vulkan: separate images and samplers

src/gfx_apis/vulkan/shm_image.rs

@@ -459,8 +459,7 @@ impl VulkanRenderer {
             }),
             ty: VulkanImageMemory::Internal(shm),
             bridge: None,
-            shader_read_only_optimal_descriptor: self.sampler_read_only_descriptor(view),
-            sampled_image_descriptor: Box::new([]),
+            sampled_image_descriptor: self.sampled_image_descriptor(view),
             descriptor_buffer_version: Cell::new(0),
             descriptor_buffer_offset: Cell::new(0),
             execution_version: Cell::new(0),