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 } 340 341
