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Mesa-3.1
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rect.c
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2000-01-07
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/* $Id: rect.c,v 1.4 1999/11/08 07:36:44 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.
*/
/* $XFree86: xc/lib/GL/mesa/src/rect.c,v 1.2 1999/04/04 00:20:30 dawes Exp $ */
#ifdef PC_HEADER
#include "all.h"
#else
#ifndef XFree86Server
#else
#include "GL/xf86glx.h"
#endif
#include "context.h"
#include "macros.h"
#include "rect.h"
#include "vbfill.h"
#endif
/*
* Execute a glRect*() function.
*/
void gl_Rectf( GLcontext *ctx, GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )
{
/*
* TODO: we could examine a bunch of state variables and ultimately
* call the Driver->RectFunc() function to draw a screen-aligned
* filled rectangle. Someday...
*
* KW: What happens to cull mode here?
*/
ASSERT_OUTSIDE_BEGIN_END(ctx, "glRect");
RESET_IMMEDIATE(ctx);
gl_Begin( ctx, GL_QUADS );
gl_Vertex2f( ctx, x1, y1 );
gl_Vertex2f( ctx, x2, y1 );
gl_Vertex2f( ctx, x2, y2 );
gl_Vertex2f( ctx, x1, y2 );
gl_End( ctx );
}