Files
UltraGrid/libgpujpeg/gpujpeg_util.h
2012-01-10 10:36:14 +01:00

74 lines
2.6 KiB
C

/**
* Copyright (c) 2011, CESNET z.s.p.o
* Copyright (c) 2011, Silicon Genome, LLC.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GPUJPEG_UTIL_H
#define GPUJPEG_UTIL_H
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <assert.h>
#include <cuda_runtime.h>
// Timer
#define GPUJPEG_TIMER_INIT() \
cudaEvent_t __start, __stop; \
cudaEventCreate(&__start); \
cudaEventCreate(&__stop); \
float __elapsedTime;
#define GPUJPEG_TIMER_START() \
cudaEventRecord(__start,0)
#define GPUJPEG_TIMER_STOP() \
cudaEventRecord(__stop,0); \
cudaEventSynchronize(__stop); \
cudaEventElapsedTime(&__elapsedTime, __start, __stop)
#define GPUJPEG_TIMER_DURATION() __elapsedTime
#define GPUJPEG_TIMER_STOP_PRINT(text) \
GPUJPEG_TIMER_STOP(); \
printf("%s %f ms\n", text, __elapsedTime)
// CUDA check error
#define gpujpeg_cuda_check_error(msg) \
{ \
cudaError_t err = cudaGetLastError(); \
if( cudaSuccess != err) { \
fprintf(stderr, "%s (line %i): %s: %s.\n", \
__FILE__, __LINE__, msg, cudaGetErrorString( err) ); \
exit(-1); \
} \
} \
// Divide and round up
#define gpujpeg_div_and_round_up(value, div) \
(((value % div) != 0) ? (value / div + 1) : (value / div))
#endif // GPUJPEG_UTIL_H