forked from bartvdbraak/blender
164 lines
3.4 KiB
C++
164 lines
3.4 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __SESSION_H__
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#define __SESSION_H__
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#include "device.h"
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#include "tile.h"
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#include "util_progress.h"
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#include "util_thread.h"
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CCL_NAMESPACE_BEGIN
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class Device;
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class DeviceScene;
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class DisplayBuffer;
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class Progress;
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class RenderBuffers;
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class Scene;
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/* Session Parameters */
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class SessionParams {
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public:
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DeviceType device_type;
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bool background;
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string output_path;
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bool progressive;
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int passes;
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int tile_size;
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int min_size;
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int threads;
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double cancel_timeout;
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double reset_timeout;
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double text_timeout;
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SessionParams()
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{
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device_type = DEVICE_CPU;
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background = false;
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output_path = "";
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progressive = false;
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passes = INT_MAX;
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tile_size = 64;
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min_size = 64;
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threads = 0;
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cancel_timeout = 0.1;
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reset_timeout = 0.1;
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text_timeout = 1.0;
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}
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bool modified(const SessionParams& params)
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{ return !(device_type == params.device_type
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&& background == params.background
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&& output_path == params.output_path
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/* && passes == params.passes */
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&& progressive == params.progressive
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&& tile_size == params.tile_size
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&& min_size == params.min_size
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&& threads == params.threads
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&& cancel_timeout == params.cancel_timeout
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&& reset_timeout == params.reset_timeout
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&& text_timeout == params.text_timeout); }
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};
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/* Session
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*
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* This is the class that contains the session thread, running the render
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* control loop and dispatching tasks. */
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class Session {
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public:
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Device *device;
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Scene *scene;
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RenderBuffers *buffers;
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DisplayBuffer *display;
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Progress progress;
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SessionParams params;
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int pass;
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Session(const SessionParams& params);
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~Session();
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void start();
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bool draw(int w, int h);
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void wait();
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bool ready_to_reset();
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void reset(int w, int h, int passes);
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void set_passes(int passes);
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void set_pause(bool pause);
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protected:
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struct DelayedReset {
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thread_mutex mutex;
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bool do_reset;
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int w, h;
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int passes;
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} delayed_reset;
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void run();
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void update_scene();
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void update_status_time(bool show_pause = false, bool show_done = false);
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void tonemap();
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void path_trace(Tile& tile);
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void reset_(int w, int h, int passes);
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void run_cpu();
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bool draw_cpu(int w, int h);
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void reset_cpu(int w, int h, int passes);
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void run_gpu();
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bool draw_gpu(int w, int h);
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void reset_gpu(int w, int h, int passes);
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TileManager tile_manager;
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bool device_use_gl;
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thread *session_thread;
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volatile bool display_outdated;
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volatile bool gpu_draw_ready;
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volatile bool gpu_need_tonemap;
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thread_condition_variable gpu_need_tonemap_cond;
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bool pause;
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thread_condition_variable pause_cond;
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thread_mutex pause_mutex;
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double start_time;
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double reset_time;
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double preview_time;
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double paused_time;
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};
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CCL_NAMESPACE_END
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#endif /* __SESSION_H__ */
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