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Added code for finding suitable graphics family queue

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Warwick 2024-11-01 16:58:35 +00:00
parent 15dde5dc91
commit 7b6317f4de
1 changed files with 36 additions and 3 deletions
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35
src/main.c
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@ -216,7 +216,38 @@ void DestroyDebugUtilsMessengerEXT(VkInstance instance,
}
}
bool isDeviceSuitable(VkPhysicalDevice device) { return true; }
struct QueueFamilyIndices_s {
bool graphicsFamilyExists;
uint32_t graphicsFamily;
} QueueFamilyIndices_default = {.graphicsFamilyExists = false,
.graphicsFamily = 0};
typedef struct QueueFamilyIndices_s QueueFamilyIndices;
QueueFamilyIndices findQueueFamilies(VkPhysicalDevice device) {
QueueFamilyIndices indices = QueueFamilyIndices_default;
uint32_t queueFamilyCount = 0;
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, NULL);
VkQueueFamilyProperties queueFamilies[queueFamilyCount];
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount,
queueFamilies);
for (uint32_t i = 0; i < queueFamilyCount; i++) {
if (queueFamilies[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
indices.graphicsFamily = i;
indices.graphicsFamilyExists = true;
break; // remove if we need additional checks in future
}
}
return indices;
}
bool isDeviceSuitable(VkPhysicalDevice device) {
QueueFamilyIndices indices = findQueueFamilies(device);
return indices.graphicsFamilyExists;
}
void pickPhysicalDevice(Application *app) {
VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
@ -231,9 +262,11 @@ void pickPhysicalDevice(Application *app) {
vkEnumeratePhysicalDevices(app->instance, &physicalDeviceCount,
physicalDevices);
// TODO: pick device off of more than if it's just suitable
for (int i = 0; i < physicalDeviceCount; i++) {
if (isDeviceSuitable(physicalDevices[i])) {
physicalDevice = physicalDevices[i];
break;
}
}