729 lines
18 KiB
C
729 lines
18 KiB
C
/* $Id: t_dd_tritmp.h,v 1.6 2001/03/12 00:48:44 gareth Exp $ */
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/*
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* Mesa 3-D graphics library
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* Version: 3.5
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*
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* Copyright (C) 1999-2001
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Brian Paul All Rights Reserved.
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*
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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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*
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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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*
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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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* Authors:
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* Keith Whitwell <keithw@valinux.com>
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*/
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/* Template for building functions to plug into the driver interface
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* of t_vb_render.c:
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* ctx->Driver.QuadFunc
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* ctx->Driver.TriangleFunc
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* ctx->Driver.LineFunc
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* ctx->Driver.PointsFunc
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*
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* DO_TWOSIDE: Plug back-color values from the VB into backfacing triangles,
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* and restore vertices afterwards.
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* DO_OFFSET: Calculate offset for triangles and adjust vertices. Restore
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* vertices after rendering.
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* DO_FLAT: For hardware without native flatshading, copy provoking colors
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* into the other vertices. Restore after rendering.
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* DO_UNFILLED: Decompose triangles to lines and points where appropriate.
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*
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* HAVE_RGBA: Vertices have rgba values (otherwise index values).
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* HAVE_SPEC: Vertices have secondary rgba values.
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*
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* VERT_X(v): Alias for vertex x value.
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* VERT_Y(v): Alias for vertex x value.
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* VERT_Z(v): Alias for vertex x value.
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* DEPTH_SCALE: Scale for offset.
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*
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* VERTEX: Hardware vertex type.
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* GET_VERTEX(n): Retreive vertex with index n.
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* AREA_IS_CCW(a): Return true if triangle with signed area a is ccw.
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*
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* VERT_SET_RGBA: Assign vertex rgba from VB color.
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* VERT_COPY_RGBA: Copy vertex rgba another vertex.
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* VERT_SAVE_RGBA: Save vertex rgba to a local variable.
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* VERT_RESTORE_RGBA: Restore vertex rgba from a local variable.
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* --> Similar for IND and SPEC.
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*
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* LOCAL_VARS(n): (At least) define local vars for save/restore rgba.
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*
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*/
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#if HAVE_RGBA
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#define VERT_SET_IND( v, c ) (void) c
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#define VERT_COPY_IND( v0, v1 )
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#define VERT_SAVE_IND( idx )
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#define VERT_RESTORE_IND( idx )
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#if HAVE_BACK_COLORS
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#define VERT_SET_RGBA( v, c )
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#endif
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#else
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#define VERT_SET_RGBA( v, c ) (void) c
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#define VERT_COPY_RGBA( v0, v1 )
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#define VERT_SAVE_RGBA( idx )
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#define VERT_RESTORE_RGBA( idx )
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#if HAVE_BACK_COLORS
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#define VERT_SET_IND( v, c )
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#endif
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#endif
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#if !HAVE_SPEC
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#define VERT_SET_SPEC( v, c ) (void) c
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#define VERT_COPY_SPEC( v0, v1 )
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#define VERT_SAVE_SPEC( idx )
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#define VERT_RESTORE_SPEC( idx )
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#if HAVE_BACK_COLORS
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#define VERT_COPY_SPEC1( v )
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#endif
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#else
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#if HAVE_BACK_COLORS
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#define VERT_SET_SPEC( v, c )
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#endif
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#endif
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#if !HAVE_BACK_COLORS
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#define VERT_COPY_SPEC1( v )
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#define VERT_COPY_IND1( v )
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#define VERT_COPY_RGBA1( v )
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#endif
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#ifndef INSANE_VERTICES
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#define VERT_SET_Z(v,val) VERT_Z(v) = val
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#define VERT_Z_ADD(v,val) VERT_Z(v) += val
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#endif
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#if DO_TRI
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static void TAG(triangle)( GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
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{
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struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
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VERTEX *v[3];
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GLfloat offset;
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GLfloat z[3];
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GLenum mode = GL_FILL;
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GLuint facing;
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LOCAL_VARS(3);
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/* fprintf(stderr, "%s\n", __FUNCTION__); */
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v[0] = (VERTEX *)GET_VERTEX(e0);
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v[1] = (VERTEX *)GET_VERTEX(e1);
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v[2] = (VERTEX *)GET_VERTEX(e2);
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if (DO_TWOSIDE || DO_OFFSET || DO_UNFILLED)
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{
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GLfloat ex = VERT_X(v[0]) - VERT_X(v[2]);
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GLfloat ey = VERT_Y(v[0]) - VERT_Y(v[2]);
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GLfloat fx = VERT_X(v[1]) - VERT_X(v[2]);
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GLfloat fy = VERT_Y(v[1]) - VERT_Y(v[2]);
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GLfloat cc = ex*fy - ey*fx;
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if (DO_TWOSIDE || DO_UNFILLED)
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{
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facing = AREA_IS_CCW( cc ) ^ ctx->Polygon._FrontBit;
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if (DO_UNFILLED) {
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if (facing) {
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mode = ctx->Polygon.BackMode;
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if (ctx->Polygon.CullFlag &&
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ctx->Polygon.CullFaceMode != GL_FRONT) {
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return;
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}
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} else {
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mode = ctx->Polygon.FrontMode;
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if (ctx->Polygon.CullFlag &&
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ctx->Polygon.CullFaceMode != GL_BACK) {
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return;
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}
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}
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}
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if (DO_TWOSIDE && facing == 1)
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{
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if (HAVE_RGBA) {
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if (HAVE_BACK_COLORS) {
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if (!DO_FLAT) {
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VERT_SAVE_RGBA( 0 );
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VERT_SAVE_RGBA( 1 );
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VERT_COPY_RGBA1( v[0] );
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VERT_COPY_RGBA1( v[1] );
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}
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VERT_SAVE_RGBA( 2 );
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VERT_COPY_RGBA1( v[2] );
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if (HAVE_SPEC) {
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if (!DO_FLAT) {
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VERT_SAVE_SPEC( 0 );
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VERT_SAVE_SPEC( 1 );
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VERT_COPY_SPEC1( v[0] );
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VERT_COPY_SPEC1( v[1] );
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}
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VERT_SAVE_SPEC( 2 );
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VERT_COPY_SPEC1( v[2] );
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}
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}
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else {
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GLchan (*vbcolor)[4] = VB->ColorPtr[1]->data;
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ASSERT(VB->ColorPtr[1]->stride == 4*sizeof(GLchan));
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(void) vbcolor;
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if (!DO_FLAT) {
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VERT_SET_RGBA( v[0], vbcolor[e0] );
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VERT_SET_RGBA( v[1], vbcolor[e1] );
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}
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VERT_SET_RGBA( v[2], vbcolor[e2] );
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if (HAVE_SPEC && VB->SecondaryColorPtr[1]) {
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GLchan (*vbspec)[4] = VB->SecondaryColorPtr[1]->data;
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if (!DO_FLAT) {
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VERT_SET_SPEC( v[0], vbspec[e0] );
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VERT_SET_SPEC( v[1], vbspec[e1] );
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}
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VERT_SET_SPEC( v[2], vbspec[e2] );
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}
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}
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}
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else {
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GLuint *vbindex = VB->IndexPtr[1]->data;
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if (!DO_FLAT) {
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VERT_SET_IND( v[0], vbindex[e0] );
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VERT_SET_IND( v[1], vbindex[e1] );
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}
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VERT_SET_IND( v[2], vbindex[e2] );
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}
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}
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}
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if (DO_OFFSET)
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{
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offset = ctx->Polygon.OffsetUnits * DEPTH_SCALE;
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z[0] = VERT_Z(v[0]);
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z[1] = VERT_Z(v[1]);
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z[2] = VERT_Z(v[2]);
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if (cc * cc > 1e-16) {
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GLfloat ic = 1.0 / cc;
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GLfloat ez = z[0] - z[2];
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GLfloat fz = z[1] - z[2];
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GLfloat a = ey*fz - ez*fy;
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GLfloat b = ez*fx - ex*fz;
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GLfloat ac = a * ic;
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GLfloat bc = b * ic;
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if ( ac < 0.0f ) ac = -ac;
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if ( bc < 0.0f ) bc = -bc;
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offset += MAX2( ac, bc ) * ctx->Polygon.OffsetFactor;
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}
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offset *= ctx->MRD;
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}
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}
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if (DO_FLAT) {
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if (HAVE_RGBA) {
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VERT_SAVE_RGBA( 0 );
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VERT_SAVE_RGBA( 1 );
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VERT_COPY_RGBA( v[0], v[2] );
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VERT_COPY_RGBA( v[1], v[2] );
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if (HAVE_SPEC && VB->SecondaryColorPtr[0]) {
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VERT_SAVE_SPEC( 0 );
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VERT_SAVE_SPEC( 1 );
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VERT_COPY_SPEC( v[0], v[2] );
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VERT_COPY_SPEC( v[1], v[2] );
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}
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}
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else {
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VERT_SAVE_IND( 0 );
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VERT_SAVE_IND( 1 );
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VERT_COPY_IND( v[0], v[2] );
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VERT_COPY_IND( v[1], v[2] );
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}
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}
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if (mode == GL_POINT) {
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if (DO_OFFSET && ctx->Polygon.OffsetPoint) {
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VERT_Z_ADD(v[0], offset);
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VERT_Z_ADD(v[1], offset);
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VERT_Z_ADD(v[2], offset);
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}
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UNFILLED_TRI( ctx, GL_POINT, e0, e1, e2 );
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} else if (mode == GL_LINE) {
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if (DO_OFFSET && ctx->Polygon.OffsetLine) {
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VERT_Z_ADD(v[0], offset);
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VERT_Z_ADD(v[1], offset);
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VERT_Z_ADD(v[2], offset);
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}
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UNFILLED_TRI( ctx, GL_LINE, e0, e1, e2 );
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} else {
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if (DO_OFFSET && ctx->Polygon.OffsetFill) {
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VERT_Z_ADD(v[0], offset);
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VERT_Z_ADD(v[1], offset);
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VERT_Z_ADD(v[2], offset);
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}
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if (DO_UNFILLED)
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RASTERIZE( GL_TRIANGLES );
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TRI( v[0], v[1], v[2] );
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}
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if (DO_OFFSET)
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{
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VERT_SET_Z(v[0], z[0]);
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VERT_SET_Z(v[1], z[1]);
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VERT_SET_Z(v[2], z[2]);
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}
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if (DO_TWOSIDE && facing == 1)
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{
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if (HAVE_RGBA) {
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if (HAVE_BACK_COLORS) {
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VERT_RESTORE_RGBA( 0 );
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VERT_RESTORE_RGBA( 1 );
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VERT_RESTORE_RGBA( 2 );
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if (HAVE_SPEC) {
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VERT_RESTORE_SPEC( 0 );
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VERT_RESTORE_SPEC( 1 );
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VERT_RESTORE_SPEC( 2 );
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}
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}
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else {
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GLchan (*vbcolor)[4] = VB->ColorPtr[0]->data;
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ASSERT(VB->ColorPtr[0]->stride == 4*sizeof(GLchan));
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(void) vbcolor;
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if (!DO_FLAT) {
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VERT_SET_RGBA( v[0], vbcolor[e0] );
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VERT_SET_RGBA( v[1], vbcolor[e1] );
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}
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VERT_SET_RGBA( v[2], vbcolor[e2] );
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if (HAVE_SPEC && VB->SecondaryColorPtr[0]) {
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GLchan (*vbspec)[4] = VB->SecondaryColorPtr[0]->data;
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ASSERT(VB->SecondaryColorPtr[0]->stride == 4*sizeof(GLchan));
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if (!DO_FLAT) {
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VERT_SET_SPEC( v[0], vbspec[e0] );
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VERT_SET_SPEC( v[1], vbspec[e1] );
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}
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VERT_SET_SPEC( v[2], vbspec[e2] );
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}
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}
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}
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else {
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GLuint *vbindex = VB->IndexPtr[0]->data;
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if (!DO_FLAT) {
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VERT_SET_IND( v[0], vbindex[e0] );
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VERT_SET_IND( v[1], vbindex[e1] );
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}
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VERT_SET_IND( v[2], vbindex[e2] );
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}
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}
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if (DO_FLAT) {
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if (HAVE_RGBA) {
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VERT_RESTORE_RGBA( 0 );
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VERT_RESTORE_RGBA( 1 );
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if (HAVE_SPEC && VB->SecondaryColorPtr[0]) {
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VERT_RESTORE_SPEC( 0 );
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VERT_RESTORE_SPEC( 1 );
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}
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}
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else {
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VERT_RESTORE_IND( 0 );
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VERT_RESTORE_IND( 1 );
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}
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}
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}
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#endif
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#if DO_QUAD
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#if DO_FULL_QUAD
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static void TAG(quad)( GLcontext *ctx,
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GLuint e0, GLuint e1, GLuint e2, GLuint e3 )
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{
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struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
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VERTEX *v[4];
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GLfloat offset;
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GLfloat z[4];
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GLenum mode = GL_FILL;
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GLuint facing;
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LOCAL_VARS(4);
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v[0] = (VERTEX *)GET_VERTEX(e0);
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v[1] = (VERTEX *)GET_VERTEX(e1);
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v[2] = (VERTEX *)GET_VERTEX(e2);
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v[3] = (VERTEX *)GET_VERTEX(e3);
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if (DO_TWOSIDE || DO_OFFSET || DO_UNFILLED)
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{
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GLfloat ex = VERT_X(v[2]) - VERT_X(v[0]);
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GLfloat ey = VERT_Y(v[2]) - VERT_Y(v[0]);
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GLfloat fx = VERT_X(v[3]) - VERT_X(v[1]);
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GLfloat fy = VERT_Y(v[3]) - VERT_Y(v[1]);
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GLfloat cc = ex*fy - ey*fx;
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if (DO_TWOSIDE || DO_UNFILLED)
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{
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facing = AREA_IS_CCW( cc ) ^ ctx->Polygon._FrontBit;
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if (DO_UNFILLED) {
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if (facing) {
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mode = ctx->Polygon.BackMode;
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if (ctx->Polygon.CullFlag &&
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ctx->Polygon.CullFaceMode != GL_FRONT) {
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return;
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}
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} else {
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mode = ctx->Polygon.FrontMode;
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if (ctx->Polygon.CullFlag &&
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ctx->Polygon.CullFaceMode != GL_BACK) {
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return;
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}
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}
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}
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if (DO_TWOSIDE && facing == 1)
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{
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if (HAVE_RGBA) {
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GLchan (*vbcolor)[4] = VB->ColorPtr[1]->data;
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(void)vbcolor;
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if (!DO_FLAT) {
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VERT_SET_RGBA( v[0], vbcolor[e0] );
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VERT_SET_RGBA( v[1], vbcolor[e1] );
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VERT_SET_RGBA( v[2], vbcolor[e2] );
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}
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VERT_SET_RGBA( v[3], vbcolor[e3] );
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if (HAVE_SPEC && VB->SecondaryColorPtr[facing]) {
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GLchan (*vbspec)[4] = VB->SecondaryColorPtr[1]->data;
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ASSERT(VB->SecondaryColorPtr[1]->stride == 4*sizeof(GLchan));
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if (!DO_FLAT) {
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VERT_SET_SPEC( v[0], vbspec[e0] );
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VERT_SET_SPEC( v[1], vbspec[e1] );
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VERT_SET_SPEC( v[2], vbspec[e2] );
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}
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VERT_SET_SPEC( v[3], vbspec[e3] );
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}
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}
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else {
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GLuint *vbindex = VB->IndexPtr[1]->data;
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if (!DO_FLAT) {
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VERT_SET_IND( v[0], vbindex[e0] );
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VERT_SET_IND( v[1], vbindex[e1] );
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VERT_SET_IND( v[2], vbindex[e2] );
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}
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VERT_SET_IND( v[3], vbindex[e3] );
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}
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}
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}
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if (DO_OFFSET)
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{
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offset = ctx->Polygon.OffsetUnits * DEPTH_SCALE;
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z[0] = VERT_Z(v[0]);
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z[1] = VERT_Z(v[1]);
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z[2] = VERT_Z(v[2]);
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z[3] = VERT_Z(v[3]);
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if (cc * cc > 1e-16) {
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GLfloat ez = z[2] - z[0];
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GLfloat fz = z[3] - z[1];
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GLfloat a = ey*fz - ez*fy;
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GLfloat b = ez*fx - ex*fz;
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GLfloat ic = 1.0 / cc;
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GLfloat ac = a * ic;
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GLfloat bc = b * ic;
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if ( ac < 0.0f ) ac = -ac;
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if ( bc < 0.0f ) bc = -bc;
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offset += MAX2( ac, bc ) * ctx->Polygon.OffsetFactor;
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}
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offset *= ctx->MRD;
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}
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}
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if (DO_FLAT) {
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if (HAVE_RGBA) {
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VERT_SAVE_RGBA( 0 );
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VERT_SAVE_RGBA( 1 );
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VERT_SAVE_RGBA( 2 );
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VERT_COPY_RGBA( v[0], v[3] );
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VERT_COPY_RGBA( v[1], v[3] );
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VERT_COPY_RGBA( v[2], v[3] );
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if (HAVE_SPEC && VB->SecondaryColorPtr[0]) {
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VERT_SAVE_SPEC( 0 );
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VERT_SAVE_SPEC( 1 );
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VERT_SAVE_SPEC( 2 );
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VERT_COPY_SPEC( v[0], v[3] );
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VERT_COPY_SPEC( v[1], v[3] );
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VERT_COPY_SPEC( v[2], v[3] );
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}
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}
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else {
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VERT_SAVE_IND( 0 );
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VERT_SAVE_IND( 1 );
|
|
VERT_SAVE_IND( 2 );
|
|
VERT_COPY_IND( v[0], v[3] );
|
|
VERT_COPY_IND( v[1], v[3] );
|
|
VERT_COPY_IND( v[2], v[3] );
|
|
}
|
|
}
|
|
|
|
if (mode == GL_POINT) {
|
|
if (( DO_OFFSET) && ctx->Polygon.OffsetPoint) {
|
|
VERT_Z_ADD(v[0], offset);
|
|
VERT_Z_ADD(v[1], offset);
|
|
VERT_Z_ADD(v[2], offset);
|
|
VERT_Z_ADD(v[3], offset);
|
|
}
|
|
UNFILLED_QUAD( ctx, GL_POINT, e0, e1, e2, e3 );
|
|
} else if (mode == GL_LINE) {
|
|
if (DO_OFFSET && ctx->Polygon.OffsetLine) {
|
|
VERT_Z_ADD(v[0], offset);
|
|
VERT_Z_ADD(v[1], offset);
|
|
VERT_Z_ADD(v[2], offset);
|
|
VERT_Z_ADD(v[3], offset);
|
|
}
|
|
UNFILLED_QUAD( ctx, GL_LINE, e0, e1, e2, e3 );
|
|
} else {
|
|
if (DO_OFFSET && ctx->Polygon.OffsetFill) {
|
|
VERT_Z_ADD(v[0], offset);
|
|
VERT_Z_ADD(v[1], offset);
|
|
VERT_Z_ADD(v[2], offset);
|
|
VERT_Z_ADD(v[3], offset);
|
|
}
|
|
RASTERIZE( GL_TRIANGLES );
|
|
QUAD( (v[0]), (v[1]), (v[2]), (v[3]) );
|
|
}
|
|
|
|
if (DO_OFFSET)
|
|
{
|
|
VERT_SET_Z(v[0], z[0]);
|
|
VERT_SET_Z(v[1], z[1]);
|
|
VERT_SET_Z(v[2], z[2]);
|
|
VERT_SET_Z(v[3], z[3]);
|
|
}
|
|
|
|
if (DO_TWOSIDE && facing == 1)
|
|
{
|
|
if (HAVE_RGBA) {
|
|
GLchan (*vbcolor)[4] = VB->ColorPtr[0]->data;
|
|
ASSERT(VB->ColorPtr[0]->stride == 4*sizeof(GLchan));
|
|
(void) vbcolor;
|
|
|
|
if (!DO_FLAT) {
|
|
VERT_SET_RGBA( v[0], vbcolor[e0] );
|
|
VERT_SET_RGBA( v[1], vbcolor[e1] );
|
|
VERT_SET_RGBA( v[2], vbcolor[e2] );
|
|
}
|
|
VERT_SET_RGBA( v[3], vbcolor[e3] );
|
|
|
|
if (HAVE_SPEC && VB->SecondaryColorPtr[0]) {
|
|
GLchan (*vbspec)[4] = VB->SecondaryColorPtr[0]->data;
|
|
ASSERT(VB->SecondaryColorPtr[0]->stride == 4*sizeof(GLchan));
|
|
|
|
if (!DO_FLAT) {
|
|
VERT_SET_SPEC( v[0], vbspec[e0] );
|
|
VERT_SET_SPEC( v[1], vbspec[e1] );
|
|
VERT_SET_SPEC( v[2], vbspec[e2] );
|
|
}
|
|
VERT_SET_SPEC( v[3], vbspec[e3] );
|
|
}
|
|
}
|
|
else {
|
|
GLuint *vbindex = VB->IndexPtr[0]->data;
|
|
if (!DO_FLAT) {
|
|
VERT_SET_IND( v[0], vbindex[e0] );
|
|
VERT_SET_IND( v[1], vbindex[e1] );
|
|
VERT_SET_IND( v[2], vbindex[e2] );
|
|
}
|
|
VERT_SET_IND( v[3], vbindex[e3] );
|
|
}
|
|
}
|
|
|
|
|
|
if (DO_FLAT) {
|
|
if (HAVE_RGBA) {
|
|
VERT_RESTORE_RGBA( 0 );
|
|
VERT_RESTORE_RGBA( 1 );
|
|
VERT_RESTORE_RGBA( 2 );
|
|
if (HAVE_SPEC && VB->SecondaryColorPtr[0]) {
|
|
VERT_RESTORE_SPEC( 0 );
|
|
VERT_RESTORE_SPEC( 1 );
|
|
VERT_RESTORE_SPEC( 2 );
|
|
}
|
|
}
|
|
else {
|
|
VERT_RESTORE_IND( 0 );
|
|
VERT_RESTORE_IND( 1 );
|
|
VERT_RESTORE_IND( 2 );
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
static void TAG(quad)( GLcontext *ctx, GLuint e0,
|
|
GLuint e1, GLuint e2, GLuint e3 )
|
|
{
|
|
if (DO_UNFILLED) {
|
|
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
|
|
GLubyte ef1 = VB->EdgeFlag[e1];
|
|
GLubyte ef3 = VB->EdgeFlag[e3];
|
|
VB->EdgeFlag[e1] = 0;
|
|
TAG(triangle)( ctx, e0, e1, e3 );
|
|
VB->EdgeFlag[e1] = ef1;
|
|
VB->EdgeFlag[e3] = 0;
|
|
TAG(triangle)( ctx, e1, e2, e3 );
|
|
VB->EdgeFlag[e3] = ef3;
|
|
} else {
|
|
TAG(triangle)( ctx, e0, e1, e3 );
|
|
TAG(triangle)( ctx, e1, e2, e3 );
|
|
}
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
#if DO_LINE
|
|
static void TAG(line)( GLcontext *ctx, GLuint e0, GLuint e1 )
|
|
{
|
|
TNLvertexbuffer *VB = &TNL_CONTEXT(ctx)->vb;
|
|
VERTEX *v[2];
|
|
LOCAL_VARS(2);
|
|
|
|
v[0] = (VERTEX *)GET_VERTEX(e0);
|
|
v[1] = (VERTEX *)GET_VERTEX(e1);
|
|
|
|
if (DO_FLAT) {
|
|
if (HAVE_RGBA) {
|
|
VERT_SAVE_RGBA( 0 );
|
|
VERT_COPY_RGBA( v[0], v[1] );
|
|
if (HAVE_SPEC && VB->SecondaryColorPtr[0]) {
|
|
VERT_SAVE_SPEC( 0 );
|
|
VERT_COPY_SPEC( v[0], v[1] );
|
|
}
|
|
}
|
|
else {
|
|
VERT_SAVE_IND( 0 );
|
|
VERT_COPY_IND( v[0], v[1] );
|
|
}
|
|
}
|
|
|
|
LINE( v[0], v[1] );
|
|
|
|
if (DO_FLAT) {
|
|
if (HAVE_RGBA) {
|
|
VERT_RESTORE_RGBA( 0 );
|
|
|
|
if (HAVE_SPEC && VB->SecondaryColorPtr[0]) {
|
|
VERT_RESTORE_SPEC( 0 );
|
|
}
|
|
}
|
|
else {
|
|
VERT_RESTORE_IND( 0 );
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if DO_POINTS
|
|
static void TAG(points)( GLcontext *ctx, GLuint first, GLuint last )
|
|
{
|
|
struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
|
|
int i;
|
|
LOCAL_VARS(1);
|
|
|
|
if (VB->Elts == 0) {
|
|
for ( i = first ; i < last ; i++ ) {
|
|
if ( VB->ClipMask[i] == 0 ) {
|
|
VERTEX *v = (VERTEX *)GET_VERTEX(i);
|
|
POINT( v );
|
|
}
|
|
}
|
|
} else {
|
|
for ( i = first ; i < last ; i++ ) {
|
|
GLuint e = VB->Elts[i];
|
|
if ( VB->ClipMask[e] == 0 ) {
|
|
VERTEX *v = (VERTEX *)GET_VERTEX(e);
|
|
POINT( v );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void TAG(init)( void )
|
|
{
|
|
#if DO_QUAD
|
|
TAB[IND].quad = TAG(quad);
|
|
#endif
|
|
#if DO_TRI
|
|
TAB[IND].triangle = TAG(triangle);
|
|
#endif
|
|
#if DO_LINE
|
|
TAB[IND].line = TAG(line);
|
|
#endif
|
|
#if DO_POINTS
|
|
TAB[IND].points = TAG(points);
|
|
#endif
|
|
}
|
|
|
|
#undef IND
|
|
#undef TAG
|
|
|
|
#if HAVE_RGBA
|
|
#undef VERT_SET_IND
|
|
#undef VERT_COPY_IND
|
|
#undef VERT_SAVE_IND
|
|
#undef VERT_RESTORE_IND
|
|
#if HAVE_BACK_COLORS
|
|
#undef VERT_SET_RGBA
|
|
#endif
|
|
#else
|
|
#undef VERT_SET_RGBA
|
|
#undef VERT_COPY_RGBA
|
|
#undef VERT_SAVE_RGBA
|
|
#undef VERT_RESTORE_RGBA
|
|
#if HAVE_BACK_COLORS
|
|
#undef VERT_SET_IND
|
|
#endif
|
|
#endif
|
|
|
|
#if !HAVE_SPEC
|
|
#undef VERT_SET_SPEC
|
|
#undef VERT_COPY_SPEC
|
|
#undef VERT_SAVE_SPEC
|
|
#undef VERT_RESTORE_SPEC
|
|
#if HAVE_BACK_COLORS
|
|
#undef VERT_COPY_SPEC1
|
|
#endif
|
|
#else
|
|
#if HAVE_BACK_COLORS
|
|
#undef VERT_SET_SPEC
|
|
#endif
|
|
#endif
|
|
|
|
#if !HAVE_BACK_COLORS
|
|
#undef VERT_COPY_SPEC1
|
|
#undef VERT_COPY_IND1
|
|
#undef VERT_COPY_RGBA1
|
|
#endif
|
|
|
|
#ifndef INSANE_VERTICES
|
|
#undef VERT_SET_Z
|
|
#undef VERT_Z_ADD
|
|
#endif
|