/******************************************************************************
/
/	File:			GraphicsCard.h
/
/	Description:	App Server interface for graphics card add-ons.
/
/	Copyright 1993-98, Be Incorporated
/
*******************************************************************************/

#ifndef _GRAPHICS_CARD_H
#define _GRAPHICS_CARD_H

#include <BeBuild.h>
#include <GraphicsDefs.h>
#include <SupportDefs.h>

/*-------------------------------------------------------------*/
/*----- Command Constants -------------------------------------*/

enum {
	B_OPEN_GRAPHICS_CARD,
	B_CLOSE_GRAPHICS_CARD,
	B_GET_GRAPHICS_CARD_INFO,
	B_GET_GRAPHICS_CARD_HOOKS,
	B_SET_INDEXED_COLOR,
	B_GET_SCREEN_SPACES,
	B_CONFIG_GRAPHICS_CARD,
	B_GET_REFRESH_RATES,
	B_SET_SCREEN_GAMMA,
	
	B_GET_INFO_FOR_CLONE_SIZE,
	B_GET_INFO_FOR_CLONE,
	B_SET_CLONED_GRAPHICS_CARD,
	B_CLOSE_CLONED_GRAPHICS_CARD,	
	B_PROPOSE_FRAME_BUFFER,
	B_SET_FRAME_BUFFER,
	B_SET_DISPLAY_AREA,
	B_MOVE_DISPLAY_AREA}
;

/*----- Optional ---------------*/

enum {
	B_CRT_CONTROL = 0x0001,
	B_GAMMA_CONTROL = 0x0002,
	B_FRAME_BUFFER_CONTROL = 0x0004,
	B_PARALLEL_BUFFER_ACCESS = 0x0008,
	B_LAME_ASS_CARD = 0x0010
};

/*-------------------------------------------------------------*/
/*----- Structures --------------------------------------------*/

typedef struct {
	int16           version;
	int16           id;
	void            *frame_buffer;
	char            rgba_order[4];
	int16           flags;
	int16			bits_per_pixel;
	int16           bytes_per_row;
	int16			width;
	int16			height;
} graphics_card_info;


typedef struct {
	int32	        index;
	rgb_color       color;
} indexed_color;


typedef struct {
	uint32           space;
	float           refresh_rate;
	uchar           h_position;
	uchar           v_position;
	uchar           h_size;
	uchar           v_size;
} graphics_card_config;


typedef struct {
	float           min;
	float           max;
	float           current;
} refresh_rate_info;


typedef struct {
	void            *screen_base;
	void            *io_base;
	uint32           vendor_id;
	uint32           device_id;
	uint32           _reserved1_;
	uint32           _reserved2_;
} graphics_card_spec;


typedef struct {
	int16           x1;
	int16           y1;
	int16           x2;
	int16           y2;
	rgb_color       color;
} rgb_color_line;


typedef struct {
	int16           x1;
	int16           y1;
	int16           x2;
	int16           y2;
	uchar           color;
} indexed_color_line;


typedef struct {
    int16           bits_per_pixel;
	int16           bytes_per_row;
	int16           width;
	int16           height;
    int16           display_width;
	int16           display_height;
	int16           display_x;
	int16           display_y;
} frame_buffer_info;


typedef struct {
	uchar           red[256];
	uchar           green[256];
	uchar           blue[256];
} screen_gamma;


/*-------------------------------------------------------------*/
/*----- Hook Function -----------------------------------------*/

typedef void (*graphics_card_hook) ();

#define B_GRAPHICS_HOOK_COUNT	48


#ifdef __cplusplus
extern "C" {
#endif

_EXPORT		int32	control_graphics_card(uint32, void*);	

#ifdef __cplusplus
}
#endif


/*-------------------------------------------------------------*/
/*----- Debugging Functions ------------------------------------*/

#ifdef __cplusplus
extern "C" {
#endif

void    dprintf(const char *format, ...);
bool    set_dprintf_enabled(bool);	/* returns old enable flag */

#ifdef __cplusplus
}
#endif


/*-------------------------------------------------------------*/
/*----- Obsolete  ---------------------------------------------*/
#define B_HOOK_COUNT  B_GRAPHICS_HOOK_COUNT


/*-------------------------------------------------------------*/
/*-------------------------------------------------------------*/

#endif /* _GRAPHICS_CARD_H */