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Pass warp size into SURF

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This commit is contained in:
peng xiao
2013-03-26 15:48:15 +08:00
parent 0c19a07bf4
commit 9698079ca5
3 changed files with 32 additions and 10 deletions
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modules/nonfree/src/surf.ocl.cpp
+30 -8
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@@ -57,19 +57,29 @@ namespace cv
///////////////////////////OpenCL kernel strings///////////////////////////
extern const char *surf;
const char* noImage2dOption = "-D DISABLE_IMAGE2D";
const char noImage2dOption [] = "-D DISABLE_IMAGE2D";
static char SURF_OPTIONS [1024] = "";
static bool USE_IMAGE2d = false;
static void openCLExecuteKernelSURF(Context *clCxt , const char **source, string kernelName, size_t globalThreads[3],
size_t localThreads[3], vector< pair<size_t, const void *> > &args, int channels, int depth)
{
if(support_image2d())
char * pSURF_OPTIONS = SURF_OPTIONS;
static bool OPTION_INIT = false;
if(!OPTION_INIT)
{
openCLExecuteKernel(clCxt, source, kernelName, globalThreads, localThreads, args, channels, depth);
}
else
if( !USE_IMAGE2d )
{
openCLExecuteKernel(clCxt, source, kernelName, globalThreads, localThreads, args, channels, depth, noImage2dOption);
strcat(pSURF_OPTIONS, noImage2dOption);
pSURF_OPTIONS += strlen(noImage2dOption);
}
size_t wave_size = 0;
queryDeviceInfo(DEVICE_INFO::WAVEFRONT_SIZE, &wave_size);
sprintf(pSURF_OPTIONS, " -D WAVE_SIZE=%d", static_cast<int>(wave_size));
OPTION_INIT = true;
}
openCLExecuteKernel(clCxt, source, kernelName, globalThreads, localThreads, args, channels, depth, SURF_OPTIONS);
}
}
}
@@ -152,8 +162,20 @@ public:
integral(img, surf_.sum);
if(support_image2d())
{
bindImgTex(img, imgTex);
bindImgTex(surf_.sum, sumTex);
try
{
bindImgTex(img, imgTex);
bindImgTex(surf_.sum, sumTex);
USE_IMAGE2d = true;
}
catch (const cv::Exception& e)
{
USE_IMAGE2d = false;
if(e.code != CL_IMAGE_FORMAT_NOT_SUPPORTED && e.code != -217)
{
throw e;
}
}
}
maskSumTex = 0;