261     int r_pos, g_pos, b_pos, bytes;  in CreateRgbSample()  local
262     if (!GetRgbPacking(fourcc, &r_pos, &g_pos, &b_pos, &bytes)) {  in CreateRgbSample()
275         rgb[r_pos] = ((x / 63) & 1) ? 224 : 32;  in CreateRgbSample()
331     int r_pos, g_pos, b_pos, bytes;  in ConvertRgb()  local
332     if (!GetRgbPacking(fourcc, &r_pos, &g_pos, &b_pos, &bytes)) {  in ConvertRgb()
355           ConvertRgbPixel(rgb[i][r_pos], rgb[i][g_pos], rgb[i][b_pos],  in ConvertRgb()
405                      int* r_pos,  in GetRgbPacking()  argument
410       *r_pos = 0; *g_pos = 1; *b_pos = 2; *bytes = 3;  // RGB in memory.  in GetRgbPacking()
412       *r_pos = 2; *g_pos = 1; *b_pos = 0; *bytes = 3;  // BGR in memory.  in GetRgbPacking()
414       *r_pos = 0; *g_pos = 1; *b_pos = 2; *bytes = 4;  // RGBA in memory.  in GetRgbPacking()
416       *r_pos = 1; *g_pos = 2; *b_pos = 3; *bytes = 4;  // ARGB in memory.  in GetRgbPacking()
418       *r_pos = 2; *g_pos = 1; *b_pos = 0; *bytes = 4;  // BGRA in memory.  in GetRgbPacking()