#include "oclUtils.h"
#include <fstream>
#include <vector>
#include <iostream>
#include <algorithm>
#include <stdarg.h>

// Helper function to get OpenCL error string from constant
// *********************************************************************
const char* oclErrorString(cl_int error)
{
    static const char* errorString[] = {
        "CL_SUCCESS",
        "CL_DEVICE_NOT_FOUND",
        "CL_DEVICE_NOT_AVAILABLE",
        "CL_COMPILER_NOT_AVAILABLE",
        "CL_MEM_OBJECT_ALLOCATION_FAILURE",
        "CL_OUT_OF_RESOURCES",
        "CL_OUT_OF_HOST_MEMORY",
        "CL_PROFILING_INFO_NOT_AVAILABLE",
        "CL_MEM_COPY_OVERLAP",
        "CL_IMAGE_FORMAT_MISMATCH",
        "CL_IMAGE_FORMAT_NOT_SUPPORTED",
        "CL_BUILD_PROGRAM_FAILURE",
        "CL_MAP_FAILURE",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "",
        "CL_INVALID_VALUE",
        "CL_INVALID_DEVICE_TYPE",
        "CL_INVALID_PLATFORM",
        "CL_INVALID_DEVICE",
        "CL_INVALID_CONTEXT",
        "CL_INVALID_QUEUE_PROPERTIES",
        "CL_INVALID_COMMAND_QUEUE",
        "CL_INVALID_HOST_PTR",
        "CL_INVALID_MEM_OBJECT",
        "CL_INVALID_IMAGE_FORMAT_DESCRIPTOR",
        "CL_INVALID_IMAGE_SIZE",
        "CL_INVALID_SAMPLER",
        "CL_INVALID_BINARY",
        "CL_INVALID_BUILD_OPTIONS",
        "CL_INVALID_PROGRAM",
        "CL_INVALID_PROGRAM_EXECUTABLE",
        "CL_INVALID_KERNEL_NAME",
        "CL_INVALID_KERNEL_DEFINITION",
        "CL_INVALID_KERNEL",
        "CL_INVALID_ARG_INDEX",
        "CL_INVALID_ARG_VALUE",
        "CL_INVALID_ARG_SIZE",
        "CL_INVALID_KERNEL_ARGS",
        "CL_INVALID_WORK_DIMENSION",
        "CL_INVALID_WORK_GROUP_SIZE",
        "CL_INVALID_WORK_ITEM_SIZE",
        "CL_INVALID_GLOBAL_OFFSET",
        "CL_INVALID_EVENT_WAIT_LIST",
        "CL_INVALID_EVENT",
        "CL_INVALID_OPERATION",
        "CL_INVALID_GL_OBJECT",
        "CL_INVALID_BUFFER_SIZE",
        "CL_INVALID_MIP_LEVEL",
        "CL_INVALID_GLOBAL_WORK_SIZE",
    };

    const int errorCount = sizeof(errorString) / sizeof(errorString[0]);

    const int index = -error;

    return (index >= 0 && index < errorCount) ? errorString[index] : "Unspecified Error";
}

//////////////////////////////////////////////////////////////////////////////                                                      
//! Get and log the binary (PTX) from the OpenCL compiler for the requested program & device                                        
//!                                                                                                                                 
//! @param cpProgram    OpenCL program                                                                                              
//! @param cdDevice     device of interest                                                                                          
//////////////////////////////////////////////////////////////////////////////                                                      
void oclLogBuildInfo(cl_program cpProgram, cl_device_id cdDevice)
{
  // write out the build log and ptx, then exit                                                                                   
  char cBuildLog[10240];
  clGetProgramBuildInfo(cpProgram, cdDevice, CL_PROGRAM_BUILD_LOG,
			sizeof(cBuildLog), cBuildLog, NULL );
  //shrLog("\n%s\nBuild Log:\n%s\n%s\n", HDASHLINE, cBuildLog, HDASHLINE);
  printf("Build Log:\n%s\n", cBuildLog);
}