--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/painting/qdrawhelper_sse_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,182 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDRAWHELPER_SSE_P_H
+#define QDRAWHELPER_SSE_P_H
+
+//
+// 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.
+//
+
+#include <private/qdrawhelper_mmx_p.h>
+
+#ifdef QT_HAVE_SSE
+
+#ifdef QT_LINUXBASE
+// this is an evil hack - the posix_memalign declaration in LSB
+// is wrong - see http://bugs.linuxbase.org/show_bug.cgi?id=2431
+# define posix_memalign _lsb_hack_posix_memalign
+# include <xmmintrin.h>
+# undef posix_memalign
+#else
+# include <xmmintrin.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifndef _MM_SHUFFLE
+#define _MM_SHUFFLE(fp3,fp2,fp1,fp0) \
+ (((fp3) << 6) | ((fp2) << 4) | ((fp1) << 2) | (fp0))
+#endif
+
+struct QSSEIntrinsics : public QMMXIntrinsics
+{
+ static inline m64 alpha(m64 x) {
+ return _mm_shuffle_pi16 (x, _MM_SHUFFLE(3, 3, 3, 3));
+ }
+
+ static inline m64 _load_alpha(uint x, const m64 &mmx_0x0000) {
+ m64 t = _mm_unpacklo_pi8(_mm_cvtsi32_si64(x), mmx_0x0000);
+ return _mm_shuffle_pi16 (t, _MM_SHUFFLE(0, 0, 0, 0));
+ }
+};
+
+template <class MM>
+inline void qt_memfill32_sse_template(quint32 *dest, quint32 value, int count)
+{
+ if (count < 7) {
+ switch (count) {
+ case 6: *dest++ = value;
+ case 5: *dest++ = value;
+ case 4: *dest++ = value;
+ case 3: *dest++ = value;
+ case 2: *dest++ = value;
+ case 1: *dest = value;
+ }
+ return;
+ };
+
+ __m64 *dst64 = reinterpret_cast<__m64*>(dest);
+ const __m64 value64 = _mm_set_pi32(value, value);
+ int count64 = count / 2;
+
+ int n = (count64 + 3) / 4;
+ switch (count64 & 0x3) {
+ case 0: do { _mm_stream_pi(dst64++, value64);
+ case 3: _mm_stream_pi(dst64++, value64);
+ case 2: _mm_stream_pi(dst64++, value64);
+ case 1: _mm_stream_pi(dst64++, value64);
+ } while (--n > 0);
+ }
+
+ if (count & 0x1)
+ dest[count - 1] = value;
+
+ MM::end();
+}
+
+template <class MM>
+inline void qt_bitmapblit16_sse_template(QRasterBuffer *rasterBuffer,
+ int x, int y,
+ quint32 color,
+ const uchar *src,
+ int width, int height, int stride)
+{
+ const quint16 c = qt_colorConvert<quint16, quint32>(color, 0);
+ quint16 *dest = reinterpret_cast<quint16*>(rasterBuffer->scanLine(y)) + x;
+ const int destStride = rasterBuffer->bytesPerLine() / sizeof(quint16);
+
+ const __m64 c64 = _mm_set1_pi16(c);
+#ifdef Q_CC_MSVC
+# pragma warning(disable: 4309) // truncation of constant value
+#endif
+ const __m64 maskmask1 = _mm_set_pi16(0x1010, 0x2020, 0x4040, 0x8080);
+ const __m64 maskadd1 = _mm_set_pi16(0x7070, 0x6060, 0x4040, 0x0000);
+
+ if (width > 4) {
+ const __m64 maskmask2 = _mm_set_pi16(0x0101, 0x0202, 0x0404, 0x0808);
+ const __m64 maskadd2 = _mm_set_pi16(0x7f7f, 0x7e7e, 0x7c7c, 0x7878);
+
+ while (height--) {
+ for (int x = 0; x < width; x += 8) {
+ const quint8 s = src[x >> 3];
+ if (!s)
+ continue;
+ __m64 mask1 = _mm_set1_pi8(s);
+ __m64 mask2 = mask1;
+ mask1 = _m_pand(mask1, maskmask1);
+ mask1 = _mm_add_pi16(mask1, maskadd1);
+ _mm_maskmove_si64(c64, mask1, (char*)(dest + x));
+ mask2 = _m_pand(mask2, maskmask2);
+ mask2 = _mm_add_pi16(mask2, maskadd2);
+ _mm_maskmove_si64(c64, mask2, (char*)(dest + x + 4));
+ }
+ dest += destStride;
+ src += stride;
+ }
+ } else {
+ while (height--) {
+ const quint8 s = *src;
+ if (s) {
+ __m64 mask1 = _mm_set1_pi8(s);
+ mask1 = _m_pand(mask1, maskmask1);
+ mask1 = _mm_add_pi16(mask1, maskadd1);
+ _mm_maskmove_si64(c64, mask1, (char*)(dest));
+ }
+ dest += destStride;
+ src += stride;
+ }
+ }
+
+ MM::end();
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_HAVE_SSE
+#endif // QDRAWHELPER_SSE_P_H