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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; |
17e19802 |
59 | omapsdl_input_finish(); |
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60 | } |
61 | |
62 | static SDL_Rect **omap_ListModes(SDL_VideoDevice *this, SDL_PixelFormat *format, Uint32 flags) |
63 | { |
64 | static SDL_Rect omap_mode_list[] = { |
65 | // XXX: we are not really restricted to fixed modes |
66 | // FIXME: should really check the display for max supported |
67 | { 0, 0, 800, 480 }, |
68 | { 0, 0, 720, 480 }, |
69 | { 0, 0, 640, 480 }, |
70 | { 0, 0, 640, 400 }, |
71 | { 0, 0, 512, 384 }, |
72 | { 0, 0, 320, 240 }, |
73 | { 0, 0, 320, 200 }, |
74 | }; |
75 | // broken API needs this |
76 | static SDL_Rect *omap_modes[] = { |
77 | &omap_mode_list[0], |
78 | &omap_mode_list[1], |
79 | &omap_mode_list[2], |
80 | &omap_mode_list[3], |
81 | &omap_mode_list[4], |
82 | &omap_mode_list[5], |
83 | &omap_mode_list[6], |
84 | NULL |
85 | }; |
86 | |
87 | trace(); |
88 | |
89 | if (format->BitsPerPixel <= 8) |
90 | // not (yet?) supported |
91 | return NULL; |
92 | |
93 | return omap_modes; |
94 | } |
95 | |
96 | static SDL_Surface *omap_SetVideoMode(SDL_VideoDevice *this, SDL_Surface *current, int width, |
97 | int height, int bpp, Uint32 flags) |
98 | { |
99 | trace("%d, %d, %d, %08x", width, height, bpp, flags); |
100 | |
101 | if (this->hidden->fbdev == NULL) { |
102 | this->hidden->fbdev = vout_fbdev_init("/dev/fb0", &width, &height, 0); |
103 | if (this->hidden->fbdev == NULL) |
104 | return NULL; |
105 | |
106 | oshide_init(); |
107 | } |
108 | else { |
109 | if (vout_fbdev_resize(this->hidden->fbdev, width, height, 0, 0, 0, 0, 0) < 0) |
110 | return NULL; |
111 | } |
112 | |
113 | if (!SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0)) |
114 | return NULL; |
115 | |
116 | current->flags = SDL_FULLSCREEN | SDL_DOUBLEBUF | SDL_HWSURFACE; |
117 | current->w = width; |
118 | current->h = height; |
119 | current->pitch = SDL_CalculatePitch(current); |
120 | |
121 | current->pixels = vout_fbdev_flip(this->hidden->fbdev); |
122 | |
123 | return current; |
124 | } |
125 | |
126 | static void *flip_it(struct vout_fbdev *fbdev) |
127 | { |
128 | if (gcfg_force_vsync) |
129 | vout_fbdev_wait_vsync(fbdev); |
130 | |
131 | return vout_fbdev_flip(fbdev); |
132 | } |
133 | |
134 | static int omap_LockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
135 | { |
136 | trace("%p", surface); |
137 | |
138 | return 0; |
139 | } |
140 | |
141 | static void omap_UnlockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
142 | { |
143 | trace("%p", surface); |
144 | } |
145 | |
146 | static int omap_FlipHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
147 | { |
148 | trace("%p", surface); |
149 | |
150 | surface->pixels = flip_it(this->hidden->fbdev); |
151 | |
152 | return 0; |
153 | } |
154 | |
155 | static int omap_SetColors(SDL_VideoDevice *this, int firstcolor, int ncolors, SDL_Color *colors) |
156 | { |
157 | trace("%d, %d, %p", firstcolor, ncolors, colors); |
158 | return 0; |
159 | } |
160 | |
161 | static void omap_UpdateRects(SDL_VideoDevice *this, int nrects, SDL_Rect *rects) |
162 | { |
163 | trace("%d, %p", nrects, rects); |
164 | |
165 | if (nrects != 1 || rects->x != 0 || rects->y != 0 || |
166 | rects->w != this->screen->w || rects->h != this->screen->h) { |
167 | static int warned = 0; |
168 | if (!warned) { |
169 | not_supported(); |
170 | warned = 1; |
171 | } |
172 | } |
173 | |
174 | if (this->hidden->fbdev) |
175 | this->screen->pixels = flip_it(this->hidden->fbdev); |
176 | } |
177 | |
178 | static void omap_InitOSKeymap(SDL_VideoDevice *this) |
179 | { |
180 | trace(); |
181 | } |
182 | |
17e19802 |
183 | static int key_event_cb(void *cb_arg, int sdl_kc, int is_pressed) |
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184 | { |
185 | SDL_keysym keysym = { 0, }; |
186 | |
187 | keysym.sym = sdl_kc; |
188 | SDL_PrivateKeyboard(is_pressed, &keysym); |
189 | } |
190 | |
17e19802 |
191 | static int ts_event_cb(void *cb_arg, int x, int y, unsigned int pressure) |
192 | { |
193 | static int was_pressed; |
194 | |
195 | SDL_PrivateMouseMotion(0, 0, x, y); |
196 | |
197 | pressure = !!pressure; |
198 | if (pressure != was_pressed) { |
199 | SDL_PrivateMouseButton(pressure ? SDL_PRESSED : SDL_RELEASED, 1, 0, 0); |
200 | was_pressed = pressure; |
201 | } |
202 | } |
203 | |
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204 | static void omap_PumpEvents(SDL_VideoDevice *this) |
205 | { |
206 | trace(); |
207 | |
17e19802 |
208 | omapsdl_input_get_events(0, key_event_cb, ts_event_cb, NULL); |
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209 | } |
210 | |
211 | static SDL_VideoDevice *omap_create(int devindex) |
212 | { |
213 | SDL_VideoDevice *this; |
214 | |
215 | this = calloc(1, sizeof(*this) + sizeof(*this->hidden)); |
216 | if (this == NULL) { |
217 | SDL_OutOfMemory(); |
218 | return 0; |
219 | } |
220 | this->hidden = (void *)(this + 1); |
221 | this->VideoInit = omap_VideoInit; |
222 | this->ListModes = omap_ListModes; |
223 | this->SetVideoMode = omap_SetVideoMode; |
224 | this->LockHWSurface = omap_LockHWSurface; |
225 | this->UnlockHWSurface = omap_UnlockHWSurface; |
226 | this->FlipHWSurface = omap_FlipHWSurface; |
227 | this->SetColors = omap_SetColors; |
228 | this->UpdateRects = omap_UpdateRects; |
229 | this->VideoQuit = omap_VideoQuit; |
230 | this->InitOSKeymap = omap_InitOSKeymap; |
231 | this->PumpEvents = omap_PumpEvents; |
232 | this->free = omap_free; |
233 | |
234 | return this; |
235 | } |
236 | |
237 | VideoBootStrap omapdss_bootstrap = { |
238 | "omapdss", "OMAP DSS2 Framebuffer Driver", |
239 | omap_available, omap_create |
240 | }; |
241 | |