view src/hermes/x86_main.asm @ 4391:07b330419439 SDL-1.2

Fixed bug #849 some more: Tim Angus 2009-11-26 14:41:04 PST Fix to the cursor not being responsive when the app doesn't have SDL_APPINPUTFOCUS The problems with the directx driver are similar to the ones I introduced in the windib driver with r4478. Basically if the application did not have focus, the mouse position is not updated. It's not really that the mouse cursor was invisible, it's that it is stuck underneath another window where you can't see it. This behaviour predates my r4478 changes and is the reason I unwittingly broke the windib driver as I had been replicating the way the directx driver deals with focus. Prior to r4478 the directx driver could not be used in windowed mode, so the broken focusing would not have actually been observable. Anyway, the attached patch makes the directx driver behaves like the windib driver in terms of focus. Time for 1.2.15? ;) I've added an additional change of moving the calls to WIN_GrabInput that are made on WM_ACTIVATE messages so that they only occur when the state is SDL_APPINPUTFOCUS. When a fullscreen application is minimised using alt-tab, it still receives WM_ACTIVATE messages when other applications are selected. If WIN_GrabInput is called when the SDL application doesn't have input focus, bad things happen; it shouldn't be being called at all. I've also added a line to make sure that SDL_APPMOUSEFOCUS state is dropped when the application is minimised following an alt-tab.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 11 Dec 2009 15:24:53 +0000
parents 540466e900db
children
line wrap: on
line source

;
; x86 format converters for HERMES
; Some routines Copyright (c) 1998 Christian Nentwich (brn@eleet.mcb.at)
; This source code is licensed under the GNU LGPL
; 
; Please refer to the file COPYING.LIB contained in the distribution for
; licensing conditions		
;
; Most routines are (c) Glenn Fiedler (ptc@gaffer.org), used with permission
; 

BITS 32

%include "common.inc"

SDL_FUNC _ConvertX86

SECTION .text
		
;; _ConvertX86:	 
;; [ESP+8] ConverterInfo*
;; --------------------------------------------------------------------------
;; ConverterInfo (ebp+..)
;;   0:	void *s_pixels
;;   4:	int s_width
;;   8:	int s_height
;;  12:	int s_add
;;  16:	void *d_pixels
;;  20:	int d_width
;;  24:	int d_height
;;  28:	int d_add
;;  32:	void (*converter_function)() 
;;  36: int32 *lookup
	
_ConvertX86:
	push ebp
	mov ebp,esp

; Save the registers used by the blitters, necessary for optimized code
	pusha

	mov eax,[ebp+8]

        cmp dword [eax+4],BYTE 0
	je endconvert
	
	mov ebp,eax
	
	mov esi,[ebp+0]
	mov edi,[ebp+16]
	
y_loop:	
	mov ecx,[ebp+4]

	call [ebp+32]

	add esi,[ebp+12]
	add edi,[ebp+28]
	
	dec dword  [ebp+8]
	jnz y_loop

; Restore the registers used by the blitters, necessary for optimized code
	popa
	
	pop ebp

endconvert:	
	ret		



%ifidn __OUTPUT_FORMAT__,elf
section .note.GNU-stack noalloc noexec nowrite progbits
%endif