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- /* $Id: image.h,v 1.2 1999/11/03 17:27:05 brianp Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 3.1
- *
- * Copyright (C) 1999 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
- * 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 IMAGE_H
- #define IMAGE_H
-
-
- #include "types.h"
-
-
- extern void gl_flip_bytes( GLubyte *p, GLuint n );
-
-
- extern void gl_swap2( GLushort *p, GLuint n );
-
- extern void gl_swap4( GLuint *p, GLuint n );
-
-
- extern GLint gl_sizeof_type( GLenum type );
-
- extern GLint gl_sizeof_packed_type( GLenum type );
-
- extern GLint gl_components_in_format( GLenum format );
-
- extern GLint gl_bytes_per_pixel( GLenum format, GLenum type );
-
- extern GLboolean gl_is_legal_format_and_type( GLenum format, GLenum type );
-
-
- extern GLvoid *
- gl_pixel_addr_in_image( const struct gl_pixelstore_attrib *packing,
- const GLvoid *image, GLsizei width,
- GLsizei height, GLenum format, GLenum type,
- GLint img, GLint row, GLint column );
-
-
- extern struct gl_image *
- gl_unpack_bitmap( GLcontext *ctx, GLsizei width, GLsizei height,
- const GLubyte *bitmap,
- const struct gl_pixelstore_attrib *packing );
-
-
- extern void gl_unpack_polygon_stipple( const GLcontext *ctx,
- const GLubyte *pattern,
- GLuint dest[32] );
-
-
- extern void gl_pack_polygon_stipple( const GLcontext *ctx,
- const GLuint pattern[32],
- GLubyte *dest );
-
-
- extern struct gl_image *
- gl_unpack_image( GLcontext *ctx, GLint width, GLint height,
- GLenum srcFormat, GLenum srcType, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing );
-
-
-
- struct gl_image *
- gl_unpack_image3D( GLcontext *ctx, GLint width, GLint height,GLint depth,
- GLenum srcFormat, GLenum srcType, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing );
-
-
- extern void
- gl_pack_rgba_span( const GLcontext *ctx,
- GLuint n, CONST GLubyte rgba[][4],
- GLenum format, GLenum type, GLvoid *dest,
- const struct gl_pixelstore_attrib *packing,
- GLboolean applyTransferOps );
-
-
- extern void gl_free_image( struct gl_image *image );
-
-
- extern GLboolean gl_image_error_test( GLcontext *ctx,
- const struct gl_image *image,
- const char *msg );
-
-
- /*
- * New (3.3) functions
- */
-
-
- extern void
- _mesa_unpack_ubyte_color_span( const GLcontext *ctx,
- GLuint n, GLenum dstFormat, GLubyte dest[],
- GLenum srcFormat, GLenum srcType,
- const GLvoid *source,
- const struct gl_pixelstore_attrib *unpacking,
- GLboolean applyTransferOps );
-
-
- extern void
- _mesa_unpack_index_span( const GLcontext *ctx, GLuint n,
- GLenum dstType, GLvoid *dest,
- GLenum srcType, const GLvoid *source,
- const struct gl_pixelstore_attrib *unpacking,
- GLboolean applyTransferOps );
-
- extern void *
- _mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *unpack );
-
-
- #endif
-