Get graphics queue handle

1 files changed, 12 insertions, 0 deletions

diff --git a/main.c b/main.c
index 6748668..f126251 100644
--- a/main.c
+++ b/main.c
@@ -90,6 +90,7 @@ struct VulkanAPI {
 struct VulkanDev {
 	PFN_vkDestroyDevice				vkDestroyDevice;
 	PFN_vkDeviceWaitIdle				vkDeviceWaitIdle;
+	PFN_vkGetDeviceQueue				vkGetDeviceQueue;
 };
 
 /** Vulkan application that uses Pugl for windows and events */
@@ -105,6 +106,7 @@ struct RenderVulkan {
 	VkPhysicalDevice		physicalDevice;
 	uint32_t			graphicsIndex;
 	VkDevice			device;
+	VkQueue				graphicsQueue;
 };
 
 #define RVK_ERRMSG_LEN	4096
@@ -753,9 +755,18 @@ static int rvkLoadDeviceFunctions(struct RenderVulkan *vk, VkDevice device)
 		return -1;
 	}
 
+	static const char *const _vkGetDeviceQueue = "vkGetDeviceQueue";
+	uintptr_t *__vkGetDeviceQueue = (uintptr_t*)&vk->dev->vkGetDeviceQueue;
+	*__vkGetDeviceQueue = (uintptr_t)vk->api->vkGetDeviceProcAddr(device, _vkGetDeviceQueue);
+	if (!vk->dev->vkGetDeviceQueue) {
+		rvkSetErrMsg(vk, strErrLd, _vkGetDeviceQueue);
+		return -1;
+	}
+
 	return 0;
 }
 
+/** Opens the logical device and retrieves the queue(s) for this application. */
 int rvkOpenDevice(struct RenderVulkan *vk)
 {
 	if (vk->device) {
@@ -794,6 +805,7 @@ int rvkOpenDevice(struct RenderVulkan *vk)
 	if (rvkLoadDeviceFunctions(vk, device)) {
 		return -1;
 	}
+	vk->dev->vkGetDeviceQueue(vk->device, vk->graphicsIndex, 0, &vk->graphicsQueue);
 	return 0;
 }