diff options
Diffstat (limited to 'src/mesa/main/txc_dxtn.h')
| -rw-r--r-- | src/mesa/main/txc_dxtn.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/mesa/main/txc_dxtn.h b/src/mesa/main/txc_dxtn.h new file mode 100644 index 00000000000..ef352aabe55 --- /dev/null +++ b/src/mesa/main/txc_dxtn.h @@ -0,0 +1,55 @@ +/* + * 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 + +#ifdef __APPLE__ +#include <OpenGL/gl.h> +#else +#include <GL/gl.h> +#endif + +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 */ |