Add unit test for creating mulitple set from pool

vulkan-rs/src/descriptorset.rs

@@ -338,3 +338,73 @@ impl Drop for DescriptorSet {
         }
     }
 }
+
+#[cfg(test)]
+mod test {
+    use crate::prelude::*;
+    use anyhow::Result;
+
+    use std::sync::{Arc, Mutex};
+
+    fn create_vk_handles() -> Result<(Arc<Device>, Arc<Mutex<Queue>>)> {
+        let instance = Instance::new(
+            VkApplicationInfo::new(
+                &VkString::new("Test: image::to_file"),
+                1,
+                &VkString::new("no name"),
+                1,
+                VK_MAKE_VERSION(1, 3, 0),
+            ),
+            VulkanDebugInfo::default(),
+            InstanceExtensions::default(),
+        )?;
+
+        let physical_device = PhysicalDevice::new(instance)?;
+
+        let queue_info = Queue::create_non_presentable_request_info(
+            &physical_device,
+            VK_QUEUE_GRAPHICS_BIT | VK_QUEUE_TRANSFER_BIT,
+        )?;
+
+        let device = Device::new(
+            physical_device,
+            DeviceExtensions::default(),
+            &[queue_info.queue_create_info],
+            DeviceFeatures::default(),
+        )?;
+
+        let queue = device.get_queue(queue_info.queue_family_index, queue_info.queue_index);
+
+        Ok((device, queue))
+    }
+
+    #[test]
+
+    fn create_multiple_sets_from_one_pool() -> Result<()> {
+        const DESCRIPTOR_COUNT: u32 = 2;
+
+        let (device, _queue) = create_vk_handles()?;
+
+        let descriptor_layout = DescriptorSetLayout::builder()
+            .add_layout_binding(
+                0,
+                VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
+                VK_SHADER_STAGE_FRAGMENT_BIT,
+                0,
+            )
+            .change_descriptor_count(DESCRIPTOR_COUNT)
+            .build(device.clone())?;
+
+        let descriptor_pool = DescriptorPool::builder()
+            .set_layout(descriptor_layout.clone())
+            .build(device.clone())?;
+
+        let descriptors: Result<Vec<Arc<DescriptorSet>>> = (0..DESCRIPTOR_COUNT)
+            .map(|_| descriptor_pool.prepare_set().allocate())
+            .collect();
+
+        assert!(descriptors.is_ok(), "{}", descriptors.err().unwrap());
+
+        Ok(())
+    }
+}

vulkan-sys/src/enums/result.rs

@@ -44,9 +44,57 @@ pub enum VkResult {
     VK_ERROR_PIPELINE_COMPILE_REQUIRED_EXT = 1_000_297_000,
 }
 
+impl VkResult {
+    pub fn as_str(&self) -> &str {
+        match self {
+            VK_SUCCESS => "VK_SUCCESS",
+            VK_NOT_READY => "VK_NOT_READY",
+            VK_TIMEOUT => "VK_TIMEOUT",
+            VK_EVENT_SET => "VK_EVENT_SET",
+            VK_EVENT_RESET => "VK_EVENT_RESET",
+            VK_INCOMPLETE => "VK_INCOMPLETE",
+            VK_ERROR_OUT_OF_HOST_MEMORY => "VK_ERROR_OUT_OF_HOST_MEMORY",
+            VK_ERROR_OUT_OF_DEVICE_MEMORY => "VK_ERROR_OUT_OF_DEVICE_MEMORY",
+            VK_ERROR_INITIALIZATION_FAILED => "VK_ERROR_INITIALIZATION_FAILED",
+            VK_ERROR_DEVICE_LOST => "VK_ERROR_DEVICE_LOST",
+            VK_ERROR_MEMORY_MAP_FAILED => "VK_ERROR_MEMORY_MAP_FAILED",
+            VK_ERROR_LAYER_NOT_PRESENT => "VK_ERROR_LAYER_NOT_PRESENT",
+            VK_ERROR_EXTENSION_NOT_PRESENT => "VK_ERROR_EXTENSION_NOT_PRESENT",
+            VK_ERROR_FEATURE_NOT_PRESENT => "VK_ERROR_FEATURE_NOT_PRESENT",
+            VK_ERROR_INCOMPATIBLE_DRIVER => "VK_ERROR_INCOMPATIBLE_DRIVER",
+            VK_ERROR_TOO_MANY_OBJECTS => "VK_ERROR_TOO_MANY_OBJECTS",
+            VK_ERROR_FORMAT_NOT_SUPPORTED => "VK_ERROR_FORMAT_NOT_SUPPORTED",
+            VK_ERROR_FRAGMENTED_POOL => "VK_ERROR_FRAGMENTED_POOL",
+            VK_ERROR_OUT_OF_POOL_MEMORY => "VK_ERROR_OUT_OF_POOL_MEMORY",
+            VK_ERROR_INVALID_EXTERNAL_HANDLE => "VK_ERROR_INVALID_EXTERNAL_HANDLE",
+            VK_ERROR_SURFACE_LOST_KHR => "VK_ERROR_SURFACE_LOST_KHR",
+            VK_ERROR_NATIVE_WINDOW_IN_USE_KHR => "VK_ERROR_NATIVE_WINDOW_IN_USE_KHR",
+            VK_SUBOPTIMAL_KHR => "VK_SUBOPTIMAL_KHR",
+            VK_ERROR_OUT_OF_DATE_KHR => "VK_ERROR_OUT_OF_DATE_KHR",
+            VK_ERROR_INCOMPATIBLE_DISPLAY_KHR => "VK_ERROR_INCOMPATIBLE_DISPLAY_KHR",
+            VK_ERROR_VALIDATION_FAILED_EXT => "VK_ERROR_VALIDATION_FAILED_EXT",
+            VK_ERROR_INVALID_SHADER_NV => "VK_ERROR_INVALID_SHADER_NV",
+            VK_ERROR_INVALID_DRM_FORMAT_MODIFIER_PLANE_LAYOUT_EXT => {
+                "VK_ERROR_INVALID_DRM_FORMAT_MODIFIER_PLANE_LAYOUT_EXT"
+            }
+            VK_ERROR_FRAGMENTATION_EXT => "VK_ERROR_FRAGMENTATION_EXT",
+            VK_ERROR_NOT_PERMITTED_EXT => "VK_ERROR_NOT_PERMITTED_EXT",
+            VK_ERROR_INVALID_DEVICE_ADDRESS_EXT => "VK_ERROR_INVALID_DEVICE_ADDRESS_EXT",
+            VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT => {
+                "VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT"
+            }
+            VK_THREAD_IDLE_KHR => "VK_THREAD_IDLE_KHR",
+            VK_THREAD_DONE_KHR => "VK_THREAD_DONE_KHR",
+            VK_OPERATION_DEFERRED_KHR => "VK_OPERATION_DEFERRED_KHR",
+            VK_OPERATION_NOT_DEFERRED_KHR => "VK_OPERATION_NOT_DEFERRED_KHR",
+            VK_ERROR_PIPELINE_COMPILE_REQUIRED_EXT => "VK_ERROR_PIPELINE_COMPILE_REQUIRED_EXT",
+        }
+    }
+}
+
 impl Display for VkResult {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        f.write_str("Result from a vulkan api call")
+        write!(f, "Result from a vulkan api call ({})", self.as_str())
     }
 }