[D3D12] Command list, fence cleanup

src/xenia/ui/d3d12/command_list.cc

@@ -0,0 +1,79 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2018 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include "xenia/ui/d3d12/command_list.h"
+
+#include "xenia/base/logging.h"
+
+namespace xe {
+namespace ui {
+namespace d3d12 {
+
+std::unique_ptr<CommandList>
+CommandList::Create(ID3D12Device* device, ID3D12CommandQueue* queue,
+                    D3D12_COMMAND_LIST_TYPE type) {
+  std::unique_ptr<CommandList> command_list(new CommandList(device, queue,
+                                                            type));
+  if (!command_list->Initialize()) {
+    return nullptr;
+  }
+  return command_list;
+}
+
+CommandList::CommandList(ID3D12Device* device, ID3D12CommandQueue* queue,
+                         D3D12_COMMAND_LIST_TYPE type)
+    : device_(device), queue_(queue), type_(type) {}
+
+CommandList::~CommandList() {
+  if (command_list_ != nullptr) {
+    command_list_->Release();
+  }
+  if (command_allocator_ != nullptr) {
+    command_allocator_->Release();
+  }
+}
+
+bool CommandList::Initialize() {
+  if (FAILED(device_->CreateCommandAllocator(
+      type_, IID_PPV_ARGS(&command_allocator_)))) {
+    XELOGE("Failed to create a command allocator");
+    return false;
+  }
+  if (FAILED(device_->CreateCommandList(0, type_, command_allocator_, nullptr,
+                                        IID_PPV_ARGS(&command_list_)))) {
+    XELOGE("Failed to create a graphics command list");
+    command_allocator_->Release();
+    command_allocator_ = nullptr;
+    return false;
+  }
+  // A command list is initially open, need to close it before resetting.
+  command_list_->Close();
+  return true;
+}
+
+ID3D12GraphicsCommandList* CommandList::BeginRecording() {
+  command_allocator_->Reset();
+  command_list_->Reset(command_allocator_, nullptr);
+  return command_list_;
+}
+
+void CommandList::AbortRecording() {
+  command_list_->Close();
+}
+
+void CommandList::Execute() {
+  command_list_->Close();
+  ID3D12CommandList* execute_lists[] = { command_list_ };
+  queue_->ExecuteCommandLists(1, execute_lists);
+}
+
+}  // namespace d3d12
+}  // namespace ui
+}  // namespace xe
+