xenia/third_party/crunch/crnlib/crn_dxt_fast.h

22 lines
854 B
C++

// File: crn_dxt_fast.h
// See Copyright Notice and license at the end of inc/crnlib.h
#pragma once
#include "crn_color.h"
#include "crn_dxt.h"
namespace crnlib
{
namespace dxt_fast
{
void compress_color_block(uint n, const color_quad_u8* block, uint& low16, uint& high16, uint8* pSelectors, bool refine = false);
void compress_color_block(dxt1_block* pDXT1_block, const color_quad_u8* pBlock, bool refine = false);
void compress_alpha_block(uint n, const color_quad_u8* block, uint& low8, uint& high8, uint8* pSelectors, uint comp_index);
void compress_alpha_block(dxt5_block* pDXT5_block, const color_quad_u8* pBlock, uint comp_index);
void find_representative_colors(uint n, const color_quad_u8* pBlock, color_quad_u8& lo, color_quad_u8& hi);
} // namespace dxt_fast
} // namespace crnlib