quakeforge/libs/video/renderer/vulkan/buffer.c
Bill Currie 94565c2382 Rework much of the Vulkan array handling
So much for all those little wrappers hiding the device. Some survived,
but mostly just the bigger things like device, swapchain, etc.
2020-02-17 20:29:35 +09:00

165 lines
4.4 KiB
C

/*
buffer.c
Vulkan buffer functions
Copyright (C) 1996-1997 Id Software, Inc.
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
#ifdef HAVE_MATH_H
# include <math.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include "QF/cvar.h"
#include "QF/dstring.h"
#include "QF/input.h"
#include "QF/mathlib.h"
#include "QF/qargs.h"
#include "QF/quakefs.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "QF/vid.h"
#include "QF/Vulkan/qf_vid.h"
#include "QF/Vulkan/buffer.h"
#include "QF/Vulkan/device.h"
#include "QF/Vulkan/instance.h"
#include "QF/Vulkan/memory.h"
#include "compat.h"
#include "d_iface.h"
#include "r_internal.h"
#include "vid_vulkan.h"
#include "util.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;
}