//
// Copyright 2012 Francisco Jerez
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#ifndef __CORE_MEMORY_HPP__
#define __CORE_MEMORY_HPP__
#include <functional>
#include <map>
#include <memory>
#include "core/base.hpp"
#include "core/queue.hpp"
namespace clover {
typedef struct _cl_mem memory_obj;
class resource;
class sub_resource;
}
struct _cl_mem : public clover::ref_counter {
protected:
_cl_mem(clover::context &ctx, cl_mem_flags flags,
size_t size, void *host_ptr);
_cl_mem(const _cl_mem &obj) = delete;
public:
virtual ~_cl_mem();
virtual cl_mem_object_type type() const = 0;
virtual clover::resource &resource(cl_command_queue q) = 0;
void destroy_notify(std::function<void ()> f);
cl_mem_flags flags() const;
size_t size() const;
void *host_ptr() const;
clover::context &ctx;
private:
cl_mem_flags __flags;
size_t __size;
void *__host_ptr;
std::function<void ()> __destroy_notify;
protected:
std::string data;
};
namespace clover {
struct buffer : public memory_obj {
protected:
buffer(clover::context &ctx, cl_mem_flags flags,
size_t size, void *host_ptr);
public:
virtual cl_mem_object_type type() const;
};
struct root_buffer : public buffer {
public:
root_buffer(clover::context &ctx, cl_mem_flags flags,
size_t size, void *host_ptr);
virtual clover::resource &resource(cl_command_queue q);
private:
std::map<clover::device *,
std::unique_ptr<clover::root_resource>> resources;
};
struct sub_buffer : public buffer {
public:
sub_buffer(clover::root_buffer &parent, cl_mem_flags flags,
size_t offset, size_t size);
virtual clover::resource &resource(cl_command_queue q);
size_t offset() const;
clover::root_buffer &parent;
private:
size_t __offset;
std::map<clover::device *,
std::unique_ptr<clover::sub_resource>> resources;
};
struct image : public memory_obj {
protected:
image(clover::context &ctx, cl_mem_flags flags,
const cl_image_format *format,
size_t width, size_t height, size_t depth,
size_t row_pitch, size_t slice_pitch, size_t size,
void *host_ptr);
public:
virtual clover::resource &resource(cl_command_queue q);
cl_image_format format() const;
size_t width() const;
size_t height() const;
size_t depth() const;
size_t row_pitch() const;
size_t slice_pitch() const;
private:
cl_image_format __format;
size_t __width;
size_t __height;
size_t __depth;
size_t __row_pitch;
size_t __slice_pitch;
std::map<clover::device *,
std::unique_ptr<clover::root_resource>> resources;
};
struct image2d : public image {
public:
image2d(clover::context &ctx, cl_mem_flags flags,
const cl_image_format *format, size_t width,
size_t height, size_t row_pitch,
void *host_ptr);
virtual cl_mem_object_type type() const;
};
struct image3d : public image {
public:
image3d(clover::context &ctx, cl_mem_flags flags,
const cl_image_format *format,
size_t width, size_t height, size_t depth,
size_t row_pitch, size_t slice_pitch,
void *host_ptr);
virtual cl_mem_object_type type() const;
};
}
#endif