| /* |
| * Mesa 3-D graphics library |
| * |
| * 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 OR COPYRIGHT HOLDERS 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 mesa_format |
| _mesa_glenum_to_compressed_format(GLenum format); |
| |
| extern GLenum |
| _mesa_compressed_format_to_glenum(struct gl_context *ctx, mesa_format mesaFormat); |
| |
| extern GLubyte * |
| _mesa_compressed_image_address(GLint col, GLint row, GLint img, |
| mesa_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, |
| GLint rowStride, |
| GLint i, GLint j, |
| GLfloat *texel); |
| |
| extern compressed_fetch_func |
| _mesa_get_compressed_fetch_func(mesa_format format); |
| |
| |
| extern void |
| _mesa_decompress_image(mesa_format format, GLuint width, GLuint height, |
| const GLubyte *src, GLint srcRowStride, |
| GLfloat *dest); |
| |
| #endif /* TEXCOMPRESS_H */ |