FLAG_GPU_UNCACHED BITFIELD_BIT(2U)
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/**
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* \brief Flag passed to #pvr_bo_alloc() to indicate that the buffer GPU mapping
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* should be restricted to only allow access to the Parameter Manager unit and
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* firmware processor.
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*/
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#define PVR_BO_ALLOC_FLAG_PM_FW_PROTECT BITFIELD_BIT(3U)
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/**
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* \brief Flag passed to #pvr_bo_alloc() to indicate that the buffer should be
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* zeroed at allocation time.
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*/
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#define PVR_BO_ALLOC_FLAG_ZERO_ON_ALLOC BITFIELD_BIT(4U)
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VkResult pvr_bo_alloc(struct pvr_device *device,
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struct pvr_winsys_heap *heap,
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uint64_t size,
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uint64_t alignment,
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uint64_t flags,
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struct pvr_bo **const bo_out);
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void *pvr_bo_cpu_map(struct pvr_device *device, struct pvr_bo *bo);
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void pvr_bo_cpu_unmap(struct pvr_device *device, struct pvr_bo *bo);
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void pvr_bo_free(struct pvr_device *device, struct pvr_bo *bo);
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#if defined(HAVE_VALGRIND)
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void *pvr_bo_cpu_map_unchanged(struct pvr_device *device,
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struct pvr_bo *pvr_bo);
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#else /* defined(HAVE_VALGRIND) */
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static ALWAYS_INLINE void *pvr_bo_cpu_map_unchanged(struct pvr_device *device,
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struct pvr_bo *pvr_bo)
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{
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return pvr_bo_cpu_map(device, pvr_bo);
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}
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#endif /* defined(HAVE_VALGRIND) */
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#endif /* PVR_BO_H */
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