mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-27 14:42:07 +00:00
144 lines
4 KiB
C
144 lines
4 KiB
C
/*
|
|
buffer.c
|
|
|
|
Vulkan buffer functions
|
|
|
|
Copyright (C) 2020 Bill Currie <bill@taniwha.org>
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include "QF/mathlib.h"
|
|
#include "QF/Vulkan/buffer.h"
|
|
#include "QF/Vulkan/device.h"
|
|
#include "QF/Vulkan/instance.h"
|
|
|
|
VkBuffer
|
|
QFV_CreateBuffer (qfv_device_t *device, VkDeviceSize size,
|
|
VkBufferUsageFlags usage)
|
|
{
|
|
VkDevice dev = device->dev;
|
|
qfv_devfuncs_t *dfunc = device->funcs;
|
|
VkBufferCreateInfo createInfo = {
|
|
VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, 0,
|
|
0,
|
|
size, usage, VK_SHARING_MODE_EXCLUSIVE,
|
|
0, 0
|
|
};
|
|
VkBuffer buffer;
|
|
dfunc->vkCreateBuffer (dev, &createInfo, 0, &buffer);
|
|
return buffer;
|
|
}
|
|
|
|
VkDeviceMemory
|
|
QFV_AllocBufferMemory (qfv_device_t *device,
|
|
VkBuffer buffer, VkMemoryPropertyFlags properties,
|
|
VkDeviceSize size, VkDeviceSize offset)
|
|
{
|
|
VkDevice dev = device->dev;
|
|
qfv_physdev_t *physdev = device->physDev;
|
|
VkPhysicalDeviceMemoryProperties *memprops = &physdev->memory_properties;
|
|
qfv_devfuncs_t *dfunc = device->funcs;
|
|
|
|
VkMemoryRequirements requirements;
|
|
dfunc->vkGetBufferMemoryRequirements (dev, buffer, &requirements);
|
|
|
|
size = max (size, offset + requirements.size);
|
|
VkDeviceMemory object = 0;
|
|
|
|
for (uint32_t type = 0; type < memprops->memoryTypeCount; type++) {
|
|
if ((requirements.memoryTypeBits & (1 << type))
|
|
&& ((memprops->memoryTypes[type].propertyFlags & properties)
|
|
== properties)) {
|
|
VkMemoryAllocateInfo allocate_info = {
|
|
VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, 0,
|
|
size, type
|
|
};
|
|
|
|
VkResult res = dfunc->vkAllocateMemory (dev, &allocate_info,
|
|
0, &object);
|
|
if (res == VK_SUCCESS) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return object;
|
|
}
|
|
|
|
int
|
|
QFV_BindBufferMemory (qfv_device_t *device,
|
|
VkBuffer buffer, VkDeviceMemory object,
|
|
VkDeviceSize offset)
|
|
{
|
|
VkDevice dev = device->dev;
|
|
qfv_devfuncs_t *dfunc = device->funcs;
|
|
VkResult res = dfunc->vkBindBufferMemory (dev, buffer, object, offset);
|
|
return res == VK_SUCCESS;
|
|
}
|
|
|
|
qfv_bufferbarrierset_t *
|
|
QFV_CreateBufferTransitions (qfv_buffertransition_t *transitions,
|
|
int numTransitions)
|
|
{
|
|
qfv_bufferbarrierset_t *barrierset;
|
|
barrierset = DARRAY_ALLOCFIXED (*barrierset, numTransitions, malloc);
|
|
|
|
for (int i = 0; i < numTransitions; i++) {
|
|
barrierset->a[i].sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER;
|
|
barrierset->a[i].pNext = 0;
|
|
barrierset->a[i].srcAccessMask = transitions[i].srcAccess;
|
|
barrierset->a[i].dstAccessMask = transitions[i].dstAccess;
|
|
barrierset->a[i].srcQueueFamilyIndex = transitions[i].srcQueueFamily;
|
|
barrierset->a[i].dstQueueFamilyIndex = transitions[i].dstQueueFamily;
|
|
barrierset->a[i].buffer = transitions[i].buffer;
|
|
barrierset->a[i].offset = transitions[i].offset;
|
|
barrierset->a[i].size = transitions[i].size;
|
|
}
|
|
return barrierset;
|
|
}
|
|
|
|
VkBufferView
|
|
QFV_CreateBufferView (qfv_device_t *device, VkBuffer buffer, VkFormat format,
|
|
VkDeviceSize offset, VkDeviceSize size)
|
|
{
|
|
VkDevice dev = device->dev;
|
|
qfv_devfuncs_t *dfunc = device->funcs;
|
|
|
|
VkBufferViewCreateInfo createInfo = {
|
|
VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO, 0,
|
|
0,
|
|
buffer, format, offset, size,
|
|
};
|
|
|
|
VkBufferView view;
|
|
dfunc->vkCreateBufferView (dev, &createInfo, 0, &view);
|
|
return view;
|
|
}
|
|
|
|
VkDeviceSize
|
|
QFV_NextOffset (VkDeviceSize current, const VkMemoryRequirements *requirements)
|
|
{
|
|
VkDeviceSize align = requirements->alignment - 1;
|
|
return ((current + align) & ~align);
|
|
}
|