From 3e89aa733587043645f5fda72596e4ff3cd21d2a Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 1 Apr 2019 15:28:07 +0800
Subject: ...

---
 src/platform_win/graph_manager.cpp | 51 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 src/platform_win/graph_manager.cpp

(limited to 'src/platform_win/graph_manager.cpp')

diff --git a/src/platform_win/graph_manager.cpp b/src/platform_win/graph_manager.cpp
new file mode 100644
index 00000000..4961867b
--- /dev/null
+++ b/src/platform_win/graph_manager.cpp
@@ -0,0 +1,51 @@
+#include "cru/platform/win/graph_manager.hpp"
+
+#include "cru/platform/win/exception.hpp"
+
+namespace cru::platform::win {
+GraphManager::GraphManager() {
+  UINT creation_flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
+
+#ifdef CRU_DEBUG
+  creation_flags |= D3D11_CREATE_DEVICE_DEBUG;
+#endif
+
+  const D3D_FEATURE_LEVEL feature_levels[] = {
+      D3D_FEATURE_LEVEL_11_1, D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_1,
+      D3D_FEATURE_LEVEL_10_0, D3D_FEATURE_LEVEL_9_3,  D3D_FEATURE_LEVEL_9_2,
+      D3D_FEATURE_LEVEL_9_1};
+
+  Microsoft::WRL::ComPtr<ID3D11DeviceContext> d3d11_device_context;
+
+  ThrowIfFailed(D3D11CreateDevice(
+      nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, creation_flags,
+      feature_levels, ARRAYSIZE(feature_levels), D3D11_SDK_VERSION,
+      &d3d11_device_, nullptr, &d3d11_device_context));
+
+  Microsoft::WRL::ComPtr<IDXGIDevice> dxgi_device;
+  ThrowIfFailed(d3d11_device_->QueryInterface(dxgi_device.GetAddressOf()));
+
+  ThrowIfFailed(D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED,
+                                  IID_PPV_ARGS(&d2d1_factory_)));
+
+  Microsoft::WRL::ComPtr<ID2D1Device> d2d1_device;
+
+  ThrowIfFailed(d2d1_factory_->CreateDevice(dxgi_device.Get(), &d2d1_device));
+
+  ThrowIfFailed(d2d1_device->CreateDeviceContext(
+      D2D1_DEVICE_CONTEXT_OPTIONS_NONE, &d2d1_device_context_));
+
+  // Identify the physical adapter (GPU or card) this device is runs on.
+  Microsoft::WRL::ComPtr<IDXGIAdapter> dxgi_adapter;
+  ThrowIfFailed(dxgi_device->GetAdapter(&dxgi_adapter));
+
+  // Get the factory object that created the DXGI device.
+  ThrowIfFailed(dxgi_adapter->GetParent(IID_PPV_ARGS(&dxgi_factory_)));
+
+  ThrowIfFailed(
+      DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory),
+                          reinterpret_cast<IUnknown**>(dwrite_factory_.GetAddressOf())));
+
+  ThrowIfFailed(dwrite_factory_->GetSystemFontCollection(&dwrite_system_font_collection_));
+}
+}  // namespace cru::graph
-- 
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