e14743d1 |
1 | /* |
2 | * SDL - Simple DirectMedia Layer |
3 | * CELL BE Support for PS3 Framebuffer |
4 | * Copyright (C) 2008, 2009 International Business Machines Corporation |
5 | * |
6 | * This library is free software; you can redistribute it and/or modify it |
7 | * under the terms of the GNU Lesser General Public License as published |
8 | * by the Free Software Foundation; either version 2.1 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * This library is distributed in the hope that it will be useful, but |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General Public |
17 | * License along with this library; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 |
19 | * USA |
20 | * |
21 | * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com> |
22 | * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com> |
23 | * SPE code based on research by: |
24 | * Rene Becker |
25 | * Thimo Emmerich |
26 | */ |
27 | |
28 | #include "SDL_config.h" |
29 | |
30 | #include "SDL_video.h" |
31 | #include "SDL_ps3video.h" |
32 | #include "SDL_ps3yuv_c.h" |
33 | #include "../SDL_yuvfuncs.h" |
34 | #include "spulibs/spu_common.h" |
35 | |
36 | /* Stores the executable name */ |
37 | extern spe_program_handle_t yuv2rgb_spu; |
38 | extern spe_program_handle_t bilin_scaler_spu; |
39 | |
40 | int SPE_Start(_THIS, spu_data_t * spe_data); |
41 | int SPE_Stop(_THIS, spu_data_t * spe_data); |
42 | int SPE_Boot(_THIS, spu_data_t * spe_data); |
43 | int SPE_Shutdown(_THIS, spu_data_t * spe_data); |
44 | int SPE_SendMsg(_THIS, spu_data_t * spe_data, unsigned int msg); |
45 | int SPE_WaitForMsg(_THIS, spu_data_t * spe_data, unsigned int msg); |
46 | void SPE_RunContext(void *thread_argp); |
47 | |
48 | |
49 | /* The functions used to manipulate software video overlays */ |
50 | static struct private_yuvhwfuncs ps3_yuvfuncs = { |
51 | PS3_LockYUVOverlay, |
52 | PS3_UnlockYUVOverlay, |
53 | PS3_DisplayYUVOverlay, |
54 | PS3_FreeYUVOverlay |
55 | }; |
56 | |
57 | |
58 | struct private_yuvhwdata { |
59 | SDL_Surface *display; |
60 | SDL_Surface *stretch; |
61 | volatile void * pixels __attribute__((aligned(128))); |
62 | |
63 | /* These are just so we don't have to allocate them separately */ |
64 | Uint16 pitches[3]; |
65 | Uint8 * planes[3]; |
66 | |
67 | unsigned int scale; |
68 | |
69 | /* Scaled YUV picture */ |
70 | Uint8 * scaler_out __attribute__((aligned(128))); |
71 | |
72 | /* YUV2RGB converter data */ |
73 | volatile struct yuv2rgb_parms_t * converter_parms __attribute__((aligned(128))); |
74 | |
75 | /* Scaler data */ |
76 | volatile struct scale_parms_t * scaler_parms __attribute__((aligned(128))); |
77 | |
78 | Uint8 locked; |
79 | }; |
80 | |
81 | |
82 | SDL_Overlay *PS3_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display) { |
83 | /* Only RGB packed pixel conversion supported */ |
84 | if ((display->format->BytesPerPixel != 2) && |
85 | (display->format->BytesPerPixel != 3) && |
86 | (display->format->BytesPerPixel != 4)) |
87 | { |
88 | SDL_SetError ("Can't use YUV data on non 16/24/32 bit surfaces"); |
89 | return NULL; |
90 | } |
91 | |
92 | /* Double-check the requested format. We'll only support YV12 */ |
93 | switch (format) { |
94 | case SDL_IYUV_OVERLAY: |
95 | case SDL_YV12_OVERLAY: |
96 | /* Supported YUV format */ |
97 | break; |
98 | default: |
99 | SDL_SetError("Unsupported YUV format"); |
100 | return NULL; |
101 | } |
102 | |
103 | SDL_Overlay* overlay; |
104 | struct private_yuvhwdata* hwdata; |
105 | |
106 | /* Create the overlay structure */ |
107 | overlay = (SDL_Overlay *) SDL_calloc(1, sizeof(SDL_Overlay)); |
108 | if (overlay == NULL) { |
109 | SDL_OutOfMemory(); |
110 | return NULL; |
111 | } |
112 | SDL_memset(overlay, 0, (sizeof *overlay)); |
113 | |
114 | /* Set the basic attributes */ |
115 | overlay->format = format; |
116 | overlay->w = width; |
117 | overlay->h = height; |
118 | overlay->hwdata = NULL; |
119 | |
120 | /* Set up the PS3 YUV surface function structure */ |
121 | overlay->hwfuncs = &ps3_yuvfuncs; |
122 | |
123 | /* Create the pixel data and lookup tables */ |
124 | hwdata = (struct private_yuvhwdata *) SDL_calloc(1, sizeof(struct private_yuvhwdata)); |
125 | if (hwdata == NULL) { |
126 | SDL_OutOfMemory(); |
127 | SDL_FreeYUVOverlay(overlay); |
128 | return NULL; |
129 | } |
130 | overlay->hwdata = hwdata; |
131 | |
132 | hwdata->stretch = NULL; |
133 | hwdata->display = display; |
134 | |
135 | /* Create SPU parms structure */ |
136 | hwdata->converter_parms = (struct yuv2rgb_parms_t *) memalign(16, sizeof(struct yuv2rgb_parms_t)); |
137 | hwdata->scaler_parms = (struct scale_parms_t *) memalign(16, sizeof(struct scale_parms_t)); |
138 | if (hwdata->converter_parms == NULL || hwdata->scaler_parms == NULL) { |
139 | SDL_FreeYUVOverlay(overlay); |
140 | SDL_OutOfMemory(); |
141 | return(NULL); |
142 | } |
143 | |
144 | /* Set up the SPEs */ |
145 | scaler_thread_data = (spu_data_t *) malloc(sizeof(spu_data_t)); |
146 | converter_thread_data = (spu_data_t *) malloc(sizeof(spu_data_t)); |
147 | if (converter_thread_data == NULL || scaler_thread_data == NULL) { |
148 | SDL_FreeYUVOverlay(overlay); |
149 | SDL_OutOfMemory(); |
150 | return(NULL); |
151 | } |
152 | |
153 | scaler_thread_data->program = bilin_scaler_spu; |
154 | scaler_thread_data->program_name = "bilin_scaler_spu"; |
155 | scaler_thread_data->keepalive = 0; |
156 | scaler_thread_data->booted = 0; |
157 | |
158 | converter_thread_data->program = yuv2rgb_spu; |
159 | converter_thread_data->program_name = "yuv2rgb_spu"; |
160 | converter_thread_data->keepalive = 1; |
161 | converter_thread_data->booted = 0; |
162 | |
163 | SPE_Start(this, converter_thread_data); |
164 | |
165 | hwdata->pixels = (Uint8 *) memalign(16, width * height + ((width * height) >> 1)); |
166 | if (hwdata->pixels == NULL) { |
167 | SDL_FreeYUVOverlay(overlay); |
168 | SDL_OutOfMemory(); |
169 | return(NULL); |
170 | } |
171 | |
172 | /* Find the pitch and offset values for the overlay */ |
173 | overlay->pitches = hwdata->pitches; |
174 | overlay->pixels = hwdata->planes; |
175 | switch (format) { |
176 | case SDL_YV12_OVERLAY: |
177 | case SDL_IYUV_OVERLAY: |
178 | overlay->pitches[0] = overlay->w; |
179 | overlay->pitches[1] = overlay->pitches[0] / 2; |
180 | overlay->pitches[2] = overlay->pitches[0] / 2; |
181 | overlay->pixels[0] = (Uint8 *)hwdata->pixels; |
182 | overlay->pixels[1] = overlay->pixels[0] + |
183 | overlay->pitches[0] * overlay->h; |
184 | overlay->pixels[2] = overlay->pixels[1] + |
185 | overlay->pitches[1] * overlay->h / 2; |
186 | overlay->planes = 3; |
187 | break; |
188 | default: |
189 | /* We should never get here (caught above) */ |
190 | break; |
191 | } |
192 | |
193 | /* We're all done.. */ |
194 | return overlay; |
195 | } |
196 | |
197 | |
198 | int PS3_LockYUVOverlay(_THIS, SDL_Overlay *overlay) { |
199 | if (overlay == NULL) { |
200 | return -1; |
201 | } |
202 | overlay->hwdata->locked = 1; |
203 | |
204 | return 0; |
205 | } |
206 | |
207 | |
208 | void PS3_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay) { |
209 | if (overlay == NULL) { |
210 | return; |
211 | } |
212 | overlay->hwdata->locked = 0; |
213 | |
214 | return; |
215 | } |
216 | |
217 | |
218 | int PS3_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *src, SDL_Rect *dst) { |
219 | if ((overlay == NULL) || (overlay->hwdata == NULL)) { |
220 | return -1; |
221 | } |
222 | |
223 | Uint8 *lum, *Cr, *Cb; |
224 | struct private_yuvhwdata *hwdata; |
225 | SDL_Surface *display; |
226 | |
227 | hwdata = overlay->hwdata; |
228 | display = hwdata->display; |
229 | |
230 | /* Do we have to scale? */ |
231 | if ((src->w != dst->w) || (src->h != dst->h) ) { |
232 | hwdata->scale = 1; |
233 | deprintf(1, "[PS3] We need to scale\n"); |
234 | } else { |
235 | hwdata->scale = 0; |
236 | deprintf(1, "[PS3] No scaling\n"); |
237 | } |
238 | |
239 | /* Find out where the various portions of the image are */ |
240 | switch (overlay->format) { |
241 | case SDL_YV12_OVERLAY: |
242 | lum = (Uint8 *)overlay->pixels[0]; |
243 | Cr = (Uint8 *)overlay->pixels[1]; |
244 | Cb = (Uint8 *)overlay->pixels[2]; |
245 | break; |
246 | case SDL_IYUV_OVERLAY: |
247 | lum = (Uint8 *)overlay->pixels[0]; |
248 | Cr = (Uint8 *)overlay->pixels[2]; |
249 | Cb = (Uint8 *)overlay->pixels[1]; |
250 | break; |
251 | default: |
252 | SDL_SetError("Unsupported YUV format in blit"); |
253 | return -1; |
254 | } |
255 | |
256 | if (hwdata->scale) { |
257 | /* Alloc mem for scaled YUV picture */ |
258 | hwdata->scaler_out = (Uint8 *) memalign(16, dst->w * dst->h + ((dst->w * dst->h) >> 1)); |
259 | if (hwdata->scaler_out == NULL) { |
260 | SDL_FreeYUVOverlay(overlay); |
261 | SDL_OutOfMemory(); |
262 | return -1; |
263 | } |
264 | |
265 | /* Set parms for scaling */ |
266 | hwdata->scaler_parms->src_pixel_width = src->w; |
267 | hwdata->scaler_parms->src_pixel_height = src->h; |
268 | hwdata->scaler_parms->dst_pixel_width = dst->w; |
269 | hwdata->scaler_parms->dst_pixel_height = dst->h; |
270 | hwdata->scaler_parms->y_plane = lum; |
271 | hwdata->scaler_parms->v_plane = Cr; |
272 | hwdata->scaler_parms->u_plane = Cb; |
273 | hwdata->scaler_parms->dstBuffer = hwdata->scaler_out; |
274 | scaler_thread_data->argp = (void *)hwdata->scaler_parms; |
275 | |
276 | /* Scale the YUV overlay to given size */ |
277 | SPE_Start(this, scaler_thread_data); |
278 | SPE_Stop(this, scaler_thread_data); |
279 | |
280 | /* Set parms for converting after scaling */ |
281 | hwdata->converter_parms->y_plane = hwdata->scaler_out; |
282 | hwdata->converter_parms->v_plane = hwdata->scaler_out + dst->w * dst->h; |
283 | hwdata->converter_parms->u_plane = hwdata->scaler_out + dst->w * dst->h + ((dst->w * dst->h) >> 2); |
284 | } else { |
285 | /* Set parms for converting */ |
286 | hwdata->converter_parms->y_plane = lum; |
287 | hwdata->converter_parms->v_plane = Cr; |
288 | hwdata->converter_parms->u_plane = Cb; |
289 | } |
290 | |
291 | hwdata->converter_parms->src_pixel_width = dst->w; |
292 | hwdata->converter_parms->src_pixel_height = dst->h; |
293 | hwdata->converter_parms->dstBuffer = (Uint8 *) s_pixels; |
294 | converter_thread_data->argp = (void *)hwdata->converter_parms; |
295 | |
296 | /* Convert YUV overlay to RGB */ |
297 | SPE_SendMsg(this, converter_thread_data, SPU_START); |
298 | SPE_SendMsg(this, converter_thread_data, (unsigned int)converter_thread_data->argp); |
299 | |
300 | /* Centering */ |
301 | s_bounded_input_width = dst->w; |
302 | s_bounded_input_height = dst->h; |
303 | |
304 | /* UpdateRects() will do the rest.. */ |
305 | SDL_UpdateRects(display, 1, dst); |
306 | |
307 | if (hwdata->scale) |
308 | SDL_free((void *)hwdata->scaler_out); |
309 | |
310 | return 0; |
311 | } |
312 | |
313 | |
314 | void PS3_FreeYUVOverlay(_THIS, SDL_Overlay *overlay) { |
315 | if (overlay == NULL) { |
316 | return; |
317 | } |
318 | |
319 | if (overlay->hwdata == NULL) { |
320 | return; |
321 | } |
322 | |
323 | struct private_yuvhwdata * hwdata; |
324 | hwdata = overlay->hwdata; |
325 | |
326 | if (scaler_thread_data) |
327 | SDL_free(scaler_thread_data); |
328 | if (converter_thread_data) { |
329 | SPE_Shutdown(this, converter_thread_data); |
330 | SDL_free(converter_thread_data); |
331 | } |
332 | |
333 | if (hwdata) { |
334 | if (hwdata->pixels) |
335 | SDL_free((void *)hwdata->pixels); |
336 | SDL_free(hwdata); |
337 | } |
338 | return; |
339 | } |
340 | |