1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA Corporation is strictly prohibited.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved.
#include "PxPhysXConfig.h"
#if PX_SUPPORT_GPU_PHYSX
#include "foundation/Px.h"
#include "PsFoundation.h"
#include "PxPhysics.h"
#include "PxGpu.h"
#include "cudamanager/PxCudaContextManager.h"
#define STRINGIFY(x) #x
#define GETSTRING(x) STRINGIFY(x)
#if PX_X86
#define PLATFORM_SUB_STR "x86"
#elif PX_X64
#define PLATFORM_SUB_STR "x64"
#endif
#if defined(PX_PHYSX_DLL_NAME_POSTFIX)
#define CONFIG_SUB_STR GETSTRING(PX_PHYSX_DLL_NAME_POSTFIX)
#else
#define CONFIG_SUB_STR
#endif
#if PX_WINDOWS
#include "windows/PsWindowsInclude.h"
#include "windows/CmWindowsModuleUpdateLoader.h"
static const char* gPhysXGpuLibraryName = "PhysX3Gpu" CONFIG_SUB_STR "_" PLATFORM_SUB_STR ".dll";
#elif PX_LINUX
#include <dlfcn.h>
static const char* gPhysXGpuLibraryName = "./libPhysX3Gpu" CONFIG_SUB_STR "_" PLATFORM_SUB_STR ".so";
#endif // PX_LINUX
#undef GETSTRING
#undef STRINGIFY
void PxSetPhysXGpuLoadHook(const PxGpuLoadHook* hook)
{
if(strstr(gPhysXGpuLibraryName, "DEBUG"))
{
gPhysXGpuLibraryName = hook->getPhysXGpuDEBUGDllName();
return;
}
if(strstr(gPhysXGpuLibraryName, "CHECKED"))
{
gPhysXGpuLibraryName = hook->getPhysXGpuCHECKEDDllName();
return;
}
if(strstr(gPhysXGpuLibraryName, "PROFILE"))
{
gPhysXGpuLibraryName = hook->getPhysXGpuPROFILEDllName();
return;
}
gPhysXGpuLibraryName = hook->getPhysXGpuDllName();
}
namespace physx
{
#if PX_VC
#pragma warning(disable: 4191) //'operator/operation' : unsafe conversion from 'type of expression' to 'type required'
#endif
class PxFoundation;
class PxPhysXGpu;
typedef physx::PxPhysXGpu* (PxCreatePhysXGpu_FUNC)();
typedef physx::PxCudaContextManager* (PxCreateCudaContextManager_FUNC)(physx::PxFoundation& foundation, const physx::PxCudaContextManagerDesc& desc);
typedef int (PxGetSuggestedCudaDeviceOrdinal_FUNC)(physx::PxErrorCallback& errc);
PxCreatePhysXGpu_FUNC* g_PxCreatePhysXGpu_Func = NULL;
PxCreateCudaContextManager_FUNC* g_PxCreateCudaContextManager_Func = NULL;
PxGetSuggestedCudaDeviceOrdinal_FUNC* g_PxGetSuggestedCudaDeviceOrdinal_Func = NULL;
#if PX_WINDOWS
#define DEFAULT_PHYSX_GPU_GUID "D79FA4BF-177C-4841-8091-4375D311D6A3"
void PxLoadPhysxGPUModule(const char* appGUID)
{
static HMODULE s_library;
if (s_library == NULL)
s_library = GetModuleHandle(gPhysXGpuLibraryName);
if (s_library == NULL)
{
Cm::CmModuleUpdateLoader moduleLoader(UPDATE_LOADER_DLL_NAME);
s_library = moduleLoader.LoadModule(gPhysXGpuLibraryName, appGUID == NULL ? DEFAULT_PHYSX_GPU_GUID : appGUID);
}
if (s_library)
{
g_PxCreatePhysXGpu_Func = (PxCreatePhysXGpu_FUNC*)GetProcAddress(s_library, "PxCreatePhysXGpu");
g_PxCreateCudaContextManager_Func = (PxCreateCudaContextManager_FUNC*)GetProcAddress(s_library, "PxCreateCudaContextManager");
g_PxGetSuggestedCudaDeviceOrdinal_Func = (PxGetSuggestedCudaDeviceOrdinal_FUNC*)GetProcAddress(s_library, "PxGetSuggestedCudaDeviceOrdinal");
}
}
#elif PX_LINUX
void PxLoadPhysxGPUModule(const char*)
{
static void* s_library;
if (s_library == NULL)
{
// load libcuda.so here since gcc configured with --as-needed won't link to it
// if there is no call from the binary to it.
void* hLibCuda = dlopen("libcuda.so", RTLD_NOW | RTLD_GLOBAL);
if (hLibCuda)
{
s_library = dlopen(gPhysXGpuLibraryName, RTLD_NOW);
}
}
// no UpdateLoader
if (s_library)
{
*reinterpret_cast<void**>(&g_PxCreatePhysXGpu_Func) = dlsym(s_library, "PxCreatePhysXGpu");
*reinterpret_cast<void**>(&g_PxCreateCudaContextManager_Func) = dlsym(s_library, "PxCreateCudaContextManager");
*reinterpret_cast<void**>(&g_PxGetSuggestedCudaDeviceOrdinal_Func) = dlsym(s_library, "PxGetSuggestedCudaDeviceOrdinal");
}
}
#endif // PX_LINUX
} // end physx namespace
#endif // PX_SUPPORT_GPU_PHYSX
|