--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/painting/qblendfunctions_armv6_rvct.s Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,222 @@
+;****************************************************************************
+;**
+;** Copyright (C) 2009 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