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Let surf.ocl use the new queryDeviceInfo interface.

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This commit is contained in:
peng xiao 2013-05-09 17:19:51 +08:00
parent bfa0f02303
commit e5ea018185
2 changed files with 16 additions and 20 deletions
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34
modules/nonfree/src/surf.ocl.cpp
View File

@ -59,32 +59,28 @@ namespace cv
const char noImage2dOption [] = "-D DISABLE_IMAGE2D";
static char SURF_OPTIONS [1024] = "";
static bool USE_IMAGE2d = false;
static bool use_image2d = false;
static void openCLExecuteKernelSURF(Context *clCxt , const char **source, String kernelName, size_t globalThreads[3],
size_t localThreads[3], std::vector< std::pair<size_t, const void *> > &args, int channels, int depth)
{
char * pSURF_OPTIONS = SURF_OPTIONS;
static bool OPTION_INIT = false;
if(!OPTION_INIT)
char optBuf [100] = {0};
char * optBufPtr = optBuf;
if( !use_image2d )
{
if( !USE_IMAGE2d )
{
strcat(pSURF_OPTIONS, noImage2dOption);
pSURF_OPTIONS += strlen(noImage2dOption);
}
size_t wave_size = 0;
queryDeviceInfo(WAVEFRONT_SIZE, &wave_size);
std::sprintf(pSURF_OPTIONS, "-D WAVE_SIZE=%d", static_cast<int>(wave_size));
OPTION_INIT = true;
strcat(optBufPtr, noImage2dOption);
optBufPtr += strlen(noImage2dOption);
}
openCLExecuteKernel(clCxt, source, kernelName, globalThreads, localThreads, args, channels, depth, SURF_OPTIONS);
cl_kernel kernel;
kernel = openCLGetKernelFromSource(clCxt, source, kernelName, optBufPtr);
size_t wave_size = queryDeviceInfo<WAVEFRONT_SIZE, size_t>(kernel);
CV_Assert(clReleaseKernel(kernel) == CL_SUCCESS);
sprintf(optBufPtr, "-D WAVE_SIZE=%d", static_cast<int>(wave_size));
openCLExecuteKernel(clCxt, source, kernelName, globalThreads, localThreads, args, channels, depth, optBufPtr);
}
}
}
static inline size_t divUp(size_t total, size_t grain)
{
return (total + grain - 1) / grain;
@ -166,11 +162,11 @@ public:
{
bindImgTex(img, imgTex);
bindImgTex(surf_.sum, sumTex);
USE_IMAGE2d = true;
use_image2d = true;
}
catch (const cv::Exception& e)
{
USE_IMAGE2d = false;
use_image2d = false;
if(e.code != CL_IMAGE_FORMAT_NOT_SUPPORTED && e.code != -217)
{
throw e;

2
modules/ocl/include/opencv2/ocl/private/util.hpp
View File

@ -128,7 +128,7 @@ namespace cv
enum DEVICE_INFO
{
WAVEFRONT_SIZE,
IS_CPU_DEVICE //supports
IS_CPU_DEVICE
};
template<DEVICE_INFO _it, typename _ty>
_ty queryDeviceInfo(cl_kernel kernel = NULL);