src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/mesa/src/src/mesa/drivers/glide/fxvbtmp.h - public/gem5-resources - Git at Google

 /*
  * 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.
  */

 /* Authors:
  *    Keith Whitwell <keith@tungstengraphics.com>
  *    Daniel Borca <dborca@users.sourceforge.net>
  */


 #define VIEWPORT_X(dst,x) dst = s[0]  * x + s[12]
 #define VIEWPORT_Y(dst,y) dst = s[5]  * y + s[13]
 #define VIEWPORT_Z(dst,z) dst = s[10] * z + s[14]

 static void TAG(emit)( GLcontext *ctx,
 		       GLuint start, GLuint end,
 		       void *dest )
 {
    fxMesaContext fxMesa = FX_CONTEXT(ctx);
    struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
    GLuint tmu0_source = fxMesa->tmu_source[0];
    GLuint tmu1_source = fxMesa->tmu_source[1];
    GLfloat (*tc0)[4], (*tc1)[4];
    GLfloat (*col)[4], (*spec)[4];
    GLuint tc0_stride, tc1_stride, col_stride, spec_stride;
    GLuint tc0_size, tc1_size, col_size;
    GLfloat (*proj)[4] = VB->NdcPtr->data;
    GLuint proj_stride = VB->NdcPtr->stride;
    GLfloat (*psize)[4];
    GLuint psize_stride;
    GLfloat (*fog)[4];
    GLuint fog_stride;
    GrVertex *v = (GrVertex *)dest;
    GLfloat u0scale,v0scale,u1scale,v1scale;
    const GLubyte *mask = VB->ClipMask;
    const GLfloat *const s = ctx->Viewport._WindowMap.m;
    int i;

    if (IND & SETUP_PSIZ) {
       psize = VB->PointSizePtr->data;
       psize_stride = VB->PointSizePtr->stride;
    }

    if (IND & SETUP_TMU0) {
       tc0 = VB->TexCoordPtr[tmu0_source]->data;
       tc0_stride = VB->TexCoordPtr[tmu0_source]->stride;
       u0scale = fxMesa->s0scale;
       v0scale = fxMesa->t0scale;
       if (IND & SETUP_PTEX)
 	 tc0_size = VB->TexCoordPtr[tmu0_source]->size;
    }

    if (IND & SETUP_TMU1) {
       tc1 = VB->TexCoordPtr[tmu1_source]->data;
       tc1_stride = VB->TexCoordPtr[tmu1_source]->stride;
       u1scale = fxMesa->s1scale; /* wrong if tmu1_source == 0, possible? */
       v1scale = fxMesa->t1scale;
       if (IND & SETUP_PTEX)
 	 tc1_size = VB->TexCoordPtr[tmu1_source]->size;
    }

    if (IND & SETUP_RGBA) {
       col = VB->ColorPtr[0]->data;
       col_stride = VB->ColorPtr[0]->stride;
       col_size = VB->ColorPtr[0]->size;
    }

    if (IND & SETUP_SPEC) {
       spec = VB->SecondaryColorPtr[0]->data;
       spec_stride = VB->SecondaryColorPtr[0]->stride;
    }

    if (IND & SETUP_FOGC) {
       fog = VB->FogCoordPtr->data;
       fog_stride = VB->FogCoordPtr->stride;
    }

    if (start) {
       proj =  (GLfloat (*)[4])((GLubyte *)proj + start * proj_stride);
       if (IND & SETUP_PSIZ)
          psize =  (GLfloat (*)[4])((GLubyte *)psize + start * psize_stride);
       if (IND & SETUP_TMU0)
 	 tc0 =  (GLfloat (*)[4])((GLubyte *)tc0 + start * tc0_stride);
       if (IND & SETUP_TMU1)
 	 tc1 =  (GLfloat (*)[4])((GLubyte *)tc1 + start * tc1_stride);
       if (IND & SETUP_RGBA)
 	 STRIDE_4F(col, start * col_stride);
       if (IND & SETUP_SPEC)
 	 STRIDE_4F(spec, start * spec_stride);
       if (IND & SETUP_FOGC)
 	 fog =  (GLfloat (*)[4])((GLubyte *)fog + start * fog_stride);
    }

    for (i=start; i < end; i++, v++) {
       if (IND & SETUP_PSIZ) {
          v->psize = psize[0][0];
          psize =  (GLfloat (*)[4])((GLubyte *)psize +  psize_stride);
       }

       if (IND & SETUP_XYZW) {
          if (mask[i] == 0) {
 	    /* unclipped */
 	    VIEWPORT_X(v->x,   proj[0][0]);
 	    VIEWPORT_Y(v->y,   proj[0][1]);
 	    VIEWPORT_Z(v->ooz, proj[0][2]);
 	    v->oow = proj[0][3];

 	    if (IND & SETUP_SNAP) {
 #if defined(USE_IEEE)
 	       const float snapper = (3L << 18);
 	       v->x += snapper;
 	       v->x -= snapper;
 	       v->y += snapper;
 	       v->y -= snapper;
 #else
 	       v->x = ((int) (v->x * 16.0f)) * (1.0f / 16.0f);
 	       v->y = ((int) (v->y * 16.0f)) * (1.0f / 16.0f);
 #endif
 	    }
          } else {
             /* clipped */
             v->oow = 1.0;
          }

 	 proj =  (GLfloat (*)[4])((GLubyte *)proj +  proj_stride);
       }
       if (IND & SETUP_RGBA) {
 #if FX_PACKEDCOLOR
          UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[2], col[0][0]);
          UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[1], col[0][1]);
          UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[0], col[0][2]);
          if (col_size == 4) {
             UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[3], col[0][3]);
          } else {
             v->pargb[3] = 255;
          }
 #else  /* !FX_PACKEDCOLOR */
          CNORM(v->r, col[0][0]);
          CNORM(v->g, col[0][1]);
          CNORM(v->b, col[0][2]);
          if (col_size == 4) {
             CNORM(v->a, col[0][3]);
          } else {
             v->a = 255.0f;
          }
 #endif /* !FX_PACKEDCOLOR */
 	 STRIDE_4F(col, col_stride);
       }
       if (IND & SETUP_SPEC) {
 #if FX_PACKEDCOLOR
 	 UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[2], spec[0][0]);
 	 UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[1], spec[0][1]);
 	 UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[0], spec[0][2]);
 #else  /* !FX_PACKEDCOLOR */
          CNORM(v->r1, spec[0][0]);
          CNORM(v->g1, spec[0][1]);
          CNORM(v->b1, spec[0][2]);
 #endif /* !FX_PACKEDCOLOR */
 	 STRIDE_4F(spec, spec_stride);
       }
       if (IND & SETUP_FOGC) {
          v->fog = CLAMP(fog[0][0], 0.0f, 1.0f);
 	 fog =  (GLfloat (*)[4])((GLubyte *)fog + fog_stride);
       }
       if (IND & SETUP_TMU0) {
 	 GLfloat w = v->oow;
          v->tmuvtx[0].sow = tc0[0][0] * u0scale * w;
          v->tmuvtx[0].tow = tc0[0][1] * v0scale * w;
 	 if (IND & SETUP_PTEX) {
 	    v->tmuvtx[0].oow = w;
 	    if (tc0_size == 4)
 	       v->tmuvtx[0].oow *= tc0[0][3];
 	 }
 	 tc0 =  (GLfloat (*)[4])((GLubyte *)tc0 +  tc0_stride);
       }
       if (IND & SETUP_TMU1) {
 	 GLfloat w = v->oow;
          v->tmuvtx[1].sow = tc1[0][0] * u1scale * w;
          v->tmuvtx[1].tow = tc1[0][1] * v1scale * w;
 	 if (IND & SETUP_PTEX) {
 	    v->tmuvtx[1].oow = w;
 	    if (tc1_size == 4)
 	       v->tmuvtx[1].oow *= tc1[0][3];
 	 }
 	 tc1 =  (GLfloat (*)[4])((GLubyte *)tc1 +  tc1_stride);
       }
    }
 }

 #if (IND & SETUP_XYZW) && (IND & SETUP_RGBA)

 static GLboolean TAG(check_tex_sizes)( GLcontext *ctx )
 {
 /*     fprintf(stderr, "%s\n", __FUNCTION__); */

    if (IND & SETUP_PTEX)
       return GL_TRUE;

    if (IND & SETUP_TMU0) {
       struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;

       if (IND & SETUP_TMU1) {
 	 if (VB->TexCoordPtr[0] == 0)
 	    VB->TexCoordPtr[0] = VB->TexCoordPtr[1];

 	 if (VB->TexCoordPtr[1]->size == 4)
 	    return GL_FALSE;
       }

       if (VB->TexCoordPtr[0] && VB->TexCoordPtr[0]->size == 4)
 	 return GL_FALSE;
    }

    return GL_TRUE;
 }

 static void TAG(interp)( GLcontext *ctx,
 			 GLfloat t,
 			 GLuint edst, GLuint eout, GLuint ein,
 			 GLboolean force_boundary )
 {
    fxMesaContext fxMesa = FX_CONTEXT( ctx );
    struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
    const GLfloat *dstclip = VB->ClipPtr->data[edst];
    const GLfloat oow = (dstclip[3] == 0.0F) ? 1.0F : (1.0F / dstclip[3]);
    const GLfloat *const s = ctx->Viewport._WindowMap.m;
    GrVertex *fxverts = fxMesa->verts;
    GrVertex *dst = (GrVertex *) (fxverts + edst);
    const GrVertex *out = (const GrVertex *) (fxverts + eout);
    const GrVertex *in = (const GrVertex *) (fxverts + ein);
    const GLfloat wout = oow / out->oow;
    const GLfloat win = oow / in->oow;

    VIEWPORT_X(dst->x,   dstclip[0] * oow);
    VIEWPORT_Y(dst->y,   dstclip[1] * oow);
    VIEWPORT_Z(dst->ooz, dstclip[2] * oow);
    dst->oow = oow;

    if (IND & SETUP_SNAP) {
 #if defined(USE_IEEE)
       const float snapper = (3L << 18);
       dst->x += snapper;
       dst->x -= snapper;
       dst->y += snapper;
       dst->y -= snapper;
 #else
       dst->x = ((int) (dst->x * 16.0f)) * (1.0f / 16.0f);
       dst->y = ((int) (dst->y * 16.0f)) * (1.0f / 16.0f);
 #endif
    }


 #if FX_PACKEDCOLOR
    INTERP_UB( t, dst->pargb[0], out->pargb[0], in->pargb[0] );
    INTERP_UB( t, dst->pargb[1], out->pargb[1], in->pargb[1] );
    INTERP_UB( t, dst->pargb[2], out->pargb[2], in->pargb[2] );
    INTERP_UB( t, dst->pargb[3], out->pargb[3], in->pargb[3] );
 #else  /* !FX_PACKEDCOLOR */
    INTERP_F( t, dst->r, out->r, in->r );
    INTERP_F( t, dst->g, out->g, in->g );
    INTERP_F( t, dst->b, out->b, in->b );
    INTERP_F( t, dst->a, out->a, in->a );
 #endif /* !FX_PACKEDCOLOR */

    if (IND & SETUP_SPEC) {
 #if FX_PACKEDCOLOR
       INTERP_UB( t, dst->pspec[0], out->pspec[0], in->pspec[0] );
       INTERP_UB( t, dst->pspec[1], out->pspec[1], in->pspec[1] );
       INTERP_UB( t, dst->pspec[2], out->pspec[2], in->pspec[2] );
 #else  /* !FX_PACKEDCOLOR */
       INTERP_F( t, dst->r1, out->r1, in->r1 );
       INTERP_F( t, dst->g1, out->g1, in->g1 );
       INTERP_F( t, dst->b1, out->b1, in->b1 );
 #endif /* !FX_PACKEDCOLOR */
    }

    if (IND & SETUP_FOGC) {
       INTERP_F( t, dst->fog, out->fog, in->fog );
    }

    if (IND & SETUP_TMU0) {
       INTERP_F( t,
 		dst->tmuvtx[0].sow,
 		out->tmuvtx[0].sow * wout,
 		in->tmuvtx[0].sow * win );
       INTERP_F( t,
 		dst->tmuvtx[0].tow,
 		out->tmuvtx[0].tow * wout,
 		in->tmuvtx[0].tow * win );
       if (IND & SETUP_PTEX) {
 	 INTERP_F( t,
 		   dst->tmuvtx[0].oow,
 		   out->tmuvtx[0].oow * wout,
 		   in->tmuvtx[0].oow * win );
       }
    }

    if (IND & SETUP_TMU1) {
       INTERP_F( t,
 		dst->tmuvtx[1].sow,
 		out->tmuvtx[1].sow * wout,
 		in->tmuvtx[1].sow * win );
       INTERP_F( t,
 		dst->tmuvtx[1].tow,
 		out->tmuvtx[1].tow * wout,
 		in->tmuvtx[1].tow * win );
       if (IND & SETUP_PTEX) {
 	 INTERP_F( t,
 		   dst->tmuvtx[1].oow,
 		   out->tmuvtx[1].oow * wout,
 		   in->tmuvtx[1].oow * win );
       }
    }
 }
 #endif


 static void TAG(init)( void )
 {
    setup_tab[IND].emit = TAG(emit);

    if (IND & SETUP_SPEC) {
       setup_tab[IND].copy_pv = copy_pv2;
    } else {
       setup_tab[IND].copy_pv = copy_pv;
    }

 #if ((IND & SETUP_XYZW) && (IND & SETUP_RGBA))
    setup_tab[IND].check_tex_sizes = TAG(check_tex_sizes);
    setup_tab[IND].interp = TAG(interp);

    setup_tab[IND].vertex_format = 0;
    if (IND & SETUP_PTEX) {
       setup_tab[IND].vertex_format |= GR_STWHINT_W_DIFF_TMU0;
    }

 #if (IND & SETUP_TMU1)
    setup_tab[IND].vertex_format |= GR_STWHINT_ST_DIFF_TMU1;
    if (IND & SETUP_PTEX) {
       setup_tab[IND].vertex_format |= GR_STWHINT_W_DIFF_TMU1;
    }
 #endif

 #endif
 }


 #undef IND
 #undef TAG
	/*
	* 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.
	*/

	/* Authors:
	* Keith Whitwell <keith@tungstengraphics.com>
	* Daniel Borca <dborca@users.sourceforge.net>
	*/


	#define VIEWPORT_X(dst,x) dst = s[0] * x + s[12]
	#define VIEWPORT_Y(dst,y) dst = s[5] * y + s[13]
	#define VIEWPORT_Z(dst,z) dst = s[10] * z + s[14]

	static void TAG(emit)( GLcontext *ctx,
	GLuint start, GLuint end,
	void *dest )
	{
	fxMesaContext fxMesa = FX_CONTEXT(ctx);
	struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
	GLuint tmu0_source = fxMesa->tmu_source[0];
	GLuint tmu1_source = fxMesa->tmu_source[1];
	GLfloat (tc0)[4], (tc1)[4];
	GLfloat (col)[4], (spec)[4];
	GLuint tc0_stride, tc1_stride, col_stride, spec_stride;
	GLuint tc0_size, tc1_size, col_size;
	GLfloat (*proj)[4] = VB->NdcPtr->data;
	GLuint proj_stride = VB->NdcPtr->stride;
	GLfloat (*psize)[4];
	GLuint psize_stride;
	GLfloat (*fog)[4];
	GLuint fog_stride;
	GrVertex v = (GrVertex )dest;
	GLfloat u0scale,v0scale,u1scale,v1scale;
	const GLubyte *mask = VB->ClipMask;
	const GLfloat *const s = ctx->Viewport._WindowMap.m;
	int i;

	if (IND & SETUP_PSIZ) {
	psize = VB->PointSizePtr->data;
	psize_stride = VB->PointSizePtr->stride;
	}

	if (IND & SETUP_TMU0) {
	tc0 = VB->TexCoordPtr[tmu0_source]->data;
	tc0_stride = VB->TexCoordPtr[tmu0_source]->stride;
	u0scale = fxMesa->s0scale;
	v0scale = fxMesa->t0scale;
	if (IND & SETUP_PTEX)
	tc0_size = VB->TexCoordPtr[tmu0_source]->size;
	}

	if (IND & SETUP_TMU1) {
	tc1 = VB->TexCoordPtr[tmu1_source]->data;
	tc1_stride = VB->TexCoordPtr[tmu1_source]->stride;
	u1scale = fxMesa->s1scale; /* wrong if tmu1_source == 0, possible? */
	v1scale = fxMesa->t1scale;
	if (IND & SETUP_PTEX)
	tc1_size = VB->TexCoordPtr[tmu1_source]->size;
	}

	if (IND & SETUP_RGBA) {
	col = VB->ColorPtr[0]->data;
	col_stride = VB->ColorPtr[0]->stride;
	col_size = VB->ColorPtr[0]->size;
	}

	if (IND & SETUP_SPEC) {
	spec = VB->SecondaryColorPtr[0]->data;
	spec_stride = VB->SecondaryColorPtr[0]->stride;
	}

	if (IND & SETUP_FOGC) {
	fog = VB->FogCoordPtr->data;
	fog_stride = VB->FogCoordPtr->stride;
	}

	if (start) {
	proj = (GLfloat ()[4])((GLubyte )proj + start * proj_stride);
	if (IND & SETUP_PSIZ)
	psize = (GLfloat ()[4])((GLubyte )psize + start * psize_stride);
	if (IND & SETUP_TMU0)
	tc0 = (GLfloat ()[4])((GLubyte )tc0 + start * tc0_stride);
	if (IND & SETUP_TMU1)
	tc1 = (GLfloat ()[4])((GLubyte )tc1 + start * tc1_stride);
	if (IND & SETUP_RGBA)
	STRIDE_4F(col, start * col_stride);
	if (IND & SETUP_SPEC)
	STRIDE_4F(spec, start * spec_stride);
	if (IND & SETUP_FOGC)
	fog = (GLfloat ()[4])((GLubyte )fog + start * fog_stride);
	}

	for (i=start; i < end; i++, v++) {
	if (IND & SETUP_PSIZ) {
	v->psize = psize[0][0];
	psize = (GLfloat ()[4])((GLubyte )psize + psize_stride);
	}

	if (IND & SETUP_XYZW) {
	if (mask[i] == 0) {
	/* unclipped */
	VIEWPORT_X(v->x, proj[0][0]);
	VIEWPORT_Y(v->y, proj[0][1]);
	VIEWPORT_Z(v->ooz, proj[0][2]);
	v->oow = proj[0][3];

	if (IND & SETUP_SNAP) {
	#if defined(USE_IEEE)
	const float snapper = (3L << 18);
	v->x += snapper;
	v->x -= snapper;
	v->y += snapper;
	v->y -= snapper;
	#else
	v->x = ((int) (v->x * 16.0f)) * (1.0f / 16.0f);
	v->y = ((int) (v->y * 16.0f)) * (1.0f / 16.0f);
	#endif
	}
	} else {
	/* clipped */
	v->oow = 1.0;
	}

	proj = (GLfloat ()[4])((GLubyte )proj + proj_stride);
	}
	if (IND & SETUP_RGBA) {
	#if FX_PACKEDCOLOR
	UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[2], col[0][0]);
	UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[1], col[0][1]);
	UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[0], col[0][2]);
	if (col_size == 4) {
	UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[3], col[0][3]);
	} else {
	v->pargb[3] = 255;
	}
	#else /* !FX_PACKEDCOLOR */
	CNORM(v->r, col[0][0]);
	CNORM(v->g, col[0][1]);
	CNORM(v->b, col[0][2]);
	if (col_size == 4) {
	CNORM(v->a, col[0][3]);
	} else {
	v->a = 255.0f;
	}
	#endif /* !FX_PACKEDCOLOR */
	STRIDE_4F(col, col_stride);
	}
	if (IND & SETUP_SPEC) {
	#if FX_PACKEDCOLOR
	UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[2], spec[0][0]);
	UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[1], spec[0][1]);
	UNCLAMPED_FLOAT_TO_UBYTE(v->pspec[0], spec[0][2]);
	#else /* !FX_PACKEDCOLOR */
	CNORM(v->r1, spec[0][0]);
	CNORM(v->g1, spec[0][1]);
	CNORM(v->b1, spec[0][2]);
	#endif /* !FX_PACKEDCOLOR */
	STRIDE_4F(spec, spec_stride);
	}
	if (IND & SETUP_FOGC) {
	v->fog = CLAMP(fog[0][0], 0.0f, 1.0f);
	fog = (GLfloat ()[4])((GLubyte )fog + fog_stride);
	}
	if (IND & SETUP_TMU0) {
	GLfloat w = v->oow;
	v->tmuvtx[0].sow = tc0[0][0] * u0scale * w;
	v->tmuvtx[0].tow = tc0[0][1] * v0scale * w;
	if (IND & SETUP_PTEX) {
	v->tmuvtx[0].oow = w;
	if (tc0_size == 4)
	v->tmuvtx[0].oow *= tc0[0][3];
	}
	tc0 = (GLfloat ()[4])((GLubyte )tc0 + tc0_stride);
	}
	if (IND & SETUP_TMU1) {
	GLfloat w = v->oow;
	v->tmuvtx[1].sow = tc1[0][0] * u1scale * w;
	v->tmuvtx[1].tow = tc1[0][1] * v1scale * w;
	if (IND & SETUP_PTEX) {
	v->tmuvtx[1].oow = w;
	if (tc1_size == 4)
	v->tmuvtx[1].oow *= tc1[0][3];
	}
	tc1 = (GLfloat ()[4])((GLubyte )tc1 + tc1_stride);
	}
	}
	}

	#if (IND & SETUP_XYZW) && (IND & SETUP_RGBA)

	static GLboolean TAG(check_tex_sizes)( GLcontext *ctx )
	{
	/* fprintf(stderr, "%s\n", __FUNCTION__); */

	if (IND & SETUP_PTEX)
	return GL_TRUE;

	if (IND & SETUP_TMU0) {
	struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;

	if (IND & SETUP_TMU1) {
	if (VB->TexCoordPtr[0] == 0)
	VB->TexCoordPtr[0] = VB->TexCoordPtr[1];

	if (VB->TexCoordPtr[1]->size == 4)
	return GL_FALSE;
	}

	if (VB->TexCoordPtr[0] && VB->TexCoordPtr[0]->size == 4)
	return GL_FALSE;
	}

	return GL_TRUE;
	}

	static void TAG(interp)( GLcontext *ctx,
	GLfloat t,
	GLuint edst, GLuint eout, GLuint ein,
	GLboolean force_boundary )
	{
	fxMesaContext fxMesa = FX_CONTEXT( ctx );
	struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
	const GLfloat *dstclip = VB->ClipPtr->data[edst];
	const GLfloat oow = (dstclip[3] == 0.0F) ? 1.0F : (1.0F / dstclip[3]);
	const GLfloat *const s = ctx->Viewport._WindowMap.m;
	GrVertex *fxverts = fxMesa->verts;
	GrVertex dst = (GrVertex ) (fxverts + edst);
	const GrVertex out = (const GrVertex ) (fxverts + eout);
	const GrVertex in = (const GrVertex ) (fxverts + ein);
	const GLfloat wout = oow / out->oow;
	const GLfloat win = oow / in->oow;

	VIEWPORT_X(dst->x, dstclip[0] * oow);
	VIEWPORT_Y(dst->y, dstclip[1] * oow);
	VIEWPORT_Z(dst->ooz, dstclip[2] * oow);
	dst->oow = oow;

	if (IND & SETUP_SNAP) {
	#if defined(USE_IEEE)
	const float snapper = (3L << 18);
	dst->x += snapper;
	dst->x -= snapper;
	dst->y += snapper;
	dst->y -= snapper;
	#else
	dst->x = ((int) (dst->x * 16.0f)) * (1.0f / 16.0f);
	dst->y = ((int) (dst->y * 16.0f)) * (1.0f / 16.0f);
	#endif
	}


	#if FX_PACKEDCOLOR
	INTERP_UB( t, dst->pargb[0], out->pargb[0], in->pargb[0] );
	INTERP_UB( t, dst->pargb[1], out->pargb[1], in->pargb[1] );
	INTERP_UB( t, dst->pargb[2], out->pargb[2], in->pargb[2] );
	INTERP_UB( t, dst->pargb[3], out->pargb[3], in->pargb[3] );
	#else /* !FX_PACKEDCOLOR */
	INTERP_F( t, dst->r, out->r, in->r );
	INTERP_F( t, dst->g, out->g, in->g );
	INTERP_F( t, dst->b, out->b, in->b );
	INTERP_F( t, dst->a, out->a, in->a );
	#endif /* !FX_PACKEDCOLOR */

	if (IND & SETUP_SPEC) {
	#if FX_PACKEDCOLOR
	INTERP_UB( t, dst->pspec[0], out->pspec[0], in->pspec[0] );
	INTERP_UB( t, dst->pspec[1], out->pspec[1], in->pspec[1] );
	INTERP_UB( t, dst->pspec[2], out->pspec[2], in->pspec[2] );
	#else /* !FX_PACKEDCOLOR */
	INTERP_F( t, dst->r1, out->r1, in->r1 );
	INTERP_F( t, dst->g1, out->g1, in->g1 );
	INTERP_F( t, dst->b1, out->b1, in->b1 );
	#endif /* !FX_PACKEDCOLOR */
	}

	if (IND & SETUP_FOGC) {
	INTERP_F( t, dst->fog, out->fog, in->fog );
	}

	if (IND & SETUP_TMU0) {
	INTERP_F( t,
	dst->tmuvtx[0].sow,
	out->tmuvtx[0].sow * wout,
	in->tmuvtx[0].sow * win );
	INTERP_F( t,
	dst->tmuvtx[0].tow,
	out->tmuvtx[0].tow * wout,
	in->tmuvtx[0].tow * win );
	if (IND & SETUP_PTEX) {
	INTERP_F( t,
	dst->tmuvtx[0].oow,
	out->tmuvtx[0].oow * wout,
	in->tmuvtx[0].oow * win );
	}
	}

	if (IND & SETUP_TMU1) {
	INTERP_F( t,
	dst->tmuvtx[1].sow,
	out->tmuvtx[1].sow * wout,
	in->tmuvtx[1].sow * win );
	INTERP_F( t,
	dst->tmuvtx[1].tow,
	out->tmuvtx[1].tow * wout,
	in->tmuvtx[1].tow * win );
	if (IND & SETUP_PTEX) {
	INTERP_F( t,
	dst->tmuvtx[1].oow,
	out->tmuvtx[1].oow * wout,
	in->tmuvtx[1].oow * win );
	}
	}
	}
	#endif


	static void TAG(init)( void )
	{
	setup_tab[IND].emit = TAG(emit);

	if (IND & SETUP_SPEC) {
	setup_tab[IND].copy_pv = copy_pv2;
	} else {
	setup_tab[IND].copy_pv = copy_pv;
	}

	#if ((IND & SETUP_XYZW) && (IND & SETUP_RGBA))
	setup_tab[IND].check_tex_sizes = TAG(check_tex_sizes);
	setup_tab[IND].interp = TAG(interp);

	setup_tab[IND].vertex_format = 0;
	if (IND & SETUP_PTEX) {
	setup_tab[IND].vertex_format \|= GR_STWHINT_W_DIFF_TMU0;
	}

	#if (IND & SETUP_TMU1)
	setup_tab[IND].vertex_format \|= GR_STWHINT_ST_DIFF_TMU1;
	if (IND & SETUP_PTEX) {
	setup_tab[IND].vertex_format \|= GR_STWHINT_W_DIFF_TMU1;
	}
	#endif

	#endif
	}


	#undef IND
	#undef TAG