41     s32 col, start;  in _DEMOComputeRunlengths()  local
44     for (col = 0; col < cols; ++col)  in _DEMOComputeRunlengths()
45         runlength[col] = 0;  in _DEMOComputeRunlengths()
48     for ( col = 0; col < cols; ) {  in _DEMOComputeRunlengths()
49         start = col;  in _DEMOComputeRunlengths()
51             ++col;  in _DEMOComputeRunlengths()
52         } while ( col < cols &&  in _DEMOComputeRunlengths()
53                   col - start < 128 &&  in _DEMOComputeRunlengths()
54                   (pixelrow[col].x == pixelrow[start].x) &&  in _DEMOComputeRunlengths()
55                   (pixelrow[col].y == pixelrow[start].y) &&  in _DEMOComputeRunlengths()
56                   (pixelrow[col].z == pixelrow[start].z) &&  in _DEMOComputeRunlengths()
57                   (pixelrow[col].w == pixelrow[start].w)  );  in _DEMOComputeRunlengths()
58         runlength[start] = col - start;  in _DEMOComputeRunlengths()
62     for (col = 0; col < cols; )  in _DEMOComputeRunlengths()
64         if (runlength[col] == 1)  in _DEMOComputeRunlengths()
66             start = col;  in _DEMOComputeRunlengths()
67             while (col < cols &&  in _DEMOComputeRunlengths()
68                    col - start < 128 &&  in _DEMOComputeRunlengths()
69                    (runlength[col] == 1) )  in _DEMOComputeRunlengths()
71                 runlength[col] = 0;  in _DEMOComputeRunlengths()
72                 ++col;  in _DEMOComputeRunlengths()
74             runlength[start] = - ( col - start );  in _DEMOComputeRunlengths()
76             col += runlength[col];  in _DEMOComputeRunlengths()
185     u32 row, col, i, realrow, byte = 0;  in _DEMOEncodeTGA()  local
227         for( col = 0; col < cols; ){  in _DEMOEncodeTGA()
228             if( runlength[col] > 0 ){  in _DEMOEncodeTGA()
230                 pbuffer[byte] = (u8)(0x80 + runlength[col] - 1); byte++;  in _DEMOEncodeTGA()
233                 pbuffer[byte] = buffer[realrow * pitch + col].z; byte++;  in _DEMOEncodeTGA()
234                 pbuffer[byte] = buffer[realrow * pitch + col].y; byte++;  in _DEMOEncodeTGA()
235                 pbuffer[byte] = buffer[realrow * pitch + col].x; byte++;  in _DEMOEncodeTGA()
236                 pbuffer[byte] = buffer[realrow * pitch + col].w; byte++;  in _DEMOEncodeTGA()
237                 col += runlength[col];  in _DEMOEncodeTGA()
238             }else if( runlength[col] < 0 ){  in _DEMOEncodeTGA()
240                 pbuffer[byte] = (u8)(- runlength[col] - 1); byte++;  in _DEMOEncodeTGA()
243                 for ( i = 0; i < - runlength[col]; ++i )  in _DEMOEncodeTGA()
245                     pbuffer[byte] = buffer[realrow * pitch + col + i].z; byte++;  in _DEMOEncodeTGA()
246                     pbuffer[byte] = buffer[realrow * pitch + col + i].y; byte++;  in _DEMOEncodeTGA()
247                     pbuffer[byte] = buffer[realrow * pitch + col + i].x; byte++;  in _DEMOEncodeTGA()
248                     pbuffer[byte] = buffer[realrow * pitch + col + i].w; byte++;  in _DEMOEncodeTGA()
250                 col += -runlength[col];  in _DEMOEncodeTGA()