-/* $Id: texcompress.h,v 1.1 2002/09/27 02:45:38 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 6.5.1
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * 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"),
* 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
+ * 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 "mtypes.h"
+#include "formats.h"
+#include "glheader.h"
+struct gl_context;
-extern GLuint
-_mesa_get_compressed_formats( GLcontext *ctx, GLint *formats );
+extern GLenum
+_mesa_gl_compressed_format_base_format(GLenum format);
extern GLuint
-_mesa_compressed_texture_size( GLcontext *ctx,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format );
+_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats);
-extern GLint
-_mesa_compressed_row_stride(GLenum format, GLsizei width);
+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,
- GLenum format,
+ gl_format mesaFormat,
GLsizei width, const GLubyte *image);
-extern void
-_mesa_compress_teximage( GLcontext *ctx, GLsizei width, GLsizei height,
- GLenum srcFormat,
- const GLchan *source, GLint srcRowStride,
- GLenum dstformat, GLubyte *dest, GLint dstRowStride );
+/** 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 */