//
// 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_KERNEL_HPP__
#define __CORE_KERNEL_HPP__
#include <memory>
#include "core/base.hpp"
#include "core/program.hpp"
#include "core/memory.hpp"
#include "core/sampler.hpp"
#include "pipe/p_state.h"
namespace clover {
typedef struct _cl_kernel kernel;
class argument;
}
struct _cl_kernel : public clover::ref_counter {
private:
///
/// Class containing all the state required to execute a compute
/// kernel.
///
struct exec_context {
exec_context(clover::kernel &kern);
~exec_context();
void *bind(clover::command_queue *q);
void unbind();
clover::kernel &kern;
clover::command_queue *q;
std::vector<uint8_t> input;
std::vector<void *> samplers;
std::vector<pipe_sampler_view *> sviews;
std::vector<pipe_surface *> resources;
std::vector<pipe_resource *> g_buffers;
std::vector<size_t> g_handles;
size_t mem_local;
private:
void *st;
pipe_compute_state cs;
};
public:
class argument {
public:
argument();
/// \a true if the argument has been set.
bool set() const;
/// Storage space required for the referenced object.
virtual size_t storage() const;
/// Set this argument to some object.
virtual void set(size_t size, const void *value) = 0;
/// Allocate the necessary resources to bind the specified
/// object to this argument, and update \a ctx accordingly.
virtual void bind(exec_context &ctx,
const clover::module::argument &marg) = 0;
/// Free any resources that were allocated in bind().
virtual void unbind(exec_context &ctx) = 0;
protected:
bool __set;
};
_cl_kernel(clover::program &prog,
const std::string &name,
const std::vector<clover::module::argument> &margs);
void launch(clover::command_queue &q,
const std::vector<size_t> &grid_offset,
const std::vector<size_t> &grid_size,
const std::vector<size_t> &block_size);
size_t mem_local() const;
size_t mem_private() const;
size_t max_block_size() const;
const std::string &name() const;
std::vector<size_t> block_size() const;
clover::program &prog;
std::vector<std::unique_ptr<argument>> args;
private:
const clover::module &
module(const clover::command_queue &q) const;
class scalar_argument : public argument {
public:
scalar_argument(size_t size);
virtual void set(size_t size, const void *value);
virtual void bind(exec_context &ctx,
const clover::module::argument &marg);
virtual void unbind(exec_context &ctx);
private:
size_t size;
std::vector<uint8_t> v;
};
class global_argument : public argument {
public:
virtual void set(size_t size, const void *value);
virtual void bind(exec_context &ctx,
const clover::module::argument &marg);
virtual void unbind(exec_context &ctx);
private:
clover::buffer *obj;
};
class local_argument : public argument {
public:
virtual size_t storage() const;
virtual void set(size_t size, const void *value);
virtual void bind(exec_context &ctx,
const clover::module::argument &marg);
virtual void unbind(exec_context &ctx);
private:
size_t __storage;
};
class constant_argument : public argument {
public:
virtual void set(size_t size, const void *value);
virtual void bind(exec_context &ctx,
const clover::module::argument &marg);
virtual void unbind(exec_context &ctx);
private:
clover::buffer *obj;
pipe_surface *st;
};
class image_rd_argument : public argument {
public:
virtual void set(size_t size, const void *value);
virtual void bind(exec_context &ctx,
const clover::module::argument &marg);
virtual void unbind(exec_context &ctx);
private:
clover::image *obj;
pipe_sampler_view *st;
};
class image_wr_argument : public argument {
public:
virtual void set(size_t size, const void *value);
virtual void bind(exec_context &ctx,
const clover::module::argument &marg);
virtual void unbind(exec_context &ctx);
private:
clover::image *obj;
pipe_surface *st;
};
class sampler_argument : public argument {
public:
virtual void set(size_t size, const void *value);
virtual void bind(exec_context &ctx,
const clover::module::argument &marg);
virtual void unbind(exec_context &ctx);
private:
clover::sampler *obj;
void *st;
};
std::string __name;
exec_context exec;
};
#endif