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pyrlk also take advantages of cl_image support detection

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This commit is contained in:
yao 2013-02-27 10:45:07 +08:00
parent da47ccec9c
commit 9ec5333a9b
1 changed files with 13 additions and 14 deletions
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27
modules/ocl/src/pyrlk.cpp
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@ -574,8 +574,9 @@ static void lkSparse_run(oclMat &I, oclMat &J,
Context *clCxt = I.clCxt;
int elemCntPerRow = I.step / I.elemSize();
string kernelName = "lkSparse";
size_t localThreads[3] = { 8, 8, 1 };
size_t globalThreads[3] = { 8 * ptcount, 8, 1};
bool isImageSupported = support_image2d();
size_t localThreads[3] = { 8, isImageSupported ? 8 : 32, 1 };
size_t globalThreads[3] = { 8 * ptcount, isImageSupported ? 8 : 32, 1};
int cn = I.oclchannels();
char calcErr;
if (level == 0)
@ -588,8 +589,9 @@ static void lkSparse_run(oclMat &I, oclMat &J,
}
vector<pair<size_t , const void *> > args;
cl_mem ITex = bindTexture(I);
cl_mem JTex = bindTexture(J);
cl_mem ITex = isImageSupported ? bindTexture(I) : (cl_mem)I.data;
cl_mem JTex = isImageSupported ? bindTexture(J) : (cl_mem)J.data;
args.push_back( make_pair( sizeof(cl_mem), (void *)&ITex ));
args.push_back( make_pair( sizeof(cl_mem), (void *)&JTex ));
@ -602,6 +604,8 @@ static void lkSparse_run(oclMat &I, oclMat &J,
args.push_back( make_pair( sizeof(cl_int), (void *)&level ));
args.push_back( make_pair( sizeof(cl_int), (void *)&I.rows ));
args.push_back( make_pair( sizeof(cl_int), (void *)&I.cols ));
if (!isImageSupported)
args.push_back( make_pair( sizeof(cl_int), (void *)&elemCntPerRow ) );
args.push_back( make_pair( sizeof(cl_int), (void *)&patch.x ));
args.push_back( make_pair( sizeof(cl_int), (void *)&patch.y ));
args.push_back( make_pair( sizeof(cl_int), (void *)&cn ));
@ -610,19 +614,14 @@ static void lkSparse_run(oclMat &I, oclMat &J,
args.push_back( make_pair( sizeof(cl_int), (void *)&iters ));
args.push_back( make_pair( sizeof(cl_char), (void *)&calcErr ));
try
if(isImageSupported)
{
openCLExecuteKernel2(clCxt, &pyrlk, kernelName, globalThreads, localThreads, args, I.oclchannels(), I.depth(), CLFLUSH);
}
catch(Exception&)
{
printf("Warning: The image2d_t is not supported by the device. Using alternative method!\n");
releaseTexture(ITex);
releaseTexture(JTex);
ITex = (cl_mem)I.data;
JTex = (cl_mem)J.data;
localThreads[1] = globalThreads[1] = 32;
args.insert( args.begin()+11, make_pair( sizeof(cl_int), (void *)&elemCntPerRow ) );
}
else
{
openCLExecuteKernel2(clCxt, &pyrlk_no_image, kernelName, globalThreads, localThreads, args, I.oclchannels(), I.depth(), CLFLUSH);
}
}
@ -724,7 +723,7 @@ static void lkDense_run(oclMat &I, oclMat &J, oclMat &u, oclMat &v,
oclMat &prevU, oclMat &prevV, oclMat *err, Size winSize, int iters)
{
Context *clCxt = I.clCxt;
bool isImageSupported = clCxt->impl->devName.find("Intel(R) HD Graphics") == string::npos;
bool isImageSupported = support_image2d();
int elemCntPerRow = I.step / I.elemSize();
string kernelName = "lkDense";