src/gallium/drivers/r600/radeon_video.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2013 Advanced Micro Devices, Inc.
   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 THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 /*
  29  * Authors:
  30  *      Christian König <christian.koenig@amd.com>
  31  *
  32  */
  33
  34 #include <unistd.h>
  35
  36 #include "util/u_memory.h"
  37 #include "util/u_video.h"
  38
  39 #include "vl/vl_defines.h"
  40 #include "vl/vl_video_buffer.h"
  41
  42 #include "r600_pipe_common.h"
  43 #include "radeon_video.h"
  44 #include "radeon_vce.h"
  45
  46 #define UVD_FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
  47
  48 /* generate an stream handle */
  49 unsigned rvid_alloc_stream_handle()
  50 {
  51         static unsigned counter = 0;
  52         unsigned stream_handle = 0;
  53         unsigned pid = getpid();
  54         int i;
  55
  56         for (i = 0; i < 32; ++i)
  57                 stream_handle |= ((pid >> i) & 1) << (31 - i);
  58
  59         stream_handle ^= ++counter;
  60         return stream_handle;
  61 }
  62
  63 /* create a buffer in the winsys */
  64 bool rvid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
  65                         unsigned size, unsigned usage)
  66 {
  67         memset(buffer, 0, sizeof(*buffer));
  68         buffer->usage = usage;
  69
  70         /* Hardware buffer placement restrictions require the kernel to be
  71          * able to move buffers around individually, so request a
  72          * non-sub-allocated buffer.
  73          */
  74         buffer->res = (struct r600_resource *)
  75                 pipe_buffer_create(screen, PIPE_BIND_SHARED,
  76                                    usage, size);
  77
  78         return buffer->res != NULL;
  79 }
  80
  81 /* destroy a buffer */
  82 void rvid_destroy_buffer(struct rvid_buffer *buffer)
  83 {
  84         r600_resource_reference(&buffer->res, NULL);
  85 }
  86
  87 /* reallocate a buffer, preserving its content */
  88 bool rvid_resize_buffer(struct pipe_screen *screen, struct radeon_cmdbuf *cs,
  89                         struct rvid_buffer *new_buf, unsigned new_size)
  90 {
  91         struct r600_common_screen *rscreen = (struct r600_common_screen *)screen;
  92         struct radeon_winsys* ws = rscreen->ws;
  93         unsigned bytes = MIN2(new_buf->res->buf->size, new_size);
  94         struct rvid_buffer old_buf = *new_buf;
  95         void *src = NULL, *dst = NULL;
  96
  97         if (!rvid_create_buffer(screen, new_buf, new_size, new_buf->usage))
  98                 goto error;
  99
 100         src = ws->buffer_map(old_buf.res->buf, cs, PIPE_TRANSFER_READ);
 101         if (!src)
 102                 goto error;
 103
 104         dst = ws->buffer_map(new_buf->res->buf, cs, PIPE_TRANSFER_WRITE);
 105         if (!dst)
 106                 goto error;
 107
 108         memcpy(dst, src, bytes);
 109         if (new_size > bytes) {
 110                 new_size -= bytes;
 111                 dst += bytes;
 112                 memset(dst, 0, new_size);
 113         }
 114         ws->buffer_unmap(new_buf->res->buf);
 115         ws->buffer_unmap(old_buf.res->buf);
 116         rvid_destroy_buffer(&old_buf);
 117         return true;
 118
 119 error:
 120         if (src)
 121                 ws->buffer_unmap(old_buf.res->buf);
 122         rvid_destroy_buffer(new_buf);
 123         *new_buf = old_buf;
 124         return false;
 125 }
 126
 127 /* clear the buffer with zeros */
 128 void rvid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer)
 129 {
 130         struct r600_common_context *rctx = (struct r600_common_context*)context;
 131
 132         rctx->dma_clear_buffer(context, &buffer->res->b.b, 0,
 133                                buffer->res->buf->size, 0);
 134         context->flush(context, NULL, 0);
 135 }
 136
 137 /**
 138  * join surfaces into the same buffer with identical tiling params
 139  * sumup their sizes and replace the backend buffers with a single bo
 140  */
 141 void rvid_join_surfaces(struct r600_common_context *rctx,
 142                         struct pb_buffer** buffers[VL_NUM_COMPONENTS],
 143                         struct radeon_surf *surfaces[VL_NUM_COMPONENTS])
 144 {
 145         struct radeon_winsys* ws;
 146         unsigned best_tiling, best_wh, off;
 147         unsigned size, alignment;
 148         struct pb_buffer *pb;
 149         unsigned i, j;
 150
 151         ws = rctx->ws;
 152
 153         for (i = 0, best_tiling = 0, best_wh = ~0; i < VL_NUM_COMPONENTS; ++i) {
 154                 unsigned wh;
 155
 156                 if (!surfaces[i])
 157                         continue;
 158
 159                 /* choose the smallest bank w/h for now */
 160                 wh = surfaces[i]->u.legacy.bankw * surfaces[i]->u.legacy.bankh;
 161                 if (wh < best_wh) {
 162                         best_wh = wh;
 163                         best_tiling = i;
 164                 }
 165         }
 166
 167         for (i = 0, off = 0; i < VL_NUM_COMPONENTS; ++i) {
 168                 if (!surfaces[i])
 169                         continue;
 170
 171                 /* adjust the texture layer offsets */
 172                 off = align(off, surfaces[i]->surf_alignment);
 173
 174                 /* copy the tiling parameters */
 175                 surfaces[i]->u.legacy.bankw = surfaces[best_tiling]->u.legacy.bankw;
 176                 surfaces[i]->u.legacy.bankh = surfaces[best_tiling]->u.legacy.bankh;
 177                 surfaces[i]->u.legacy.mtilea = surfaces[best_tiling]->u.legacy.mtilea;
 178                 surfaces[i]->u.legacy.tile_split = surfaces[best_tiling]->u.legacy.tile_split;
 179
 180                 for (j = 0; j < ARRAY_SIZE(surfaces[i]->u.legacy.level); ++j)
 181                         surfaces[i]->u.legacy.level[j].offset += off;
 182
 183                 off += surfaces[i]->surf_size;
 184         }
 185
 186         for (i = 0, size = 0, alignment = 0; i < VL_NUM_COMPONENTS; ++i) {
 187                 if (!buffers[i] || !*buffers[i])
 188                         continue;
 189
 190                 size = align(size, (*buffers[i])->alignment);
 191                 size += (*buffers[i])->size;
 192                 alignment = MAX2(alignment, (*buffers[i])->alignment * 1);
 193         }
 194
 195         if (!size)
 196                 return;
 197
 198         /* TODO: 2D tiling workaround */
 199         alignment *= 2;
 200
 201         pb = ws->buffer_create(ws, size, alignment, RADEON_DOMAIN_VRAM,
 202                                RADEON_FLAG_GTT_WC);
 203         if (!pb)
 204                 return;
 205
 206         for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 207                 if (!buffers[i] || !*buffers[i])
 208                         continue;
 209
 210                 pb_reference(buffers[i], pb);
 211         }
 212
 213         pb_reference(&pb, NULL);
 214 }
 215
 216 int rvid_get_video_param(struct pipe_screen *screen,
 217                          enum pipe_video_profile profile,
 218                          enum pipe_video_entrypoint entrypoint,
 219                          enum pipe_video_cap param)
 220 {
 221         struct r600_common_screen *rscreen = (struct r600_common_screen *)screen;
 222         enum pipe_video_format codec = u_reduce_video_profile(profile);
 223         struct radeon_info info;
 224
 225         rscreen->ws->query_info(rscreen->ws, &info);
 226
 227         if (entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE) {
 228                 switch (param) {
 229                 case PIPE_VIDEO_CAP_SUPPORTED:
 230                         return codec == PIPE_VIDEO_FORMAT_MPEG4_AVC &&
 231                                 rvce_is_fw_version_supported(rscreen);
 232                 case PIPE_VIDEO_CAP_NPOT_TEXTURES:
 233                         return 1;
 234                 case PIPE_VIDEO_CAP_MAX_WIDTH:
 235                         return 2048;
 236                 case PIPE_VIDEO_CAP_MAX_HEIGHT:
 237                         return 1152;
 238                 case PIPE_VIDEO_CAP_PREFERED_FORMAT:
 239                         return PIPE_FORMAT_NV12;
 240                 case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
 241                         return false;
 242                 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
 243                         return false;
 244                 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
 245                         return true;
 246                 case PIPE_VIDEO_CAP_STACKED_FRAMES:
 247                         return 1;
 248                 default:
 249                         return 0;
 250                 }
 251         }
 252
 253         switch (param) {
 254         case PIPE_VIDEO_CAP_SUPPORTED:
 255                 switch (codec) {
 256                 case PIPE_VIDEO_FORMAT_MPEG12:
 257                         return profile != PIPE_VIDEO_PROFILE_MPEG1;
 258                 case PIPE_VIDEO_FORMAT_MPEG4:
 259                         /* no support for MPEG4 on older hw */
 260                         return rscreen->family >= CHIP_PALM;
 261                 case PIPE_VIDEO_FORMAT_MPEG4_AVC:
 262                         return true;
 263                 case PIPE_VIDEO_FORMAT_VC1:
 264                         return true;
 265                 case PIPE_VIDEO_FORMAT_HEVC:
 266                         return false;
 267                 case PIPE_VIDEO_FORMAT_JPEG:
 268                         return false;
 269                 default:
 270                         return false;
 271                 }
 272         case PIPE_VIDEO_CAP_NPOT_TEXTURES:
 273                 return 1;
 274         case PIPE_VIDEO_CAP_MAX_WIDTH:
 275                 return 2048;
 276         case PIPE_VIDEO_CAP_MAX_HEIGHT:
 277                 return 1152;
 278         case PIPE_VIDEO_CAP_PREFERED_FORMAT:
 279                 if (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
 280                         return PIPE_FORMAT_P016;
 281                 else
 282                         return PIPE_FORMAT_NV12;
 283
 284         case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
 285         case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
 286                 if (rscreen->family < CHIP_PALM) {
 287                         /* MPEG2 only with shaders and no support for
 288                            interlacing on R6xx style UVD */
 289                         return codec != PIPE_VIDEO_FORMAT_MPEG12 &&
 290                                rscreen->family > CHIP_RV770;
 291                 } else {
 292                         enum pipe_video_format format = u_reduce_video_profile(profile);
 293
 294                         if (format == PIPE_VIDEO_FORMAT_HEVC)
 295                                 return false; //The firmware doesn't support interlaced HEVC.
 296                         else if (format == PIPE_VIDEO_FORMAT_JPEG)
 297                                 return false;
 298                         return true;
 299                 }
 300         case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
 301                 return true;
 302         case PIPE_VIDEO_CAP_MAX_LEVEL:
 303                 switch (profile) {
 304                 case PIPE_VIDEO_PROFILE_MPEG1:
 305                         return 0;
 306                 case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
 307                 case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
 308                         return 3;
 309                 case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
 310                         return 3;
 311                 case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
 312                         return 5;
 313                 case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
 314                         return 1;
 315                 case PIPE_VIDEO_PROFILE_VC1_MAIN:
 316                         return 2;
 317                 case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
 318                         return 4;
 319                 case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
 320                 case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
 321                 case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
 322                         return 41;
 323                 case PIPE_VIDEO_PROFILE_HEVC_MAIN:
 324                 case PIPE_VIDEO_PROFILE_HEVC_MAIN_10:
 325                         return 186;
 326                 default:
 327                         return 0;
 328                 }
 329         default:
 330                 return 0;
 331         }
 332 }
 333
 334 boolean rvid_is_format_supported(struct pipe_screen *screen,
 335                                  enum pipe_format format,
 336                                  enum pipe_video_profile profile,
 337                                  enum pipe_video_entrypoint entrypoint)
 338 {
 339         /* HEVC 10 bit decoding should use P016 instead of NV12 if possible */
 340         if (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
 341                 return (format == PIPE_FORMAT_NV12) ||
 342                         (format == PIPE_FORMAT_P016);
 343
 344         /* we can only handle this one with UVD */
 345         if (profile != PIPE_VIDEO_PROFILE_UNKNOWN)
 346                 return format == PIPE_FORMAT_NV12;
 347
 348         return vl_video_buffer_is_format_supported(screen, format, profile, entrypoint);
 349 }