RetroArch/deps/switchres/custom_video.h

/**************************************************************

   custom_video.h - Custom video library header

   ---------------------------------------------------------

   Switchres   Modeline generation engine for emulation

   License     GPL-2.0+
   Copyright   2010-2021 Chris Kennedy, Antonio Giner,
                         Alexandre Wodarczyk, Gil Delescluse

 **************************************************************/

#ifndef __CUSTOM_VIDEO__
#define __CUSTOM_VIDEO__

#include <vector>
#include <cstring>
#include "modeline.h"

#define CUSTOM_VIDEO_TIMING_MASK        0x00000ff0
#define CUSTOM_VIDEO_TIMING_AUTO        0x00000000
#define CUSTOM_VIDEO_TIMING_SYSTEM      0x00000010
#define CUSTOM_VIDEO_TIMING_XRANDR      0x00000020
#define CUSTOM_VIDEO_TIMING_POWERSTRIP  0x00000040
#define CUSTOM_VIDEO_TIMING_ATI_LEGACY  0x00000080
#define CUSTOM_VIDEO_TIMING_ATI_ADL     0x00000100
#define CUSTOM_VIDEO_TIMING_DRMKMS      0x00000200

// Custom video caps
#define CUSTOM_VIDEO_CAPS_UPDATE            0x001
#define CUSTOM_VIDEO_CAPS_ADD               0x002
#define CUSTOM_VIDEO_CAPS_DESKTOP_EDITABLE  0x004
#define CUSTOM_VIDEO_CAPS_SCAN_EDITABLE     0x008

// Timing creation commands
#define TIMING_DELETE      0x001
#define TIMING_CREATE      0x002
#define TIMING_UPDATE      0x004
#define TIMING_UPDATE_LIST 0x008

typedef struct custom_video_settings
{
	bool screen_compositing;
	bool screen_reordering;
	bool allow_hardware_refresh;
	char device_reg_key[128];
	char custom_timing[256];
} custom_video_settings;

class custom_video
{
public:

	custom_video() {};
	virtual ~custom_video()
	{
		if (m_custom_video)
		{
			delete m_custom_video;
			m_custom_video = nullptr;
		}
	}

	custom_video *make(char *device_name, char *device_id, int method, custom_video_settings *vs);
	virtual const char *api_name() { return "empty"; }
	virtual bool init();
	virtual int caps() { return 0; }

	virtual bool add_mode(modeline *mode);
	virtual bool delete_mode(modeline *mode);
	virtual bool update_mode(modeline *mode);

	virtual bool get_timing(modeline *mode);
	virtual bool set_timing(modeline *mode);

	virtual bool process_modelist(std::vector<modeline *>);

	// getters
	bool screen_compositing() { return m_vs.screen_compositing; }
	bool screen_reordering() { return m_vs.screen_reordering; }
	bool allow_hardware_refresh() { return m_vs.allow_hardware_refresh; }
	const char *custom_timing() { return (const char*) &m_vs.custom_timing; }

	// setters
	void set_screen_compositing(bool value) { m_vs.screen_compositing = value; }
	void set_screen_reordering(bool value) { m_vs.screen_reordering = value; }
	void set_allow_hardware_refresh(bool value) { m_vs.allow_hardware_refresh = value; }
	void set_custom_timing(const char *custom_timing) { strncpy(m_vs.custom_timing, custom_timing, sizeof(m_vs.custom_timing)-1); }

	// options
	custom_video_settings m_vs = {};

	modeline m_user_mode = {};
	modeline m_backup_mode = {};

private:
	char m_device_name[32];
	char m_device_key[128];

	custom_video *m_custom_video = 0;
	int m_custom_method;

};

#endif