aboutsummaryrefslogtreecommitdiff
path: root/include/CudaLibrary.hpp
diff options
context:
space:
mode:
authordec05eba <dec05eba@protonmail.com>2022-10-16 02:08:40 +0200
committerdec05eba <dec05eba@protonmail.com>2022-10-16 04:15:09 +0200
commita7e0dbd83381377bd05a3fa988511d3713996370 (patch)
tree0e18f4c7b95aa4cf79d6646bca77ed5f03c65fb3 /include/CudaLibrary.hpp
parent93d46b976730bced7a70be1617a0171600167314 (diff)
Refactor xcomposite into abstract capture api
Refactor c++ files into c files, more usable
Diffstat (limited to 'include/CudaLibrary.hpp')
-rw-r--r--include/CudaLibrary.hpp143
1 files changed, 0 insertions, 143 deletions
diff --git a/include/CudaLibrary.hpp b/include/CudaLibrary.hpp
deleted file mode 100644
index fe99975..0000000
--- a/include/CudaLibrary.hpp
+++ /dev/null
@@ -1,143 +0,0 @@
-#pragma once
-
-#include "LibraryLoader.hpp"
-
-#include <dlfcn.h>
-#include <stdio.h>
-
-// To prevent hwcontext_cuda.h from including cuda.h
-#define CUDA_VERSION 11070
-
-#if defined(_WIN64) || defined(__LP64__)
-typedef unsigned long long CUdeviceptr_v2;
-#else
-typedef unsigned int CUdeviceptr_v2;
-#endif
-typedef CUdeviceptr_v2 CUdeviceptr;
-
-typedef int CUresult;
-typedef int CUdevice_v1;
-typedef CUdevice_v1 CUdevice;
-typedef struct CUctx_st *CUcontext;
-typedef struct CUstream_st *CUstream;
-typedef struct CUarray_st *CUarray;
-
-static const int CUDA_SUCCESS = 0;
-
-typedef enum CUgraphicsMapResourceFlags_enum {
- CU_GRAPHICS_MAP_RESOURCE_FLAGS_NONE = 0x00,
- CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY = 0x01,
- CU_GRAPHICS_MAP_RESOURCE_FLAGS_WRITE_DISCARD = 0x02
-} CUgraphicsMapResourceFlags;
-
-typedef enum CUgraphicsRegisterFlags_enum {
- CU_GRAPHICS_REGISTER_FLAGS_NONE = 0x00,
- CU_GRAPHICS_REGISTER_FLAGS_READ_ONLY = 0x01,
- CU_GRAPHICS_REGISTER_FLAGS_WRITE_DISCARD = 0x02,
- CU_GRAPHICS_REGISTER_FLAGS_SURFACE_LDST = 0x04,
- CU_GRAPHICS_REGISTER_FLAGS_TEXTURE_GATHER = 0x08
-} CUgraphicsRegisterFlags;
-
-typedef enum CUmemorytype_enum {
- CU_MEMORYTYPE_HOST = 0x01, /**< Host memory */
- CU_MEMORYTYPE_DEVICE = 0x02, /**< Device memory */
- CU_MEMORYTYPE_ARRAY = 0x03, /**< Array memory */
- CU_MEMORYTYPE_UNIFIED = 0x04 /**< Unified device or host memory */
-} CUmemorytype;
-
-typedef struct CUDA_MEMCPY2D_st {
- size_t srcXInBytes; /**< Source X in bytes */
- size_t srcY; /**< Source Y */
-
- CUmemorytype srcMemoryType; /**< Source memory type (host, device, array) */
- const void *srcHost; /**< Source host pointer */
- CUdeviceptr srcDevice; /**< Source device pointer */
- CUarray srcArray; /**< Source array reference */
- size_t srcPitch; /**< Source pitch (ignored when src is array) */
-
- size_t dstXInBytes; /**< Destination X in bytes */
- size_t dstY; /**< Destination Y */
-
- CUmemorytype dstMemoryType; /**< Destination memory type (host, device, array) */
- void *dstHost; /**< Destination host pointer */
- CUdeviceptr dstDevice; /**< Destination device pointer */
- CUarray dstArray; /**< Destination array reference */
- size_t dstPitch; /**< Destination pitch (ignored when dst is array) */
-
- size_t WidthInBytes; /**< Width of 2D memory copy in bytes */
- size_t Height; /**< Height of 2D memory copy */
-} CUDA_MEMCPY2D_v2;
-typedef CUDA_MEMCPY2D_v2 CUDA_MEMCPY2D;
-
-static const int CU_CTX_SCHED_AUTO = 0;
-
-typedef struct CUgraphicsResource_st *CUgraphicsResource;
-
-struct Cuda {
- CUresult (*cuInit)(unsigned int Flags);
- CUresult (*cuDeviceGetCount)(int *count);
- CUresult (*cuDeviceGet)(CUdevice *device, int ordinal);
- CUresult (*cuCtxCreate_v2)(CUcontext *pctx, unsigned int flags, CUdevice dev);
- CUresult (*cuCtxPushCurrent_v2)(CUcontext ctx);
- CUresult (*cuCtxPopCurrent_v2)(CUcontext *pctx);
- CUresult (*cuGetErrorString)(CUresult error, const char **pStr);
- CUresult (*cuMemsetD8_v2)(CUdeviceptr dstDevice, unsigned char uc, size_t N);
- CUresult (*cuMemcpy2D_v2)(const CUDA_MEMCPY2D *pCopy);
-
- CUresult (*cuGraphicsGLRegisterImage)(CUgraphicsResource *pCudaResource, unsigned int image, unsigned int target, unsigned int Flags);
- CUresult (*cuGraphicsResourceSetMapFlags)(CUgraphicsResource resource, unsigned int flags);
- CUresult (*cuGraphicsMapResources)(unsigned int count, CUgraphicsResource *resources, CUstream hStream);
- CUresult (*cuGraphicsUnregisterResource)(CUgraphicsResource resource);
- CUresult (*cuGraphicsSubResourceGetMappedArray)(CUarray *pArray, CUgraphicsResource resource, unsigned int arrayIndex, unsigned int mipLevel);
-
- ~Cuda() {
- if(library)
- dlclose(library);
- }
-
- bool load() {
- if(library)
- return true;
-
- dlerror(); // clear
- void *lib = dlopen("libcuda.so.1", RTLD_LAZY);
- if(!lib) {
- lib = dlopen("libcuda.so", RTLD_LAZY);
- if(!lib) {
- fprintf(stderr, "Error: failed to load libcuda.so/libcuda.so.1, error: %s\n", dlerror());
- return false;
- }
- }
-
- dlsym_assign required_dlsym[] = {
- { (void**)&cuInit, "cuInit" },
- { (void**)&cuDeviceGetCount, "cuDeviceGetCount" },
- { (void**)&cuDeviceGet, "cuDeviceGet" },
- { (void**)&cuCtxCreate_v2, "cuCtxCreate_v2" },
- { (void**)&cuCtxPushCurrent_v2, "cuCtxPushCurrent_v2" },
- { (void**)&cuCtxPopCurrent_v2, "cuCtxPopCurrent_v2" },
- { (void**)&cuGetErrorString, "cuGetErrorString" },
- { (void**)&cuMemsetD8_v2, "cuMemsetD8_v2" },
- { (void**)&cuMemcpy2D_v2, "cuMemcpy2D_v2" },
-
- { (void**)&cuGraphicsGLRegisterImage, "cuGraphicsGLRegisterImage" },
- { (void**)&cuGraphicsResourceSetMapFlags, "cuGraphicsResourceSetMapFlags" },
- { (void**)&cuGraphicsMapResources, "cuGraphicsMapResources" },
- { (void**)&cuGraphicsUnregisterResource, "cuGraphicsUnregisterResource" },
- { (void**)&cuGraphicsSubResourceGetMappedArray, "cuGraphicsSubResourceGetMappedArray" },
-
- { NULL, NULL }
- };
-
- if(dlsym_load_list(lib, required_dlsym)) {
- library = lib;
- return true;
- } else {
- fprintf(stderr, "Error: missing required symbols in libcuda.so\n");
- dlclose(lib);
- return false;
- }
- }
-private:
- void *library = nullptr;
-};