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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 | |
b9a19b44 |
8 | #include <stdio.h> |
9a8e84f8 |
9 | #include <stdlib.h> |
10 | |
11 | #include "../SDL_sysvideo.h" |
12 | #include "../SDL_pixels_c.h" |
13 | #include "../../events/SDL_events_c.h" |
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14 | |
15 | #include "linux/xenv.h" |
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16 | #include "omapsdl.h" |
17 | |
18 | |
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19 | static int omap_available(void) |
20 | { |
21 | trace(); |
22 | return 1; |
23 | } |
24 | |
25 | static void omap_free(SDL_VideoDevice *device) |
26 | { |
27 | trace(); |
28 | free(device); |
29 | } |
30 | |
31 | static int omap_VideoInit(SDL_VideoDevice *this, SDL_PixelFormat *vformat) |
32 | { |
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33 | const char *tmp; |
34 | int w, h, ret; |
35 | |
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36 | trace(); |
37 | |
38 | // default to 16bpp |
39 | vformat->BitsPerPixel = 16; |
40 | |
41 | omapsdl_input_init(); |
42 | omapsdl_config(); |
43 | |
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44 | tmp = getenv("SDL_OMAP_DEFAULT_MODE"); |
45 | if (tmp != NULL && sscanf(tmp, "%dx%d", &w, &h) == 2) { |
46 | this->info.current_w = w; |
47 | this->info.current_h = h; |
48 | } |
49 | else if (osdl_video_detect_screen(this->hidden) == 0) { |
50 | this->info.current_w = this->hidden->screen_w; |
51 | this->info.current_h = this->hidden->screen_h; |
52 | } |
53 | |
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54 | this->handles_any_size = 1; |
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55 | this->info.hw_available = 1; |
56 | |
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57 | return 0; |
58 | } |
59 | |
60 | static void omap_VideoQuit(SDL_VideoDevice *this) |
61 | { |
62 | trace(); |
63 | |
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64 | osdl_video_finish(this->hidden); |
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65 | this->screen->pixels = NULL; |
17e19802 |
66 | omapsdl_input_finish(); |
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67 | } |
68 | |
69 | static SDL_Rect **omap_ListModes(SDL_VideoDevice *this, SDL_PixelFormat *format, Uint32 flags) |
70 | { |
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71 | static SDL_Rect omap_mode_max = { |
72 | /* with handles_any_size, should accept anything up to this |
73 | * XXX: possibly set this dynamically based on free vram? */ |
74 | 0, 0, 1600, 1200 |
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75 | }; |
b9a19b44 |
76 | /* broken API needs this stupidity */ |
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77 | static SDL_Rect *omap_modes[] = { |
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78 | &omap_mode_max, |
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79 | NULL |
80 | }; |
81 | |
82 | trace(); |
83 | |
84 | if (format->BitsPerPixel <= 8) |
85 | // not (yet?) supported |
86 | return NULL; |
87 | |
88 | return omap_modes; |
89 | } |
90 | |
91 | static SDL_Surface *omap_SetVideoMode(SDL_VideoDevice *this, SDL_Surface *current, int width, |
92 | int height, int bpp, Uint32 flags) |
93 | { |
94 | trace("%d, %d, %d, %08x", width, height, bpp, flags); |
95 | |
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96 | if (osdl_video_set_mode(this->hidden, width, height, bpp) < 0) |
97 | return NULL; |
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98 | |
99 | if (!SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0)) |
100 | return NULL; |
101 | |
102 | current->flags = SDL_FULLSCREEN | SDL_DOUBLEBUF | SDL_HWSURFACE; |
103 | current->w = width; |
104 | current->h = height; |
105 | current->pitch = SDL_CalculatePitch(current); |
106 | |
f641fccb |
107 | current->pixels = osdl_video_flip(this->hidden); |
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108 | |
109 | return current; |
110 | } |
111 | |
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112 | static int omap_LockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
113 | { |
114 | trace("%p", surface); |
115 | |
116 | return 0; |
117 | } |
118 | |
119 | static void omap_UnlockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
120 | { |
121 | trace("%p", surface); |
122 | } |
123 | |
124 | static int omap_FlipHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
125 | { |
126 | trace("%p", surface); |
127 | |
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128 | surface->pixels = osdl_video_flip(this->hidden); |
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129 | |
130 | return 0; |
131 | } |
132 | |
37299201 |
133 | /* we can't do hw surfaces (besides screen one) yet */ |
134 | static int omap_AllocHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
135 | { |
136 | trace("%p", surface); |
137 | return -1; |
138 | } |
139 | |
140 | static void omap_FreeHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
141 | { |
142 | trace("%p", surface); |
143 | } |
144 | |
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145 | static int omap_SetColors(SDL_VideoDevice *this, int firstcolor, int ncolors, SDL_Color *colors) |
146 | { |
147 | trace("%d, %d, %p", firstcolor, ncolors, colors); |
148 | return 0; |
149 | } |
150 | |
151 | static void omap_UpdateRects(SDL_VideoDevice *this, int nrects, SDL_Rect *rects) |
152 | { |
153 | trace("%d, %p", nrects, rects); |
154 | |
155 | if (nrects != 1 || rects->x != 0 || rects->y != 0 || |
156 | rects->w != this->screen->w || rects->h != this->screen->h) { |
157 | static int warned = 0; |
158 | if (!warned) { |
159 | not_supported(); |
160 | warned = 1; |
161 | } |
162 | } |
163 | |
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164 | this->screen->pixels = osdl_video_flip(this->hidden); |
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165 | } |
166 | |
167 | static void omap_InitOSKeymap(SDL_VideoDevice *this) |
168 | { |
169 | trace(); |
170 | } |
171 | |
17e19802 |
172 | static int key_event_cb(void *cb_arg, int sdl_kc, int is_pressed) |
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173 | { |
174 | SDL_keysym keysym = { 0, }; |
175 | |
176 | keysym.sym = sdl_kc; |
177 | SDL_PrivateKeyboard(is_pressed, &keysym); |
178 | } |
179 | |
17e19802 |
180 | static int ts_event_cb(void *cb_arg, int x, int y, unsigned int pressure) |
181 | { |
182 | static int was_pressed; |
183 | |
184 | SDL_PrivateMouseMotion(0, 0, x, y); |
185 | |
186 | pressure = !!pressure; |
187 | if (pressure != was_pressed) { |
188 | SDL_PrivateMouseButton(pressure ? SDL_PRESSED : SDL_RELEASED, 1, 0, 0); |
189 | was_pressed = pressure; |
190 | } |
191 | } |
192 | |
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193 | static void omap_PumpEvents(SDL_VideoDevice *this) |
194 | { |
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195 | struct SDL_PrivateVideoData *pdata = this->hidden; |
196 | int dummy; |
197 | |
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198 | trace(); |
199 | |
17e19802 |
200 | omapsdl_input_get_events(0, key_event_cb, ts_event_cb, NULL); |
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201 | |
202 | // XXX: we might want to process some X events too |
203 | if (pdata->xenv_up) |
204 | xenv_update(&dummy); |
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205 | } |
206 | |
207 | static SDL_VideoDevice *omap_create(int devindex) |
208 | { |
209 | SDL_VideoDevice *this; |
210 | |
211 | this = calloc(1, sizeof(*this) + sizeof(*this->hidden)); |
212 | if (this == NULL) { |
213 | SDL_OutOfMemory(); |
214 | return 0; |
215 | } |
216 | this->hidden = (void *)(this + 1); |
217 | this->VideoInit = omap_VideoInit; |
218 | this->ListModes = omap_ListModes; |
219 | this->SetVideoMode = omap_SetVideoMode; |
220 | this->LockHWSurface = omap_LockHWSurface; |
221 | this->UnlockHWSurface = omap_UnlockHWSurface; |
222 | this->FlipHWSurface = omap_FlipHWSurface; |
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223 | this->AllocHWSurface = omap_AllocHWSurface; |
224 | this->FreeHWSurface = omap_FreeHWSurface; |
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225 | this->SetColors = omap_SetColors; |
226 | this->UpdateRects = omap_UpdateRects; |
227 | this->VideoQuit = omap_VideoQuit; |
228 | this->InitOSKeymap = omap_InitOSKeymap; |
229 | this->PumpEvents = omap_PumpEvents; |
230 | this->free = omap_free; |
231 | |
232 | return this; |
233 | } |
234 | |
235 | VideoBootStrap omapdss_bootstrap = { |
236 | "omapdss", "OMAP DSS2 Framebuffer Driver", |
237 | omap_available, omap_create |
238 | }; |
239 | |