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-;****************************************************************************
-;**
-;** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-;** All rights reserved.
-;** Contact: Nokia Corporation (qt-info@nokia.com)
-;**
-;** This file is part of the QtGui module of the Qt Toolkit.
-;**
-;** $QT_BEGIN_LICENSE:LGPL$
-;** No Commercial Usage
-;** This file contains pre-release code and may not be distributed.
-;** You may use this file in accordance with the terms and conditions
-;** contained in the Technology Preview License Agreement accompanying
-;** this package.
-;**
-;** GNU Lesser General Public License Usage
-;** Alternatively, this file may be used under the terms of the GNU Lesser
-;** General Public License version 2.1 as published by the Free Software
-;** Foundation and appearing in the file LICENSE.LGPL included in the
-;** packaging of this file. Please review the following information to
-;** ensure the GNU Lesser General Public License version 2.1 requirements
-;** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-;**
-;** In addition, as a special exception, Nokia gives you certain additional
-;** rights. These rights are described in the Nokia Qt LGPL Exception
-;** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-;**
-;** If you have questions regarding the use of this file, please contact
-;** Nokia at qt-info@nokia.com.
-;**
-;**
-;**
-;**
-;**
-;**
-;**
-;**
-;** $QT_END_LICENSE$
-;**
-;****************************************************************************
-
-;
-; 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_blend_rgb32_on_rgb32_arm
-;
-; @brief
-;
-; @param dest Destination pixels (r0)
-; @param dbpl Destination bytes per line (r1)
-; @param src Source pixels (r2)
-; @param sbpl Source bytes per line (r3)
-; @param w Width (s0 -> r4)
-; @param h Height (s1 -> r5)
-; @param const_alpha Constant alpha (s2 -> r6)
-;
-;---------------------------------------------------------------------------
-qt_blend_rgb32_on_rgb32_armv6 Function
- stmfd sp!, {r4-r12, r14}
-
- ; read arguments off the stack
- add r8, sp, #10 * 4
- ldmia r8, {r9-r11}
-
- ; Reorganize registers
-
- mov r4, r10
- mov r5, r1
- mov r6, r3
-
- mov r1, r2
- mov r2, r9
- mov r3, r11
-
- ; Now we have registers
- ; @param dest Destination pixels (r0)
- ; @param src Source pixels (r1)
- ; @param w Width (r2)
- ; @param const_alpha Constant alpha (r3)
- ; @param h Height (r4)
- ; @param dbpl Destination bytes per line (r5)
- ; @param sbpl Source bytes per line (r6)
-
- cmp r3, #256 ; test if we have fully opaque constant alpha value
- bne rgb32_blend_const_alpha ; branch if not
-
-rgb32_blend_loop
-
- subs r4, r4, #1
- bmi rgb32_blend_exit ; while(h--)
-
-rgb321 PixCpySafe r0, r1, r2
-
- add r0, r0, r5 ; dest = dest + dbpl
- add r1, r1, r6 ; src = src + sbpl
-
- b rgb32_blend_loop
-
-
-rgb32_blend_const_alpha
-
- ;ldr r14, =ComponentHalf ; load 0x800080 to r14
- mov r14, #0x800000
- add r14, r14, #0x80
-
- sub r3, r3, #1 ; const_alpha -= 1;
-
-rgb32_blend_loop_const_alpha
-
- subs r4, r4, #1
- bmi rgb32_blend_exit ; while(h--)
-
-rgb322 BlendRowSafe PixelSourceOverConstAlpha
-
- add r0, r0, r5 ; dest = dest + dbpl
- add r1, r1, r6 ; src = src + sbpl
-
- b rgb32_blend_loop_const_alpha
-
-rgb32_blend_exit
-
- ldmfd sp!, {r4-r12, pc} ; pop and return
-
-
-
-;-----------------------------------------------------------------------------
-; qt_blend_argb32_on_argb32_arm
-;
-; @brief
-;
-; @param dest Destination pixels (r0)
-; @param dbpl Destination bytes per line (r1)
-; @param src Source pixels (r2)
-; @param sbpl Source bytes per line (r3)
-; @param w Width (s0 -> r4)
-; @param h Height (s1 -> r5)
-; @param const_alpha Constant alpha (s2 -> r6)
-;
-;---------------------------------------------------------------------------
-qt_blend_argb32_on_argb32_armv6 Function
- stmfd sp!, {r4-r12, r14}
-
- ; read arguments off the stack
- add r8, sp, #10 * 4
- ldmia r8, {r9-r11}
-
- ; Reorganize registers
-
- mov r4, r10
- mov r5, r1
- mov r6, r3
-
- mov r1, r2
- mov r2, r9
- mov r3, r11
-
- ; Now we have registers
- ; @param dest Destination pixels (r0)
- ; @param src Source pixels (r1)
- ; @param w Width (r2)
- ; @param const_alpha Constant alpha (r3)
- ; @param h Height (r4)
- ; @param dbpl Destination bytes per line (r5)
- ; @param sbpl Source bytes per line (r6)
-
- ;ldr r14, =ComponentHalf ; load 0x800080 to r14
- mov r14, #0x800000
- add r14, r14, #0x80
-
- cmp r3, #256 ; test if we have fully opaque constant alpha value
- bne argb32_blend_const_alpha ; branch if not
-
-argb32_blend_loop
-
- subs r4, r4, #1
- bmi argb32_blend_exit ; while(h--)
-
-argb321 BlendRowSafe PixelSourceOver
-
- add r0, r0, r5 ; dest = dest + dbpl
- add r1, r1, r6 ; src = src + sbpl
-
- b argb32_blend_loop
-
-argb32_blend_const_alpha
-
- sub r3, r3, #1 ; const_alpha -= 1;
-
-argb32_blend_loop_const_alpha
-
- subs r4, r4, #1
- bmi argb32_blend_exit ; while(h--)
-
-argb322 BlendRowSafe PixelSourceOverConstAlpha
-
- add r0, r0, r5 ; dest = dest + dbpl
- add r1, r1, r6 ; src = src + sbpl
-
- b argb32_blend_loop_const_alpha
-
-argb32_blend_exit
-
- ldmfd sp!, {r4-r12, pc} ; pop and return
-
-
- END ; File end