4165
+ − 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
