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adding functions to find queue families from custom physical device

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kbz_8
2024-09-08 21:07:07 +02:00
parent 5a257b7ae3
commit 1205002094
1 changed files with 66 additions and 0 deletions
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66
kvf.h
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@@ -101,6 +101,10 @@ VkQueue kvfGetDeviceQueue(VkDevice device, KvfQueueType queue);
uint32_t kvfGetDeviceQueueFamily(VkDevice device, KvfQueueType queue);
bool kvfQueuePresentKHR(VkDevice device, VkSemaphore wait, VkSwapchainKHR swapchain, uint32_t image_index); // return false when the swapchain must be recreated
// Meant to be used when creating a VkDevice with a custom VkPhysicalDevice
int32_t kvfFindDeviceQueueFamily(VkPhysicalDevice physical, KvfQueueType type); // This function cannot find present queue
int32_t kvfFindDeviceQueueFamilyKHR(VkPhysicalDevice physical, VkSurfaceKHR surface, KvfQueueType type); // This one can find present queue
VkDevice kvfCreateDefaultDevice(VkPhysicalDevice physical);
VkDevice kvfCreateDevice(VkPhysicalDevice physical, const char** extensions, uint32_t extensions_count, VkPhysicalDeviceFeatures* features);
VkDevice kvfCreateDefaultDevicePhysicalDeviceAndCustomQueues(VkPhysicalDevice physical, int32_t graphics_queue, int32_t present_queue, int32_t compute_queue);
@@ -1416,6 +1420,68 @@ bool kvfQueuePresentKHR(VkDevice device, VkSemaphore wait, VkSwapchainKHR swapch
return true;
}
int32_t kvfFindDeviceQueueFamily(VkPhysicalDevice physical, KvfQueueType type)
{
KVF_ASSERT(physical != VK_NULL_HANDLE);
KVF_ASSERT(type != KVF_PRESENT_QUEUE && "Use kvfFindDeviceQueueFamilyKHR to find present queue");
uint32_t queue_family_count;
vkGetPhysicalDeviceQueueFamilyProperties(physical, &queue_family_count, NULL);
VkQueueFamilyProperties* queue_families = (VkQueueFamilyProperties*)KVF_MALLOC(sizeof(VkQueueFamilyProperties) * queue_family_count);
vkGetPhysicalDeviceQueueFamilyProperties(physical, &queue_family_count, queue_families);
int32_t queue = -1;
for(int i = 0; i < queue_family_count; i++)
{
if(type == KVF_COMPUTE_QUEUE)
{
if(queue_families[i].queueFlags & VK_QUEUE_COMPUTE_BIT && (queue_families[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) == 0)
queue = i;
else if(queue != -1 && queue_families[i].queueFlags & VK_QUEUE_COMPUTE_BIT) // else just find a compute queue
queue = i;
}
else if(type == KVF_GRAPHICS_QUEUE)
{
if(queue_families[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
queue = i;
}
if(queue != -1)
break;
}
KVF_FREE(queue_families);
return queue;
}
int32_t kvfFindDeviceQueueFamilyKHR(VkPhysicalDevice physical, VkSurfaceKHR surface, KvfQueueType type)
{
KVF_ASSERT(physical != VK_NULL_HANDLE);
KVF_ASSERT(surface != VK_NULL_HANDLE);
if(type != KVF_PRESENT_QUEUE)
return kvfFindDeviceQueueFamily(physical, type);
uint32_t queue_family_count;
vkGetPhysicalDeviceQueueFamilyProperties(physical, &queue_family_count, NULL);
VkQueueFamilyProperties* queue_families = (VkQueueFamilyProperties*)KVF_MALLOC(sizeof(VkQueueFamilyProperties) * queue_family_count);
vkGetPhysicalDeviceQueueFamilyProperties(physical, &queue_family_count, queue_families);
int32_t queue = -1;
for(int i = 0; i < queue_family_count; i++)
{
VkBool32 present_support = false;
vkGetPhysicalDeviceSurfaceSupportKHR(physical, i, surface, &present_support);
if(present_support)
queue = i;
if(queue != -1)
break;
}
KVF_FREE(queue_families);
return queue;
}
VkFence kvfCreateFence(VkDevice device)
{
KVF_ASSERT(device != VK_NULL_HANDLE);