2 * (C) GraÅžvydas "notaz" Ignotas, 2010
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.
11 #include "../SDL_sysvideo.h"
12 #include "../SDL_pixels_c.h"
13 #include "../../events/SDL_events_c.h"
15 #include "linux/xenv.h"
19 static int omap_available(void)
25 static void omap_free(SDL_VideoDevice *device)
31 static int omap_VideoInit(SDL_VideoDevice *this, SDL_PixelFormat *vformat)
39 vformat->BitsPerPixel = 16;
42 omapsdl_config(this->hidden);
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;
49 else if (osdl_video_detect_screen(this->hidden) == 0) {
50 this->info.current_w = this->hidden->phys_w;
51 this->info.current_h = this->hidden->phys_h;
54 this->handles_any_size = 1;
55 this->info.hw_available = 1;
60 static void omap_VideoQuit(SDL_VideoDevice *this)
64 osdl_video_finish(this->hidden);
65 this->screen->pixels = NULL;
66 omapsdl_input_finish();
69 static SDL_Rect **omap_ListModes(SDL_VideoDevice *this, SDL_PixelFormat *format, Uint32 flags)
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? */
76 /* broken API needs this stupidity */
77 static SDL_Rect *omap_modes[] = {
84 if (format->BitsPerPixel <= 8)
85 // not (yet?) supported
91 static SDL_Surface *omap_SetVideoMode(SDL_VideoDevice *this, SDL_Surface *current, int width,
92 int height, int bpp, Uint32 flags)
94 struct SDL_PrivateVideoData *pdata = this->hidden;
95 SDL_PixelFormat *format;
96 Uint32 unhandled_flags;
99 trace("%d, %d, %d, %08x", width, height, bpp, flags);
101 omapsdl_config_from_env(pdata);
105 format = SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0);
108 format = SDL_ReallocFormat(current, 24, 0xff0000, 0xff00, 0xff, 0);
111 format = SDL_ReallocFormat(current, 32, 0xff0000, 0xff00, 0xff, 0xff000000);
114 err("SetVideoMode: bpp %d not supported", bpp);
120 if (!(flags & SDL_DOUBLEBUF) && pdata->cfg_force_doublebuf) {
121 log("forcing SDL_DOUBLEBUF");
122 flags |= SDL_DOUBLEBUF;
125 if (pdata->border_l | pdata->border_r | pdata->border_t | pdata->border_b) {
126 if (pdata->border_l + pdata->border_r >= width
127 || pdata->border_t + pdata->border_b >= height)
129 err("specified border too large, ignoring");
130 pdata->border_l = pdata->border_r = pdata->border_t = pdata->border_b = 0;
134 fbmem = osdl_video_set_mode(pdata,
135 pdata->border_l, pdata->border_r, pdata->border_t, pdata->border_b,
136 width, height, bpp, (flags & SDL_DOUBLEBUF) ? 1 : 0);
138 log("failing on mode %dx%d@%d, doublebuf %s",
139 width, height, bpp, (flags & SDL_DOUBLEBUF) ? "on" : "off");
143 flags |= SDL_FULLSCREEN | SDL_HWSURFACE;
144 unhandled_flags = flags & ~(SDL_FULLSCREEN | SDL_HWSURFACE | SDL_DOUBLEBUF);
145 if (unhandled_flags != 0) {
146 log("dropping unhandled flags: %08x", unhandled_flags);
147 flags &= ~unhandled_flags;
150 current->flags = flags;
153 current->pitch = SDL_CalculatePitch(current);
154 current->pixels = fbmem;
156 if (pdata->layer_w != 0 && pdata->layer_h != 0) {
157 int v_width = width - (pdata->border_l + pdata->border_r);
158 int v_height = height - (pdata->border_t + pdata->border_b);
159 pdata->ts_xmul = (v_width << 16) / pdata->layer_w;
160 pdata->ts_ymul = (v_height << 16) / pdata->layer_h;
166 static int omap_LockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
168 trace("%p", surface);
173 static void omap_UnlockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
175 trace("%p", surface);
178 static int omap_FlipHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
180 trace("%p", surface);
182 surface->pixels = osdl_video_flip(this->hidden);
187 /* we can't do hw surfaces (besides screen one) yet */
188 static int omap_AllocHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
190 trace("%p", surface);
194 static void omap_FreeHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
196 trace("%p", surface);
199 static int omap_SetColors(SDL_VideoDevice *this, int firstcolor, int ncolors, SDL_Color *colors)
201 trace("%d, %d, %p", firstcolor, ncolors, colors);
205 static void omap_UpdateRects(SDL_VideoDevice *this, int nrects, SDL_Rect *rects)
207 trace("%d, %p", nrects, rects);
210 if (nrects == 1 && rects->x == 0 && rects->y == 0 &&
211 (this->screen->flags & SDL_DOUBLEBUF) &&
212 rects->w == this->screen->w && rects->h == this->screen->h)
214 this->screen->pixels = osdl_video_flip(this->hidden);
218 static void omap_InitOSKeymap(SDL_VideoDevice *this)
223 static int key_event_cb(void *cb_arg, int sdl_kc, int is_pressed)
225 SDL_keysym keysym = { 0, };
228 SDL_PrivateKeyboard(is_pressed, &keysym);
231 /* clamp x to min..max-1 */
232 #define clamp(x, min, max) \
233 if (x < (min)) x = min; \
234 if (x >= (max)) x = max
236 static int ts_event_cb(void *cb_arg, int x, int y, unsigned int pressure)
238 static int was_pressed;
239 SDL_VideoDevice *this = cb_arg;
240 struct SDL_PrivateVideoData *pdata = this->hidden;
243 if (!pdata->cfg_no_ts_translate && pdata->layer_w != 0 && pdata->layer_h != 0) {
244 x = pdata->border_l + ((x - pdata->layer_x) * pdata->ts_xmul >> 16);
245 y = pdata->border_t + ((y - pdata->layer_y) * pdata->ts_ymul >> 16);
246 clamp(x, 0, this->screen->w);
247 clamp(y, 0, this->screen->h);
250 SDL_PrivateMouseMotion(0, 0, x, y);
252 pressure = !!pressure;
253 if (pressure != was_pressed) {
254 SDL_PrivateMouseButton(pressure ? SDL_PRESSED : SDL_RELEASED, 1, 0, 0);
255 was_pressed = pressure;
259 static void omap_PumpEvents(SDL_VideoDevice *this)
261 struct SDL_PrivateVideoData *pdata = this->hidden;
266 omapsdl_input_get_events(0, key_event_cb, ts_event_cb, this);
268 // XXX: we might want to process some X events too
273 static SDL_VideoDevice *omap_create(int devindex)
275 SDL_VideoDevice *this;
277 this = calloc(1, sizeof(*this) + sizeof(*this->hidden));
282 this->hidden = (void *)(this + 1);
283 this->VideoInit = omap_VideoInit;
284 this->ListModes = omap_ListModes;
285 this->SetVideoMode = omap_SetVideoMode;
286 this->LockHWSurface = omap_LockHWSurface;
287 this->UnlockHWSurface = omap_UnlockHWSurface;
288 this->FlipHWSurface = omap_FlipHWSurface;
289 this->AllocHWSurface = omap_AllocHWSurface;
290 this->FreeHWSurface = omap_FreeHWSurface;
291 this->SetColors = omap_SetColors;
292 this->UpdateRects = omap_UpdateRects;
293 this->VideoQuit = omap_VideoQuit;
294 this->InitOSKeymap = omap_InitOSKeymap;
295 this->PumpEvents = omap_PumpEvents;
296 this->free = omap_free;
301 VideoBootStrap omapdss_bootstrap = {
302 "omapdss", "OMAP DSS2 Framebuffer Driver",
303 omap_available, omap_create