xenia/third_party/crunch/crnlib/crn_dxt_hc_common.h

44 lines
1.1 KiB
C++

// File: crn_dxt_hc_common.h
// See Copyright Notice and license at the end of inc/crnlib.h
#pragma once
namespace crnlib
{
struct chunk_tile_desc
{
// These values are in pixels, and always a multiple of cBlockPixelWidth/cBlockPixelHeight.
uint m_x_ofs;
uint m_y_ofs;
uint m_width;
uint m_height;
uint m_layout_index;
};
struct chunk_encoding_desc
{
uint m_num_tiles;
chunk_tile_desc m_tiles[4];
};
const uint cChunkPixelWidth = 8;
const uint cChunkPixelHeight = 8;
const uint cChunkBlockWidth = 2;
const uint cChunkBlockHeight = 2;
const uint cChunkMaxTiles = 4;
const uint cBlockPixelWidthShift = 2;
const uint cBlockPixelHeightShift = 2;
const uint cBlockPixelWidth = 4;
const uint cBlockPixelHeight = 4;
const uint cNumChunkEncodings = 8;
extern chunk_encoding_desc g_chunk_encodings[cNumChunkEncodings];
const uint cNumChunkTileLayouts = 9;
const uint cFirst4x4ChunkTileLayout = 5;
extern chunk_tile_desc g_chunk_tile_layouts[cNumChunkTileLayouts];
} // namespace crnlib