2001-11-19 01:18:28 +00:00
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/* $Id: s_span.h,v 1.7 2001/11/19 01:18:28 brianp Exp $ */
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2000-10-31 18:00:04 +00:00
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/*
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* Mesa 3-D graphics library
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* Version: 3.5
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2000-11-22 07:32:16 +00:00
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*
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2001-03-12 00:48:37 +00:00
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* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
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2000-11-22 07:32:16 +00:00
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*
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2000-10-31 18:00:04 +00:00
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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2000-11-22 07:32:16 +00:00
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*
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2000-10-31 18:00:04 +00:00
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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2000-11-22 07:32:16 +00:00
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*
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2000-10-31 18:00:04 +00:00
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef S_SPAN_H
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#define S_SPAN_H
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2000-11-22 07:32:16 +00:00
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#include "mtypes.h"
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#include "swrast.h"
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2001-11-19 01:18:28 +00:00
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#include "s_trispan.h"
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2001-05-15 21:30:26 +00:00
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extern void
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_mesa_write_index_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
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const GLdepth z[], const GLfloat fog[],
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GLuint index[], const GLint coverage[],
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GLenum primitive );
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2000-10-31 18:00:04 +00:00
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2001-05-15 21:30:26 +00:00
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extern void
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_mesa_write_monoindex_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
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const GLdepth z[], const GLfloat fog[],
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GLuint index, const GLint coverage[],
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GLenum primitive );
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2001-05-15 21:30:26 +00:00
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extern void
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_mesa_write_rgba_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
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const GLdepth z[], const GLfloat fog[],
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GLchan rgba[][4], const GLfloat coverage[],
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GLenum primitive );
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2001-05-15 21:30:26 +00:00
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extern void
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_mesa_write_monocolor_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
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const GLdepth z[], const GLfloat fog[],
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const GLchan color[4], const GLfloat coverage[],
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GLenum primitive );
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2001-11-19 01:18:28 +00:00
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extern void
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_mesa_rasterize_span(GLcontext *ctx, struct triangle_span *span);
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2001-05-15 21:30:26 +00:00
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extern void
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_mesa_write_texture_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
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const GLdepth z[], const GLfloat fog[],
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const GLfloat s[], const GLfloat t[],
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const GLfloat u[], GLfloat lambda[],
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GLchan rgba[][4], CONST GLchan spec[][4],
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const GLfloat coverage[], GLenum primitive );
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extern void
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2001-05-15 21:30:26 +00:00
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_mesa_write_multitexture_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
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const GLdepth z[], const GLfloat fog[],
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CONST GLfloat s[MAX_TEXTURE_UNITS][MAX_WIDTH],
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CONST GLfloat t[MAX_TEXTURE_UNITS][MAX_WIDTH],
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CONST GLfloat u[MAX_TEXTURE_UNITS][MAX_WIDTH],
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GLfloat lambda[MAX_TEXTURE_UNITS][MAX_WIDTH],
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GLchan rgba[][4], CONST GLchan spec[][4],
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const GLfloat coverage[], GLenum primitive );
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2000-10-31 18:00:04 +00:00
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2001-05-15 21:30:26 +00:00
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extern void
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_mesa_read_rgba_span( GLcontext *ctx, GLframebuffer *buffer,
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GLuint n, GLint x, GLint y, GLchan rgba[][4] );
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2000-10-31 18:00:04 +00:00
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2001-05-15 21:30:26 +00:00
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extern void
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_mesa_read_index_span( GLcontext *ctx, GLframebuffer *buffer,
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GLuint n, GLint x, GLint y, GLuint indx[] );
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2000-10-31 18:00:04 +00:00
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#endif
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