;****************************************************************************
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;** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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;** Contact: Nokia Corporation (qt-info@nokia.com)
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;
;  W A R N I N G
;  -------------
;
; This file is not part of the Qt API.  It exists purely as an
; implementation detail.  This header file may change from version to
; version without notice, or even be removed.
;
; We mean it.
;

		ARM
		PRESERVE8

		INCLUDE		qdrawhelper_armv6_rvct.inc

;-----------------------------------------------------------------------------
; qt_memfill32_armv6
;
; @brief Not yet in use!
;
; @param dest			Destination	buffer						(r0)
; @param value			Value									(r1)
; @param count			Count									(r2)
;
;---------------------------------------------------------------------------
qt_memfill32_armv6 Function
		stmfd	sp!, {r4-r12, r14}

		mov		r3, r1
		mov		r4, r1
		mov		r5, r1
		mov		r6, r1
		mov		r7, r1
		mov		r8, r1
		mov		r9, r1

mfill_loop
		; Fill 32 pixels per loop iteration
		subs	r2, r2, #32
		stmgeia	r0!, {r1, r3, r4, r5, r6, r7, r8, r9}
		stmgeia	r0!, {r1, r3, r4, r5, r6, r7, r8, r9}
		stmgeia	r0!, {r1, r3, r4, r5, r6, r7, r8, r9}
		stmgeia	r0!, {r1, r3, r4, r5, r6, r7, r8, r9}
		bgt		mfill_loop

mfill_remaining

		; Fill up to 31 remaining pixels

		; Fill 16 pixels
		tst		r2, #16
		stmneia	r0!, {r1, r3, r4, r5, r6, r7, r8, r9}
		stmneia	r0!, {r1, r3, r4, r5, r6, r7, r8, r9}

		; Fill 8 pixels
		tst		r2, #8
		stmneia	r0!, {r1, r3, r4, r5, r6, r7, r8, r9}

		; Fill 4 pixels
		tst		r2, #4
		stmneia	r0!, {r1, r3, r4, r5}

		; Fill 2 pixels
		tst		r2, #2
		stmneia	r0!, {r1, r3}

		; Fill last one
		tst		r2, #1
		strne 	r1, [r0]

		ldmfd	sp!, {r4-r12, pc}		; pop and return

;-----------------------------------------------------------------------------
; comp_func_Source_arm
;
; @brief
;
; @param dest			Destination	buffer						(r0)
; @param src			Source buffer							(r1)
; @param length			Length									(r2)
; @param const_alpha	Constant alpha							(r3)
;
;---------------------------------------------------------------------------
comp_func_Source_armv6 Function
		stmfd	sp!, {r4-r12, r14}

		cmp		r3, #255 ; if(r3 == 255)
		bne		src2 ; branch if not

src1	PixCpy	r0, r1, r2

		ldmfd	sp!, {r4-r12, pc}		; pop and return

src2
		;ldr		r14, =ComponentHalf ; load 0x800080 to r14
		mov		r14, #0x800000
		add		r14, r14, #0x80

src22   BlendRow PixelSourceConstAlpha

		ldmfd	sp!, {r4-r12, pc}		; pop and return

;-----------------------------------------------------------------------------
; comp_func_SourceOver_arm
;
; @brief
;
; @param dest			Destination	buffer						(r0)
; @param src			Source buffer							(r1)
; @param length			Length									(r2)
; @param const_alpha	Constant alpha							(r3)
;
;---------------------------------------------------------------------------
comp_func_SourceOver_armv6 Function
		stmfd	sp!, {r4-r12, r14}

		;ldr		r14, =ComponentHalf ; load 0x800080 to r14
		mov		r14, #0x800000
		add		r14, r14, #0x80

		cmp		r3, #255 ; if(r3 == 255)
		bne		srcovr2 ; branch if not

srcovr1	 BlendRow PixelSourceOver

		ldmfd	sp!, {r4-r12, pc}		; pop and return

srcovr2

srcovr22  BlendRow PixelSourceOverConstAlpha

		ldmfd	sp!, {r4-r12, pc}		; pop and return


		END	; File end
