src/video/gem/SDL_gemvideo.h
author Patrice Mandin
Sat, 06 Nov 2004 08:56:23 +0000
changeset 964 d9209754ebee
parent 926 83db694556eb
child 984 44fd54a0ae5f
permissions -rw-r--r--
Prevent redraws till internal buffers are correctly setup
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2004 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#ifdef SAVE_RCSID
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static char rcsid =
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 "@(#) $Id$";
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#endif
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#ifndef _SDL_gemvideo_h
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#define _SDL_gemvideo_h
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#include "SDL_sysvideo.h"
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#include "SDL_mutex.h"
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/* Hidden "this" pointer for the video functions */
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#define _THIS	SDL_VideoDevice *this
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/* Functions prototypes */
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void GEM_wind_redraw(_THIS, int winhandle, short *inside);
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/* Private display data */
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#define B2S_C2P_1TO2		(1<<0)	/* C2P convert buffer 1 to buffer 2 */
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#define B2S_C2P_1TOS		(1<<1)	/* C2P convert buffer 1 to screen */
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#define B2S_VROCPYFM_1TOS	(1<<2)	/* vro_cpyfm() buffer 1 to screen */
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#define B2S_VROCPYFM_2TOS	(1<<3)	/* vro_cpyfm() buffer 2 to screen */
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#define SDL_NUMMODES	1		/* Fullscreen */
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struct SDL_PrivateVideoData {
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	Uint16	buf2scr_ops;		/* Operations to get buffer to screen */
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    void *buffer1;				/* Our shadow buffers */
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	void *buffer2;
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	/* VDI infos */
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	short vdi_handle;			/* VDI handle */
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	short full_w, full_h;		/* Fullscreen size */
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    short bpp;					/* Colour depth */
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	short pixelsize;			/* Bytes per pixel */
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	short old_numcolors;		/* Number of colors in saved palette */
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	Uint16 pitch;				/* Line length */
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	Uint16 format;				/* Screen format */
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	void *screen;				/* Screen address */
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	Uint32 red, green, blue, alpha;	/* Screen components */
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	Uint32 screensize;
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	short	blit_coords[8];		/* Coordinates for bitblt */
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	MFDB	src_mfdb, dst_mfdb;	/* VDI MFDB for bitblt */
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	Uint16 old_palette[256][3];	/* Saved current palette */
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	/* GEM infos */
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	short desk_x, desk_y;		/* Desktop properties */
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	short desk_w, desk_h;
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	short win_handle;			/* Our window handle */
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	int window_type;			/* Window type */
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	const char *title_name;		/* Window title */
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	const char *icon_name;		/* Icon title */
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	short version;				/* AES version */
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	short wfeatures;			/* AES window features */
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	SDL_bool refresh_name;		/* Change window title ? */
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	SDL_bool window_fulled;		/* Window maximized ? */
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	SDL_bool mouse_relative;	/* Report relative mouse movement */
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	SDL_bool locked;			/* AES locked for fullscreen ? */
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	SDL_bool lock_redraw;		/* Prevent redraw till buffers are setup */
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	short message[8];			/* To self-send an AES message */
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	SDL_bool fullscreen;		/* Fullscreen or windowed mode ? */
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	SDL_Rect *SDL_modelist[SDL_NUMMODES+1];	/* Mode list */
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	SDL_Surface *icon;			/* The icon */
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};
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/* Hidden structure -> variables names */
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#define VDI_handle			(this->hidden->vdi_handle)
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#define VDI_w				(this->hidden->full_w)
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#define VDI_h				(this->hidden->full_h)
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#define VDI_bpp				(this->hidden->bpp)
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#define VDI_pixelsize		(this->hidden->pixelsize)
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#define VDI_oldnumcolors	(this->hidden->old_numcolors)
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#define VDI_oldpalette		(this->hidden->old_palette)
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#define VDI_pitch			(this->hidden->pitch)
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#define VDI_format			(this->hidden->format)
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#define VDI_screen			(this->hidden->screen)
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#define VDI_redmask			(this->hidden->red)
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#define VDI_greenmask		(this->hidden->green)
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#define VDI_bluemask		(this->hidden->blue)
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#define VDI_alphamask		(this->hidden->alpha)
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#define VDI_screensize		(this->hidden->screensize)
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#define VDI_src_mfdb		(this->hidden->src_mfdb)
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#define VDI_dst_mfdb		(this->hidden->dst_mfdb)
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#define VDI_blit_coords		(this->hidden->blit_coords)
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#define GEM_desk_x			(this->hidden->desk_x)
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#define GEM_desk_y			(this->hidden->desk_y)
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#define GEM_desk_w			(this->hidden->desk_w)
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#define GEM_desk_h			(this->hidden->desk_h)
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#define GEM_handle			(this->hidden->win_handle)
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#define GEM_win_type		(this->hidden->window_type)
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#define GEM_title_name		(this->hidden->title_name)
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#define GEM_icon_name		(this->hidden->icon_name)
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#define GEM_refresh_name	(this->hidden->refresh_name)
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#define GEM_version			(this->hidden->version)
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#define GEM_wfeatures		(this->hidden->wfeatures)
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#define GEM_win_fulled		(this->hidden->window_fulled)
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#define GEM_mouse_relative	(this->hidden->mouse_relative)
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#define GEM_locked			(this->hidden->locked)
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#define GEM_lock_redraw		(this->hidden->lock_redraw)
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#define GEM_message			(this->hidden->message)
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#define SDL_modelist		(this->hidden->SDL_modelist)
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#define GEM_icon			(this->hidden->icon)
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#define GEM_fullscreen		(this->hidden->fullscreen)
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#define GEM_buffer1			(this->hidden->buffer1)
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#define GEM_buffer2			(this->hidden->buffer2)
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#define GEM_bufops			(this->hidden->buf2scr_ops)
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#define VDI_FBMASK(amask, rmask, gmask, bmask) \
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	VDI_alphamask = (amask); \
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	VDI_redmask = (rmask); \
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	VDI_greenmask = (gmask); \
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	VDI_bluemask = (bmask);
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/*
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	Possible buffer to screen operations:
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	TC: 8 (chunky),15,16,24,32 bpp
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	8I: 8 bpp planes
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	FB: screen framebuffer address available
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	FS: fullscreen
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	TC, FB, FS:
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		- draw to screen
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	8I, FB, FS:
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		- draw to buffer 1
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		- C2P from buffer 1 to screen
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	TC, !FB, FS:
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		- draw to buffer 1
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		- vro_cpyfm() from buffer 1 to screen
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	8I, !FB, FS:
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		- draw to buffer 1
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		- C2P from buffer 1 to buffer 2
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		- vro_cpyfm() from buffer 2 to screen
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	TC, FB, !FS:
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		- draw to buffer 1
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		- vro_cpyfm() from buffer 1 to screen
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	8I, FB, !FS:
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		- draw to buffer 1
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		- C2P from buffer 1 to buffer 2
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		- vro_cpyfm() from buffer 2 to screen
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	TC, !FB, !FS:
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		- draw to buffer 1
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		- vro_cpyfm() from buffer 1 to screen
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	8I, !FB, !FS:
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		- draw to buffer 1
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		- C2P from buffer 1 to buffer 2
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		- vro_cpyfm() from buffer 2 to screen
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*/
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#endif /* _SDL_gemvideo_h */