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/*
* Vulkan device class
*
* Encapsulates a physical Vulkan device and it's logical representation
*
* Copyright (C) 2016-2018 by Sascha Willems - www.saschawillems.de
*
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
*/
#pragma once
#include "vke.h"
//#include "VulkanBuffer.hpp"
namespace vks
{
struct vkPhyInfo{
VkPhysicalDevice phy;
VkPhysicalDeviceMemoryProperties memProps;
VkPhysicalDeviceProperties properties;
VkPhysicalDeviceFeatures features;
VkPhysicalDeviceFeatures enabledFeatures;
VkQueueFamilyProperties* queues;
uint32_t queueCount;
std::vector<int> cQueues;//compute, dedicated first
std::vector<int> gQueues;//graphic, idem
std::vector<int> tQueues;//transfer, idem
int pQueue;//presentation
std::vector<VkDeviceQueueCreateInfo> pQueueInfos;
std::vector<std::vector<float>> qPriorities;
vkPhyInfo (){}
vkPhyInfo (VkPhysicalDevice _phy, VkSurfaceKHR surface = VK_NULL_HANDLE) {
phy = _phy;
// cQueues.clear();
// gQueues.clear();
// tQueues.clear();
pQueue = -1;
// pQueueInfos.clear();
// qPriorities.clear();
vkGetPhysicalDeviceProperties (phy, &properties);
vkGetPhysicalDeviceMemoryProperties (phy, &memProps);
vkGetPhysicalDeviceFeatures (phy, &features);
vkGetPhysicalDeviceQueueFamilyProperties (phy, &queueCount, NULL);
queues = (VkQueueFamilyProperties*)malloc(queueCount * sizeof(VkQueueFamilyProperties));
vkGetPhysicalDeviceQueueFamilyProperties (phy, &queueCount, queues);
//identify dedicated queues
//try to find dedicated queues first
VkBool32 present = VK_FALSE;
for (uint j=0; j<queueCount; j++){
switch (queues[j].queueFlags) {
case VK_QUEUE_GRAPHICS_BIT:
if (surface){
vkGetPhysicalDeviceSurfaceSupportKHR(phy, j, surface, &present);
if (present && pQueue<0)
pQueue = j;
}
gQueues.push_back (j);
break;
case VK_QUEUE_COMPUTE_BIT:
cQueues.push_back (j);
break;
case VK_QUEUE_TRANSFER_BIT:
tQueues.push_back (j);
break;
}
}
//add queues that include flag
for (uint j=0; j<queueCount; j++){
if (queues[j].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
if (surface) {
vkGetPhysicalDeviceSurfaceSupportKHR(phy, j, surface, &present);
if (present && pQueue<0)
pQueue = j;
}
if (std::find(gQueues.begin(), gQueues.end(), j) == gQueues.end())
gQueues.push_back(j);
}
if (queues[j].queueFlags & VK_QUEUE_COMPUTE_BIT){
if (std::find(cQueues.begin(), cQueues.end(), j) == cQueues.end())
cQueues.push_back(j);
}
if (queues[j].queueFlags & VK_QUEUE_TRANSFER_BIT){
if (std::find(tQueues.begin(), tQueues.end(), j) == tQueues.end())
tQueues.push_back(j);
}
}
}
void selectQueue (int qIndex, float priority = 0.f) {
auto it = find_if(pQueueInfos.begin(), pQueueInfos.end(), [&qIndex](const VkDeviceQueueCreateInfo& qci)
{return qci.queueFamilyIndex == qIndex;});
if (it == pQueueInfos.end()) {
VkDeviceQueueCreateInfo dqci = {VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO};
dqci.queueCount = 1;
dqci.queueFamilyIndex = qIndex;
pQueueInfos.push_back (dqci);
qPriorities.push_back ({priority});
return;
}
int qciIdx = std::distance(pQueueInfos.begin(), it);
pQueueInfos[qciIdx].queueCount ++;
qPriorities[qciIdx].push_back(priority);
}
};
struct VulkanDevice
{
VkPhysicalDevice phy;
VkDevice dev;
VkPhysicalDeviceProperties properties;
VkPhysicalDeviceFeatures features;
VkPhysicalDeviceFeatures enabledFeatures;
VkPhysicalDeviceMemoryProperties memoryProperties;
std::vector<VkQueueFamilyProperties>queueFamilyProperties;
VkCommandPool commandPool = VK_NULL_HANDLE;
VkPipelineCache pipelineCache = VK_NULL_HANDLE;
bool savePLCache = true;
VkQueue queue;
struct {
uint32_t graphics;
uint32_t compute;
} queueFamilyIndices;
VulkanDevice(vkPhyInfo phyInfos, const std::vector<const char *> &devLayers);
~VulkanDevice();
uint32_t getMemoryType(uint32_t typeBits, VkMemoryPropertyFlags properties, VkBool32 *memTypeFound = nullptr);
VkFormat getSuitableDepthFormat ();
uint32_t getQueueFamilyIndex(VkQueueFlagBits queueFlags);
VkCommandPool createCommandPool(uint32_t queueFamilyIndex,
VkCommandPoolCreateFlags createFlags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT);
VkCommandBuffer createCommandBuffer(VkCommandBufferLevel level, bool begin = false);
void flushCommandBuffer(VkCommandBuffer commandBuffer, VkQueue queue, bool free = true);
VkSemaphore createSemaphore ();
VkFence createFence (bool signaled = false);
void destroyFence (VkFence fence);
void destroySemaphore (VkSemaphore semaphore);
};
}
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