n64-emu/third_party/parallel-rdp-standalone/parallel-rdp/command_ring.hpp
2023-08-06 14:03:29 +09:00

67 lines
1.9 KiB
C++

/* Copyright (c) 2020 Themaister
*
* 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.
*/
#pragma once
#include <thread>
#include <mutex>
#include <condition_variable>
#include <vector>
#ifdef PARALLEL_RDP_SHADER_DIR
#include "global_managers.hpp"
#endif
namespace RDP
{
class CommandProcessor;
class CommandRing
{
public:
void init(
#ifdef PARALLEL_RDP_SHADER_DIR
Granite::Global::GlobalManagersHandle global_handles,
#endif
CommandProcessor *processor, unsigned count);
~CommandRing();
void drain();
void enqueue_command(unsigned num_words, const uint32_t *words);
private:
CommandProcessor *processor = nullptr;
std::thread thr;
std::mutex lock;
std::condition_variable cond;
std::vector<uint32_t> ring;
uint64_t write_count = 0;
uint64_t read_count = 0;
uint64_t completed_count = 0;
void thread_loop();
void teardown_thread();
#ifdef PARALLEL_RDP_SHADER_DIR
Granite::Global::GlobalManagersHandle global_handles;
#endif
};
}