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 <vl_winsys.h>
  32 #include <pipe/p_screen.h>
  33 #include <pipe/p_video_context.h>
  34 #include <pipe/p_state.h>
  35 #include <util/u_memory.h>
  36 #include <util/u_math.h>
  37 #include "xvmc_private.h"
  38
  39 #define FOURCC_RGB 0x0000003
  40
  41 Status XvMCCreateSubpicture(Display *dpy, XvMCContext *context, XvMCSubpicture *subpicture,
  42                             unsigned short width, unsigned short height, int xvimage_id)
  43 {
  44    XvMCContextPrivate *context_priv;
  45    XvMCSubpicturePrivate *subpicture_priv;
  46    struct pipe_video_context *vpipe;
  47    struct pipe_texture template;
  48    struct pipe_texture *tex;
  49
  50    XVMC_MSG(XVMC_TRACE, "[XvMC] Creating subpicture %p.\n", subpicture);
  51
  52    assert(dpy);
  53
  54    if (!context)
  55       return XvMCBadContext;
  56
  57    context_priv = context->privData;
  58    vpipe = context_priv->vctx->vpipe;
  59
  60    if (!subpicture)
  61       return XvMCBadSubpicture;
  62
  63    /* TODO: Check against surface max width, height */
  64    if (width > 2048 || height > 2048)
  65       return BadValue;
  66
  67    if (xvimage_id != FOURCC_RGB)
  68       return BadMatch;
  69
  70    subpicture_priv = CALLOC(1, sizeof(XvMCSubpicturePrivate));
  71    if (!subpicture_priv)
  72       return BadAlloc;
  73
  74    memset(&template, 0, sizeof(struct pipe_texture));
  75    template.target = PIPE_TEXTURE_2D;
  76    template.format = PIPE_FORMAT_X8R8G8B8_UNORM;
  77    template.last_level = 0;
  78    if (vpipe->screen->get_param(vpipe->screen, PIPE_CAP_NPOT_TEXTURES)) {
  79       template.width0 = width;
  80       template.height0 = height;
  81    }
  82    else {
  83       template.width0 = util_next_power_of_two(width);
  84       template.height0 = util_next_power_of_two(height);
  85    }
  86    template.depth0 = 1;
  87    template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER;
  88
  89    subpicture_priv->context = context;
  90    tex = vpipe->screen->texture_create(vpipe->screen, &template);
  91    subpicture_priv->sfc = vpipe->screen->get_tex_surface(vpipe->screen, tex, 0, 0, 0,
  92                                                          PIPE_BUFFER_USAGE_CPU_WRITE |
  93                                                          PIPE_BUFFER_USAGE_GPU_READ);
  94    pipe_texture_reference(&tex, NULL);
  95    if (!subpicture_priv->sfc)
  96    {
  97       FREE(subpicture_priv);
  98       return BadAlloc;
  99    }
 100
 101    subpicture->subpicture_id = XAllocID(dpy);
 102    subpicture->context_id = context->context_id;
 103    subpicture->xvimage_id = xvimage_id;
 104    subpicture->width = width;
 105    subpicture->height = height;
 106    subpicture->num_palette_entries = 0;
 107    subpicture->entry_bytes = 0;
 108    subpicture->component_order[0] = 0;
 109    subpicture->component_order[1] = 0;
 110    subpicture->component_order[2] = 0;
 111    subpicture->component_order[3] = 0;
 112    subpicture->privData = subpicture_priv;
 113
 114    SyncHandle();
 115
 116    XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p created.\n", subpicture);
 117
 118    return Success;
 119 }
 120
 121 Status XvMCClearSubpicture(Display *dpy, XvMCSubpicture *subpicture, short x, short y,
 122                            unsigned short width, unsigned short height, unsigned int color)
 123 {
 124    XvMCSubpicturePrivate *subpicture_priv;
 125    XvMCContextPrivate *context_priv;
 126
 127    assert(dpy);
 128
 129    if (!subpicture)
 130       return XvMCBadSubpicture;
 131
 132    subpicture_priv = subpicture->privData;
 133    context_priv = subpicture_priv->context->privData;
 134    /* TODO: Assert clear rect is within bounds? Or clip? */
 135    context_priv->vctx->vpipe->surface_fill(context_priv->vctx->vpipe,
 136                                            subpicture_priv->sfc, x, y,
 137                                            width, height, color);
 138
 139    return Success;
 140 }
 141
 142 Status XvMCCompositeSubpicture(Display *dpy, XvMCSubpicture *subpicture, XvImage *image,
 143                                short srcx, short srcy, unsigned short width, unsigned short height,
 144                                short dstx, short dsty)
 145 {
 146    XvMCSubpicturePrivate *subpicture_priv;
 147    XvMCContextPrivate *context_priv;
 148    struct pipe_screen *screen;
 149    struct pipe_transfer *xfer;
 150    unsigned char *src, *dst;
 151    unsigned x, y;
 152
 153    XVMC_MSG(XVMC_TRACE, "[XvMC] Compositing subpicture %p.\n", subpicture);
 154
 155    assert(dpy);
 156
 157    if (!subpicture)
 158       return XvMCBadSubpicture;
 159
 160    assert(image);
 161
 162    if (subpicture->xvimage_id != image->id)
 163       return BadMatch;
 164
 165    /* No planar support for now */
 166    if (image->num_planes != 1)
 167       return BadMatch;
 168
 169    subpicture_priv = subpicture->privData;
 170    context_priv = subpicture_priv->context->privData;
 171    screen = context_priv->vctx->vpipe->screen;
 172
 173    /* TODO: Assert rects are within bounds? Or clip? */
 174
 175    xfer = screen->get_tex_transfer(screen, subpicture_priv->sfc->texture, 0, 0, 0,
 176                                    PIPE_TRANSFER_WRITE, dstx, dsty, width, height);
 177    if (!xfer)
 178       return BadAlloc;
 179
 180    src = image->data;
 181    dst = screen->transfer_map(screen, xfer);
 182    if (!dst) {
 183       screen->tex_transfer_destroy(xfer);
 184       return BadAlloc;
 185    }
 186
 187    switch (image->id)
 188    {
 189       case FOURCC_RGB:
 190          assert(subpicture_priv->sfc->format == PIPE_FORMAT_X8R8G8B8_UNORM);
 191          for (y = 0; y < height; ++y) {
 192             for (x = 0; x < width; ++x, src += 3, dst += 4) {
 193                /* TODO: Confirm or fix */
 194                dst[0] = src[0];
 195                dst[1] = src[1];
 196                dst[2] = src[2];
 197             }
 198          }
 199          break;
 200       default:
 201          assert(false);
 202    }
 203
 204    screen->transfer_unmap(screen, xfer);
 205    screen->tex_transfer_destroy(xfer);
 206
 207    XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p composited.\n", subpicture);
 208
 209    return Success;
 210 }
 211
 212 Status XvMCDestroySubpicture(Display *dpy, XvMCSubpicture *subpicture)
 213 {
 214    XvMCSubpicturePrivate *subpicture_priv;
 215
 216    XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying subpicture %p.\n", subpicture);
 217
 218    assert(dpy);
 219
 220    if (!subpicture)
 221       return XvMCBadSubpicture;
 222
 223    subpicture_priv = subpicture->privData;
 224    pipe_surface_reference(&subpicture_priv->sfc, NULL);
 225    FREE(subpicture_priv);
 226
 227    XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p destroyed.\n", subpicture);
 228
 229    return Success;
 230 }
 231
 232 Status XvMCSetSubpicturePalette(Display *dpy, XvMCSubpicture *subpicture, unsigned char *palette)
 233 {
 234    assert(dpy);
 235
 236    if (!subpicture)
 237       return XvMCBadSubpicture;
 238
 239    assert(palette);
 240
 241    /* We don't support paletted subpictures */
 242    return BadMatch;
 243 }
 244
 245 Status XvMCBlendSubpicture(Display *dpy, XvMCSurface *target_surface, XvMCSubpicture *subpicture,
 246                            short subx, short suby, unsigned short subw, unsigned short subh,
 247                            short surfx, short surfy, unsigned short surfw, unsigned short surfh)
 248 {
 249    XvMCSurfacePrivate *surface_priv;
 250    XvMCSubpicturePrivate *subpicture_priv;
 251
 252    XVMC_MSG(XVMC_TRACE, "[XvMC] Associating subpicture %p with surface %p.\n", subpicture, target_surface);
 253
 254    assert(dpy);
 255
 256    if (!target_surface)
 257       return XvMCBadSurface;
 258
 259    if (!subpicture)
 260       return XvMCBadSubpicture;
 261
 262    if (target_surface->context_id != subpicture->context_id)
 263       return BadMatch;
 264
 265    /* TODO: Verify against subpicture independent scaling */
 266
 267    surface_priv = target_surface->privData;
 268    subpicture_priv = subpicture->privData;
 269
 270    /* TODO: Assert rects are within bounds? Or clip? */
 271
 272    surface_priv->subpicture = subpicture;
 273    surface_priv->subx = subx;
 274    surface_priv->suby = suby;
 275    surface_priv->subw = subw;
 276    surface_priv->subh = subh;
 277    surface_priv->surfx = surfx;
 278    surface_priv->surfy = surfy;
 279    surface_priv->surfw = surfw;
 280    surface_priv->surfh = surfh;
 281    subpicture_priv->surface = target_surface;
 282
 283    return Success;
 284 }
 285
 286 Status XvMCBlendSubpicture2(Display *dpy, XvMCSurface *source_surface, XvMCSurface *target_surface,
 287                             XvMCSubpicture *subpicture, short subx, short suby, unsigned short subw, unsigned short subh,
 288                             short surfx, short surfy, unsigned short surfw, unsigned short surfh)
 289 {
 290    assert(dpy);
 291
 292    if (!source_surface || !target_surface)
 293       return XvMCBadSurface;
 294
 295    if (!subpicture)
 296       return XvMCBadSubpicture;
 297
 298    if (source_surface->context_id != subpicture->context_id)
 299       return BadMatch;
 300
 301    if (source_surface->context_id != subpicture->context_id)
 302       return BadMatch;
 303
 304    /* TODO: Assert rects are within bounds? Or clip? */
 305
 306    return Success;
 307 }
 308
 309 Status XvMCSyncSubpicture(Display *dpy, XvMCSubpicture *subpicture)
 310 {
 311    assert(dpy);
 312
 313    if (!subpicture)
 314       return XvMCBadSubpicture;
 315
 316    return Success;
 317 }
 318
 319 Status XvMCFlushSubpicture(Display *dpy, XvMCSubpicture *subpicture)
 320 {
 321    assert(dpy);
 322
 323    if (!subpicture)
 324       return XvMCBadSubpicture;
 325
 326    return Success;
 327 }
 328
 329 Status XvMCGetSubpictureStatus(Display *dpy, XvMCSubpicture *subpicture, int *status)
 330 {
 331    assert(dpy);
 332
 333    if (!subpicture)
 334       return XvMCBadSubpicture;
 335
 336    assert(status);
 337
 338    /* TODO */
 339    *status = 0;
 340
 341    return Success;
 342 }