-/* $Id: texcompress.h,v 1.2 2002/10/18 17:41:45 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 4.1
*
- * 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
- * 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.
+ * 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 "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 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,
- GLenum format,
+ 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_compress_teximage( GLcontext *ctx, GLsizei width, GLsizei height,
- GLenum srcFormat, const GLchan *source,
- GLint srcRowStride,
- const struct gl_texture_format *dstFormat,
- GLubyte *dest, GLint dstRowStride );
+_mesa_decompress_image(mesa_format format, GLuint width, GLuint height,
+ const GLubyte *src, GLint srcRowStride,
+ GLfloat *dest);
#endif /* TEXCOMPRESS_H */