src/video/cybergfx/SDL_cgxmodes.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 21 Feb 2006 08:46:50 +0000
changeset 1402 d910939febfa
parent 1361 19418e4422cb
child 1662 782fd950bd46
child 1895 c121d94672cb
permissions -rw-r--r--
Use consistent identifiers for the various platforms we support.
Make sure every source file includes SDL_config.h, so the proper system
headers are chosen.
slouken@0
     1
/*
slouken@0
     2
    SDL - Simple DirectMedia Layer
slouken@1312
     3
    Copyright (C) 1997-2006 Sam Lantinga
slouken@0
     4
slouken@0
     5
    This library is free software; you can redistribute it and/or
slouken@1312
     6
    modify it under the terms of the GNU Lesser General Public
slouken@0
     7
    License as published by the Free Software Foundation; either
slouken@1312
     8
    version 2.1 of the License, or (at your option) any later version.
slouken@0
     9
slouken@0
    10
    This library is distributed in the hope that it will be useful,
slouken@0
    11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
slouken@0
    12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
slouken@1312
    13
    Lesser General Public License for more details.
slouken@0
    14
slouken@1312
    15
    You should have received a copy of the GNU Lesser General Public
slouken@1312
    16
    License along with this library; if not, write to the Free Software
slouken@1312
    17
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
slouken@0
    18
slouken@0
    19
    Sam Lantinga
slouken@252
    20
    slouken@libsdl.org
slouken@0
    21
*/
slouken@1402
    22
#include "SDL_config.h"
slouken@0
    23
slouken@0
    24
/* Utilities for getting and setting the X display mode */
slouken@0
    25
slouken@0
    26
#include "SDL_timer.h"
slouken@0
    27
#include "SDL_events.h"
slouken@1361
    28
#include "../../events/SDL_events_c.h"
slouken@0
    29
#include "SDL_cgxvideo.h"
slouken@0
    30
#include "SDL_cgxwm_c.h"
slouken@0
    31
#include "SDL_cgxmodes_c.h"
slouken@0
    32
slouken@0
    33
#define CGX_DEBUG
slouken@0
    34
slouken@0
    35
static void set_best_resolution(_THIS, int width, int height)
slouken@0
    36
{
slouken@0
    37
	Uint32 idok;
slouken@0
    38
	int depth=8;
slouken@0
    39
slouken@0
    40
	if(SDL_Display)
slouken@0
    41
		depth=GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH);
slouken@0
    42
slouken@0
    43
	idok=BestCModeIDTags(CYBRBIDTG_NominalWidth,width,
slouken@0
    44
				CYBRBIDTG_NominalHeight,height,
slouken@0
    45
				CYBRBIDTG_Depth,depth,
slouken@0
    46
				TAG_DONE);
slouken@0
    47
slouken@0
    48
	if(idok!=INVALID_ID)
slouken@0
    49
	{
slouken@0
    50
		if(SDL_Display)
slouken@0
    51
		{
slouken@0
    52
			if(currently_fullscreen)
slouken@0
    53
				CloseScreen(SDL_Display);
slouken@0
    54
			else
slouken@0
    55
				UnlockPubScreen(NULL,SDL_Display);
slouken@0
    56
		}
slouken@0
    57
		SDL_Display=GFX_Display=OpenScreenTags(NULL,SA_Width,width,SA_Height,height,
slouken@0
    58
											SA_Depth,depth,SA_DisplayID,idok,
slouken@255
    59
											SA_ShowTitle,FALSE,
slouken@0
    60
											TAG_DONE);
slouken@0
    61
	}
slouken@0
    62
}
slouken@0
    63
slouken@0
    64
static void get_real_resolution(_THIS, int* w, int* h)
slouken@0
    65
{
slouken@255
    66
    *w = /*SDL_Display->Width*/ SDL_Window->Width-SDL_Window->BorderLeft-SDL_Window->BorderRight;
slouken@255
    67
    *h = /*SDL_Display->Height*/ SDL_Window->Height-SDL_Window->BorderBottom-SDL_Window->BorderTop;
slouken@0
    68
}
slouken@0
    69
slouken@21
    70
static void move_cursor_to(_THIS, int x, int y)
slouken@21
    71
{
slouken@21
    72
/*    XWarpPointer(SDL_Display, None, SDL_Root, 0, 0, 0, 0, x, y); */
slouken@21
    73
slouken@21
    74
/* DA FARE! */
slouken@21
    75
}
slouken@21
    76
slouken@0
    77
static void add_visual(_THIS, int depth, int class)
slouken@0
    78
{
slouken@0
    79
	Uint32 tID;
slouken@0
    80
slouken@0
    81
	tID=BestCModeIDTags(CYBRBIDTG_Depth,depth,
slouken@0
    82
						CYBRBIDTG_NominalWidth,640,
slouken@0
    83
						CYBRBIDTG_NominalHeight,480,
slouken@0
    84
						TAG_DONE);
slouken@0
    85
slouken@0
    86
	if(tID!=INVALID_ID)
slouken@0
    87
	{
slouken@0
    88
		int n = this->hidden->nvisuals;
slouken@0
    89
slouken@0
    90
		this->hidden->visuals[n].depth = depth;
slouken@0
    91
		this->hidden->visuals[n].visual = tID;
slouken@0
    92
		this->hidden->visuals[n].bpp = GetCyberIDAttr(CYBRIDATTR_BPPIX,tID);
slouken@0
    93
		this->hidden->nvisuals++;
slouken@0
    94
	}
slouken@0
    95
}
slouken@0
    96
slouken@0
    97
#define TrueColor 1
slouken@0
    98
#define PseudoColor 2
slouken@0
    99
slouken@0
   100
int CGX_GetVideoModes(_THIS)
slouken@0
   101
{
slouken@0
   102
    int i;
slouken@0
   103
	ULONG nextid;
slouken@0
   104
	int nmodes=0;
slouken@0
   105
slouken@0
   106
	SDL_modelist=NULL;
slouken@0
   107
slouken@0
   108
	nextid=NextDisplayInfo(INVALID_ID);
slouken@0
   109
slouken@0
   110
	while(nextid!=INVALID_ID)
slouken@0
   111
	{
slouken@0
   112
		if(IsCyberModeID(nextid))
slouken@0
   113
		{
slouken@0
   114
			DisplayInfoHandle h;
slouken@0
   115
slouken@0
   116
			if(h=FindDisplayInfo(nextid))
slouken@0
   117
			{
slouken@0
   118
				struct DimensionInfo info;
slouken@0
   119
slouken@0
   120
				if(GetDisplayInfoData(h,(char *)&info,sizeof(struct DimensionInfo),DTAG_DIMS,NULL))
slouken@0
   121
				{
slouken@0
   122
					int ok=0;
slouken@0
   123
slouken@0
   124
					for(i=0;i<nmodes;i++)
slouken@0
   125
					{
slouken@0
   126
						if(	SDL_modelist[i]->w == (info.Nominal.MaxX+1) &&
slouken@0
   127
							SDL_modelist[i]->h == (info.Nominal.MaxY+1) )
slouken@0
   128
							ok=1;
slouken@0
   129
					}
slouken@0
   130
slouken@0
   131
					if(!ok)
slouken@0
   132
					{
slouken@0
   133
						nmodes++;
slouken@0
   134
slouken@1336
   135
						SDL_modelist = (SDL_Rect **)SDL_realloc(SDL_modelist,(nmodes+1)*sizeof(SDL_Rect *));
slouken@0
   136
						SDL_modelist[nmodes]=NULL;
slouken@0
   137
slouken@255
   138
						if ( SDL_modelist )
slouken@0
   139
						{
slouken@1336
   140
							SDL_modelist[nmodes-1] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
slouken@0
   141
slouken@255
   142
							if ( SDL_modelist[nmodes-1] == NULL )
slouken@0
   143
								break;
slouken@0
   144
slouken@0
   145
							SDL_modelist[nmodes-1]->x = 0;
slouken@0
   146
							SDL_modelist[nmodes-1]->y = 0;
slouken@0
   147
							SDL_modelist[nmodes-1]->w = info.Nominal.MaxX+1;
slouken@0
   148
							SDL_modelist[nmodes-1]->h = info.Nominal.MaxY+1;
slouken@0
   149
						}
slouken@255
   150
					}
slouken@0
   151
				}
slouken@0
   152
			}
slouken@0
   153
		}
slouken@0
   154
		nextid=NextDisplayInfo(nextid);
slouken@0
   155
	}
slouken@0
   156
slouken@0
   157
slouken@0
   158
	this->hidden->nvisuals = 0;
slouken@0
   159
	/* Search for the visuals in deepest-first order, so that the first
slouken@0
   160
	   will be the richest one */
slouken@0
   161
	add_visual(this, 32, TrueColor);
slouken@0
   162
	add_visual(this, 24, TrueColor);
slouken@0
   163
	add_visual(this, 16, TrueColor);
slouken@0
   164
	add_visual(this, 15, TrueColor);
slouken@0
   165
	add_visual(this, 8, PseudoColor);
slouken@0
   166
slouken@0
   167
	if(this->hidden->nvisuals == 0) {
slouken@0
   168
	    SDL_SetError("Found no sufficiently capable CGX visuals");
slouken@0
   169
		    return -1;
slouken@0
   170
	}
slouken@0
   171
slouken@0
   172
    if ( SDL_modelist == NULL ) {
slouken@1336
   173
        SDL_modelist = (SDL_Rect **)SDL_malloc((1+1)*sizeof(SDL_Rect *));
slouken@0
   174
        i = 0;
slouken@0
   175
        if ( SDL_modelist ) {
slouken@1336
   176
            SDL_modelist[i] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
slouken@0
   177
            if ( SDL_modelist[i] ) {
slouken@0
   178
                SDL_modelist[i]->x = 0;
slouken@0
   179
                SDL_modelist[i]->y = 0;
slouken@0
   180
                SDL_modelist[i]->w = SDL_Display->Width;
slouken@0
   181
                SDL_modelist[i]->h = SDL_Display->Height;
slouken@0
   182
                ++i;
slouken@0
   183
            }
slouken@0
   184
            SDL_modelist[i] = NULL;
slouken@0
   185
        }
slouken@0
   186
    }
slouken@0
   187
slouken@0
   188
    D( if ( SDL_modelist ) {
slouken@0
   189
        bug("CGX video mode list: (%ld)\n",nmodes);
slouken@0
   190
        for ( i=0; SDL_modelist[i]; ++i ) {
slouken@0
   191
            bug( "\t%ld x %ld\n",
slouken@0
   192
                SDL_modelist[i]->w, SDL_modelist[i]->h);
slouken@0
   193
        }
slouken@0
   194
    	}
slouken@0
   195
    );
slouken@0
   196
slouken@0
   197
    D(  { bug("CGX visuals list: (%ld)\n",this->hidden->nvisuals);
slouken@0
   198
slouken@0
   199
	for(i=0;i<this->hidden->nvisuals;i++)
slouken@0
   200
		bug("\t%lx - depth: %ld bpp: %ld\n",this->hidden->visuals[i].visual,this->hidden->visuals[i].depth,this->hidden->visuals[i].bpp);
slouken@0
   201
	}
slouken@0
   202
    );
slouken@0
   203
    return 0;
slouken@0
   204
}
slouken@0
   205
slouken@0
   206
int CGX_SupportedVisual(_THIS, SDL_PixelFormat *format)
slouken@0
   207
{
slouken@0
   208
    int i;
slouken@0
   209
    for(i = 0; i < this->hidden->nvisuals; i++)
slouken@0
   210
	{
slouken@0
   211
		if(this->hidden->visuals[i].depth == format->BitsPerPixel) // Era bpp
slouken@0
   212
		    return 1;
slouken@0
   213
	}
slouken@0
   214
    return 0;
slouken@0
   215
}
slouken@0
   216
slouken@0
   217
SDL_Rect **CGX_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
slouken@0
   218
{
slouken@0
   219
    if ( CGX_SupportedVisual(this, format) ) {
slouken@0
   220
        if ( flags & SDL_FULLSCREEN ) {
slouken@0
   221
            return(SDL_modelist);
slouken@0
   222
        } else {
slouken@0
   223
            return((SDL_Rect **)-1);
slouken@0
   224
        }
slouken@0
   225
    } else {
slouken@0
   226
        return((SDL_Rect **)0);
slouken@0
   227
    }
slouken@0
   228
}
slouken@0
   229
slouken@0
   230
void CGX_FreeVideoModes(_THIS)
slouken@0
   231
{
slouken@0
   232
    int i;
slouken@0
   233
slouken@0
   234
    if ( SDL_modelist ) {
slouken@0
   235
        for ( i=0; SDL_modelist[i]; ++i ) {
slouken@1336
   236
            SDL_free(SDL_modelist[i]);
slouken@0
   237
        }
slouken@1336
   238
        SDL_free(SDL_modelist);
slouken@0
   239
        SDL_modelist = NULL;
slouken@0
   240
    }
slouken@0
   241
}
slouken@0
   242
slouken@0
   243
int CGX_ResizeFullScreen(_THIS)
slouken@0
   244
{
slouken@0
   245
    int x, y;
slouken@0
   246
    int real_w, real_h;
slouken@0
   247
slouken@0
   248
    if ( currently_fullscreen ) {
slouken@0
   249
/* Per ora non faccio nulla qui */
slouken@0
   250
    }
slouken@0
   251
    return(1);
slouken@0
   252
}
slouken@0
   253
slouken@0
   254
void _QueueEnterFullScreen(_THIS)
slouken@0
   255
{
slouken@0
   256
}
slouken@0
   257
slouken@0
   258
int CGX_EnterFullScreen(_THIS)
slouken@0
   259
{
slouken@0
   260
    int okay;
slouken@255
   261
	 Uint32 saved_flags;
slouken@0
   262
slouken@0
   263
    okay = 1;
slouken@255
   264
    saved_flags = this->screen->flags;
slouken@255
   265
slouken@255
   266
    if ( ! currently_fullscreen )
slouken@0
   267
	{
slouken@0
   268
        int real_w, real_h;
slouken@0
   269
slouken@0
   270
        /* Map the fullscreen window to blank the screen */
slouken@0
   271
        get_real_resolution(this, &real_w, &real_h);
slouken@255
   272
slouken@0
   273
		CGX_DestroyWindow(this,this->screen);
slouken@0
   274
		set_best_resolution(this, real_w,real_h);
slouken@0
   275
slouken@0
   276
        currently_fullscreen = 1;
slouken@255
   277
		  this->screen->flags = saved_flags;
slouken@0
   278
slouken@255
   279
		  CGX_CreateWindow(this,this->screen,real_w,real_h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags);
slouken@0
   280
slouken@0
   281
        /* Set the new resolution */
slouken@0
   282
        okay = CGX_ResizeFullScreen(this);
slouken@0
   283
        if ( ! okay ) {
slouken@0
   284
            CGX_LeaveFullScreen(this);
slouken@0
   285
        }
slouken@0
   286
	/* Set the colormap */
slouken@0
   287
/*
slouken@0
   288
		if ( SDL_XColorMap ) {
slouken@0
   289
			XInstallColormap(SDL_Display, SDL_XColorMap);
slouken@0
   290
		}
slouken@0
   291
*/
slouken@255
   292
    }
slouken@0
   293
//    CGX_GrabInputNoLock(this, this->input_grab | SDL_GRAB_FULLSCREEN);
slouken@0
   294
    return(okay);
slouken@0
   295
}
slouken@0
   296
slouken@0
   297
int CGX_LeaveFullScreen(_THIS)
slouken@0
   298
{
slouken@0
   299
    if ( currently_fullscreen ) {
slouken@0
   300
		int width,height;
slouken@0
   301
		if ( SDL_Window ) {
slouken@0
   302
			CloseWindow(SDL_Window);
slouken@0
   303
			SDL_Window=NULL;
slouken@0
   304
		}
slouken@0
   305
		CloseScreen(SDL_Display);
slouken@0
   306
slouken@0
   307
		GFX_Display=SDL_Display=LockPubScreen(NULL);
slouken@0
   308
slouken@0
   309
	        currently_fullscreen = 0;
slouken@0
   310
slouken@0
   311
		CGX_CreateWindow(this,this->screen,this->screen->w,this->screen->h,GetCyberMapAttr(SDL_Display->RastPort.BitMap,CYBRMATTR_DEPTH),this->screen->flags);
slouken@0
   312
		CGX_ResizeImage(this,this->screen,0L);
slouken@0
   313
    }
slouken@0
   314
slouken@0
   315
    return(0);
slouken@0
   316
}