src/gen6_mfc.c

   1 /*
   2  * Copyright © 2010-2011 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sub license, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  19  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  20  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  21  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  22  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Zhou Chang <chang.zhou@intel.com>
  26  *
  27  */
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <assert.h>
  33
  34 #include "assert.h"
  35 #include "intel_batchbuffer.h"
  36 #include "i965_defines.h"
  37 #include "i965_structs.h"
  38 #include "i965_drv_video.h"
  39 #include "i965_encoder.h"
  40 #include "i965_encoder_utils.h"
  41
  42 static void
  43 gen6_mfc_pipe_mode_select(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
  44 {
  45     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
  46
  47     BEGIN_BCS_BATCH(batch, 4);
  48
  49     OUT_BCS_BATCH(batch, MFX_PIPE_MODE_SELECT | (4 - 2));
  50     OUT_BCS_BATCH(batch,
  51                   (1 << 10) | /* disable Stream-Out , advanced QP/bitrate control need enable it*/
  52                   (1 << 9)  | /* Post Deblocking Output */
  53                   (0 << 8)  | /* Pre Deblocking Output */
  54                   (0 << 7)  | /* disable TLB prefectch */
  55                   (0 << 5)  | /* not in stitch mode */
  56                   (1 << 4)  | /* encoding mode */
  57                   (2 << 0));  /* Standard Select: AVC */
  58     OUT_BCS_BATCH(batch,
  59                   (0 << 20) | /* round flag in PB slice */
  60                   (0 << 19) | /* round flag in Intra8x8 */
  61                   (0 << 7)  | /* expand NOA bus flag */
  62                   (1 << 6)  | /* must be 1 */
  63                   (0 << 5)  | /* disable clock gating for NOA */
  64                   (0 << 4)  | /* terminate if AVC motion and POC table error occurs */
  65                   (0 << 3)  | /* terminate if AVC mbdata error occurs */
  66                   (0 << 2)  | /* terminate if AVC CABAC/CAVLC decode error occurs */
  67                   (0 << 1)  | /* AVC long field motion vector */
  68                   (0 << 0));  /* always calculate AVC ILDB boundary strength */
  69     OUT_BCS_BATCH(batch, 0);
  70
  71     ADVANCE_BCS_BATCH(batch);
  72 }
  73
  74 static void
  75 gen7_mfc_pipe_mode_select(VADriverContextP ctx,
  76                           int standard_select,
  77                           struct gen6_encoder_context *gen6_encoder_context)
  78 {
  79     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
  80
  81     assert(standard_select == MFX_FORMAT_MPEG2 ||
  82            standard_select == MFX_FORMAT_AVC);
  83
  84     BEGIN_BCS_BATCH(batch, 5);
  85     OUT_BCS_BATCH(batch, MFX_PIPE_MODE_SELECT | (5 - 2));
  86     OUT_BCS_BATCH(batch,
  87                   (MFX_LONG_MODE << 17) | /* Must be long format for encoder */
  88                   (MFD_MODE_VLD << 15) | /* VLD mode */
  89                   (0 << 10) | /* disable Stream-Out */
  90                   (1 << 9)  | /* Post Deblocking Output */
  91                   (0 << 8)  | /* Pre Deblocking Output */
  92                   (0 << 5)  | /* not in stitch mode */
  93                   (1 << 4)  | /* encoding mode */
  94                   (standard_select << 0));  /* standard select: avc or mpeg2 */
  95     OUT_BCS_BATCH(batch,
  96                   (0 << 7)  | /* expand NOA bus flag */
  97                   (0 << 6)  | /* disable slice-level clock gating */
  98                   (0 << 5)  | /* disable clock gating for NOA */
  99                   (0 << 4)  | /* terminate if AVC motion and POC table error occurs */
 100                   (0 << 3)  | /* terminate if AVC mbdata error occurs */
 101                   (0 << 2)  | /* terminate if AVC CABAC/CAVLC decode error occurs */
 102                   (0 << 1)  |
 103                   (0 << 0));
 104     OUT_BCS_BATCH(batch, 0);
 105     OUT_BCS_BATCH(batch, 0);
 106
 107     ADVANCE_BCS_BATCH(batch);
 108 }
 109
 110 static void
 111 gen6_mfc_surface_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 112 {
 113     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 114     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 115
 116     BEGIN_BCS_BATCH(batch, 6);
 117
 118     OUT_BCS_BATCH(batch, MFX_SURFACE_STATE | (6 - 2));
 119     OUT_BCS_BATCH(batch, 0);
 120     OUT_BCS_BATCH(batch,
 121                   ((mfc_context->surface_state.height - 1) << 19) |
 122                   ((mfc_context->surface_state.width - 1) << 6));
 123     OUT_BCS_BATCH(batch,
 124                   (MFX_SURFACE_PLANAR_420_8 << 28) | /* 420 planar YUV surface */
 125                   (1 << 27) | /* must be 1 for interleave U/V, hardware requirement */
 126                   (0 << 22) | /* surface object control state, FIXME??? */
 127                   ((mfc_context->surface_state.w_pitch - 1) << 3) | /* pitch */
 128                   (0 << 2)  | /* must be 0 for interleave U/V */
 129                   (1 << 1)  | /* must be y-tiled */
 130                   (I965_TILEWALK_YMAJOR << 0));                         /* tile walk, TILEWALK_YMAJOR */
 131     OUT_BCS_BATCH(batch,
 132                   (0 << 16) |                                                           /* must be 0 for interleave U/V */
 133                   (mfc_context->surface_state.h_pitch));                /* y offset for U(cb) */
 134     OUT_BCS_BATCH(batch, 0);
 135     ADVANCE_BCS_BATCH(batch);
 136 }
 137
 138 static void
 139 gen7_mfc_surface_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 140 {
 141     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 142     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 143
 144     BEGIN_BCS_BATCH(batch, 6);
 145
 146     OUT_BCS_BATCH(batch, MFX_SURFACE_STATE | (6 - 2));
 147     OUT_BCS_BATCH(batch, 0);
 148     OUT_BCS_BATCH(batch,
 149                   ((mfc_context->surface_state.height - 1) << 18) |
 150                   ((mfc_context->surface_state.width - 1) << 4));
 151     OUT_BCS_BATCH(batch,
 152                   (MFX_SURFACE_PLANAR_420_8 << 28) | /* 420 planar YUV surface */
 153                   (1 << 27) | /* must be 1 for interleave U/V, hardware requirement */
 154                   (0 << 22) | /* surface object control state, FIXME??? */
 155                   ((mfc_context->surface_state.w_pitch - 1) << 3) | /* pitch */
 156                   (0 << 2)  | /* must be 0 for interleave U/V */
 157                   (1 << 1)  | /* must be tiled */
 158                   (I965_TILEWALK_YMAJOR << 0));  /* tile walk, TILEWALK_YMAJOR */
 159     OUT_BCS_BATCH(batch,
 160                   (0 << 16) |                                                           /* must be 0 for interleave U/V */
 161                   (mfc_context->surface_state.h_pitch));                /* y offset for U(cb) */
 162     OUT_BCS_BATCH(batch, 0);
 163     ADVANCE_BCS_BATCH(batch);
 164 }
 165
 166 static void
 167 gen6_mfc_pipe_buf_addr_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 168 {
 169     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 170     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 171     int i;
 172
 173     BEGIN_BCS_BATCH(batch, 24);
 174
 175     OUT_BCS_BATCH(batch, MFX_PIPE_BUF_ADDR_STATE | (24 - 2));
 176
 177     OUT_BCS_BATCH(batch, 0);                                                                                    /* pre output addr   */
 178
 179     OUT_BCS_RELOC(batch, mfc_context->post_deblocking_output.bo,
 180                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 181                   0);                                                                                   /* post output addr  */
 182
 183     OUT_BCS_RELOC(batch, mfc_context->uncompressed_picture_source.bo,
 184                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 185                   0);                                                                                   /* uncompressed data */
 186     OUT_BCS_RELOC(batch, mfc_context->macroblock_status_buffer.bo,
 187                                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 188                                   0);                                                                                   /* StreamOut data*/
 189     OUT_BCS_RELOC(batch, mfc_context->intra_row_store_scratch_buffer.bo,
 190                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 191                   0);
 192     OUT_BCS_RELOC(batch, mfc_context->deblocking_filter_row_store_scratch_buffer.bo,
 193                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 194                   0);
 195     /* 7..22 Reference pictures*/
 196     for (i = 0; i < ARRAY_ELEMS(mfc_context->reference_surfaces); i++) {
 197         if ( mfc_context->reference_surfaces[i].bo != NULL) {
 198             OUT_BCS_RELOC(batch, mfc_context->reference_surfaces[i].bo,
 199                           I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 200                           0);
 201         } else {
 202             OUT_BCS_BATCH(batch, 0);
 203         }
 204     }
 205     OUT_BCS_RELOC(batch, mfc_context->macroblock_status_buffer.bo,
 206                                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 207                                   0);                                                                                   /* Macroblock status buffer*/
 208
 209     ADVANCE_BCS_BATCH(batch);
 210 }
 211
 212 static void
 213 gen6_mfc_ind_obj_base_addr_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 214 {
 215     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 216     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 217     struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
 218
 219     BEGIN_BCS_BATCH(batch, 11);
 220
 221     OUT_BCS_BATCH(batch, MFX_IND_OBJ_BASE_ADDR_STATE | (11 - 2));
 222     OUT_BCS_BATCH(batch, 0);
 223     OUT_BCS_BATCH(batch, 0);
 224     /* MFX Indirect MV Object Base Address */
 225     OUT_BCS_RELOC(batch, vme_context->vme_output.bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
 226     OUT_BCS_BATCH(batch, 0);
 227     OUT_BCS_BATCH(batch, 0);
 228     OUT_BCS_BATCH(batch, 0);
 229     OUT_BCS_BATCH(batch, 0);
 230     OUT_BCS_BATCH(batch, 0);
 231     /*MFC Indirect PAK-BSE Object Base Address for Encoder*/
 232     OUT_BCS_RELOC(batch,
 233                   mfc_context->mfc_indirect_pak_bse_object.bo,
 234                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 235                   0);
 236     OUT_BCS_RELOC(batch,
 237                   mfc_context->mfc_indirect_pak_bse_object.bo,
 238                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 239                   mfc_context->mfc_indirect_pak_bse_object.end_offset);
 240
 241     ADVANCE_BCS_BATCH(batch);
 242 }
 243
 244 static void
 245 gen7_mfc_ind_obj_base_addr_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 246 {
 247     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 248     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 249     struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
 250
 251     BEGIN_BCS_BATCH(batch, 11);
 252
 253     OUT_BCS_BATCH(batch, MFX_IND_OBJ_BASE_ADDR_STATE | (11 - 2));
 254     OUT_BCS_BATCH(batch, 0);
 255     OUT_BCS_BATCH(batch, 0);
 256     /* MFX Indirect MV Object Base Address */
 257     OUT_BCS_RELOC(batch, vme_context->vme_output.bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
 258     OUT_BCS_BATCH(batch, 0x80000000); /* must set, up to 2G */
 259     OUT_BCS_BATCH(batch, 0);
 260     OUT_BCS_BATCH(batch, 0);
 261     OUT_BCS_BATCH(batch, 0);
 262     OUT_BCS_BATCH(batch, 0);
 263     /*MFC Indirect PAK-BSE Object Base Address for Encoder*/
 264     OUT_BCS_RELOC(batch,
 265                   mfc_context->mfc_indirect_pak_bse_object.bo,
 266                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 267                   0);
 268     OUT_BCS_RELOC(batch,
 269                   mfc_context->mfc_indirect_pak_bse_object.bo,
 270                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 271                   mfc_context->mfc_indirect_pak_bse_object.end_offset);
 272
 273     ADVANCE_BCS_BATCH(batch);
 274 }
 275
 276 static void
 277 gen6_mfc_bsp_buf_base_addr_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 278 {
 279     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 280     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 281
 282     BEGIN_BCS_BATCH(batch, 4);
 283
 284     OUT_BCS_BATCH(batch, MFX_BSP_BUF_BASE_ADDR_STATE | (4 - 2));
 285     OUT_BCS_RELOC(batch, mfc_context->bsd_mpc_row_store_scratch_buffer.bo,
 286                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 287                   0);
 288     OUT_BCS_BATCH(batch, 0);
 289     OUT_BCS_BATCH(batch, 0);
 290
 291     ADVANCE_BCS_BATCH(batch);
 292 }
 293
 294 static void
 295 gen6_mfc_avc_img_state(VADriverContextP ctx,struct encode_state *encode_state,
 296                        struct gen6_encoder_context *gen6_encoder_context)
 297 {
 298     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 299     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 300     VAEncSequenceParameterBufferH264Ext *pSequenceParameter = (VAEncSequenceParameterBufferH264Ext *)encode_state->seq_param_ext->buffer;
 301     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
 302     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
 303
 304     BEGIN_BCS_BATCH(batch, 13);
 305     OUT_BCS_BATCH(batch, MFX_AVC_IMG_STATE | (13 - 2));
 306     OUT_BCS_BATCH(batch,
 307                   ((width_in_mbs * height_in_mbs) & 0xFFFF));
 308     OUT_BCS_BATCH(batch,
 309                   (height_in_mbs << 16) |
 310                   (width_in_mbs << 0));
 311     OUT_BCS_BATCH(batch,
 312                   (0 << 24) |     /*Second Chroma QP Offset*/
 313                   (0 << 16) |     /*Chroma QP Offset*/
 314                   (0 << 14) |   /*Max-bit conformance Intra flag*/
 315                   (0 << 13) |   /*Max Macroblock size conformance Inter flag*/
 316                   (1 << 12) |   /*Should always be written as "1" */
 317                   (0 << 10) |   /*QM Preset FLag */
 318                   (0 << 8)  |   /*Image Structure*/
 319                   (0 << 0) );   /*Current Decoed Image Frame Store ID, reserved in Encode mode*/
 320     OUT_BCS_BATCH(batch,
 321                   (400 << 16) |   /*Mininum Frame size*/
 322                   (0 << 15) |   /*Disable reading of Macroblock Status Buffer*/
 323                   (0 << 14) |   /*Load BitStream Pointer only once, 1 slic 1 frame*/
 324                   (0 << 13) |   /*CABAC 0 word insertion test enable*/
 325                   (1 << 12) |   /*MVUnpackedEnable,compliant to DXVA*/
 326                   (1 << 10) |   /*Chroma Format IDC, 4:2:0*/
 327                   (1 << 7)  |   /*0:CAVLC encoding mode,1:CABAC*/
 328                   (0 << 6)  |   /*Only valid for VLD decoding mode*/
 329                   (0 << 5)  |   /*Constrained Intra Predition Flag, from PPS*/
 330                   (pSequenceParameter->direct_8x8_inference_flag << 4)  |   /*Direct 8x8 inference flag*/
 331                   (0 << 3)  |   /*Only 8x8 IDCT Transform Mode Flag*/
 332                   (1 << 2)  |   /*Frame MB only flag*/
 333                   (0 << 1)  |   /*MBAFF mode is in active*/
 334                   (0 << 0) );   /*Field picture flag*/
 335     OUT_BCS_BATCH(batch,
 336                   (1<<16)   |   /*Frame Size Rate Control Flag*/
 337                   (1<<12)   |
 338                   (1<<9)    |   /*MB level Rate Control Enabling Flag*/
 339                   (1 << 3)  |   /*FrameBitRateMinReportMask*/
 340                   (1 << 2)  |   /*FrameBitRateMaxReportMask*/
 341                   (1 << 1)  |   /*InterMBMaxSizeReportMask*/
 342                   (1 << 0) );   /*IntraMBMaxSizeReportMask*/
 343     OUT_BCS_BATCH(batch,                        /*Inter and Intra Conformance Max size limit*/
 344                   (0x0600 << 16) |              /*InterMbMaxSz 192 Byte*/
 345                   (0x0800) );                   /*IntraMbMaxSz 256 Byte*/
 346     OUT_BCS_BATCH(batch, 0x00000000);   /*Reserved : MBZReserved*/
 347     OUT_BCS_BATCH(batch, 0x01020304);   /*Slice QP Delta for bitrate control*/
 348     OUT_BCS_BATCH(batch, 0xFEFDFCFB);
 349     OUT_BCS_BATCH(batch, 0x80601004);   /*MAX = 128KB, MIN = 64KB*/
 350     OUT_BCS_BATCH(batch, 0x00800001);
 351     OUT_BCS_BATCH(batch, 0);
 352
 353     ADVANCE_BCS_BATCH(batch);
 354 }
 355
 356 static void
 357 gen7_mfc_avc_img_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 358 {
 359     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 360     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 361
 362     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
 363     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
 364
 365     BEGIN_BCS_BATCH(batch, 16);
 366     OUT_BCS_BATCH(batch, MFX_AVC_IMG_STATE | (16 - 2));
 367     OUT_BCS_BATCH(batch,
 368                   ((width_in_mbs * height_in_mbs) & 0xFFFF));
 369     OUT_BCS_BATCH(batch,
 370                   ((height_in_mbs - 1) << 16) |
 371                   ((width_in_mbs - 1) << 0));
 372     OUT_BCS_BATCH(batch,
 373                   (0 << 24) |   /* Second Chroma QP Offset */
 374                   (0 << 16) |   /* Chroma QP Offset */
 375                   (0 << 14) |   /* Max-bit conformance Intra flag */
 376                   (0 << 13) |   /* Max Macroblock size conformance Inter flag */
 377                   (0 << 12) |   /* FIXME: Weighted_Pred_Flag */
 378                   (0 << 10) |   /* FIXME: Weighted_BiPred_Idc */
 379                   (0 << 8)  |   /* FIXME: Image Structure */
 380                   (0 << 0) );   /* Current Decoed Image Frame Store ID, reserved in Encode mode */
 381     OUT_BCS_BATCH(batch,
 382                   (0 << 16) |   /* Mininum Frame size */
 383                   (0 << 15) |   /* Disable reading of Macroblock Status Buffer */
 384                   (0 << 14) |   /* Load BitStream Pointer only once, 1 slic 1 frame */
 385                   (0 << 13) |   /* CABAC 0 word insertion test enable */
 386                   (1 << 12) |   /* MVUnpackedEnable,compliant to DXVA */
 387                   (1 << 10) |   /* Chroma Format IDC, 4:2:0 */
 388                   (0 << 9)  |   /* FIXME: MbMvFormatFlag */
 389                   (1 << 7)  |   /* 0:CAVLC encoding mode,1:CABAC */
 390                   (0 << 6)  |   /* Only valid for VLD decoding mode */
 391                   (0 << 5)  |   /* Constrained Intra Predition Flag, from PPS */
 392                   (0 << 4)  |   /* Direct 8x8 inference flag */
 393                   (0 << 3)  |   /* Only 8x8 IDCT Transform Mode Flag */
 394                   (1 << 2)  |   /* Frame MB only flag */
 395                   (0 << 1)  |   /* MBAFF mode is in active */
 396                   (0 << 0));    /* Field picture flag */
 397     OUT_BCS_BATCH(batch, 0);    /* Mainly about MB rate control and debug, just ignoring */
 398     OUT_BCS_BATCH(batch,        /* Inter and Intra Conformance Max size limit */
 399                   (0xBB8 << 16) |       /* InterMbMaxSz */
 400                   (0xEE8) );            /* IntraMbMaxSz */
 401     OUT_BCS_BATCH(batch, 0);            /* Reserved */
 402     OUT_BCS_BATCH(batch, 0);            /* Slice QP Delta for bitrate control */
 403     OUT_BCS_BATCH(batch, 0);            /* Slice QP Delta for bitrate control */
 404     OUT_BCS_BATCH(batch, 0x8C000000);
 405     OUT_BCS_BATCH(batch, 0x00010000);
 406     OUT_BCS_BATCH(batch, 0);
 407     OUT_BCS_BATCH(batch, 0);
 408     OUT_BCS_BATCH(batch, 0);
 409     OUT_BCS_BATCH(batch, 0);
 410
 411     ADVANCE_BCS_BATCH(batch);
 412 }
 413
 414 static void gen6_mfc_avc_directmode_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 415 {
 416     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 417     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 418
 419     int i;
 420
 421     BEGIN_BCS_BATCH(batch, 69);
 422
 423     OUT_BCS_BATCH(batch, MFX_AVC_DIRECTMODE_STATE | (69 - 2));
 424
 425     /* Reference frames and Current frames */
 426     for(i = 0; i < NUM_MFC_DMV_BUFFERS; i++) {
 427         if ( mfc_context->direct_mv_buffers[i].bo != NULL) {
 428             OUT_BCS_RELOC(batch, mfc_context->direct_mv_buffers[i].bo,
 429                   I915_GEM_DOMAIN_INSTRUCTION, 0,
 430                   0);
 431          } else {
 432              OUT_BCS_BATCH(batch, 0);
 433          }
 434     }
 435
 436     /* POL list */
 437     for(i = 0; i < 32; i++) {
 438         OUT_BCS_BATCH(batch, i/2);
 439     }
 440     OUT_BCS_BATCH(batch, 0);
 441     OUT_BCS_BATCH(batch, 0);
 442
 443     ADVANCE_BCS_BATCH(batch);
 444 }
 445
 446 static void gen6_mfc_avc_slice_state(VADriverContextP ctx,
 447                                      int slice_type,
 448                                      struct encode_state *encode_state,
 449                                      struct gen6_encoder_context *gen6_encoder_context,
 450                                      int rate_control_enable,
 451                                      int qp)
 452 {
 453     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 454     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 455     VAEncSliceParameterBufferH264Ext *pSliceParameter = (VAEncSliceParameterBufferH264Ext *)encode_state->slice_params_ext[0]->buffer; /* TODO: multi slices support */
 456     int bit_rate_control_target;
 457     if ( slice_type == SLICE_TYPE_I )
 458         bit_rate_control_target = 0;
 459     else
 460         bit_rate_control_target = 1;
 461     int maxQpN = mfc_context->bit_rate_control_context[bit_rate_control_target].MaxQpNegModifier;
 462     int maxQpP = mfc_context->bit_rate_control_context[bit_rate_control_target].MaxQpPosModifier;
 463     unsigned char correct[6];
 464     int i;
 465
 466     for (i = 0; i < 6; i++)
 467         correct[i] = mfc_context->bit_rate_control_context[bit_rate_control_target].Correct[i];
 468     unsigned char grow = mfc_context->bit_rate_control_context[bit_rate_control_target].GrowInit +
 469                          (mfc_context->bit_rate_control_context[bit_rate_control_target].GrowResistance << 4);
 470     unsigned char shrink = mfc_context->bit_rate_control_context[bit_rate_control_target].ShrinkInit +
 471                          (mfc_context->bit_rate_control_context[bit_rate_control_target].ShrinkResistance << 4);
 472
 473     BEGIN_BCS_BATCH(batch, 11);;
 474
 475     OUT_BCS_BATCH(batch, MFX_AVC_SLICE_STATE | (11 - 2) );
 476
 477         OUT_BCS_BATCH(batch, slice_type);                       /*Slice Type: I:P:B Slice*/
 478
 479     if ( slice_type == SLICE_TYPE_I ) {
 480         OUT_BCS_BATCH(batch, 0);                        /*no reference frames and pred_weight_table*/
 481     } else {
 482         OUT_BCS_BATCH(batch, 0x00010000);       /*1 reference frame*/
 483     }
 484
 485     OUT_BCS_BATCH(batch,
 486                   (pSliceParameter->direct_spatial_mv_pred_flag<<29) |             /*Direct Prediction Type*/
 487                   (0<<24) |                /*Enable deblocking operation*/
 488                   (qp<<16) |                    /*Slice Quantization Parameter*/
 489                   0x0202 );
 490     OUT_BCS_BATCH(batch, 0);                    /*First MB X&Y , the postion of current slice*/
 491     OUT_BCS_BATCH(batch, ( ((mfc_context->surface_state.height+15)/16) << 16) );
 492
 493     OUT_BCS_BATCH(batch,
 494                   (rate_control_enable<<31) |           /*in CBR mode RateControlCounterEnable = enable*/
 495                   (1<<30) |             /*ResetRateControlCounter*/
 496                   (0<<28) |             /*RC Triggle Mode = Always Rate Control*/
 497                   (4<<24) |     /*RC Stable Tolerance, middle level*/
 498                   (rate_control_enable<<23) |     /*RC Panic Enable*/
 499                   (0<<22) |     /*QP mode, don't modfiy CBP*/
 500                   (0<<21) |     /*MB Type Direct Conversion Enabled*/
 501                   (0<<20) |     /*MB Type Skip Conversion Enabled*/
 502                   (1<<19) |     /*IsLastSlice*/
 503                   (0<<18) |     /*BitstreamOutputFlag Compressed BitStream Output Disable Flag 0:enable 1:disable*/
 504                   (1<<17) |         /*HeaderPresentFlag*/
 505                   (1<<16) |         /*SliceData PresentFlag*/
 506                   (1<<15) |         /*TailPresentFlag*/
 507                   (1<<13) |         /*RBSP NAL TYPE*/
 508                   (0<<12) );    /*CabacZeroWordInsertionEnable*/
 509
 510     OUT_BCS_BATCH(batch, mfc_context->mfc_indirect_pak_bse_object.offset);
 511
 512     OUT_BCS_BATCH(batch, (maxQpN<<24) |     /*Target QP - 24 is lowest QP*/
 513                          (maxQpP<<16) |     /*Target QP + 20 is highest QP*/
 514                          (shrink<<8)  |
 515                          (grow<<0));
 516     OUT_BCS_BATCH(batch, (correct[5] << 20) |
 517                          (correct[4] << 16) |
 518                          (correct[3] << 12) |
 519                          (correct[2] << 8) |
 520                          (correct[1] << 4) |
 521                          (correct[0] << 0));
 522     OUT_BCS_BATCH(batch, 0);
 523
 524     ADVANCE_BCS_BATCH(batch);
 525 }
 526 static void gen6_mfc_avc_qm_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 527 {
 528     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 529     int i;
 530
 531     BEGIN_BCS_BATCH(batch, 58);
 532
 533     OUT_BCS_BATCH(batch, MFX_AVC_QM_STATE | 56);
 534     OUT_BCS_BATCH(batch, 0xFF ) ;
 535     for( i = 0; i < 56; i++) {
 536         OUT_BCS_BATCH(batch, 0x10101010);
 537     }
 538
 539     ADVANCE_BCS_BATCH(batch);
 540 }
 541
 542 static void gen6_mfc_avc_fqm_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 543 {
 544     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 545     int i;
 546
 547     BEGIN_BCS_BATCH(batch, 113);
 548     OUT_BCS_BATCH(batch, MFC_AVC_FQM_STATE | (113 - 2));
 549
 550     for(i = 0; i < 112;i++) {
 551         OUT_BCS_BATCH(batch, 0x10001000);
 552     }
 553
 554     ADVANCE_BCS_BATCH(batch);
 555 }
 556
 557 static void
 558 gen7_mfc_qm_state(VADriverContextP ctx,
 559                   int qm_type,
 560                   unsigned int *qm,
 561                   int qm_length,
 562                   struct gen6_encoder_context *gen6_encoder_context)
 563 {
 564     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 565     unsigned int qm_buffer[16];
 566
 567     assert(qm_length <= 16);
 568     assert(sizeof(*qm) == 4);
 569     memcpy(qm_buffer, qm, qm_length * 4);
 570
 571     BEGIN_BCS_BATCH(batch, 18);
 572     OUT_BCS_BATCH(batch, MFX_QM_STATE | (18 - 2));
 573     OUT_BCS_BATCH(batch, qm_type << 0);
 574     intel_batchbuffer_data(batch, qm_buffer, 16 * 4);
 575     ADVANCE_BCS_BATCH(batch);
 576 }
 577
 578 static void gen7_mfc_avc_qm_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 579 {
 580     unsigned int qm[16] = {
 581         0x10101010, 0x10101010, 0x10101010, 0x10101010,
 582         0x10101010, 0x10101010, 0x10101010, 0x10101010,
 583         0x10101010, 0x10101010, 0x10101010, 0x10101010,
 584         0x10101010, 0x10101010, 0x10101010, 0x10101010
 585     };
 586
 587     gen7_mfc_qm_state(ctx, MFX_QM_AVC_4X4_INTRA_MATRIX, qm, 12, gen6_encoder_context);
 588     gen7_mfc_qm_state(ctx, MFX_QM_AVC_4X4_INTER_MATRIX, qm, 12, gen6_encoder_context);
 589     gen7_mfc_qm_state(ctx, MFX_QM_AVC_8x8_INTRA_MATRIX, qm, 16, gen6_encoder_context);
 590     gen7_mfc_qm_state(ctx, MFX_QM_AVC_8x8_INTER_MATRIX, qm, 16, gen6_encoder_context);
 591 }
 592
 593 static void
 594 gen7_mfc_fqm_state(VADriverContextP ctx,
 595                    int fqm_type,
 596                    unsigned int *fqm,
 597                    int fqm_length,
 598                    struct gen6_encoder_context *gen6_encoder_context)
 599 {
 600     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 601     unsigned int fqm_buffer[32];
 602
 603     assert(fqm_length <= 32);
 604     assert(sizeof(*fqm) == 4);
 605     memcpy(fqm_buffer, fqm, fqm_length * 4);
 606
 607     BEGIN_BCS_BATCH(batch, 34);
 608     OUT_BCS_BATCH(batch, MFX_FQM_STATE | (34 - 2));
 609     OUT_BCS_BATCH(batch, fqm_type << 0);
 610     intel_batchbuffer_data(batch, fqm_buffer, 32 * 4);
 611     ADVANCE_BCS_BATCH(batch);
 612 }
 613
 614 static void gen7_mfc_avc_fqm_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 615 {
 616     unsigned int qm[32] = {
 617         0x10001000, 0x10001000, 0x10001000, 0x10001000,
 618         0x10001000, 0x10001000, 0x10001000, 0x10001000,
 619         0x10001000, 0x10001000, 0x10001000, 0x10001000,
 620         0x10001000, 0x10001000, 0x10001000, 0x10001000,
 621         0x10001000, 0x10001000, 0x10001000, 0x10001000,
 622         0x10001000, 0x10001000, 0x10001000, 0x10001000,
 623         0x10001000, 0x10001000, 0x10001000, 0x10001000,
 624         0x10001000, 0x10001000, 0x10001000, 0x10001000
 625     };
 626
 627     gen7_mfc_fqm_state(ctx, MFX_QM_AVC_4X4_INTRA_MATRIX, qm, 24, gen6_encoder_context);
 628     gen7_mfc_fqm_state(ctx, MFX_QM_AVC_4X4_INTER_MATRIX, qm, 24, gen6_encoder_context);
 629     gen7_mfc_fqm_state(ctx, MFX_QM_AVC_8x8_INTRA_MATRIX, qm, 32, gen6_encoder_context);
 630     gen7_mfc_fqm_state(ctx, MFX_QM_AVC_8x8_INTER_MATRIX, qm, 32, gen6_encoder_context);
 631 }
 632
 633 static void gen6_mfc_avc_ref_idx_state(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 634 {
 635     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 636     int i;
 637
 638         BEGIN_BCS_BATCH(batch, 10);
 639         OUT_BCS_BATCH(batch, MFX_AVC_REF_IDX_STATE | 8);
 640         OUT_BCS_BATCH(batch, 0);                  //Select L0
 641         OUT_BCS_BATCH(batch, 0x80808020);         //Only 1 reference
 642         for(i = 0; i < 7; i++) {
 643                 OUT_BCS_BATCH(batch, 0x80808080);
 644         }
 645         ADVANCE_BCS_BATCH(batch);
 646
 647         BEGIN_BCS_BATCH(batch, 10);
 648         OUT_BCS_BATCH(batch, MFX_AVC_REF_IDX_STATE | 8);
 649         OUT_BCS_BATCH(batch, 1);                  //Select L1
 650         OUT_BCS_BATCH(batch, 0x80808022);         //Only 1 reference
 651         for(i = 0; i < 7; i++) {
 652                 OUT_BCS_BATCH(batch, 0x80808080);
 653         }
 654         ADVANCE_BCS_BATCH(batch);
 655 }
 656
 657 static void
 658 gen6_mfc_avc_insert_object(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context,
 659                            unsigned int *insert_data, int lenght_in_dws, int data_bits_in_last_dw,
 660                            int skip_emul_byte_count, int is_last_header, int is_end_of_slice, int emulation_flag)
 661 {
 662     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 663
 664     BEGIN_BCS_BATCH(batch, lenght_in_dws + 2);
 665
 666     OUT_BCS_BATCH(batch, MFC_AVC_INSERT_OBJECT | (lenght_in_dws + 2 - 2));
 667     OUT_BCS_BATCH(batch,
 668                   (0 << 16) |   /* always start at offset 0 */
 669                   (data_bits_in_last_dw << 8) |
 670                   (skip_emul_byte_count << 4) |
 671                   (!!emulation_flag << 3) |
 672                   ((!!is_last_header) << 2) |
 673                   ((!!is_end_of_slice) << 1) |
 674                   (0 << 0));    /* FIXME: ??? */
 675
 676     intel_batchbuffer_data(batch, insert_data, lenght_in_dws * 4);
 677     ADVANCE_BCS_BATCH(batch);
 678 }
 679
 680 static int
 681 gen6_mfc_avc_pak_object_intra(VADriverContextP ctx, int x, int y, int end_mb, int qp,unsigned int *msg,
 682                               struct gen6_encoder_context *gen6_encoder_context,
 683                               unsigned char target_mb_size, unsigned char max_mb_size)
 684 {
 685     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 686     int len_in_dwords = 11;
 687
 688     BEGIN_BCS_BATCH(batch, len_in_dwords);
 689
 690     OUT_BCS_BATCH(batch, MFC_AVC_PAK_OBJECT | (len_in_dwords - 2));
 691     OUT_BCS_BATCH(batch, 0);
 692     OUT_BCS_BATCH(batch, 0);
 693     OUT_BCS_BATCH(batch,
 694                   (0 << 24) |           /* PackedMvNum, Debug*/
 695                   (0 << 20) |           /* No motion vector */
 696                   (1 << 19) |           /* CbpDcY */
 697                   (1 << 18) |           /* CbpDcU */
 698                   (1 << 17) |           /* CbpDcV */
 699                   (msg[0] & 0xFFFF) );
 700
 701     OUT_BCS_BATCH(batch, (0xFFFF<<16) | (y << 8) | x);          /* Code Block Pattern for Y*/
 702     OUT_BCS_BATCH(batch, 0x000F000F);                                                   /* Code Block Pattern */
 703     OUT_BCS_BATCH(batch, (0 << 27) | (end_mb << 26) | qp);      /* Last MB */
 704
 705     /*Stuff for Intra MB*/
 706     OUT_BCS_BATCH(batch, msg[1]);                       /* We using Intra16x16 no 4x4 predmode*/
 707     OUT_BCS_BATCH(batch, msg[2]);
 708     OUT_BCS_BATCH(batch, msg[3]&0xFC);
 709
 710     /*MaxSizeInWord and TargetSzieInWord*/
 711     OUT_BCS_BATCH(batch, (max_mb_size << 24) |
 712                          (target_mb_size << 16) );
 713
 714     ADVANCE_BCS_BATCH(batch);
 715
 716     return len_in_dwords;
 717 }
 718
 719 static int gen6_mfc_avc_pak_object_inter(VADriverContextP ctx, int x, int y, int end_mb, int qp, unsigned int offset,
 720                                          struct gen6_encoder_context *gen6_encoder_context,
 721                                          unsigned char target_mb_size,unsigned char max_mb_size, int slice_type)
 722 {
 723     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 724     int len_in_dwords = 11;
 725
 726     BEGIN_BCS_BATCH(batch, len_in_dwords);
 727
 728     OUT_BCS_BATCH(batch, MFC_AVC_PAK_OBJECT | (len_in_dwords - 2));
 729
 730     OUT_BCS_BATCH(batch, 32);         /* 32 MV*/
 731     OUT_BCS_BATCH(batch, offset);
 732
 733     OUT_BCS_BATCH(batch,
 734                   (1 << 24) |     /* PackedMvNum, Debug*/
 735                   (4 << 20) |     /* 8 MV, SNB don't use it*/
 736                   (1 << 19) |     /* CbpDcY */
 737                   (1 << 18) |     /* CbpDcU */
 738                   (1 << 17) |     /* CbpDcV */
 739                   (0 << 15) |     /* Transform8x8Flag = 0*/
 740                   (0 << 14) |     /* Frame based*/
 741                   (0 << 13) |     /* Inter MB */
 742                   (1 << 8)  |     /* MbType = P_L0_16x16 */
 743                   (0 << 7)  |     /* MBZ for frame */
 744                   (0 << 6)  |     /* MBZ */
 745                   (2 << 4)  |     /* MBZ for inter*/
 746                   (0 << 3)  |     /* MBZ */
 747                   (0 << 2)  |     /* SkipMbFlag */
 748                   (0 << 0));      /* InterMbMode */
 749
 750     OUT_BCS_BATCH(batch, (0xFFFF<<16) | (y << 8) | x);        /* Code Block Pattern for Y*/
 751     OUT_BCS_BATCH(batch, 0x000F000F);                         /* Code Block Pattern */
 752 #if 0
 753     if ( slice_type == SLICE_TYPE_B) {
 754         OUT_BCS_BATCH(batch, (0xF<<28) | (end_mb << 26) | qp);  /* Last MB */
 755     } else {
 756         OUT_BCS_BATCH(batch, (end_mb << 26) | qp);      /* Last MB */
 757     }
 758 #else
 759     OUT_BCS_BATCH(batch, (end_mb << 26) | qp);  /* Last MB */
 760 #endif
 761
 762
 763     /*Stuff for Inter MB*/
 764     OUT_BCS_BATCH(batch, 0x0);
 765     OUT_BCS_BATCH(batch, 0x0);
 766     OUT_BCS_BATCH(batch, 0x0);
 767
 768     /*MaxSizeInWord and TargetSzieInWord*/
 769     OUT_BCS_BATCH(batch, (max_mb_size << 24) |
 770                          (target_mb_size << 16) );
 771
 772     ADVANCE_BCS_BATCH(batch);
 773
 774     return len_in_dwords;
 775 }
 776
 777 static void gen6_mfc_init(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
 778 {
 779     struct i965_driver_data *i965 = i965_driver_data(ctx);
 780     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 781     dri_bo *bo;
 782     int i;
 783
 784     /*Encode common setup for MFC*/
 785     dri_bo_unreference(mfc_context->post_deblocking_output.bo);
 786     mfc_context->post_deblocking_output.bo = NULL;
 787
 788     dri_bo_unreference(mfc_context->pre_deblocking_output.bo);
 789     mfc_context->pre_deblocking_output.bo = NULL;
 790
 791     dri_bo_unreference(mfc_context->uncompressed_picture_source.bo);
 792     mfc_context->uncompressed_picture_source.bo = NULL;
 793
 794     dri_bo_unreference(mfc_context->mfc_indirect_pak_bse_object.bo);
 795     mfc_context->mfc_indirect_pak_bse_object.bo = NULL;
 796
 797     for (i = 0; i < NUM_MFC_DMV_BUFFERS; i++){
 798         if ( mfc_context->direct_mv_buffers[i].bo != NULL);
 799             dri_bo_unreference(mfc_context->direct_mv_buffers[i].bo);
 800         mfc_context->direct_mv_buffers[i].bo = NULL;
 801     }
 802
 803     for (i = 0; i < MAX_MFC_REFERENCE_SURFACES; i++){
 804         if (mfc_context->reference_surfaces[i].bo != NULL)
 805             dri_bo_unreference(mfc_context->reference_surfaces[i].bo);
 806         mfc_context->reference_surfaces[i].bo = NULL;
 807     }
 808
 809     dri_bo_unreference(mfc_context->intra_row_store_scratch_buffer.bo);
 810     bo = dri_bo_alloc(i965->intel.bufmgr,
 811                       "Buffer",
 812                       128 * 64,
 813                       64);
 814     assert(bo);
 815     mfc_context->intra_row_store_scratch_buffer.bo = bo;
 816
 817     dri_bo_unreference(mfc_context->macroblock_status_buffer.bo);
 818     bo = dri_bo_alloc(i965->intel.bufmgr,
 819                       "Buffer",
 820                       8*9600,
 821                       64);
 822     assert(bo);
 823     mfc_context->macroblock_status_buffer.bo = bo;
 824
 825     dri_bo_unreference(mfc_context->deblocking_filter_row_store_scratch_buffer.bo);
 826     bo = dri_bo_alloc(i965->intel.bufmgr,
 827                       "Buffer",
 828                       49152,  /* 6 * 128 * 64 */
 829                       64);
 830     assert(bo);
 831     mfc_context->deblocking_filter_row_store_scratch_buffer.bo = bo;
 832
 833     dri_bo_unreference(mfc_context->bsd_mpc_row_store_scratch_buffer.bo);
 834     bo = dri_bo_alloc(i965->intel.bufmgr,
 835                       "Buffer",
 836                       12288, /* 1.5 * 128 * 64 */
 837                       0x1000);
 838     assert(bo);
 839     mfc_context->bsd_mpc_row_store_scratch_buffer.bo = bo;
 840 }
 841
 842 void gen6_mfc_avc_pipeline_programing(VADriverContextP ctx,
 843                                       struct encode_state *encode_state,
 844                                       struct gen6_encoder_context *gen6_encoder_context)
 845 {
 846     struct i965_driver_data *i965 = i965_driver_data(ctx);
 847     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
 848     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
 849     struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
 850     VAEncSequenceParameterBufferH264Ext *pSequenceParameter = (VAEncSequenceParameterBufferH264Ext *)encode_state->seq_param_ext->buffer;
 851     VAEncPictureParameterBufferH264Ext *pPicParameter = (VAEncPictureParameterBufferH264Ext *)encode_state->pic_param_ext->buffer;
 852     VAEncSliceParameterBufferH264Ext *pSliceParameter = (VAEncSliceParameterBufferH264Ext *)encode_state->slice_params_ext[0]->buffer; /* FIXME: multi slices */
 853     VAEncH264DecRefPicMarkingBuffer *pDecRefPicMarking = NULL;
 854     unsigned int *msg = NULL, offset = 0;
 855     int emit_new_state = 1, object_len_in_bytes;
 856     int is_intra = pSliceParameter->slice_type == SLICE_TYPE_I;
 857     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
 858     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
 859     int x,y;
 860     int rate_control_mode = pSequenceParameter->rate_control_method;
 861     unsigned char target_mb_size = mfc_context->bit_rate_control_context[1-is_intra].TargetSizeInWord;
 862     unsigned char max_mb_size = mfc_context->bit_rate_control_context[1-is_intra].MaxSizeInWord;
 863     int qp = pPicParameter->pic_init_qp;
 864     unsigned char *slice_header = NULL;
 865     int slice_header_length_in_bits = 0;
 866     unsigned int tail_data[] = { 0x0 };
 867
 868     if (encode_state->dec_ref_pic_marking)
 869         pDecRefPicMarking = (VAEncH264DecRefPicMarkingBuffer *)encode_state->dec_ref_pic_marking->buffer;
 870
 871     slice_header_length_in_bits = build_avc_slice_header(pSequenceParameter, pPicParameter, pSliceParameter, pDecRefPicMarking, &slice_header);
 872
 873     if ( rate_control_mode == 0) {
 874         qp = mfc_context->bit_rate_control_context[1-is_intra].QpPrimeY;
 875     }
 876
 877     intel_batchbuffer_start_atomic_bcs(batch, 0x1000);
 878
 879     if (is_intra) {
 880         dri_bo_map(vme_context->vme_output.bo , 1);
 881         msg = (unsigned int *)vme_context->vme_output.bo->virtual;
 882     }
 883
 884     for (y = 0; y < height_in_mbs; y++) {
 885         for (x = 0; x < width_in_mbs; x++) {
 886             int last_mb = (y == (height_in_mbs-1)) && ( x == (width_in_mbs-1) );
 887
 888             if (emit_new_state) {
 889                 intel_batchbuffer_emit_mi_flush(batch);
 890
 891                 if (IS_GEN7(i965->intel.device_id)) {
 892                     gen7_mfc_pipe_mode_select(ctx, MFX_FORMAT_AVC, gen6_encoder_context);
 893                     gen7_mfc_surface_state(ctx, gen6_encoder_context);
 894                     gen7_mfc_ind_obj_base_addr_state(ctx, gen6_encoder_context);
 895                 } else {
 896                     gen6_mfc_pipe_mode_select(ctx, gen6_encoder_context);
 897                     gen6_mfc_surface_state(ctx, gen6_encoder_context);
 898                     gen6_mfc_ind_obj_base_addr_state(ctx, gen6_encoder_context);
 899                 }
 900
 901                 gen6_mfc_pipe_buf_addr_state(ctx, gen6_encoder_context);
 902                 gen6_mfc_bsp_buf_base_addr_state(ctx, gen6_encoder_context);
 903
 904                 if (IS_GEN7(i965->intel.device_id)) {
 905                     gen7_mfc_avc_img_state(ctx, gen6_encoder_context);
 906                     gen7_mfc_avc_qm_state(ctx, gen6_encoder_context);
 907                     gen7_mfc_avc_fqm_state(ctx, gen6_encoder_context);
 908                 } else {
 909                     gen6_mfc_avc_img_state(ctx, encode_state,gen6_encoder_context);
 910                     gen6_mfc_avc_qm_state(ctx, gen6_encoder_context);
 911                     gen6_mfc_avc_fqm_state(ctx, gen6_encoder_context);
 912                 }
 913
 914                 gen6_mfc_avc_directmode_state(ctx, gen6_encoder_context);
 915                 gen6_mfc_avc_ref_idx_state(ctx, gen6_encoder_context);
 916                 gen6_mfc_avc_slice_state(ctx, pSliceParameter->slice_type,
 917                                          encode_state, gen6_encoder_context,
 918                                          rate_control_mode == 0, pPicParameter->pic_init_qp);
 919
 920                 if (encode_state->packed_header_data[VAEncPackedHeaderSPS]) {
 921                     VAEncPackedHeaderParameterBuffer *param = NULL;
 922                     unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[VAEncPackedHeaderSPS]->buffer;
 923                     unsigned int length_in_bits;
 924
 925                     assert(encode_state->packed_header_param[VAEncPackedHeaderSPS]);
 926                     param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[VAEncPackedHeaderSPS]->buffer;
 927                     length_in_bits = param->length_in_bits[0];
 928
 929                     gen6_mfc_avc_insert_object(ctx,
 930                                                gen6_encoder_context,
 931                                                header_data,
 932                                                ALIGN(length_in_bits, 32) >> 5,
 933                                                length_in_bits & 0x1f,
 934                                                param->skip_emulation_check_count,
 935                                                0,
 936                                                0,
 937                                                param->insert_emulation_bytes);
 938                 }
 939
 940                 if (encode_state->packed_header_data[VAEncPackedHeaderPPS]) {
 941                     VAEncPackedHeaderParameterBuffer *param = NULL;
 942                     unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[VAEncPackedHeaderPPS]->buffer;
 943                     unsigned int length_in_bits;
 944
 945                     assert(encode_state->packed_header_param[VAEncPackedHeaderPPS]);
 946                     param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[VAEncPackedHeaderPPS]->buffer;
 947                     length_in_bits = param->length_in_bits[0];
 948
 949                     gen6_mfc_avc_insert_object(ctx,
 950                                                gen6_encoder_context,
 951                                                header_data,
 952                                                ALIGN(length_in_bits, 32) >> 5,
 953                                                length_in_bits & 0x1f,
 954                                                param->skip_emulation_check_count,
 955                                                0,
 956                                                0,
 957                                                param->insert_emulation_bytes);
 958                 }
 959
 960                 gen6_mfc_avc_insert_object(ctx, gen6_encoder_context,
 961                                            (unsigned int *)slice_header, ALIGN(slice_header_length_in_bits, 32) >> 5, slice_header_length_in_bits & 0x1f,
 962                                            5,  /* first 5 bytes are start code + nal unit type */
 963                                            1, 0, 1);
 964                 emit_new_state = 0;
 965             }
 966
 967             if (is_intra) {
 968                 assert(msg);
 969                 object_len_in_bytes = gen6_mfc_avc_pak_object_intra(ctx, x, y, last_mb, qp, msg, gen6_encoder_context,target_mb_size, max_mb_size);
 970                 msg += 4;
 971             } else {
 972                 object_len_in_bytes = gen6_mfc_avc_pak_object_inter(ctx, x, y, last_mb, qp, offset, gen6_encoder_context, target_mb_size, max_mb_size, pSliceParameter->slice_type);
 973                 offset += 64;
 974             }
 975
 976             if (intel_batchbuffer_check_free_space(batch, object_len_in_bytes) == 0) {
 977                 assert(0);
 978                 intel_batchbuffer_end_atomic(batch);
 979                 intel_batchbuffer_flush(batch);
 980                 emit_new_state = 1;
 981                 intel_batchbuffer_start_atomic_bcs(batch, 0x1000);
 982             }
 983         }
 984     }
 985
 986     gen6_mfc_avc_insert_object(ctx, gen6_encoder_context,
 987                                tail_data, sizeof(tail_data) >> 2, 32,
 988                                sizeof(tail_data), 1, 1, 1);
 989
 990     if (is_intra)
 991         dri_bo_unmap(vme_context->vme_output.bo);
 992
 993     free(slice_header);
 994
 995     intel_batchbuffer_end_atomic(batch);
 996 }
 997
 998 static void
 999 gen6_mfc_free_avc_surface(void **data)
1000 {
1001     struct gen6_mfc_avc_surface_aux *avc_surface = *data;
1002
1003     if (!avc_surface)
1004         return;
1005
1006     dri_bo_unreference(avc_surface->dmv_top);
1007     avc_surface->dmv_top = NULL;
1008     dri_bo_unreference(avc_surface->dmv_bottom);
1009     avc_surface->dmv_bottom = NULL;
1010
1011     free(avc_surface);
1012     *data = NULL;
1013 }
1014
1015 static void gen6_mfc_bit_rate_control_context_init(struct encode_state *encode_state,
1016                                                    struct gen6_mfc_context *mfc_context)
1017 {
1018     VAEncSequenceParameterBufferH264Ext *pSequenceParameter = (VAEncSequenceParameterBufferH264Ext *)encode_state->seq_param_ext->buffer;
1019
1020     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
1021     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
1022     float fps =  pSequenceParameter->time_scale * 0.5 / pSequenceParameter->num_units_in_tick ;
1023     int inter_mb_size = pSequenceParameter->bits_per_second * 1.0 / (fps+4.0) / width_in_mbs / height_in_mbs;
1024     int intra_mb_size = inter_mb_size * 5.0;
1025     int i;
1026
1027     mfc_context->bit_rate_control_context[0].target_mb_size = intra_mb_size;
1028     mfc_context->bit_rate_control_context[0].target_frame_size = intra_mb_size * width_in_mbs * height_in_mbs;
1029     mfc_context->bit_rate_control_context[1].target_mb_size = inter_mb_size;
1030     mfc_context->bit_rate_control_context[1].target_frame_size = inter_mb_size * width_in_mbs * height_in_mbs;
1031
1032     for(i = 0 ; i < 2; i++) {
1033         mfc_context->bit_rate_control_context[i].QpPrimeY = 26;
1034         mfc_context->bit_rate_control_context[i].MaxQpNegModifier = 6;
1035         mfc_context->bit_rate_control_context[i].MaxQpPosModifier = 6;
1036         mfc_context->bit_rate_control_context[i].GrowInit = 6;
1037         mfc_context->bit_rate_control_context[i].GrowResistance = 4;
1038         mfc_context->bit_rate_control_context[i].ShrinkInit = 6;
1039         mfc_context->bit_rate_control_context[i].ShrinkResistance = 4;
1040
1041         mfc_context->bit_rate_control_context[i].Correct[0] = 8;
1042         mfc_context->bit_rate_control_context[i].Correct[1] = 4;
1043         mfc_context->bit_rate_control_context[i].Correct[2] = 2;
1044         mfc_context->bit_rate_control_context[i].Correct[3] = 2;
1045         mfc_context->bit_rate_control_context[i].Correct[4] = 4;
1046         mfc_context->bit_rate_control_context[i].Correct[5] = 8;
1047     }
1048
1049     mfc_context->bit_rate_control_context[0].TargetSizeInWord = (intra_mb_size + 16)/ 16;
1050     mfc_context->bit_rate_control_context[1].TargetSizeInWord = (inter_mb_size + 16)/ 16;
1051
1052     mfc_context->bit_rate_control_context[0].MaxSizeInWord = mfc_context->bit_rate_control_context[0].TargetSizeInWord * 2;
1053     mfc_context->bit_rate_control_context[1].MaxSizeInWord = mfc_context->bit_rate_control_context[1].TargetSizeInWord * 2;
1054
1055 }
1056
1057 static int gen6_mfc_bit_rate_control_context_update(struct encode_state *encode_state,
1058                                                    struct gen6_mfc_context *mfc_context,
1059                                                    int current_frame_size)
1060 {
1061     VAEncSliceParameterBufferH264Ext *pSliceParameter = (VAEncSliceParameterBufferH264Ext *)encode_state->slice_params_ext[0]->buffer;
1062     int control_index = 1 - (pSliceParameter->slice_type == SLICE_TYPE_I);
1063
1064     /*
1065     printf("conrol_index = %d, start_qp = %d, result = %d, target = %d\n", control_index,
1066             mfc_context->bit_rate_control_context[control_index].QpPrimeY, current_frame_size,
1067             mfc_context->bit_rate_control_context[control_index].target_frame_size );
1068     */
1069     if ( current_frame_size > mfc_context->bit_rate_control_context[control_index].target_frame_size * 1.20 ) {
1070         mfc_context->bit_rate_control_context[control_index].QpPrimeY ++;
1071         if ( mfc_context->bit_rate_control_context[control_index].QpPrimeY > 51)
1072             mfc_context->bit_rate_control_context[control_index].QpPrimeY = 51;
1073         return 0;
1074     } else if (current_frame_size < mfc_context->bit_rate_control_context[control_index].target_frame_size * 0.80 )  {
1075          mfc_context->bit_rate_control_context[control_index].QpPrimeY --;
1076         if ( mfc_context->bit_rate_control_context[control_index].QpPrimeY < 1)
1077             mfc_context->bit_rate_control_context[control_index].QpPrimeY = 1;
1078         return 0;
1079     }
1080
1081     return 1;
1082 }
1083
1084 static VAStatus gen6_mfc_avc_prepare(VADriverContextP ctx,
1085                                      struct encode_state *encode_state,
1086                                      struct gen6_encoder_context *gen6_encoder_context)
1087 {
1088     struct i965_driver_data *i965 = i965_driver_data(ctx);
1089     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
1090     struct object_surface *obj_surface;
1091     struct object_buffer *obj_buffer;
1092     struct gen6_mfc_avc_surface_aux* gen6_avc_surface;
1093     dri_bo *bo;
1094     VAEncPictureParameterBufferH264Ext *pPicParameter = (VAEncPictureParameterBufferH264Ext *)encode_state->pic_param_ext->buffer;
1095     VAStatus vaStatus = VA_STATUS_SUCCESS;
1096         int i;
1097
1098     /*Setup all the input&output object*/
1099
1100     /* Setup current frame and current direct mv buffer*/
1101     obj_surface = SURFACE(pPicParameter->CurrPic.picture_id);
1102     assert(obj_surface);
1103     i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC('N','V','1','2'));
1104     if ( obj_surface->private_data == NULL) {
1105         gen6_avc_surface = calloc(sizeof(struct gen6_mfc_avc_surface_aux), 1);
1106         gen6_avc_surface->dmv_top =
1107             dri_bo_alloc(i965->intel.bufmgr,
1108                     "Buffer",
1109                     68*8192,
1110                     64);
1111         gen6_avc_surface->dmv_bottom =
1112             dri_bo_alloc(i965->intel.bufmgr,
1113                             "Buffer",
1114                             68*8192,
1115                             64);
1116         assert(gen6_avc_surface->dmv_top);
1117         assert(gen6_avc_surface->dmv_bottom);
1118         obj_surface->private_data = (void *)gen6_avc_surface;
1119         obj_surface->free_private_data = (void *)gen6_mfc_free_avc_surface;
1120     }
1121     gen6_avc_surface = (struct gen6_mfc_avc_surface_aux*) obj_surface->private_data;
1122     mfc_context->direct_mv_buffers[NUM_MFC_DMV_BUFFERS - 2].bo = gen6_avc_surface->dmv_top;
1123     mfc_context->direct_mv_buffers[NUM_MFC_DMV_BUFFERS - 1].bo = gen6_avc_surface->dmv_bottom;
1124         dri_bo_reference(gen6_avc_surface->dmv_top);
1125         dri_bo_reference(gen6_avc_surface->dmv_bottom);
1126
1127     mfc_context->post_deblocking_output.bo = obj_surface->bo;
1128     dri_bo_reference(mfc_context->post_deblocking_output.bo);
1129
1130     mfc_context->surface_state.width = obj_surface->orig_width;
1131     mfc_context->surface_state.height = obj_surface->orig_height;
1132     mfc_context->surface_state.w_pitch = obj_surface->width;
1133     mfc_context->surface_state.h_pitch = obj_surface->height;
1134
1135     /* Setup reference frames and direct mv buffers*/
1136     for(i = 0; i < MAX_MFC_REFERENCE_SURFACES; i++) {
1137                 if ( pPicParameter->ReferenceFrames[i].picture_id != VA_INVALID_ID ) {
1138                         obj_surface = SURFACE(pPicParameter->ReferenceFrames[i].picture_id);
1139                         assert(obj_surface);
1140                         if (obj_surface->bo != NULL) {
1141                                 mfc_context->reference_surfaces[i].bo = obj_surface->bo;
1142                                 dri_bo_reference(obj_surface->bo);
1143                         }
1144             /* Check DMV buffer */
1145             if ( obj_surface->private_data == NULL) {
1146
1147                 gen6_avc_surface = calloc(sizeof(struct gen6_mfc_avc_surface_aux), 1);
1148                 gen6_avc_surface->dmv_top =
1149                     dri_bo_alloc(i965->intel.bufmgr,
1150                             "Buffer",
1151                             68*8192,
1152                             64);
1153                 gen6_avc_surface->dmv_bottom =
1154                     dri_bo_alloc(i965->intel.bufmgr,
1155                             "Buffer",
1156                             68*8192,
1157                             64);
1158                 assert(gen6_avc_surface->dmv_top);
1159                 assert(gen6_avc_surface->dmv_bottom);
1160                 obj_surface->private_data = gen6_avc_surface;
1161                 obj_surface->free_private_data = gen6_mfc_free_avc_surface;
1162             }
1163
1164             gen6_avc_surface = (struct gen6_mfc_avc_surface_aux*) obj_surface->private_data;
1165             /* Setup DMV buffer */
1166             mfc_context->direct_mv_buffers[i*2].bo = gen6_avc_surface->dmv_top;
1167             mfc_context->direct_mv_buffers[i*2+1].bo = gen6_avc_surface->dmv_bottom;
1168             dri_bo_reference(gen6_avc_surface->dmv_top);
1169             dri_bo_reference(gen6_avc_surface->dmv_bottom);
1170                 } else {
1171                         break;
1172                 }
1173         }
1174
1175     obj_surface = SURFACE(encode_state->current_render_target);
1176     assert(obj_surface && obj_surface->bo);
1177     mfc_context->uncompressed_picture_source.bo = obj_surface->bo;
1178     dri_bo_reference(mfc_context->uncompressed_picture_source.bo);
1179
1180     obj_buffer = BUFFER (pPicParameter->CodedBuf); /* FIXME: fix this later */
1181     bo = obj_buffer->buffer_store->bo;
1182     assert(bo);
1183     mfc_context->mfc_indirect_pak_bse_object.bo = bo;
1184     mfc_context->mfc_indirect_pak_bse_object.offset = ALIGN(sizeof(VACodedBufferSegment), 64);
1185     mfc_context->mfc_indirect_pak_bse_object.end_offset = ALIGN (obj_buffer->size_element - 0x1000, 0x1000);
1186     dri_bo_reference(mfc_context->mfc_indirect_pak_bse_object.bo);
1187
1188     /*Programing bit rate control */
1189     if ( mfc_context->bit_rate_control_context[0].MaxSizeInWord == 0 )
1190         gen6_mfc_bit_rate_control_context_init(encode_state, mfc_context);
1191
1192     /*Programing bcs pipeline*/
1193     gen6_mfc_avc_pipeline_programing(ctx, encode_state, gen6_encoder_context);  //filling the pipeline
1194
1195     return vaStatus;
1196 }
1197
1198 static VAStatus gen6_mfc_run(VADriverContextP ctx,
1199                              struct encode_state *encode_state,
1200                              struct gen6_encoder_context *gen6_encoder_context)
1201 {
1202     struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
1203
1204     intel_batchbuffer_flush(batch);             //run the pipeline
1205
1206     return VA_STATUS_SUCCESS;
1207 }
1208
1209 static VAStatus gen6_mfc_stop(VADriverContextP ctx,
1210                               struct encode_state *encode_state,
1211                               struct gen6_encoder_context *gen6_encoder_context,
1212                               int *encoded_bits_size)
1213 {
1214     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
1215     unsigned int *status_mem;
1216     unsigned int buffer_size_bits = 0;
1217     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
1218     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
1219     int i;
1220
1221     dri_bo_map(mfc_context->macroblock_status_buffer.bo, 1);
1222     status_mem = (unsigned int *)mfc_context->macroblock_status_buffer.bo->virtual;
1223     //Detecting encoder buffer size and bit rate control result
1224     for(i = 0; i < width_in_mbs * height_in_mbs; i++) {
1225         unsigned short current_mb = status_mem[1] >> 16;
1226         buffer_size_bits += current_mb;
1227         status_mem += 4;
1228     }
1229     dri_bo_unmap(mfc_context->macroblock_status_buffer.bo);
1230
1231     *encoded_bits_size = buffer_size_bits;
1232
1233     return VA_STATUS_SUCCESS;
1234 }
1235
1236 static VAStatus
1237 gen6_mfc_avc_encode_picture(VADriverContextP ctx,
1238                             struct encode_state *encode_state,
1239                             struct gen6_encoder_context *gen6_encoder_context)
1240 {
1241     VAEncSequenceParameterBufferH264Ext *pSequenceParameter = (VAEncSequenceParameterBufferH264Ext *)encode_state->seq_param_ext->buffer;
1242     struct gen6_mfc_context *mfc_context = &gen6_encoder_context->mfc_context;
1243     int rate_control_mode = pSequenceParameter->rate_control_method;
1244     int MAX_CBR_INTERATE = 5;
1245     int current_frame_bits_size;
1246     int i;
1247
1248     for(i = 0; i < MAX_CBR_INTERATE; i++) {
1249         gen6_mfc_init(ctx, gen6_encoder_context);
1250         gen6_mfc_avc_prepare(ctx, encode_state, gen6_encoder_context);
1251         gen6_mfc_run(ctx, encode_state, gen6_encoder_context);
1252         gen6_mfc_stop(ctx, encode_state, gen6_encoder_context, &current_frame_bits_size);
1253         if ( rate_control_mode == 0) {
1254             if ( gen6_mfc_bit_rate_control_context_update( encode_state, mfc_context, current_frame_bits_size) )
1255                 break;
1256         } else {
1257             break;
1258         }
1259     }
1260
1261     return VA_STATUS_SUCCESS;
1262 }
1263
1264 VAStatus
1265 gen6_mfc_pipeline(VADriverContextP ctx,
1266                   VAProfile profile,
1267                   struct encode_state *encode_state,
1268                   struct gen6_encoder_context *gen6_encoder_context)
1269 {
1270     VAStatus vaStatus;
1271
1272     switch (profile) {
1273     case VAProfileH264Baseline:
1274         vaStatus = gen6_mfc_avc_encode_picture(ctx, encode_state, gen6_encoder_context);
1275         break;
1276
1277         /* FIXME: add for other profile */
1278     default:
1279         vaStatus = VA_STATUS_ERROR_UNSUPPORTED_PROFILE;
1280         break;
1281     }
1282
1283     return vaStatus;
1284 }
1285
1286 Bool gen6_mfc_context_init(VADriverContextP ctx, struct gen6_mfc_context *mfc_context)
1287 {
1288     return True;
1289 }
1290
1291 Bool gen6_mfc_context_destroy(struct gen6_mfc_context *mfc_context)
1292 {
1293     int i;
1294
1295     dri_bo_unreference(mfc_context->post_deblocking_output.bo);
1296     mfc_context->post_deblocking_output.bo = NULL;
1297
1298     dri_bo_unreference(mfc_context->pre_deblocking_output.bo);
1299     mfc_context->pre_deblocking_output.bo = NULL;
1300
1301     dri_bo_unreference(mfc_context->uncompressed_picture_source.bo);
1302     mfc_context->uncompressed_picture_source.bo = NULL;
1303
1304     dri_bo_unreference(mfc_context->mfc_indirect_pak_bse_object.bo);
1305     mfc_context->mfc_indirect_pak_bse_object.bo = NULL;
1306
1307     for (i = 0; i < NUM_MFC_DMV_BUFFERS; i++){
1308         dri_bo_unreference(mfc_context->direct_mv_buffers[i].bo);
1309         mfc_context->direct_mv_buffers[i].bo = NULL;
1310     }
1311
1312     dri_bo_unreference(mfc_context->intra_row_store_scratch_buffer.bo);
1313     mfc_context->intra_row_store_scratch_buffer.bo = NULL;
1314
1315         dri_bo_unreference(mfc_context->macroblock_status_buffer.bo);
1316         mfc_context->macroblock_status_buffer.bo = NULL;
1317
1318     dri_bo_unreference(mfc_context->deblocking_filter_row_store_scratch_buffer.bo);
1319     mfc_context->deblocking_filter_row_store_scratch_buffer.bo = NULL;
1320
1321     dri_bo_unreference(mfc_context->bsd_mpc_row_store_scratch_buffer.bo);
1322     mfc_context->bsd_mpc_row_store_scratch_buffer.bo = NULL;
1323
1324
1325     for (i = 0; i < MAX_MFC_REFERENCE_SURFACES; i++){
1326         dri_bo_unreference(mfc_context->reference_surfaces[i].bo);
1327         mfc_context->reference_surfaces[i].bo = NULL;
1328     }
1329
1330     return True;
1331 }