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, int xvmc_dct_type)
  76 {
  77    switch (xvmc_motion_type) {
  78       case XVMC_PREDICTION_FRAME:
  79          if (xvmc_dct_type == XVMC_DCT_TYPE_FIELD)
  80             return PIPE_MPEG12_MOTION_TYPE_16x8;
  81          else if (xvmc_dct_type == XVMC_DCT_TYPE_FRAME)
  82             return PIPE_MPEG12_MOTION_TYPE_FRAME;
  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 DCT type 0x%08X).\n", xvmc_motion_type, xvmc_dct_type);
  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                   const XvMCMacroBlockArray *xvmc_macroblocks,
 150                   const XvMCBlockArray *xvmc_blocks,
 151                   unsigned int first_macroblock,
 152                   unsigned int num_macroblocks,
 153                   struct pipe_mpeg12_macroblock *pipe_macroblocks)
 154 {
 155    unsigned int i, j, k, l;
 156    XvMCMacroBlock *xvmc_mb;
 157
 158    assert(xvmc_macroblocks);
 159    assert(xvmc_blocks);
 160    assert(pipe_macroblocks);
 161    assert(num_macroblocks);
 162
 163    xvmc_mb = xvmc_macroblocks->macro_blocks + first_macroblock;
 164
 165    for (i = 0; i < num_macroblocks; ++i) {
 166       pipe_macroblocks->base.codec = PIPE_VIDEO_CODEC_MPEG12;
 167       pipe_macroblocks->mbx = xvmc_mb->x;
 168       pipe_macroblocks->mby = xvmc_mb->y;
 169       pipe_macroblocks->mb_type = TypeToPipe(xvmc_mb->macroblock_type);
 170       if (pipe_macroblocks->mb_type != PIPE_MPEG12_MACROBLOCK_TYPE_INTRA)
 171          pipe_macroblocks->mo_type = MotionToPipe(xvmc_mb->motion_type, xvmc_mb->dct_type);
 172       /* Get rid of Valgrind 'undefined' warnings */
 173       else
 174          pipe_macroblocks->mo_type = -1;
 175       pipe_macroblocks->dct_type = xvmc_mb->dct_type == XVMC_DCT_TYPE_FIELD ?
 176          PIPE_MPEG12_DCT_TYPE_FIELD : PIPE_MPEG12_DCT_TYPE_FRAME;
 177
 178       for (j = 0; j < 2; ++j)
 179          for (k = 0; k < 2; ++k)
 180             for (l = 0; l < 2; ++l)
 181                pipe_macroblocks->pmv[j][k][l] = xvmc_mb->PMV[j][k][l];
 182
 183       pipe_macroblocks->cbp = xvmc_mb->coded_block_pattern;
 184       pipe_macroblocks->blocks = xvmc_blocks->blocks + xvmc_mb->index * BLOCK_SIZE_SAMPLES;
 185
 186       ++pipe_macroblocks;
 187       ++xvmc_mb;
 188    }
 189 }
 190
 191 PUBLIC
 192 Status XvMCCreateSurface(Display *dpy, XvMCContext *context, XvMCSurface *surface)
 193 {
 194    XvMCContextPrivate *context_priv;
 195    struct pipe_video_context *vpipe;
 196    XvMCSurfacePrivate *surface_priv;
 197    struct pipe_resource template;
 198    struct pipe_resource *vsfc_tex;
 199    struct pipe_surface *vsfc;
 200
 201    XVMC_MSG(XVMC_TRACE, "[XvMC] Creating surface %p.\n", surface);
 202
 203    assert(dpy);
 204
 205    if (!context)
 206       return XvMCBadContext;
 207    if (!surface)
 208       return XvMCBadSurface;
 209
 210    context_priv = context->privData;
 211    vpipe = context_priv->vctx->vpipe;
 212
 213    surface_priv = CALLOC(1, sizeof(XvMCSurfacePrivate));
 214    if (!surface_priv)
 215       return BadAlloc;
 216
 217    memset(&template, 0, sizeof(struct pipe_resource));
 218    template.target = PIPE_TEXTURE_2D;
 219    template.format = (enum pipe_format)vpipe->get_param(vpipe, PIPE_CAP_DECODE_TARGET_PREFERRED_FORMAT);
 220    template.last_level = 0;
 221    if (vpipe->is_format_supported(vpipe, template.format,
 222                                   PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET,
 223                                   PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO)) {
 224       template.width0 = context->width;
 225       template.height0 = context->height;
 226    }
 227    else {
 228       assert(vpipe->is_format_supported(vpipe, template.format,
 229                                        PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET,
 230                                        PIPE_TEXTURE_GEOM_NON_SQUARE));
 231       template.width0 = util_next_power_of_two(context->width);
 232       template.height0 = util_next_power_of_two(context->height);
 233    }
 234    template.depth0 = 1;
 235    template.usage = PIPE_USAGE_DEFAULT;
 236    template.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 237    template.flags = 0;
 238    vsfc_tex = vpipe->screen->resource_create(vpipe->screen, &template);
 239    if (!vsfc_tex) {
 240       FREE(surface_priv);
 241       return BadAlloc;
 242    }
 243
 244    vsfc = vpipe->screen->get_tex_surface(vpipe->screen, vsfc_tex, 0, 0, 0,
 245                                          PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET);
 246    pipe_resource_reference(&vsfc_tex, NULL);
 247    if (!vsfc) {
 248       FREE(surface_priv);
 249       return BadAlloc;
 250    }
 251
 252    surface_priv->pipe_vsfc = vsfc;
 253    surface_priv->context = context;
 254
 255    surface->surface_id = XAllocID(dpy);
 256    surface->context_id = context->context_id;
 257    surface->surface_type_id = context->surface_type_id;
 258    surface->width = context->width;
 259    surface->height = context->height;
 260    surface->privData = surface_priv;
 261
 262    SyncHandle();
 263
 264    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p created.\n", surface);
 265
 266    return Success;
 267 }
 268
 269 PUBLIC
 270 Status XvMCRenderSurface(Display *dpy, XvMCContext *context, unsigned int picture_structure,
 271                          XvMCSurface *target_surface, XvMCSurface *past_surface, XvMCSurface *future_surface,
 272                          unsigned int flags, unsigned int num_macroblocks, unsigned int first_macroblock,
 273                          XvMCMacroBlockArray *macroblocks, XvMCBlockArray *blocks
 274 )
 275 {
 276    struct pipe_video_context *vpipe;
 277    struct pipe_surface *t_vsfc;
 278    struct pipe_surface *p_vsfc;
 279    struct pipe_surface *f_vsfc;
 280    XvMCContextPrivate *context_priv;
 281    XvMCSurfacePrivate *target_surface_priv;
 282    XvMCSurfacePrivate *past_surface_priv;
 283    XvMCSurfacePrivate *future_surface_priv;
 284    struct pipe_mpeg12_macroblock pipe_macroblocks[num_macroblocks];
 285
 286    XVMC_MSG(XVMC_TRACE, "[XvMC] Rendering to surface %p.\n", target_surface);
 287
 288    assert(dpy);
 289
 290    if (!context || !context->privData)
 291       return XvMCBadContext;
 292    if (!target_surface || !target_surface->privData)
 293       return XvMCBadSurface;
 294
 295    if (picture_structure != XVMC_TOP_FIELD &&
 296        picture_structure != XVMC_BOTTOM_FIELD &&
 297        picture_structure != XVMC_FRAME_PICTURE)
 298       return BadValue;
 299    /* Bkwd pred equivalent to fwd (past && !future) */
 300    if (future_surface && !past_surface)
 301       return BadMatch;
 302
 303    assert(context->context_id == target_surface->context_id);
 304    assert(!past_surface || context->context_id == past_surface->context_id);
 305    assert(!future_surface || context->context_id == future_surface->context_id);
 306
 307    assert(macroblocks);
 308    assert(blocks);
 309
 310    assert(macroblocks->context_id == context->context_id);
 311    assert(blocks->context_id == context->context_id);
 312
 313    assert(flags == 0 || flags == XVMC_SECOND_FIELD);
 314
 315    target_surface_priv = target_surface->privData;
 316    past_surface_priv = past_surface ? past_surface->privData : NULL;
 317    future_surface_priv = future_surface ? future_surface->privData : NULL;
 318
 319    assert(target_surface_priv->context == context);
 320    assert(!past_surface || past_surface_priv->context == context);
 321    assert(!future_surface || future_surface_priv->context == context);
 322
 323    context_priv = context->privData;
 324    vpipe = context_priv->vctx->vpipe;
 325
 326    t_vsfc = target_surface_priv->pipe_vsfc;
 327    p_vsfc = past_surface ? past_surface_priv->pipe_vsfc : NULL;
 328    f_vsfc = future_surface ? future_surface_priv->pipe_vsfc : NULL;
 329
 330    MacroBlocksToPipe(vpipe->screen, macroblocks, blocks, first_macroblock,
 331                      num_macroblocks, pipe_macroblocks);
 332
 333    vpipe->set_decode_target(vpipe, t_vsfc);
 334    vpipe->decode_macroblocks(vpipe, p_vsfc, f_vsfc, num_macroblocks,
 335                              &pipe_macroblocks->base, &target_surface_priv->render_fence);
 336
 337    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for rendering.\n", target_surface);
 338
 339    return Success;
 340 }
 341
 342 PUBLIC
 343 Status XvMCFlushSurface(Display *dpy, XvMCSurface *surface)
 344 {
 345    assert(dpy);
 346
 347    if (!surface)
 348       return XvMCBadSurface;
 349
 350    return Success;
 351 }
 352
 353 PUBLIC
 354 Status XvMCSyncSurface(Display *dpy, XvMCSurface *surface)
 355 {
 356    assert(dpy);
 357
 358    if (!surface)
 359       return XvMCBadSurface;
 360
 361    return Success;
 362 }
 363
 364 PUBLIC
 365 Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable,
 366                       short srcx, short srcy, unsigned short srcw, unsigned short srch,
 367                       short destx, short desty, unsigned short destw, unsigned short desth,
 368                       int flags)
 369 {
 370    struct pipe_video_context *vpipe;
 371    XvMCSurfacePrivate *surface_priv;
 372    XvMCContextPrivate *context_priv;
 373    XvMCSubpicturePrivate *subpicture_priv;
 374    XvMCContext *context;
 375    struct pipe_video_rect src_rect = {srcx, srcy, srcw, srch};
 376    struct pipe_video_rect dst_rect = {destx, desty, destw, desth};
 377    struct pipe_surface *drawable_surface;
 378
 379    XVMC_MSG(XVMC_TRACE, "[XvMC] Displaying surface %p.\n", surface);
 380
 381    assert(dpy);
 382
 383    if (!surface || !surface->privData)
 384       return XvMCBadSurface;
 385
 386    surface_priv = surface->privData;
 387    context = surface_priv->context;
 388    context_priv = context->privData;
 389
 390    drawable_surface = vl_drawable_surface_get(context_priv->vctx->vscreen, drawable);
 391    if (!drawable_surface)
 392       return BadDrawable;
 393
 394    assert(flags == XVMC_TOP_FIELD || flags == XVMC_BOTTOM_FIELD || flags == XVMC_FRAME_PICTURE);
 395    assert(srcx + srcw - 1 < surface->width);
 396    assert(srcy + srch - 1 < surface->height);
 397    /*
 398     * Some apps (mplayer) hit these asserts because they call
 399     * this function after the window has been resized by the WM
 400     * but before they've handled the corresponding XEvent and
 401     * know about the new dimensions. The output should be clipped
 402     * until the app updates destw and desth.
 403     */
 404    /*
 405    assert(destx + destw - 1 < drawable_surface->width);
 406    assert(desty + desth - 1 < drawable_surface->height);
 407     */
 408
 409    subpicture_priv = surface_priv->subpicture ? surface_priv->subpicture->privData : NULL;
 410    vpipe = context_priv->vctx->vpipe;
 411
 412 #if 0
 413    if (!CreateOrResizeBackBuffer(context_priv->vctx, width, height, &context_priv->backbuffer))
 414       return BadAlloc;
 415 #endif
 416
 417    if (subpicture_priv) {
 418       struct pipe_video_rect src_rect = {surface_priv->subx, surface_priv->suby, surface_priv->subw, surface_priv->subh};
 419       struct pipe_video_rect dst_rect = {surface_priv->surfx, surface_priv->surfy, surface_priv->surfw, surface_priv->surfh};
 420       struct pipe_video_rect *src_rects[1] = {&src_rect};
 421       struct pipe_video_rect *dst_rects[1] = {&dst_rect};
 422
 423       XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p has subpicture %p.\n", surface, surface_priv->subpicture);
 424
 425       assert(subpicture_priv->surface == surface);
 426       vpipe->set_picture_layers(vpipe, &subpicture_priv->sfc, src_rects, dst_rects, 1);
 427
 428       surface_priv->subpicture = NULL;
 429       subpicture_priv->surface = NULL;
 430    }
 431    else
 432       vpipe->set_picture_layers(vpipe, NULL, NULL, NULL, 0);
 433
 434    vpipe->render_picture(vpipe, surface_priv->pipe_vsfc, PictureToPipe(flags), &src_rect,
 435                          drawable_surface, &dst_rect, &surface_priv->disp_fence);
 436
 437    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for display. Pushing to front buffer.\n", surface);
 438
 439    vpipe->screen->flush_frontbuffer
 440    (
 441       vpipe->screen,
 442       drawable_surface,
 443       vl_contextprivate_get(context_priv->vctx, drawable_surface)
 444    );
 445
 446    pipe_surface_reference(&drawable_surface, NULL);
 447
 448    XVMC_MSG(XVMC_TRACE, "[XvMC] Pushed surface %p to front buffer.\n", surface);
 449
 450    return Success;
 451 }
 452
 453 PUBLIC
 454 Status XvMCGetSurfaceStatus(Display *dpy, XvMCSurface *surface, int *status)
 455 {
 456    assert(dpy);
 457
 458    if (!surface)
 459       return XvMCBadSurface;
 460
 461    assert(status);
 462
 463    *status = 0;
 464
 465    return Success;
 466 }
 467
 468 PUBLIC
 469 Status XvMCDestroySurface(Display *dpy, XvMCSurface *surface)
 470 {
 471    XvMCSurfacePrivate *surface_priv;
 472
 473    XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying surface %p.\n", surface);
 474
 475    assert(dpy);
 476
 477    if (!surface || !surface->privData)
 478       return XvMCBadSurface;
 479
 480    surface_priv = surface->privData;
 481    pipe_surface_reference(&surface_priv->pipe_vsfc, NULL);
 482    FREE(surface_priv);
 483    surface->privData = NULL;
 484
 485    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p destroyed.\n", surface);
 486
 487    return Success;
 488 }
 489
 490 PUBLIC
 491 Status XvMCHideSurface(Display *dpy, XvMCSurface *surface)
 492 {
 493    assert(dpy);
 494
 495    if (!surface || !surface->privData)
 496       return XvMCBadSurface;
 497
 498    /* No op, only for overlaid rendering */
 499
 500    return Success;
 501 }