1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/windows/winrt/MetroD3DCheckHelper.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,96 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#pragma once
1.10 +
1.11 +/* this file is included by exe stubs, don't pull xpcom into it. */
1.12 +
1.13 +#include <d3d10_1.h>
1.14 +#include <dxgi.h>
1.15 +#include <d3d10misc.h>
1.16 +
1.17 +/*
1.18 + * Checks to see if the d3d implementation supports feature level 9.3 or
1.19 + * above. Metrofx can't run on systems that fail this check.
1.20 + *
1.21 + * Note, this can hit perf, don't call this unless you absolutely have to.
1.22 + * Both the ceh and winrt widget code save a cached result in the registry.
1.23 + */
1.24 +static bool D3DFeatureLevelCheck()
1.25 +{
1.26 + HMODULE dxgiModule = LoadLibraryA("dxgi.dll");
1.27 + if (!dxgiModule) {
1.28 + return false;
1.29 + }
1.30 + decltype(CreateDXGIFactory1)* createDXGIFactory1 =
1.31 + (decltype(CreateDXGIFactory1)*) GetProcAddress(dxgiModule, "CreateDXGIFactory1");
1.32 + if (!createDXGIFactory1) {
1.33 + FreeLibrary(dxgiModule);
1.34 + return false;
1.35 + }
1.36 +
1.37 + HMODULE d3d10module = LoadLibraryA("d3d10_1.dll");
1.38 + if (!d3d10module) {
1.39 + FreeLibrary(dxgiModule);
1.40 + return false;
1.41 + }
1.42 + decltype(D3D10CreateDevice1)* createD3DDevice =
1.43 + (decltype(D3D10CreateDevice1)*) GetProcAddress(d3d10module,
1.44 + "D3D10CreateDevice1");
1.45 + if (!createD3DDevice) {
1.46 + FreeLibrary(d3d10module);
1.47 + FreeLibrary(dxgiModule);
1.48 + return false;
1.49 + }
1.50 +
1.51 + IDXGIFactory1* factory1;
1.52 + if (FAILED(createDXGIFactory1(__uuidof(IDXGIFactory1), (void**)&factory1))) {
1.53 + FreeLibrary(d3d10module);
1.54 + FreeLibrary(dxgiModule);
1.55 + return false;
1.56 + }
1.57 +
1.58 + IDXGIAdapter1* adapter1;
1.59 + if (FAILED(factory1->EnumAdapters1(0, &adapter1))) {
1.60 + factory1->Release();
1.61 + FreeLibrary(d3d10module);
1.62 + FreeLibrary(dxgiModule);
1.63 + return false;
1.64 + }
1.65 +
1.66 + // Try for DX10.1
1.67 + ID3D10Device1* device;
1.68 + if (FAILED(createD3DDevice(adapter1, D3D10_DRIVER_TYPE_HARDWARE, nullptr,
1.69 + D3D10_CREATE_DEVICE_BGRA_SUPPORT |
1.70 + D3D10_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS,
1.71 + D3D10_FEATURE_LEVEL_10_1,
1.72 + D3D10_1_SDK_VERSION, &device))) {
1.73 + // Try for DX10
1.74 + if (FAILED(createD3DDevice(adapter1, D3D10_DRIVER_TYPE_HARDWARE, nullptr,
1.75 + D3D10_CREATE_DEVICE_BGRA_SUPPORT |
1.76 + D3D10_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS,
1.77 + D3D10_FEATURE_LEVEL_10_0,
1.78 + D3D10_1_SDK_VERSION, &device))) {
1.79 + // Try for DX9.3 (we fall back to cairo and cairo has support for D3D 9.3)
1.80 + if (FAILED(createD3DDevice(adapter1, D3D10_DRIVER_TYPE_HARDWARE, nullptr,
1.81 + D3D10_CREATE_DEVICE_BGRA_SUPPORT |
1.82 + D3D10_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS,
1.83 + D3D10_FEATURE_LEVEL_9_3,
1.84 + D3D10_1_SDK_VERSION, &device))) {
1.85 + adapter1->Release();
1.86 + factory1->Release();
1.87 + FreeLibrary(d3d10module);
1.88 + FreeLibrary(dxgiModule);
1.89 + return false;
1.90 + }
1.91 + }
1.92 + }
1.93 + device->Release();
1.94 + adapter1->Release();
1.95 + factory1->Release();
1.96 + FreeLibrary(d3d10module);
1.97 + FreeLibrary(dxgiModule);
1.98 + return true;
1.99 +}
