52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/*
|
|
* libtxc_dxtn
|
|
* Version: 1.0
|
|
*
|
|
* Copyright (C) 2004 Roland Scheidegger All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
|
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _TXC_DXTN_H
|
|
#define _TXC_DXTN_H
|
|
|
|
#include <GL/gl.h>
|
|
|
|
typedef GLubyte GLchan;
|
|
#define UBYTE_TO_CHAN(b) (b)
|
|
#define CHAN_MAX 255
|
|
#define RCOMP 0
|
|
#define GCOMP 1
|
|
#define BCOMP 2
|
|
#define ACOMP 3
|
|
|
|
void fetch_2d_texel_rgb_dxt1(GLint srcRowStride, const GLubyte *pixdata,
|
|
GLint i, GLint j, GLvoid *texel);
|
|
void fetch_2d_texel_rgba_dxt1(GLint srcRowStride, const GLubyte *pixdata,
|
|
GLint i, GLint j, GLvoid *texel);
|
|
void fetch_2d_texel_rgba_dxt3(GLint srcRowStride, const GLubyte *pixdata,
|
|
GLint i, GLint j, GLvoid *texel);
|
|
void fetch_2d_texel_rgba_dxt5(GLint srcRowStride, const GLubyte *pixdata,
|
|
GLint i, GLint j, GLvoid *texel);
|
|
|
|
void tx_compress_dxtn(GLint srccomps, GLint width, GLint height,
|
|
const GLubyte *srcPixData, GLenum destformat,
|
|
GLubyte *dest, GLint dstRowStride);
|
|
|
|
#endif /* _TXC_DXTN_H */
|