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/*
* Copyright 2011, Blender Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __SESSION_H__
#define __SESSION_H__
#include "device.h"
#include "tile.h"
#include "util_progress.h"
#include "util_thread.h"
CCL_NAMESPACE_BEGIN
class Device;
class DeviceScene;
class DisplayBuffer;
class Progress;
class RenderBuffers;
class Scene;
/* Session Parameters */
class SessionParams {
public:
DeviceType device_type;
bool background;
string output_path;
bool progressive;
int passes;
int tile_size;
int min_size;
double cancel_timeout;
double reset_timeout;
double text_timeout;
SessionParams()
{
device_type = DEVICE_CPU;
background = false;
output_path = "";
progressive = false;
passes = INT_MAX;
tile_size = 64;
min_size = 64;
cancel_timeout = 0.1;
reset_timeout = 0.1;
text_timeout = 1.0;
}
bool modified(const SessionParams& params)
{ return !(device_type == params.device_type
&& background == params.background
&& output_path == params.output_path
/* && passes == params.passes */
&& progressive == params.progressive
&& tile_size == params.tile_size
&& min_size == params.min_size
&& cancel_timeout == params.cancel_timeout
&& reset_timeout == params.reset_timeout
&& text_timeout == params.text_timeout); }
};
/* Session
*
* This is the class that contains the session thread, running the render
* control loop and dispatching tasks. */
class Session {
public:
Device *device;
Scene *scene;
RenderBuffers *buffers;
DisplayBuffer *display;
Progress progress;
SessionParams params;
int pass;
Session(const SessionParams& params);
~Session();
void start();
bool draw(int w, int h);
void wait();
bool ready_to_reset();
void reset(int w, int h);
protected:
struct DelayedReset {
thread_mutex mutex;
bool do_reset;
int w, h;
} delayed_reset;
void run();
void update_scene();
void update_status_time();
void tonemap();
void path_trace(Tile& tile);
void reset_(int w, int h);
void run_cpu();
bool draw_cpu(int w, int h);
void reset_cpu(int w, int h);
void run_gpu();
bool draw_gpu(int w, int h);
void reset_gpu(int w, int h);
TileManager tile_manager;
bool device_use_gl;
thread *session_thread;
volatile bool display_outdated;
volatile bool gpu_draw_ready;
volatile bool gpu_need_tonemap;
thread_condition_variable gpu_need_tonemap_cond;
double start_time;
double reset_time;
double preview_time;
};
CCL_NAMESPACE_END
#endif /* __SESSION_H__ */
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