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/*
* Mesa 3-D graphics library
*
* Copyright (C) 2015 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Chia-I Wu <olv@lunarg.com>
*/
#ifndef ILO_VMA_H
#define ILO_VMA_H
#include "ilo_core.h"
#include "ilo_debug.h"
#include "ilo_dev.h"
struct intel_bo;
/**
* A virtual memory area.
*/
struct ilo_vma {
/* address space */
uint32_t vm_size;
uint32_t vm_alignment;
/* backing storage */
struct intel_bo *bo;
uint32_t bo_offset;
};
static inline bool
ilo_vma_init(struct ilo_vma *vma, const struct ilo_dev *dev,
uint32_t size, uint32_t alignment)
{
assert(ilo_is_zeroed(vma, sizeof(*vma)));
assert(size && alignment);
vma->vm_alignment = alignment;
vma->vm_size = size;
return true;
}
static inline void
ilo_vma_set_bo(struct ilo_vma *vma, const struct ilo_dev *dev,
struct intel_bo *bo, uint32_t offset)
{
assert(offset % vma->vm_alignment == 0);
vma->bo = bo;
vma->bo_offset = offset;
}
#endif /* ILO_VMA_H */
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