src/gallium/state_trackers/xorg/xvmc/subpicture.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include <assert.h>
  29 #include <X11/Xlibint.h>
  30 #include <X11/extensions/XvMClib.h>
  31 #include <xorg/fourcc.h>
  32 #include <vl_winsys.h>
  33 #include <pipe/p_screen.h>
  34 #include <pipe/p_video_context.h>
  35 #include <pipe/p_state.h>
  36 #include <util/u_memory.h>
  37 #include <util/u_math.h>
  38 #include "xvmc_private.h"
  39
  40 #define FOURCC_RGB 0x0000003
  41
  42 static enum pipe_format XvIDToPipe(int xvimage_id)
  43 {
  44    switch (xvimage_id) {
  45       case FOURCC_RGB:
  46          return PIPE_FORMAT_B8G8R8X8_UNORM;
  47       default:
  48          XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized Xv image ID 0x%08X.\n", xvimage_id);
  49          return PIPE_FORMAT_NONE;
  50    }
  51 }
  52
  53 static int PipeToComponentOrder(enum pipe_format format, char *component_order)
  54 {
  55    assert(component_order);
  56
  57    switch (format) {
  58       case PIPE_FORMAT_B8G8R8X8_UNORM:
  59          return 0;
  60       default:
  61          XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized PIPE_FORMAT 0x%08X.\n", format);
  62          component_order[0] = 0;
  63          component_order[1] = 0;
  64          component_order[2] = 0;
  65          component_order[3] = 0;
  66    }
  67
  68       return 0;
  69 }
  70
  71 static Status Validate(Display *dpy, XvPortID port, int surface_type_id, int xvimage_id)
  72 {
  73    XvImageFormatValues *subpictures;
  74    int num_subpics;
  75    unsigned int i;
  76
  77    subpictures = XvMCListSubpictureTypes(dpy, port, surface_type_id, &num_subpics);
  78    if (num_subpics < 1) {
  79       if (subpictures)
  80          XFree(subpictures);
  81       return BadMatch;
  82    }
  83    if (!subpictures)
  84       return BadAlloc;
  85
  86    for (i = 0; i < num_subpics; ++i) {
  87       if (subpictures[i].id == xvimage_id) {
  88          XVMC_MSG(XVMC_TRACE, "[XvMC] Found requested subpicture format.\n" \
  89                               "[XvMC]   port=%u\n" \
  90                               "[XvMC]   surface id=0x%08X\n" \
  91                               "[XvMC]   image id=0x%08X\n" \
  92                               "[XvMC]   type=%08X\n" \
  93                               "[XvMC]   byte order=%08X\n" \
  94                               "[XvMC]   bits per pixel=%u\n" \
  95                               "[XvMC]   format=%08X\n" \
  96                               "[XvMC]   num planes=%d\n",
  97                               port, surface_type_id, xvimage_id, subpictures[i].type, subpictures[i].byte_order,
  98                               subpictures[i].bits_per_pixel, subpictures[i].format, subpictures[i].num_planes);
  99          if (subpictures[i].type == XvRGB) {
 100             XVMC_MSG(XVMC_TRACE, "[XvMC]   depth=%d\n" \
 101                                  "[XvMC]   red mask=0x%08X\n" \
 102                                  "[XvMC]   green mask=0x%08X\n" \
 103                                  "[XvMC]   blue mask=0x%08X\n",
 104                                  subpictures[i].depth, subpictures[i].red_mask, subpictures[i].green_mask, subpictures[i].blue_mask);
 105          }
 106          else if (subpictures[i].type == XvYUV) {
 107             XVMC_MSG(XVMC_TRACE, "[XvMC]   y sample bits=0x%08X\n" \
 108                                  "[XvMC]   u sample bits=0x%08X\n" \
 109                                  "[XvMC]   v sample bits=0x%08X\n" \
 110                                  "[XvMC]   horz y period=%u\n" \
 111                                  "[XvMC]   horz u period=%u\n" \
 112                                  "[XvMC]   horz v period=%u\n" \
 113                                  "[XvMC]   vert y period=%u\n" \
 114                                  "[XvMC]   vert u period=%u\n" \
 115                                  "[XvMC]   vert v period=%u\n",
 116                                  subpictures[i].y_sample_bits, subpictures[i].u_sample_bits, subpictures[i].v_sample_bits,
 117                                  subpictures[i].horz_y_period, subpictures[i].horz_u_period, subpictures[i].horz_v_period,
 118                                  subpictures[i].vert_y_period, subpictures[i].vert_u_period, subpictures[i].vert_v_period);
 119          }
 120          break;
 121       }
 122    }
 123
 124    XFree(subpictures);
 125
 126    return i < num_subpics ? Success : BadMatch;
 127 }
 128
 129 PUBLIC
 130 Status XvMCCreateSubpicture(Display *dpy, XvMCContext *context, XvMCSubpicture *subpicture,
 131                             unsigned short width, unsigned short height, int xvimage_id)
 132 {
 133    XvMCContextPrivate *context_priv;
 134    XvMCSubpicturePrivate *subpicture_priv;
 135    struct pipe_video_context *vpipe;
 136    struct pipe_texture template;
 137    struct pipe_texture *tex;
 138    Status ret;
 139
 140    XVMC_MSG(XVMC_TRACE, "[XvMC] Creating subpicture %p.\n", subpicture);
 141
 142    assert(dpy);
 143
 144    if (!context)
 145       return XvMCBadContext;
 146
 147    context_priv = context->privData;
 148    vpipe = context_priv->vctx->vpipe;
 149
 150    if (!subpicture)
 151       return XvMCBadSubpicture;
 152
 153    if (width > context_priv->subpicture_max_width ||
 154        height > context_priv->subpicture_max_height)
 155       return BadValue;
 156
 157    ret = Validate(dpy, context->port, context->surface_type_id, xvimage_id);
 158    if (ret != Success)
 159       return ret;
 160
 161    subpicture_priv = CALLOC(1, sizeof(XvMCSubpicturePrivate));
 162    if (!subpicture_priv)
 163       return BadAlloc;
 164
 165    memset(&template, 0, sizeof(struct pipe_texture));
 166    template.target = PIPE_TEXTURE_2D;
 167    template.format = XvIDToPipe(xvimage_id);
 168    template.last_level = 0;
 169    if (vpipe->get_param(vpipe, PIPE_CAP_NPOT_TEXTURES)) {
 170       template.width0 = width;
 171       template.height0 = height;
 172    }
 173    else {
 174       template.width0 = util_next_power_of_two(width);
 175       template.height0 = util_next_power_of_two(height);
 176    }
 177    template.depth0 = 1;
 178    template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER;
 179
 180    subpicture_priv->context = context;
 181    tex = vpipe->screen->texture_create(vpipe->screen, &template);
 182    subpicture_priv->sfc = vpipe->screen->get_tex_surface(vpipe->screen, tex, 0, 0, 0,
 183                                                          PIPE_BUFFER_USAGE_CPU_WRITE |
 184                                                          PIPE_BUFFER_USAGE_GPU_READ);
 185    pipe_texture_reference(&tex, NULL);
 186    if (!subpicture_priv->sfc) {
 187       FREE(subpicture_priv);
 188       return BadAlloc;
 189    }
 190
 191    subpicture->subpicture_id = XAllocID(dpy);
 192    subpicture->context_id = context->context_id;
 193    subpicture->xvimage_id = xvimage_id;
 194    subpicture->width = width;
 195    subpicture->height = height;
 196    subpicture->num_palette_entries = 0;
 197    subpicture->entry_bytes = PipeToComponentOrder(template.format, subpicture->component_order);
 198    subpicture->privData = subpicture_priv;
 199
 200    SyncHandle();
 201
 202    XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p created.\n", subpicture);
 203
 204    return Success;
 205 }
 206
 207 PUBLIC
 208 Status XvMCClearSubpicture(Display *dpy, XvMCSubpicture *subpicture, short x, short y,
 209                            unsigned short width, unsigned short height, unsigned int color)
 210 {
 211    XvMCSubpicturePrivate *subpicture_priv;
 212    XvMCContextPrivate *context_priv;
 213
 214    assert(dpy);
 215
 216    if (!subpicture)
 217       return XvMCBadSubpicture;
 218
 219    subpicture_priv = subpicture->privData;
 220    context_priv = subpicture_priv->context->privData;
 221    /* TODO: Assert clear rect is within bounds? Or clip? */
 222    context_priv->vctx->vpipe->surface_fill(context_priv->vctx->vpipe,
 223                                            subpicture_priv->sfc, x, y,
 224                                            width, height, color);
 225
 226    return Success;
 227 }
 228
 229 PUBLIC
 230 Status XvMCCompositeSubpicture(Display *dpy, XvMCSubpicture *subpicture, XvImage *image,
 231                                short srcx, short srcy, unsigned short width, unsigned short height,
 232                                short dstx, short dsty)
 233 {
 234    XvMCSubpicturePrivate *subpicture_priv;
 235    XvMCContextPrivate *context_priv;
 236    struct pipe_screen *screen;
 237    struct pipe_transfer *xfer;
 238    unsigned char *src, *dst;
 239    unsigned x, y;
 240
 241    XVMC_MSG(XVMC_TRACE, "[XvMC] Compositing subpicture %p.\n", subpicture);
 242
 243    assert(dpy);
 244
 245    if (!subpicture)
 246       return XvMCBadSubpicture;
 247
 248    assert(image);
 249
 250    if (subpicture->xvimage_id != image->id)
 251       return BadMatch;
 252
 253    /* No planar support for now */
 254    if (image->num_planes != 1)
 255       return BadMatch;
 256
 257    subpicture_priv = subpicture->privData;
 258    context_priv = subpicture_priv->context->privData;
 259    screen = context_priv->vctx->vpipe->screen;
 260
 261    /* TODO: Assert rects are within bounds? Or clip? */
 262
 263    xfer = screen->get_tex_transfer(screen, subpicture_priv->sfc->texture, 0, 0, 0,
 264                                    PIPE_TRANSFER_WRITE, dstx, dsty, width, height);
 265    if (!xfer)
 266       return BadAlloc;
 267
 268    src = image->data;
 269    dst = screen->transfer_map(screen, xfer);
 270    if (!dst) {
 271       screen->tex_transfer_destroy(xfer);
 272       return BadAlloc;
 273    }
 274
 275    switch (image->id) {
 276       case FOURCC_RGB:
 277          assert(subpicture_priv->sfc->format == XvIDToPipe(image->id));
 278          for (y = 0; y < height; ++y) {
 279             for (x = 0; x < width; ++x, src += 3, dst += 4) {
 280                /* TODO: Confirm or fix */
 281                dst[0] = src[0];
 282                dst[1] = src[1];
 283                dst[2] = src[2];
 284             }
 285          }
 286          break;
 287       default:
 288          XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized Xv image ID 0x%08X.\n", image->id);
 289    }
 290
 291    screen->transfer_unmap(screen, xfer);
 292    screen->tex_transfer_destroy(xfer);
 293
 294    XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p composited.\n", subpicture);
 295
 296    return Success;
 297 }
 298
 299 PUBLIC
 300 Status XvMCDestroySubpicture(Display *dpy, XvMCSubpicture *subpicture)
 301 {
 302    XvMCSubpicturePrivate *subpicture_priv;
 303
 304    XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying subpicture %p.\n", subpicture);
 305
 306    assert(dpy);
 307
 308    if (!subpicture)
 309       return XvMCBadSubpicture;
 310
 311    subpicture_priv = subpicture->privData;
 312    pipe_surface_reference(&subpicture_priv->sfc, NULL);
 313    FREE(subpicture_priv);
 314
 315    XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p destroyed.\n", subpicture);
 316
 317    return Success;
 318 }
 319
 320 PUBLIC
 321 Status XvMCSetSubpicturePalette(Display *dpy, XvMCSubpicture *subpicture, unsigned char *palette)
 322 {
 323    assert(dpy);
 324
 325    if (!subpicture)
 326       return XvMCBadSubpicture;
 327
 328    assert(palette);
 329
 330    /* We don't support paletted subpictures */
 331    return BadMatch;
 332 }
 333
 334 PUBLIC
 335 Status XvMCBlendSubpicture(Display *dpy, XvMCSurface *target_surface, XvMCSubpicture *subpicture,
 336                            short subx, short suby, unsigned short subw, unsigned short subh,
 337                            short surfx, short surfy, unsigned short surfw, unsigned short surfh)
 338 {
 339    XvMCSurfacePrivate *surface_priv;
 340    XvMCSubpicturePrivate *subpicture_priv;
 341
 342    XVMC_MSG(XVMC_TRACE, "[XvMC] Associating subpicture %p with surface %p.\n", subpicture, target_surface);
 343
 344    assert(dpy);
 345
 346    if (!target_surface)
 347       return XvMCBadSurface;
 348
 349    if (!subpicture)
 350       return XvMCBadSubpicture;
 351
 352    if (target_surface->context_id != subpicture->context_id)
 353       return BadMatch;
 354
 355    /* TODO: Verify against subpicture independent scaling */
 356
 357    surface_priv = target_surface->privData;
 358    subpicture_priv = subpicture->privData;
 359
 360    /* TODO: Assert rects are within bounds? Or clip? */
 361
 362    surface_priv->subpicture = subpicture;
 363    surface_priv->subx = subx;
 364    surface_priv->suby = suby;
 365    surface_priv->subw = subw;
 366    surface_priv->subh = subh;
 367    surface_priv->surfx = surfx;
 368    surface_priv->surfy = surfy;
 369    surface_priv->surfw = surfw;
 370    surface_priv->surfh = surfh;
 371    subpicture_priv->surface = target_surface;
 372
 373    return Success;
 374 }
 375
 376 PUBLIC
 377 Status XvMCBlendSubpicture2(Display *dpy, XvMCSurface *source_surface, XvMCSurface *target_surface,
 378                             XvMCSubpicture *subpicture, short subx, short suby, unsigned short subw, unsigned short subh,
 379                             short surfx, short surfy, unsigned short surfw, unsigned short surfh)
 380 {
 381    assert(dpy);
 382
 383    if (!source_surface || !target_surface)
 384       return XvMCBadSurface;
 385
 386    if (!subpicture)
 387       return XvMCBadSubpicture;
 388
 389    if (source_surface->context_id != subpicture->context_id)
 390       return BadMatch;
 391
 392    if (source_surface->context_id != subpicture->context_id)
 393       return BadMatch;
 394
 395    /* TODO: Assert rects are within bounds? Or clip? */
 396
 397    return Success;
 398 }
 399
 400 PUBLIC
 401 Status XvMCSyncSubpicture(Display *dpy, XvMCSubpicture *subpicture)
 402 {
 403    assert(dpy);
 404
 405    if (!subpicture)
 406       return XvMCBadSubpicture;
 407
 408    return Success;
 409 }
 410
 411 PUBLIC
 412 Status XvMCFlushSubpicture(Display *dpy, XvMCSubpicture *subpicture)
 413 {
 414    assert(dpy);
 415
 416    if (!subpicture)
 417       return XvMCBadSubpicture;
 418
 419    return Success;
 420 }
 421
 422 PUBLIC
 423 Status XvMCGetSubpictureStatus(Display *dpy, XvMCSubpicture *subpicture, int *status)
 424 {
 425    assert(dpy);
 426
 427    if (!subpicture)
 428       return XvMCBadSubpicture;
 429
 430    assert(status);
 431
 432    /* TODO */
 433    *status = 0;
 434
 435    return Success;
 436 }