mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-28 15:12:36 +00:00
8e658eac78
Id Software had pretty much nothing to do with the vulkan renderer (they still get credit for code that's heavily based on the original quake code, of course).
145 lines
4.1 KiB
C
145 lines
4.1 KiB
C
/*
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buffer.c
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Vulkan buffer functions
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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/mathlib.h"
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#include "QF/Vulkan/qf_vid.h"
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#include "QF/Vulkan/buffer.h"
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#include "QF/Vulkan/device.h"
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#include "QF/Vulkan/instance.h"
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VkBuffer
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QFV_CreateBuffer (qfv_device_t *device, VkDeviceSize size,
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VkBufferUsageFlags usage)
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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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VkBufferCreateInfo createInfo = {
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VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, 0,
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0,
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size, usage, VK_SHARING_MODE_EXCLUSIVE,
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0, 0
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};
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VkBuffer buffer;
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dfunc->vkCreateBuffer (dev, &createInfo, 0, &buffer);
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return buffer;
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}
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VkDeviceMemory
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QFV_AllocBufferMemory (qfv_device_t *device,
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VkBuffer buffer, VkMemoryPropertyFlags properties,
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VkDeviceSize size, VkDeviceSize offset)
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{
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VkDevice dev = device->dev;
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qfv_physdev_t *physdev = device->physDev;
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VkPhysicalDeviceMemoryProperties *memprops = &physdev->memory_properties;
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qfv_devfuncs_t *dfunc = device->funcs;
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VkMemoryRequirements requirements;
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dfunc->vkGetBufferMemoryRequirements (dev, buffer, &requirements);
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size = max (size, offset + requirements.size);
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VkDeviceMemory object = 0;
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for (uint32_t type = 0; type < memprops->memoryTypeCount; type++) {
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if ((requirements.memoryTypeBits & (1 << type))
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&& ((memprops->memoryTypes[type].propertyFlags & properties)
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== properties)) {
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VkMemoryAllocateInfo allocate_info = {
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VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, 0,
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size, type
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};
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VkResult res = dfunc->vkAllocateMemory (dev, &allocate_info,
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0, &object);
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if (res == VK_SUCCESS) {
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break;
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}
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}
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}
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return object;
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}
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int
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QFV_BindBufferMemory (qfv_device_t *device,
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VkBuffer buffer, VkDeviceMemory object,
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VkDeviceSize offset)
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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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VkResult res = dfunc->vkBindBufferMemory (dev, buffer, object, offset);
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return res == VK_SUCCESS;
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}
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qfv_bufferbarrierset_t *
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QFV_CreateBufferTransitions (qfv_buffertransition_t *transitions,
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int numTransitions)
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{
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qfv_bufferbarrierset_t *barrierset;
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barrierset = DARRAY_ALLOCFIXED (*barrierset, numTransitions, malloc);
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for (int i = 0; i < numTransitions; i++) {
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barrierset->a[i].sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER;
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barrierset->a[i].pNext = 0;
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barrierset->a[i].srcAccessMask = transitions[i].srcAccess;
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barrierset->a[i].dstAccessMask = transitions[i].dstAccess;
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barrierset->a[i].srcQueueFamilyIndex = transitions[i].srcQueueFamily;
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barrierset->a[i].dstQueueFamilyIndex = transitions[i].dstQueueFamily;
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barrierset->a[i].buffer = transitions[i].buffer;
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barrierset->a[i].offset = transitions[i].offset;
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barrierset->a[i].size = transitions[i].size;
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}
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return barrierset;
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}
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VkBufferView
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QFV_CreateBufferView (qfv_device_t *device, VkBuffer buffer, VkFormat format,
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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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VkBufferViewCreateInfo createInfo = {
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VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO, 0,
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0,
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buffer, format, offset, size,
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};
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VkBufferView view;
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dfunc->vkCreateBufferView (dev, &createInfo, 0, &view);
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return view;
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}
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VkDeviceSize
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QFV_NextOffset (VkDeviceSize current, const VkMemoryRequirements *requirements)
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{
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VkDeviceSize align = requirements->alignment - 1;
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return ((current + align) & ~align);
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}
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