"Fossies" - the Fresh Open Source Software Archive

Member "mesa-20.1.8/src/gallium/drivers/nouveau/nv50/nv84_video_bsp.c" (16 Sep 2020, 10749 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


As a special service "Fossies" has tried to format the requested source page into HTML format using (guessed) C and C++ source code syntax highlighting (style: standard) with prefixed line numbers and code folding option. Alternatively you can here view or download the uninterpreted source code file. For more information about "nv84_video_bsp.c" see the Fossies "Dox" file reference documentation.

    1 /*
    2  * Copyright 2013 Ilia Mirkin
    3  *
    4  * Permission is hereby granted, free of charge, to any person obtaining a
    5  * copy of this software and associated documentation files (the "Software"),
    6  * to deal in the Software without restriction, including without limitation
    7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    8  * and/or sell copies of the Software, and to permit persons to whom the
    9  * Software is furnished to do so, subject to the following conditions:
   10  *
   11  * The above copyright notice and this permission notice shall be included in
   12  * all copies or substantial portions of the Software.
   13  *
   14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
   18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   20  * OTHER DEALINGS IN THE SOFTWARE.
   21  */
   22 
   23 #include "nv50/nv84_video.h"
   24 
   25 struct iparm {
   26    struct iseqparm {
   27       uint32_t chroma_format_idc; // 00
   28       uint32_t pad[(0x128 - 0x4) / 4];
   29       uint32_t log2_max_frame_num_minus4; // 128
   30       uint32_t pic_order_cnt_type; // 12c
   31       uint32_t log2_max_pic_order_cnt_lsb_minus4; // 130
   32       uint32_t delta_pic_order_always_zero_flag; // 134
   33       uint32_t num_ref_frames; // 138
   34       uint32_t pic_width_in_mbs_minus1; // 13c
   35       uint32_t pic_height_in_map_units_minus1; // 140
   36       uint32_t frame_mbs_only_flag; // 144
   37       uint32_t mb_adaptive_frame_field_flag; // 148
   38       uint32_t direct_8x8_inference_flag; // 14c
   39    } iseqparm; // 000
   40    struct ipicparm {
   41       uint32_t entropy_coding_mode_flag; // 00
   42       uint32_t pic_order_present_flag; // 04
   43       uint32_t num_slice_groups_minus1; // 08
   44       uint32_t slice_group_map_type; // 0c
   45       uint32_t pad1[0x60 / 4];
   46       uint32_t u70; // 70
   47       uint32_t u74; // 74
   48       uint32_t u78; // 78
   49       uint32_t num_ref_idx_l0_active_minus1; // 7c
   50       uint32_t num_ref_idx_l1_active_minus1; // 80
   51       uint32_t weighted_pred_flag; // 84
   52       uint32_t weighted_bipred_idc; // 88
   53       uint32_t pic_init_qp_minus26; // 8c
   54       uint32_t chroma_qp_index_offset; // 90
   55       uint32_t deblocking_filter_control_present_flag; // 94
   56       uint32_t constrained_intra_pred_flag; // 98
   57       uint32_t redundant_pic_cnt_present_flag; // 9c
   58       uint32_t transform_8x8_mode_flag; // a0
   59       uint32_t pad2[(0x1c8 - 0xa0 - 4) / 4];
   60       uint32_t second_chroma_qp_index_offset; // 1c8
   61       uint32_t u1cc; // 1cc
   62       uint32_t curr_pic_order_cnt; // 1d0
   63       uint32_t field_order_cnt[2]; // 1d4
   64       uint32_t curr_mvidx; // 1dc
   65       struct iref {
   66          uint32_t u00; // 00
   67          uint32_t field_is_ref; // 04 // bit0: top, bit1: bottom
   68          uint8_t is_long_term; // 08
   69          uint8_t non_existing; // 09
   70          uint8_t u0a; // 0a
   71          uint8_t u0b; // 0b
   72          uint32_t frame_idx; // 0c
   73          uint32_t field_order_cnt[2]; // 10
   74          uint32_t mvidx; // 18
   75          uint8_t field_pic_flag; // 1c
   76          uint8_t u1d; // 1d
   77          uint8_t u1e; // 1e
   78          uint8_t u1f; // 1f
   79          // 20
   80       } refs[0x10]; // 1e0
   81    } ipicparm; // 150
   82 };
   83 
   84 int
   85 nv84_decoder_bsp(struct nv84_decoder *dec,
   86                  struct pipe_h264_picture_desc *desc,
   87                  unsigned num_buffers,
   88                  const void *const *data,
   89                  const unsigned *num_bytes,
   90                  struct nv84_video_buffer *dest)
   91 {
   92    struct iparm params;
   93    uint32_t more_params[0x44 / 4] = {0};
   94    unsigned total_bytes = 0;
   95    int i;
   96    static const uint32_t end[] = {0x0b010000, 0, 0x0b010000, 0};
   97    char indexes[17] = {0};
   98    struct nouveau_pushbuf *push = dec->bsp_pushbuf;
   99    struct nouveau_pushbuf_refn bo_refs[] = {
  100       { dec->vpring, NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM },
  101       { dec->mbring, NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM },
  102       { dec->bitstream, NOUVEAU_BO_RDWR | NOUVEAU_BO_GART },
  103       { dec->fence, NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM },
  104    };
  105 
  106    nouveau_bo_wait(dec->fence, NOUVEAU_BO_RDWR, dec->client);
  107 
  108    STATIC_ASSERT(sizeof(struct iparm) == 0x530);
  109 
  110    memset(&params, 0, sizeof(params));
  111 
  112    dest->frame_num = dest->frame_num_max = desc->frame_num;
  113 
  114    for (i = 0; i < 16; i++) {
  115       struct iref *ref = &params.ipicparm.refs[i];
  116       struct nv84_video_buffer *frame = (struct nv84_video_buffer *)desc->ref[i];
  117       if (!frame) break;
  118       /* The frame index is relative to the last IDR frame. So once the frame
  119        * num goes back to 0, previous reference frames need to have a negative
  120        * index.
  121        */
  122       if (desc->frame_num >= frame->frame_num_max) {
  123          frame->frame_num_max = desc->frame_num;
  124       } else {
  125          frame->frame_num -= frame->frame_num_max + 1;
  126          frame->frame_num_max = desc->frame_num;
  127       }
  128       ref->non_existing = 0;
  129       ref->field_is_ref = (desc->top_is_reference[i] ? 1 : 0) |
  130          (desc->bottom_is_reference[i] ? 2 : 0);
  131       ref->is_long_term = desc->is_long_term[i];
  132       ref->field_order_cnt[0] = desc->field_order_cnt_list[i][0];
  133       ref->field_order_cnt[1] = desc->field_order_cnt_list[i][1];
  134       ref->frame_idx = frame->frame_num;
  135       ref->u00 = ref->mvidx = frame->mvidx;
  136       ref->field_pic_flag = desc->field_pic_flag;
  137       indexes[frame->mvidx] = 1;
  138    }
  139 
  140    /* Needs to be adjusted if we ever support non-4:2:0 videos */
  141    params.iseqparm.chroma_format_idc = 1;
  142 
  143    params.iseqparm.pic_width_in_mbs_minus1 = mb(dec->base.width) - 1;
  144    if (desc->field_pic_flag || desc->pps->sps->mb_adaptive_frame_field_flag)
  145       params.iseqparm.pic_height_in_map_units_minus1 = mb_half(dec->base.height) - 1;
  146    else
  147       params.iseqparm.pic_height_in_map_units_minus1 = mb(dec->base.height) - 1;
  148 
  149    if (desc->bottom_field_flag)
  150       params.ipicparm.curr_pic_order_cnt = desc->field_order_cnt[1];
  151    else
  152       params.ipicparm.curr_pic_order_cnt = desc->field_order_cnt[0];
  153    params.ipicparm.field_order_cnt[0] = desc->field_order_cnt[0];
  154    params.ipicparm.field_order_cnt[1] = desc->field_order_cnt[1];
  155    if (desc->is_reference) {
  156       if (dest->mvidx < 0) {
  157          for (i = 0; i < desc->num_ref_frames + 1; i++) {
  158             if (!indexes[i]) {
  159                dest->mvidx = i;
  160                break;
  161             }
  162          }
  163          assert(i != desc->num_ref_frames + 1);
  164       }
  165 
  166       params.ipicparm.u1cc = params.ipicparm.curr_mvidx = dest->mvidx;
  167    }
  168 
  169    params.iseqparm.num_ref_frames = desc->num_ref_frames;
  170    params.iseqparm.mb_adaptive_frame_field_flag = desc->pps->sps->mb_adaptive_frame_field_flag;
  171    params.ipicparm.constrained_intra_pred_flag = desc->pps->constrained_intra_pred_flag;
  172    params.ipicparm.weighted_pred_flag = desc->pps->weighted_pred_flag;
  173    params.ipicparm.weighted_bipred_idc = desc->pps->weighted_bipred_idc;
  174    params.iseqparm.frame_mbs_only_flag = desc->pps->sps->frame_mbs_only_flag;
  175    params.ipicparm.transform_8x8_mode_flag = desc->pps->transform_8x8_mode_flag;
  176    params.ipicparm.chroma_qp_index_offset = desc->pps->chroma_qp_index_offset;
  177    params.ipicparm.second_chroma_qp_index_offset = desc->pps->second_chroma_qp_index_offset;
  178    params.ipicparm.pic_init_qp_minus26 = desc->pps->pic_init_qp_minus26;
  179    params.ipicparm.num_ref_idx_l0_active_minus1 = desc->num_ref_idx_l0_active_minus1;
  180    params.ipicparm.num_ref_idx_l1_active_minus1 = desc->num_ref_idx_l1_active_minus1;
  181    params.iseqparm.log2_max_frame_num_minus4 = desc->pps->sps->log2_max_frame_num_minus4;
  182    params.iseqparm.pic_order_cnt_type = desc->pps->sps->pic_order_cnt_type;
  183    params.iseqparm.log2_max_pic_order_cnt_lsb_minus4 = desc->pps->sps->log2_max_pic_order_cnt_lsb_minus4;
  184    params.iseqparm.delta_pic_order_always_zero_flag = desc->pps->sps->delta_pic_order_always_zero_flag;
  185    params.iseqparm.direct_8x8_inference_flag = desc->pps->sps->direct_8x8_inference_flag;
  186    params.ipicparm.entropy_coding_mode_flag = desc->pps->entropy_coding_mode_flag;
  187    params.ipicparm.pic_order_present_flag = desc->pps->bottom_field_pic_order_in_frame_present_flag;
  188    params.ipicparm.deblocking_filter_control_present_flag = desc->pps->deblocking_filter_control_present_flag;
  189    params.ipicparm.redundant_pic_cnt_present_flag = desc->pps->redundant_pic_cnt_present_flag;
  190 
  191    memcpy(dec->bitstream->map, &params, sizeof(params));
  192    for (i = 0; i < num_buffers; i++) {
  193       assert(total_bytes + num_bytes[i] < dec->bitstream->size / 2 - 0x700);
  194       memcpy(dec->bitstream->map + 0x700 + total_bytes, data[i], num_bytes[i]);
  195       total_bytes += num_bytes[i];
  196    }
  197    memcpy(dec->bitstream->map + 0x700 + total_bytes, end, sizeof(end));
  198    total_bytes += sizeof(end);
  199    more_params[1] = total_bytes;
  200    memcpy(dec->bitstream->map + 0x600, more_params, sizeof(more_params));
  201 
  202    PUSH_SPACE(push, 5 + 21 + 3 + 2 + 4 + 2);
  203    nouveau_pushbuf_refn(push, bo_refs, ARRAY_SIZE(bo_refs));
  204 
  205    /* Wait for the fence = 1 */
  206    BEGIN_NV04(push, SUBC_BSP(0x10), 4);
  207    PUSH_DATAh(push, dec->fence->offset);
  208    PUSH_DATA (push, dec->fence->offset);
  209    PUSH_DATA (push, 1);
  210    PUSH_DATA (push, 1);
  211 
  212    /* TODO: Use both halves of bitstream/vpring for alternating frames */
  213 
  214    /* Kick off the BSP */
  215    BEGIN_NV04(push, SUBC_BSP(0x400), 20);
  216    PUSH_DATA (push, dec->bitstream->offset >> 8);
  217    PUSH_DATA (push, (dec->bitstream->offset >> 8) + 7);
  218    PUSH_DATA (push, dec->bitstream->size / 2 - 0x700);
  219    PUSH_DATA (push, (dec->bitstream->offset >> 8) + 6);
  220    PUSH_DATA (push, 1);
  221    PUSH_DATA (push, dec->mbring->offset >> 8);
  222    PUSH_DATA (push, dec->frame_size);
  223    PUSH_DATA (push, (dec->mbring->offset + dec->frame_size) >> 8);
  224    PUSH_DATA (push, dec->vpring->offset >> 8);
  225    PUSH_DATA (push, dec->vpring->size / 2);
  226    PUSH_DATA (push, dec->vpring_residual);
  227    PUSH_DATA (push, dec->vpring_ctrl);
  228    PUSH_DATA (push, 0);
  229    PUSH_DATA (push, dec->vpring_residual);
  230    PUSH_DATA (push, dec->vpring_residual + dec->vpring_ctrl);
  231    PUSH_DATA (push, dec->vpring_deblock);
  232    PUSH_DATA (push, (dec->vpring->offset + dec->vpring_ctrl +
  233                      dec->vpring_residual + dec->vpring_deblock) >> 8);
  234    PUSH_DATA (push, 0x654321);
  235    PUSH_DATA (push, 0);
  236    PUSH_DATA (push, 0x100008);
  237 
  238    BEGIN_NV04(push, SUBC_BSP(0x620), 2);
  239    PUSH_DATA (push, 0);
  240    PUSH_DATA (push, 0);
  241 
  242    BEGIN_NV04(push, SUBC_BSP(0x300), 1);
  243    PUSH_DATA (push, 0);
  244 
  245    /* Write fence = 2, intr */
  246    BEGIN_NV04(push, SUBC_BSP(0x610), 3);
  247    PUSH_DATAh(push, dec->fence->offset);
  248    PUSH_DATA (push, dec->fence->offset);
  249    PUSH_DATA (push, 2);
  250 
  251    BEGIN_NV04(push, SUBC_BSP(0x304), 1);
  252    PUSH_DATA (push, 0x101);
  253    PUSH_KICK (push);
  254    return 0;
  255 }