render_vulkan: Minor conformance fixes

Author: caseif

engine/modules/render_vulkan/src/renderer/object_proc_impl.rs

@@ -19,7 +19,8 @@ pub(crate) fn process_object(
 ) {
     let (instance, device, state) = state_tuple;
 
-    let mut object = get_render_context_2d().get_object_mut(object_handle).unwrap();
+    let mut object = get_render_context_2d().get_object_mut(object_handle)
+        .expect("Object not present in render context during processing");
 
     let existing_obj = {
         let scene_state = state.scene_states_2d.entry(scene_id.to_owned()).or_insert_with(|| {

engine/modules/render_vulkan/src/setup/device.rs

@@ -62,7 +62,7 @@ impl VulkanDevice {
         let dev_features = vk::PhysicalDeviceFeatures::default()
             .independent_blend(true);
 
-        let ext_names: Vec<*const i8> = ENGINE_DEVICE_EXTENSIONS.iter()
+        let ext_names: Vec<_> = ENGINE_DEVICE_EXTENSIONS.iter()
             .map(|ext| ext.as_ptr())
             .collect();
 

engine/modules/render_vulkan/src/setup/instance.rs

@@ -34,7 +34,7 @@ impl VulkanInstance {
             .into_iter()
             .map(|ext| CString::new(ext).unwrap())
             .collect();
-        
+
         let required_exts_c: Vec<_> = required_extensions.iter()
             .map(|s| CString::from(*s))
             .collect();

engine/modules/render_vulkan/src/util/descriptor_set.rs

@@ -43,9 +43,11 @@ fn create_sampler_binding<'a>() -> vk::DescriptorSetLayoutBinding<'a> {
 
 pub(crate) fn create_descriptor_pool(device: &VulkanDevice) -> Result<vk::DescriptorPool, String> {
     let ubo_pool_size = vk::DescriptorPoolSize::default()
+        .ty(vk::DescriptorType::UNIFORM_BUFFER)
         .descriptor_count(INITIAL_UBO_COUNT);
 
     let sampler_pool_size = vk::DescriptorPoolSize::default()
+        .ty(vk::DescriptorType::COMBINED_IMAGE_SAMPLER)
         .descriptor_count(INITIAL_SAMPLER_COUNT);
 
     let pool_sizes = [ubo_pool_size, sampler_pool_size];