Mercurial > sdl-ios-xcode
view src/hermes/x86p_16.asm @ 779:68c8da837fc0
Date: Tue, 6 Jan 2004 21:54:02 +0100
From: Max Horn
Subject: Auto hide mouse & other changes
the attached bug adds the auto-hide-mouse feature I talked about
earlier. Turned out it was a lot simpler than I thought, simply by
using our existing code :-). I actually spent much more time on fixing
various bugs in the code and correcting (IMO) some behavior (although,
due to the lack of real specs for SDL, it's probably arguable what
'correct' means...).
* adds auto (un)hiding of mouse depending on whether it is in- or
outside the game window
* computation of course coordinates is correct now (it often and
reproducible got out of sync with the old code, since the NSEvent
window was in some cases *not* our window anymore, so locationInWindow
returned wrong results)
* added a method which at any time returns the mouse coords, relative
to our window
* fixed handling of lost/gain input/mouse/app focus "events"
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Wed, 07 Jan 2004 15:01:51 +0000 |
parents | 74212992fb08 |
children | da33b7e6d181 |
line wrap: on
line source
; ; x86 format converters for HERMES ; Copyright (c) 1998 Glenn Fielder (gaffer@gaffer.org) ; This source code is licensed under the GNU LGPL ; ; Please refer to the file COPYING.LIB contained in the distribution for ; licensing conditions ; ; Routines adjusted for Hermes by Christian Nentwich (brn@eleet.mcb.at) ; Used with permission. ; BITS 32 GLOBAL _ConvertX86p16_32RGB888 GLOBAL _ConvertX86p16_32BGR888 GLOBAL _ConvertX86p16_32RGBA888 GLOBAL _ConvertX86p16_32BGRA888 GLOBAL _ConvertX86p16_24RGB888 GLOBAL _ConvertX86p16_24BGR888 GLOBAL _ConvertX86p16_16BGR565 GLOBAL _ConvertX86p16_16RGB555 GLOBAL _ConvertX86p16_16BGR555 GLOBAL _ConvertX86p16_8RGB332 EXTERN _ConvertX86 EXTERN _x86return SECTION .text _ConvertX86p16_16BGR565: ; check short cmp ecx,BYTE 16 ja .L3 .L1 ; short loop mov al,[esi] mov ah,[esi+1] mov ebx,eax mov edx,eax shr eax,11 and eax,BYTE 11111b and ebx,11111100000b shl edx,11 add eax,ebx add eax,edx mov [edi],al mov [edi+1],ah add esi,BYTE 2 add edi,BYTE 2 dec ecx jnz .L1 .L2 jmp _x86return .L3 ; head mov eax,edi and eax,BYTE 11b jz .L4 mov al,[esi] mov ah,[esi+1] mov ebx,eax mov edx,eax shr eax,11 and eax,BYTE 11111b and ebx,11111100000b shl edx,11 add eax,ebx add eax,edx mov [edi],al mov [edi+1],ah add esi,BYTE 2 add edi,BYTE 2 dec ecx .L4 ; save count push ecx ; unroll twice shr ecx,1 ; point arrays to end lea esi,[esi+ecx*4] lea edi,[edi+ecx*4] ; negative counter neg ecx jmp SHORT .L6 .L5 mov [edi+ecx*4-4],eax .L6 mov eax,[esi+ecx*4] mov ebx,[esi+ecx*4] and eax,07E007E0h mov edx,[esi+ecx*4] and ebx,0F800F800h shr ebx,11 and edx,001F001Fh shl edx,11 add eax,ebx add eax,edx inc ecx jnz .L5 mov [edi+ecx*4-4],eax ; tail pop ecx and ecx,BYTE 1 jz .L7 mov al,[esi] mov ah,[esi+1] mov ebx,eax mov edx,eax shr eax,11 and eax,BYTE 11111b and ebx,11111100000b shl edx,11 add eax,ebx add eax,edx mov [edi],al mov [edi+1],ah add esi,BYTE 2 add edi,BYTE 2 .L7 jmp _x86return _ConvertX86p16_16RGB555: ; check short cmp ecx,BYTE 32 ja .L3 .L1 ; short loop mov al,[esi] mov ah,[esi+1] mov ebx,eax shr ebx,1 and ebx, 0111111111100000b and eax,BYTE 0000000000011111b add eax,ebx mov [edi],al mov [edi+1],ah add esi,BYTE 2 add edi,BYTE 2 dec ecx jnz .L1 .L2 jmp _x86return .L3 ; head mov eax,edi and eax,BYTE 11b jz .L4 mov al,[esi] mov ah,[esi+1] mov ebx,eax shr ebx,1 and ebx, 0111111111100000b and eax,BYTE 0000000000011111b add eax,ebx mov [edi],al mov [edi+1],ah add esi,BYTE 2 add edi,BYTE 2 dec ecx .L4 ; save ebp push ebp ; save count push ecx ; unroll four times shr ecx,2 ; point arrays to end lea esi,[esi+ecx*8] lea edi,[edi+ecx*8] ; negative counter xor ebp,ebp sub ebp,ecx .L5 mov eax,[esi+ebp*8] ; agi? mov ecx,[esi+ebp*8+4] mov ebx,eax mov edx,ecx and eax,0FFC0FFC0h and ecx,0FFC0FFC0h shr eax,1 and ebx,001F001Fh shr ecx,1 and edx,001F001Fh add eax,ebx add ecx,edx mov [edi+ebp*8],eax mov [edi+ebp*8+4],ecx inc ebp jnz .L5 ; tail pop ecx .L6 and ecx,BYTE 11b jz .L7 mov al,[esi] mov ah,[esi+1] mov ebx,eax shr ebx,1 and ebx, 0111111111100000b and eax,BYTE 0000000000011111b add eax,ebx mov [edi],al mov [edi+1],ah add esi,BYTE 2 add edi,BYTE 2 dec ecx jmp SHORT .L6 .L7 pop ebp jmp _x86return _ConvertX86p16_16BGR555: ; check short cmp ecx,BYTE 16 ja .L3 .L1 ; short loop mov al,[esi] mov ah,[esi+1] mov ebx,eax mov edx,eax shr eax,11 and eax,BYTE 11111b shr ebx,1 and ebx,1111100000b shl edx,10 and edx,0111110000000000b add eax,ebx add eax,edx mov [edi],al mov [edi+1],ah add esi,BYTE 2 add edi,BYTE 2 dec ecx jnz .L1 .L2 jmp _x86return .L3 ; head mov eax,edi and eax,BYTE 11b jz .L4 mov al,[esi] mov ah,[esi+1] mov ebx,eax mov edx,eax shr eax,11 and eax,BYTE 11111b shr ebx,1 and ebx,1111100000b shl edx,10 and edx,0111110000000000b add eax,ebx add eax,edx mov [edi],al mov [edi+1],ah add esi,BYTE 2 add edi,BYTE 2 dec ecx .L4 ; save count push ecx ; unroll twice shr ecx,1 ; point arrays to end lea esi,[esi+ecx*4] lea edi,[edi+ecx*4] ; negative counter neg ecx jmp SHORT .L6 .L5 mov [edi+ecx*4-4],eax .L6 mov eax,[esi+ecx*4] shr eax,1 mov ebx,[esi+ecx*4] and eax,03E003E0h mov edx,[esi+ecx*4] and ebx,0F800F800h shr ebx,11 and edx,001F001Fh shl edx,10 add eax,ebx add eax,edx inc ecx jnz .L5 mov [edi+ecx*4-4],eax ; tail pop ecx and ecx,BYTE 1 jz .L7 mov al,[esi] mov ah,[esi+1] mov ebx,eax mov edx,eax shr eax,11 and eax,BYTE 11111b shr ebx,1 and ebx,1111100000b shl edx,10 and edx,0111110000000000b add eax,ebx add eax,edx mov [edi],al mov [edi+1],ah add esi,BYTE 2 add edi,BYTE 2 .L7 jmp _x86return _ConvertX86p16_8RGB332: ; check short cmp ecx,BYTE 16 ja .L3 .L1 ; short loop mov al,[esi+0] mov ah,[esi+1] mov ebx,eax mov edx,eax and eax,BYTE 11000b ; blue shr eax,3 and ebx,11100000000b ; green shr ebx,6 and edx,1110000000000000b ; red shr edx,8 add eax,ebx add eax,edx mov [edi],al add esi,BYTE 2 inc edi dec ecx jnz .L1 .L2 jmp _x86return .L3 mov eax,edi and eax,BYTE 11b jz .L4 mov al,[esi+0] mov ah,[esi+1] mov ebx,eax mov edx,eax and eax,BYTE 11000b ; blue shr eax,3 and ebx,11100000000b ; green shr ebx,6 and edx,1110000000000000b ; red shr edx,8 add eax,ebx add eax,edx mov [edi],al add esi,BYTE 2 inc edi dec ecx jmp SHORT .L3 .L4 ; save ebp push ebp ; save count push ecx ; unroll 4 times shr ecx,2 ; prestep mov dl,[esi+0] mov bl,[esi+1] mov dh,[esi+2] .L5 shl edx,16 mov bh,[esi+3] shl ebx,16 mov dl,[esi+4] mov dh,[esi+6] mov bl,[esi+5] and edx,00011000000110000001100000011000b mov bh,[esi+7] ror edx,16+3 mov eax,ebx ; setup eax for reds and ebx,00000111000001110000011100000111b and eax,11100000111000001110000011100000b ; reds ror ebx,16-2 add esi,BYTE 8 ror eax,16 add edi,BYTE 4 add eax,ebx mov bl,[esi+1] ; greens add eax,edx mov dl,[esi+0] ; blues mov [edi-4],eax mov dh,[esi+2] dec ecx jnz .L5 ; check tail pop ecx and ecx,BYTE 11b jz .L7 .L6 ; tail mov al,[esi+0] mov ah,[esi+1] mov ebx,eax mov edx,eax and eax,BYTE 11000b ; blue shr eax,3 and ebx,11100000000b ; green shr ebx,6 and edx,1110000000000000b ; red shr edx,8 add eax,ebx add eax,edx mov [edi],al add esi,BYTE 2 inc edi dec ecx jnz .L6 .L7 pop ebp jmp _x86return