diff options
| -rw-r--r-- | src/main.c | 48 |
1 files changed, 44 insertions, 4 deletions
@@ -197,9 +197,49 @@ bool vulkan_renderer_create_debug_messenger(struct vulkan_renderer *renderer) { NULL, &renderer->debug_messenger) == VK_SUCCESS; } +struct queue_family_indices { + uint32_t graphics_family; + bool has_graphics_family; +}; + +bool queue_family_indices_is_complete( + const struct queue_family_indices *indices) { + return indices->has_graphics_family; +} + +#define MAX_QUEUE_FAMILY_COUNT 64 +struct queue_family_indices find_queue_families(VkPhysicalDevice device) { + struct queue_family_indices indices = {0}; + + uint32_t queue_family_count = 0; + vkGetPhysicalDeviceQueueFamilyProperties(device, &queue_family_count, NULL); + + assert(queue_family_count < MAX_QUEUE_FAMILY_COUNT); + VkQueueFamilyProperties queue_families[MAX_QUEUE_FAMILY_COUNT]; + vkGetPhysicalDeviceQueueFamilyProperties(device, &queue_family_count, + queue_families); + + for (uint32_t queue_family_index = 0; queue_family_index < queue_family_count; + queue_family_index++) { + VkQueueFamilyProperties *queue_family = &queue_families[queue_family_index]; + if (queue_family->queueFlags & VK_QUEUE_GRAPHICS_BIT) { + indices.graphics_family = queue_family_index; + indices.has_graphics_family = true; + } + + if (queue_family_indices_is_complete(&indices)) { + break; + } + } + + return indices; +} + bool is_device_suitable(VkPhysicalDevice device) { - (void)device; - return true; + struct queue_family_indices queue_family_indices = + find_queue_families(device); + + return queue_family_indices_is_complete(&queue_family_indices); } bool vulkan_renderer_pick_physical_device(struct vulkan_renderer *renderer) { @@ -216,8 +256,8 @@ bool vulkan_renderer_pick_physical_device(struct vulkan_renderer *renderer) { vkEnumeratePhysicalDevices(renderer->instance, &device_count, devices); for (uint32_t device_index = 0; device_index < device_count; device_index++) { - if (is_device_suitable(devices[device_count])) { - physical_device = devices[device_count]; + if (is_device_suitable(devices[device_index])) { + physical_device = devices[device_index]; break; } } |