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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