/* * 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 */ #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 */