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/* $Id: image.h,v 1.18 2002/03/13 04:34:32 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 4.1
*
* Copyright (C) 1999-2002 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 "mtypes.h"
extern const struct gl_pixelstore_attrib _mesa_native_packing;
extern void
_mesa_swap2( GLushort *p, GLuint n );
extern void
_mesa_swap4( GLuint *p, GLuint n );
extern GLint
_mesa_sizeof_type( GLenum type );
extern GLint
_mesa_sizeof_packed_type( GLenum type );
extern GLint
_mesa_components_in_format( GLenum format );
extern GLint
_mesa_bytes_per_pixel( GLenum format, GLenum type );
extern GLboolean
_mesa_is_legal_format_and_type( GLenum format, GLenum type );
extern GLvoid *
_mesa_image_address( const struct gl_pixelstore_attrib *packing,
const GLvoid *image, GLsizei width,
GLsizei height, GLenum format, GLenum type,
GLint img, GLint row, GLint column );
extern GLint
_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
GLint width, GLenum format, GLenum type );
extern GLint
_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
GLint width, GLint height,
GLenum format, GLenum type );
extern void
_mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32],
const struct gl_pixelstore_attrib *unpacking );
extern void
_mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest,
const struct gl_pixelstore_attrib *packing );
extern GLvoid *
_mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels,
const struct gl_pixelstore_attrib *packing );
extern void
_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
GLubyte *dest, const struct gl_pixelstore_attrib *packing );
extern void
_mesa_pack_float_rgba_span( GLcontext *ctx,
GLuint n, CONST GLfloat rgba[][4],
GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
const struct gl_pixelstore_attrib *dstPacking,
GLuint transferOps );
extern void
_mesa_pack_rgba_span( GLcontext *ctx,
GLuint n, CONST GLchan rgba[][4],
GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
const struct gl_pixelstore_attrib *dstPacking,
GLuint transferOps );
extern void
_mesa_unpack_chan_color_span( GLcontext *ctx,
GLuint n, GLenum dstFormat, GLchan dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLuint transferOps );
extern void
_mesa_unpack_float_color_span( GLcontext *ctx,
GLuint n, GLenum dstFormat, GLfloat dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLuint transferOps, GLboolean clamp );
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 *srcPacking,
GLuint transferOps );
extern void
_mesa_pack_index_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLuint *source,
const struct gl_pixelstore_attrib *dstPacking,
GLuint transferOps );
extern void
_mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLuint transferOps );
extern void
_mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLstencil *source,
const struct gl_pixelstore_attrib *dstPacking );
extern void
_mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, GLfloat *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking );
extern void
_mesa_pack_depth_span( const GLcontext *ctx, GLuint n, GLvoid *dest,
GLenum dstType, const GLfloat *depthSpan,
const struct gl_pixelstore_attrib *dstPacking );
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
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