successfully abstracted all vulkan components

Author: codex128

jme3-lwjgl3/src/main/java/com/jme3/vulkan/TestCaseMeshDescription.java

@@ -0,0 +1,71 @@
+package com.jme3.vulkan;
+
+import com.jme3.util.natives.Native;
+import com.jme3.util.natives.NativeReference;
+import org.lwjgl.system.MemoryStack;
+import org.lwjgl.vulkan.VkVertexInputAttributeDescription;
+import org.lwjgl.vulkan.VkVertexInputBindingDescription;
+
+import static org.lwjgl.vulkan.VK10.*;
+
+public class TestCaseMeshDescription implements Native<Object>, MeshDescription {
+
+    private final VkVertexInputBindingDescription.Buffer bindings;
+    private final VkVertexInputAttributeDescription.Buffer attributes;
+    private final NativeReference ref;
+
+    public TestCaseMeshDescription() {
+        // for each vertex buffer on the mesh
+        bindings = VkVertexInputBindingDescription.calloc(1)
+                .binding(0)
+                .stride(Float.BYTES * 8) // bytes per vertex
+                .inputRate(VK_VERTEX_INPUT_RATE_VERTEX);
+        // for each attribute in each vertex buffer
+        attributes = VkVertexInputAttributeDescription.calloc(3);
+        attributes.get(0).binding(0)
+                .location(0)
+                .format(VK_FORMAT_R32G32B32_SFLOAT)
+                .offset(0);
+        attributes.get(1).binding(0)
+                .location(1)
+                .format(VK_FORMAT_R32G32B32_SFLOAT)
+                .offset(Float.BYTES * 3);
+        attributes.get(2).binding(0)
+                .location(2)
+                .format(VK_FORMAT_R32G32_SFLOAT)
+                .offset(Float.BYTES * 6);
+        ref = Native.get().register(this);
+    }
+
+    @Override
+    public Object getNativeObject() {
+        return null;
+    }
+
+    @Override
+    public Runnable createNativeDestroyer() {
+        return () -> {
+            bindings.free();
+            attributes.free();
+        };
+    }
+
+    @Override
+    public void prematureNativeDestruction() {}
+
+    @Override
+    public NativeReference getNativeReference() {
+        return ref;
+    }
+
+    @Override
+    public VkVertexInputBindingDescription.Buffer getBindings(MemoryStack stack) {
+        return bindings;
+    }
+
+    @Override
+    public VkVertexInputAttributeDescription.Buffer getAttributes(MemoryStack stack) {
+        return attributes;
+    }
+
+}