Mercurial > sdl-ios-xcode
changeset 734:0310bb01091f
New C2P conversion routine
| author | Patrice Mandin <patmandin@gmail.com> |
|---|---|
| date | Wed, 12 Nov 2003 18:45:48 +0000 |
| parents | 9557ac1857a3 |
| children | abec2a842d11 |
| files | src/video/ataricommon/Makefile.am src/video/ataricommon/SDL_ataric2p.S src/video/ataricommon/SDL_ataric2p060.c src/video/ataricommon/SDL_ataric2p060_c.h src/video/ataricommon/SDL_ataric2p_s.h |
| diffstat | 5 files changed, 284 insertions(+), 492 deletions(-) [+] |
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--- a/src/video/ataricommon/Makefile.am Wed Nov 05 23:11:05 2003 +0000 +++ b/src/video/ataricommon/Makefile.am Wed Nov 12 18:45:48 2003 +0000 @@ -8,8 +8,6 @@ ATARICOMMON_SRCS = \ SDL_ataric2p.S \ SDL_ataric2p_s.h \ - SDL_ataric2p060.c \ - SDL_ataric2p060_c.h \ SDL_atarieddi.S \ SDL_atarieddi_s.h \ SDL_atarievents.c \
--- a/src/video/ataricommon/SDL_ataric2p.S Wed Nov 05 23:11:05 2003 +0000 +++ b/src/video/ataricommon/SDL_ataric2p.S Wed Nov 12 18:45:48 2003 +0000 @@ -26,70 +26,274 @@ #endif /* - * Chunky to planar conversion routine - * 1 byte/pixel -> 4 or 8 bit planes - * - * Patrice Mandin - * Xavier Joubert - */ - -/* ------------ Function pointers ------------ */ - - .globl _Atari_C2pInit - .globl _Atari_C2pConvert - - .data - - .even - .comm _Atari_C2pInit,4 - .comm _Atari_C2pConvert,4 - -/* ------------ Conversion Table C2P ------------ */ - - .globl _Atari_table_c2p - - .data - - .comm _Atari_table_c2p,2048 - -/* ------------ Init table C2P, 8 bits ------------ */ + Chunky to planar conversion routine + 1 byte/pixel -> 4 or 8 bit planes - .globl _Atari_C2pInit8 - - .text -_Atari_C2pInit8: - movel d2,sp@- + Patrice Mandin + Xavier Joubert + Mikael Kalms +*/ - lea _Atari_table_c2p,a0 - movew #255,d0 -c2p_initbcl: -#if defined (__M68020__) - lea a0@(0,d0:w:8),a1 -#else - movew d0,d2 - lslw #3,d2 - lea a0@(0,d2:w),a1 -#endif - moveq #7,d1 -c2p_initbyte: - btst d1,d0 - sne d2 - negw d2 - moveb d2,a1@(0,d1:w) - - dbra d1,c2p_initbyte - - dbra d0,c2p_initbcl - - movel sp@+,d2 - rts + .globl _SDL_Atari_C2pConvert + .globl _SDL_Atari_C2pConvert8 + .globl _SDL_Atari_C2pConvert4 + .globl _SDL_Atari_C2pConvert4_pal + .globl _SDL_Atari_table_c2p /* ------------ Conversion C2P, 8 bits ------------ */ - .globl _Atari_C2pConvert8 + .text +_SDL_Atari_C2pConvert8: + movel sp@(4),c2p_source + movel sp@(8),c2p_dest + movel sp@(12),c2p_width + movel sp@(16),c2p_height + movel sp@(20),c2p_dblligne + movel sp@(24),c2p_srcpitch + movel sp@(28),c2p_dstpitch + + moveml d2-d7/a2-a6,sp@- + + movel c2p_source,c2p_cursrc + movel c2p_dest,c2p_curdst + movel #0x0f0f0f0f,d4 + movel #0x00ff00ff,d5 + movel #0x55555555,d6 + movew c2p_height+2,c2p_row + movew c2p_width+2,d0 + andw #-8,d0 + movew d0,c2p_rowlen + +SDL_Atari_C2p8_rowloop: + + movel c2p_cursrc,a0 + movel c2p_curdst,a1 + + movel a0,a2 + addw c2p_rowlen,a2 + + movel a0@+,d0 + movel a0@+,d1 + movel a0@+,d2 + movel a0@+,d3 +/* + d0 = a7a6a5a4a3a2a1a0 b7b6b5b4b3b2b1b0 c7c6c5c4c3c2c1c0 d7d6d5d4d3d2d1d0 + d1 = e7e6e5e4e3e2e1e0 f7f6f5f4f3f2f1f0 g7g6g5g4g3g2g1g0 h7h6h5h4h3h2h1h0 + d2 = i7i6i5i4i3i2i1i0 j7j6j5j4j3j2j1j0 k7k6k5k4k3k2k1k0 l7l6l5l4l3l2l1l0 + d3 = m7m6m5m4m3m2m1m0 n7n6n5n4n3n2n1n0 o7o6o5o4o3o2o1o0 p7p6p5p4p3p2p1p0 +*/ + movel d1,d7 + lsrl #4,d7 + eorl d0,d7 + andl d4,d7 + eorl d7,d0 + lsll #4,d7 + eorl d7,d1 + + movel d3,d7 + lsrl #4,d7 + eorl d2,d7 + andl d4,d7 + eorl d7,d2 + lsll #4,d7 + eorl d7,d3 + + movel d2,d7 + lsrl #8,d7 + eorl d0,d7 + andl d5,d7 + eorl d7,d0 + lsll #8,d7 + eorl d7,d2 + + movel d3,d7 + lsrl #8,d7 + eorl d1,d7 + andl d5,d7 + eorl d7,d1 + lsll #8,d7 + eorl d7,d3 +/* + d0 = a7a6a5a4e7e6e5e4 i7i6i5i4m7m6m5m4 c7c6c5c4g7g6g5g4 k7k6k5k4o7o6o5o4 + d1 = a3a2a1a0e3e2e1e0 i3i2i1i0m3m2m1m0 c3c2c1c0g3g2g1g0 k3k2k1k0o3o2o1o0 + d2 = b7b6b5b4f7f6f5f4 j7j6j5j4n7n6n5n4 d7d6d5d4h7h6h5h4 l7l6l5l4p7p6p5p4 + d3 = b3b2b1b0f3f2f1f0 j3j2j1j0n3n2n1n0 d3d2d1d0h3h2h1h0 l3l2l1l0p3p2p1p0 +*/ + bras SDL_Atari_C2p8_start + +SDL_Atari_C2p8_pix16: + + movel a0@+,d0 + movel a0@+,d1 + movel a0@+,d2 + movel a0@+,d3 +/* + d0 = a7a6a5a4a3a2a1a0 b7b6b5b4b3b2b1b0 c7c6c5c4c3c2c1c0 d7d6d5d4d3d2d1d0 + d1 = e7e6e5e4e3e2e1e0 f7f6f5f4f3f2f1f0 g7g6g5g4g3g2g1g0 h7h6h5h4h3h2h1h0 + d2 = i7i6i5i4i3i2i1i0 j7j6j5j4j3j2j1j0 k7k6k5k4k3k2k1k0 l7l6l5l4l3l2l1l0 + d3 = m7m6m5m4m3m2m1m0 n7n6n5n4n3n2n1n0 o7o6o5o4o3o2o1o0 p7p6p5p4p3p2p1p0 +*/ + movel d1,d7 + lsrl #4,d7 + movel a3,a1@+ + eorl d0,d7 + andl d4,d7 + eorl d7,d0 + lsll #4,d7 + eorl d7,d1 + + movel d3,d7 + lsrl #4,d7 + eorl d2,d7 + andl d4,d7 + eorl d7,d2 + movel a4,a1@+ + lsll #4,d7 + eorl d7,d3 + + movel d2,d7 + lsrl #8,d7 + eorl d0,d7 + andl d5,d7 + eorl d7,d0 + movel a5,a1@+ + lsll #8,d7 + eorl d7,d2 - .text -_Atari_C2pConvert8: + movel d3,d7 + lsrl #8,d7 + eorl d1,d7 + andl d5,d7 + eorl d7,d1 + movel a6,a1@+ + lsll #8,d7 + eorl d7,d3 +/* + d0 = a7a6a5a4e7e6e5e4 i7i6i5i4m7m6m5m4 c7c6c5c4g7g6g5g4 k7k6k5k4o7o6o5o4 + d1 = a3a2a1a0e3e2e1e0 i3i2i1i0m3m2m1m0 c3c2c1c0g3g2g1g0 k3k2k1k0o3o2o1o0 + d2 = b7b6b5b4f7f6f5f4 j7j6j5j4n7n6n5n4 d7d6d5d4h7h6h5h4 l7l6l5l4p7p6p5p4 + d3 = b3b2b1b0f3f2f1f0 j3j2j1j0n3n2n1n0 d3d2d1d0h3h2h1h0 l3l2l1l0p3p2p1p0 +*/ + +SDL_Atari_C2p8_start: + + movel d2,d7 + lsrl #1,d7 + eorl d0,d7 + andl d6,d7 + eorl d7,d0 + addl d7,d7 + eorl d7,d2 + + movel d3,d7 + lsrl #1,d7 + eorl d1,d7 + andl d6,d7 + eorl d7,d1 + addl d7,d7 + eorl d7,d3 +/* + d0 = a7b7a5b5e7f7e5f5 i7j7i5j5m7n7m5n5 c7d7c5d5g7h7g5h5 k7l7k5l5o7p7o5p5 + d1 = a3b3a1b1e3f3e1f1 i3j3i1j1m3n3m1n1 c3d3c1d1g3h3g1h1 k3l3k1l1o3p3o1p1 + d2 = a6b6a4b4e6f6e4f4 i6j6i4j4m6n6m4n4 c6d6c4d4g6h6g4h4 k6l6k4l4o6p6o4p4 + d3 = a2b2a0b0e2f2e0f0 i2j2i0j0m2n2m0n0 c2d2c0d0g2h2g0h0 k2l2k0l0o2p2o0p0 +*/ + movew d2,d7 + movew d0,d2 + swap d2 + movew d2,d0 + movew d7,d2 + + movew d3,d7 + movew d1,d3 + swap d3 + movew d3,d1 + movew d7,d3 +/* + d0 = a7b7a5b5e7f7e5f5 i7j7i5j5m7n7m5n5 a6b6a4b4e6f6e4f4 i6j6i4j4m6n6m4n4 + d1 = a3b3a1b1e3f3e1f1 i3j3i1j1m3n3m1n1 a2b2a0b0e2f2e0f0 i2j2i0j0m2n2m0n0 + d2 = c7d7c5d5g7h7g5h5 k7l7k5l5o7p7o5p5 c6d6c4d4g6h6g4h4 k6l6k4l4o6p6o4p4 + d3 = c3d3c1d1g3h3g1h1 k3l3k1l1o3p3o1p1 c2d2c0d0g2h2g0h0 k2l2k0l0o2p2o0p0 +*/ + movel d2,d7 + lsrl #2,d7 + eorl d0,d7 + andl #0x33333333,d7 + eorl d7,d0 + lsll #2,d7 + eorl d7,d2 + + movel d3,d7 + lsrl #2,d7 + eorl d1,d7 + andl #0x33333333,d7 + eorl d7,d1 + lsll #2,d7 + eorl d7,d3 +/* + d0 = a7b7c7d7e7f7g7h7 i7j7k7l7m7n7o7p7 a6b6c6d6e6f6g6h6 i6j6k6l6m6n6o6p6 + d1 = a3b3c3d3e3f3g3h3 i3j3k3l3m3n3o3p3 a2b2c2d2e2f2g2h2 i2j2k2l2m2n2o2p2 + d2 = a5b5c5d5e5f5g5h5 i5j5k5l5m5n5o5p5 a4b4c4d4e4f4g4h4 i4j4k4l4m4n4o4p4 + d3 = a1b1c1d1e1f1g1h1 i1j1k1l1m1n1o1p1 a0b0c0d0e0f0g0h0 i0j0k0l0m0n0o0p0 +*/ + swap d0 + swap d1 + swap d2 + swap d3 + + movel d0,a6 + movel d2,a5 + movel d1,a4 + movel d3,a3 + + cmpl a0,a2 + bgt SDL_Atari_C2p8_pix16 + + movel a3,a1@+ + movel a4,a1@+ + movel a5,a1@+ + movel a6,a1@+ + + /* Double the line ? */ + + movel c2p_srcpitch,d0 + movel c2p_dstpitch,d1 + + tstl c2p_dblligne + beqs SDL_Atari_C2p8_nodblline + + movel c2p_curdst,a0 + movel a0,a1 + addl d1,a1 + + movew c2p_width+2,d7 + lsrw #4,d7 + subql #1,d7 +SDL_Atari_C2p8_dblloop: + movel a0@+,a1@+ + movel a0@+,a1@+ + movel a0@+,a1@+ + movel a0@+,a1@+ + dbra d7,SDL_Atari_C2p8_dblloop + + addl d1,c2p_curdst + +SDL_Atari_C2p8_nodblline: + + /* Next line */ + + addl d0,c2p_cursrc + addl d1,c2p_curdst + + subqw #1,c2p_row + bne SDL_Atari_C2p8_rowloop + + moveml sp@+,d2-d7/a2-a6 + rts + +/* ------------ Conversion C2P, 4 bits ------------ */ + +_SDL_Atari_C2pConvert4: movel sp@(4),c2p_source movel sp@(8),c2p_dest movel sp@(12),c2p_width @@ -102,138 +306,7 @@ movel c2p_source,a0 movel c2p_dest,a1 - lea _Atari_table_c2p,a2 - movel #0x000f0001,d3 -#if defined(__M68020__) - moveq #0,d0 -#endif - - movel c2p_height,d7 - subql #1,d7 -c2p8_bcly: - movel a0,a4 | Save start address of source - movel a1,a5 | Save start address of dest - - | Conversion - - movel c2p_width,d6 - lsrw #4,d6 - subql #1,d6 -c2p8_bclx: - | Octets 0-7 - - moveq #0,d1 - moveq #0,d2 - moveq #7,d5 -c2p8_bcl07: -#if defined(__M68020__) - moveb a0@+,d0 - lea a2@(0,d0:w:8),a3 -#else - moveq #0,d0 - moveb a0@+,d0 - lslw #3,d0 - lea a2@(0,d0:w),a3 -#endif - lsll #1,d1 - lsll #1,d2 - orl a3@+,d1 - orl a3@,d2 - dbra d5,c2p8_bcl07 - - movepl d1,a1@(0) - movepl d2,a1@(8) - addw d3,a1 - swap d3 - - | Octets 8-15 - - moveq #0,d1 - moveq #0,d2 - moveq #7,d5 -c2p8_bcl815: -#if defined(__M68020__) - moveb a0@+,d0 - lea a2@(0,d0:w:8),a3 -#else - moveq #0,d0 - moveb a0@+,d0 - lslw #3,d0 - lea a2@(0,d0:w),a3 -#endif - lsll #1,d1 - lsll #1,d2 - orl a3@+,d1 - orl a3@,d2 - dbra d5,c2p8_bcl815 - - movepl d1,a1@(0) - movepl d2,a1@(8) - addw d3,a1 - swap d3 - - dbra d6,c2p8_bclx - - | Double line ? - - tstl c2p_dblligne - beq c2p8_nodblligne - - movel a5,a6 | src line - movel a5,a1 | dest line - addl c2p_dstpitch,a1 - - movel c2p_width,d6 - lsrw #2,d6 - subql #1,d6 -c2p8_copydbl: - movel a6@+,a1@+ - dbra d6,c2p8_copydbl - - addl c2p_dstpitch,a5 -c2p8_nodblligne: - - | Next line - - movel a4,a0 - addl c2p_srcpitch,a0 - movel a5,a1 - addl c2p_dstpitch,a1 - - dbra d7,c2p8_bcly - - moveml sp@+,d2-d7/a2-a6 - rts - -/* ------------ Init table C2P, 4 bits ------------ */ - - .globl _Atari_C2pInit4 - - .text -_Atari_C2pInit4: - /* Nothing to do */ - /* work is done in convert_c2p_pal */ - rts - -/* ------------ Conversion C2P, 4 bits ------------ */ - - .globl _Atari_C2pConvert4 - - .text -_Atari_C2pConvert4: - movel sp@(4),c2p_source - movel sp@(8),c2p_dest - movel sp@(12),c2p_width - movel sp@(16),c2p_height - movel sp@(20),c2p_dblligne - movel sp@(24),c2p_srcpitch - movel sp@(28),c2p_dstpitch - - moveml d2-d7/a2-a6,sp@- - - movel c2p_source,a0 - movel c2p_dest,a1 - lea _Atari_table_c2p,a2 + lea _SDL_Atari_table_c2p,a2 movel #0x00070001,d3 #if defined(__M68020__) moveq #0,d0 @@ -328,18 +401,15 @@ moveml sp@+,d2-d7/a2-a6 rts -* ------------ Conversion of a light palette in 4 bits ------------ */ +/* ------------ Conversion of a light palette in 4 bits ------------ */ - .globl _Atari_C2pConvert4_pal - - .text -_Atari_C2pConvert4_pal: +_SDL_Atari_C2pConvert4_pal: /* a0 is a 256-word light palette */ movel sp@(4),a0 moveml d2-d3,sp@- - lea _Atari_table_c2p,a1 + lea _SDL_Atari_table_c2p,a1 movew #255,d3 c2p_pal_initbcl: movew a0@+,d0 @@ -367,11 +437,17 @@ .data .even - .comm c2p_source,4 - .comm c2p_dest,4 - .comm c2p_width,4 - .comm c2p_height,4 - .comm c2p_dblligne,4 - .comm c2p_srcpitch,4 - .comm c2p_dstpitch,4 + .comm _SDL_Atari_C2pConvert,4 + .comm _SDL_Atari_table_c2p,2048 + .comm c2p_source,4 /* Source framebuffer */ + .comm c2p_dest,4 /* Destination framebuffer */ + .comm c2p_width,4 /* Width of zone to convert */ + .comm c2p_height,4 /* Height of zone to convert */ + .comm c2p_dblligne,4 /* Double the lines while converting ? */ + .comm c2p_srcpitch,4 /* Source pitch */ + .comm c2p_dstpitch,4 /* Destination pitch */ + .comm c2p_cursrc,4 /* Current source line */ + .comm c2p_curdst,4 /* Current destination line */ + .comm c2p_rowlen,2 /* Line length in bytes */ + .comm c2p_row,2 /* Current line number */
--- a/src/video/ataricommon/SDL_ataric2p060.c Wed Nov 05 23:11:05 2003 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,203 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -#ifdef SAVE_RCSID -static char rcsid = - "@(#) $Id$"; -#endif - -/* - * Chunky to planar conversion routine - * for 68060 CPU, without movep instruction - * 1 byte/pixel -> 4 or 8 bit planes - * - * Patrice Mandin - */ - -#include <string.h> - -#include <mint/cookie.h> - -#include "SDL_ataric2p_s.h" - -/*--- Variables ---*/ - -/* CPU is 060 ? */ -int atari_cpu060_avail; - -/*--- Functions ---*/ - -void atari_test_cpu060_present(void) -{ - unsigned long cookie_cpu; - - atari_cpu060_avail=0; - - /* Cookie _CPU present ? */ - if (Getcookie(C__CPU, &cookie_cpu) == C_FOUND) { - atari_cpu060_avail = (cookie_cpu == 60); - } -} - -void Atari_C2pConvert8_060( - Uint8 *src, /* Source screen (one byte=one pixel) */ - Uint8 *dest, /* Destination (8 bits planes) */ - Uint32 width, /* Dimensions of screen to convert */ - Uint32 height, - Uint32 dblligne, /* Double the lines when converting ? */ - Uint32 srcpitch, /* Length of one source line in bytes */ - Uint32 dstpitch /* Length of one destination line in bytes */ -) -{ - int x,y,z; - Uint8 *src_line, *dst_line; - - for (y=0; y<height; y++) { - src_line = src; - dst_line = dest; - - for (x=0; x<(width>>4); x++) { - Uint32 somme1, somme2; - Uint32 *convtable; - - /* bytes 0-7 */ - somme1 = somme2 = 0; - for (z=0; z<8 ;z++) { - convtable = (Uint32 *) &Atari_table_c2p[(*src_line++)<<3]; - somme1 <<= 1; - somme2 <<= 1; - somme1 |= *convtable++; - somme2 |= *convtable; - } - - *(dst_line+14) = somme2; /* 000000FF */ - *(dst_line+6) = somme1; /* 000000FF */ - somme2 >>= 8; - somme1 >>= 8; - *(dst_line+12) = somme2; /* 0000FF00 */ - *(dst_line+4) = somme1; /* 0000FF00 */ - somme2 >>= 8; - somme1 >>= 8; - *(dst_line+10) = somme2; /* 00FF0000 */ - *(dst_line+2) = somme1; /* 00FF0000 */ - somme2 >>= 8; - somme1 >>= 8; - *(dst_line+8) = somme2; /* FF000000 */ - *dst_line++ = somme1; /* FF000000 */ - - /* bytes 8-15 */ - somme1 = somme2 = 0; - for (z=0; z<8 ;z++) { - convtable = (Uint32 *) &Atari_table_c2p[(*src_line++)<<3]; - somme1 <<= 1; - somme2 <<= 1; - somme1 |= *convtable++; - somme2 |= *convtable; - } - - *(dst_line+14) = somme2; /* 000000FF */ - *(dst_line+6) = somme1; /* 000000FF */ - somme2 >>= 8; - somme1 >>= 8; - *(dst_line+12) = somme2; /* 0000FF00 */ - *(dst_line+4) = somme1; /* 0000FF00 */ - somme2 >>= 8; - somme1 >>= 8; - *(dst_line+10) = somme2; /* 00FF0000 */ - *(dst_line+2) = somme1; /* 00FF0000 */ - somme2 >>= 8; - somme1 >>= 8; - *(dst_line+8) = somme2; /* FF000000 */ - *dst_line = somme1; /* FF000000 */ - - dst_line += 15; - } - - if (dblligne) { - memcpy(dest+dstpitch, dest, width); - dest += dstpitch; - } - - src += srcpitch; - dest += dstpitch; - } -} - -void Atari_C2pConvert4_060( - Uint8 *src, /* Source screen (one byte=one pixel) */ - Uint8 *dest, /* Destination (4 bits planes) */ - Uint32 width, /* Dimensions of screen to convert */ - Uint32 height, - Uint32 dblligne, /* Double the lines when converting ? */ - Uint32 srcpitch, /* Length of one source line in bytes */ - Uint32 dstpitch /* Length of one destination line in bytes */ -) -{ - int x,y,z; - Uint8 *src_line, *dst_line; - - for (y=0;y<height;y++) { - src_line = src; - dst_line = dest; - - for (x=0; x<(width>>4);x++) { - Uint32 somme; - Uint32 *convtable; - - /* bytes 0-7 */ - somme=0; - for (z=0; z<8 ; z++) { - convtable = (Uint32 *) &Atari_table_c2p[(*src_line++)<<2]; - somme <<= 1; - somme |= *convtable; - } - - *(dst_line+6) = somme; somme >>= 8; /* 000000FF */ - *(dst_line+4) = somme; somme >>= 8; /* 0000FF00 */ - *(dst_line+2) = somme; somme >>= 8; /* 00FF0000 */ - *dst_line++ = somme; /* FF000000 */ - - /* bytes 8-15 */ - somme = 0; - for (z=0; z<8 ;z++) { - convtable = (Uint32 *) &Atari_table_c2p[(*src_line++)<<2]; - somme <<= 1; - somme |= *convtable; - } - - *(dst_line+6) = somme; somme >>= 8; /* 000000FF */ - *(dst_line+4) = somme; somme >>= 8; /* 0000FF00 */ - *(dst_line+2) = somme; somme >>= 8; /* 00FF0000 */ - *dst_line = somme; /* FF000000 */ - - dst_line += 7; - } - - if (dblligne) { - memcpy(dest+dstpitch, dest, width>>1); - dest += dstpitch; - } - - src += srcpitch; - dest += dstpitch; - } -}
--- a/src/video/ataricommon/SDL_ataric2p060_c.h Wed Nov 05 23:11:05 2003 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,67 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -#ifdef SAVE_RCSID -static char rcsid = - "@(#) $Id$"; -#endif - -/* - * Chunky to planar conversion routine - * for 68060 CPU, without movep instruction - * 1 byte/pixel -> 4 or 8 bit planes - * - * Patrice Mandin - */ - -#ifndef _SDL_ATARI_C2P060_H_ -#define _SDL_ATARI_C2P060_H_ - -/*--- Variables ---*/ - -extern int atari_cpu060_avail; - -/*--- Functions ---*/ - -extern void atari_test_cpu060_present(void); - -extern void Atari_C2pConvert8_060( - Uint8 *src, /* Source screen (one byte=one pixel) */ - Uint8 *dest, /* Destination (8 bits planes) */ - Uint32 width, /* Dimensions of screen to convert */ - Uint32 height, - Uint32 dblligne, /* Double the lines when converting ? */ - Uint32 srcpitch, /* Length of one source line in bytes */ - Uint32 dstpitch /* Length of one destination line in bytes */ -); - -extern void Atari_C2pConvert4_060( - Uint8 *src, /* Source screen (one byte=one pixel) */ - Uint8 *dest, /* Destination (4 bits planes) */ - Uint32 width, /* Dimensions of screen to convert */ - Uint32 height, - Uint32 dblligne, /* Double the lines when converting ? */ - Uint32 srcpitch, /* Length of one source line in bytes */ - Uint32 dstpitch /* Length of one destination line in bytes */ -); - -#endif /* _SDL_ATARI_C2P060_H_ */
--- a/src/video/ataricommon/SDL_ataric2p_s.h Wed Nov 05 23:11:05 2003 +0000 +++ b/src/video/ataricommon/SDL_ataric2p_s.h Wed Nov 12 18:45:48 2003 +0000 @@ -32,17 +32,13 @@ /*--- Variables ---*/ -extern Uint8 Atari_table_c2p[2048]; /* Used by conversions routines */ +extern Uint8 SDL_Atari_table_c2p[2048]; /* Used by conversions routines */ /*--- Functions pointers ---*/ -/* Initialize conversion table */ - -extern void (*Atari_C2pInit)(void); - /* Convert a chunky screen to bitplane screen */ -extern void (*Atari_C2pConvert)( +extern void (*SDL_Atari_C2pConvert)( Uint8 *src, /* Source screen (one byte=one pixel) */ Uint8 *dest, /* Destination (4/8 bits planes) */ Uint32 width, /* Dimensions of screen to convert */ @@ -54,13 +50,9 @@ /*--- 8 bits functions ---*/ -/* Initialize conversion table */ - -void Atari_C2pInit8(void); - /* Convert a chunky screen to bitplane screen */ -void Atari_C2pConvert8( +void SDL_Atari_C2pConvert8( Uint8 *src, /* Source screen (one byte=one pixel) */ Uint8 *dest, /* Destination (8 bits planes) */ Uint32 width, /* Dimensions of screen to convert */ @@ -72,13 +64,9 @@ /*--- 4 bits functions ---*/ -/* Initialize conversion table */ - -void Atari_C2pInit4(void); - /* Convert a chunky screen to bitplane screen */ -void Atari_C2pConvert4( +void SDL_Atari_C2pConvert4( Uint8 *src, /* Source screen (one byte=one pixel) */ Uint8 *dest, /* Destination (4 bits planes) */ Uint32 width, /* Dimensions of screen to convert */ @@ -90,6 +78,6 @@ /* Conversion palette */ -void Atari_C2pConvert4_pal(Uint16 *lightpalette); +void SDL_Atari_C2pConvert4_pal(Uint16 *lightpalette); #endif /* _ATARI_C2P_h */