// File: crn_dxt_hc_common.cpp
// See Copyright Notice and license at the end of inc/crnlib.h
#include "crn_core.h"
#include "crn_dxt_hc_common.h"

namespace crnlib {
chunk_encoding_desc g_chunk_encodings[cNumChunkEncodings] =
    {
        {1, {{0, 0, 8, 8, 0}}},

        {2, {{0, 0, 8, 4, 1}, {0, 4, 8, 4, 2}}},
        {2, {{0, 0, 4, 8, 3}, {4, 0, 4, 8, 4}}},

        {3, {{0, 0, 8, 4, 1}, {0, 4, 4, 4, 7}, {4, 4, 4, 4, 8}}},
        {3, {{0, 4, 8, 4, 2}, {0, 0, 4, 4, 5}, {4, 0, 4, 4, 6}}},

        {3, {{0, 0, 4, 8, 3}, {4, 0, 4, 4, 6}, {4, 4, 4, 4, 8}}},
        {3, {{4, 0, 4, 8, 4}, {0, 0, 4, 4, 5}, {0, 4, 4, 4, 7}}},

        {4, {{0, 0, 4, 4, 5}, {4, 0, 4, 4, 6}, {0, 4, 4, 4, 7}, {4, 4, 4, 4, 8}}}};

chunk_tile_desc g_chunk_tile_layouts[cNumChunkTileLayouts] =
    {
        // 2x2
        {0, 0, 8, 8, 0},

        // 2x1
        {0, 0, 8, 4, 1},
        {0, 4, 8, 4, 2},

        // 1x2
        {0, 0, 4, 8, 3},
        {4, 0, 4, 8, 4},

        // 1x1
        {0, 0, 4, 4, 5},
        {4, 0, 4, 4, 6},
        {0, 4, 4, 4, 7},
        {4, 4, 4, 4, 8}};

}  // namespace crnlib