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| 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 | + |
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