src/video/gem/SDL_gemvideo.h - third_party/sdl - Git at Google

 /*
     SDL - Simple DirectMedia Layer
     Copyright (C) 1997-2009 Sam Lantinga

     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.

     This library 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
     Lesser General Public License for more details.

     You should have received a copy of the GNU Lesser General Public
     License along with this library; if not, write to the Free Software
     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

     Sam Lantinga
     slouken@libsdl.org
 */
 #include "SDL_config.h"

 #ifndef _SDL_gemvideo_h
 #define _SDL_gemvideo_h

 #include "SDL_mutex.h"
 #include "../SDL_sysvideo.h"

 /* The implementation dependent data for the window manager cursor */
 struct WMcursor {
 	MFORM *mform_p;
 };

 /* Hidden "this" pointer for the video functions */
 #define _THIS	SDL_VideoDevice *this

 /* Functions prototypes */
 void GEM_wind_redraw(_THIS, int winhandle, short *inside);

 /* Private display data */

 #define B2S_C2P_1TO2		(1<<0)	/* C2P convert buffer 1 to buffer 2 */
 #define B2S_C2P_1TOS		(1<<1)	/* C2P convert buffer 1 to screen */
 #define B2S_VROCPYFM_1TOS	(1<<2)	/* vro_cpyfm() buffer 1 to screen */
 #define B2S_VROCPYFM_2TOS	(1<<3)	/* vro_cpyfm() buffer 2 to screen */

 #define SDL_NUMMODES	1		/* Fullscreen */

 struct SDL_PrivateVideoData {
 	Uint16	buf2scr_ops;		/* Operations to get buffer to screen */
 	void *buffer1;				/* Our shadow buffers */
 	void *buffer2;

 	/* VDI infos */
 	short vdi_handle;			/* VDI handle */
 	short full_w, full_h;		/* Fullscreen size */
 	short bpp;					/* Colour depth */
 	short pixelsize;			/* Bytes per pixel */
 	short old_numcolors;		/* Number of colors in saved palette */
 	Uint16 pitch;				/* Line length */
 	Uint16 format;				/* Screen format */
 	void *screen;				/* Screen address */
 	Uint32 red, green, blue, alpha;	/* Screen components */
 	Uint32 screensize;
 	short	blit_coords[8];		/* Coordinates for bitblt */
 	MFDB	src_mfdb, dst_mfdb;	/* VDI MFDB for bitblt */
 	Uint16 old_palette[256][3];	/* Saved current palette */
 	Uint16 cur_palette[256][3];	/* SDL application palette */
 								/* Function to set/restore palette */
 	void (*setpalette)(_THIS, Uint16 newpal[256][3]);

 	/* GEM infos */
 	short desk_x, desk_y;		/* Desktop properties */
 	short desk_w, desk_h;
 	short win_handle;			/* Our window handle */
 	int window_type;			/* Window type */
 	const char *title_name;		/* Window title */
 	const char *icon_name;		/* Icon title */
 	short version;				/* AES version */
 	short wfeatures;			/* AES window features */
 	SDL_bool refresh_name;		/* Change window title ? */
 	SDL_bool window_fulled;		/* Window maximized ? */
 	SDL_bool mouse_relative;	/* Report relative mouse movement */
 	SDL_bool locked;			/* AES locked for fullscreen ? */
 	SDL_bool lock_redraw;		/* Prevent redraw till buffers are setup */
 	short message[8];			/* To self-send an AES message */
 	void *menubar;				/* Menu bar save buffer when going fullscreen */
 	SDL_bool use_dev_mouse;		/* Use /dev/mouse ? */
 	WMcursor *cursor;			/* To restore cursor when leaving/entering window */

 	SDL_bool fullscreen;		/* Fullscreen or windowed mode ? */
 	SDL_Rect *SDL_modelist[SDL_NUMMODES+1];	/* Mode list */
 	SDL_Surface *icon;			/* The icon */
 };

 /* Hidden structure -> variables names */
 #define VDI_handle			(this->hidden->vdi_handle)
 #define VDI_w				(this->hidden->full_w)
 #define VDI_h				(this->hidden->full_h)
 #define VDI_bpp				(this->hidden->bpp)
 #define VDI_pixelsize		(this->hidden->pixelsize)
 #define VDI_oldnumcolors	(this->hidden->old_numcolors)
 #define VDI_oldpalette		(this->hidden->old_palette)
 #define VDI_curpalette		(this->hidden->cur_palette)
 #define VDI_setpalette		(this->hidden->setpalette)
 #define VDI_pitch			(this->hidden->pitch)
 #define VDI_format			(this->hidden->format)
 #define VDI_screen			(this->hidden->screen)
 #define VDI_redmask			(this->hidden->red)
 #define VDI_greenmask		(this->hidden->green)
 #define VDI_bluemask		(this->hidden->blue)
 #define VDI_alphamask		(this->hidden->alpha)
 #define VDI_screensize		(this->hidden->screensize)
 #define VDI_src_mfdb		(this->hidden->src_mfdb)
 #define VDI_dst_mfdb		(this->hidden->dst_mfdb)
 #define VDI_blit_coords		(this->hidden->blit_coords)

 #define GEM_desk_x			(this->hidden->desk_x)
 #define GEM_desk_y			(this->hidden->desk_y)
 #define GEM_desk_w			(this->hidden->desk_w)
 #define GEM_desk_h			(this->hidden->desk_h)
 #define GEM_handle			(this->hidden->win_handle)
 #define GEM_win_type		(this->hidden->window_type)
 #define GEM_title_name		(this->hidden->title_name)
 #define GEM_icon_name		(this->hidden->icon_name)
 #define GEM_refresh_name	(this->hidden->refresh_name)
 #define GEM_version			(this->hidden->version)
 #define GEM_wfeatures		(this->hidden->wfeatures)
 #define GEM_win_fulled		(this->hidden->window_fulled)
 #define GEM_mouse_relative	(this->hidden->mouse_relative)
 #define GEM_locked			(this->hidden->locked)
 #define GEM_lock_redraw		(this->hidden->lock_redraw)
 #define GEM_message			(this->hidden->message)
 #define SDL_modelist		(this->hidden->SDL_modelist)
 #define GEM_icon			(this->hidden->icon)
 #define GEM_fullscreen		(this->hidden->fullscreen)
 #define GEM_menubar			(this->hidden->menubar)
 #define GEM_usedevmouse		(this->hidden->use_dev_mouse)
 #define GEM_cursor			(this->hidden->cursor)

 #define GEM_buffer1			(this->hidden->buffer1)
 #define GEM_buffer2			(this->hidden->buffer2)
 #define GEM_bufops			(this->hidden->buf2scr_ops)

 #define VDI_FBMASK(amask, rmask, gmask, bmask) \
 	VDI_alphamask = (amask); \
 	VDI_redmask = (rmask); \
 	VDI_greenmask = (gmask); \
 	VDI_bluemask = (bmask);

 /*
 	Possible buffer to screen operations:

 	TC: 8 (chunky),15,16,24,32 bpp
 	8I: 8 bpp planes
 	FB: screen framebuffer address available
 	FS: fullscreen

 	TC, FB, FS:
 		- draw to screen
 	8I, FB, FS:
 		- draw to buffer 1
 		- C2P from buffer 1 to screen

 	TC, !FB, FS:
 		- draw to buffer 1
 		- vro_cpyfm() from buffer 1 to screen
 	8I, !FB, FS:
 		- draw to buffer 1
 		- C2P from buffer 1 to buffer 2
 		- vro_cpyfm() from buffer 2 to screen

 	TC, FB, !FS:
 		- draw to buffer 1
 		- vro_cpyfm() from buffer 1 to screen
 	8I, FB, !FS:
 		- draw to buffer 1
 		- C2P from buffer 1 to buffer 2
 		- vro_cpyfm() from buffer 2 to screen

 	TC, !FB, !FS:
 		- draw to buffer 1
 		- vro_cpyfm() from buffer 1 to screen
 	8I, !FB, !FS:
 		- draw to buffer 1
 		- C2P from buffer 1 to buffer 2
 		- vro_cpyfm() from buffer 2 to screen
 */

 #endif /* _SDL_gemvideo_h */
	/*
	SDL - Simple DirectMedia Layer
	Copyright (C) 1997-2009 Sam Lantinga

	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Lesser General Public
	License as published by the Free Software Foundation; either
	version 2.1 of the License, or (at your option) any later version.

	This library 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
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public
	License along with this library; if not, write to the Free Software
	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

	Sam Lantinga
	slouken@libsdl.org
	*/
	#include "SDL_config.h"

	#ifndef _SDL_gemvideo_h
	#define _SDL_gemvideo_h

	#include "SDL_mutex.h"
	#include "../SDL_sysvideo.h"

	/* The implementation dependent data for the window manager cursor */
	struct WMcursor {
	MFORM *mform_p;
	};

	/* Hidden "this" pointer for the video functions */
	#define _THIS SDL_VideoDevice *this

	/* Functions prototypes */
	void GEM_wind_redraw(_THIS, int winhandle, short *inside);

	/* Private display data */

	#define B2S_C2P_1TO2 (1<<0) /* C2P convert buffer 1 to buffer 2 */
	#define B2S_C2P_1TOS (1<<1) /* C2P convert buffer 1 to screen */
	#define B2S_VROCPYFM_1TOS (1<<2) /* vro_cpyfm() buffer 1 to screen */
	#define B2S_VROCPYFM_2TOS (1<<3) /* vro_cpyfm() buffer 2 to screen */

	#define SDL_NUMMODES 1 /* Fullscreen */

	struct SDL_PrivateVideoData {
	Uint16 buf2scr_ops; /* Operations to get buffer to screen */
	void buffer1; / Our shadow buffers */
	void *buffer2;

	/* VDI infos */
	short vdi_handle; /* VDI handle */
	short full_w, full_h; /* Fullscreen size */
	short bpp; /* Colour depth */
	short pixelsize; /* Bytes per pixel */
	short old_numcolors; /* Number of colors in saved palette */
	Uint16 pitch; /* Line length */
	Uint16 format; /* Screen format */
	void screen; / Screen address */
	Uint32 red, green, blue, alpha; /* Screen components */
	Uint32 screensize;
	short blit_coords[8]; /* Coordinates for bitblt */
	MFDB src_mfdb, dst_mfdb; /* VDI MFDB for bitblt */
	Uint16 old_palette[256][3]; /* Saved current palette */
	Uint16 cur_palette[256][3]; /* SDL application palette */
	/* Function to set/restore palette */
	void (*setpalette)(_THIS, Uint16 newpal[256][3]);

	/* GEM infos */
	short desk_x, desk_y; /* Desktop properties */
	short desk_w, desk_h;
	short win_handle; /* Our window handle */
	int window_type; /* Window type */
	const char title_name; / Window title */
	const char icon_name; / Icon title */
	short version; /* AES version */
	short wfeatures; /* AES window features */
	SDL_bool refresh_name; /* Change window title ? */
	SDL_bool window_fulled; /* Window maximized ? */
	SDL_bool mouse_relative; /* Report relative mouse movement */
	SDL_bool locked; /* AES locked for fullscreen ? */
	SDL_bool lock_redraw; /* Prevent redraw till buffers are setup */
	short message[8]; /* To self-send an AES message */
	void menubar; / Menu bar save buffer when going fullscreen */
	SDL_bool use_dev_mouse; /* Use /dev/mouse ? */
	WMcursor cursor; / To restore cursor when leaving/entering window */

	SDL_bool fullscreen; /* Fullscreen or windowed mode ? */
	SDL_Rect SDL_modelist[SDL_NUMMODES+1]; / Mode list */
	SDL_Surface icon; / The icon */
	};

	/* Hidden structure -> variables names */
	#define VDI_handle (this->hidden->vdi_handle)
	#define VDI_w (this->hidden->full_w)
	#define VDI_h (this->hidden->full_h)
	#define VDI_bpp (this->hidden->bpp)
	#define VDI_pixelsize (this->hidden->pixelsize)
	#define VDI_oldnumcolors (this->hidden->old_numcolors)
	#define VDI_oldpalette (this->hidden->old_palette)
	#define VDI_curpalette (this->hidden->cur_palette)
	#define VDI_setpalette (this->hidden->setpalette)
	#define VDI_pitch (this->hidden->pitch)
	#define VDI_format (this->hidden->format)
	#define VDI_screen (this->hidden->screen)
	#define VDI_redmask (this->hidden->red)
	#define VDI_greenmask (this->hidden->green)
	#define VDI_bluemask (this->hidden->blue)
	#define VDI_alphamask (this->hidden->alpha)
	#define VDI_screensize (this->hidden->screensize)
	#define VDI_src_mfdb (this->hidden->src_mfdb)
	#define VDI_dst_mfdb (this->hidden->dst_mfdb)
	#define VDI_blit_coords (this->hidden->blit_coords)

	#define GEM_desk_x (this->hidden->desk_x)
	#define GEM_desk_y (this->hidden->desk_y)
	#define GEM_desk_w (this->hidden->desk_w)
	#define GEM_desk_h (this->hidden->desk_h)
	#define GEM_handle (this->hidden->win_handle)
	#define GEM_win_type (this->hidden->window_type)
	#define GEM_title_name (this->hidden->title_name)
	#define GEM_icon_name (this->hidden->icon_name)
	#define GEM_refresh_name (this->hidden->refresh_name)
	#define GEM_version (this->hidden->version)
	#define GEM_wfeatures (this->hidden->wfeatures)
	#define GEM_win_fulled (this->hidden->window_fulled)
	#define GEM_mouse_relative (this->hidden->mouse_relative)
	#define GEM_locked (this->hidden->locked)
	#define GEM_lock_redraw (this->hidden->lock_redraw)
	#define GEM_message (this->hidden->message)
	#define SDL_modelist (this->hidden->SDL_modelist)
	#define GEM_icon (this->hidden->icon)
	#define GEM_fullscreen (this->hidden->fullscreen)
	#define GEM_menubar (this->hidden->menubar)
	#define GEM_usedevmouse (this->hidden->use_dev_mouse)
	#define GEM_cursor (this->hidden->cursor)

	#define GEM_buffer1 (this->hidden->buffer1)
	#define GEM_buffer2 (this->hidden->buffer2)
	#define GEM_bufops (this->hidden->buf2scr_ops)

	#define VDI_FBMASK(amask, rmask, gmask, bmask) \
	VDI_alphamask = (amask); \
	VDI_redmask = (rmask); \
	VDI_greenmask = (gmask); \
	VDI_bluemask = (bmask);

	/*
	Possible buffer to screen operations:

	TC: 8 (chunky),15,16,24,32 bpp
	8I: 8 bpp planes
	FB: screen framebuffer address available
	FS: fullscreen

	TC, FB, FS:
	- draw to screen
	8I, FB, FS:
	- draw to buffer 1
	- C2P from buffer 1 to screen

	TC, !FB, FS:
	- draw to buffer 1
	- vro_cpyfm() from buffer 1 to screen
	8I, !FB, FS:
	- draw to buffer 1
	- C2P from buffer 1 to buffer 2
	- vro_cpyfm() from buffer 2 to screen

	TC, FB, !FS:
	- draw to buffer 1
	- vro_cpyfm() from buffer 1 to screen
	8I, FB, !FS:
	- draw to buffer 1
	- C2P from buffer 1 to buffer 2
	- vro_cpyfm() from buffer 2 to screen

	TC, !FB, !FS:
	- draw to buffer 1
	- vro_cpyfm() from buffer 1 to screen
	8I, !FB, !FS:
	- draw to buffer 1
	- C2P from buffer 1 to buffer 2
	- vro_cpyfm() from buffer 2 to screen
	*/

	#endif /* _SDL_gemvideo_h */