src/gallium/state_trackers/vdpau/surface.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 Thomas Balling Sørensen.
   4  * Copyright 2011 Christian König.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #include <assert.h>
  30
  31 #include "pipe/p_state.h"
  32
  33 #include "util/u_memory.h"
  34 #include "util/u_debug.h"
  35 #include "util/u_rect.h"
  36 #include "vl/vl_defines.h"
  37
  38 #include "vdpau_private.h"
  39
  40 /**
  41  * Create a VdpVideoSurface.
  42  */
  43 VdpStatus
  44 vlVdpVideoSurfaceCreate(VdpDevice device, VdpChromaType chroma_type,
  45                         uint32_t width, uint32_t height,
  46                         VdpVideoSurface *surface)
  47 {
  48    struct pipe_context *pipe;
  49    vlVdpSurface *p_surf;
  50    VdpStatus ret;
  51
  52    if (!(width && height)) {
  53       ret = VDP_STATUS_INVALID_SIZE;
  54       goto inv_size;
  55    }
  56
  57    p_surf = CALLOC(1, sizeof(vlVdpSurface));
  58    if (!p_surf) {
  59       ret = VDP_STATUS_RESOURCES;
  60       goto no_res;
  61    }
  62
  63    vlVdpDevice *dev = vlGetDataHTAB(device);
  64    if (!dev) {
  65       ret = VDP_STATUS_INVALID_HANDLE;
  66       goto inv_device;
  67    }
  68
  69    p_surf->device = dev;
  70    pipe = dev->context;
  71
  72    pipe_mutex_lock(dev->mutex);
  73    memset(&p_surf->templat, 0, sizeof(p_surf->templat));
  74    p_surf->templat.buffer_format = pipe->screen->get_video_param
  75    (
  76       pipe->screen,
  77       PIPE_VIDEO_PROFILE_UNKNOWN,
  78       PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
  79       PIPE_VIDEO_CAP_PREFERED_FORMAT
  80    );
  81    p_surf->templat.chroma_format = ChromaToPipe(chroma_type);
  82    p_surf->templat.width = width;
  83    p_surf->templat.height = height;
  84    p_surf->templat.interlaced = pipe->screen->get_video_param
  85    (
  86       pipe->screen,
  87       PIPE_VIDEO_PROFILE_UNKNOWN,
  88       PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
  89       PIPE_VIDEO_CAP_PREFERS_INTERLACED
  90    );
  91    if (p_surf->templat.buffer_format != PIPE_FORMAT_NONE)
  92       p_surf->video_buffer = pipe->create_video_buffer(pipe, &p_surf->templat);
  93
  94    /* do not mandate early allocation of a video buffer */
  95    vlVdpVideoSurfaceClear(p_surf);
  96    pipe_mutex_unlock(dev->mutex);
  97
  98    *surface = vlAddDataHTAB(p_surf);
  99    if (*surface == 0) {
 100       ret = VDP_STATUS_ERROR;
 101       goto no_handle;
 102    }
 103
 104    return VDP_STATUS_OK;
 105
 106 no_handle:
 107    p_surf->video_buffer->destroy(p_surf->video_buffer);
 108
 109 inv_device:
 110    FREE(p_surf);
 111
 112 no_res:
 113 inv_size:
 114    return ret;
 115 }
 116
 117 /**
 118  * Destroy a VdpVideoSurface.
 119  */
 120 VdpStatus
 121 vlVdpVideoSurfaceDestroy(VdpVideoSurface surface)
 122 {
 123    vlVdpSurface *p_surf;
 124
 125    p_surf = (vlVdpSurface *)vlGetDataHTAB((vlHandle)surface);
 126    if (!p_surf)
 127       return VDP_STATUS_INVALID_HANDLE;
 128
 129    pipe_mutex_lock(p_surf->device->mutex);
 130    if (p_surf->video_buffer)
 131       p_surf->video_buffer->destroy(p_surf->video_buffer);
 132    pipe_mutex_unlock(p_surf->device->mutex);
 133
 134    vlRemoveDataHTAB(surface);
 135    FREE(p_surf);
 136
 137    return VDP_STATUS_OK;
 138 }
 139
 140 /**
 141  * Retrieve the parameters used to create a VdpVideoSurface.
 142  */
 143 VdpStatus
 144 vlVdpVideoSurfaceGetParameters(VdpVideoSurface surface,
 145                                VdpChromaType *chroma_type,
 146                                uint32_t *width, uint32_t *height)
 147 {
 148    if (!(width && height && chroma_type))
 149       return VDP_STATUS_INVALID_POINTER;
 150
 151    vlVdpSurface *p_surf = vlGetDataHTAB(surface);
 152    if (!p_surf)
 153       return VDP_STATUS_INVALID_HANDLE;
 154
 155    if (p_surf->video_buffer) {
 156       *width = p_surf->video_buffer->width;
 157       *height = p_surf->video_buffer->height;
 158       *chroma_type = PipeToChroma(p_surf->video_buffer->chroma_format);
 159    } else {
 160       *width = p_surf->templat.width;
 161       *height = p_surf->templat.height;
 162       *chroma_type = PipeToChroma(p_surf->templat.chroma_format);
 163    }
 164
 165    return VDP_STATUS_OK;
 166 }
 167
 168 static void
 169 vlVdpVideoSurfaceSize(vlVdpSurface *p_surf, int component,
 170                       unsigned *width, unsigned *height)
 171 {
 172    *width = p_surf->templat.width;
 173    *height = p_surf->templat.height;
 174
 175    if (component > 0) {
 176       if (p_surf->templat.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
 177          *width /= 2;
 178          *height /= 2;
 179       } else if (p_surf->templat.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) {
 180          *width /= 2;
 181       }
 182    }
 183    if (p_surf->templat.interlaced)
 184       *height /= 2;
 185 }
 186
 187 /**
 188  * Copy image data from a VdpVideoSurface to application memory in a specified
 189  * YCbCr format.
 190  */
 191 VdpStatus
 192 vlVdpVideoSurfaceGetBitsYCbCr(VdpVideoSurface surface,
 193                               VdpYCbCrFormat destination_ycbcr_format,
 194                               void *const *destination_data,
 195                               uint32_t const *destination_pitches)
 196 {
 197    vlVdpSurface *vlsurface;
 198    struct pipe_context *pipe;
 199    enum pipe_format format;
 200    struct pipe_sampler_view **sampler_views;
 201    unsigned i, j;
 202
 203    vlsurface = vlGetDataHTAB(surface);
 204    if (!vlsurface)
 205       return VDP_STATUS_INVALID_HANDLE;
 206
 207    pipe = vlsurface->device->context;
 208    if (!pipe)
 209       return VDP_STATUS_INVALID_HANDLE;
 210
 211    format = FormatYCBCRToPipe(destination_ycbcr_format);
 212    if (format == PIPE_FORMAT_NONE)
 213        return VDP_STATUS_INVALID_Y_CB_CR_FORMAT;
 214
 215    if (vlsurface->video_buffer == NULL || format != vlsurface->video_buffer->buffer_format)
 216       return VDP_STATUS_NO_IMPLEMENTATION; /* TODO We don't support conversion (yet) */
 217
 218    pipe_mutex_lock(vlsurface->device->mutex);
 219    sampler_views = vlsurface->video_buffer->get_sampler_view_planes(vlsurface->video_buffer);
 220    if (!sampler_views) {
 221       pipe_mutex_unlock(vlsurface->device->mutex);
 222       return VDP_STATUS_RESOURCES;
 223    }
 224
 225    for (i = 0; i < 3; ++i) {
 226       unsigned width, height;
 227       struct pipe_sampler_view *sv = sampler_views[i];
 228       if (!sv) continue;
 229
 230       vlVdpVideoSurfaceSize(vlsurface, i, &width, &height);
 231
 232       for (j = 0; j < sv->texture->array_size; ++j) {
 233          struct pipe_box box = {
 234             0, 0, j,
 235             width, height, 1
 236          };
 237          struct pipe_transfer *transfer;
 238          uint8_t *map;
 239
 240          map = pipe->transfer_map(pipe, sv->texture, 0,
 241                                        PIPE_TRANSFER_READ, &box, &transfer);
 242          if (!map) {
 243             pipe_mutex_unlock(vlsurface->device->mutex);
 244             return VDP_STATUS_RESOURCES;
 245          }
 246
 247          util_copy_rect(destination_data[i] + destination_pitches[i] * j, sv->texture->format,
 248                         destination_pitches[i] * sv->texture->array_size, 0, 0,
 249                         box.width, box.height, map, transfer->stride, 0, 0);
 250
 251          pipe_transfer_unmap(pipe, transfer);
 252       }
 253    }
 254    pipe_mutex_unlock(vlsurface->device->mutex);
 255
 256    return VDP_STATUS_OK;
 257 }
 258
 259 /**
 260  * Copy image data from application memory in a specific YCbCr format to
 261  * a VdpVideoSurface.
 262  */
 263 VdpStatus
 264 vlVdpVideoSurfacePutBitsYCbCr(VdpVideoSurface surface,
 265                               VdpYCbCrFormat source_ycbcr_format,
 266                               void const *const *source_data,
 267                               uint32_t const *source_pitches)
 268 {
 269    enum pipe_format pformat = FormatYCBCRToPipe(source_ycbcr_format);
 270    struct pipe_context *pipe;
 271    struct pipe_sampler_view **sampler_views;
 272    unsigned i, j;
 273
 274    vlVdpSurface *p_surf = vlGetDataHTAB(surface);
 275    if (!p_surf)
 276       return VDP_STATUS_INVALID_HANDLE;
 277
 278    pipe = p_surf->device->context;
 279    if (!pipe)
 280       return VDP_STATUS_INVALID_HANDLE;
 281
 282    pipe_mutex_lock(p_surf->device->mutex);
 283    if (p_surf->video_buffer == NULL || pformat != p_surf->video_buffer->buffer_format) {
 284
 285       /* destroy the old one */
 286       if (p_surf->video_buffer)
 287          p_surf->video_buffer->destroy(p_surf->video_buffer);
 288
 289       /* adjust the template parameters */
 290       p_surf->templat.buffer_format = pformat;
 291
 292       /* and try to create the video buffer with the new format */
 293       p_surf->video_buffer = pipe->create_video_buffer(pipe, &p_surf->templat);
 294
 295       /* stil no luck? ok forget it we don't support it */
 296       if (!p_surf->video_buffer) {
 297          pipe_mutex_unlock(p_surf->device->mutex);
 298          return VDP_STATUS_NO_IMPLEMENTATION;
 299       }
 300       vlVdpVideoSurfaceClear(p_surf);
 301    }
 302
 303    sampler_views = p_surf->video_buffer->get_sampler_view_planes(p_surf->video_buffer);
 304    if (!sampler_views) {
 305       pipe_mutex_unlock(p_surf->device->mutex);
 306       return VDP_STATUS_RESOURCES;
 307    }
 308
 309    for (i = 0; i < 3; ++i) {
 310       unsigned width, height;
 311       struct pipe_sampler_view *sv = sampler_views[i];
 312       if (!sv || !source_pitches[i]) continue;
 313
 314       vlVdpVideoSurfaceSize(p_surf, i, &width, &height);
 315
 316       for (j = 0; j < sv->texture->array_size; ++j) {
 317          struct pipe_box dst_box = {
 318             0, 0, j,
 319             width, height, 1
 320          };
 321
 322          pipe->transfer_inline_write(pipe, sv->texture, 0,
 323                                      PIPE_TRANSFER_WRITE, &dst_box,
 324                                      source_data[i] + source_pitches[i] * j,
 325                                      source_pitches[i] * sv->texture->array_size,
 326                                      0);
 327       }
 328    }
 329    pipe_mutex_unlock(p_surf->device->mutex);
 330
 331    return VDP_STATUS_OK;
 332 }
 333
 334 /**
 335  * Helper function to initially clear the VideoSurface after (re-)creation
 336  */
 337 void
 338 vlVdpVideoSurfaceClear(vlVdpSurface *vlsurf)
 339 {
 340    struct pipe_context *pipe = vlsurf->device->context;
 341    struct pipe_surface **surfaces;
 342    unsigned i;
 343
 344    if (!vlsurf->video_buffer)
 345       return;
 346
 347    surfaces = vlsurf->video_buffer->get_surfaces(vlsurf->video_buffer);
 348    for (i = 0; i < VL_MAX_SURFACES; ++i) {
 349       union pipe_color_union c = {};
 350
 351       if (!surfaces[i])
 352          continue;
 353
 354       if (i > !!vlsurf->templat.interlaced)
 355          c.f[0] = c.f[1] = c.f[2] = c.f[3] = 0.5f;
 356
 357       pipe->clear_render_target(pipe, surfaces[i], &c, 0, 0,
 358                                 surfaces[i]->width, surfaces[i]->height);
 359    }
 360    pipe->flush(pipe, NULL, 0);
 361 }