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 #include <math.h>
  34
  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 #include "gen6_mfc.h"
  42 #include "gen6_vme.h"
  43 #include "intel_media.h"
  44
  45 static const uint32_t gen6_mfc_batchbuffer_avc_intra[][4] = {
  46 #include "shaders/utils/mfc_batchbuffer_avc_intra.g6b"
  47 };
  48
  49 static const uint32_t gen6_mfc_batchbuffer_avc_inter[][4] = {
  50 #include "shaders/utils/mfc_batchbuffer_avc_inter.g6b"
  51 };
  52
  53 static struct i965_kernel gen6_mfc_kernels[] = {
  54     {
  55         "MFC AVC INTRA BATCHBUFFER ",
  56         MFC_BATCHBUFFER_AVC_INTRA,
  57         gen6_mfc_batchbuffer_avc_intra,
  58         sizeof(gen6_mfc_batchbuffer_avc_intra),
  59         NULL
  60     },
  61
  62     {
  63         "MFC AVC INTER BATCHBUFFER ",
  64         MFC_BATCHBUFFER_AVC_INTER,
  65         gen6_mfc_batchbuffer_avc_inter,
  66         sizeof(gen6_mfc_batchbuffer_avc_inter),
  67         NULL
  68     },
  69 };
  70
  71 static void
  72 gen6_mfc_pipe_mode_select(VADriverContextP ctx,
  73                           int standard_select,
  74                           struct intel_encoder_context *encoder_context)
  75 {
  76     struct intel_batchbuffer *batch = encoder_context->base.batch;
  77     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
  78
  79     assert(standard_select == MFX_FORMAT_AVC);
  80
  81     BEGIN_BCS_BATCH(batch, 4);
  82
  83     OUT_BCS_BATCH(batch, MFX_PIPE_MODE_SELECT | (4 - 2));
  84     OUT_BCS_BATCH(batch,
  85                   (1 << 10) | /* disable Stream-Out , advanced QP/bitrate control need enable it*/
  86                   ((!!mfc_context->post_deblocking_output.bo) << 9)  | /* Post Deblocking Output */
  87                   ((!!mfc_context->pre_deblocking_output.bo) << 8)  | /* Pre Deblocking Output */
  88                   (0 << 7)  | /* disable TLB prefectch */
  89                   (0 << 5)  | /* not in stitch mode */
  90                   (1 << 4)  | /* encoding mode */
  91                   (2 << 0));  /* Standard Select: AVC */
  92     OUT_BCS_BATCH(batch,
  93                   (0 << 20) | /* round flag in PB slice */
  94                   (0 << 19) | /* round flag in Intra8x8 */
  95                   (0 << 7)  | /* expand NOA bus flag */
  96                   (1 << 6)  | /* must be 1 */
  97                   (0 << 5)  | /* disable clock gating for NOA */
  98                   (0 << 4)  | /* terminate if AVC motion and POC table error occurs */
  99                   (0 << 3)  | /* terminate if AVC mbdata error occurs */
 100                   (0 << 2)  | /* terminate if AVC CABAC/CAVLC decode error occurs */
 101                   (0 << 1)  | /* AVC long field motion vector */
 102                   (0 << 0));  /* always calculate AVC ILDB boundary strength */
 103     OUT_BCS_BATCH(batch, 0);
 104
 105     ADVANCE_BCS_BATCH(batch);
 106 }
 107
 108 static void
 109 gen6_mfc_surface_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 110 {
 111     struct intel_batchbuffer *batch = encoder_context->base.batch;
 112     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 113
 114     BEGIN_BCS_BATCH(batch, 6);
 115
 116     OUT_BCS_BATCH(batch, MFX_SURFACE_STATE | (6 - 2));
 117     OUT_BCS_BATCH(batch, 0);
 118     OUT_BCS_BATCH(batch,
 119                   ((mfc_context->surface_state.height - 1) << 19) |
 120                   ((mfc_context->surface_state.width - 1) << 6));
 121     OUT_BCS_BATCH(batch,
 122                   (MFX_SURFACE_PLANAR_420_8 << 28) | /* 420 planar YUV surface */
 123                   (1 << 27) | /* must be 1 for interleave U/V, hardware requirement */
 124                   (0 << 22) | /* surface object control state, FIXME??? */
 125                   ((mfc_context->surface_state.w_pitch - 1) << 3) | /* pitch */
 126                   (0 << 2)  | /* must be 0 for interleave U/V */
 127                   (1 << 1)  | /* must be y-tiled */
 128                   (I965_TILEWALK_YMAJOR << 0));                         /* tile walk, TILEWALK_YMAJOR */
 129     OUT_BCS_BATCH(batch,
 130                   (0 << 16) |                                                           /* must be 0 for interleave U/V */
 131                   (mfc_context->surface_state.h_pitch));                /* y offset for U(cb) */
 132     OUT_BCS_BATCH(batch, 0);
 133     ADVANCE_BCS_BATCH(batch);
 134 }
 135
 136 void
 137 gen6_mfc_pipe_buf_addr_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 138 {
 139     struct intel_batchbuffer *batch = encoder_context->base.batch;
 140     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 141     int i;
 142
 143     BEGIN_BCS_BATCH(batch, 24);
 144
 145     OUT_BCS_BATCH(batch, MFX_PIPE_BUF_ADDR_STATE | (24 - 2));
 146
 147     if (mfc_context->pre_deblocking_output.bo)
 148         OUT_BCS_RELOC(batch, mfc_context->pre_deblocking_output.bo,
 149                       I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 150                       0);
 151     else
 152         OUT_BCS_BATCH(batch, 0);                                                                                        /* pre output addr   */
 153
 154     if (mfc_context->post_deblocking_output.bo)
 155         OUT_BCS_RELOC(batch, mfc_context->post_deblocking_output.bo,
 156                       I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 157                       0);                                                                                       /* post output addr  */
 158     else
 159         OUT_BCS_BATCH(batch, 0);
 160
 161     OUT_BCS_RELOC(batch, mfc_context->uncompressed_picture_source.bo,
 162                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 163                   0);                                                                                   /* uncompressed data */
 164     OUT_BCS_RELOC(batch, mfc_context->macroblock_status_buffer.bo,
 165                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 166                   0);                                                                                   /* StreamOut data*/
 167     OUT_BCS_RELOC(batch, mfc_context->intra_row_store_scratch_buffer.bo,
 168                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 169                   0);
 170     OUT_BCS_RELOC(batch, mfc_context->deblocking_filter_row_store_scratch_buffer.bo,
 171                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 172                   0);
 173     /* 7..22 Reference pictures*/
 174     for (i = 0; i < ARRAY_ELEMS(mfc_context->reference_surfaces); i++) {
 175         if ( mfc_context->reference_surfaces[i].bo != NULL) {
 176             OUT_BCS_RELOC(batch, mfc_context->reference_surfaces[i].bo,
 177                           I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 178                           0);
 179         } else {
 180             OUT_BCS_BATCH(batch, 0);
 181         }
 182     }
 183     OUT_BCS_RELOC(batch, mfc_context->macroblock_status_buffer.bo,
 184                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 185                   0);                                                                                   /* Macroblock status buffer*/
 186
 187     ADVANCE_BCS_BATCH(batch);
 188 }
 189
 190 static void
 191 gen6_mfc_ind_obj_base_addr_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 192 {
 193     struct intel_batchbuffer *batch = encoder_context->base.batch;
 194     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 195     struct gen6_vme_context *vme_context = encoder_context->vme_context;
 196
 197     BEGIN_BCS_BATCH(batch, 11);
 198
 199     OUT_BCS_BATCH(batch, MFX_IND_OBJ_BASE_ADDR_STATE | (11 - 2));
 200     OUT_BCS_BATCH(batch, 0);
 201     OUT_BCS_BATCH(batch, 0);
 202     /* MFX Indirect MV Object Base Address */
 203     OUT_BCS_RELOC(batch, vme_context->vme_output.bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
 204     OUT_BCS_BATCH(batch, 0);
 205     OUT_BCS_BATCH(batch, 0);
 206     OUT_BCS_BATCH(batch, 0);
 207     OUT_BCS_BATCH(batch, 0);
 208     OUT_BCS_BATCH(batch, 0);
 209     /*MFC Indirect PAK-BSE Object Base Address for Encoder*/
 210     OUT_BCS_RELOC(batch,
 211                   mfc_context->mfc_indirect_pak_bse_object.bo,
 212                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 213                   0);
 214     OUT_BCS_RELOC(batch,
 215                   mfc_context->mfc_indirect_pak_bse_object.bo,
 216                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 217                   mfc_context->mfc_indirect_pak_bse_object.end_offset);
 218
 219     ADVANCE_BCS_BATCH(batch);
 220 }
 221
 222 void
 223 gen6_mfc_bsp_buf_base_addr_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 224 {
 225     struct intel_batchbuffer *batch = encoder_context->base.batch;
 226     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 227
 228     BEGIN_BCS_BATCH(batch, 4);
 229
 230     OUT_BCS_BATCH(batch, MFX_BSP_BUF_BASE_ADDR_STATE | (4 - 2));
 231     OUT_BCS_RELOC(batch, mfc_context->bsd_mpc_row_store_scratch_buffer.bo,
 232                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 233                   0);
 234     OUT_BCS_BATCH(batch, 0);
 235     OUT_BCS_BATCH(batch, 0);
 236
 237     ADVANCE_BCS_BATCH(batch);
 238 }
 239
 240 static void
 241 gen6_mfc_avc_img_state(VADriverContextP ctx,struct encode_state *encode_state,
 242                        struct intel_encoder_context *encoder_context)
 243 {
 244     struct intel_batchbuffer *batch = encoder_context->base.batch;
 245     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 246     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
 247     VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
 248     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
 249     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
 250
 251     BEGIN_BCS_BATCH(batch, 13);
 252     OUT_BCS_BATCH(batch, MFX_AVC_IMG_STATE | (13 - 2));
 253     OUT_BCS_BATCH(batch,
 254                   ((width_in_mbs * height_in_mbs) & 0xFFFF));
 255     OUT_BCS_BATCH(batch,
 256                   (height_in_mbs << 16) |
 257                   (width_in_mbs << 0));
 258     OUT_BCS_BATCH(batch,
 259                   (0 << 24) |     /*Second Chroma QP Offset*/
 260                   (0 << 16) |     /*Chroma QP Offset*/
 261                   (0 << 14) |   /*Max-bit conformance Intra flag*/
 262                   (0 << 13) |   /*Max Macroblock size conformance Inter flag*/
 263                   (1 << 12) |   /*Should always be written as "1" */
 264                   (0 << 10) |   /*QM Preset FLag */
 265                   (0 << 8)  |   /*Image Structure*/
 266                   (0 << 0) );   /*Current Decoed Image Frame Store ID, reserved in Encode mode*/
 267     OUT_BCS_BATCH(batch,
 268                   (400 << 16) |   /*Mininum Frame size*/
 269                   (0 << 15) |   /*Disable reading of Macroblock Status Buffer*/
 270                   (0 << 14) |   /*Load BitStream Pointer only once, 1 slic 1 frame*/
 271                   (0 << 13) |   /*CABAC 0 word insertion test enable*/
 272                   (1 << 12) |   /*MVUnpackedEnable,compliant to DXVA*/
 273                   (1 << 10) |   /*Chroma Format IDC, 4:2:0*/
 274                   (pPicParameter->pic_fields.bits.entropy_coding_mode_flag << 7)  |   /*0:CAVLC encoding mode,1:CABAC*/
 275                   (0 << 6)  |   /*Only valid for VLD decoding mode*/
 276                   (0 << 5)  |   /*Constrained Intra Predition Flag, from PPS*/
 277                   (pSequenceParameter->seq_fields.bits.direct_8x8_inference_flag << 4)  |   /*Direct 8x8 inference flag*/
 278                   (pPicParameter->pic_fields.bits.transform_8x8_mode_flag << 3)  |   /*8x8 or 4x4 IDCT Transform Mode Flag*/
 279                   (1 << 2)  |   /*Frame MB only flag*/
 280                   (0 << 1)  |   /*MBAFF mode is in active*/
 281                   (0 << 0) );   /*Field picture flag*/
 282     OUT_BCS_BATCH(batch,
 283                   (1<<16)   |   /*Frame Size Rate Control Flag*/
 284                   (1<<12)   |
 285                   (1<<9)    |   /*MB level Rate Control Enabling Flag*/
 286                   (1 << 3)  |   /*FrameBitRateMinReportMask*/
 287                   (1 << 2)  |   /*FrameBitRateMaxReportMask*/
 288                   (1 << 1)  |   /*InterMBMaxSizeReportMask*/
 289                   (1 << 0) );   /*IntraMBMaxSizeReportMask*/
 290     OUT_BCS_BATCH(batch,                        /*Inter and Intra Conformance Max size limit*/
 291                   (0x0600 << 16) |              /*InterMbMaxSz 192 Byte*/
 292                   (0x0800) );                   /*IntraMbMaxSz 256 Byte*/
 293     OUT_BCS_BATCH(batch, 0x00000000);   /*Reserved : MBZReserved*/
 294     OUT_BCS_BATCH(batch, 0x01020304);   /*Slice QP Delta for bitrate control*/
 295     OUT_BCS_BATCH(batch, 0xFEFDFCFB);
 296     OUT_BCS_BATCH(batch, 0x80601004);   /*MAX = 128KB, MIN = 64KB*/
 297     OUT_BCS_BATCH(batch, 0x00800001);
 298     OUT_BCS_BATCH(batch, 0);
 299
 300     ADVANCE_BCS_BATCH(batch);
 301 }
 302
 303 static void
 304 gen6_mfc_avc_directmode_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 305 {
 306     struct intel_batchbuffer *batch = encoder_context->base.batch;
 307     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 308
 309     int i;
 310
 311     BEGIN_BCS_BATCH(batch, 69);
 312
 313     OUT_BCS_BATCH(batch, MFX_AVC_DIRECTMODE_STATE | (69 - 2));
 314
 315     /* Reference frames and Current frames */
 316     for(i = 0; i < NUM_MFC_DMV_BUFFERS; i++) {
 317         if ( mfc_context->direct_mv_buffers[i].bo != NULL) {
 318             OUT_BCS_RELOC(batch, mfc_context->direct_mv_buffers[i].bo,
 319                           I915_GEM_DOMAIN_INSTRUCTION, 0,
 320                           0);
 321         } else {
 322             OUT_BCS_BATCH(batch, 0);
 323         }
 324     }
 325
 326     /* POL list */
 327     for(i = 0; i < 32; i++) {
 328         OUT_BCS_BATCH(batch, i/2);
 329     }
 330     OUT_BCS_BATCH(batch, 0);
 331     OUT_BCS_BATCH(batch, 0);
 332
 333     ADVANCE_BCS_BATCH(batch);
 334 }
 335
 336 static void
 337 gen6_mfc_avc_slice_state(VADriverContextP ctx,
 338                          VAEncPictureParameterBufferH264 *pic_param,
 339                          VAEncSliceParameterBufferH264 *slice_param,
 340                          struct encode_state *encode_state,
 341                          struct intel_encoder_context *encoder_context,
 342                          int rate_control_enable,
 343                          int qp,
 344                          struct intel_batchbuffer *batch)
 345 {
 346     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 347     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
 348     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
 349     int beginmb = slice_param->macroblock_address;
 350     int endmb = beginmb + slice_param->num_macroblocks;
 351     int beginx = beginmb % width_in_mbs;
 352     int beginy = beginmb / width_in_mbs;
 353     int nextx =  endmb % width_in_mbs;
 354     int nexty = endmb / width_in_mbs;
 355     int slice_type = intel_avc_enc_slice_type_fixup(slice_param->slice_type);
 356     int last_slice = (endmb == (width_in_mbs * height_in_mbs));
 357     int maxQpN, maxQpP;
 358     unsigned char correct[6], grow, shrink;
 359     int i;
 360     int weighted_pred_idc = 0;
 361     unsigned int luma_log2_weight_denom = slice_param->luma_log2_weight_denom;
 362     unsigned int chroma_log2_weight_denom = slice_param->chroma_log2_weight_denom;
 363     int num_ref_l0 = 0, num_ref_l1 = 0;
 364
 365     if (batch == NULL)
 366         batch = encoder_context->base.batch;
 367
 368     if (slice_type == SLICE_TYPE_I) {
 369         luma_log2_weight_denom = 0;
 370         chroma_log2_weight_denom = 0;
 371     } else if (slice_type == SLICE_TYPE_P) {
 372         weighted_pred_idc = pic_param->pic_fields.bits.weighted_pred_flag;
 373         num_ref_l0 = pic_param->num_ref_idx_l0_active_minus1 + 1;
 374
 375         if (slice_param->num_ref_idx_active_override_flag)
 376             num_ref_l0 = slice_param->num_ref_idx_l0_active_minus1 + 1;
 377     } else if (slice_type == SLICE_TYPE_B) {
 378         weighted_pred_idc = pic_param->pic_fields.bits.weighted_bipred_idc;
 379         num_ref_l0 = pic_param->num_ref_idx_l0_active_minus1 + 1;
 380         num_ref_l1 = pic_param->num_ref_idx_l1_active_minus1 + 1;
 381
 382         if (slice_param->num_ref_idx_active_override_flag) {
 383             num_ref_l0 = slice_param->num_ref_idx_l0_active_minus1 + 1;
 384             num_ref_l1 = slice_param->num_ref_idx_l1_active_minus1 + 1;
 385         }
 386
 387         if (weighted_pred_idc == 2) {
 388             /* 8.4.3 - Derivation process for prediction weights (8-279) */
 389             luma_log2_weight_denom = 5;
 390             chroma_log2_weight_denom = 5;
 391         }
 392     }
 393
 394     maxQpN = mfc_context->bit_rate_control_context[slice_type].MaxQpNegModifier;
 395     maxQpP = mfc_context->bit_rate_control_context[slice_type].MaxQpPosModifier;
 396
 397     for (i = 0; i < 6; i++)
 398         correct[i] = mfc_context->bit_rate_control_context[slice_type].Correct[i];
 399
 400     grow = mfc_context->bit_rate_control_context[slice_type].GrowInit +
 401         (mfc_context->bit_rate_control_context[slice_type].GrowResistance << 4);
 402     shrink = mfc_context->bit_rate_control_context[slice_type].ShrinkInit +
 403         (mfc_context->bit_rate_control_context[slice_type].ShrinkResistance << 4);
 404
 405     BEGIN_BCS_BATCH(batch, 11);;
 406
 407     OUT_BCS_BATCH(batch, MFX_AVC_SLICE_STATE | (11 - 2) );
 408     OUT_BCS_BATCH(batch, slice_type);                   /*Slice Type: I:P:B Slice*/
 409
 410     OUT_BCS_BATCH(batch,
 411                   (num_ref_l0 << 16) |
 412                   (num_ref_l1 << 24) |
 413                   (chroma_log2_weight_denom << 8) |
 414                   (luma_log2_weight_denom << 0));
 415
 416     OUT_BCS_BATCH(batch,
 417                   (weighted_pred_idc << 30) |
 418                   (slice_param->direct_spatial_mv_pred_flag<<29) |             /*Direct Prediction Type*/
 419                   (slice_param->disable_deblocking_filter_idc << 27) |
 420                   (slice_param->cabac_init_idc << 24) |
 421                   (qp<<16) |                    /*Slice Quantization Parameter*/
 422                   ((slice_param->slice_beta_offset_div2 & 0xf) << 8) |
 423                   ((slice_param->slice_alpha_c0_offset_div2 & 0xf) << 0));
 424     OUT_BCS_BATCH(batch,
 425                   (beginy << 24) |                      /*First MB X&Y , the begin postion of current slice*/
 426                   (beginx << 16) |
 427                   slice_param->macroblock_address );
 428     OUT_BCS_BATCH(batch, (nexty << 16) | nextx);                       /*Next slice first MB X&Y*/
 429     OUT_BCS_BATCH(batch,
 430                   (0/*rate_control_enable*/ << 31) |            /*in CBR mode RateControlCounterEnable = enable*/
 431                   (1 << 30) |           /*ResetRateControlCounter*/
 432                   (0 << 28) |           /*RC Triggle Mode = Always Rate Control*/
 433                   (4 << 24) |     /*RC Stable Tolerance, middle level*/
 434                   (0/*rate_control_enable*/ << 23) |     /*RC Panic Enable*/
 435                   (0 << 22) |     /*QP mode, don't modfiy CBP*/
 436                   (0 << 21) |     /*MB Type Direct Conversion Enabled*/
 437                   (0 << 20) |     /*MB Type Skip Conversion Enabled*/
 438                   (last_slice << 19) |     /*IsLastSlice*/
 439                   (0 << 18) |   /*BitstreamOutputFlag Compressed BitStream Output Disable Flag 0:enable 1:disable*/
 440                   (1 << 17) |       /*HeaderPresentFlag*/
 441                   (1 << 16) |       /*SliceData PresentFlag*/
 442                   (1 << 15) |       /*TailPresentFlag*/
 443                   (1 << 13) |       /*RBSP NAL TYPE*/
 444                   (0 << 12) );    /*CabacZeroWordInsertionEnable*/
 445     OUT_BCS_BATCH(batch, mfc_context->mfc_indirect_pak_bse_object.offset);
 446     OUT_BCS_BATCH(batch,
 447                   (maxQpN << 24) |     /*Target QP - 24 is lowest QP*/
 448                   (maxQpP << 16) |     /*Target QP + 20 is highest QP*/
 449                   (shrink << 8)  |
 450                   (grow << 0));
 451     OUT_BCS_BATCH(batch,
 452                   (correct[5] << 20) |
 453                   (correct[4] << 16) |
 454                   (correct[3] << 12) |
 455                   (correct[2] << 8) |
 456                   (correct[1] << 4) |
 457                   (correct[0] << 0));
 458     OUT_BCS_BATCH(batch, 0);
 459
 460     ADVANCE_BCS_BATCH(batch);
 461 }
 462
 463 static void gen6_mfc_avc_qm_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 464 {
 465     struct intel_batchbuffer *batch = encoder_context->base.batch;
 466     int i;
 467
 468     BEGIN_BCS_BATCH(batch, 58);
 469
 470     OUT_BCS_BATCH(batch, MFX_AVC_QM_STATE | 56);
 471     OUT_BCS_BATCH(batch, 0xFF ) ;
 472     for( i = 0; i < 56; i++) {
 473         OUT_BCS_BATCH(batch, 0x10101010);
 474     }
 475
 476     ADVANCE_BCS_BATCH(batch);
 477 }
 478
 479 static void gen6_mfc_avc_fqm_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 480 {
 481     struct intel_batchbuffer *batch = encoder_context->base.batch;
 482     int i;
 483
 484     BEGIN_BCS_BATCH(batch, 113);
 485     OUT_BCS_BATCH(batch, MFC_AVC_FQM_STATE | (113 - 2));
 486
 487     for(i = 0; i < 112;i++) {
 488         OUT_BCS_BATCH(batch, 0x10001000);
 489     }
 490
 491     ADVANCE_BCS_BATCH(batch);
 492 }
 493
 494 static void
 495 gen6_mfc_avc_insert_object(VADriverContextP ctx, struct intel_encoder_context *encoder_context,
 496                            unsigned int *insert_data, int lenght_in_dws, int data_bits_in_last_dw,
 497                            int skip_emul_byte_count, int is_last_header, int is_end_of_slice, int emulation_flag,
 498                            struct intel_batchbuffer *batch)
 499 {
 500     if (batch == NULL)
 501         batch = encoder_context->base.batch;
 502
 503     BEGIN_BCS_BATCH(batch, lenght_in_dws + 2);
 504
 505     OUT_BCS_BATCH(batch, MFC_AVC_INSERT_OBJECT | (lenght_in_dws + 2 - 2));
 506
 507     OUT_BCS_BATCH(batch,
 508                   (0 << 16) |   /* always start at offset 0 */
 509                   (data_bits_in_last_dw << 8) |
 510                   (skip_emul_byte_count << 4) |
 511                   (!!emulation_flag << 3) |
 512                   ((!!is_last_header) << 2) |
 513                   ((!!is_end_of_slice) << 1) |
 514                   (0 << 0));    /* FIXME: ??? */
 515
 516     intel_batchbuffer_data(batch, insert_data, lenght_in_dws * 4);
 517     ADVANCE_BCS_BATCH(batch);
 518 }
 519
 520 void
 521 gen6_mfc_init(VADriverContextP ctx,
 522               struct encode_state *encode_state,
 523               struct intel_encoder_context *encoder_context)
 524 {
 525     struct i965_driver_data *i965 = i965_driver_data(ctx);
 526     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 527     dri_bo *bo;
 528     int i;
 529     int width_in_mbs = 0;
 530     int height_in_mbs = 0;
 531     int slice_batchbuffer_size;
 532
 533     if (encoder_context->codec == CODEC_H264) {
 534         VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
 535         width_in_mbs = pSequenceParameter->picture_width_in_mbs;
 536         height_in_mbs = pSequenceParameter->picture_height_in_mbs;
 537     } else {
 538         VAEncSequenceParameterBufferMPEG2 *pSequenceParameter = (VAEncSequenceParameterBufferMPEG2 *)encode_state->seq_param_ext->buffer;
 539
 540         assert(encoder_context->codec == CODEC_MPEG2);
 541
 542         width_in_mbs = ALIGN(pSequenceParameter->picture_width, 16) / 16;
 543         height_in_mbs = ALIGN(pSequenceParameter->picture_height, 16) / 16;
 544     }
 545
 546     slice_batchbuffer_size = 64 * width_in_mbs * height_in_mbs + 4096 +
 547                 (SLICE_HEADER + SLICE_TAIL) * encode_state->num_slice_params_ext;
 548
 549     /*Encode common setup for MFC*/
 550     dri_bo_unreference(mfc_context->post_deblocking_output.bo);
 551     mfc_context->post_deblocking_output.bo = NULL;
 552
 553     dri_bo_unreference(mfc_context->pre_deblocking_output.bo);
 554     mfc_context->pre_deblocking_output.bo = NULL;
 555
 556     dri_bo_unreference(mfc_context->uncompressed_picture_source.bo);
 557     mfc_context->uncompressed_picture_source.bo = NULL;
 558
 559     dri_bo_unreference(mfc_context->mfc_indirect_pak_bse_object.bo);
 560     mfc_context->mfc_indirect_pak_bse_object.bo = NULL;
 561
 562     for (i = 0; i < NUM_MFC_DMV_BUFFERS; i++){
 563         if ( mfc_context->direct_mv_buffers[i].bo != NULL);
 564         dri_bo_unreference(mfc_context->direct_mv_buffers[i].bo);
 565         mfc_context->direct_mv_buffers[i].bo = NULL;
 566     }
 567
 568     for (i = 0; i < MAX_MFC_REFERENCE_SURFACES; i++){
 569         if (mfc_context->reference_surfaces[i].bo != NULL)
 570             dri_bo_unreference(mfc_context->reference_surfaces[i].bo);
 571         mfc_context->reference_surfaces[i].bo = NULL;
 572     }
 573
 574     dri_bo_unreference(mfc_context->intra_row_store_scratch_buffer.bo);
 575     bo = dri_bo_alloc(i965->intel.bufmgr,
 576                       "Buffer",
 577                       width_in_mbs * 64,
 578                       64);
 579     assert(bo);
 580     mfc_context->intra_row_store_scratch_buffer.bo = bo;
 581
 582     dri_bo_unreference(mfc_context->macroblock_status_buffer.bo);
 583     bo = dri_bo_alloc(i965->intel.bufmgr,
 584                       "Buffer",
 585                       width_in_mbs * height_in_mbs * 16,
 586                       64);
 587     assert(bo);
 588     mfc_context->macroblock_status_buffer.bo = bo;
 589
 590     dri_bo_unreference(mfc_context->deblocking_filter_row_store_scratch_buffer.bo);
 591     bo = dri_bo_alloc(i965->intel.bufmgr,
 592                       "Buffer",
 593                       4 * width_in_mbs * 64,  /* 4 * width_in_mbs * 64 */
 594                       64);
 595     assert(bo);
 596     mfc_context->deblocking_filter_row_store_scratch_buffer.bo = bo;
 597
 598     dri_bo_unreference(mfc_context->bsd_mpc_row_store_scratch_buffer.bo);
 599     bo = dri_bo_alloc(i965->intel.bufmgr,
 600                       "Buffer",
 601                       128 * width_in_mbs, /* 2 * widht_in_mbs * 64 */
 602                       0x1000);
 603     assert(bo);
 604     mfc_context->bsd_mpc_row_store_scratch_buffer.bo = bo;
 605
 606     dri_bo_unreference(mfc_context->mfc_batchbuffer_surface.bo);
 607     mfc_context->mfc_batchbuffer_surface.bo = NULL;
 608
 609     dri_bo_unreference(mfc_context->aux_batchbuffer_surface.bo);
 610     mfc_context->aux_batchbuffer_surface.bo = NULL;
 611
 612     if (mfc_context->aux_batchbuffer)
 613         intel_batchbuffer_free(mfc_context->aux_batchbuffer);
 614
 615     mfc_context->aux_batchbuffer = intel_batchbuffer_new(&i965->intel, I915_EXEC_BSD,
 616                                                          slice_batchbuffer_size);
 617     mfc_context->aux_batchbuffer_surface.bo = mfc_context->aux_batchbuffer->buffer;
 618     dri_bo_reference(mfc_context->aux_batchbuffer_surface.bo);
 619     mfc_context->aux_batchbuffer_surface.pitch = 16;
 620     mfc_context->aux_batchbuffer_surface.num_blocks = mfc_context->aux_batchbuffer->size / 16;
 621     mfc_context->aux_batchbuffer_surface.size_block = 16;
 622
 623     i965_gpe_context_init(ctx, &mfc_context->gpe_context);
 624 }
 625
 626 static void gen6_mfc_avc_pipeline_picture_programing( VADriverContextP ctx,
 627                                                       struct encode_state *encode_state,
 628                                                       struct intel_encoder_context *encoder_context)
 629 {
 630     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 631
 632     mfc_context->pipe_mode_select(ctx, MFX_FORMAT_AVC, encoder_context);
 633     mfc_context->set_surface_state(ctx, encoder_context);
 634     mfc_context->ind_obj_base_addr_state(ctx, encoder_context);
 635     gen6_mfc_pipe_buf_addr_state(ctx, encoder_context);
 636     gen6_mfc_bsp_buf_base_addr_state(ctx, encoder_context);
 637     mfc_context->avc_img_state(ctx, encode_state, encoder_context);
 638     mfc_context->avc_qm_state(ctx, encoder_context);
 639     mfc_context->avc_fqm_state(ctx, encoder_context);
 640     gen6_mfc_avc_directmode_state(ctx, encoder_context);
 641     intel_mfc_avc_ref_idx_state(ctx, encode_state, encoder_context);
 642 }
 643
 644
 645 VAStatus
 646 gen6_mfc_run(VADriverContextP ctx,
 647              struct encode_state *encode_state,
 648              struct intel_encoder_context *encoder_context)
 649 {
 650     struct intel_batchbuffer *batch = encoder_context->base.batch;
 651
 652     intel_batchbuffer_flush(batch);             //run the pipeline
 653
 654     return VA_STATUS_SUCCESS;
 655 }
 656
 657 VAStatus
 658 gen6_mfc_stop(VADriverContextP ctx,
 659               struct encode_state *encode_state,
 660               struct intel_encoder_context *encoder_context,
 661               int *encoded_bits_size)
 662 {
 663     VAStatus vaStatus = VA_STATUS_ERROR_UNKNOWN;
 664     VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
 665     VACodedBufferSegment *coded_buffer_segment;
 666
 667     vaStatus = i965_MapBuffer(ctx, pPicParameter->coded_buf, (void **)&coded_buffer_segment);
 668     assert(vaStatus == VA_STATUS_SUCCESS);
 669     *encoded_bits_size = coded_buffer_segment->size * 8;
 670     i965_UnmapBuffer(ctx, pPicParameter->coded_buf);
 671
 672     return VA_STATUS_SUCCESS;
 673 }
 674
 675 #if __SOFTWARE__
 676
 677 static int
 678 gen6_mfc_avc_pak_object_intra(VADriverContextP ctx, int x, int y, int end_mb, int qp,unsigned int *msg,
 679                               struct intel_encoder_context *encoder_context,
 680                               unsigned char target_mb_size, unsigned char max_mb_size,
 681                               struct intel_batchbuffer *batch)
 682 {
 683     int len_in_dwords = 11;
 684
 685     if (batch == NULL)
 686         batch = encoder_context->base.batch;
 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
 720 gen6_mfc_avc_pak_object_inter(VADriverContextP ctx, int x, int y, int end_mb, int qp,
 721                               unsigned int *msg, unsigned int offset,
 722                               struct intel_encoder_context *encoder_context,
 723                               unsigned char target_mb_size,unsigned char max_mb_size, int slice_type,
 724                               struct intel_batchbuffer *batch)
 725 {
 726     struct gen6_vme_context *vme_context = encoder_context->vme_context;
 727     int len_in_dwords = 11;
 728
 729     if (batch == NULL)
 730         batch = encoder_context->base.batch;
 731
 732     BEGIN_BCS_BATCH(batch, len_in_dwords);
 733
 734     OUT_BCS_BATCH(batch, MFC_AVC_PAK_OBJECT | (len_in_dwords - 2));
 735
 736     OUT_BCS_BATCH(batch, msg[2]);         /* 32 MV*/
 737     OUT_BCS_BATCH(batch, offset);
 738
 739     OUT_BCS_BATCH(batch, msg[0]);
 740
 741     OUT_BCS_BATCH(batch, (0xFFFF<<16) | (y << 8) | x);        /* Code Block Pattern for Y*/
 742     OUT_BCS_BATCH(batch, 0x000F000F);                         /* Code Block Pattern */
 743 #if 0
 744     if ( slice_type == SLICE_TYPE_B) {
 745         OUT_BCS_BATCH(batch, (0xF<<28) | (end_mb << 26) | qp);  /* Last MB */
 746     } else {
 747         OUT_BCS_BATCH(batch, (end_mb << 26) | qp);      /* Last MB */
 748     }
 749 #else
 750     OUT_BCS_BATCH(batch, (end_mb << 26) | qp);  /* Last MB */
 751 #endif
 752
 753
 754     /*Stuff for Inter MB*/
 755     OUT_BCS_BATCH(batch, msg[1]);
 756     OUT_BCS_BATCH(batch, vme_context->ref_index_in_mb[0]);
 757     OUT_BCS_BATCH(batch, vme_context->ref_index_in_mb[1]);
 758
 759     /*MaxSizeInWord and TargetSzieInWord*/
 760     OUT_BCS_BATCH(batch, (max_mb_size << 24) |
 761                   (target_mb_size << 16) );
 762
 763     ADVANCE_BCS_BATCH(batch);
 764
 765     return len_in_dwords;
 766 }
 767
 768 static void
 769 gen6_mfc_avc_pipeline_slice_programing(VADriverContextP ctx,
 770                                        struct encode_state *encode_state,
 771                                        struct intel_encoder_context *encoder_context,
 772                                        int slice_index,
 773                                        struct intel_batchbuffer *slice_batch)
 774 {
 775     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 776     struct gen6_vme_context *vme_context = encoder_context->vme_context;
 777     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
 778     VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
 779     VAEncSliceParameterBufferH264 *pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[slice_index]->buffer;
 780     unsigned int *msg = NULL, offset = 0;
 781     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
 782     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
 783     int last_slice = (pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks) == (width_in_mbs * height_in_mbs);
 784     int i,x,y;
 785     int qp = pPicParameter->pic_init_qp + pSliceParameter->slice_qp_delta;
 786     unsigned int rate_control_mode = encoder_context->rate_control_mode;
 787     unsigned char *slice_header = NULL;
 788     int slice_header_length_in_bits = 0;
 789     unsigned int tail_data[] = { 0x0, 0x0 };
 790     int slice_type = intel_avc_enc_slice_type_fixup(pSliceParameter->slice_type);
 791     int is_intra = slice_type == SLICE_TYPE_I;
 792
 793     if (rate_control_mode == VA_RC_CBR) {
 794         qp = mfc_context->bit_rate_control_context[slice_type].QpPrimeY;
 795         pSliceParameter->slice_qp_delta = qp - pPicParameter->pic_init_qp;
 796     }
 797
 798     /* only support for 8-bit pixel bit-depth */
 799     assert(pSequenceParameter->bit_depth_luma_minus8 == 0);
 800     assert(pSequenceParameter->bit_depth_chroma_minus8 == 0);
 801     assert(pPicParameter->pic_init_qp >= 0 && pPicParameter->pic_init_qp < 52);
 802     assert(qp >= 0 && qp < 52);
 803
 804     gen6_mfc_avc_slice_state(ctx,
 805                              pPicParameter,
 806                              pSliceParameter,
 807                              encode_state, encoder_context,
 808                              (rate_control_mode == VA_RC_CBR), qp, slice_batch);
 809
 810     if ( slice_index == 0)
 811         intel_mfc_avc_pipeline_header_programing(ctx, encode_state, encoder_context, slice_batch);
 812
 813     slice_header_length_in_bits = build_avc_slice_header(pSequenceParameter, pPicParameter, pSliceParameter, &slice_header);
 814
 815     // slice hander
 816     mfc_context->insert_object(ctx, encoder_context,
 817                                (unsigned int *)slice_header, ALIGN(slice_header_length_in_bits, 32) >> 5, slice_header_length_in_bits & 0x1f,
 818                                5,  /* first 5 bytes are start code + nal unit type */
 819                                1, 0, 1, slice_batch);
 820
 821     dri_bo_map(vme_context->vme_output.bo , 1);
 822     msg = (unsigned int *)vme_context->vme_output.bo->virtual;
 823
 824     if (is_intra) {
 825         msg += pSliceParameter->macroblock_address * INTRA_VME_OUTPUT_IN_DWS;
 826     } else {
 827         msg += pSliceParameter->macroblock_address * INTER_VME_OUTPUT_IN_DWS;
 828         msg += 32; /* the first 32 DWs are MVs */
 829         offset = pSliceParameter->macroblock_address * INTER_VME_OUTPUT_IN_BYTES;
 830     }
 831
 832     for (i = pSliceParameter->macroblock_address;
 833          i < pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks; i++) {
 834         int last_mb = (i == (pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks - 1) );
 835         x = i % width_in_mbs;
 836         y = i / width_in_mbs;
 837
 838         if (is_intra) {
 839             assert(msg);
 840             gen6_mfc_avc_pak_object_intra(ctx, x, y, last_mb, qp, msg, encoder_context, 0, 0, slice_batch);
 841             msg += INTRA_VME_OUTPUT_IN_DWS;
 842         } else {
 843             if (msg[0] & INTRA_MB_FLAG_MASK) {
 844                 gen6_mfc_avc_pak_object_intra(ctx, x, y, last_mb, qp, msg, encoder_context, 0, 0, slice_batch);
 845             } else {
 846                 gen6_mfc_avc_pak_object_inter(ctx, x, y, last_mb, qp, msg, offset, encoder_context, 0, 0, slice_type, slice_batch);
 847             }
 848
 849             msg += INTER_VME_OUTPUT_IN_DWS;
 850             offset += INTER_VME_OUTPUT_IN_BYTES;
 851         }
 852     }
 853
 854     dri_bo_unmap(vme_context->vme_output.bo);
 855
 856     if ( last_slice ) {
 857         mfc_context->insert_object(ctx, encoder_context,
 858                                    tail_data, 2, 8,
 859                                    2, 1, 1, 0, slice_batch);
 860     } else {
 861         mfc_context->insert_object(ctx, encoder_context,
 862                                    tail_data, 1, 8,
 863                                    1, 1, 1, 0, slice_batch);
 864     }
 865
 866     free(slice_header);
 867
 868 }
 869
 870 static dri_bo *
 871 gen6_mfc_avc_software_batchbuffer(VADriverContextP ctx,
 872                                   struct encode_state *encode_state,
 873                                   struct intel_encoder_context *encoder_context)
 874 {
 875     struct i965_driver_data *i965 = i965_driver_data(ctx);
 876     struct intel_batchbuffer *batch = intel_batchbuffer_new(&i965->intel, I915_EXEC_BSD, 0);
 877     dri_bo *batch_bo = batch->buffer;
 878     int i;
 879
 880     for (i = 0; i < encode_state->num_slice_params_ext; i++) {
 881         gen6_mfc_avc_pipeline_slice_programing(ctx, encode_state, encoder_context, i, batch);
 882     }
 883
 884     intel_batchbuffer_align(batch, 8);
 885
 886     BEGIN_BCS_BATCH(batch, 2);
 887     OUT_BCS_BATCH(batch, 0);
 888     OUT_BCS_BATCH(batch, MI_BATCH_BUFFER_END);
 889     ADVANCE_BCS_BATCH(batch);
 890
 891     dri_bo_reference(batch_bo);
 892     intel_batchbuffer_free(batch);
 893
 894     return batch_bo;
 895 }
 896
 897 #else
 898
 899 static void
 900 gen6_mfc_batchbuffer_surfaces_input(VADriverContextP ctx,
 901                                     struct encode_state *encode_state,
 902                                     struct intel_encoder_context *encoder_context)
 903
 904 {
 905     struct gen6_vme_context *vme_context = encoder_context->vme_context;
 906     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 907
 908     assert(vme_context->vme_output.bo);
 909     mfc_context->buffer_suface_setup(ctx,
 910                                      &mfc_context->gpe_context,
 911                                      &vme_context->vme_output,
 912                                      BINDING_TABLE_OFFSET(BIND_IDX_VME_OUTPUT),
 913                                      SURFACE_STATE_OFFSET(BIND_IDX_VME_OUTPUT));
 914     assert(mfc_context->aux_batchbuffer_surface.bo);
 915     mfc_context->buffer_suface_setup(ctx,
 916                                      &mfc_context->gpe_context,
 917                                      &mfc_context->aux_batchbuffer_surface,
 918                                      BINDING_TABLE_OFFSET(BIND_IDX_MFC_SLICE_HEADER),
 919                                      SURFACE_STATE_OFFSET(BIND_IDX_MFC_SLICE_HEADER));
 920 }
 921
 922 static void
 923 gen6_mfc_batchbuffer_surfaces_output(VADriverContextP ctx,
 924                                      struct encode_state *encode_state,
 925                                      struct intel_encoder_context *encoder_context)
 926
 927 {
 928     struct i965_driver_data *i965 = i965_driver_data(ctx);
 929     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 930     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
 931     int width_in_mbs = pSequenceParameter->picture_width_in_mbs;
 932     int height_in_mbs = pSequenceParameter->picture_height_in_mbs;
 933     mfc_context->mfc_batchbuffer_surface.num_blocks = width_in_mbs * height_in_mbs + encode_state->num_slice_params_ext * 8 + 1;
 934     mfc_context->mfc_batchbuffer_surface.size_block = 16 * CMD_LEN_IN_OWORD; /* 3 OWORDs */
 935     mfc_context->mfc_batchbuffer_surface.pitch = 16;
 936     mfc_context->mfc_batchbuffer_surface.bo = dri_bo_alloc(i965->intel.bufmgr,
 937                                                            "MFC batchbuffer",
 938                                                            mfc_context->mfc_batchbuffer_surface.num_blocks * mfc_context->mfc_batchbuffer_surface.size_block,
 939                                                            0x1000);
 940     mfc_context->buffer_suface_setup(ctx,
 941                                      &mfc_context->gpe_context,
 942                                      &mfc_context->mfc_batchbuffer_surface,
 943                                      BINDING_TABLE_OFFSET(BIND_IDX_MFC_BATCHBUFFER),
 944                                      SURFACE_STATE_OFFSET(BIND_IDX_MFC_BATCHBUFFER));
 945 }
 946
 947 static void
 948 gen6_mfc_batchbuffer_surfaces_setup(VADriverContextP ctx,
 949                                     struct encode_state *encode_state,
 950                                     struct intel_encoder_context *encoder_context)
 951 {
 952     gen6_mfc_batchbuffer_surfaces_input(ctx, encode_state, encoder_context);
 953     gen6_mfc_batchbuffer_surfaces_output(ctx, encode_state, encoder_context);
 954 }
 955
 956 static void
 957 gen6_mfc_batchbuffer_idrt_setup(VADriverContextP ctx,
 958                                 struct encode_state *encode_state,
 959                                 struct intel_encoder_context *encoder_context)
 960 {
 961     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 962     struct gen6_interface_descriptor_data *desc;
 963     int i;
 964     dri_bo *bo;
 965
 966     bo = mfc_context->gpe_context.idrt.bo;
 967     dri_bo_map(bo, 1);
 968     assert(bo->virtual);
 969     desc = bo->virtual;
 970
 971     for (i = 0; i < mfc_context->gpe_context.num_kernels; i++) {
 972         struct i965_kernel *kernel;
 973
 974         kernel = &mfc_context->gpe_context.kernels[i];
 975         assert(sizeof(*desc) == 32);
 976
 977         /*Setup the descritor table*/
 978         memset(desc, 0, sizeof(*desc));
 979         desc->desc0.kernel_start_pointer = (kernel->bo->offset >> 6);
 980         desc->desc2.sampler_count = 0;
 981         desc->desc2.sampler_state_pointer = 0;
 982         desc->desc3.binding_table_entry_count = 2;
 983         desc->desc3.binding_table_pointer = (BINDING_TABLE_OFFSET(0) >> 5);
 984         desc->desc4.constant_urb_entry_read_offset = 0;
 985         desc->desc4.constant_urb_entry_read_length = 4;
 986
 987         /*kernel start*/
 988         dri_bo_emit_reloc(bo,
 989                           I915_GEM_DOMAIN_INSTRUCTION, 0,
 990                           0,
 991                           i * sizeof(*desc) + offsetof(struct gen6_interface_descriptor_data, desc0),
 992                           kernel->bo);
 993         desc++;
 994     }
 995
 996     dri_bo_unmap(bo);
 997 }
 998
 999 static void
1000 gen6_mfc_batchbuffer_constant_setup(VADriverContextP ctx,
1001                                     struct encode_state *encode_state,
1002                                     struct intel_encoder_context *encoder_context)
1003 {
1004     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1005
1006     (void)mfc_context;
1007 }
1008
1009 static void
1010 gen6_mfc_batchbuffer_emit_object_command(struct intel_batchbuffer *batch,
1011                                          int index,
1012                                          int head_offset,
1013                                          int batchbuffer_offset,
1014                                          int head_size,
1015                                          int tail_size,
1016                                          int number_mb_cmds,
1017                                          int first_object,
1018                                          int last_object,
1019                                          int last_slice,
1020                                          int mb_x,
1021                                          int mb_y,
1022                                          int width_in_mbs,
1023                                          int qp,
1024                                          unsigned int ref_index[2])
1025 {
1026     BEGIN_BATCH(batch, 14);
1027
1028     OUT_BATCH(batch, CMD_MEDIA_OBJECT | (14 - 2));
1029     OUT_BATCH(batch, index);
1030     OUT_BATCH(batch, 0);
1031     OUT_BATCH(batch, 0);
1032     OUT_BATCH(batch, 0);
1033     OUT_BATCH(batch, 0);
1034
1035     /*inline data */
1036     OUT_BATCH(batch, head_offset);
1037     OUT_BATCH(batch, batchbuffer_offset);
1038     OUT_BATCH(batch,
1039               head_size << 16 |
1040               tail_size);
1041     OUT_BATCH(batch,
1042               number_mb_cmds << 16 |
1043               first_object << 2 |
1044               last_object << 1 |
1045               last_slice);
1046     OUT_BATCH(batch,
1047               mb_y << 8 |
1048               mb_x);
1049     OUT_BATCH(batch,
1050               qp << 16 |
1051               width_in_mbs);
1052     OUT_BATCH(batch, ref_index[0]);
1053     OUT_BATCH(batch, ref_index[1]);
1054
1055     ADVANCE_BATCH(batch);
1056 }
1057
1058 static void
1059 gen6_mfc_avc_batchbuffer_slice_command(VADriverContextP ctx,
1060                                        struct intel_encoder_context *encoder_context,
1061                                        VAEncSliceParameterBufferH264 *slice_param,
1062                                        int head_offset,
1063                                        unsigned short head_size,
1064                                        unsigned short tail_size,
1065                                        int batchbuffer_offset,
1066                                        int qp,
1067                                        int last_slice)
1068 {
1069     struct intel_batchbuffer *batch = encoder_context->base.batch;
1070     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1071     struct gen6_vme_context *vme_context = encoder_context->vme_context;
1072     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
1073     int total_mbs = slice_param->num_macroblocks;
1074     int number_mb_cmds = 128;
1075     int starting_mb = 0;
1076     int last_object = 0;
1077     int first_object = 1;
1078     int i;
1079     int mb_x, mb_y;
1080     int index = (slice_param->slice_type == SLICE_TYPE_I) ? MFC_BATCHBUFFER_AVC_INTRA : MFC_BATCHBUFFER_AVC_INTER;
1081
1082     for (i = 0; i < total_mbs / number_mb_cmds; i++) {
1083         last_object = (total_mbs - starting_mb) == number_mb_cmds;
1084         mb_x = (slice_param->macroblock_address + starting_mb) % width_in_mbs;
1085         mb_y = (slice_param->macroblock_address + starting_mb) / width_in_mbs;
1086         assert(mb_x <= 255 && mb_y <= 255);
1087
1088         starting_mb += number_mb_cmds;
1089
1090         gen6_mfc_batchbuffer_emit_object_command(batch,
1091                                                  index,
1092                                                  head_offset,
1093                                                  batchbuffer_offset,
1094                                                  head_size,
1095                                                  tail_size,
1096                                                  number_mb_cmds,
1097                                                  first_object,
1098                                                  last_object,
1099                                                  last_slice,
1100                                                  mb_x,
1101                                                  mb_y,
1102                                                  width_in_mbs,
1103                                                  qp,
1104                                                  vme_context->ref_index_in_mb);
1105
1106         if (first_object) {
1107             head_offset += head_size;
1108             batchbuffer_offset += head_size;
1109         }
1110
1111         if (last_object) {
1112             head_offset += tail_size;
1113             batchbuffer_offset += tail_size;
1114         }
1115
1116         batchbuffer_offset += number_mb_cmds * CMD_LEN_IN_OWORD;
1117
1118         first_object = 0;
1119     }
1120
1121     if (!last_object) {
1122         last_object = 1;
1123         number_mb_cmds = total_mbs % number_mb_cmds;
1124         mb_x = (slice_param->macroblock_address + starting_mb) % width_in_mbs;
1125         mb_y = (slice_param->macroblock_address + starting_mb) / width_in_mbs;
1126         assert(mb_x <= 255 && mb_y <= 255);
1127         starting_mb += number_mb_cmds;
1128
1129         gen6_mfc_batchbuffer_emit_object_command(batch,
1130                                                  index,
1131                                                  head_offset,
1132                                                  batchbuffer_offset,
1133                                                  head_size,
1134                                                  tail_size,
1135                                                  number_mb_cmds,
1136                                                  first_object,
1137                                                  last_object,
1138                                                  last_slice,
1139                                                  mb_x,
1140                                                  mb_y,
1141                                                  width_in_mbs,
1142                                                  qp,
1143                                                  vme_context->ref_index_in_mb);
1144     }
1145 }
1146
1147 /*
1148  * return size in Owords (16bytes)
1149  */
1150 static int
1151 gen6_mfc_avc_batchbuffer_slice(VADriverContextP ctx,
1152                                struct encode_state *encode_state,
1153                                struct intel_encoder_context *encoder_context,
1154                                int slice_index,
1155                                int batchbuffer_offset)
1156 {
1157     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1158     struct intel_batchbuffer *slice_batch = mfc_context->aux_batchbuffer;
1159     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
1160     VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
1161     VAEncSliceParameterBufferH264 *pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[slice_index]->buffer;
1162     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
1163     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
1164     int last_slice = (pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks) == (width_in_mbs * height_in_mbs);
1165     int qp = pPicParameter->pic_init_qp + pSliceParameter->slice_qp_delta;
1166     unsigned int rate_control_mode = encoder_context->rate_control_mode;
1167     unsigned char *slice_header = NULL;
1168     int slice_header_length_in_bits = 0;
1169     unsigned int tail_data[] = { 0x0, 0x0 };
1170     long head_offset;
1171     int old_used = intel_batchbuffer_used_size(slice_batch), used;
1172     unsigned short head_size, tail_size;
1173     int slice_type = intel_avc_enc_slice_type_fixup(pSliceParameter->slice_type);
1174
1175     if (rate_control_mode == VA_RC_CBR) {
1176         qp = mfc_context->bit_rate_control_context[slice_type].QpPrimeY;
1177         pSliceParameter->slice_qp_delta = qp - pPicParameter->pic_init_qp;
1178     }
1179
1180     /* only support for 8-bit pixel bit-depth */
1181     assert(pSequenceParameter->bit_depth_luma_minus8 == 0);
1182     assert(pSequenceParameter->bit_depth_chroma_minus8 == 0);
1183     assert(pPicParameter->pic_init_qp >= 0 && pPicParameter->pic_init_qp < 52);
1184     assert(qp >= 0 && qp < 52);
1185
1186     head_offset = old_used / 16;
1187     gen6_mfc_avc_slice_state(ctx,
1188                              pPicParameter,
1189                              pSliceParameter,
1190                              encode_state,
1191                              encoder_context,
1192                              (rate_control_mode == VA_RC_CBR),
1193                              qp,
1194                              slice_batch);
1195
1196     if (slice_index == 0)
1197         intel_mfc_avc_pipeline_header_programing(ctx, encode_state, encoder_context, slice_batch);
1198
1199     slice_header_length_in_bits = build_avc_slice_header(pSequenceParameter, pPicParameter, pSliceParameter, &slice_header);
1200
1201     // slice hander
1202     mfc_context->insert_object(ctx,
1203                                encoder_context,
1204                                (unsigned int *)slice_header,
1205                                ALIGN(slice_header_length_in_bits, 32) >> 5,
1206                                slice_header_length_in_bits & 0x1f,
1207                                5,  /* first 5 bytes are start code + nal unit type */
1208                                1,
1209                                0,
1210                                1,
1211                                slice_batch);
1212     free(slice_header);
1213
1214     intel_batchbuffer_align(slice_batch, 16); /* aligned by an Oword */
1215     used = intel_batchbuffer_used_size(slice_batch);
1216     head_size = (used - old_used) / 16;
1217     old_used = used;
1218
1219     /* tail */
1220     if (last_slice) {
1221         mfc_context->insert_object(ctx,
1222                                    encoder_context,
1223                                    tail_data,
1224                                    2,
1225                                    8,
1226                                    2,
1227                                    1,
1228                                    1,
1229                                    0,
1230                                    slice_batch);
1231     } else {
1232         mfc_context->insert_object(ctx,
1233                                    encoder_context,
1234                                    tail_data,
1235                                    1,
1236                                    8,
1237                                    1,
1238                                    1,
1239                                    1,
1240                                    0,
1241                                    slice_batch);
1242     }
1243
1244     intel_batchbuffer_align(slice_batch, 16); /* aligned by an Oword */
1245     used = intel_batchbuffer_used_size(slice_batch);
1246     tail_size = (used - old_used) / 16;
1247
1248
1249     gen6_mfc_avc_batchbuffer_slice_command(ctx,
1250                                            encoder_context,
1251                                            pSliceParameter,
1252                                            head_offset,
1253                                            head_size,
1254                                            tail_size,
1255                                            batchbuffer_offset,
1256                                            qp,
1257                                            last_slice);
1258
1259     return head_size + tail_size + pSliceParameter->num_macroblocks * CMD_LEN_IN_OWORD;
1260 }
1261
1262 static void
1263 gen6_mfc_avc_batchbuffer_pipeline(VADriverContextP ctx,
1264                                   struct encode_state *encode_state,
1265                                   struct intel_encoder_context *encoder_context)
1266 {
1267     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1268     struct intel_batchbuffer *batch = encoder_context->base.batch;
1269     int i, size, offset = 0;
1270     intel_batchbuffer_start_atomic(batch, 0x4000);
1271     gen6_gpe_pipeline_setup(ctx, &mfc_context->gpe_context, batch);
1272
1273     for ( i = 0; i < encode_state->num_slice_params_ext; i++) {
1274         size = gen6_mfc_avc_batchbuffer_slice(ctx, encode_state, encoder_context, i, offset);
1275         offset += size;
1276     }
1277
1278     intel_batchbuffer_end_atomic(batch);
1279     intel_batchbuffer_flush(batch);
1280 }
1281
1282 static void
1283 gen6_mfc_build_avc_batchbuffer(VADriverContextP ctx,
1284                                struct encode_state *encode_state,
1285                                struct intel_encoder_context *encoder_context)
1286 {
1287     gen6_mfc_batchbuffer_surfaces_setup(ctx, encode_state, encoder_context);
1288     gen6_mfc_batchbuffer_idrt_setup(ctx, encode_state, encoder_context);
1289     gen6_mfc_batchbuffer_constant_setup(ctx, encode_state, encoder_context);
1290     gen6_mfc_avc_batchbuffer_pipeline(ctx, encode_state, encoder_context);
1291 }
1292
1293 static dri_bo *
1294 gen6_mfc_avc_hardware_batchbuffer(VADriverContextP ctx,
1295                                   struct encode_state *encode_state,
1296                                   struct intel_encoder_context *encoder_context)
1297 {
1298     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1299
1300     gen6_mfc_build_avc_batchbuffer(ctx, encode_state, encoder_context);
1301     dri_bo_reference(mfc_context->mfc_batchbuffer_surface.bo);
1302
1303     return mfc_context->mfc_batchbuffer_surface.bo;
1304 }
1305
1306 #endif
1307
1308
1309 static void
1310 gen6_mfc_avc_pipeline_programing(VADriverContextP ctx,
1311                                  struct encode_state *encode_state,
1312                                  struct intel_encoder_context *encoder_context)
1313 {
1314     struct intel_batchbuffer *batch = encoder_context->base.batch;
1315     dri_bo *slice_batch_bo;
1316
1317     if ( intel_mfc_interlace_check(ctx, encode_state, encoder_context) ) {
1318         fprintf(stderr, "Current VA driver don't support interlace mode!\n");
1319         assert(0);
1320         return;
1321     }
1322
1323 #if __SOFTWARE__
1324     slice_batch_bo = gen6_mfc_avc_software_batchbuffer(ctx, encode_state, encoder_context);
1325 #else
1326     slice_batch_bo = gen6_mfc_avc_hardware_batchbuffer(ctx, encode_state, encoder_context);
1327 #endif
1328
1329     // begin programing
1330     intel_batchbuffer_start_atomic_bcs(batch, 0x4000);
1331     intel_batchbuffer_emit_mi_flush(batch);
1332
1333     // picture level programing
1334     gen6_mfc_avc_pipeline_picture_programing(ctx, encode_state, encoder_context);
1335
1336     BEGIN_BCS_BATCH(batch, 2);
1337     OUT_BCS_BATCH(batch, MI_BATCH_BUFFER_START | (1 << 8));
1338     OUT_BCS_RELOC(batch,
1339                   slice_batch_bo,
1340                   I915_GEM_DOMAIN_COMMAND, 0,
1341                   0);
1342     ADVANCE_BCS_BATCH(batch);
1343
1344     // end programing
1345     intel_batchbuffer_end_atomic(batch);
1346
1347     dri_bo_unreference(slice_batch_bo);
1348 }
1349
1350 VAStatus
1351 gen6_mfc_avc_encode_picture(VADriverContextP ctx,
1352                             struct encode_state *encode_state,
1353                             struct intel_encoder_context *encoder_context)
1354 {
1355     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1356     unsigned int rate_control_mode = encoder_context->rate_control_mode;
1357     int current_frame_bits_size;
1358     int sts;
1359
1360     for (;;) {
1361         gen6_mfc_init(ctx, encode_state, encoder_context);
1362         intel_mfc_avc_prepare(ctx, encode_state, encoder_context);
1363         /*Programing bcs pipeline*/
1364         gen6_mfc_avc_pipeline_programing(ctx, encode_state, encoder_context);   //filling the pipeline
1365         gen6_mfc_run(ctx, encode_state, encoder_context);
1366         if (rate_control_mode == VA_RC_CBR /*|| rate_control_mode == VA_RC_VBR*/) {
1367             gen6_mfc_stop(ctx, encode_state, encoder_context, &current_frame_bits_size);
1368             sts = intel_mfc_brc_postpack(encode_state, mfc_context, current_frame_bits_size);
1369             if (sts == BRC_NO_HRD_VIOLATION) {
1370                 intel_mfc_hrd_context_update(encode_state, mfc_context);
1371                 break;
1372             }
1373             else if (sts == BRC_OVERFLOW_WITH_MIN_QP || sts == BRC_UNDERFLOW_WITH_MAX_QP) {
1374                 if (!mfc_context->hrd.violation_noted) {
1375                     fprintf(stderr, "Unrepairable %s!\n", (sts == BRC_OVERFLOW_WITH_MIN_QP)? "overflow": "underflow");
1376                     mfc_context->hrd.violation_noted = 1;
1377                 }
1378                 return VA_STATUS_SUCCESS;
1379             }
1380         } else {
1381             break;
1382         }
1383     }
1384
1385     return VA_STATUS_SUCCESS;
1386 }
1387
1388 VAStatus
1389 gen6_mfc_pipeline(VADriverContextP ctx,
1390                   VAProfile profile,
1391                   struct encode_state *encode_state,
1392                   struct intel_encoder_context *encoder_context)
1393 {
1394     VAStatus vaStatus;
1395
1396     switch (profile) {
1397     case VAProfileH264Baseline:
1398     case VAProfileH264Main:
1399     case VAProfileH264High:
1400         vaStatus = gen6_mfc_avc_encode_picture(ctx, encode_state, encoder_context);
1401         break;
1402
1403         /* FIXME: add for other profile */
1404     default:
1405         vaStatus = VA_STATUS_ERROR_UNSUPPORTED_PROFILE;
1406         break;
1407     }
1408
1409     return vaStatus;
1410 }
1411
1412 void
1413 gen6_mfc_context_destroy(void *context)
1414 {
1415     struct gen6_mfc_context *mfc_context = context;
1416     int i;
1417
1418     dri_bo_unreference(mfc_context->post_deblocking_output.bo);
1419     mfc_context->post_deblocking_output.bo = NULL;
1420
1421     dri_bo_unreference(mfc_context->pre_deblocking_output.bo);
1422     mfc_context->pre_deblocking_output.bo = NULL;
1423
1424     dri_bo_unreference(mfc_context->uncompressed_picture_source.bo);
1425     mfc_context->uncompressed_picture_source.bo = NULL;
1426
1427     dri_bo_unreference(mfc_context->mfc_indirect_pak_bse_object.bo);
1428     mfc_context->mfc_indirect_pak_bse_object.bo = NULL;
1429
1430     for (i = 0; i < NUM_MFC_DMV_BUFFERS; i++){
1431         dri_bo_unreference(mfc_context->direct_mv_buffers[i].bo);
1432         mfc_context->direct_mv_buffers[i].bo = NULL;
1433     }
1434
1435     dri_bo_unreference(mfc_context->intra_row_store_scratch_buffer.bo);
1436     mfc_context->intra_row_store_scratch_buffer.bo = NULL;
1437
1438     dri_bo_unreference(mfc_context->macroblock_status_buffer.bo);
1439     mfc_context->macroblock_status_buffer.bo = NULL;
1440
1441     dri_bo_unreference(mfc_context->deblocking_filter_row_store_scratch_buffer.bo);
1442     mfc_context->deblocking_filter_row_store_scratch_buffer.bo = NULL;
1443
1444     dri_bo_unreference(mfc_context->bsd_mpc_row_store_scratch_buffer.bo);
1445     mfc_context->bsd_mpc_row_store_scratch_buffer.bo = NULL;
1446
1447
1448     for (i = 0; i < MAX_MFC_REFERENCE_SURFACES; i++){
1449         dri_bo_unreference(mfc_context->reference_surfaces[i].bo);
1450         mfc_context->reference_surfaces[i].bo = NULL;
1451     }
1452
1453     i965_gpe_context_destroy(&mfc_context->gpe_context);
1454
1455     dri_bo_unreference(mfc_context->mfc_batchbuffer_surface.bo);
1456     mfc_context->mfc_batchbuffer_surface.bo = NULL;
1457
1458     dri_bo_unreference(mfc_context->aux_batchbuffer_surface.bo);
1459     mfc_context->aux_batchbuffer_surface.bo = NULL;
1460
1461     if (mfc_context->aux_batchbuffer)
1462         intel_batchbuffer_free(mfc_context->aux_batchbuffer);
1463
1464     mfc_context->aux_batchbuffer = NULL;
1465
1466     free(mfc_context);
1467 }
1468
1469 Bool gen6_mfc_context_init(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
1470 {
1471     struct gen6_mfc_context *mfc_context = calloc(1, sizeof(struct gen6_mfc_context));
1472
1473     mfc_context->gpe_context.surface_state_binding_table.length = (SURFACE_STATE_PADDED_SIZE + sizeof(unsigned int)) * MAX_MEDIA_SURFACES_GEN6;
1474
1475     mfc_context->gpe_context.idrt.max_entries = MAX_GPE_KERNELS;
1476     mfc_context->gpe_context.idrt.entry_size = sizeof(struct gen6_interface_descriptor_data);
1477
1478     mfc_context->gpe_context.curbe.length = 32 * 4;
1479
1480     mfc_context->gpe_context.vfe_state.max_num_threads = 60 - 1;
1481     mfc_context->gpe_context.vfe_state.num_urb_entries = 16;
1482     mfc_context->gpe_context.vfe_state.gpgpu_mode = 0;
1483     mfc_context->gpe_context.vfe_state.urb_entry_size = 59 - 1;
1484     mfc_context->gpe_context.vfe_state.curbe_allocation_size = 37 - 1;
1485
1486     i965_gpe_load_kernels(ctx,
1487                           &mfc_context->gpe_context,
1488                           gen6_mfc_kernels,
1489                           NUM_MFC_KERNEL);
1490
1491     mfc_context->pipe_mode_select = gen6_mfc_pipe_mode_select;
1492     mfc_context->set_surface_state = gen6_mfc_surface_state;
1493     mfc_context->ind_obj_base_addr_state = gen6_mfc_ind_obj_base_addr_state;
1494     mfc_context->avc_img_state = gen6_mfc_avc_img_state;
1495     mfc_context->avc_qm_state = gen6_mfc_avc_qm_state;
1496     mfc_context->avc_fqm_state = gen6_mfc_avc_fqm_state;
1497     mfc_context->insert_object = gen6_mfc_avc_insert_object;
1498     mfc_context->buffer_suface_setup = i965_gpe_buffer_suface_setup;
1499
1500     encoder_context->mfc_context = mfc_context;
1501     encoder_context->mfc_context_destroy = gen6_mfc_context_destroy;
1502     encoder_context->mfc_pipeline = gen6_mfc_pipeline;
1503     encoder_context->mfc_brc_prepare = intel_mfc_brc_prepare;
1504
1505     return True;
1506 }