/* * Mesa 3-D graphics library * Version: 6.5.1 * * Copyright (C) 1999-2006 Brian Paul 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 * THE AUTHORS 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 TEXCOMPRESS_H #define TEXCOMPRESS_H #include "formats.h" #include "glheader.h" struct gl_context; extern GLenum _mesa_gl_compressed_format_base_format(GLenum format); extern GLuint _mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats); extern gl_format _mesa_glenum_to_compressed_format(GLenum format); extern GLenum _mesa_compressed_format_to_glenum(struct gl_context *ctx, gl_format mesaFormat); extern GLubyte * _mesa_compressed_image_address(GLint col, GLint row, GLint img, gl_format mesaFormat, GLsizei width, const GLubyte *image); /** A function to fetch one texel from a compressed texture */ typedef void (*compressed_fetch_func)(const GLubyte *map, const GLuint imageOffsets[], GLint rowStride, GLint i, GLint j, GLint k, GLfloat *texel); extern compressed_fetch_func _mesa_get_compressed_fetch_func(gl_format format); extern void _mesa_decompress_image(gl_format format, GLuint width, GLuint height, const GLubyte *src, GLint srcRowStride, GLfloat *dest); #endif /* TEXCOMPRESS_H */