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https://git.code.sf.net/p/quake/quakeforge
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64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/*
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memory.c
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Vulkan memory functions
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2020 Bill Currie <bill@taniwha.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "QF/Vulkan/qf_vid.h"
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#include "QF/Vulkan/device.h"
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#include "QF/Vulkan/memory.h"
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void *
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QFV_MapMemory (qfv_device_t *device, VkDeviceMemory object,
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VkDeviceSize offset, VkDeviceSize size)
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{
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VkDevice dev = device->dev;
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qfv_devfuncs_t *dfunc = device->funcs;
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void *map = 0;
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dfunc->vkMapMemory (dev, object, offset, size, 0, &map);
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return map;
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}
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void
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QFV_FlushMemory (qfv_device_t *device, qfv_mappedmemrangeset_t *flushRanges)
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{
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VkDevice dev = device->dev;
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qfv_devfuncs_t *dfunc = device->funcs;
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VkMappedMemoryRange *ranges = alloca(sizeof (*ranges) * flushRanges->size);
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for (uint32_t i = 0; i < flushRanges->size; i++) {
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ranges[i].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
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ranges[i].pNext = 0;
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ranges[i].memory = flushRanges->a[i].object;
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ranges[i].offset = flushRanges->a[i].offset;
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ranges[i].size = flushRanges->a[i].size;
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}
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dfunc->vkFlushMappedMemoryRanges (dev, flushRanges->size, ranges);
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}
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