bug-14575: normalized queue priorities

4 files changed, 12 insertions, 0 deletions

diff --git a/demos/cube.c b/demos/cube.c
index a435c016..1abf525f 100644
--- a/demos/cube.c
+++ b/demos/cube.c
@@ -2304,11 +2304,13 @@ static void demo_init_vk(struct demo *demo)
     VkPhysicalDeviceFeatures physDevFeatures;
     vkGetPhysicalDeviceFeatures(demo->gpu, &physDevFeatures);
 
+    float queue_priorities[1] = { 0.0 };
     const VkDeviceQueueCreateInfo queue = {
         .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
         .pNext = NULL,
         .queueFamilyIndex = gfx_queue_idx,
         .queueCount = 1,
+        .pQueuePriorities = queue_priorities
     };
 
     VkDeviceCreateInfo device = {
diff --git a/demos/tri.c b/demos/tri.c
index d03bf16a..66dccf6a 100644
--- a/demos/tri.c
+++ b/demos/tri.c
@@ -1814,11 +1814,13 @@ static void demo_init_vk(struct demo *demo)
         .extensionCount = enabled_extension_count,
         .ppEnabledExtensionNames = (const char *const*) extension_names,
     };
+    float queue_priorities[1] = { 0.0 };
     const VkDeviceQueueCreateInfo queue = {
         .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
         .pNext = NULL,
         .queueFamilyIndex = 0,
         .queueCount = 1,
+        .pQueuePriorities = queue_priorities
     };
     uint32_t gpu_count;
 
diff --git a/demos/vulkaninfo.c b/demos/vulkaninfo.c
index 482f27ae..8becb4c3 100644
--- a/demos/vulkaninfo.c
+++ b/demos/vulkaninfo.c
@@ -655,10 +655,13 @@ static void app_gpu_init(struct app_gpu *gpu, uint32_t id, VkPhysicalDevice obj)
     if (!gpu->queue_reqs)
         ERR_EXIT(VK_ERROR_OUT_OF_HOST_MEMORY);
     for (i = 0; i < gpu->queue_count; i++) {
+        float *queue_priorities = malloc(gpu->queue_props[i].queueCount * sizeof(float));
+        memset(queue_priorities, 0, gpu->queue_props[i].queueCount * sizeof(float));
         gpu->queue_reqs[i].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
         gpu->queue_reqs[i].pNext = NULL;
         gpu->queue_reqs[i].queueFamilyIndex = i;
         gpu->queue_reqs[i].queueCount = gpu->queue_props[i].queueCount;
+        gpu->queue_reqs[i].pQueuePriorities = queue_priorities;
     }
 
     vkGetPhysicalDeviceMemoryProperties(gpu->obj, &gpu->memory_props);
@@ -674,6 +677,9 @@ static void app_gpu_destroy(struct app_gpu *gpu)
     app_dev_destroy(&gpu->dev);
     free(gpu->device_extensions);
     free(gpu->queue_reqs);
+    for (uint32_t i = 0; i < gpu->queue_count; i++) {
+        free((void *) gpu->queue_reqs[i].pQueuePriorities);
+    }
     free(gpu->queue_props);
 }
 
diff --git a/include/vulkan.h b/include/vulkan.h
index ceac03a6..e938a5bd 100644
--- a/include/vulkan.h
+++ b/include/vulkan.h
@@ -1276,6 +1276,7 @@ typedef struct {
     uint32_t                                    maxClipDistances;
     uint32_t                                    maxCullDistances;
     uint32_t                                    maxCombinedClipAndCullDistances;
+    uint32_t                                    discreteQueuePriorities;
     float                                       pointSizeRange[2];
     float                                       lineWidthRange[2];
     float                                       pointSizeGranularity;
@@ -1331,6 +1332,7 @@ typedef struct {
     const void*                                 pNext;
     uint32_t                                    queueFamilyIndex;
     uint32_t                                    queueCount;
+    const float*                                pQueuePriorities;
 } VkDeviceQueueCreateInfo;
 
 typedef struct {