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#ifndef MODULES_CUDA_CUDA_BITMAP_SIMPLE_MODIFIER_H
#define MODULES_CUDA_CUDA_BITMAP_SIMPLE_MODIFIER_H
// K-3D
// Copyright (c) 1995-2008, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include <k3dsdk/bitmap_modifier.h>
#include <k3dsdk/ipipeline_profiler.h>
#include <k3dsdk/node.h>
// include the entry points as external definitions
#include "cuda_entry_points.h"
namespace module
{
namespace cuda
{
class cuda_bitmap_simple_modifier :
public k3d::node,
public k3d::bitmap_modifier<cuda_bitmap_simple_modifier>
{
typedef k3d::node base;
public:
cuda_bitmap_simple_modifier(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document)
{
}
protected:
void start_profile_step()
{
document().pipeline_profiler().start_execution(*this, "");
}
void stop_profile_step(const std::string& Task)
{
document().pipeline_profiler().finish_execution(*this, Task);
}
void bitmap_arithmetic(const k3d::bitmap& Input, k3d::bitmap& Output, const k3d::int32_t bitmapOperation, float value)
{
const unsigned short* inputPixels = reinterpret_cast<const unsigned short*>(&(const_view(Input)[0]));
unsigned short* outputPixels = reinterpret_cast<unsigned short*>(&(view(Output)[0]));
k3d::int32_t sizeInBytes = Input.width()*Input.height()*8;
start_profile_step();
// allocate device storage for the image at 8 bits per pixel
unsigned short *p_device_image;
allocate_device_memory((void**)&p_device_image, sizeInBytes);
// copy the data to the device
copy_from_host_to_device(p_device_image, inputPixels, sizeInBytes);
stop_profile_step(PROFILE_STRING_HOST_TO_DEVICE);
// perform the calculation
start_profile_step();
bitmap_arithmetic_kernel_entry(bitmapOperation, p_device_image, Input.width(), Input.height(), value);
stop_profile_step(PROFILE_STRING_EXECUTE_KERNEL);
// copy the data from the device
start_profile_step();
copy_from_device_to_host(outputPixels, p_device_image, sizeInBytes);
stop_profile_step(PROFILE_STRING_DEVICE_TO_HOST);
// free the memory allocated on the device
free_device_memory(p_device_image);
}
private:
virtual void on_resize_bitmap(const k3d::bitmap& Input, k3d::bitmap& Output)
{
Output.recreate(Input.width(), Input.height());
}
};
} // namespace cuda
} // namespace module
#endif // !MODULES_CUDA_CUDA_BITMAP_SIMPLE_MODIFIER_H
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