michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #pragma once
michael@0: 
michael@0: /* this file is included by exe stubs, don't pull xpcom into it. */
michael@0: 
michael@0: #include <d3d10_1.h>
michael@0: #include <dxgi.h>
michael@0: #include <d3d10misc.h>
michael@0: 
michael@0: /*
michael@0:  * Checks to see if the d3d implementation supports feature level 9.3 or
michael@0:  * above. Metrofx can't run on systems that fail this check.
michael@0:  *
michael@0:  * Note, this can hit perf, don't call this unless you absolutely have to.
michael@0:  * Both the ceh and winrt widget code save a cached result in the registry.
michael@0:  */
michael@0: static bool D3DFeatureLevelCheck()
michael@0: {
michael@0:   HMODULE dxgiModule = LoadLibraryA("dxgi.dll");
michael@0:   if (!dxgiModule) {
michael@0:     return false;
michael@0:   }
michael@0:   decltype(CreateDXGIFactory1)* createDXGIFactory1 =
michael@0:     (decltype(CreateDXGIFactory1)*) GetProcAddress(dxgiModule, "CreateDXGIFactory1");
michael@0:   if (!createDXGIFactory1) {
michael@0:     FreeLibrary(dxgiModule);
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   HMODULE d3d10module = LoadLibraryA("d3d10_1.dll");
michael@0:   if (!d3d10module) {
michael@0:     FreeLibrary(dxgiModule);
michael@0:     return false;
michael@0:   }
michael@0:   decltype(D3D10CreateDevice1)* createD3DDevice =
michael@0:     (decltype(D3D10CreateDevice1)*) GetProcAddress(d3d10module,
michael@0:                                                    "D3D10CreateDevice1");
michael@0:   if (!createD3DDevice) {
michael@0:     FreeLibrary(d3d10module);
michael@0:     FreeLibrary(dxgiModule);
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   IDXGIFactory1* factory1;
michael@0:   if (FAILED(createDXGIFactory1(__uuidof(IDXGIFactory1), (void**)&factory1))) {
michael@0:     FreeLibrary(d3d10module);
michael@0:     FreeLibrary(dxgiModule);
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   IDXGIAdapter1* adapter1;
michael@0:   if (FAILED(factory1->EnumAdapters1(0, &adapter1))) {
michael@0:     factory1->Release();
michael@0:     FreeLibrary(d3d10module);
michael@0:     FreeLibrary(dxgiModule);
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   // Try for DX10.1
michael@0:   ID3D10Device1* device;
michael@0:   if (FAILED(createD3DDevice(adapter1, D3D10_DRIVER_TYPE_HARDWARE, nullptr,
michael@0:                              D3D10_CREATE_DEVICE_BGRA_SUPPORT |
michael@0:                              D3D10_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS,
michael@0:                              D3D10_FEATURE_LEVEL_10_1,
michael@0:                              D3D10_1_SDK_VERSION, &device))) {
michael@0:     // Try for DX10
michael@0:     if (FAILED(createD3DDevice(adapter1, D3D10_DRIVER_TYPE_HARDWARE, nullptr,
michael@0:                                D3D10_CREATE_DEVICE_BGRA_SUPPORT |
michael@0:                                D3D10_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS,
michael@0:                                D3D10_FEATURE_LEVEL_10_0,
michael@0:                                D3D10_1_SDK_VERSION, &device))) {
michael@0:       // Try for DX9.3 (we fall back to cairo and cairo has support for D3D 9.3)
michael@0:       if (FAILED(createD3DDevice(adapter1, D3D10_DRIVER_TYPE_HARDWARE, nullptr,
michael@0:                                  D3D10_CREATE_DEVICE_BGRA_SUPPORT |
michael@0:                                  D3D10_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS,
michael@0:                                  D3D10_FEATURE_LEVEL_9_3,
michael@0:                                  D3D10_1_SDK_VERSION, &device))) {
michael@0:         adapter1->Release();
michael@0:         factory1->Release();
michael@0:         FreeLibrary(d3d10module);
michael@0:         FreeLibrary(dxgiModule);
michael@0:         return false;
michael@0:       }
michael@0:     }
michael@0:   }
michael@0:   device->Release();
michael@0:   adapter1->Release();
michael@0:   factory1->Release();
michael@0:   FreeLibrary(d3d10module);
michael@0:   FreeLibrary(dxgiModule);
michael@0:   return true;
michael@0: }