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 <pipe/p_video_context.h>
  31 #include <pipe/p_video_state.h>
  32 #include <pipe/p_state.h>
  33 #include <util/u_memory.h>
  34 #include "xvmc_private.h"
  35
  36 static enum pipe_mpeg12_macroblock_type TypeToPipe(int xvmc_mb_type)
  37 {
  38    if (xvmc_mb_type & XVMC_MB_TYPE_INTRA)
  39       return PIPE_MPEG12_MACROBLOCK_TYPE_INTRA;
  40    if ((xvmc_mb_type & (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD)) == XVMC_MB_TYPE_MOTION_FORWARD)
  41       return PIPE_MPEG12_MACROBLOCK_TYPE_FWD;
  42    if ((xvmc_mb_type & (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD)) == XVMC_MB_TYPE_MOTION_BACKWARD)
  43       return PIPE_MPEG12_MACROBLOCK_TYPE_BKWD;
  44    if ((xvmc_mb_type & (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD)) == (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD))
  45       return PIPE_MPEG12_MACROBLOCK_TYPE_BI;
  46
  47    assert(0);
  48
  49    return -1;
  50 }
  51
  52 static enum pipe_mpeg12_picture_type PictureToPipe(int xvmc_pic)
  53 {
  54    switch (xvmc_pic) {
  55       case XVMC_TOP_FIELD:
  56          return PIPE_MPEG12_PICTURE_TYPE_FIELD_TOP;
  57       case XVMC_BOTTOM_FIELD:
  58          return PIPE_MPEG12_PICTURE_TYPE_FIELD_BOTTOM;
  59       case XVMC_FRAME_PICTURE:
  60          return PIPE_MPEG12_PICTURE_TYPE_FRAME;
  61       default:
  62          assert(0);
  63    }
  64
  65    return -1;
  66 }
  67
  68 static enum pipe_mpeg12_motion_type MotionToPipe(int xvmc_motion_type, int xvmc_dct_type)
  69 {
  70    switch (xvmc_motion_type) {
  71       case XVMC_PREDICTION_FRAME:
  72          return xvmc_dct_type == XVMC_DCT_TYPE_FIELD ?
  73             PIPE_MPEG12_MOTION_TYPE_16x8 : PIPE_MPEG12_MOTION_TYPE_FRAME;
  74       case XVMC_PREDICTION_FIELD:
  75          return PIPE_MPEG12_MOTION_TYPE_FIELD;
  76       case XVMC_PREDICTION_DUAL_PRIME:
  77          return PIPE_MPEG12_MOTION_TYPE_DUALPRIME;
  78       default:
  79          assert(0);
  80    }
  81
  82    return -1;
  83 }
  84
  85 static bool
  86 CreateOrResizeBackBuffer(struct pipe_video_context *vpipe, unsigned int width, unsigned int height,
  87                          struct pipe_surface **backbuffer)
  88 {
  89    struct pipe_texture template;
  90    struct pipe_texture *tex;
  91
  92    assert(vpipe);
  93
  94    if (*backbuffer) {
  95       if ((*backbuffer)->width != width || (*backbuffer)->height != height)
  96          pipe_surface_reference(backbuffer, NULL);
  97       else
  98          return true;
  99    }
 100
 101    memset(&template, 0, sizeof(struct pipe_texture));
 102    template.target = PIPE_TEXTURE_2D;
 103    /* XXX: Needs to match the drawable's format? */
 104    template.format = PIPE_FORMAT_X8R8G8B8_UNORM;
 105    template.last_level = 0;
 106    template.width0 = width;
 107    template.height0 = height;
 108    template.depth0 = 1;
 109    pf_get_block(template.format, &template.block);
 110    template.tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
 111
 112    tex = vpipe->screen->texture_create(vpipe->screen, &template);
 113    if (!tex)
 114       return false;
 115
 116    *backbuffer = vpipe->screen->get_tex_surface(vpipe->screen, tex, 0, 0, 0,
 117                                                 PIPE_BUFFER_USAGE_GPU_READ |
 118                                                 PIPE_BUFFER_USAGE_GPU_WRITE);
 119    pipe_texture_reference(&tex, NULL);
 120
 121    if (!*backbuffer)
 122       return false;
 123
 124    /* Clear the backbuffer in case the video doesn't cover the whole window */
 125    /* FIXME: Need to clear every time a frame moves and leaves dirty rects */
 126    vpipe->clear_surface(vpipe, 0, 0, width, height, 0, *backbuffer);
 127
 128    return true;
 129 }
 130
 131 static void
 132 MacroBlocksToPipe(const XvMCMacroBlockArray *xvmc_macroblocks,
 133                   const XvMCBlockArray *xvmc_blocks,
 134                   unsigned int first_macroblock,
 135                   unsigned int num_macroblocks,
 136                   struct pipe_mpeg12_macroblock *pipe_macroblocks)
 137 {
 138    unsigned int i, j, k, l;
 139    XvMCMacroBlock *xvmc_mb;
 140
 141    assert(xvmc_macroblocks);
 142    assert(xvmc_blocks);
 143    assert(pipe_macroblocks);
 144    assert(num_macroblocks);
 145
 146    xvmc_mb = xvmc_macroblocks->macro_blocks + first_macroblock;
 147
 148    for (i = 0; i < num_macroblocks; ++i) {
 149       pipe_macroblocks->base.codec = PIPE_VIDEO_CODEC_MPEG12;
 150       pipe_macroblocks->mbx = xvmc_mb->x;
 151       pipe_macroblocks->mby = xvmc_mb->y;
 152       pipe_macroblocks->mb_type = TypeToPipe(xvmc_mb->macroblock_type);
 153       if (pipe_macroblocks->mb_type != PIPE_MPEG12_MACROBLOCK_TYPE_INTRA)
 154          pipe_macroblocks->mo_type = MotionToPipe(xvmc_mb->motion_type, xvmc_mb->dct_type);
 155       /* Get rid of Valgrind 'undefined' warnings */
 156       else
 157          pipe_macroblocks->mo_type = -1;
 158       pipe_macroblocks->dct_type = xvmc_mb->dct_type == XVMC_DCT_TYPE_FIELD ?
 159          PIPE_MPEG12_DCT_TYPE_FIELD : PIPE_MPEG12_DCT_TYPE_FRAME;
 160
 161       for (j = 0; j < 2; ++j)
 162          for (k = 0; k < 2; ++k)
 163             for (l = 0; l < 2; ++l)
 164                pipe_macroblocks->pmv[j][k][l] = xvmc_mb->PMV[j][k][l];
 165
 166       pipe_macroblocks->cbp = xvmc_mb->coded_block_pattern;
 167       pipe_macroblocks->blocks = xvmc_blocks->blocks + xvmc_mb->index * BLOCK_SIZE_SAMPLES;
 168
 169       ++pipe_macroblocks;
 170       ++xvmc_mb;
 171    }
 172 }
 173
 174 Status XvMCCreateSurface(Display *dpy, XvMCContext *context, XvMCSurface *surface)
 175 {
 176    XvMCContextPrivate *context_priv;
 177    struct pipe_video_context *vpipe;
 178    XvMCSurfacePrivate *surface_priv;
 179    struct pipe_video_surface *vsfc;
 180
 181    assert(dpy);
 182
 183    if (!context)
 184       return XvMCBadContext;
 185    if (!surface)
 186       return XvMCBadSurface;
 187
 188    context_priv = context->privData;
 189    vpipe = context_priv->vpipe;
 190
 191    surface_priv = CALLOC(1, sizeof(XvMCSurfacePrivate));
 192    if (!surface_priv)
 193       return BadAlloc;
 194
 195    vsfc = vpipe->screen->video_surface_create(vpipe->screen, vpipe->chroma_format,
 196                                               vpipe->width, vpipe->height);
 197    if (!vsfc) {
 198       FREE(surface_priv);
 199       return BadAlloc;
 200    }
 201
 202    surface_priv->pipe_vsfc = vsfc;
 203    surface_priv->context = context;
 204
 205    surface->surface_id = XAllocID(dpy);
 206    surface->context_id = context->context_id;
 207    surface->surface_type_id = context->surface_type_id;
 208    surface->width = context->width;
 209    surface->height = context->height;
 210    surface->privData = surface_priv;
 211
 212    SyncHandle();
 213
 214    return Success;
 215 }
 216
 217 Status XvMCRenderSurface(Display *dpy, XvMCContext *context, unsigned int picture_structure,
 218                          XvMCSurface *target_surface, XvMCSurface *past_surface, XvMCSurface *future_surface,
 219                          unsigned int flags, unsigned int num_macroblocks, unsigned int first_macroblock,
 220                          XvMCMacroBlockArray *macroblocks, XvMCBlockArray *blocks
 221 )
 222 {
 223    struct pipe_video_context *vpipe;
 224    struct pipe_surface *t_vsfc;
 225    struct pipe_surface *p_vsfc;
 226    struct pipe_surface *f_vsfc;
 227    XvMCContextPrivate *context_priv;
 228    XvMCSurfacePrivate *target_surface_priv;
 229    XvMCSurfacePrivate *past_surface_priv;
 230    XvMCSurfacePrivate *future_surface_priv;
 231    struct pipe_mpeg12_macroblock pipe_macroblocks[num_macroblocks];
 232
 233    assert(dpy);
 234
 235    if (!context || !context->privData)
 236       return XvMCBadContext;
 237    if (!target_surface || !target_surface->privData)
 238       return XvMCBadSurface;
 239
 240    if (picture_structure != XVMC_TOP_FIELD &&
 241        picture_structure != XVMC_BOTTOM_FIELD &&
 242        picture_structure != XVMC_FRAME_PICTURE)
 243       return BadValue;
 244    /* Bkwd pred equivalent to fwd (past && !future) */
 245    if (future_surface && !past_surface)
 246       return BadMatch;
 247
 248    assert(context->context_id == target_surface->context_id);
 249    assert(!past_surface || context->context_id == past_surface->context_id);
 250    assert(!future_surface || context->context_id == future_surface->context_id);
 251
 252    assert(macroblocks);
 253    assert(blocks);
 254
 255    assert(macroblocks->context_id == context->context_id);
 256    assert(blocks->context_id == context->context_id);
 257
 258    assert(flags == 0 || flags == XVMC_SECOND_FIELD);
 259
 260    target_surface_priv = target_surface->privData;
 261    past_surface_priv = past_surface ? past_surface->privData : NULL;
 262    future_surface_priv = future_surface ? future_surface->privData : NULL;
 263
 264    assert(target_surface_priv->context == context);
 265    assert(!past_surface || past_surface_priv->context == context);
 266    assert(!future_surface || future_surface_priv->context == context);
 267
 268    context_priv = context->privData;
 269    vpipe = context_priv->vpipe;
 270
 271    t_vsfc = target_surface_priv->pipe_vsfc;
 272    p_vsfc = past_surface ? past_surface_priv->pipe_vsfc : NULL;
 273    f_vsfc = future_surface ? future_surface_priv->pipe_vsfc : NULL;
 274
 275    MacroBlocksToPipe(macroblocks, blocks, first_macroblock,
 276                      num_macroblocks, pipe_macroblocks);
 277
 278    vpipe->set_decode_target(vpipe, t_vsfc);
 279    vpipe->decode_macroblocks(vpipe, p_vsfc, f_vsfc, num_macroblocks,
 280                              &pipe_macroblocks->base, target_surface_priv->render_fence);
 281
 282    return Success;
 283 }
 284
 285 Status XvMCFlushSurface(Display *dpy, XvMCSurface *surface)
 286 {
 287    assert(dpy);
 288
 289    if (!surface)
 290       return XvMCBadSurface;
 291
 292    return Success;
 293 }
 294
 295 Status XvMCSyncSurface(Display *dpy, XvMCSurface *surface)
 296 {
 297    assert(dpy);
 298
 299    if (!surface)
 300       return XvMCBadSurface;
 301
 302    return Success;
 303 }
 304
 305 Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable,
 306                       short srcx, short srcy, unsigned short srcw, unsigned short srch,
 307                       short destx, short desty, unsigned short destw, unsigned short desth,
 308                       int flags)
 309 {
 310    Window root;
 311    int x, y;
 312    unsigned int width, height;
 313    unsigned int border_width;
 314    unsigned int depth;
 315    struct pipe_video_context *vpipe;
 316    XvMCSurfacePrivate *surface_priv;
 317    XvMCContextPrivate *context_priv;
 318    XvMCContext *context;
 319    struct pipe_video_rect src_rect = {srcx, srcy, srcw, srch};
 320    struct pipe_video_rect dst_rect = {destx, desty, destw, desth};
 321
 322    assert(dpy);
 323
 324    if (!surface || !surface->privData)
 325       return XvMCBadSurface;
 326
 327    if (XGetGeometry(dpy, drawable, &root, &x, &y, &width, &height, &border_width, &depth) == BadDrawable)
 328       return BadDrawable;
 329
 330    assert(flags == XVMC_TOP_FIELD || flags == XVMC_BOTTOM_FIELD || flags == XVMC_FRAME_PICTURE);
 331    assert(srcx + srcw - 1 < surface->width);
 332    assert(srcy + srch - 1 < surface->height);
 333    /*
 334     * Some apps (mplayer) hit these asserts because they call
 335     * this function after the window has been resized by the WM
 336     * but before they've handled the corresponding XEvent and
 337     * know about the new dimensions. The output should be clipped
 338     * until the app updates destw and desth.
 339     */
 340    /*
 341    assert(destx + destw - 1 < width);
 342    assert(desty + desth - 1 < height);
 343     */
 344
 345    surface_priv = surface->privData;
 346    context = surface_priv->context;
 347    context_priv = context->privData;
 348    vpipe = context_priv->vpipe;
 349
 350    if (!CreateOrResizeBackBuffer(vpipe, width, height, &context_priv->backbuffer))
 351       return BadAlloc;
 352
 353    vpipe->render_picture(vpipe, surface_priv->pipe_vsfc, PictureToPipe(flags), &src_rect,
 354                          context_priv->backbuffer, &dst_rect, surface_priv->disp_fence);
 355
 356    vl_video_bind_drawable(vpipe, drawable);
 357
 358    vpipe->screen->flush_frontbuffer
 359    (
 360       vpipe->screen,
 361       context_priv->backbuffer,
 362       vpipe->priv
 363    );
 364
 365    return Success;
 366 }
 367
 368 Status XvMCGetSurfaceStatus(Display *dpy, XvMCSurface *surface, int *status)
 369 {
 370    assert(dpy);
 371
 372    if (!surface)
 373       return XvMCBadSurface;
 374
 375    assert(status);
 376
 377    *status = 0;
 378
 379    return Success;
 380 }
 381
 382 Status XvMCDestroySurface(Display *dpy, XvMCSurface *surface)
 383 {
 384    XvMCSurfacePrivate *surface_priv;
 385
 386    assert(dpy);
 387
 388    if (!surface || !surface->privData)
 389       return XvMCBadSurface;
 390
 391    surface_priv = surface->privData;
 392    pipe_video_surface_reference(&surface_priv->pipe_vsfc, NULL);
 393    FREE(surface_priv);
 394    surface->privData = NULL;
 395
 396    return Success;
 397 }
 398
 399 Status XvMCHideSurface(Display *dpy, XvMCSurface *surface)
 400 {
 401    assert(dpy);
 402
 403    if (!surface || !surface->privData)
 404       return XvMCBadSurface;
 405
 406    /* No op, only for overlaid rendering */
 407
 408    return Success;
 409 }