Codec_DXTC_Alpha.cpp File Reference

#include "Common.h"
#include "CompressonatorXCodec.h"

Macros
#define	EXPLICIT_ALPHA_PIXEL_MASK   0xf
#define	EXPLICIT_ALPHA_PIXEL_BPP   4

Functions
static void	EncodeAlphaBlock (CMP_DWORD compressedBlock[2], CMP_BYTE nEndpoints[2], CMP_BYTE nIndices[BLOCK_SIZE_4X4])
CMP_API void	CompressAlphaBlock (CMP_BYTE alphaBlock[BLOCK_SIZE_4X4], CMP_DWORD compressedBlock[2])
static void	GetCompressedAlphaRamp (CMP_BYTE alpha[8], CMP_DWORD compressedBlock[2])
CMP_API void	DecompressAlphaBlock (CMP_BYTE alphaBlock[BLOCK_SIZE_4X4], CMP_DWORD compressedBlock[2])
void	CompressExplicitAlphaBlock (CMP_BYTE alphaBlock[BLOCK_SIZE_4X4], CMP_DWORD compressedBlock[2])
void	DecompressExplicitAlphaBlock (CMP_BYTE alphaBlock[BLOCK_SIZE_4X4], CMP_DWORD compressedBlock[2])

Macro Definition Documentation

EXPLICIT_ALPHA_PIXEL_MASK

#define EXPLICIT_ALPHA_PIXEL_MASK   0xf

EXPLICIT_ALPHA_PIXEL_BPP

#define EXPLICIT_ALPHA_PIXEL_BPP   4

Function Documentation

EncodeAlphaBlock()

static void EncodeAlphaBlock ( CMP_DWORD  compressedBlock[2], CMP_BYTE  nEndpoints[2], CMP_BYTE  nIndices[BLOCK_SIZE_4X4]  )

static

CompressAlphaBlock()

CMP_API void CompressAlphaBlock	(	CMP_BYTE	alphaBlock[BLOCK_SIZE_4X4],
		CMP_DWORD	compressedBlock[2]
	)

GetCompressedAlphaRamp()

static void GetCompressedAlphaRamp ( CMP_BYTE  alpha[8], CMP_DWORD  compressedBlock[2]  )

static

DecompressAlphaBlock()

CMP_API void DecompressAlphaBlock	(	CMP_BYTE	alphaBlock[BLOCK_SIZE_4X4],
		CMP_DWORD	compressedBlock[2]
	)

CompressExplicitAlphaBlock()

void CompressExplicitAlphaBlock	(	CMP_BYTE	alphaBlock[BLOCK_SIZE_4X4],
		CMP_DWORD	compressedBlock[2]
	)

DecompressExplicitAlphaBlock()

void DecompressExplicitAlphaBlock	(	CMP_BYTE	alphaBlock[BLOCK_SIZE_4X4],
		CMP_DWORD	compressedBlock[2]
	)