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Annotation of tme/machine/sun/sun-fb.c, revision 1.1.1.1

1.1       root        1: /* $Id: sun-fb.c,v 1.1 2004/08/19 11:34:13 fredette Exp $ */
                      2: 
                      3: /* machine/sun/sun-fb.c - Sun framebuffer emulation support: */
                      4: 
                      5: /*
                      6:  * Copyright (c) 2004 Matt Fredette
                      7:  * All rights reserved.
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
                     14:  * 2. Redistributions in binary form must reproduce the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer in the
                     16:  *    documentation and/or other materials provided with the distribution.
                     17:  * 3. All advertising materials mentioning features or use of this software
                     18:  *    must display the following acknowledgement:
                     19:  *      This product includes software developed by Matt Fredette.
                     20:  * 4. The name of the author may not be used to endorse or promote products
                     21:  *    derived from this software without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     25:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
                     26:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
                     27:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     28:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     29:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
                     31:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
                     32:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     33:  * POSSIBILITY OF SUCH DAMAGE.
                     34:  */
                     35: 
                     36: #include <tme/common.h>
                     37: _TME_RCSID("$Id: sun-fb.c,v 1.1 2004/08/19 11:34:13 fredette Exp $");
                     38: 
                     39: /* includes: */
                     40: #include "sun-fb.h"
                     41: 
                     42: /* this returns the P4 size value for the given resolution: */
                     43: tme_uint32_t 
                     44: tme_sun_fb_p4_size(const char *size)
                     45: {
                     46:   if (TME_ARG_IS(size, "1600x1280")) {
                     47:     return (TME_SUN_P4_SIZE_1600_1280);
                     48:   }
                     49:   else if (TME_ARG_IS(size, "1152x900")) {
                     50:     return (TME_SUN_P4_SIZE_1152_900);
                     51:   }
                     52:   else if (TME_ARG_IS(size, "1024x1024")) {
                     53:     return (TME_SUN_P4_SIZE_1024_1024);
                     54:   }
                     55:   else if (TME_ARG_IS(size, "1280x1024")) {
                     56:     return (TME_SUN_P4_SIZE_1280_1024);
                     57:   }
                     58:   else if (TME_ARG_IS(size, "1440x1440")) {
                     59:     return (TME_SUN_P4_SIZE_1440_1440);
                     60:   }
                     61:   else if (TME_ARG_IS(size, "640x480")) {
                     62:     return (TME_SUN_P4_SIZE_640_480);
                     63:   }
                     64:   return (TME_SUN_P4_SIZE_NULL);
                     65: }
                     66: 
                     67: /* this returns the width for the given P4 size value: */
                     68: tme_uint32_t
                     69: tme_sun_fb_p4_size_width(tme_uint32_t p4_size)
                     70: {
                     71:   switch (p4_size) {
                     72:   case TME_SUN_P4_SIZE_1600_1280: return(1600);
                     73:   case TME_SUN_P4_SIZE_1152_900: return(1152);
                     74:   case TME_SUN_P4_SIZE_1024_1024: return(1024);
                     75:   case TME_SUN_P4_SIZE_1280_1024: return(1280);
                     76:   case TME_SUN_P4_SIZE_1440_1440: return(1440);
                     77:   case TME_SUN_P4_SIZE_640_480: return(640);
                     78:   default: abort();
                     79:   }
                     80: }
                     81: 
                     82: /* this returns the height for the given P4 size value: */
                     83: tme_uint32_t
                     84: tme_sun_fb_p4_size_height(tme_uint32_t p4_size)
                     85: {
                     86:   switch (p4_size) {
                     87:   case TME_SUN_P4_SIZE_1600_1280: return(1280);
                     88:   case TME_SUN_P4_SIZE_1152_900: return(900);
                     89:   case TME_SUN_P4_SIZE_1024_1024: return(1024);
                     90:   case TME_SUN_P4_SIZE_1280_1024: return(1024);
                     91:   case TME_SUN_P4_SIZE_1440_1440: return(1440);
                     92:   case TME_SUN_P4_SIZE_640_480: return(480);
                     93:   default: abort();
                     94:   }
                     95: }

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