It allows umat buffers used in net forward interface
Signed-off-by: Li Peng <peng.li@intel.com>

remove unused macros and half definition macros,
also remove unused ocl::Queue
Signed-off-by: Li Peng <peng.li@intel.com>

getUMat()/getMat() calls are scope based. Results of these calls can't be
stored somewhere for future usage.

rename caffe.proto => opencv-caffe.proto

add a corresponding test

Signed-off-by: Wu Zhiwen <zhiwen.wu@intel.com>

Incorrect type of negative_slope result in this bug.

Also and OCL test for darknet to validate this patch.
Signed-off-by: Wu Zhiwen <zhiwen.wu@intel.com>

convolution kernel use default queue to run, so that ocl::Timer
, to measure the kernel run time, should use the default queue too.
Also remove useless parameter for convolve()
Signed-off-by: Wu Zhiwen <zhiwen.wu@intel.com>

Signed-off-by: Li Peng <peng.li@intel.com>

Add layer forward interface with InputArrayOfArrays and
OutputArrayOfArrays parameters, it allows UMat buffer to be
processed and transferred in the layers.
Signed-off-by: Li Peng <peng.li@intel.com>

Fixed Concat optimization.

Incorrect "total" buffer size calculated in StdMatAllocator::allocate() due wrong step values.

ocl4dnn supports following fusion styles:
Conv + [BN] + [Scale] + [ReLU/PReLU]
Signed-off-by: Wu Zhiwen <zhiwen.wu@intel.com>

Signed-off-by: Li Peng <peng.li@intel.com>