src/gui/painting/qdrawhelper_iwmmxt.cpp
author Alex Gilkes <alex.gilkes@nokia.com>
Mon, 11 Jan 2010 14:00:40 +0000
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifdef QT_HAVE_IWMMXT
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#include <mmintrin.h>
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#if defined(Q_OS_WINCE)
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#  include "qplatformdefs.h"
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#endif
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#if !defined(__IWMMXT__) && !defined(Q_OS_WINCE)
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#  include <xmmintrin.h>
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#elif defined(Q_OS_WINCE_STD) && defined(_X86_)
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#  pragma warning(disable: 4391)
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#  include <xmmintrin.h>
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#endif
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#include <private/qdrawhelper_sse_p.h>
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QT_BEGIN_NAMESPACE
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#ifndef _MM_SHUFFLE
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#define _MM_SHUFFLE(fp3,fp2,fp1,fp0) \
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 (((fp3) << 6) | ((fp2) << 4) | ((fp1) << 2) | (fp0))
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#endif
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struct QIWMMXTIntrinsics : public QMMXCommonIntrinsics
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{
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    static inline m64 alpha(m64 x) {
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        return _mm_shuffle_pi16 (x, _MM_SHUFFLE(3, 3, 3, 3));
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    }
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    static inline m64 _load_alpha(uint x, const m64 &mmx_0x0000) {
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        m64 t = _mm_unpacklo_pi8(_mm_cvtsi32_si64(x), mmx_0x0000);
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        return _mm_shuffle_pi16(t, _MM_SHUFFLE(0, 0, 0, 0));
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    }
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    static inline void end() {
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    }
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};
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CompositionFunctionSolid qt_functionForModeSolid_IWMMXT[numCompositionFunctions] = {
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    comp_func_solid_SourceOver<QIWMMXTIntrinsics>,
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    comp_func_solid_DestinationOver<QIWMMXTIntrinsics>,
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    comp_func_solid_Clear<QIWMMXTIntrinsics>,
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    comp_func_solid_Source<QIWMMXTIntrinsics>,
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    0,
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    comp_func_solid_SourceIn<QIWMMXTIntrinsics>,
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    comp_func_solid_DestinationIn<QIWMMXTIntrinsics>,
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    comp_func_solid_SourceOut<QIWMMXTIntrinsics>,
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    comp_func_solid_DestinationOut<QIWMMXTIntrinsics>,
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    comp_func_solid_SourceAtop<QIWMMXTIntrinsics>,
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    comp_func_solid_DestinationAtop<QIWMMXTIntrinsics>,
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    comp_func_solid_XOR<QIWMMXTIntrinsics>,
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    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // svg 1.2 modes
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    rasterop_solid_SourceOrDestination<QIWMMXTIntrinsics>,
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    rasterop_solid_SourceAndDestination<QIWMMXTIntrinsics>,
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    rasterop_solid_SourceXorDestination<QIWMMXTIntrinsics>,
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    rasterop_solid_NotSourceAndNotDestination<QIWMMXTIntrinsics>,
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    rasterop_solid_NotSourceOrNotDestination<QIWMMXTIntrinsics>,
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    rasterop_solid_NotSourceXorDestination<QIWMMXTIntrinsics>,
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    rasterop_solid_NotSource<QIWMMXTIntrinsics>,
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    rasterop_solid_NotSourceAndDestination<QIWMMXTIntrinsics>,
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    rasterop_solid_SourceAndNotDestination<QIWMMXTIntrinsics>
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};
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CompositionFunction qt_functionForMode_IWMMXT[] = {
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    comp_func_SourceOver<QIWMMXTIntrinsics>,
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    comp_func_DestinationOver<QIWMMXTIntrinsics>,
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    comp_func_Clear<QIWMMXTIntrinsics>,
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    comp_func_Source<QIWMMXTIntrinsics>,
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    0,
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    comp_func_SourceIn<QIWMMXTIntrinsics>,
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    comp_func_DestinationIn<QIWMMXTIntrinsics>,
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    comp_func_SourceOut<QIWMMXTIntrinsics>,
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    comp_func_DestinationOut<QIWMMXTIntrinsics>,
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    comp_func_SourceAtop<QIWMMXTIntrinsics>,
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    comp_func_DestinationAtop<QIWMMXTIntrinsics>,
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    comp_func_XOR<QIWMMXTIntrinsics>
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};
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void qt_blend_color_argb_iwmmxt(int count, const QSpan *spans, void *userData)
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{
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    qt_blend_color_argb_x86<QIWMMXTIntrinsics>(count, spans, userData,
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                                               (CompositionFunctionSolid*)qt_functionForModeSolid_IWMMXT);
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}
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#endif // QT_HAVE_IWMMXT
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QT_END_NAMESPACE