clray
diff src/ocl.h @ 0:5767277e049f
first test works, let's try to make a raytracer now...
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Mon, 12 Jul 2010 05:56:47 +0300 |
parents | |
children | 0b0e4d18d53f |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/ocl.h Mon Jul 12 05:56:47 2010 +0300 1.3 @@ -0,0 +1,63 @@ 1.4 +#ifndef OCL_H_ 1.5 +#define OCL_H_ 1.6 + 1.7 +#include <vector> 1.8 +#include <string> 1.9 +#ifndef __APPLE__ 1.10 +#include <CL/opencl.h> 1.11 +#else 1.12 +#include <OpenCL/opencl.h> 1.13 +#endif 1.14 + 1.15 +enum { 1.16 + ARG_RD = CL_MEM_READ_ONLY, 1.17 + ARG_WR = CL_MEM_WRITE_ONLY, 1.18 + ARG_RDWR = CL_MEM_READ_WRITE 1.19 +}; 1.20 + 1.21 +enum { 1.22 + MAP_RD = CL_MAP_READ, 1.23 + MAP_WR = CL_MAP_WRITE, 1.24 + MAP_RDWR = CL_MAP_READ | CL_MAP_WRITE 1.25 +}; 1.26 + 1.27 +struct CLMemBuffer { 1.28 + cl_mem mem; 1.29 + size_t size; 1.30 + void *ptr; 1.31 +}; 1.32 + 1.33 +CLMemBuffer *create_mem_buffer(int rdwr, size_t sz, void *buf); 1.34 +void destroy_mem_buffer(CLMemBuffer *mbuf); 1.35 + 1.36 +void *map_mem_buffer(CLMemBuffer *mbuf, int rdwr); 1.37 +void unmap_mem_buffer(CLMemBuffer *mbuf); 1.38 + 1.39 +bool write_mem_buffer(CLMemBuffer *mbuf, size_t sz, void *src); 1.40 +bool read_mem_buffer(CLMemBuffer *mbuf, size_t sz, void *dest); 1.41 + 1.42 + 1.43 +class CLProgram { 1.44 +private: 1.45 + std::string kname; 1.46 + cl_program prog; 1.47 + cl_kernel kernel; 1.48 + std::vector<CLMemBuffer*> mbuf; 1.49 + bool built; 1.50 + 1.51 +public: 1.52 + CLProgram(const char *kname); 1.53 + ~CLProgram(); 1.54 + 1.55 + bool load(const char *fname); 1.56 + 1.57 + bool set_arg(int arg, int rdwr, size_t sz, void *buf); 1.58 + CLMemBuffer *get_arg_buffer(int arg); 1.59 + 1.60 + bool build(); 1.61 + 1.62 + bool run() const; 1.63 + bool run(int dim, ...) const; 1.64 +}; 1.65 + 1.66 +#endif /* OCL_H_ */