mame/src/osd/sdl/video.h

//============================================================
//
//  video.h - SDL implementation of MAME video routines
//
//  Copyright (c) 1996-2006, Nicola Salmoria and the MAME Team.
//  Visit http://mamedev.org for licensing and usage restrictions.
//
//  SDLMAME by Olivier Galibert and R. Belmont
//
//============================================================

#ifndef __SDLVIDEO__
#define __SDLVIDEO__

//============================================================
//  CONSTANTS
//============================================================

#define MAX_VIDEO_WINDOWS			(4)

enum {
	VIDEO_MODE_SOFT	= 0,
	VIDEO_MODE_OPENGL,
	VIDEO_MODE_SDL13
};

#define VIDEO_SCALE_MODE_NONE		(0)

// texture formats
// This used to be an enum, but these are now defines so we can use them as
// preprocessor conditionals
#define SDL_TEXFORMAT_ARGB32			(0)	// non-16-bit textures or specials
#define SDL_TEXFORMAT_RGB32				(1)
#define SDL_TEXFORMAT_RGB32_PALETTED	(2)
#define SDL_TEXFORMAT_YUY16				(3)
#define SDL_TEXFORMAT_YUY16_PALETTED	(4)
#define SDL_TEXFORMAT_PALETTE16			(5)
#define SDL_TEXFORMAT_RGB15				(6)
#define SDL_TEXFORMAT_RGB15_PALETTED	(7)
#define SDL_TEXFORMAT_PALETTE16A		(8)
// special texture formats for 16bpp texture destination support, do not use
// to address the tex properties / tex functions arrays!
#define SDL_TEXFORMAT_PALETTE16_ARGB1555	(16)
#define SDL_TEXFORMAT_RGB15_ARGB1555		(17)
#define SDL_TEXFORMAT_RGB15_PALETTED_ARGB1555	(18)

#define GLSL_SHADER_MAX 10

//============================================================
//  TYPE DEFINITIONS
//============================================================

typedef struct _sdl_mode sdl_mode;
struct _sdl_mode
{
	int					width;
	int					height;
};

typedef struct _sdl_monitor_info sdl_monitor_info;
struct _sdl_monitor_info
{
	sdl_monitor_info  *	next;					// pointer to next monitor in list
#ifdef PTR64
	UINT64				handle;					// handle to the monitor
#else
	UINT32				handle;					// handle to the monitor
#endif
	int					monitor_width;
	int					monitor_height;
	char				monitor_device[64];
	float				aspect;					// computed/configured aspect ratio of the physical device
	int					center_width;			// width of first physical screen for centering
	int					center_height;			// height of first physical screen for centering
};


typedef struct _sdl_window_config sdl_window_config;
struct _sdl_window_config
{
	float				aspect;						// decoded aspect ratio
	int					width;						// decoded width
	int					height;						// decoded height
	int					depth;						// decoded depth
	int					refresh;					// decoded refresh

	int					totalColors;		 // total colors from machine
};


typedef struct _sdl_video_config sdl_video_config;
struct _sdl_video_config
{
	// performance options
	int					novideo;				// don't draw, for pure CPU benchmarking

	// global configuration
	int					windowed;				// start windowed?
	int					prescale;				// prescale factor (not currently supported)
	int					keepaspect;				// keep aspect ratio?
	int					numscreens;				// number of screens
	int					centerh;
	int					centerv;

	// hardware options
	int					mode;			// output mode
	int					waitvsync;		// spin until vsync
	int					switchres;		// switch resolutions

	int					fullstretch;

	// vector options
	float				beamwidth;		// beam width

	// OpenGL options
	int					filter;			// enable filtering, disabled if glsl_filter>0
	int					prefer16bpp_tex;
	int					glsl;
	int					glsl_filter;		// glsl filtering, >0 disables filter
	char *              glsl_shader_mamebm[GLSL_SHADER_MAX]; // custom glsl shader set, mame bitmap
	int					glsl_shader_mamebm_num; // custom glsl shader set number, mame bitmap
	char *              glsl_shader_scrn[GLSL_SHADER_MAX]; // custom glsl shader set, screen bitmap
	int					glsl_shader_scrn_num; // custom glsl shader number, screen bitmap
	int					glsl_vid_attributes;	// glsl brightness, contrast and gamma for RGB bitmaps
	int					pbo;
	int					vbo;
	int					allowtexturerect;	// allow GL_ARB_texture_rectangle, default: no
	int					forcepow2texture;	// force power of two textures, default: no

	// perftest
	int					perftest;		// print out real video fps

	// X11 options
	int					restrictonemonitor;	// in fullscreen, confine to Xinerama monitor 0

	// YUV options
	int					scale_mode;
};

//============================================================
//  GLOBAL VARIABLES
//============================================================

extern sdl_video_config video_config;

//============================================================
//  PROTOTYPES
//============================================================

int sdlvideo_init(running_machine *machine);

void sdlvideo_monitor_refresh(sdl_monitor_info *monitor);
float sdlvideo_monitor_get_aspect(sdl_monitor_info *monitor);
sdl_monitor_info *sdlvideo_monitor_from_handle(UINT32 monitor); //FIXME: Remove? not referenced

#endif