mirror of
https://github.com/tesseract-ocr/tesseract.git
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983aaabaae
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@909 d0cd1f9f-072b-0410-8dd7-cf729c803f20
212 lines
8.0 KiB
C++
212 lines
8.0 KiB
C++
#include <stdio.h>
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#include "allheaders.h"
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#include "pix.h"
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#include "tiff.h"
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#include "tiffio.h"
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#include "tprintf.h"
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// including CL/cl.h doesn't occur until USE_OPENCL defined below
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/**************************************************************************
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* enable/disable use of OpenCL
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**************************************************************************/
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#ifdef USE_OPENCL
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#define USE_DEVICE_SELECTION 0
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#include "CL/cl.h"
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#ifndef strcasecmp
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#define strcasecmp strcmp
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#endif
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#define MAX_KERNEL_STRING_LEN 64
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#define MAX_CLFILE_NUM 50
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#define MAX_CLKERNEL_NUM 200
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#define MAX_KERNEL_NAME_LEN 64
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#define CL_QUEUE_THREAD_HANDLE_AMD 0x403E
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#define GROUPSIZE_X 16
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#define GROUPSIZE_Y 16
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#define GROUPSIZE_HMORX 256
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#define GROUPSIZE_HMORY 1
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typedef struct _KernelEnv
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{
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cl_context mpkContext;
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cl_command_queue mpkCmdQueue;
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cl_program mpkProgram;
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cl_kernel mpkKernel;
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char mckKernelName[150];
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} KernelEnv;
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typedef struct _OpenCLEnv
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{
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cl_platform_id mpOclPlatformID;
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cl_context mpOclContext;
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cl_device_id mpOclDevsID;
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cl_command_queue mpOclCmdQueue;
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} OpenCLEnv;
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typedef int ( *cl_kernel_function )( void **userdata, KernelEnv *kenv );
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static l_int32 MORPH_BC = ASYMMETRIC_MORPH_BC;
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static const l_uint32 lmask32[] = {0x0,
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0x80000000, 0xc0000000, 0xe0000000, 0xf0000000,
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0xf8000000, 0xfc000000, 0xfe000000, 0xff000000,
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0xff800000, 0xffc00000, 0xffe00000, 0xfff00000,
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0xfff80000, 0xfffc0000, 0xfffe0000, 0xffff0000,
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0xffff8000, 0xffffc000, 0xffffe000, 0xfffff000,
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0xfffff800, 0xfffffc00, 0xfffffe00, 0xffffff00,
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0xffffff80, 0xffffffc0, 0xffffffe0, 0xfffffff0,
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0xfffffff8, 0xfffffffc, 0xfffffffe, 0xffffffff};
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static const l_uint32 rmask32[] = {0x0,
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0x00000001, 0x00000003, 0x00000007, 0x0000000f,
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0x0000001f, 0x0000003f, 0x0000007f, 0x000000ff,
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0x000001ff, 0x000003ff, 0x000007ff, 0x00000fff,
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0x00001fff, 0x00003fff, 0x00007fff, 0x0000ffff,
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0x0001ffff, 0x0003ffff, 0x0007ffff, 0x000fffff,
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0x001fffff, 0x003fffff, 0x007fffff, 0x00ffffff,
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0x01ffffff, 0x03ffffff, 0x07ffffff, 0x0fffffff,
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0x1fffffff, 0x3fffffff, 0x7fffffff, 0xffffffff};
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#define CHECK_OPENCL(status,name) \
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if( status != CL_SUCCESS ) \
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{ \
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printf ("OpenCL error code is %d at when %s .\n", status, name); \
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}
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typedef struct _GPUEnv
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{
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//share vb in all modules in hb library
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cl_platform_id mpPlatformID;
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cl_device_type mDevType;
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cl_context mpContext;
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cl_device_id *mpArryDevsID;
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cl_device_id mpDevID;
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cl_command_queue mpCmdQueue;
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cl_kernel mpArryKernels[MAX_CLFILE_NUM];
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cl_program mpArryPrograms[MAX_CLFILE_NUM]; //one program object maps one kernel source file
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char mArryKnelSrcFile[MAX_CLFILE_NUM][256], //the max len of kernel file name is 256
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mArrykernelNames[MAX_CLKERNEL_NUM][MAX_KERNEL_STRING_LEN + 1];
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cl_kernel_function mpArryKnelFuncs[MAX_CLKERNEL_NUM];
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int mnKernelCount, mnFileCount, // only one kernel file
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mnIsUserCreated; // 1: created , 0:no create and needed to create by opencl wrapper
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int mnKhrFp64Flag;
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int mnAmdFp64Flag;
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} GPUEnv;
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class OpenclDevice
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{
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public:
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static GPUEnv gpuEnv;
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static int isInited;
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OpenclDevice();
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~OpenclDevice();
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static int InitEnv(); // load dll, call InitOpenclRunEnv(0)
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static int InitOpenclRunEnv( int argc ); // RegistOpenclKernel, double flags, compile kernels
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static int InitOpenclRunEnv_DeviceSelection( int argc ); // RegistOpenclKernel, double flags, compile kernels
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static int InitOpenclRunEnv( GPUEnv *gpu ); // select device by env_CPU or selector
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static int RegistOpenclKernel();
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static int ReleaseOpenclRunEnv();
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static int ReleaseOpenclEnv( GPUEnv *gpuInfo );
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static int CompileKernelFile( GPUEnv *gpuInfo, const char *buildOption );
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static int CachedOfKernerPrg( const GPUEnv *gpuEnvCached, const char * clFileName );
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static int GeneratBinFromKernelSource( cl_program program, const char * clFileName );
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static int WriteBinaryToFile( const char* fileName, const char* birary, size_t numBytes );
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static int BinaryGenerated( const char * clFileName, FILE ** fhandle );
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//static int CompileKernelFile( const char *filename, GPUEnv *gpuInfo, const char *buildOption );
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static l_uint32* pixReadFromTiffKernel(l_uint32 *tiffdata,l_int32 w,l_int32 h,l_int32 wpl, l_uint32 *line);
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static Pix* pixReadTiffCl( const char *filename, l_int32 n );
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static PIX * pixReadStreamTiffCl ( FILE *fp, l_int32 n );
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static PIX* pixReadFromTiffStreamCl(TIFF *tif);
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static int composeRGBPixelCl(int *tiffdata,int *line,int h,int w);
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static l_int32 getTiffStreamResolutionCl(TIFF *tif,l_int32 *pxres,l_int32 *pyres);
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static TIFF* fopenTiffCl(FILE *fp,const char *modestring);
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/* OpenCL implementations of Morphological operations*/
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//Initialiation of OCL buffers used in Morph operations
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static int initMorphCLAllocations(l_int32 wpl, l_int32 h, PIX* pixs);
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static void releaseMorphCLBuffers();
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// OpenCL implementation of Morphology Dilate
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static PIX* pixDilateBrickCL(PIX *pixd, PIX *pixs, l_int32 hsize, l_int32 vsize, bool reqDataCopy);
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// OpenCL implementation of Morphology Erode
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static PIX* pixErodeBrickCL(PIX *pixd, PIX *pixs, l_int32 hsize, l_int32 vsize, bool reqDataCopy);
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// OpenCL implementation of Morphology Close
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static PIX* pixCloseBrickCL(PIX *pixd, PIX *pixs, l_int32 hsize, l_int32 vsize, bool reqDataCopy);
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// OpenCL implementation of Morphology Open
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static PIX* pixOpenBrickCL(PIX *pixd, PIX *pixs, l_int32 hsize, l_int32 vsize, bool reqDataCopy);
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// OpenCL implementation of Morphology Open
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static PIX* pixSubtractCL(PIX *pixd, PIX *pixs1, PIX *pixs2, bool reqDataCopy);
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// OpenCL implementation of Morphology (Hollow = Closed - Open)
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static PIX* pixHollowCL(PIX *pixd, PIX *pixs, l_int32 close_hsize, l_int32 close_vsize, l_int32 open_hsize, l_int32 open_vsize, bool reqDataCopy);
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static void pixGetLinesCL(PIX *pixd, PIX *pixs,
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PIX** pix_vline, PIX** pix_hline,
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PIX** pixClosed, bool getpixClosed,
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l_int32 close_hsize, l_int32 close_vsize,
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l_int32 open_hsize, l_int32 open_vsize,
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l_int32 line_hsize, l_int32 line_vsize);
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//int InitOpenclAttr( OpenCLEnv * env );
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//int ReleaseKernel( KernelEnv * env );
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static int SetKernelEnv( KernelEnv *envInfo );
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//int CreateKernel( char * kernelname, KernelEnv * env );
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//int RunKernel( const char *kernelName, void **userdata );
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//int ConvertToString( const char *filename, char **source );
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//int CheckKernelName( KernelEnv *envInfo, const char *kernelName );
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//int RegisterKernelWrapper( const char *kernelName, cl_kernel_function function );
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//int RunKernelWrapper( cl_kernel_function function, const char * kernelName, void **usrdata );
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//int GetKernelEnvAndFunc( const char *kernelName, KernelEnv *env, cl_kernel_function *function );
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// static cl_device_id performDeviceSelection( );
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//static bool thresholdRectToPixMicroBench( TessScoreEvaluationInputData input, ds_device_type type);
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#ifdef WIN32
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static int LoadOpencl();
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//static int OpenclInite();
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static void FreeOpenclDll();
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#endif
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//int GetOpenclState();
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//void SetOpenclState( int state );
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inline static int AddKernelConfig( int kCount, const char *kName );
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/* for binarization */
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static void HistogramRectOCL(
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const unsigned char *imagedata,
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int bytes_per_pixel,
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int bytes_per_line,
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int left,
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int top,
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int width,
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int height,
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int kHistogramSize,
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int *histogramAllChannels);
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static void ThresholdRectToPixOCL(
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const unsigned char* imagedata,
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int bytes_per_pixel,
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int bytes_per_line,
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const int* thresholds,
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const int* hi_values,
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Pix** pix,
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int rect_height,
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int rect_width,
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int rect_top,
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int rect_left);
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};
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#endif
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