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// Copyright (c) 2012-2017 VideoStitch SAS
// Copyright (c) 2018 stitchEm
#include "gpu/image/downsampler.hpp"
#include "gpu/2dBuffer.hpp"
#include "../kernel.hpp"
#include "../deviceBuffer2D.hpp"
namespace {
#include "downsampler.xxd"
}
INDIRECT_REGISTER_OPENCL_PROGRAM(downsampler, true);
namespace VideoStitch {
namespace Image {
Status downsampleRGBASurf2x(GPU::Surface& /*dst*/, const GPU::Surface& /*src*/, unsigned /*dstWidth*/,
unsigned /*dstHeight*/, GPU::Stream /*stream*/) {
// TODO_OPENCL_IMPL
return {Origin::GPU, ErrType::UnsupportedAction, "Downsampling RGBA surfaces not implemented"};
}
Status downsampleRGBA(int factor, GPU::Buffer2D& in, GPU::Buffer2D& out, GPU::Stream stream) {
auto kernel2D = GPU::Kernel::get(PROGRAM(downsampler), KERNEL_STR(downsampleRGBAKernel))
.setup2D(stream, (unsigned)out.getWidth(), (unsigned)out.getHeight());
return kernel2D.enqueueWithKernelArgs(out.get(), (unsigned)out.getPitch(), in.get(), (unsigned)in.getPitch(),
(unsigned)in.getWidth(), (unsigned)in.getHeight(), (unsigned)factor);
}
Status downsampleRGB(int factor, GPU::Buffer2D& in, GPU::Buffer2D& out, GPU::Stream stream) {
auto kernel2D = GPU::Kernel::get(PROGRAM(downsampler), KERNEL_STR(downsampleRGBKernel))
.setup2D(stream, (unsigned)out.getWidth(), (unsigned)out.getHeight());
return kernel2D.enqueueWithKernelArgs(out.get(), (unsigned)out.getPitch(), in.get(), (unsigned)in.getPitch(),
(unsigned)in.getWidth(), (unsigned)in.getHeight(), (unsigned)factor);
}
Status downsampleYUV422(int factor, GPU::Buffer2D& in, GPU::Buffer2D& out, GPU::Stream stream) {
auto kernel2D = GPU::Kernel::get(PROGRAM(downsampler), KERNEL_STR(downsampleYUV422Kernel))
.setup2D(stream, (unsigned)out.getWidth(), (unsigned)out.getHeight());
return kernel2D.enqueueWithKernelArgs(out.get(), (unsigned)out.getPitch(), in.get(), (unsigned)in.getPitch(),
(unsigned)in.getWidth(), (unsigned)in.getHeight(), (unsigned)factor);
}
Status downsampleYUV422P10(int factor, GPU::Buffer2D& yIn, GPU::Buffer2D& uIn, GPU::Buffer2D& vIn, GPU::Buffer2D& yOut,
GPU::Buffer2D& uOut, GPU::Buffer2D& vOut, GPU::Stream stream) {
auto kernel2D = GPU::Kernel::get(PROGRAM(downsampler), KERNEL_STR(downsampleYUV422P10Kernel))
.setup2D(stream, (unsigned)yOut.getWidth(), (unsigned)yOut.getHeight());
return kernel2D.enqueueWithKernelArgs(yOut.get(), (unsigned)yOut.getPitch(), uOut.get(), (unsigned)uOut.getPitch(),
vOut.get(), (unsigned)vOut.getPitch(), yIn.get(), (unsigned)yIn.getPitch(),
uIn.get(), (unsigned)uIn.getPitch(), vIn.get(), (unsigned)vIn.getPitch(),
(unsigned)yIn.getWidth(), (unsigned)yIn.getHeight(), (unsigned)factor);
}
Status downsampleYV12(int factor, GPU::Buffer2D& yIn, GPU::Buffer2D& uIn, GPU::Buffer2D& vIn, GPU::Buffer2D& yOut,
GPU::Buffer2D& uOut, GPU::Buffer2D& vOut, GPU::Stream stream) {
auto kernel2D = GPU::Kernel::get(PROGRAM(downsampler), KERNEL_STR(downsampleYV12Kernel))
.setup2D(stream, (unsigned)yOut.getWidth(), (unsigned)yOut.getHeight());
return kernel2D.enqueueWithKernelArgs(yOut.get(), (unsigned)yOut.getPitch(), uOut.get(), (unsigned)uOut.getPitch(),
vOut.get(), (unsigned)vOut.getPitch(), yIn.get(), (unsigned)yIn.getPitch(),
uIn.get(), (unsigned)uIn.getPitch(), vIn.get(), (unsigned)vIn.getPitch(),
(unsigned)yIn.getWidth(), (unsigned)yIn.getHeight(), (unsigned)factor);
}
Status downsampleNV12(int factor, GPU::Buffer2D& yIn, GPU::Buffer2D& uvIn, GPU::Buffer2D& yOut, GPU::Buffer2D& uvOut,
GPU::Stream stream) {
auto kernel2D = GPU::Kernel::get(PROGRAM(downsampler), KERNEL_STR(downsampleNV12Kernel))
.setup2D(stream, (unsigned)yOut.getWidth(), (unsigned)yOut.getHeight());
return kernel2D.enqueueWithKernelArgs(yOut.get(), (unsigned)yOut.getPitch(), uvOut.get(), (unsigned)uvOut.getPitch(),
yIn.get(), (unsigned)yIn.getPitch(), uvIn.get(), (unsigned)uvIn.getPitch(),
(unsigned)yIn.getWidth(), (unsigned)yIn.getHeight(), (unsigned)factor);
}
} // namespace Image
} // namespace VideoStitch