9a8e84f8 |
1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2010 |
3 | * |
4 | * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. |
5 | * See the COPYING file in the top-level directory. |
6 | */ |
7 | |
8 | #include <stdlib.h> |
9 | |
10 | #include "../SDL_sysvideo.h" |
11 | #include "../SDL_pixels_c.h" |
12 | #include "../../events/SDL_events_c.h" |
13 | #include "linux/fbdev.h" |
14 | #include "linux/oshide.h" |
15 | #include "omapsdl.h" |
16 | |
17 | |
18 | struct SDL_PrivateVideoData { |
19 | struct vout_fbdev *fbdev; |
20 | // void *fbmem; |
21 | }; |
22 | |
23 | static int omap_available(void) |
24 | { |
25 | trace(); |
26 | return 1; |
27 | } |
28 | |
29 | static void omap_free(SDL_VideoDevice *device) |
30 | { |
31 | trace(); |
32 | free(device); |
33 | } |
34 | |
35 | static int omap_VideoInit(SDL_VideoDevice *this, SDL_PixelFormat *vformat) |
36 | { |
37 | trace(); |
38 | |
39 | // default to 16bpp |
40 | vformat->BitsPerPixel = 16; |
41 | |
42 | omapsdl_input_init(); |
43 | omapsdl_config(); |
44 | |
45 | return 0; |
46 | } |
47 | |
48 | static void omap_VideoQuit(SDL_VideoDevice *this) |
49 | { |
50 | trace(); |
51 | |
52 | if (this->hidden->fbdev != NULL) { |
53 | vout_fbdev_finish(this->hidden->fbdev); |
54 | this->hidden->fbdev = NULL; |
55 | |
56 | oshide_finish(); |
57 | } |
58 | this->screen->pixels = NULL; |
59 | } |
60 | |
61 | static SDL_Rect **omap_ListModes(SDL_VideoDevice *this, SDL_PixelFormat *format, Uint32 flags) |
62 | { |
63 | static SDL_Rect omap_mode_list[] = { |
64 | // XXX: we are not really restricted to fixed modes |
65 | // FIXME: should really check the display for max supported |
66 | { 0, 0, 800, 480 }, |
67 | { 0, 0, 720, 480 }, |
68 | { 0, 0, 640, 480 }, |
69 | { 0, 0, 640, 400 }, |
70 | { 0, 0, 512, 384 }, |
71 | { 0, 0, 320, 240 }, |
72 | { 0, 0, 320, 200 }, |
73 | }; |
74 | // broken API needs this |
75 | static SDL_Rect *omap_modes[] = { |
76 | &omap_mode_list[0], |
77 | &omap_mode_list[1], |
78 | &omap_mode_list[2], |
79 | &omap_mode_list[3], |
80 | &omap_mode_list[4], |
81 | &omap_mode_list[5], |
82 | &omap_mode_list[6], |
83 | NULL |
84 | }; |
85 | |
86 | trace(); |
87 | |
88 | if (format->BitsPerPixel <= 8) |
89 | // not (yet?) supported |
90 | return NULL; |
91 | |
92 | return omap_modes; |
93 | } |
94 | |
95 | static SDL_Surface *omap_SetVideoMode(SDL_VideoDevice *this, SDL_Surface *current, int width, |
96 | int height, int bpp, Uint32 flags) |
97 | { |
98 | trace("%d, %d, %d, %08x", width, height, bpp, flags); |
99 | |
100 | if (this->hidden->fbdev == NULL) { |
101 | this->hidden->fbdev = vout_fbdev_init("/dev/fb0", &width, &height, 0); |
102 | if (this->hidden->fbdev == NULL) |
103 | return NULL; |
104 | |
105 | oshide_init(); |
106 | } |
107 | else { |
108 | if (vout_fbdev_resize(this->hidden->fbdev, width, height, 0, 0, 0, 0, 0) < 0) |
109 | return NULL; |
110 | } |
111 | |
112 | if (!SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0)) |
113 | return NULL; |
114 | |
115 | current->flags = SDL_FULLSCREEN | SDL_DOUBLEBUF | SDL_HWSURFACE; |
116 | current->w = width; |
117 | current->h = height; |
118 | current->pitch = SDL_CalculatePitch(current); |
119 | |
120 | current->pixels = vout_fbdev_flip(this->hidden->fbdev); |
121 | |
122 | return current; |
123 | } |
124 | |
125 | static void *flip_it(struct vout_fbdev *fbdev) |
126 | { |
127 | if (gcfg_force_vsync) |
128 | vout_fbdev_wait_vsync(fbdev); |
129 | |
130 | return vout_fbdev_flip(fbdev); |
131 | } |
132 | |
133 | static int omap_LockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
134 | { |
135 | trace("%p", surface); |
136 | |
137 | return 0; |
138 | } |
139 | |
140 | static void omap_UnlockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
141 | { |
142 | trace("%p", surface); |
143 | } |
144 | |
145 | static int omap_FlipHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
146 | { |
147 | trace("%p", surface); |
148 | |
149 | surface->pixels = flip_it(this->hidden->fbdev); |
150 | |
151 | return 0; |
152 | } |
153 | |
154 | static int omap_SetColors(SDL_VideoDevice *this, int firstcolor, int ncolors, SDL_Color *colors) |
155 | { |
156 | trace("%d, %d, %p", firstcolor, ncolors, colors); |
157 | return 0; |
158 | } |
159 | |
160 | static void omap_UpdateRects(SDL_VideoDevice *this, int nrects, SDL_Rect *rects) |
161 | { |
162 | trace("%d, %p", nrects, rects); |
163 | |
164 | if (nrects != 1 || rects->x != 0 || rects->y != 0 || |
165 | rects->w != this->screen->w || rects->h != this->screen->h) { |
166 | static int warned = 0; |
167 | if (!warned) { |
168 | not_supported(); |
169 | warned = 1; |
170 | } |
171 | } |
172 | |
173 | if (this->hidden->fbdev) |
174 | this->screen->pixels = flip_it(this->hidden->fbdev); |
175 | } |
176 | |
177 | static void omap_InitOSKeymap(SDL_VideoDevice *this) |
178 | { |
179 | trace(); |
180 | } |
181 | |
182 | static int event_cb(void *cb_arg, int sdl_kc, int is_pressed) |
183 | { |
184 | SDL_keysym keysym = { 0, }; |
185 | |
186 | keysym.sym = sdl_kc; |
187 | SDL_PrivateKeyboard(is_pressed, &keysym); |
188 | } |
189 | |
190 | static void omap_PumpEvents(SDL_VideoDevice *this) |
191 | { |
192 | trace(); |
193 | |
194 | omapsdl_input_get_events(0, event_cb, NULL); |
195 | } |
196 | |
197 | static SDL_VideoDevice *omap_create(int devindex) |
198 | { |
199 | SDL_VideoDevice *this; |
200 | |
201 | this = calloc(1, sizeof(*this) + sizeof(*this->hidden)); |
202 | if (this == NULL) { |
203 | SDL_OutOfMemory(); |
204 | return 0; |
205 | } |
206 | this->hidden = (void *)(this + 1); |
207 | this->VideoInit = omap_VideoInit; |
208 | this->ListModes = omap_ListModes; |
209 | this->SetVideoMode = omap_SetVideoMode; |
210 | this->LockHWSurface = omap_LockHWSurface; |
211 | this->UnlockHWSurface = omap_UnlockHWSurface; |
212 | this->FlipHWSurface = omap_FlipHWSurface; |
213 | this->SetColors = omap_SetColors; |
214 | this->UpdateRects = omap_UpdateRects; |
215 | this->VideoQuit = omap_VideoQuit; |
216 | this->InitOSKeymap = omap_InitOSKeymap; |
217 | this->PumpEvents = omap_PumpEvents; |
218 | this->free = omap_free; |
219 | |
220 | return this; |
221 | } |
222 | |
223 | VideoBootStrap omapdss_bootstrap = { |
224 | "omapdss", "OMAP DSS2 Framebuffer Driver", |
225 | omap_available, omap_create |
226 | }; |
227 | |