update buffer

Author: anchpop

.vscode/settings.json

@@ -89,7 +89,10 @@
         "print": "cpp",
         "filesystem": "cpp",
         "forward_list": "cpp",
-        "ranges": "cpp"
+        "ranges": "cpp",
+        "cfenv": "cpp",
+        "regex": "cpp",
+        "valarray": "cpp"
     },
     "files.exclude": {
         "build": true,

OpenGL/src/rendering/Buffer.h

@@ -207,6 +207,7 @@ class Buffer : public std::enable_shared_from_this<Buffer<T, Uniform>> {
       newBufferDesc.size                   = newSize;
       newBufferDesc.usage                  = usage_ | wgpu::BufferUsage::CopyDst | wgpu::BufferUsage::CopySrc;
       newBufferDesc.mappedAtCreation       = false;
+      newBufferDesc.label                  = (name + " (gen " + std::to_string(generation) + ")").c_str();
 
       wgpu::Buffer newBuffer = device_.createBuffer(newBufferDesc);
       if (!newBuffer) {
@@ -226,7 +227,9 @@ class Buffer : public std::enable_shared_from_this<Buffer<T, Uniform>> {
       }
 
       // Copy existing data from old buffer to new buffer
-      encoder->copyBufferToBuffer(buffer_, 0, newBuffer, 0, capacityBytes());
+      auto bytes_to_copy = sizeBytes();
+      std::cout << "Copying " << bytes_to_copy << " bytes from old buffer to new buffer" << std::endl;
+      encoder->copyBufferToBuffer(buffer_, 0, newBuffer, 0, bytes_to_copy);
 
       generation++;