src/gallium/state_trackers/xorg/xvmc/surface.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 <vl_winsys.h>
  31 #include <pipe/p_video_context.h>
  32 #include <pipe/p_video_state.h>
  33 #include <pipe/p_state.h>
  34 #include <util/u_inlines.h>
  35 #include <util/u_memory.h>
  36 #include <util/u_math.h>
  37 #include "xvmc_private.h"
  38
  39 static enum pipe_mpeg12_macroblock_type TypeToPipe(int xvmc_mb_type)
  40 {
  41    if (xvmc_mb_type & XVMC_MB_TYPE_INTRA)
  42       return PIPE_MPEG12_MACROBLOCK_TYPE_INTRA;
  43    if ((xvmc_mb_type & (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD)) == XVMC_MB_TYPE_MOTION_FORWARD)
  44       return PIPE_MPEG12_MACROBLOCK_TYPE_FWD;
  45    if ((xvmc_mb_type & (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD)) == XVMC_MB_TYPE_MOTION_BACKWARD)
  46       return PIPE_MPEG12_MACROBLOCK_TYPE_BKWD;
  47    if ((xvmc_mb_type & (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD)) == (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD))
  48       return PIPE_MPEG12_MACROBLOCK_TYPE_BI;
  49
  50    assert(0);
  51
  52    XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized mb type 0x%08X.\n", xvmc_mb_type);
  53
  54    return -1;
  55 }
  56
  57 static enum pipe_mpeg12_picture_type PictureToPipe(int xvmc_pic)
  58 {
  59    switch (xvmc_pic) {
  60       case XVMC_TOP_FIELD:
  61          return PIPE_MPEG12_PICTURE_TYPE_FIELD_TOP;
  62       case XVMC_BOTTOM_FIELD:
  63          return PIPE_MPEG12_PICTURE_TYPE_FIELD_BOTTOM;
  64       case XVMC_FRAME_PICTURE:
  65          return PIPE_MPEG12_PICTURE_TYPE_FRAME;
  66       default:
  67          assert(0);
  68    }
  69
  70    XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized picture type 0x%08X.\n", xvmc_pic);
  71
  72    return -1;
  73 }
  74
  75 static enum pipe_mpeg12_motion_type MotionToPipe(int xvmc_motion_type, unsigned int xvmc_picture_structure)
  76 {
  77    switch (xvmc_motion_type) {
  78       case XVMC_PREDICTION_FRAME:
  79          if (xvmc_picture_structure == XVMC_FRAME_PICTURE)
  80             return PIPE_MPEG12_MOTION_TYPE_FRAME;
  81          else
  82             return PIPE_MPEG12_MOTION_TYPE_16x8;
  83          break;
  84       case XVMC_PREDICTION_FIELD:
  85          return PIPE_MPEG12_MOTION_TYPE_FIELD;
  86       case XVMC_PREDICTION_DUAL_PRIME:
  87          return PIPE_MPEG12_MOTION_TYPE_DUALPRIME;
  88       default:
  89          assert(0);
  90    }
  91
  92    XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized motion type 0x%08X (with picture structure 0x%08X).\n", xvmc_motion_type, xvmc_picture_structure);
  93
  94    return -1;
  95 }
  96
  97 #if 0
  98 static bool
  99 CreateOrResizeBackBuffer(struct vl_context *vctx, unsigned int width, unsigned int height,
 100                          struct pipe_surface **backbuffer)
 101 {
 102    struct pipe_video_context *vpipe;
 103    struct pipe_resource template;
 104    struct pipe_resource *tex;
 105
 106    assert(vctx);
 107
 108    vpipe = vctx->vpipe;
 109
 110    if (*backbuffer) {
 111       if ((*backbuffer)->width != width || (*backbuffer)->height != height)
 112          pipe_surface_reference(backbuffer, NULL);
 113       else
 114          return true;
 115    }
 116
 117    memset(&template, 0, sizeof(struct pipe_resource));
 118    template.target = PIPE_TEXTURE_2D;
 119    template.format = vctx->vscreen->format;
 120    template.last_level = 0;
 121    template.width0 = width;
 122    template.height0 = height;
 123    template.depth0 = 1;
 124    template.usage = PIPE_USAGE_DEFAULT;
 125    template.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_BLIT_SOURCE;
 126    template.flags = 0;
 127
 128    tex = vpipe->screen->resource_create(vpipe->screen, &template);
 129    if (!tex)
 130       return false;
 131
 132    *backbuffer = vpipe->screen->get_tex_surface(vpipe->screen, tex, 0, 0, 0,
 133                                                 template.bind);
 134    pipe_resource_reference(&tex, NULL);
 135
 136    if (!*backbuffer)
 137       return false;
 138
 139    /* Clear the backbuffer in case the video doesn't cover the whole window */
 140    /* FIXME: Need to clear every time a frame moves and leaves dirty rects */
 141    vpipe->surface_fill(vpipe, *backbuffer, 0, 0, width, height, 0);
 142
 143    return true;
 144 }
 145 #endif
 146
 147 static void
 148 MacroBlocksToPipe(struct pipe_screen *screen,
 149                   unsigned int xvmc_picture_structure,
 150                   const XvMCMacroBlockArray *xvmc_macroblocks,
 151                   const XvMCBlockArray *xvmc_blocks,
 152                   unsigned int first_macroblock,
 153                   unsigned int num_macroblocks,
 154                   struct pipe_mpeg12_macroblock *pipe_macroblocks)
 155 {
 156    unsigned int i, j, k, l;
 157    XvMCMacroBlock *xvmc_mb;
 158
 159    assert(xvmc_macroblocks);
 160    assert(xvmc_blocks);
 161    assert(pipe_macroblocks);
 162    assert(num_macroblocks);
 163
 164    xvmc_mb = xvmc_macroblocks->macro_blocks + first_macroblock;
 165
 166    for (i = 0; i < num_macroblocks; ++i) {
 167       pipe_macroblocks->base.codec = PIPE_VIDEO_CODEC_MPEG12;
 168       pipe_macroblocks->mbx = xvmc_mb->x;
 169       pipe_macroblocks->mby = xvmc_mb->y;
 170       pipe_macroblocks->mb_type = TypeToPipe(xvmc_mb->macroblock_type);
 171       if (pipe_macroblocks->mb_type != PIPE_MPEG12_MACROBLOCK_TYPE_INTRA)
 172          pipe_macroblocks->mo_type = MotionToPipe(xvmc_mb->motion_type, xvmc_picture_structure);
 173       /* Get rid of Valgrind 'undefined' warnings */
 174       else
 175          pipe_macroblocks->mo_type = -1;
 176       pipe_macroblocks->dct_type = xvmc_mb->dct_type == XVMC_DCT_TYPE_FIELD ?
 177          PIPE_MPEG12_DCT_TYPE_FIELD : PIPE_MPEG12_DCT_TYPE_FRAME;
 178
 179       for (j = 0; j < 2; ++j)
 180          for (k = 0; k < 2; ++k)
 181             for (l = 0; l < 2; ++l)
 182                pipe_macroblocks->pmv[j][k][l] = xvmc_mb->PMV[j][k][l];
 183
 184       pipe_macroblocks->mvfs[0][0] = xvmc_mb->motion_vertical_field_select & XVMC_SELECT_FIRST_FORWARD;
 185       pipe_macroblocks->mvfs[0][1] = xvmc_mb->motion_vertical_field_select & XVMC_SELECT_FIRST_BACKWARD;
 186       pipe_macroblocks->mvfs[1][0] = xvmc_mb->motion_vertical_field_select & XVMC_SELECT_SECOND_FORWARD;
 187       pipe_macroblocks->mvfs[1][1] = xvmc_mb->motion_vertical_field_select & XVMC_SELECT_SECOND_BACKWARD;
 188
 189       pipe_macroblocks->cbp = xvmc_mb->coded_block_pattern;
 190       pipe_macroblocks->blocks = xvmc_blocks->blocks + xvmc_mb->index * BLOCK_SIZE_SAMPLES;
 191
 192       ++pipe_macroblocks;
 193       ++xvmc_mb;
 194    }
 195 }
 196
 197 PUBLIC
 198 Status XvMCCreateSurface(Display *dpy, XvMCContext *context, XvMCSurface *surface)
 199 {
 200    XvMCContextPrivate *context_priv;
 201    struct pipe_video_context *vpipe;
 202    XvMCSurfacePrivate *surface_priv;
 203    struct pipe_resource template;
 204    struct pipe_resource *vsfc_tex;
 205    struct pipe_surface *vsfc;
 206
 207    XVMC_MSG(XVMC_TRACE, "[XvMC] Creating surface %p.\n", surface);
 208
 209    assert(dpy);
 210
 211    if (!context)
 212       return XvMCBadContext;
 213    if (!surface)
 214       return XvMCBadSurface;
 215
 216    context_priv = context->privData;
 217    vpipe = context_priv->vctx->vpipe;
 218
 219    surface_priv = CALLOC(1, sizeof(XvMCSurfacePrivate));
 220    if (!surface_priv)
 221       return BadAlloc;
 222
 223    memset(&template, 0, sizeof(struct pipe_resource));
 224    template.target = PIPE_TEXTURE_2D;
 225    template.format = (enum pipe_format)vpipe->get_param(vpipe, PIPE_CAP_DECODE_TARGET_PREFERRED_FORMAT);
 226    template.last_level = 0;
 227    if (vpipe->is_format_supported(vpipe, template.format,
 228                                   PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET,
 229                                   PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO)) {
 230       template.width0 = context->width;
 231       template.height0 = context->height;
 232    }
 233    else {
 234       assert(vpipe->is_format_supported(vpipe, template.format,
 235                                        PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET,
 236                                        PIPE_TEXTURE_GEOM_NON_SQUARE));
 237       template.width0 = util_next_power_of_two(context->width);
 238       template.height0 = util_next_power_of_two(context->height);
 239    }
 240    template.depth0 = 1;
 241    template.usage = PIPE_USAGE_DEFAULT;
 242    template.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 243    template.flags = 0;
 244    vsfc_tex = vpipe->screen->resource_create(vpipe->screen, &template);
 245    if (!vsfc_tex) {
 246       FREE(surface_priv);
 247       return BadAlloc;
 248    }
 249
 250    vsfc = vpipe->screen->get_tex_surface(vpipe->screen, vsfc_tex, 0, 0, 0,
 251                                          PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET);
 252    pipe_resource_reference(&vsfc_tex, NULL);
 253    if (!vsfc) {
 254       FREE(surface_priv);
 255       return BadAlloc;
 256    }
 257
 258    surface_priv->pipe_vsfc = vsfc;
 259    surface_priv->context = context;
 260
 261    surface->surface_id = XAllocID(dpy);
 262    surface->context_id = context->context_id;
 263    surface->surface_type_id = context->surface_type_id;
 264    surface->width = context->width;
 265    surface->height = context->height;
 266    surface->privData = surface_priv;
 267
 268    SyncHandle();
 269
 270    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p created.\n", surface);
 271
 272    return Success;
 273 }
 274
 275 PUBLIC
 276 Status XvMCRenderSurface(Display *dpy, XvMCContext *context, unsigned int picture_structure,
 277                          XvMCSurface *target_surface, XvMCSurface *past_surface, XvMCSurface *future_surface,
 278                          unsigned int flags, unsigned int num_macroblocks, unsigned int first_macroblock,
 279                          XvMCMacroBlockArray *macroblocks, XvMCBlockArray *blocks
 280 )
 281 {
 282    struct pipe_video_context *vpipe;
 283    struct pipe_surface *t_vsfc;
 284    struct pipe_surface *p_vsfc;
 285    struct pipe_surface *f_vsfc;
 286    XvMCContextPrivate *context_priv;
 287    XvMCSurfacePrivate *target_surface_priv;
 288    XvMCSurfacePrivate *past_surface_priv;
 289    XvMCSurfacePrivate *future_surface_priv;
 290    struct pipe_mpeg12_macroblock pipe_macroblocks[num_macroblocks];
 291
 292    XVMC_MSG(XVMC_TRACE, "[XvMC] Rendering to surface %p.\n", target_surface);
 293
 294    assert(dpy);
 295
 296    if (!context || !context->privData)
 297       return XvMCBadContext;
 298    if (!target_surface || !target_surface->privData)
 299       return XvMCBadSurface;
 300
 301    if (picture_structure != XVMC_TOP_FIELD &&
 302        picture_structure != XVMC_BOTTOM_FIELD &&
 303        picture_structure != XVMC_FRAME_PICTURE)
 304       return BadValue;
 305    /* Bkwd pred equivalent to fwd (past && !future) */
 306    if (future_surface && !past_surface)
 307       return BadMatch;
 308
 309    assert(context->context_id == target_surface->context_id);
 310    assert(!past_surface || context->context_id == past_surface->context_id);
 311    assert(!future_surface || context->context_id == future_surface->context_id);
 312
 313    assert(macroblocks);
 314    assert(blocks);
 315
 316    assert(macroblocks->context_id == context->context_id);
 317    assert(blocks->context_id == context->context_id);
 318
 319    assert(flags == 0 || flags == XVMC_SECOND_FIELD);
 320
 321    target_surface_priv = target_surface->privData;
 322    past_surface_priv = past_surface ? past_surface->privData : NULL;
 323    future_surface_priv = future_surface ? future_surface->privData : NULL;
 324
 325    assert(target_surface_priv->context == context);
 326    assert(!past_surface || past_surface_priv->context == context);
 327    assert(!future_surface || future_surface_priv->context == context);
 328
 329    context_priv = context->privData;
 330    vpipe = context_priv->vctx->vpipe;
 331
 332    t_vsfc = target_surface_priv->pipe_vsfc;
 333    p_vsfc = past_surface ? past_surface_priv->pipe_vsfc : NULL;
 334    f_vsfc = future_surface ? future_surface_priv->pipe_vsfc : NULL;
 335
 336    MacroBlocksToPipe(vpipe->screen, picture_structure, macroblocks, blocks, first_macroblock,
 337                      num_macroblocks, pipe_macroblocks);
 338
 339    vpipe->set_decode_target(vpipe, t_vsfc);
 340    vpipe->decode_macroblocks(vpipe, p_vsfc, f_vsfc, num_macroblocks,
 341                              &pipe_macroblocks->base, &target_surface_priv->render_fence);
 342
 343    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for rendering.\n", target_surface);
 344
 345    return Success;
 346 }
 347
 348 PUBLIC
 349 Status XvMCFlushSurface(Display *dpy, XvMCSurface *surface)
 350 {
 351    assert(dpy);
 352
 353    if (!surface)
 354       return XvMCBadSurface;
 355
 356    return Success;
 357 }
 358
 359 PUBLIC
 360 Status XvMCSyncSurface(Display *dpy, XvMCSurface *surface)
 361 {
 362    assert(dpy);
 363
 364    if (!surface)
 365       return XvMCBadSurface;
 366
 367    return Success;
 368 }
 369
 370 PUBLIC
 371 Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable,
 372                       short srcx, short srcy, unsigned short srcw, unsigned short srch,
 373                       short destx, short desty, unsigned short destw, unsigned short desth,
 374                       int flags)
 375 {
 376    struct pipe_video_context *vpipe;
 377    XvMCSurfacePrivate *surface_priv;
 378    XvMCContextPrivate *context_priv;
 379    XvMCSubpicturePrivate *subpicture_priv;
 380    XvMCContext *context;
 381    struct pipe_video_rect src_rect = {srcx, srcy, srcw, srch};
 382    struct pipe_video_rect dst_rect = {destx, desty, destw, desth};
 383    struct pipe_surface *drawable_surface;
 384
 385    XVMC_MSG(XVMC_TRACE, "[XvMC] Displaying surface %p.\n", surface);
 386
 387    assert(dpy);
 388
 389    if (!surface || !surface->privData)
 390       return XvMCBadSurface;
 391
 392    surface_priv = surface->privData;
 393    context = surface_priv->context;
 394    context_priv = context->privData;
 395
 396    drawable_surface = vl_drawable_surface_get(context_priv->vctx->vscreen, drawable);
 397    if (!drawable_surface)
 398       return BadDrawable;
 399
 400    assert(flags == XVMC_TOP_FIELD || flags == XVMC_BOTTOM_FIELD || flags == XVMC_FRAME_PICTURE);
 401    assert(srcx + srcw - 1 < surface->width);
 402    assert(srcy + srch - 1 < surface->height);
 403    /*
 404     * Some apps (mplayer) hit these asserts because they call
 405     * this function after the window has been resized by the WM
 406     * but before they've handled the corresponding XEvent and
 407     * know about the new dimensions. The output should be clipped
 408     * until the app updates destw and desth.
 409     */
 410    /*
 411    assert(destx + destw - 1 < drawable_surface->width);
 412    assert(desty + desth - 1 < drawable_surface->height);
 413     */
 414
 415    subpicture_priv = surface_priv->subpicture ? surface_priv->subpicture->privData : NULL;
 416    vpipe = context_priv->vctx->vpipe;
 417
 418 #if 0
 419    if (!CreateOrResizeBackBuffer(context_priv->vctx, width, height, &context_priv->backbuffer))
 420       return BadAlloc;
 421 #endif
 422
 423    if (subpicture_priv) {
 424       struct pipe_video_rect src_rect = {surface_priv->subx, surface_priv->suby, surface_priv->subw, surface_priv->subh};
 425       struct pipe_video_rect dst_rect = {surface_priv->surfx, surface_priv->surfy, surface_priv->surfw, surface_priv->surfh};
 426       struct pipe_video_rect *src_rects[1] = {&src_rect};
 427       struct pipe_video_rect *dst_rects[1] = {&dst_rect};
 428
 429       XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p has subpicture %p.\n", surface, surface_priv->subpicture);
 430
 431       assert(subpicture_priv->surface == surface);
 432       vpipe->set_picture_layers(vpipe, &subpicture_priv->sfc, src_rects, dst_rects, 1);
 433
 434       surface_priv->subpicture = NULL;
 435       subpicture_priv->surface = NULL;
 436    }
 437    else
 438       vpipe->set_picture_layers(vpipe, NULL, NULL, NULL, 0);
 439
 440    vpipe->render_picture(vpipe, surface_priv->pipe_vsfc, PictureToPipe(flags), &src_rect,
 441                          drawable_surface, &dst_rect, &surface_priv->disp_fence);
 442
 443    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for display. Pushing to front buffer.\n", surface);
 444
 445    vpipe->screen->flush_frontbuffer
 446    (
 447       vpipe->screen,
 448       drawable_surface,
 449       vl_contextprivate_get(context_priv->vctx, drawable_surface)
 450    );
 451
 452    pipe_surface_reference(&drawable_surface, NULL);
 453
 454    XVMC_MSG(XVMC_TRACE, "[XvMC] Pushed surface %p to front buffer.\n", surface);
 455
 456    return Success;
 457 }
 458
 459 PUBLIC
 460 Status XvMCGetSurfaceStatus(Display *dpy, XvMCSurface *surface, int *status)
 461 {
 462    assert(dpy);
 463
 464    if (!surface)
 465       return XvMCBadSurface;
 466
 467    assert(status);
 468
 469    *status = 0;
 470
 471    return Success;
 472 }
 473
 474 PUBLIC
 475 Status XvMCDestroySurface(Display *dpy, XvMCSurface *surface)
 476 {
 477    XvMCSurfacePrivate *surface_priv;
 478
 479    XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying surface %p.\n", surface);
 480
 481    assert(dpy);
 482
 483    if (!surface || !surface->privData)
 484       return XvMCBadSurface;
 485
 486    surface_priv = surface->privData;
 487    pipe_surface_reference(&surface_priv->pipe_vsfc, NULL);
 488    FREE(surface_priv);
 489    surface->privData = NULL;
 490
 491    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p destroyed.\n", surface);
 492
 493    return Success;
 494 }
 495
 496 PUBLIC
 497 Status XvMCHideSurface(Display *dpy, XvMCSurface *surface)
 498 {
 499    assert(dpy);
 500
 501    if (!surface || !surface->privData)
 502       return XvMCBadSurface;
 503
 504    /* No op, only for overlaid rendering */
 505
 506    return Success;
 507 }