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| 1 | +/* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved. |
| 2 | + * |
| 3 | + * Redistribution and use in source and binary forms, with or without |
| 4 | + * modification, are permitted provided that the following conditions |
| 5 | + * are met: |
| 6 | + * * Redistributions of source code must retain the above copyright |
| 7 | + * notice, this list of conditions and the following disclaimer. |
| 8 | + * * Redistributions in binary form must reproduce the above copyright |
| 9 | + * notice, this list of conditions and the following disclaimer in the |
| 10 | + * documentation and/or other materials provided with the distribution. |
| 11 | + * * Neither the name of NVIDIA CORPORATION nor the names of its |
| 12 | + * contributors may be used to endorse or promote products derived |
| 13 | + * from this software without specific prior written permission. |
| 14 | + * |
| 15 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
| 16 | + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 18 | + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 19 | + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 20 | + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 22 | + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 23 | + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 25 | + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | + */ |
| 27 | + |
| 28 | +//-------------------------------------------------------------------------------------- |
| 29 | +// File: dynlink_d3d11.h |
| 30 | +// |
| 31 | +// Shortcut macros and functions for using DX objects |
| 32 | +// |
| 33 | +// Copyright (c) Microsoft Corporation. All rights reserved |
| 34 | +//-------------------------------------------------------------------------------------- |
| 35 | + |
| 36 | +#ifndef _DYNLINK_D3D11_H_ |
| 37 | +#define _DYNLINK_D3D11_H_ |
| 38 | + |
| 39 | +// Standard Windows includes |
| 40 | +#include <windows.h> |
| 41 | +#include <initguid.h> |
| 42 | +#include <assert.h> |
| 43 | +#include <wchar.h> |
| 44 | +#include <mmsystem.h> |
| 45 | +#include <commctrl.h> // for InitCommonControls() |
| 46 | +#include <shellapi.h> // for ExtractIcon() |
| 47 | +#include <new.h> // for placement new |
| 48 | +#include <shlobj.h> |
| 49 | +#include <math.h> |
| 50 | +#include <limits.h> |
| 51 | +#include <stdio.h> |
| 52 | + |
| 53 | +// CRT's memory leak detection |
| 54 | +#if defined(DEBUG) || defined(_DEBUG) |
| 55 | +#include <crtdbg.h> |
| 56 | +#endif |
| 57 | + |
| 58 | +// Direct3D10 includes |
| 59 | +#include <dxgi.h> |
| 60 | +#include <d3d11.h> |
| 61 | +// #include <..\Samples\C++\Effects11\Inc\d3dx11effect.h> |
| 62 | + |
| 63 | +// XInput includes |
| 64 | +#include <xinput.h> |
| 65 | + |
| 66 | +// strsafe.h deprecates old unsecure string functions. If you |
| 67 | +// really do not want to it to (not recommended), then uncomment the next line |
| 68 | +//#define STRSAFE_NO_DEPRECATE |
| 69 | + |
| 70 | +#ifndef STRSAFE_NO_DEPRECATE |
| 71 | +#pragma deprecated("strncpy") |
| 72 | +#pragma deprecated("wcsncpy") |
| 73 | +#pragma deprecated("_tcsncpy") |
| 74 | +#pragma deprecated("wcsncat") |
| 75 | +#pragma deprecated("strncat") |
| 76 | +#pragma deprecated("_tcsncat") |
| 77 | +#endif |
| 78 | + |
| 79 | +#pragma warning( disable : 4996 ) // disable deprecated warning |
| 80 | +#include <strsafe.h> |
| 81 | +#pragma warning( default : 4996 ) |
| 82 | + |
| 83 | +typedef HRESULT(WINAPI *LPCREATEDXGIFACTORY)(REFIID, void **); |
| 84 | +typedef HRESULT(WINAPI *LPD3D11CREATEDEVICEANDSWAPCHAIN)(__in_opt IDXGIAdapter *pAdapter, D3D_DRIVER_TYPE DriverType, HMODULE Software, UINT Flags, __in_ecount_opt(FeatureLevels) CONST D3D_FEATURE_LEVEL *pFeatureLevels, UINT FeatureLevels, UINT SDKVersion, __in_opt CONST DXGI_SWAP_CHAIN_DESC *pSwapChainDesc, __out_opt IDXGISwapChain **ppSwapChain, __out_opt ID3D11Device **ppDevice, __out_opt D3D_FEATURE_LEVEL *pFeatureLevel, __out_opt ID3D11DeviceContext **ppImmediateContext); |
| 85 | +typedef HRESULT(WINAPI *LPD3D11CREATEDEVICE)(IDXGIAdapter *, D3D_DRIVER_TYPE, HMODULE, UINT32, D3D_FEATURE_LEVEL *, UINT, UINT32, ID3D11Device **, D3D_FEATURE_LEVEL *, ID3D11DeviceContext **); |
| 86 | + |
| 87 | +static HMODULE s_hModDXGI = NULL; |
| 88 | +static LPCREATEDXGIFACTORY sFnPtr_CreateDXGIFactory = NULL; |
| 89 | +static HMODULE s_hModD3D11 = NULL; |
| 90 | +static LPD3D11CREATEDEVICE sFnPtr_D3D11CreateDevice = NULL; |
| 91 | +static LPD3D11CREATEDEVICEANDSWAPCHAIN sFnPtr_D3D11CreateDeviceAndSwapChain = NULL; |
| 92 | + |
| 93 | +// unload the D3D10 DLLs |
| 94 | +static bool dynlinkUnloadD3D11API(void) |
| 95 | +{ |
| 96 | + if (s_hModDXGI) |
| 97 | + { |
| 98 | + FreeLibrary(s_hModDXGI); |
| 99 | + s_hModDXGI = NULL; |
| 100 | + } |
| 101 | + |
| 102 | + if (s_hModD3D11) |
| 103 | + { |
| 104 | + FreeLibrary(s_hModD3D11); |
| 105 | + s_hModD3D11 = NULL; |
| 106 | + } |
| 107 | + |
| 108 | + return true; |
| 109 | +} |
| 110 | + |
| 111 | +// Dynamically load the D3D11 DLLs loaded and map the function pointers |
| 112 | +static bool dynlinkLoadD3D11API(void) |
| 113 | +{ |
| 114 | + // If both modules are non-NULL, this function has already been called. Note |
| 115 | + // that this doesn't guarantee that all ProcAddresses were found. |
| 116 | + if (s_hModD3D11 != NULL && s_hModDXGI != NULL) |
| 117 | + { |
| 118 | + return true; |
| 119 | + } |
| 120 | + |
| 121 | +#if 1 |
| 122 | + // This may fail if Direct3D 11 isn't installed |
| 123 | + s_hModD3D11 = LoadLibrary("d3d11.dll"); |
| 124 | + |
| 125 | + if (s_hModD3D11 != NULL) |
| 126 | + { |
| 127 | + sFnPtr_D3D11CreateDevice = (LPD3D11CREATEDEVICE)GetProcAddress(s_hModD3D11, "D3D11CreateDevice"); |
| 128 | + sFnPtr_D3D11CreateDeviceAndSwapChain = (LPD3D11CREATEDEVICEANDSWAPCHAIN)GetProcAddress(s_hModD3D11, "D3D11CreateDeviceAndSwapChain"); |
| 129 | + } |
| 130 | + else |
| 131 | + { |
| 132 | + printf("\nLoad d3d11.dll failed\n"); |
| 133 | + fflush(0); |
| 134 | + } |
| 135 | + |
| 136 | + if (!sFnPtr_CreateDXGIFactory) |
| 137 | + { |
| 138 | + s_hModDXGI = LoadLibrary("dxgi.dll"); |
| 139 | + |
| 140 | + if (s_hModDXGI) |
| 141 | + { |
| 142 | + sFnPtr_CreateDXGIFactory = (LPCREATEDXGIFACTORY)GetProcAddress(s_hModDXGI, "CreateDXGIFactory1"); |
| 143 | + } |
| 144 | + |
| 145 | + return (s_hModDXGI != NULL) && (s_hModD3D11 != NULL); |
| 146 | + } |
| 147 | + |
| 148 | + return (s_hModD3D11 != NULL); |
| 149 | +#else |
| 150 | + sFnPtr_D3D11CreateDevice = (LPD3D11CREATEDEVICE)D3D11CreateDeviceAndSwapChain; |
| 151 | + sFnPtr_D3D11CreateDeviceAndSwapChain = (LPD3D11CREATEDEVICEANDSWAPCHAIN)D3D11CreateDeviceAndSwapChain; |
| 152 | + //sFnPtr_D3DX11CreateEffectFromMemory = ( LPD3DX11CREATEEFFECTFROMMEMORY )D3DX11CreateEffectFromMemory; |
| 153 | + sFnPtr_D3DX11CompileFromMemory = (LPD3DX11COMPILEFROMMEMORY)D3DX11CompileFromMemory; |
| 154 | + sFnPtr_CreateDXGIFactory = (LPCREATEDXGIFACTORY)CreateDXGIFactory; |
| 155 | + return true; |
| 156 | +#endif |
| 157 | + return true; |
| 158 | +} |
| 159 | + |
| 160 | +#endif |
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