Add CUDA OpenGL Interop symbols and types

This will allow mpv to use this loader, instead of having to maintain
its own code.

I've bumped the 'nano' version to provide a unique version associated
with adding these additional symbols.

ffnvcodec.pc.in

@@ -3,5 +3,5 @@ includedir=${prefix}/include
 
 Name: ffnvcodec
 Description: FFmpeg version of Nvidia Codec SDK headers
-Version: 8.1.24.0
+Version: 8.1.24.1
 Cflags: -I${includedir}

include/ffnvcodec/dynlink_cuda.h

@@ -56,7 +56,8 @@ typedef enum cudaError_enum {
 
 typedef enum CUmemorytype_enum {
     CU_MEMORYTYPE_HOST = 1,
-    CU_MEMORYTYPE_DEVICE = 2
+    CU_MEMORYTYPE_DEVICE = 2,
+    CU_MEMORYTYPE_ARRAY = 3
 } CUmemorytype;
 
 typedef enum CUlimit_enum {
@@ -88,6 +89,18 @@ typedef struct CUDA_MEMCPY2D_st {
     size_t Height;
 } CUDA_MEMCPY2D;
 
+typedef unsigned int GLenum;
+typedef unsigned int GLuint;
+typedef struct CUgraphicsResource_st *CUgraphicsResource;
+
+typedef enum CUGLDeviceList_enum {
+    CU_GL_DEVICE_LIST_ALL = 1,
+    CU_GL_DEVICE_LIST_CURRENT_FRAME = 2,
+    CU_GL_DEVICE_LIST_NEXT_FRAME = 3,
+} CUGLDeviceList;
+
+#define CU_GRAPHICS_REGISTER_FLAGS_WRITE_DISCARD 2
+
 typedef CUresult CUDAAPI tcuInit(unsigned int Flags);
 typedef CUresult CUDAAPI tcuDeviceGetCount(int *count);
 typedef CUresult CUDAAPI tcuDeviceGet(CUdevice *device, int ordinal);
@@ -104,4 +117,11 @@ typedef CUresult CUDAAPI tcuMemcpy2D_v2(const CUDA_MEMCPY2D *pcopy);
 typedef CUresult CUDAAPI tcuGetErrorName(CUresult error, const char** pstr);
 typedef CUresult CUDAAPI tcuGetErrorString(CUresult error, const char** pstr);
 
+typedef CUresult CUDAAPI tcuGLGetDevices_v2(unsigned int* pCudaDeviceCount, CUdevice* pCudaDevices, unsigned int cudaDeviceCount, CUGLDeviceList deviceList);
+typedef CUresult CUDAAPI tcuGraphicsGLRegisterImage(CUgraphicsResource* pCudaResource, GLuint image, GLenum target, unsigned int Flags);
+typedef CUresult CUDAAPI tcuGraphicsUnregisterResource(CUgraphicsResource resource);
+typedef CUresult CUDAAPI tcuGraphicsMapResources(unsigned int count, CUgraphicsResource* resources, CUstream hStream);
+typedef CUresult CUDAAPI tcuGraphicsUnmapResources(unsigned int count, CUgraphicsResource* resources, CUstream hStream);
+typedef CUresult CUDAAPI tcuGraphicsSubResourceGetMappedArray(CUarray* pArray, CUgraphicsResource resource, unsigned int arrayIndex, unsigned int mipLevel);
+
 #endif

include/ffnvcodec/dynlink_loader.h

@@ -152,6 +152,13 @@ typedef struct CudaFunctions {
     tcuGetErrorName *cuGetErrorName;
     tcuGetErrorString *cuGetErrorString;
 
+    tcuGLGetDevices_v2 *cuGLGetDevices;
+    tcuGraphicsGLRegisterImage *cuGraphicsGLRegisterImage;
+    tcuGraphicsUnregisterResource *cuGraphicsUnregisterResource;
+    tcuGraphicsMapResources *cuGraphicsMapResources;
+    tcuGraphicsUnmapResources *cuGraphicsUnmapResources;
+    tcuGraphicsSubResourceGetMappedArray *cuGraphicsSubResourceGetMappedArray;
+
     FFNV_LIB_HANDLE lib;
 } CudaFunctions;
 #else
@@ -232,6 +239,13 @@ static inline int cuda_load_functions(CudaFunctions **functions, void *logctx)
     LOAD_SYMBOL(cuGetErrorName, tcuGetErrorName, "cuGetErrorName");
     LOAD_SYMBOL(cuGetErrorString, tcuGetErrorString, "cuGetErrorString");
 
+    LOAD_SYMBOL(cuGLGetDevices, tcuGLGetDevices_v2, "cuGLGetDevices_v2");
+    LOAD_SYMBOL(cuGraphicsGLRegisterImage, tcuGraphicsGLRegisterImage, "cuGraphicsGLRegisterImage");
+    LOAD_SYMBOL(cuGraphicsUnregisterResource, tcuGraphicsUnregisterResource, "cuGraphicsUnregisterResource");
+    LOAD_SYMBOL(cuGraphicsMapResources, tcuGraphicsMapResources, "cuGraphicsMapResources");
+    LOAD_SYMBOL(cuGraphicsUnmapResources, tcuGraphicsUnmapResources, "cuGraphicsUnmapResources");
+    LOAD_SYMBOL(cuGraphicsSubResourceGetMappedArray, tcuGraphicsSubResourceGetMappedArray, "cuGraphicsSubResourceGetMappedArray");
+
     GENERIC_LOAD_FUNC_FINALE(cuda);
 }
 #endif