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vo_opengl: hwdec_cuda: Prefix cuda symbols to avoid collisions

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We want to avoid causing problems if libmpv is used in an application
that links cuda, or if the libav* libraries are linked with cuda,
as might happen if the scale_npp filter is used.
This commit is contained in:
Philip Langdale 2016-11-24 11:07:21 -08:00 committed by wm4
parent 5aab17f833
commit 48a7c4be3a
2 changed files with 18 additions and 11 deletions
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6
video/out/opengl/cuda_dynamic.c
View File

@ -22,7 +22,7 @@
#if defined(_WIN32)
# include <windows.h>
# define dlopen(filename, flags) LoadLibrary(TEXT(filename))
# define dlsym(handle, symbol) GetProcAddress(handle, symbol)
# define dlsym(handle, symbol) (void *)GetProcAddress(handle, symbol)
# define dlclose(handle) FreeLibrary(handle)
#else
# include <dlfcn.h>
@ -35,7 +35,7 @@
#endif
#define CUDA_DECL(NAME, TYPE) \
TYPE *NAME;
TYPE *mpv_ ## NAME;
CUDA_FNS(CUDA_DECL)
static bool cuda_loaded = false;
@ -49,7 +49,7 @@ static void cuda_do_load(void)
}
#define CUDA_LOAD_SYMBOL(NAME, TYPE) \
NAME = (TYPE *)dlsym(lib, #NAME); if (!NAME) return;
mpv_ ## NAME = dlsym(lib, #NAME); if (!mpv_ ## NAME) return;
CUDA_FNS(CUDA_LOAD_SYMBOL)

23
video/out/opengl/cuda_dynamic.h
View File

@ -119,20 +119,27 @@ typedef CUresult CUDAAPI tcuGraphicsSubResourceGetMappedArray(CUarray* pArray, C
FN(cuGraphicsUnregisterResource, tcuGraphicsUnregisterResource) \
FN(cuGraphicsMapResources, tcuGraphicsMapResources) \
FN(cuGraphicsUnmapResources, tcuGraphicsUnmapResources) \
FN(cuGraphicsUnmapResources, tcuGraphicsUnmapResources) \
FN(cuGraphicsSubResourceGetMappedArray, tcuGraphicsSubResourceGetMappedArray) \
#define CUDA_EXT_DECL(NAME, TYPE) \
extern TYPE *NAME;
extern TYPE *mpv_ ## NAME;
CUDA_FNS(CUDA_EXT_DECL)
#define cuCtxCreate cuCtxCreate_v2
#define cuCtxPushCurrent cuCtxPushCurrent_v2
#define cuCtxPopCurrent cuCtxPopCurrent_v2
#define cuCtxDestroy cuCtxDestroy_v2
#define cuMemcpy2D cuMemcpy2D_v2
#define cuGLGetDevices cuGLGetDevices_v2
#define cuInit mpv_cuInit
#define cuCtxCreate mpv_cuCtxCreate_v2
#define cuCtxPushCurrent mpv_cuCtxPushCurrent_v2
#define cuCtxPopCurrent mpv_cuCtxPopCurrent_v2
#define cuCtxDestroy mpv_cuCtxDestroy_v2
#define cuMemcpy2D mpv_cuMemcpy2D_v2
#define cuGetErrorName mpv_cuGetErrorName
#define cuGetErrorString mpv_cuGetErrorString
#define cuGLGetDevices mpv_cuGLGetDevices_v2
#define cuGraphicsGLRegisterImage mpv_cuGraphicsGLRegisterImage
#define cuGraphicsUnregisterResource mpv_cuGraphicsUnregisterResource
#define cuGraphicsMapResources mpv_cuGraphicsMapResources
#define cuGraphicsUnmapResources mpv_cuGraphicsUnmapResources
#define cuGraphicsSubResourceGetMappedArray mpv_cuGraphicsSubResourceGetMappedArray
bool cuda_load(void);