wm_apple.c

Go to the documentation of this file.

/*
 * $Id: wm_apple.c 37030 2011-05-31 01:15:44Z campbellbarton $
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program 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 2
 * of the License, or (at your option) any later version. 
 *
 * This program 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 this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2007 Blender Foundation.
 * All rights reserved.
 *
 * 
 * Contributor(s): Blender Foundation
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/* note, this file builds on apple-carbon only! */

#include "BKE_context.h"
#include "BKE_global.h"
#include "WM_api.h"

#include <OpenGL/OpenGL.h>
#define __CARBONSOUND__
/* XXX BIG WARNING: carbon.h can not be included in blender code, it conflicts with struct ID */
#define ID ID_
#include <Carbon/Carbon.h>


/* To avoid killing small end comps, we want to allow
blender to start maximised if all the followings are true :
- Renderer is OpenGL capable
- Hardware acceleration
- VRAM > 16 Mo

        We will bail out if VRAM is less than 8Mo
        */
/* bad global, used in wm_window.c to open windows */
int macPrefState = 0;

static int checkAppleVideoCard(void) 
{
        CGLRendererInfoObj rend;
        long theErr;
        unsigned long display_mask;
        long nrend;
        int j;
        long value;
        long maxvram = 0;   /* we get always more than 1 renderer, check one, at least, has 8 Mo */
        
        display_mask = CGDisplayIDToOpenGLDisplayMask (CGMainDisplayID() );     
        
        theErr = CGLQueryRendererInfo( display_mask, &rend, &nrend);
        if (theErr == 0) {
                theErr = CGLDescribeRenderer (rend, 0, kCGLRPRendererCount, &nrend);
                if (theErr == 0) {
                        for (j = 0; j < nrend; j++) {
                                theErr = CGLDescribeRenderer (rend, j, kCGLRPVideoMemory, &value); 
                                if (value > maxvram)
                                        maxvram = value;
                                if ((theErr == 0) && (value >= 20000000)) {
                                        theErr = CGLDescribeRenderer (rend, j, kCGLRPAccelerated, &value); 
                                        if ((theErr == 0) && (value != 0)) {
                                                theErr = CGLDescribeRenderer (rend, j, kCGLRPCompliant, &value); 
                                                if ((theErr == 0) && (value != 0)) {
                                                        /*fprintf(stderr,"make it big\n");*/
                                                        CGLDestroyRendererInfo (rend);
                                                        macPrefState = 8;
                                                        return 1;
                                                }
                                        }
                                }
                        }
                }
        }
        if (maxvram < 7500000 ) {       /* put a standard alert and quit*/ 
                SInt16 junkHit;
                char  inError[] = "* Not enough VRAM    ";
                char  inText[] = "* blender needs at least 8Mb    ";
                inError[0] = 16;
                inText[0] = 28;
                
                fprintf(stderr, " vram is %li . not enough, aborting\n", maxvram);
                StandardAlert (   kAlertStopAlert, (ConstStr255Param) &inError, (ConstStr255Param)&inText,NULL,&junkHit);
                abort();
        }
CGLDestroyRendererInfo (rend);
return 0;
}

static void getMacAvailableBounds(short *top, short *left, short *bottom, short *right) 
{
        Rect outAvailableRect;
        
        GetAvailableWindowPositioningBounds ( GetMainDevice(), &outAvailableRect);
        
        *top = outAvailableRect.top;  
        *left = outAvailableRect.left;
        *bottom = outAvailableRect.bottom; 
        *right = outAvailableRect.right;
}


void wm_set_apple_prefsize(int scr_x, int scr_y)
{
        
        /* first let us check if we are hardware accelerated and with VRAM > 16 Mo */
        
        if (checkAppleVideoCard()) {
                short top, left, bottom, right;
                
                getMacAvailableBounds(&top, &left, &bottom, &right);
                WM_setprefsize(left +10,scr_y - bottom +10,right-left -20,bottom - 64);
                G.windowstate= 0;
                
        } else {
                
                /* 40 + 684 + (headers) 22 + 22 = 768, the powerbook screen height */
                WM_setprefsize(120, 40, 850, 684);
                G.windowstate= 0;
        }
}