Subversion Repositories Kolibri OS

Rev

Rev 8210 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
8210 maxcodehac 1
/*
2
    SDL - Simple DirectMedia Layer
3
    Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
4
 
5
    This library is free software; you can redistribute it and/or
6
    modify it under the terms of the GNU Library General Public
7
    License as published by the Free Software Foundation; either
8
    version 2 of the License, or (at your option) any later version.
9
 
10
    This library is distributed in the hope that it will be useful,
11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13
    Library General Public License for more details.
14
 
15
    You should have received a copy of the GNU Library General Public
16
    License along with this library; if not, write to the Free
17
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18
 
19
    Sam Lantinga
20
    slouken@devolution.com
21
*/
22
 
23
#ifdef SAVE_RCSID
24
static char rcsid =
25
 "@(#) $Id: SDL_sysvideo.h,v 1.6 2001/06/19 13:33:53 hercules Exp $";
26
#endif
27
 
28
#ifndef _SDL_sysvideo_h
29
#define _SDL_sysvideo_h
30
 
31
#include "SDL_mouse.h"
32
#define SDL_PROTOTYPES_ONLY
33
#include "SDL_syswm.h"
34
#undef SDL_PROTOTYPES_ONLY
35
 
36
/* This file prototypes the video driver implementation.
37
   This is designed to be easily converted to C++ in the future.
38
 */
39
 
40
/* OpenGL is pretty much available on all Windows systems */
41
#ifdef WIN32UNDEFINED
42
#ifndef _WIN32_WCE
43
#define HAVE_OPENGL
44
#endif
45
#include 
46
#endif
47
 
48
#ifdef HAVE_OPENGL
49
#ifdef MACOSX
50
#include   /* OpenGL.framework */
51
#else
52
#include 
53
#endif /* MACOSX */
54
#endif /* HAVE_OPENGL */
55
 
56
/* The SDL video driver */
57
typedef struct SDL_VideoDevice SDL_VideoDevice;
58
 
59
/* Define the SDL video driver structure */
60
#define _THIS	SDL_VideoDevice *_this
61
#ifndef _STATUS
62
#define _STATUS	SDL_status *status
63
#endif
64
struct SDL_VideoDevice {
65
	/* * * */
66
	/* The name of this video driver */
67
	const char *name;
68
 
69
	/* * * */
70
	/* Initialization/Query functions */
71
 
72
	/* Initialize the native video subsystem, filling 'vformat' with the
73
	   "best" display pixel format, returning 0 or -1 if there's an error.
74
	 */
75
	int (*VideoInit)(_THIS, SDL_PixelFormat *vformat);
76
 
77
	/* List the available video modes for the given pixel format, sorted
78
	   from largest to smallest.
79
	 */
80
	SDL_Rect **(*ListModes)(_THIS, SDL_PixelFormat *format, Uint32 flags);
81
 
82
	/* Set the requested video mode, returning a surface which will be
83
	   set to the SDL_VideoSurface.  The width and height will already
84
	   be verified by ListModes(), and the video subsystem is free to
85
	   set the mode to a supported bit depth different from the one
86
	   specified -- the desired bpp will be emulated with a shadow
87
	   surface if necessary.  If a new mode is returned, this function
88
	   should take care of cleaning up the current mode.
89
	 */
90
	SDL_Surface *(*SetVideoMode)(_THIS, SDL_Surface *current,
91
				int width, int height, int bpp, Uint32 flags);
92
 
93
	/* Toggle the fullscreen mode */
94
	int (*ToggleFullScreen)(_THIS, int on);
95
 
96
	/* This is called after the video mode has been set, to get the
97
	   initial mouse state.  It should queue events as necessary to
98
	   properly represent the current mouse focus and position.
99
	 */
100
	void (*UpdateMouse)(_THIS);
101
 
102
	/* Create a YUV video surface (possibly overlay) of the given
103
	   format.  The hardware should be able to perform at least 2x
104
	   scaling on display.
105
	 */
106
	SDL_Overlay *(*CreateYUVOverlay)(_THIS, int width, int height,
107
	                                 Uint32 format, SDL_Surface *display);
108
 
109
        /* Sets the color entries { firstcolor .. (firstcolor+ncolors-1) }
110
	   of the physical palette to those in 'colors'. If the device is
111
	   using a software palette (SDL_HWPALETTE not set), then the
112
	   changes are reflected in the logical palette of the screen
113
	   as well.
114
	   The return value is 1 if all entries could be set properly
115
	   or 0 otherwise.
116
	*/
117
	int (*SetColors)(_THIS, int firstcolor, int ncolors,
118
			 SDL_Color *colors);
119
 
120
	/* This pointer should exist in the native video subsystem and should
121
	   point to an appropriate update function for the current video mode
122
	 */
123
	void (*UpdateRects)(_THIS, int numrects, SDL_Rect *rects);
124
 
125
	/* Reverse the effects VideoInit() -- called if VideoInit() fails
126
	   or if the application is shutting down the video subsystem.
127
	*/
128
	void (*VideoQuit)(_THIS);
129
 
130
	/* * * */
131
	/* Hardware acceleration functions */
132
 
133
	/* Information about the video hardware */
134
	SDL_VideoInfo info;
135
 
136
	/* Allocates a surface in video memory */
137
	int (*AllocHWSurface)(_THIS, SDL_Surface *surface);
138
 
139
	/* Sets the hardware accelerated blit function, if any, based
140
	   on the current flags of the surface (colorkey, alpha, etc.)
141
	 */
142
	int (*CheckHWBlit)(_THIS, SDL_Surface *src, SDL_Surface *dst);
143
 
144
	/* Fills a surface rectangle with the given color */
145
	int (*FillHWRect)(_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color);
146
 
147
	/* Sets video mem colorkey and accelerated blit function */
148
	int (*SetHWColorKey)(_THIS, SDL_Surface *surface, Uint32 key);
149
 
150
	/* Sets per surface hardware alpha value */
151
	int (*SetHWAlpha)(_THIS, SDL_Surface *surface, Uint8 value);
152
 
153
	/* Returns a readable/writable surface */
154
	int (*LockHWSurface)(_THIS, SDL_Surface *surface);
155
	void (*UnlockHWSurface)(_THIS, SDL_Surface *surface);
156
 
157
	/* Performs hardware flipping */
158
	int (*FlipHWSurface)(_THIS, SDL_Surface *surface);
159
 
160
	/* Frees a previously allocated video surface */
161
	void (*FreeHWSurface)(_THIS, SDL_Surface *surface);
162
 
163
	/* * * */
164
	/* Gamma support */
165
 
166
	Uint16 *gamma;
167
 
168
	/* Set the gamma correction directly (emulated with gamma ramps) */
169
	int (*SetGamma)(_THIS, float red, float green, float blue);
170
 
171
	/* Get the gamma correction directly (emulated with gamma ramps) */
172
	int (*GetGamma)(_THIS, float *red, float *green, float *blue);
173
 
174
	/* Set the gamma ramp */
175
	int (*SetGammaRamp)(_THIS, Uint16 *ramp);
176
 
177
	/* Get the gamma ramp */
178
	int (*GetGammaRamp)(_THIS, Uint16 *ramp);
179
 
180
	/* * * */
181
	/* OpenGL support */
182
 
183
	/* Sets the dll to use for OpenGL and loads it */
184
	int (*GL_LoadLibrary)(_THIS, const char *path);
185
 
186
	/* Retrieves the address of a function in the gl library */
187
	void* (*GL_GetProcAddress)(_THIS, const char *proc);
188
 
189
        /* Get attribute information from the windowing system. */
190
        int (*GL_GetAttribute)(_THIS, SDL_GLattr attrib, int* value);
191
 
192
        /* Make the context associated with this driver current */
193
        int (*GL_MakeCurrent)(_THIS);
194
 
195
	/* Swap the current buffers in double buffer mode. */
196
	void (*GL_SwapBuffers)(_THIS);
197
 
198
  	/* OpenGL functions for SDL_OPENGLBLIT */
199
#ifdef HAVE_OPENGL
200
#ifndef WIN32UNDEFINED
201
#define WINAPI
202
#endif
203
#define SDL_PROC(ret,func,params) ret (WINAPI *func) params;
204
#include "SDL_glfuncs.h"
205
#undef SDL_PROC
206
 
207
	/* Texture id */
208
	GLuint texture;
209
#endif
210
	int is_32bit;
211
 
212
	/* * * */
213
	/* Window manager functions */
214
 
215
	/* Set the title and icon text */
216
	void (*SetCaption)(_THIS, const char *title, const char *icon);
217
 
218
	/* Set the window icon image */
219
	void (*SetIcon)(_THIS, SDL_Surface *icon, Uint8 *mask);
220
 
221
	/* Iconify the window.
222
	   This function returns 1 if there is a window manager and the
223
	   window was actually iconified, it returns 0 otherwise.
224
	*/
225
	int (*IconifyWindow)(_THIS);
226
 
227
	/* Grab or ungrab keyboard and mouse input */
228
	SDL_GrabMode (*GrabInput)(_THIS, SDL_GrabMode mode);
229
 
230
	/* Get some platform dependent window information */
231
	int (*GetWMInfo)(_THIS, SDL_SysWMinfo *info);
232
 
233
	/* * * */
234
	/* Cursor manager functions */
235
 
236
	/* Free a window manager cursor
237
	   This function can be NULL if CreateWMCursor is also NULL.
238
	 */
239
	void (*FreeWMCursor)(_THIS, WMcursor *cursor);
240
 
241
	/* If not NULL, create a black/white window manager cursor */
242
	WMcursor *(*CreateWMCursor)(_THIS,
243
		Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y);
244
 
245
	/* Show the specified cursor, or hide if cursor is NULL */
246
	int (*ShowWMCursor)(_THIS, WMcursor *cursor);
247
 
248
	/* Warp the window manager cursor to (x,y)
249
	   If NULL, a mouse motion event is posted internally.
250
	 */
251
	void (*WarpWMCursor)(_THIS, Uint16 x, Uint16 y);
252
 
253
	/* If not NULL, this is called when a mouse motion event occurs */
254
	void (*MoveWMCursor)(_THIS, int x, int y);
255
 
256
	/* Determine whether the mouse should be in relative mode or not.
257
	   This function is called when the input grab state or cursor
258
	   visibility state changes.
259
	   If the cursor is not visible, and the input is grabbed, the
260
	   driver can place the mouse in relative mode, which may result
261
	   in higher accuracy sampling of the pointer motion.
262
	*/
263
	void (*CheckMouseMode)(_THIS);
264
 
265
	/* * * */
266
	/* Event manager functions */
267
 
268
	/* Initialize keyboard mapping for this driver */
269
	void (*InitOSKeymap)(_THIS);
270
 
271
	/* Handle any queued OS events */
272
	void (*PumpEvents)(_THIS);
273
 
274
	/* * * */
275
	/* Data common to all drivers */
276
	SDL_Surface *screen;
277
	SDL_Surface *shadow;
278
	SDL_Surface *visible;
279
        SDL_Palette *physpal;	/* physical palette, if != logical palette */
280
        SDL_Color *gammacols;	/* gamma-corrected colours, or NULL */
281
	char *wm_title;
282
	char *wm_icon;
283
	int offset_x;
284
	int offset_y;
285
	SDL_GrabMode input_grab;
286
 
287
	/* Driver information flags */
288
	int handles_any_size;	/* Driver handles any size video mode */
289
 
290
	/* * * */
291
	/* Data used by the GL drivers */
292
	struct {
293
		int red_size;
294
		int green_size;
295
		int blue_size;
296
		int alpha_size;
297
		int depth_size;
298
	        int buffer_size;
299
		int stencil_size;
300
		int double_buffer;
301
                int accum_red_size;
302
                int accum_green_size;
303
                int accum_blue_size;
304
                int accum_alpha_size;
305
		int driver_loaded;
306
		char driver_path[256];
307
		void* dll_handle;
308
	} gl_config;
309
 
310
	/* * * */
311
	/* Data private to this driver */
312
	struct SDL_PrivateVideoData *hidden;
313
	struct SDL_PrivateGLData *gl_data;
314
 
315
	/* * * */
316
	/* The function used to dispose of this structure */
317
	void (*free)(_THIS);
318
};
319
#undef _THIS
320
 
321
typedef struct VideoBootStrap {
322
	const char *name;
323
	const char *desc;
324
	int (*available)(void);
325
	SDL_VideoDevice *(*create)(int devindex);
326
} VideoBootStrap;
327
 
328
#ifdef ENABLE_X11
329
extern VideoBootStrap X11_bootstrap;
330
#endif
331
#ifdef ENABLE_DGA
332
extern VideoBootStrap DGA_bootstrap;
333
#endif
334
#ifdef ENABLE_NANOX
335
extern VideoBootStrap NX_bootstrap;
336
#endif
337
#ifdef ENABLE_FBCON
338
extern VideoBootStrap FBCON_bootstrap;
339
#endif
340
#ifdef ENABLE_PS2GS
341
extern VideoBootStrap PS2GS_bootstrap;
342
#endif
343
#ifdef ENABLE_GGI
344
extern VideoBootStrap GGI_bootstrap;
345
#endif
346
#ifdef ENABLE_VGL
347
extern VideoBootStrap VGL_bootstrap;
348
#endif
349
#ifdef ENABLE_SVGALIB
350
extern VideoBootStrap SVGALIB_bootstrap;
351
#endif
352
#ifdef ENABLE_AALIB
353
extern VideoBootStrap AALIB_bootstrap;
354
#endif
355
#ifdef ENABLE_WINDIB
356
extern VideoBootStrap WINDIB_bootstrap;
357
#endif
358
#ifdef ENABLE_DIRECTX
359
extern VideoBootStrap DIRECTX_bootstrap;
360
#endif
361
#ifdef ENABLE_BWINDOW
362
extern VideoBootStrap BWINDOW_bootstrap;
363
#endif
364
#ifdef ENABLE_DUMMYVIDEO
365
extern VideoBootStrap DUMMY_bootstrap;
366
#endif
367
#ifdef ENABLE_PHOTON
368
extern VideoBootStrap ph_bootstrap;
369
#endif
370
/* MacOS X gets the proper defines from configure */
371
#if defined(macintosh) && !defined(MACOSX)
372
#define ENABLE_TOOLBOX
373
#if !TARGET_API_MAC_CARBON
374
#define ENABLE_DRAWSPROCKET
375
#endif
376
#endif
377
#ifdef ENABLE_TOOLBOX
378
extern VideoBootStrap TOOLBOX_bootstrap;
379
#endif
380
#ifdef ENABLE_DRAWSPROCKET
381
extern VideoBootStrap DSp_bootstrap;
382
#endif
383
#ifdef ENABLE_QUARTZ
384
extern VideoBootStrap QZ_bootstrap;
385
#endif
386
#ifdef ENABLE_CYBERGRAPHICS
387
extern VideoBootStrap CGX_bootstrap;
388
#endif
8218 maxcodehac 389
#ifdef ENABLE_KOLIBRIOS
8210 maxcodehac 390
extern VideoBootStrap mosvideo_bootstrab;
391
#endif
392
/* This is the current video device */
393
extern SDL_VideoDevice *current_video;
394
 
395
#define SDL_VideoSurface	(current_video->screen)
396
#define SDL_ShadowSurface	(current_video->shadow)
397
#define SDL_PublicSurface	(current_video->visible)
398
 
399
#endif /* _SDL_sysvideo_h */