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/* $Id: s_span.h,v 1.4 2001/03/12 00:48:42 gareth Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2001 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 S_SPAN_H
#define S_SPAN_H
#include "mtypes.h"
#include "swrast.h"
extern void _mesa_write_index_span( GLcontext *ctx,
GLuint n, GLint x, GLint y, const GLdepth z[],
const GLfixed fog[],
GLuint index[], GLenum primitive );
extern void _mesa_write_monoindex_span( GLcontext *ctx,
GLuint n, GLint x, GLint y,
const GLdepth z[],
const GLfixed fog[],
GLuint index, GLenum primitive );
extern void _mesa_write_rgba_span( GLcontext *ctx,
GLuint n, GLint x, GLint y, const GLdepth z[],
const GLfixed fog[],
GLchan rgba[][4], GLenum primitive );
extern void _mesa_write_monocolor_span( GLcontext *ctx,
GLuint n, GLint x, GLint y,
const GLdepth z[],
const GLfixed fog[],
const GLchan color[4],
GLenum primitive );
extern void _mesa_write_texture_span( GLcontext *ctx,
GLuint n, GLint x, GLint y,
const GLdepth z[],
const GLfixed fog[],
const GLfloat s[], const GLfloat t[],
const GLfloat u[], GLfloat lambda[],
GLchan rgba[][4], CONST GLchan spec[][4],
GLenum primitive );
extern void
_mesa_write_multitexture_span( GLcontext *ctx,
GLuint n, GLint x, GLint y,
const GLdepth z[],
const GLfixed fog[],
CONST GLfloat s[MAX_TEXTURE_UNITS][MAX_WIDTH],
CONST GLfloat t[MAX_TEXTURE_UNITS][MAX_WIDTH],
CONST GLfloat u[MAX_TEXTURE_UNITS][MAX_WIDTH],
GLfloat lambda[MAX_TEXTURE_UNITS][MAX_WIDTH],
GLchan rgba[][4],
CONST GLchan spec[][4],
GLenum primitive );
extern void _mesa_read_rgba_span( GLcontext *ctx, GLframebuffer *buffer,
GLuint n, GLint x, GLint y,
GLchan rgba[][4] );
extern void _mesa_read_index_span( GLcontext *ctx, GLframebuffer *buffer,
GLuint n, GLint x, GLint y, GLuint indx[] );
#endif
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