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annotate src/hermes/mmx_main.asm @ 1768:814f9f2c7a33

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Fixed bug #80 Date: 21 Apr 2003 17:20:20 +0100 From: Alan Swanson <swanson@uklinux.net> Subject: [SDL] New XFree 4.3 Video Mode Patch If you look at the unsorted list of modes returned by X, here's mine; 1280 x 1024 @ 85.0 > 1024 x 768 @ 100.3 > USER 800 x 600 @ 125.5 > SET 640 x 480 @ 124.9 > 1280 x 1024 @ 75.0 ] 1280 x 1024 @ 60.0 ] 1280 x 960 @ 85.0 ] X11 1280 x 960 @ 60.0 ] AUTO 1152 x 864 @ 75.0 ]=20 1152 x 768 @ 54.8 ] 960 x 720 @ 120.0 ] ... 640 x 400 @ 85.1 ] 256k 576 x 432 @ 150.0 ] 249k PIXEL 640 x 350 @ 85.1 ] 224k COUNT 576 x 384 @ 109.6 ] 221k ... The user set modes come first followed by X set modes which are ordered by decreasing number of pixels and refresh. The reason why every other library or program not using SDL working is due to SDL scanning the modes in reverse getting X11 provided modes modes with the lowest refresh.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 05 May 2006 05:50:26 +0000
parents 2d6dc7de1145
children 393092a3ebf6
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1 ;
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2 ; mmx format converter main loops for HERMES
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3 ; Some routines Copyright (c) 1998 Christian Nentwich (c.nentwich@cs.ucl.ac.uk)
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4 ; This source code is licensed under the GNU LGPL
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5 ;
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6 ; Please refer to the file COPYING.LIB contained in the distribution for
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7 ; licensing conditions
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8 ;
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9
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10 BITS 32
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11
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12 GLOBAL _ConvertMMX
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13 GLOBAL _mmxreturn
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14
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15 SECTION .text
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16
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17 ;; _ConvertMMX:
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18 ;; [ESP+8] ConverterInfo*
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19 ;; --------------------------------------------------------------------------
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20 ;; ConverterInfo (ebp+..)
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21 ;; 0: void *s_pixels
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22 ;; 4: int s_width
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23 ;; 8: int s_height
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24 ;; 12: int s_add
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25 ;; 16: void *d_pixels
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26 ;; 20: int d_width
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27 ;; 24: int d_height
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28 ;; 28: int d_add
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29 ;; 32: void (*converter_function)()
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30 ;; 36: int32 *lookup
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31
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32 _ConvertMMX:
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33 push ebp
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34 mov ebp,esp
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35
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36 ; Save the registers used by the blitters, necessary for optimized code
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37 pusha
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38
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39 mov eax,[ebp+8]
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40
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41 cmp dword [eax+4],BYTE 0
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42 je endconvert
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43
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44 mov ebp,eax
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45
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46 mov esi,[ebp+0]
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47 mov edi,[ebp+16]
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48
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49 y_loop:
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50 mov ecx,[ebp+4]
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51
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52 jmp [ebp+32]
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53
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54 _mmxreturn:
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55 add esi,[ebp+12]
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56 add edi,[ebp+28]
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57
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58 dec dword [ebp+8]
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59 jnz y_loop
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60
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61
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62 ; Restore the registers used by the blitters, necessary for optimized code
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63 popa
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64
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65 pop ebp
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66
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67 endconvert:
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68 emms
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69
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70 ret
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71
1199
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72 %ifidn __OUTPUT_FORMAT__,elf
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73 section .note.GNU-stack noalloc noexec nowrite progbits
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74 %endif