93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 1997-8 S3 Inc. All Rights Reserved.
|
|
*
|
|
* Module Name: s3_intrf.h
|
|
*
|
|
* Purpose: Constant, structure, and prototype definitions for S3TC
|
|
* interface to DX surface
|
|
*
|
|
* Author: Dan Hung, Martin Hoffesommer
|
|
*
|
|
* Revision History:
|
|
* version Beta 1.00.00-98-03-26
|
|
*/
|
|
|
|
// Highlevel interface
|
|
|
|
#ifndef NVTC_H
|
|
#define NVTC_H
|
|
|
|
#if defined( _WIN32 ) && !defined( _X360 )
|
|
#if _MSC_VER >= 1400
|
|
// This assumes that src\public is somewhere on the path
|
|
// ddraw.h doesn't actually live in the system headers in VS2005.
|
|
#include "..\dx9sdk\include\ddraw.h"
|
|
#else
|
|
#include <ddraw.h>
|
|
#endif
|
|
#endif
|
|
|
|
// RGB encoding types
|
|
#define S3TC_ENCODE_RGB_FULL 0x0
|
|
#define S3TC_ENCODE_RGB_COLOR_KEY 0x1
|
|
#define S3TC_ENCODE_RGB_ALPHA_COMPARE 0x2
|
|
#define _S3TC_ENCODE_RGB_MASK 0xff
|
|
|
|
// alpha encoding types
|
|
#define S3TC_ENCODE_ALPHA_NONE 0x000
|
|
#define S3TC_ENCODE_ALPHA_EXPLICIT 0x100
|
|
#define S3TC_ENCODE_ALPHA_INTERPOLATED 0x200
|
|
#define _S3TC_ENCODE_ALPHA_MASK 0xff00
|
|
|
|
|
|
#if defined( _WIN32 ) && !defined( _X360 )
|
|
// common encoding types
|
|
//@@@TBD
|
|
|
|
// error codes
|
|
#define ERROR_ABORTED -1
|
|
|
|
// Progress Callback for S3TCencode
|
|
typedef BOOL (* LP_S3TC_PROGRESS_CALLBACK)(float fProgress, LPVOID lpUser1, LPVOID lpUser2);
|
|
|
|
// set alpha reference value for alpha compare encoding
|
|
void S3TCsetAlphaReference(int nRef);
|
|
|
|
// determine number of bytes needed to compress given source image
|
|
unsigned int S3TCgetEncodeSize(DDSURFACEDESC *lpDesc, // [in]
|
|
unsigned int dwEncodeType // [in]
|
|
);
|
|
|
|
// encode (compress) given source image to given destination surface
|
|
void S3TCencode(DDSURFACEDESC *lpSrc, // [in]
|
|
PALETTEENTRY *lpPal, // [in], may be NULL
|
|
DDSURFACEDESC *lpDest, // [out]
|
|
void *lpDestBuf, // [in]
|
|
unsigned int dwEncodeType, // [in]
|
|
float *weight // [in]
|
|
);
|
|
|
|
int S3TCencodeEx(DDSURFACEDESC *lpSrc, // [in]
|
|
PALETTEENTRY *lpPal, // [in], may be NULL
|
|
DDSURFACEDESC *lpDest, // [out]
|
|
void *lpDestBuf, // [in]
|
|
unsigned int dwEncodeType, // [in]
|
|
float *weight, // [in]
|
|
LP_S3TC_PROGRESS_CALLBACK lpS3TCProgressProc, // [in], may be NULL
|
|
LPVOID lpArg1, // in
|
|
LPVOID lpArg2 // in
|
|
);
|
|
|
|
// determine number of bytes needed do decompress given compressed image
|
|
unsigned int S3TCgetDecodeSize(DDSURFACEDESC *lpDesc);
|
|
|
|
// decode (decompress) to ARGB8888
|
|
void S3TCdecode(DDSURFACEDESC *lpSrc, // [in]
|
|
DDSURFACEDESC *lpDest, // [out]
|
|
void *lpDestBuf // [in]
|
|
);
|
|
|
|
#endif // _WIN32
|
|
|
|
#endif // NVTC_H
|