glmocoshader.cc

   1 /*\r
   2     Copyright 2012 Marten Richter\r
   3 \r
   4     This file is part of VOMP.\r
   5 \r
   6     VOMP is free software; you can redistribute it and/or modify\r
   7     it under the terms of the GNU General Public License as published by\r
   8     the Free Software Foundation; either version 2 of the License, or\r
   9     (at your option) any later version.\r
  10 \r
  11     VOMP is distributed in the hope that it will be useful,\r
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14     GNU General Public License for more details.\r
  15 \r
  16     You should have received a copy of the GNU General Public License\r
  17     along with VOMP; if not, write to the Free Software\r
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.\r
  19 */\r
  20 #include "glmocoshader.h"\r
  21 #include "videovpeogl.h"\r
  22 \r
  23 #define BLOCK_TEXTURE_WIDTH 2048\r
  24 #define BLOCK_TEXTURE_HEIGHT 1024\r
  25 #define BLOCK_SIZE 64\r
  26 #define BLOCK_PER_ROW (32)\r
  27 \r
  28 // This implementation is for framed coded pictures only!\r
  29 // I did not find any DVB recording with field coded pictures\r
  30 // so I do not think they exist here, anyway I suspect we\r
  31 // need a totally different shader in this case\r
  32 // so first write the frame coded shader\r
  33 // and then later add if necessary field based support.\r
  34 \r
  35 const GLchar moco_vertex_shader[] =\r
  36                 "attribute vec4 block_pos;\n"\r
  37                 "attribute vec2 block_edge;\n"\r
  38                 "attribute vec4 block_types;\n"\r
  39                 "attribute vec2 index;\n"\r
  40                 "attribute vec4 PMV1;\n"\r
  41                 "attribute vec4 PMV2;\n"\r
  42                 "attribute float cbp;\n"\r
  43                 "uniform vec2 pict_scale;\n"\r
  44         //      "attribute vec2 tex_coord;\n"\r
  45                 "varying vec4 out_yblockpos_x;\n"\r
  46                 "varying vec4 out_yblockpos_y;\n"\r
  47                 "varying vec4 out_uvblockpos_xy;\n"\r
  48                 "varying vec2 out_block_edge;\n"\r
  49                 "varying vec4 out_misc_info;\n"\r
  50 \r
  51                 "varying float out_unsupported;\n"\r
  52                 "varying vec4 out_moco_pos;\n"\r
  53                 "varying vec4 out_moco_forward;\n"\r
  54                 "varying vec4 out_moco_backward;\n"\r
  55 \r
  56 \r
  57                 "const float one=1.0;\n"\r
  58                 "const float czero=0.0;\n"\r
  59                 "const float chalf=0.5;\n"\r
  60                 "const float c1024=1024.0;\n"\r
  61                 "const float c32=32.0;\n"\r
  62         //      "const float c1over32=0.03125;\n"\r
  63                 "const float c1over32=1./32.;\n"\r
  64 \r
  65 \r
  66                 "const float c65536=65536.;\n"\r
  67 \r
  68 \r
  69 \r
  70                 "const vec4  y_cbp=vec4(1.0,2.0,4.0,8.0);\n"\r
  71                 "const vec3  uv_cbp=vec3(16.0,32.0,64.0);\n"\r
  72                 "void main()\n"\r
  73                 "{\n"\r
  74                 // calculate cbp\r
  75                 //"  vec4 cbp_vec=vec4(cbp,cbp,cbp,cbp);\n"\r
  76 \r
  77                 // old cbp code\r
  78         //      "  vec4 fmod_cbp_y=mod(cbp_vec,y_cbp);\n"\r
  79         //      "  vec2 fmod_cbp_uv=mod(cbp_vec.xy,uv_cbp.xy);\n"\r
  80         //      "  fmod_cbp_y.x=0.;\n"\r
  81         //      "  fmod_cbp_y=sign(vec4(fmod_cbp_y.yzw,fmod_cbp_uv.x)-fmod_cbp_y);\n"\r
  82         //      "  fmod_cbp_uv=sign(vec2(fmod_cbp_uv.y,cbp)-fmod_cbp_uv);\n"\r
  83                 // resulting vector should indicate with block is present\r
  84                 // now transform it to a sum (TODO vectorize this)\r
  85 \r
  86 //this code is better but nor really working\r
  87         /*      "  vec4 fmod_cbp_y=mod(cbp_vec,vec4(uv_cbp.zyx,y_cbp.w));\n"\r
  88                 "  vec2 fmod_cbp_uv=mod(cbp_vec.xy,y_cbp.zy);\n"\r
  89                 "  fmod_cbp_y=vec4(lessThanEqual(vec4(uv_cbp.yx,y_cbp.wz),fmod_cbp_y));\n"\r
  90             "  fmod_cbp_uv=vec2(lessThanEqual(y_cbp.yx,fmod_cbp_uv));\n"\r
  91 \r
  92                 "  vec4 fmod_cbp_y2=fmod_cbp_y;\n"\r
  93                 "  vec2 fmod_cbp_uv2=fmod_cbp_uv;\n"\r
  94                 "  fmod_cbp_y2.y+=fmod_cbp_y2.x;\n"\r
  95                 "  fmod_cbp_y2.z+=fmod_cbp_y2.y;\n"\r
  96                 "  fmod_cbp_y2.w+=fmod_cbp_y2.z;\n"\r
  97                 "  fmod_cbp_uv2.x+=fmod_cbp_y2.w;\n"\r
  98                 "  fmod_cbp_uv2.y+=fmod_cbp_uv2.x;\n"*/\r
  99 \r
 100 \r
 101                 "  float tcbp=cbp;\n"\r
 102                 "  float tpos=czero;\n"\r
 103                 "  vec4 fmod_cbp_y=vec4(czero,czero,czero,czero);\n"\r
 104                 "  vec2 fmod_cbp_uv=vec2(czero,czero);\n"\r
 105                 "  vec4 fmod_cbp_y2=vec4(czero,czero,czero,czero);\n"\r
 106                 "  vec2 fmod_cbp_uv2=vec2(czero,czero);\n"\r
 107                 "  if (tcbp>=uv_cbp.y){\n"\r
 108                 "    fmod_cbp_y.x=one;\n"\r
 109                 "    fmod_cbp_y2.x=tpos;\n"\r
 110                 "    tpos++;\n"\r
 111                 "    tcbp-=uv_cbp.y;\n"\r
 112                 "  }\n"\r
 113                 "  if (tcbp>=uv_cbp.x){\n"\r
 114                 "    fmod_cbp_y.y=one;\n"\r
 115                 "    fmod_cbp_y2.y=tpos;\n"\r
 116                 "    tpos++;\n"\r
 117                 "    tcbp-=uv_cbp.x;\n"\r
 118                 "  }\n"\r
 119                 "  if (tcbp>=y_cbp.w){\n"\r
 120                 "    fmod_cbp_y.z=one;\n"\r
 121                 "    fmod_cbp_y2.z=tpos;\n"\r
 122                 "    tpos++;\n"\r
 123                 "    tcbp-=y_cbp.w;\n"\r
 124                 "  }\n"\r
 125                 "  if (tcbp>=y_cbp.z){\n"\r
 126                 "    fmod_cbp_y.w=one;\n"\r
 127                 "    fmod_cbp_y2.w=tpos;\n"\r
 128                 "    tpos++;\n"\r
 129                 "    tcbp-=y_cbp.z;\n"\r
 130                 "  }\n"\r
 131                 "  if (tcbp>=y_cbp.y){\n"\r
 132                 "    fmod_cbp_uv.x=one;\n"\r
 133                 "    fmod_cbp_uv2.x=tpos;\n"\r
 134                 "    tpos++;\n"\r
 135                 "    tcbp-=y_cbp.y;\n"\r
 136                 "  }\n"\r
 137                 "  if (tcbp>=y_cbp.x){\n"\r
 138                 "    fmod_cbp_uv.y=one;\n"\r
 139                 "    fmod_cbp_uv2.y=tpos;\n"\r
 140         //      "    tpos++;\n"\r
 141         //      "    tcbp-=y_cbp.y;\n"\r
 142                 "  }\n"\r
 143 \r
 144 \r
 145 \r
 146 \r
 147 \r
 148 \r
 149 \r
 150 \r
 151                 // now calculate their position inside the short array\r
 152                 "  float m_index=index.x/*+index.y*c65536*/;\n" //Not Endian save\r
 153                 "  fmod_cbp_y2+=m_index;\n" //shift to the blocks\r
 154                 "  fmod_cbp_uv2+=m_index;\n"\r
 155 \r
 156                 "  out_yblockpos_y=floor((fmod_cbp_y2)*c1over32);\n"\r
 157                 "  out_uvblockpos_xy.zw=floor((fmod_cbp_uv2)*c1over32);\n"\r
 158                 "  out_yblockpos_x=fmod_cbp_y2-c32*out_yblockpos_y;\n"\r
 159             "  out_uvblockpos_xy.xy=fmod_cbp_uv2-c32*out_uvblockpos_xy.zw;\n"\r
 160 \r
 161 \r
 162 \r
 163                 //Kick out uncoded blocks\r
 164         //      "  out_yblockpos_y-=sign(fmod_cbp_y-one)*c1024;\n"\r
 165         //      "  out_uvblockpos_xy.zw-=sign(fmod_cbp_uv-one)*c1024;\n"\r
 166 \r
 167                 "  out_yblockpos_y=mix(vec4(c1024,c1024,c1024,c1024),out_yblockpos_y,fmod_cbp_y);\n"\r
 168                 "  out_uvblockpos_xy.zw=mix(vec2(c1024,c1024),out_uvblockpos_xy.zw,fmod_cbp_uv);\n"\r
 169 \r
 170 \r
 171                 // set start positions\r
 172         //      "  vec4 motion_vertical=vec4(block_types.z,block_types.z,block_types.z,block_types.z);\n"\r
 173         //      "  vec4 mod_motion_vertical=mod(motion_vertical,vec4(y_cbp.yzw,uv_cbp.x));\n"\r
 174         //      "  mod_motion_vertical=vec4(lessThanEqual(y_cbp,mod_motion_vertical));\n"\r
 175 \r
 176                 "  out_moco_pos.xy=(block_pos.xy+block_edge.xy)*uv_cbp.x/*16*/+one;"\r
 177                 "  out_unsupported=czero;\n"\r
 178                 "  out_moco_pos.zw=vec2(czero,czero);\n"\r
 179                 "  out_misc_info.y=one;\n" // this is the y step\r
 180                 "  if (block_types.x<uv_cbp.x /* 16*/) {\n" // not intra coded\r
 181                 "         float forward_backward=mod(block_types.x,y_cbp.w /* 8*/);\n"\r
 182                 "     out_moco_pos.zw=vec2(one,czero);\n"\r
 183                 "     if (forward_backward>y_cbp.z /* 4*/) {\n"\r
 184                 "         out_moco_pos.zw=vec2(chalf,chalf);\n"\r
 185                 //"          out_unsupported=2.;\n"\r
 186                 "     } else if (forward_backward>y_cbp.y /* 2*/ ) {\n" //backward\r
 187                 "         out_moco_pos.zw=vec2(czero,one);\n"\r
 188                 //"          out_unsupported=2.;\n"\r
 189                 "     } else {\n" //forward\r
 190                 "         out_moco_pos.zw=vec2(one,czero);\n"\r
 191                 "     } \n"\r
 192                 "     if ((out_moco_pos.w+out_moco_pos.z)>y_cbp.x) {"\r
 193                 "         out_moco_pos.zw*=chalf;\n"\r
 194                 "     }\n"\r
 195                 "     if (block_types.y==y_cbp.y /*2*/) {" //Frame\r
 196                 "        out_moco_forward=vec4(PMV1.xy,PMV1.xy);\n"\r
 197                 "        out_moco_backward=vec4(PMV1.zw,PMV1.zw);\n"\r
 198                 //"          out_unsupported=2.;\n"\r
 199                 "     } else if (block_types.y==y_cbp.x /*1*/) {" //Field\r
 200                 "        out_moco_forward=vec4(PMV1.xy,PMV2.xy);\n"\r
 201                 "        out_moco_backward=vec4(PMV1.zw,PMV2.zw);\n"\r
 202 \r
 203                 "        float motion_vert=block_types.z;\n"\r
 204                 "        out_moco_forward.w-=one;\n"\r
 205                 "        out_moco_backward.w-=one;\n"\r
 206                 "        if (motion_vert>= y_cbp.w) {\n" //second_backward\r
 207                 "            motion_vert-=y_cbp.w;\n"\r
 208                 "            out_moco_backward.w+=one;\n"\r
 209                 "         }\n"\r
 210                 "        if (motion_vert>= y_cbp.z) {\n" //second_forward\r
 211                 "            motion_vert-=y_cbp.z;\n"\r
 212                 "            out_moco_forward.w+=one;\n"\r
 213                 "         }\n"\r
 214                 "        if (motion_vert>= y_cbp.y) {\n" //first_backward\r
 215                 "            motion_vert-=y_cbp.y;\n"\r
 216                 "            out_moco_backward.y+=one;\n"\r
 217                 "         }\n"\r
 218                 "        if (motion_vert>= y_cbp.x) {\n" //second_forward\r
 219                 //"            motion_vert-=y_cbp.z;\n"\r
 220                 "            out_moco_forward.y+=one;\n"\r
 221                 "         }\n"\r
 222         /*      "        out_moco_forward.y+=mod_motion_vertical.x;\n"\r
 223                 "        out_moco_backward.y+=mod_motion_vertical.y;\n"\r
 224                 "        out_moco_forward.w-=one-mod_motion_vertical.z;\n"\r
 225                 "        out_moco_backward.w-=one-mod_motion_vertical.w;\n"*/\r
 226                 "         out_misc_info.y=one;\n" // step to for field based\r
 227         //      "            out_unsupported=2.;\n"\r
 228                 "     } else {\n"\r
 229                 "            out_unsupported=1.;\n"\r
 230                 "     }\n"\r
 231                 "  }\n"\r
 232         //      "   if (cbp==63. || cbp==0.) out_unsupported=2.;\n"\r
 233         //      "   if (fmod_cbp_y.w==1. && mod(cbp,8.)>=4.) out_unsupported=2.;\n"\r
 234 \r
 235 \r
 236 \r
 237 \r
 238                 "  out_block_edge=block_edge;\n"\r
 239                 "  out_misc_info.x=block_types.w;\n"\r
 240                 "  vec4 out_pos=block_pos;\n"\r
 241                 "  out_pos.xy+=block_edge;\n"\r
 242                 "  out_pos.xy*=pict_scale;\n"\r
 243                 "  out_pos.xy-=vec2(one,one);"\r
 244                 "  out_pos.zw=vec2(one,one);"\r
 245                 " gl_Position=out_pos;\n"\r
 246                 "}\n";\r
 247 \r
 248 const GLchar moco_frag_shader[] =\r
 249                 "precision mediump float;\n"\r
 250                 "uniform sampler2D blocks;\n"\r
 251                 "uniform sampler2D forward_pic;\n"\r
 252                 "uniform sampler2D backward_pic;\n"\r
 253                 "uniform vec2 pict_size;\n"\r
 254                 "varying vec4 out_yblockpos_x;\n"\r
 255                 "varying vec4 out_yblockpos_y;\n"\r
 256                 "varying vec4 out_uvblockpos_xy;\n"\r
 257                 "varying vec2 out_block_edge;\n"\r
 258                 "varying vec4 out_misc_info;\n"// misc info x= DCT info, y= field based offsets\r
 259                 "varying float out_unsupported;\n"\r
 260                 "varying vec4 out_moco_forward;\n"\r
 261                 "varying vec4 out_moco_backward;\n"\r
 262                 "varying vec4 out_moco_pos;\n"\r
 263 \r
 264                 "const float halfst=0.5;\n"\r
 265                 "const float ctwo=2.0;\n"\r
 266                 "const float cone=1.0;\n"\r
 267                 "const float czero=0.0;\n"\r
 268                 "const float sieben=7.0;\n"\r
 269                 "const float acht=8.0;\n"\r
 270                 "const float s8=1./8.;\n"\r
 271                 "const float s16=1./16.;\n"\r
 272                 "const float c1over2048=1./2048.;\n"\r
 273                 "const float c1over1024=1./1024.;\n"\r
 274                 "const float c255=255.;\n"\r
 275                 "const float c65280=65280.;\n"\r
 276                 "const float c65536=65536.;\n"\r
 277                 "const float cstep=32767.;\n"\r
 278                 "\n"\r
 279                 "float unpack_short(vec2 income) {\n"\r
 280                 "   float temp=income.y*c65280+income.x*c255;\n"\r
 281                 "   temp-=step(cstep,temp)*c65536;\n"\r
 282                 "   return temp/c255;\n"\r
 283                 "}"\r
 284         //      "uniform sampler2D textureV;\n"\r
 285         //      "uniform sampler2D textureY;\n"\r
 286 //              "varying vec2 out_texCoord;\n"\r
 287                 "void main()\n"\r
 288                 "{\n"\r
 289                 // first figure out the block num for y, first decide between up and down, fix me field\r
 290         //non field code\r
 291                 " vec4 ypos_temp1;\n"\r
 292                 " vec4 our_fragcol=vec4(czero,czero,czero,cone);\n"\r
 293                 " bool upper_half;\n"\r
 294                 " float line_step;\n"\r
 295                 " if (out_misc_info.x!=0.) {\n" //test the dct type\r
 296                 "  upper_half=mod(floor(out_block_edge.y*acht),ctwo)==cone;\n"\r
 297                 "  line_step=cone;\n"\r
 298                 "}else{\n"\r
 299                 "  upper_half=halfst<out_block_edge.y;\n"\r
 300                 "  line_step=ctwo;\n"\r
 301                 "}\n"\r
 302                 " if (upper_half) {\n"\r
 303                 "  ypos_temp1=vec4(out_yblockpos_x.z,out_yblockpos_y.z,out_yblockpos_x.w,out_yblockpos_y.w);\n"\r
 304                 "  } else {\n"\r
 305                 "    ypos_temp1=vec4(out_yblockpos_x.x,out_yblockpos_y.x,out_yblockpos_x.y,out_yblockpos_y.y);\n"\r
 306                 " }\n"\r
 307     //  " vec4 ypos_temp1=mix(vec4(out_yblockpos_x.x,out_yblockpos_y.x,out_yblockpos_x.y,out_yblockpos_y.y),"\r
 308         //      "                  vec4(out_yblockpos_x.z,out_yblockpos_y.z,out_yblockpos_x.w,out_yblockpos_y.w),step(halfst,out_block_edge.y));\n"\r
 309                 //field code\r
 310         //      " vec4 ypos_temp1=mix(vec4(out_yblockpos_x.x,out_yblockpos_y.x,out_yblockpos_x.y,out_yblockpos_y.y),"\r
 311         //                      "                  vec4(out_yblockpos_x.z,out_yblockpos_y.z,out_yblockpos_x.w,out_yblockpos_y.w),step(s16,mod(out_block_edge.y,s8)));\n"\r
 312 \r
 313                 //decide between left and right\r
 314                 " vec4 ypos_temp2;\n"\r
 315                 "if (halfst<out_block_edge.x){\n"\r
 316                 "  ypos_temp2.xy=ypos_temp1.zw;\n"\r
 317                 " }else {\n"\r
 318                 "  ypos_temp2.xy=ypos_temp1.xy;\n"\r
 319                 " }\n"\r
 320                 //now get the intra 8x8 Block coordinates\r
 321                 " vec2 ypos_temp3=floor(mod(out_block_edge*vec2(ctwo,line_step),cone)*acht);\n"\r
 322                 " ypos_temp2.x=(ypos_temp3.x+(ypos_temp3.y+acht*(ypos_temp2.x))*acht);\n"\r
 323                 //" bool subsample=(mod(ypos_temp2.x,ctwo)>halfst);\n"\r
 324                 " bool subsample=mod(ypos_temp3.x,ctwo)==cone;\n"\r
 325                 " ypos_temp2.x*=halfst;\n"\r
 326                 " ypos_temp2.xy*=c1over1024;\n"\r
 327                 " ypos_temp1=texture2D(blocks,ypos_temp2.xy);\n" // now select the right data\r
 328                 "if (subsample){\n"\r
 329                 "  ypos_temp2.xy=ypos_temp1.zw;\n"\r
 330                 //"  ypos_temp2=vec2(cone,0.);\n"\r
 331                 " }else {\n"\r
 332                 "  ypos_temp2.xy=ypos_temp1.xy;\n"\r
 333                 " }\n"\r
 334                 " our_fragcol.r=unpack_short(ypos_temp2.rg);\n"\r
 335 \r
 336                 //now uv\r
 337                 " ypos_temp3=floor(out_block_edge*acht);\n"\r
 338                 " ypos_temp2.yw=floor(out_uvblockpos_xy.zw);\n"\r
 339                 " ypos_temp2.xz=(ypos_temp3.x+(ypos_temp3.y+acht*(out_uvblockpos_xy.xy))*acht);\n"\r
 340                                 //" bool subsample=(mod(ypos_temp2.x,ctwo)>halfst);\n"\r
 341                 " subsample=mod(ypos_temp3.x,ctwo)==cone;\n"\r
 342                 " ypos_temp2.xz*=halfst;\n"\r
 343                 " ypos_temp2*=c1over1024;\n"\r
 344 \r
 345                 " ypos_temp1=texture2D(blocks,ypos_temp2.xy);\n" // now select the right data\r
 346                 " if (subsample){\n"\r
 347                 "  ypos_temp2.xy=ypos_temp1.zw;\n"\r
 348                 " }else {\n"\r
 349                 "  ypos_temp2.xy=ypos_temp1.xy;\n"\r
 350                 " }\n"\r
 351                 " our_fragcol.g=unpack_short(ypos_temp2.rg);\n"\r
 352 \r
 353                 " ypos_temp1=texture2D(blocks,ypos_temp2.zw);\n" // now select the right data\r
 354                 " if (subsample){\n"\r
 355                 "  ypos_temp2.xy=ypos_temp1.zw;\n"\r
 356                 " }else {\n"\r
 357                 "  ypos_temp2.xy=ypos_temp1.xy;\n"\r
 358                 " }\n"\r
 359                 " our_fragcol.b=unpack_short(ypos_temp2.rg);\n"\r
 360                 //MOCO\r
 361                 // decide if it is top or bottom\r
 362                 " vec4 moco_work;\n"\r
 363                 " if (mod(floor(out_moco_pos.y),ctwo)!=cone) {\n"\r
 364                 "      moco_work=vec4(out_moco_forward.xy,out_moco_backward.xy);\n"\r
 365                 "} else {\n"\r
 366                 "      moco_work=vec4(out_moco_forward.zw,out_moco_backward.zw);\n"\r
 367                 "}\n"\r
 368                 // now we handle the y fetching\r
 369                 " vec4 moco_temp;\n"\r
 370                 " vec4 subpixel=floor(mod(moco_work,ctwo))*halfst; \n"\r
 371                 " moco_temp=floor(moco_work*halfst)+floor(vec4(out_moco_pos.xy,out_moco_pos.xy));\n"\r
 372                 " vec4 c00,c01,c10,c11;\n"\r
 373 \r
 374                 " c00=texture2D(forward_pic,moco_temp.xy*pict_size);\n"\r
 375                 " c01=texture2D(forward_pic,(moco_temp.xy+vec2(czero,out_misc_info.y))*pict_size);\n"\r
 376                 " c10=texture2D(forward_pic,(moco_temp.xy+vec2(cone,czero))*pict_size);\n"\r
 377                 " c11=texture2D(forward_pic,(moco_temp.xy+vec2(cone,out_misc_info.y))*pict_size);\n"\r
 378                 " our_fragcol.r+=mix(mix(c00.r,c10.r,subpixel.x),mix(c01.r,c11.r,subpixel.x),subpixel.y)*out_moco_pos.z;\n"\r
 379 \r
 380 \r
 381                 " c00=texture2D(backward_pic,moco_temp.zw*pict_size);\n"//backward\r
 382                 " c01=texture2D(backward_pic,(moco_temp.zw+vec2(czero,out_misc_info.y))*pict_size);\n"\r
 383                 " c10=texture2D(backward_pic,(moco_temp.zw+vec2(cone,czero))*pict_size);\n"\r
 384                 " c11=texture2D(backward_pic,(moco_temp.zw+vec2(cone,out_misc_info.y))*pict_size);\n"\r
 385                 " our_fragcol.r+=mix(mix(c00.r,c10.r,subpixel.z),mix(c01.r,c11.r,subpixel.z),subpixel.w)*out_moco_pos.w;\n"\r
 386                 // now handle UV\r
 387                 " subpixel=floor(mod(moco_work*halfst,ctwo))*halfst; \n"\r
 388                 " moco_temp=(floor(moco_work*halfst*halfst)+floor(vec4(out_moco_pos.xy,out_moco_pos.xy)*halfst))*ctwo;\n"\r
 389 \r
 390                 " c00=texture2D(forward_pic,moco_temp.xy*pict_size);\n"\r
 391                 " c01=texture2D(forward_pic,(moco_temp.xy+vec2(czero,ctwo*out_misc_info.y))*pict_size);\n"\r
 392                 " c10=texture2D(forward_pic,(moco_temp.xy+vec2(ctwo,czero))*pict_size);\n"\r
 393                 " c11=texture2D(forward_pic,(moco_temp.xy+vec2(ctwo,ctwo*out_misc_info.y))*pict_size);\n"\r
 394                 " our_fragcol.gb+=mix(mix(c00.gb,c10.gb,subpixel.x),mix(c01.gb,c11.gb,subpixel.x),subpixel.y)*out_moco_pos.z;\n"\r
 395 \r
 396                 " c00=texture2D(backward_pic,moco_temp.zw*pict_size);\n"\r
 397                 " c01=texture2D(backward_pic,(moco_temp.zw+vec2(czero,ctwo*out_misc_info.y))*pict_size);\n"\r
 398                 " c10=texture2D(backward_pic,(moco_temp.zw+vec2(ctwo,czero))*pict_size);\n"\r
 399                 " c11=texture2D(backward_pic,(moco_temp.zw+vec2(ctwo,ctwo*out_misc_info.y))*pict_size);\n"\r
 400                 " our_fragcol.gb+=mix(mix(c00.gb,c10.gb,subpixel.z),mix(c01.gb,c11.gb,subpixel.z),subpixel.w)*out_moco_pos.w;\n"\r
 401 \r
 402                 "  gl_FragColor.rgb=vec3(our_fragcol.r,halfst,halfst);\n"\r
 403                 " if (out_unsupported==1.) {\n"\r
 404                 "    gl_FragColor.gb=vec2(cone,0.0);\n"\r
 405                 "}else if (out_unsupported==2.) {\n"\r
 406                 "    gl_FragColor.gb=vec2(0.0,cone);\n"\r
 407                 "}\n"\r
 408 \r
 409 \r
 410                 //" ypos_temp2=mix(ypos_temp1.rg,ypos_temp1.ba,step(c1over2047,mod(ypos_temp2.x,c1over1023)));\n" //activate this\r
 411 \r
 412 \r
 413                 //" gl_FragColor.r=subsample/acht;\n" //signed later TODO\r
 414                 //" gl_FragColor.g=0.5;\n"\r
 415                 //" gl_FragColor.b=0.5;\n"\r
 416                 " gl_FragColor.a=1.0;\n"\r
 417                 //" vec4 blocks=texture2D(blocks,gl_FragCoord.xy/600.);\n"\r
 418 //              "help.x=texture2D(textureY,out_texCoord).r;\n"\r
 419 //              "help.y=texture2D(textureU,out_texCoord).r;\n"\r
 420 //              "help.z=texture2D(textureV,out_texCoord).r;\n" //-uv_corr;\n"\r
 421    //   "  gl_FragColor.rgba=blocks;\n"\r
 422         //      "  gl_FragColor.rgba=vec4(0.7,0.5,0.5,1.0);\n"\r
 423                 //"  gl_FragColor.a=1.;\n"\r
 424                 "}\n";\r
 425 \r
 426 GLMocoShader::GLMocoShader(): GLShader("GLMocoShader")\r
 427 {\r
 428 \r
 429         frame_buf=0;\r
 430         blocks_loc=0;\r
 431 }\r
 432 \r
 433 GLMocoShader::~GLMocoShader()\r
 434 {\r
 435         //parent does everything\r
 436 }\r
 437 \r
 438 int GLMocoShader::init() {\r
 439 \r
 440         if (!initShaders(moco_vertex_shader, moco_frag_shader)) {\r
 441                 Log::getInstance()->log("GLMocoShader", Log::ERR, "init Shaders failed for GLMocoShader");\r
 442                 return 0;\r
 443         }\r
 444         loc_pict_scale = glGetUniformLocation(shad_program, "pict_scale");\r
 445         blocks_loc = glGetUniformLocation(shad_program, "blocks");\r
 446         forward_pic_loc = glGetUniformLocation(shad_program, "forward_pic");\r
 447         backward_pic_loc = glGetUniformLocation(shad_program, "backward_pic");\r
 448     pict_size_loc = glGetUniformLocation(shad_program, "pict_size");\r
 449 \r
 450 //      frame_sampler_locY = glGetUniformLocation(shad_program, "textureY");\r
 451         // Log::getInstance()->log("OSD", Log::WARN, "uniform location %x %x",frame_sampler_locY,glGetError());\r
 452 //      frame_sampler_locU = glGetUniformLocation(shad_program, "textureU");\r
 453         //Log::getInstance()->log("OSD", Log::WARN, "uniform location %x %x",frame_sampler_locU,glGetError());\r
 454 //      frame_sampler_locV = glGetUniformLocation(shad_program, "textureV");\r
 455         glGenFramebuffers(1, &frame_buf);\r
 456         //Log::getInstance()->log("GLMocoShader", Log::WARN, "genframe bufmark1 glerror %x",glGetError());\r
 457         glGenTextures(1, &data_blocks);\r
 458         glBindTexture(GL_TEXTURE_2D, data_blocks);\r
 459         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, BLOCK_TEXTURE_WIDTH >>1, BLOCK_TEXTURE_HEIGHT, 0, GL_RGBA,\r
 460                                 GL_UNSIGNED_BYTE, NULL);\r
 461         char buffer[BLOCK_TEXTURE_WIDTH*2];\r
 462         memset(buffer,0,BLOCK_TEXTURE_WIDTH*2); // the last line is black, simplifies the shader algorithms\r
 463 \r
 464         glTexSubImage2D(GL_TEXTURE_2D,0,0,BLOCK_TEXTURE_HEIGHT-1,\r
 465                         BLOCK_TEXTURE_WIDTH>>1,1,\r
 466                         GL_RGBA,GL_UNSIGNED_BYTE,\r
 467                         buffer);\r
 468 \r
 469         glGenBuffers(1,&macro_block);\r
 470         glBindBuffer(GL_ARRAY_BUFFER,macro_block);\r
 471         glBufferData(GL_ARRAY_BUFFER,4096*4*sizeof(XvMCMacroBlock),NULL,GL_DYNAMIC_DRAW);\r
 472         valid_macro_blocks=0;\r
 473 \r
 474 \r
 475         glGenBuffers(1,&triangles);\r
 476         glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,triangles);\r
 477         GLushort *tri_indices=(GLushort *)malloc(sizeof(GLushort)*4096*6);\r
 478         if (!tri_indices) {\r
 479                 Log::getInstance()->log("GLMocoShader", Log::WARN, "allocating triindices failed");\r
 480                 return 0;\r
 481         }\r
 482         GLushort *tri_indices_run=tri_indices;\r
 483         for (int i=0;i<4096;i++) {\r
 484                 *tri_indices_run=i+0*4096;  //strip\r
 485                 tri_indices_run++;\r
 486                 *tri_indices_run=i+2*4096;  //strip\r
 487                 tri_indices_run++;\r
 488                 *tri_indices_run=i+1*4096;  //strip\r
 489                 tri_indices_run++;\r
 490                 *tri_indices_run=i+3*4096;  //strip\r
 491                 tri_indices_run++;\r
 492                 *tri_indices_run=i+3*4096;  //strip\r
 493                 tri_indices_run++;\r
 494                 *tri_indices_run=i+1+0*4096;  //strip\r
 495                 tri_indices_run++;\r
 496         }\r
 497 \r
 498 \r
 499 \r
 500 \r
 501 \r
 502         glBufferData(GL_ELEMENT_ARRAY_BUFFER,4096*6*sizeof(GLushort),tri_indices,GL_STREAM_DRAW);\r
 503         free(tri_indices);\r
 504 \r
 505         glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0);\r
 506         glBindBuffer(GL_ARRAY_BUFFER,0);\r
 507 \r
 508 \r
 509 \r
 510         return 1;\r
 511 \r
 512 }\r
 513 \r
 514 int GLMocoShader::deinit()\r
 515 {\r
 516         glDeleteFramebuffers(1, &frame_buf);\r
 517         glDeleteTextures(1, &data_blocks);\r
 518         return deinitShaders();\r
 519 }\r
 520 \r
 521 \r
 522 \r
 523 int GLMocoShader::uploadDataBlocks(short* blocks,unsigned int num_blocks, XvMCMacroBlock *m_blocks,unsigned int num_m_blocks)\r
 524 {\r
 525         unsigned int height=(num_blocks)/(BLOCK_PER_ROW);\r
 526 \r
 527         glBindTexture(GL_TEXTURE_2D, data_blocks);\r
 528         glPixelStorei(GL_UNPACK_ALIGNMENT,1);\r
 529 \r
 530 \r
 531 \r
 532 \r
 533         Log::getInstance()->log("GLMocoShader", Log::WARN, "uploadDataBlocks mark1 %d %d %d",height,num_blocks,num_m_blocks);\r
 534         glTexSubImage2D(GL_TEXTURE_2D,0,0,0,\r
 535                 BLOCK_TEXTURE_WIDTH>>1,height,\r
 536                 GL_RGBA,GL_UNSIGNED_BYTE,\r
 537                 blocks);\r
 538 //      Log::getInstance()->log("GLMocoShader", Log::WARN, "uploadDataBlocks mark2 glerror %x",glGetError());\r
 539         glTexSubImage2D(GL_TEXTURE_2D,0,0,height,\r
 540                         ((num_blocks%BLOCK_PER_ROW)>>1)*BLOCK_SIZE,1,\r
 541                         GL_RGBA,GL_UNSIGNED_BYTE,\r
 542                         blocks+height*BLOCK_PER_ROW*BLOCK_SIZE);\r
 543 \r
 544         //Log::getInstance()->log("GLMocoShader", Log::WARN, "uploadDataBlocks mark2 glerror %x",glGetError());\r
 545 \r
 546 \r
 547 \r
 548         glBindTexture(GL_TEXTURE_2D, 0);\r
 549 \r
 550         valid_macro_blocks=num_m_blocks;\r
 551         glBindBuffer(GL_ARRAY_BUFFER,macro_block);\r
 552         XvMCMacroBlock *m_blocks_run=m_blocks;\r
 553         XvMCMacroBlock *m_blocks_end=m_blocks+num_m_blocks;\r
 554         while (m_blocks_run!=m_blocks_end) {\r
 555                 m_blocks_run->pad0=0xFF00;\r
 556         //      Log::getInstance()->log("GLMocoShader", Log::WARN, "uploadDataBlocks coded block %x %x %d",\r
 557         //                      m_blocks_run->coded_block_pattern, m_blocks_run->macroblock_type,m_blocks_run->index);\r
 558                 m_blocks_run++;\r
 559 \r
 560         }\r
 561         // debug\r
 562 /*      m_blocks[0].x=0;\r
 563         m_blocks[0].y=0;\r
 564         m_blocks[3]=m_blocks[2]=m_blocks[1]=m_blocks[0];\r
 565         m_blocks[0].pad0=0xFF00;\r
 566         m_blocks[1].pad0=0xFFFF;\r
 567         m_blocks[2].pad0=0x0000;\r
 568         m_blocks[3].pad0=0x00FF;\r
 569         m_blocks[1].x=0;\r
 570         m_blocks[1].y=0;\r
 571         m_blocks[2].x=0;\r
 572         m_blocks[2].y=0;\r
 573         m_blocks[3].x=0;\r
 574         m_blocks[3].y=0;*/\r
 575 \r
 576         glBufferSubData(GL_ARRAY_BUFFER, 0* sizeof(XvMCMacroBlock), num_m_blocks * sizeof(XvMCMacroBlock),\r
 577                         m_blocks);\r
 578 \r
 579 \r
 580         m_blocks_run = m_blocks;\r
 581         m_blocks_end = m_blocks + num_m_blocks;\r
 582         while (m_blocks_run != m_blocks_end) {\r
 583                 m_blocks_run->pad0 = 0xFFFF;\r
 584                 m_blocks_run++;\r
 585         }\r
 586         glBufferSubData(GL_ARRAY_BUFFER, 4096* sizeof(XvMCMacroBlock), num_m_blocks * sizeof(XvMCMacroBlock),\r
 587                         m_blocks);\r
 588 \r
 589 \r
 590         m_blocks_run = m_blocks;\r
 591         m_blocks_end = m_blocks + num_m_blocks;\r
 592         while (m_blocks_run != m_blocks_end) {\r
 593                 m_blocks_run->pad0 = 0x0000;\r
 594                 m_blocks_run++;\r
 595         }\r
 596         glBufferSubData(GL_ARRAY_BUFFER, 2 * 4096* sizeof(XvMCMacroBlock),\r
 597                         num_m_blocks * sizeof(XvMCMacroBlock), m_blocks);\r
 598 \r
 599 \r
 600         m_blocks_run = m_blocks;\r
 601         m_blocks_end = m_blocks + num_m_blocks;\r
 602         while (m_blocks_run != m_blocks_end) {\r
 603                 m_blocks_run->pad0 = 0x00FF;\r
 604                 m_blocks_run++;\r
 605         }\r
 606         glBufferSubData(GL_ARRAY_BUFFER, 3 * 4096* sizeof(XvMCMacroBlock),\r
 607                         num_m_blocks * sizeof(XvMCMacroBlock), m_blocks);\r
 608 \r
 609 \r
 610         glBindBuffer(GL_ARRAY_BUFFER,0);\r
 611 \r
 612         return 1;\r
 613 \r
 614 \r
 615 \r
 616 }\r
 617 \r
 618 int GLMocoShader::doMoCo(VPEOGLFrame *target,VPEOGLFrame *forward,VPEOGLFrame *backward)\r
 619 {\r
 620 \r
 621 //      Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark-2 glerror %x %x",glGetError(),frame_buf);\r
 622 \r
 623         //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark-1 glerror %x %x",glGetError(),frame_buf);\r
 624         glBindFramebuffer(GL_FRAMEBUFFER, frame_buf);\r
 625         //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark1 glerror %x %x %x",glGetError(),target->textures[0],target->textures[1]);\r
 626 \r
 627 \r
 628         glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,\r
 629                         GL_TEXTURE_2D, target->textures[0], 0);\r
 630         //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark1apres glerror %x",glGetError());\r
 631 \r
 632 \r
 633 \r
 634 \r
 635 \r
 636         //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark2 glerror %x",glGetError());\r
 637 \r
 638         //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark2a glerror %x",glGetError());\r
 639 \r
 640         int status = glCheckFramebufferStatus(GL_FRAMEBUFFER);\r
 641         if (status == GL_FRAMEBUFFER_COMPLETE) {\r
 642                 glViewport(0, 0, target->width,target->height);\r
 643         //      Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark2b glerror %x",glGetError());\r
 644 \r
 645                 XvMCMacroBlock * helperp=NULL;\r
 646 \r
 647                 glClearColor(0.0f,0.5f,0.5f,1.f); //this black\r
 648                 glClear(GL_COLOR_BUFFER_BIT);\r
 649                 //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark2c glerror %x",glGetError());\r
 650 \r
 651                 glUseProgram(shad_program);\r
 652                 //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark3 glerror %x",glGetError());\r
 653 \r
 654 \r
 655                 const GLfloat pict_scale[]={  32./((float)target->width),32./((float)target->height)};\r
 656 \r
 657                 glUniform2fv(loc_pict_scale,1,(const GLfloat*)&pict_scale);\r
 658 \r
 659 \r
 660                 const GLfloat pict_size[]={  1./((float)target->width),1./((float)target->height)};\r
 661                 glUniform2fv(pict_size_loc,1,(const GLfloat*)&pict_size);\r
 662 \r
 663                 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,triangles);\r
 664                                 //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark5 glerror %x",glGetError());\r
 665                 glBindBuffer(GL_ARRAY_BUFFER,macro_block);\r
 666 \r
 667 \r
 668 \r
 669                 glVertexAttribPointer(0, 2, GL_SHORT, GL_FALSE,\r
 670                                 sizeof(XvMCMacroBlock), NULL);\r
 671 \r
 672                 glEnableVertexAttribArray(0);\r
 673 \r
 674                 glVertexAttribPointer(1, 2, GL_UNSIGNED_BYTE, GL_TRUE,sizeof(XvMCMacroBlock), (const void *) &(helperp->pad0));\r
 675                 glEnableVertexAttribArray(1);\r
 676 \r
 677                 glVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_FALSE,sizeof(XvMCMacroBlock), (const void *) &(helperp->macroblock_type));\r
 678                 glEnableVertexAttribArray(2);\r
 679 \r
 680                 glVertexAttribPointer(3, 1, GL_UNSIGNED_SHORT, GL_FALSE,sizeof(XvMCMacroBlock), (const void *) &(helperp->coded_block_pattern));\r
 681                 glEnableVertexAttribArray(3);\r
 682                 glVertexAttribPointer(4, 2, GL_UNSIGNED_SHORT, GL_FALSE,sizeof(XvMCMacroBlock), (const void *) &(helperp->index));\r
 683                 glEnableVertexAttribArray(4);\r
 684 \r
 685                 glVertexAttribPointer(5, 4, GL_SHORT, GL_FALSE,sizeof(XvMCMacroBlock), (const void *) &(helperp->PMV[0][0][0]));\r
 686                 glEnableVertexAttribArray(5);\r
 687 \r
 688                 glVertexAttribPointer(6, 4, GL_SHORT, GL_FALSE,sizeof(XvMCMacroBlock), (const void *) &(helperp->PMV[1][0][0]));\r
 689                 glEnableVertexAttribArray(6);\r
 690 \r
 691 \r
 692 \r
 693 \r
 694                 glActiveTexture(GL_TEXTURE0);\r
 695                 glBindTexture(GL_TEXTURE_2D,data_blocks);\r
 696                 glUniform1i(blocks_loc,0);\r
 697                 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);\r
 698                 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);\r
 699                 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE);\r
 700                 glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE);\r
 701 \r
 702 \r
 703 \r
 704                 if (forward) {\r
 705                 //      Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo forward %x",forward->textures[0]);\r
 706                         glActiveTexture(GL_TEXTURE1);\r
 707                         glBindTexture(GL_TEXTURE_2D,forward->textures[0]);\r
 708                         glUniform1i(forward_pic_loc,1);\r
 709                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);\r
 710                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);\r
 711                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE);\r
 712                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE);\r
 713 \r
 714                 }\r
 715 \r
 716                 if (backward) {\r
 717                         glActiveTexture(GL_TEXTURE2);\r
 718                 //      Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo backward %x",backward->textures[0]);\r
 719                         glBindTexture(GL_TEXTURE_2D,backward->textures[0]);\r
 720                         glUniform1i(backward_pic_loc,2);\r
 721                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);\r
 722                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);\r
 723                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE);\r
 724                         glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE);\r
 725 \r
 726                 }\r
 727 \r
 728 \r
 729 \r
 730                 glDrawElements(GL_TRIANGLE_STRIP, valid_macro_blocks*6,\r
 731                                 GL_UNSIGNED_SHORT, NULL);\r
 732 \r
 733 \r
 734                 /*\r
 735                 glVertexAttribPointer(0, 2, GL_SHORT, GL_FALSE,sizeof(XvMCMacroBlock), 0);\r
 736                 //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark3 glerror %x",glGetError());\r
 737                 glEnableVertexAttribArray(0);\r
 738 \r
 739                 glVertexAttribPointer(1, 2, GL_UNSIGNED_BYTE, GL_TRUE,sizeof(XvMCMacroBlock), (const void *) &(helperp->pad0));\r
 740                 //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark3 glerror %x",glGetError());\r
 741                 glEnableVertexAttribArray(1);*/\r
 742 \r
 743         //      Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark4 glerror %x",glGetError());\r
 744 \r
 745 \r
 746                 //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark6 glerror %x",glGetError());\r
 747 \r
 748         //      glDrawElements(GL_TRIANGLE_STRIP,/*valid_macro_blocks*/4,GL_UNSIGNED_SHORT,0);\r
 749                 //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark7 glerror %x %x",glGetError(),valid_macro_blocks);\r
 750                 //cleanup\r
 751 \r
 752                 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0);\r
 753                 //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark5 glerror %x",glGetError());\r
 754                 glBindBuffer(GL_ARRAY_BUFFER,0);\r
 755 \r
 756                 glBindFramebuffer(GL_FRAMEBUFFER, 0);\r
 757                 glActiveTexture(GL_TEXTURE0);\r
 758                 glBindTexture(GL_TEXTURE_2D, 0);\r
 759                 glActiveTexture(GL_TEXTURE1);\r
 760                 glBindTexture(GL_TEXTURE_2D, 0);\r
 761                 glActiveTexture(GL_TEXTURE2);\r
 762                 glBindTexture(GL_TEXTURE_2D, 0);\r
 763                 //Log::getInstance()->log("GLMocoShader", Log::WARN, "doMoCo mark8 glerror %x",glGetError());\r
 764         } else {\r
 765                 glBindFramebuffer(GL_FRAMEBUFFER, 0);\r
 766                 Log::getInstance()->log("GLMocoShader", Log::WARN, "framebuffer not complete %x",status);\r
 767                 return -1;\r
 768         }\r
 769 \r
 770         glFinish(); // since the main rendering is done in a different thread we have to make sure rendering is finished before passing the texture\r
 771         // call this only in the last stage of rendering the moco frame\r
 772         return 0;\r
 773 \r
 774 \r
 775 \r
 776 }\r
 777 \r
 778 /*\r
 779 \r
 780 int GLMocoShader::PrepareRendering(GLuint y_tex, GLuint u_tex, GLuint v_tex) { // This Function setups the rendering pipeline according to the shaders standards\r
 781 \r
 782         //Log::getInstance()->log("OSD", Log::WARN, "mark1 glerror %x",glGetError());\r
 783 \r
 784 \r
 785         //Log::getInstance()->log("OSD", Log::WARN, "mark2 glerror %x",glGetError());\r
 786 \r
 787 \r
 788         glActiveTexture( GL_TEXTURE2);\r
 789         glBindTexture(GL_TEXTURE_2D, v_tex);\r
 790         glUniform1i(frame_sampler_locV, 2);\r
 791         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);\r
 792         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);\r
 793 \r
 794         glActiveTexture( GL_TEXTURE1);\r
 795         glBindTexture(GL_TEXTURE_2D, u_tex);\r
 796         glUniform1i(frame_sampler_locU, 1);\r
 797         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);\r
 798         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);\r
 799 \r
 800         glActiveTexture( GL_TEXTURE0);\r
 801         glBindTexture(GL_TEXTURE_2D, y_tex);\r
 802         glUniform1i(frame_sampler_locY, 0);\r
 803         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);\r
 804         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);\r
 805         return 1;\r
 806 \r
 807 }*/\r
 808 \r
 809 int GLMocoShader::BindAttributes()\r
 810 {\r
 811         glBindAttribLocation(shad_program,0,"block_pos");\r
 812         glBindAttribLocation(shad_program,1,"block_edge");\r
 813         glBindAttribLocation(shad_program,2,"block_types");\r
 814         glBindAttribLocation(shad_program,3,"cbp");\r
 815         glBindAttribLocation(shad_program,4,"index");\r
 816         glBindAttribLocation(shad_program,5,"PMV1");\r
 817         glBindAttribLocation(shad_program,6,"PMV2");\r
 818 \r
 819         //glBindAttribLocation(shad_program,1,"tex_coord");\r
 820         return 1;\r
 821 }\r