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hello world

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This commit is contained in:
Timothee 'TTimo' Besset
2011-11-22 15:28:15 -06:00
commit fb1609f554
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neo/tools/compilers/dmap/optimize_gcc.cpp Normal file
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/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
Doom 3 Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
/*
crazy gcc 3.3.5 optimization bug
happens even at -O1
if you remove the 'return NULL;' after Error(), it only happens at -O3 / release
see dmap.gcc.zip test map and .proc outputs
*/
#include "../../../idlib/precompiled.h"
#pragma hdrstop
#include "dmap.h"
extern idBounds optBounds;
#define MAX_OPT_VERTEXES 0x10000
extern int numOptVerts;
extern optVertex_t optVerts[MAX_OPT_VERTEXES];
/*
================
FindOptVertex
================
*/
optVertex_t *FindOptVertex( idDrawVert *v, optimizeGroup_t *opt ) {
int i;
float x, y;
optVertex_t *vert;
// deal with everything strictly as 2D
x = v->xyz * opt->axis[0];
y = v->xyz * opt->axis[1];
// should we match based on the t-junction fixing hash verts?
for ( i = 0 ; i < numOptVerts ; i++ ) {
if ( optVerts[i].pv[0] == x && optVerts[i].pv[1] == y ) {
return &optVerts[i];
}
}
if ( numOptVerts >= MAX_OPT_VERTEXES ) {
common->Error( "MAX_OPT_VERTEXES" );
return NULL;
}
numOptVerts++;
vert = &optVerts[i];
memset( vert, 0, sizeof( *vert ) );
vert->v = *v;
vert->pv[0] = x;
vert->pv[1] = y;
vert->pv[2] = 0;
optBounds.AddPoint( vert->pv );
return vert;
}