|
0
|
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 "@(#) $Id$";
|
|
|
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 WIN32
|
|
|
42 #ifndef _WIN32_WCE
|
|
|
43 #define HAVE_OPENGL
|
|
|
44 #endif
|
|
|
45 #include <windows.h>
|
|
|
46 #endif
|
|
|
47
|
|
|
48 #ifdef HAVE_OPENGL
|
|
|
49 #ifdef MACOSX
|
|
|
50 #include <OpenGL/gl.h> /* OpenGL.framework */
|
|
|
51 #else
|
|
|
52 #include <GL/gl.h>
|
|
|
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 audio 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 WIN32
|
|
|
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_FBCON
|
|
|
335 extern VideoBootStrap FBCON_bootstrap;
|
|
|
336 #endif
|
|
|
337 #ifdef ENABLE_PS2GS
|
|
|
338 extern VideoBootStrap PS2GS_bootstrap;
|
|
|
339 #endif
|
|
|
340 #ifdef ENABLE_GGI
|
|
|
341 extern VideoBootStrap GGI_bootstrap;
|
|
|
342 #endif
|
|
|
343 #ifdef ENABLE_SVGALIB
|
|
|
344 extern VideoBootStrap SVGALIB_bootstrap;
|
|
|
345 #endif
|
|
|
346 #ifdef ENABLE_AALIB
|
|
|
347 extern VideoBootStrap AALIB_bootstrap;
|
|
|
348 #endif
|
|
|
349 #ifdef ENABLE_WINDIB
|
|
|
350 extern VideoBootStrap WINDIB_bootstrap;
|
|
|
351 #endif
|
|
|
352 #ifdef ENABLE_DIRECTX
|
|
|
353 extern VideoBootStrap DIRECTX_bootstrap;
|
|
|
354 #endif
|
|
|
355 #ifdef ENABLE_BWINDOW
|
|
|
356 extern VideoBootStrap BWINDOW_bootstrap;
|
|
|
357 #endif
|
|
|
358 /* MacOS X gets the proper defines from configure */
|
|
|
359 #if defined(macintosh) && !defined(MACOSX)
|
|
|
360 #define ENABLE_TOOLBOX
|
|
|
361 #if !TARGET_API_MAC_CARBON
|
|
|
362 #define ENABLE_DRAWSPROCKET
|
|
|
363 #endif
|
|
|
364 #endif
|
|
|
365 #ifdef ENABLE_TOOLBOX
|
|
|
366 extern VideoBootStrap TOOLBOX_bootstrap;
|
|
|
367 #endif
|
|
|
368 #ifdef ENABLE_DRAWSPROCKET
|
|
|
369 extern VideoBootStrap DSp_bootstrap;
|
|
|
370 #endif
|
|
|
371 #ifdef ENABLE_CYBERGRAPHICS
|
|
|
372 extern VideoBootStrap CGX_bootstrap;
|
|
|
373 #endif
|
|
|
374
|
|
|
375 /* This is the current video device */
|
|
|
376 extern SDL_VideoDevice *current_video;
|
|
|
377
|
|
|
378 #define SDL_VideoSurface (current_video->screen)
|
|
|
379 #define SDL_ShadowSurface (current_video->shadow)
|
|
|
380 #define SDL_PublicSurface (current_video->visible)
|
|
|
381
|
|
|
382 #endif /* _SDL_sysvideo_h */
|
