2002-10-12 11:37:38 +00:00
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/**
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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2002-11-25 15:29:57 +00:00
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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2002-10-12 11:37:38 +00:00
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2004-06-26 09:15:41 +00:00
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#ifdef WIN32
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#include <windows.h>
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#endif // WIN32
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#ifdef __APPLE__
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#include <OpenGL/gl.h>
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#include <OpenGL/glu.h>
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#else
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#include <GL/gl.h>
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#include <GL/glu.h>
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#endif
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2002-11-25 15:29:57 +00:00
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#include "GPC_PolygonMaterial.h"
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2002-10-12 11:37:38 +00:00
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#include "MT_Vector3.h"
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#include "RAS_IRasterizer.h"
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2004-04-24 06:40:15 +00:00
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#include "RAS_GLExtensionManager.h"
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2002-10-12 11:37:38 +00:00
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/* This list includes only data type definitions */
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#include "DNA_object_types.h"
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#include "DNA_material_types.h"
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#include "DNA_image_types.h"
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#include "DNA_lamp_types.h"
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#include "DNA_group_types.h"
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#include "DNA_scene_types.h"
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#include "DNA_camera_types.h"
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#include "DNA_property_types.h"
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#include "DNA_text_types.h"
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#include "DNA_sensor_types.h"
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#include "DNA_controller_types.h"
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#include "DNA_actuator_types.h"
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#include "DNA_mesh_types.h"
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2004-03-20 22:55:42 +00:00
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#include "DNA_meshdata_types.h"
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2002-10-12 11:37:38 +00:00
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#include "DNA_view3d_types.h"
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#include "DNA_world_types.h"
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#include "BKE_global.h"
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#include "BKE_image.h"
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#include "BKE_mesh.h"
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#include "MEM_guardedalloc.h"
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#include "IMB_imbuf_types.h"
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/* end of blender include block */
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static Image *fCurpage=0;
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static int fCurtile=0, fCurmode=0, fCurTileXRep=0, fCurTileYRep=0;
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static short fTexWindx, fTexWindy, fTexWinsx, fTexWinsy;
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static int fDoMipMap = 1;
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static int fLinearMipMap=1;
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static int fAlphamode= -1;
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2004-04-24 06:40:15 +00:00
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using namespace bgl;
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2002-10-12 11:37:38 +00:00
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/* (n&(n-1)) zeros the least significant bit of n */
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static int is_pow2(int num) {
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return ((num)&(num-1))==0;
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}
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static int smaller_pow2(int num) {
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while (!is_pow2(num))
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num= num&(num-1);
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return num;
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}
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static void my_make_repbind(Image *ima)
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{
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if(ima==0 || ima->ibuf==0) return;
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if(ima->repbind) {
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glDeleteTextures(ima->totbind, (GLuint*)ima->repbind);
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delete (ima->repbind);
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ima->repbind= 0;
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}
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ima->totbind= ima->xrep*ima->yrep;
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if(ima->totbind>1) {
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ima->repbind= (unsigned int *) malloc(sizeof(int)*ima->totbind);
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for (int i=0;i<ima->totbind;i++)
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((int*)ima->repbind)[i] = 0;
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}
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}
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2005-01-16 06:02:06 +00:00
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extern "C" int set_tpage(TFace *tface);
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2002-10-12 11:37:38 +00:00
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2005-01-16 06:02:06 +00:00
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int set_tpage(TFace *tface)
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2002-10-12 11:37:38 +00:00
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{
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static TFace *lasttface= 0;
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Image *ima;
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unsigned int *rect, *bind;
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int tpx, tpy, tilemode, tileXRep,tileYRep;
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2004-04-11 02:50:02 +00:00
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/* disable */
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2002-10-12 11:37:38 +00:00
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if(tface==0) {
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if(lasttface==0) return 0;
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lasttface= 0;
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fCurtile= 0;
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fCurpage= 0;
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if(fCurmode!=0) {
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glMatrixMode(GL_TEXTURE);
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glLoadIdentity();
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glMatrixMode(GL_MODELVIEW);
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}
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fCurmode= 0;
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fCurTileXRep=0;
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fCurTileYRep=0;
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fAlphamode= -1;
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glDisable(GL_BLEND);
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_TEXTURE_GEN_S);
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glDisable(GL_TEXTURE_GEN_T);
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return 0;
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}
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lasttface= tface;
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if( fAlphamode != tface->transp) {
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fAlphamode= tface->transp;
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if(fAlphamode) {
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glEnable(GL_BLEND);
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if(fAlphamode==TF_ADD) {
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glBlendFunc(GL_ONE, GL_ONE);
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/* glBlendEquationEXT(GL_FUNC_ADD_EXT); */
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}
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else if(fAlphamode==TF_ALPHA) {
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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/* glBlendEquationEXT(GL_FUNC_ADD_EXT); */
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}
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/* else { */
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/* glBlendFunc(GL_ONE, GL_ONE); */
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/* glBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT); */
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/* } */
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}
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else glDisable(GL_BLEND);
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}
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ima= (struct Image *) tface->tpage;
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/* Enable or disable environment mapping */
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if (ima && (ima->flag & IMA_REFLECT)){
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glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
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glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
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glEnable(GL_TEXTURE_GEN_S);
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glEnable(GL_TEXTURE_GEN_T);
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}
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else{
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glDisable(GL_TEXTURE_GEN_S);
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glDisable(GL_TEXTURE_GEN_T);
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}
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tilemode= tface->mode & TF_TILES;
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tileXRep = 0;
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tileYRep = 0;
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if (ima)
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{
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tileXRep = ima->xrep;
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tileYRep = ima->yrep;
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}
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if(ima==fCurpage && fCurtile==tface->tile && tilemode==fCurmode && fCurTileXRep==tileXRep && fCurTileYRep == tileYRep) return ima!=0;
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if(tilemode!=fCurmode || fCurTileXRep!=tileXRep || fCurTileYRep != tileYRep)
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{
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glMatrixMode(GL_TEXTURE);
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glLoadIdentity();
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if(tilemode && ima!=0)
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glScalef(ima->xrep, ima->yrep, 1.0);
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glMatrixMode(GL_MODELVIEW);
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}
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if(ima==0 || ima->ok==0) {
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glDisable(GL_TEXTURE_2D);
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fCurtile= tface->tile;
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fCurpage= 0;
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fCurmode= tilemode;
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fCurTileXRep = tileXRep;
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fCurTileYRep = tileYRep;
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return 0;
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}
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if(ima->ibuf==0) {
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load_image(ima, IB_rect, "", 0);
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if(ima->ibuf==0) {
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ima->ok= 0;
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fCurtile= tface->tile;
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fCurpage= 0;
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fCurmode= tilemode;
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fCurTileXRep = tileXRep;
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fCurTileYRep = tileYRep;
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glDisable(GL_TEXTURE_2D);
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return 0;
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}
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}
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if(ima->tpageflag & IMA_TWINANIM) fCurtile= ima->lastframe;
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else fCurtile= tface->tile;
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if(tilemode) {
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if(ima->repbind==0) my_make_repbind(ima);
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if(fCurtile>=ima->totbind) fCurtile= 0;
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/* this happens when you change repeat buttons */
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if(ima->repbind) bind= ima->repbind+fCurtile;
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else bind= &ima->bindcode;
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if(*bind==0) {
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fTexWindx= ima->ibuf->x/ima->xrep;
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fTexWindy= ima->ibuf->y/ima->yrep;
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if(fCurtile>=ima->xrep*ima->yrep) fCurtile= ima->xrep*ima->yrep-1;
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fTexWinsy= fCurtile / ima->xrep;
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fTexWinsx= fCurtile - fTexWinsy*ima->xrep;
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fTexWinsx*= fTexWindx;
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fTexWinsy*= fTexWindy;
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tpx= fTexWindx;
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tpy= fTexWindy;
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rect= ima->ibuf->rect + fTexWinsy*ima->ibuf->x + fTexWinsx;
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}
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}
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else {
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bind= &ima->bindcode;
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if(*bind==0) {
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tpx= ima->ibuf->x;
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tpy= ima->ibuf->y;
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rect= ima->ibuf->rect;
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}
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}
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if(*bind==0) {
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int rectw= tpx, recth= tpy;
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unsigned int *tilerect= NULL, *scalerect= NULL;
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/*
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* Maarten:
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* According to Ton this code is not needed anymore. It was used only
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* in really old Blenders.
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* Reevan:
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* Actually it is needed for backwards compatibility. Simpledemo 6 does not display correctly without it.
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*/
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#if 1
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if (tilemode) {
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int y;
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tilerect= (unsigned int*)MEM_mallocN(rectw*recth*sizeof(*tilerect), "tilerect");
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for (y=0; y<recth; y++) {
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unsigned int *rectrow= &rect[y*ima->ibuf->x];
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unsigned int *tilerectrow= &tilerect[y*rectw];
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memcpy(tilerectrow, rectrow, tpx*sizeof(*rectrow));
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}
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rect= tilerect;
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}
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#endif
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if (!is_pow2(rectw) || !is_pow2(recth)) {
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rectw= smaller_pow2(rectw);
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recth= smaller_pow2(recth);
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scalerect= (unsigned int *)MEM_mallocN(rectw*recth*sizeof(*scalerect), "scalerect");
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gluScaleImage(GL_RGBA, tpx, tpy, GL_UNSIGNED_BYTE, rect, rectw, recth, GL_UNSIGNED_BYTE, scalerect);
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rect= scalerect;
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}
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glGenTextures(1, (GLuint*)bind);
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/*
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if(G.f & G_DEBUG) {
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printf("var1: %s\n", ima->id.name+2);
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printf("var1: %d, var2: %d\n", *bind, tpx);
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printf("var1: %d, var2: %d\n", fCurtile, tilemode);
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}
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*/
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glBindTexture( GL_TEXTURE_2D, *bind);
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if (!fDoMipMap)
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{
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2004-03-22 22:02:18 +00:00
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rectw, recth, 0, GL_RGBA, GL_UNSIGNED_BYTE, rect);
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2002-10-12 11:37:38 +00:00
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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} else
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{
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int minfilter= fLinearMipMap?GL_LINEAR_MIPMAP_LINEAR:GL_LINEAR_MIPMAP_NEAREST;
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2004-03-22 22:02:18 +00:00
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gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, rectw, recth, GL_RGBA, GL_UNSIGNED_BYTE, rect);
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2002-10-12 11:37:38 +00:00
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minfilter);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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}
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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if (tilerect)
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MEM_freeN(tilerect);
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if (scalerect)
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MEM_freeN(scalerect);
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}
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else glBindTexture( GL_TEXTURE_2D, *bind);
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glEnable(GL_TEXTURE_2D);
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fCurpage= ima;
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|
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fCurmode= tilemode;
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fCurTileXRep = tileXRep;
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fCurTileYRep = tileYRep;
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return 1;
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}
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2005-01-16 06:02:06 +00:00
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#if 0
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2002-10-12 11:37:38 +00:00
|
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GPC_PolygonMaterial::GPC_PolygonMaterial(const STR_String& texname, bool ba, const STR_String& matname,
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2004-05-26 12:01:08 +00:00
|
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int tile, int tileXrep, int tileYrep, int mode, bool transparant, bool zsort,
|
2002-10-12 11:37:38 +00:00
|
|
|
int lightlayer, bool bIsTriangle, void* clientobject, void* tpage) :
|
|
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RAS_IPolyMaterial(texname, ba, matname, tile, tileXrep, tileYrep, mode,
|
2004-05-26 12:01:08 +00:00
|
|
|
transparant, zsort, lightlayer, bIsTriangle, clientobject), m_tface((struct TFace*)tpage)
|
2002-10-12 11:37:38 +00:00
|
|
|
{
|
|
|
|
// clear local caching info
|
|
|
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my_set_tpage(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
GPC_PolygonMaterial::~GPC_PolygonMaterial(void)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void GPC_PolygonMaterial::Activate(RAS_IRasterizer* rasty, TCachingInfo& cachingInfo) const
|
|
|
|
{
|
|
|
|
if (GetCachingInfo() != cachingInfo)
|
|
|
|
{
|
|
|
|
if (!cachingInfo)
|
|
|
|
{
|
|
|
|
my_set_tpage(0);
|
|
|
|
}
|
|
|
|
cachingInfo = GetCachingInfo();
|
|
|
|
|
|
|
|
if ((m_drawingmode & 4)&& (rasty->GetDrawingMode() == RAS_IRasterizer::KX_TEXTURED) )
|
|
|
|
{
|
|
|
|
update_realtime_texture((struct TFace*) m_tface, rasty->GetTime());
|
|
|
|
my_set_tpage(m_tface);
|
|
|
|
rasty->EnableTextures(true);
|
|
|
|
} else
|
|
|
|
{
|
|
|
|
my_set_tpage(0);
|
|
|
|
rasty->EnableTextures(false);
|
|
|
|
}
|
|
|
|
|
|
|
|
//TF_TWOSIDE == 512, todo, make this a ketsji enum
|
|
|
|
if(m_drawingmode & 512) {
|
|
|
|
rasty->SetCullFace(false);
|
|
|
|
}
|
|
|
|
|
|
|
|
else
|
|
|
|
{
|
2004-04-24 06:40:15 +00:00
|
|
|
rasty->SetCullFace(true);//glEnable(GL_CULL_FACE);
|
2002-10-12 11:37:38 +00:00
|
|
|
//else glDisable(GL_CULL_FACE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
rasty->SetSpecularity(m_specular[0],m_specular[1],m_specular[2],m_specularity);
|
|
|
|
rasty->SetShinyness(m_shininess);
|
|
|
|
rasty->SetDiffuse(m_diffuse[0], m_diffuse[1],m_diffuse[2], 1.0);
|
|
|
|
}
|
|
|
|
|
2005-01-16 06:02:06 +00:00
|
|
|
#endif
|
2002-10-12 11:37:38 +00:00
|
|
|
void GPC_PolygonMaterial::SetMipMappingEnabled(bool enabled)
|
|
|
|
{
|
|
|
|
fDoMipMap = enabled ? 1 : 0;
|
|
|
|
}
|