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