Mercurial > sdl-ios-xcode
annotate src/hermes/mmx_main.asm @ 1879:cb232e63552c
Default the X11 dynamically loading on if the OS loader loads libraries
with their private symbols hidden. If that isn't the case, and someone
tries to enable it anyway, spit out a warning and don't let them do it.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 23 Jun 2006 08:39:05 +0000 |
| parents | eb4d9d99849b |
| children | 180fa05e98e2 |
| rev | line source |
|---|---|
| 0 | 1 ; |
| 2 ; mmx format converter main loops for HERMES | |
| 3 ; Some routines Copyright (c) 1998 Christian Nentwich (c.nentwich@cs.ucl.ac.uk) | |
| 4 ; This source code is licensed under the GNU LGPL | |
| 5 ; | |
| 6 ; Please refer to the file COPYING.LIB contained in the distribution for | |
| 7 ; licensing conditions | |
| 8 ; | |
| 9 | |
| 10 BITS 32 | |
| 11 | |
|
1873
eb4d9d99849b
Renamed, per Mike's comment on bug #157
Sam Lantinga <slouken@libsdl.org>
parents:
1871
diff
changeset
|
12 %include "common.inc" |
| 1871 | 13 |
| 14 SDL_FUNC _ConvertMMX | |
| 15 SDL_FUNC _mmxreturn | |
| 0 | 16 |
| 17 SECTION .text | |
| 18 | |
| 19 ;; _ConvertMMX: | |
| 20 ;; [ESP+8] ConverterInfo* | |
| 21 ;; -------------------------------------------------------------------------- | |
| 22 ;; ConverterInfo (ebp+..) | |
| 23 ;; 0: void *s_pixels | |
| 24 ;; 4: int s_width | |
| 25 ;; 8: int s_height | |
| 26 ;; 12: int s_add | |
| 27 ;; 16: void *d_pixels | |
| 28 ;; 20: int d_width | |
| 29 ;; 24: int d_height | |
| 30 ;; 28: int d_add | |
| 31 ;; 32: void (*converter_function)() | |
| 32 ;; 36: int32 *lookup | |
| 33 | |
| 34 _ConvertMMX: | |
| 35 push ebp | |
| 36 mov ebp,esp | |
| 37 | |
| 38 ; Save the registers used by the blitters, necessary for optimized code | |
| 39 pusha | |
| 40 | |
| 41 mov eax,[ebp+8] | |
| 42 | |
| 43 cmp dword [eax+4],BYTE 0 | |
| 44 je endconvert | |
| 45 | |
| 46 mov ebp,eax | |
| 47 | |
| 48 mov esi,[ebp+0] | |
| 49 mov edi,[ebp+16] | |
| 50 | |
| 51 y_loop: | |
| 52 mov ecx,[ebp+4] | |
| 53 | |
| 54 jmp [ebp+32] | |
| 55 | |
| 56 _mmxreturn: | |
| 57 add esi,[ebp+12] | |
| 58 add edi,[ebp+28] | |
| 59 | |
| 60 dec dword [ebp+8] | |
| 61 jnz y_loop | |
| 62 | |
| 63 | |
| 64 ; Restore the registers used by the blitters, necessary for optimized code | |
| 65 popa | |
| 66 | |
| 67 pop ebp | |
| 68 | |
| 69 endconvert: | |
| 70 emms | |
| 71 | |
| 72 ret | |
| 73 | |
|
1199
2d6dc7de1145
From: Mike Frysinger <vapier@gentoo.org>
Ryan C. Gordon <icculus@icculus.org>
parents:
1166
diff
changeset
|
74 %ifidn __OUTPUT_FORMAT__,elf |
|
2d6dc7de1145
From: Mike Frysinger <vapier@gentoo.org>
Ryan C. Gordon <icculus@icculus.org>
parents:
1166
diff
changeset
|
75 section .note.GNU-stack noalloc noexec nowrite progbits |
|
2d6dc7de1145
From: Mike Frysinger <vapier@gentoo.org>
Ryan C. Gordon <icculus@icculus.org>
parents:
1166
diff
changeset
|
76 %endif |