/*
 * Mesa 3-D graphics library
 * Version:  3.5
 *
 * 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.
 *
 * Authors:
 *    Keith Whitwell <keithw@valinux.com>
 */

#include "glheader.h"
#include "macros.h"
#include "mtypes.h"

#include "tnl/t_context.h"

#include "ss_triangle.h"
#include "ss_context.h"

#define SS_RGBA_BIT         0x1 
#define SS_OFFSET_BIT	    0x2	
#define SS_TWOSIDE_BIT	    0x4	
#define SS_UNFILLED_BIT	    0x8	
#define SS_MAX_TRIFUNC      0x10

static triangle_func tri_tab[SS_MAX_TRIFUNC];
static quad_func     quad_tab[SS_MAX_TRIFUNC];


#define SS_COLOR(a,b) COPY_4UBV(a,b)
#define SS_SPEC(a,b) COPY_4UBV(a,b)
#define SS_IND(a,b) (a = b)

#define IND (0)
#define TAG(x) x
#include "ss_tritmp.h"

#define IND (SS_OFFSET_BIT)
#define TAG(x) x##_offset
#include "ss_tritmp.h"

#define IND (SS_TWOSIDE_BIT)
#define TAG(x) x##_twoside
#include "ss_tritmp.h"

#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT)
#define TAG(x) x##_offset_twoside
#include "ss_tritmp.h"

#define IND (SS_UNFILLED_BIT)
#define TAG(x) x##_unfilled
#include "ss_tritmp.h"

#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT)
#define TAG(x) x##_offset_unfilled
#include "ss_tritmp.h"

#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT)
#define TAG(x) x##_twoside_unfilled
#include "ss_tritmp.h"

#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT)
#define TAG(x) x##_offset_twoside_unfilled
#include "ss_tritmp.h"

#define IND (0|SS_RGBA_BIT)
#define TAG(x) x##_rgba
#include "ss_tritmp.h"

#define IND (SS_OFFSET_BIT|SS_RGBA_BIT)
#define TAG(x) x##_offset_rgba
#include "ss_tritmp.h"

#define IND (SS_TWOSIDE_BIT|SS_RGBA_BIT)
#define TAG(x) x##_twoside_rgba
#include "ss_tritmp.h"

#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_RGBA_BIT)
#define TAG(x) x##_offset_twoside_rgba
#include "ss_tritmp.h"

#define IND (SS_UNFILLED_BIT|SS_RGBA_BIT)
#define TAG(x) x##_unfilled_rgba
#include "ss_tritmp.h"

#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT)
#define TAG(x) x##_offset_unfilled_rgba
#include "ss_tritmp.h"

#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT)
#define TAG(x) x##_twoside_unfilled_rgba
#include "ss_tritmp.h"

#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT)
#define TAG(x) x##_offset_twoside_unfilled_rgba
#include "ss_tritmp.h"


void _swsetup_trifuncs_init( GLcontext *ctx )
{
   (void) ctx;

   init();
   init_offset();
   init_twoside();
   init_offset_twoside();
   init_unfilled();
   init_offset_unfilled();
   init_twoside_unfilled();
   init_offset_twoside_unfilled();

   init_rgba();
   init_offset_rgba();
   init_twoside_rgba();
   init_offset_twoside_rgba();
   init_unfilled_rgba();
   init_offset_unfilled_rgba();
   init_twoside_unfilled_rgba();
   init_offset_twoside_unfilled_rgba();
}


static void swsetup_points( GLcontext *ctx, GLuint first, GLuint last )
{
   struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
   SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts;
   int i;
   
   if (VB->Elts) {
      for(i=first;i<last;i++) 
	 if(VB->ClipMask[VB->Elts[i]]==0)
	    _swrast_Point( ctx, &verts[VB->Elts[i]] );
   } else {
      for(i=first;i<last;i++) 
	 if(VB->ClipMask[i]==0)
	    _swrast_Point( ctx, &verts[i] );
   }
}

static void swsetup_line( GLcontext *ctx, GLuint v0, GLuint v1 )
{
   SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts;
   _swrast_Line( ctx, &verts[v0], &verts[v1] );
}



void _swsetup_choose_trifuncs( GLcontext *ctx )
{
   SScontext *swsetup = SWSETUP_CONTEXT(ctx);
   GLuint ind = 0;

   if (ctx->Polygon._OffsetAny)
      ind |= SS_OFFSET_BIT;

   if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
      ind |= SS_TWOSIDE_BIT;

   if (ctx->_TriangleCaps & DD_TRI_UNFILLED)
      ind |= SS_UNFILLED_BIT;

   if (ctx->Visual.RGBAflag) 
      ind |= SS_RGBA_BIT;

   swsetup->Triangle = tri_tab[ind];
   swsetup->Quad = quad_tab[ind];
   swsetup->Line = swsetup_line;
   swsetup->Points = swsetup_points;
}