--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/painting/qdrawhelper_mmx_p.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,893 @@
+/****************************************************************************
+**
+** 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_MMX_P_H
+#define QDRAWHELPER_MMX_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_p.h>
+#include <private/qdrawhelper_x86_p.h>
+#include <private/qpaintengine_raster_p.h>
+
+#ifdef QT_HAVE_MMX
+#include <mmintrin.h>
+#endif
+
+#define C_FF const m64 mmx_0x00ff = _mm_set1_pi16(0xff)
+#define C_80 const m64 mmx_0x0080 = _mm_set1_pi16(0x80)
+#define C_00 const m64 mmx_0x0000 = _mm_setzero_si64()
+
+#ifdef Q_CC_MSVC
+# pragma warning(disable: 4799) // No EMMS at end of function
+#endif
+
+typedef __m64 m64;
+
+QT_BEGIN_NAMESPACE
+
+struct QMMXCommonIntrinsics
+{
+ static inline m64 alpha(m64 x) {
+ x = _mm_unpackhi_pi16(x, x);
+ x = _mm_unpackhi_pi16(x, x);
+ return x;
+ }
+
+ static inline m64 _negate(const m64 &x, const m64 &mmx_0x00ff) {
+ return _mm_xor_si64(x, mmx_0x00ff);
+ }
+
+ static inline m64 add(const m64 &a, const m64 &b) {
+ return _mm_adds_pu16 (a, b);
+ }
+
+ static inline m64 _byte_mul(const m64 &a, const m64 &b,
+ const m64 &mmx_0x0080)
+ {
+ m64 res = _mm_mullo_pi16(a, b);
+ res = _mm_adds_pu16(res, mmx_0x0080);
+ res = _mm_adds_pu16(res, _mm_srli_pi16 (res, 8));
+ return _mm_srli_pi16(res, 8);
+ }
+
+ static inline m64 interpolate_pixel_256(const m64 &x, const m64 &a,
+ const m64 &y, const m64 &b)
+ {
+ m64 res = _mm_adds_pu16(_mm_mullo_pi16(x, a), _mm_mullo_pi16(y, b));
+ return _mm_srli_pi16(res, 8);
+ }
+
+ static inline m64 _interpolate_pixel_255(const m64 &x, const m64 &a,
+ const m64 &y, const m64 &b,
+ const m64 &mmx_0x0080)
+ {
+ m64 res = _mm_adds_pu16(_mm_mullo_pi16(x, a), _mm_mullo_pi16(y, b));
+ res = _mm_adds_pu16(res, mmx_0x0080);
+ res = _mm_adds_pu16(res, _mm_srli_pi16 (res, 8));
+ return _mm_srli_pi16(res, 8);
+ }
+
+ static inline m64 _premul(m64 x, const m64 &mmx_0x0080) {
+ m64 a = alpha(x);
+ return _byte_mul(x, a, mmx_0x0080);
+ }
+
+ static inline m64 _load(uint x, const m64 &mmx_0x0000) {
+ return _mm_unpacklo_pi8(_mm_cvtsi32_si64(x), mmx_0x0000);
+ }
+
+ static inline m64 _load_alpha(uint x, const m64 &) {
+ x |= (x << 16);
+ return _mm_set1_pi32(x);
+ }
+
+ static inline uint _store(const m64 &x, const m64 &mmx_0x0000) {
+ return _mm_cvtsi64_si32(_mm_packs_pu16(x, mmx_0x0000));
+ }
+};
+
+#define negate(x) _negate(x, mmx_0x00ff)
+#define byte_mul(a, b) _byte_mul(a, b, mmx_0x0080)
+#define interpolate_pixel_255(x, a, y, b) _interpolate_pixel_255(x, a, y, b, mmx_0x0080)
+#define premul(x) _premul(x, mmx_0x0080)
+#define load(x) _load(x, mmx_0x0000)
+#define load_alpha(x) _load_alpha(x, mmx_0x0000)
+#define store(x) _store(x, mmx_0x0000)
+
+/*
+ result = 0
+ d = d * cia
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint, uint const_alpha)
+{
+ if (!length)
+ return;
+
+ if (const_alpha == 255) {
+ qt_memfill(static_cast<quint32*>(dest), quint32(0), length);
+ } else {
+ C_FF; C_80; C_00;
+ m64 ia = MM::negate(MM::load_alpha(const_alpha));
+ for (int i = 0; i < length; ++i) {
+ dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), ia));
+ }
+ }
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_Clear(uint *dest, const uint *, int length, uint const_alpha)
+{
+ if (const_alpha == 255) {
+ qt_memfill(static_cast<quint32*>(dest), quint32(0), length);
+ } else {
+ C_FF; C_80; C_00;
+ m64 ia = MM::negate(MM::load_alpha(const_alpha));
+ for (int i = 0; i < length; ++i)
+ dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), ia));
+ }
+ MM::end();
+}
+
+/*
+ result = s
+ dest = s * ca + d * cia
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_Source(uint *dest, int length, uint src, uint const_alpha)
+{
+ if (const_alpha == 255) {
+ qt_memfill(static_cast<quint32*>(dest), quint32(src), length);
+ } else {
+ C_FF; C_80; C_00;
+ const m64 a = MM::load_alpha(const_alpha);
+ const m64 ia = MM::negate(a);
+ const m64 s = MM::byte_mul(MM::load(src), a);
+ for (int i = 0; i < length; ++i) {
+ dest[i] = MM::store(MM::add(s, MM::byte_mul(MM::load(dest[i]), ia)));
+ }
+ MM::end();
+ }
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_Source(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ if (const_alpha == 255) {
+ ::memcpy(dest, src, length * sizeof(uint));
+ } else {
+ C_FF; C_80; C_00;
+ const m64 a = MM::load_alpha(const_alpha);
+ const m64 ia = MM::negate(a);
+ for (int i = 0; i < length; ++i)
+ dest[i] = MM::store(MM::interpolate_pixel_255(MM::load(src[i]), a,
+ MM::load(dest[i]), ia));
+ }
+ MM::end();
+}
+
+/*
+ result = s + d * sia
+ dest = (s + d * sia) * ca + d * cia
+ = s * ca + d * (sia * ca + cia)
+ = s * ca + d * (1 - sa*ca)
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_SourceOver(uint *dest, int length, uint src, uint const_alpha)
+{
+ if ((const_alpha & qAlpha(src)) == 255) {
+ qt_memfill(static_cast<quint32*>(dest), quint32(src), length);
+ } else {
+ C_FF; C_80; C_00;
+ m64 s = MM::load(src);
+ if (const_alpha != 255) {
+ m64 ca = MM::load_alpha(const_alpha);
+ s = MM::byte_mul(s, ca);
+ }
+ m64 a = MM::negate(MM::alpha(s));
+ for (int i = 0; i < length; ++i)
+ dest[i] = MM::store(MM::add(s, MM::byte_mul(MM::load(dest[i]), a)));
+ MM::end();
+ }
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_SourceOver(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ if ((0xff000000 & src[i]) == 0xff000000) {
+ dest[i] = src[i];
+ } else {
+ m64 s = MM::load(src[i]);
+ m64 ia = MM::negate(MM::alpha(s));
+ dest[i] = MM::store(MM::add(s, MM::byte_mul(MM::load(dest[i]), ia)));
+ }
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ for (int i = 0; i < length; ++i) {
+ m64 s = MM::byte_mul(MM::load(src[i]), ca);
+ m64 ia = MM::negate(MM::alpha(s));
+ dest[i] = MM::store(MM::add(s, MM::byte_mul(MM::load(dest[i]), ia)));
+ }
+ }
+ MM::end();
+}
+
+/*
+ result = d + s * dia
+ dest = (d + s * dia) * ca + d * cia
+ = d + s * dia * ca
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_DestinationOver(uint *dest, int length, uint src, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ m64 s = MM::load(src);
+ if (const_alpha != 255)
+ s = MM::byte_mul(s, MM::load_alpha(const_alpha));
+
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ m64 dia = MM::negate(MM::alpha(d));
+ dest[i] = MM::store(MM::add(d, MM::byte_mul(s, dia)));
+ }
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_DestinationOver(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ m64 ia = MM::negate(MM::alpha(d));
+ dest[i] = MM::store(MM::add(d, MM::byte_mul(MM::load(src[i]), ia)));
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ m64 dia = MM::negate(MM::alpha(d));
+ dia = MM::byte_mul(dia, ca);
+ dest[i] = MM::store(MM::add(d, MM::byte_mul(MM::load(src[i]), dia)));
+ }
+ }
+ MM::end();
+}
+
+/*
+ result = s * da
+ dest = s * da * ca + d * cia
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_SourceIn(uint *dest, int length, uint src, uint const_alpha)
+{
+ C_80; C_00;
+ if (const_alpha == 255) {
+ m64 s = MM::load(src);
+ for (int i = 0; i < length; ++i) {
+ m64 da = MM::alpha(MM::load(dest[i]));
+ dest[i] = MM::store(MM::byte_mul(s, da));
+ }
+ } else {
+ C_FF;
+ m64 s = MM::load(src);
+ m64 ca = MM::load_alpha(const_alpha);
+ s = MM::byte_mul(s, ca);
+ m64 cia = MM::negate(ca);
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::alpha(d), d, cia));
+ }
+ }
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_SourceIn(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ m64 a = MM::alpha(MM::load(dest[i]));
+ dest[i] = MM::store(MM::byte_mul(MM::load(src[i]), a));
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ m64 cia = MM::negate(ca);
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ m64 da = MM::byte_mul(MM::alpha(d), ca);
+ dest[i] = MM::store(MM::interpolate_pixel_255(
+ MM::load(src[i]), da, d, cia));
+ }
+ }
+ MM::end();
+}
+
+/*
+ result = d * sa
+ dest = d * sa * ca + d * cia
+ = d * (sa * ca + cia)
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_DestinationIn(uint *dest, int length, uint src, uint const_alpha)
+{
+ C_80; C_00;
+ m64 a = MM::alpha(MM::load(src));
+ if (const_alpha != 255) {
+ C_FF;
+ m64 ca = MM::load_alpha(const_alpha);
+ m64 cia = MM::negate(ca);
+ a = MM::byte_mul(a, ca);
+ a = MM::add(a, cia);
+ }
+ for (int i = 0; i < length; ++i)
+ dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), a));
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_DestinationIn(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ m64 a = MM::alpha(MM::load(src[i]));
+ dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), a));
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ m64 cia = MM::negate(ca);
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ m64 a = MM::alpha(MM::load(src[i]));
+ a = MM::byte_mul(a, ca);
+ a = MM::add(a, cia);
+ dest[i] = MM::store(MM::byte_mul(d, a));
+ }
+ }
+ MM::end();
+}
+
+/*
+ result = s * dia
+ dest = s * dia * ca + d * cia
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_SourceOut(uint *dest, int length, uint src, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ m64 s = MM::load(src);
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ m64 dia = MM::negate(MM::alpha(MM::load(dest[i])));
+ dest[i] = MM::store(MM::byte_mul(s, dia));
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ m64 cia = MM::negate(ca);
+ s = MM::byte_mul(s, ca);
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::negate(MM::alpha(d)), d, cia));
+ }
+ }
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_SourceOut(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ m64 ia = MM::negate(MM::alpha(MM::load(dest[i])));
+ dest[i] = MM::store(MM::byte_mul(MM::load(src[i]), ia));
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ m64 cia = MM::negate(ca);
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ m64 dia = MM::byte_mul(MM::negate(MM::alpha(d)), ca);
+ dest[i] = MM::store(MM::interpolate_pixel_255(MM::load(src[i]), dia, d, cia));
+ }
+ }
+ MM::end();
+}
+
+/*
+ result = d * sia
+ dest = d * sia * ca + d * cia
+ = d * (sia * ca + cia)
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_DestinationOut(uint *dest, int length, uint src, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ m64 a = MM::negate(MM::alpha(MM::load(src)));
+ if (const_alpha != 255) {
+ m64 ca = MM::load_alpha(const_alpha);
+ a = MM::byte_mul(a, ca);
+ a = MM::add(a, MM::negate(ca));
+ }
+ for (int i = 0; i < length; ++i)
+ dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), a));
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_DestinationOut(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ m64 a = MM::negate(MM::alpha(MM::load(src[i])));
+ dest[i] = MM::store(MM::byte_mul(MM::load(dest[i]), a));
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ m64 cia = MM::negate(ca);
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ m64 a = MM::negate(MM::alpha(MM::load(src[i])));
+ a = MM::byte_mul(a, ca);
+ a = MM::add(a, cia);
+ dest[i] = MM::store(MM::byte_mul(d, a));
+ }
+ }
+ MM::end();
+}
+
+/*
+ result = s*da + d*sia
+ dest = s*da*ca + d*sia*ca + d *cia
+ = s*ca * da + d * (sia*ca + cia)
+ = s*ca * da + d * (1 - sa*ca)
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_SourceAtop(uint *dest, int length, uint src, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ m64 s = MM::load(src);
+ if (const_alpha != 255) {
+ m64 ca = MM::load_alpha(const_alpha);
+ s = MM::byte_mul(s, ca);
+ }
+ m64 a = MM::negate(MM::alpha(s));
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::alpha(d), d, a));
+ }
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_SourceAtop(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ m64 s = MM::load(src[i]);
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::alpha(d), d,
+ MM::negate(MM::alpha(s))));
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ for (int i = 0; i < length; ++i) {
+ m64 s = MM::load(src[i]);
+ s = MM::byte_mul(s, ca);
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::alpha(d), d,
+ MM::negate(MM::alpha(s))));
+ }
+ }
+ MM::end();
+}
+
+/*
+ result = d*sa + s*dia
+ dest = d*sa*ca + s*dia*ca + d *cia
+ = s*ca * dia + d * (sa*ca + cia)
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_DestinationAtop(uint *dest, int length, uint src, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ m64 s = MM::load(src);
+ m64 a = MM::alpha(s);
+ if (const_alpha != 255) {
+ m64 ca = MM::load_alpha(const_alpha);
+ s = MM::byte_mul(s, ca);
+ a = MM::alpha(s);
+ a = MM::add(a, MM::negate(ca));
+ }
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::negate(MM::alpha(d)), d, a));
+ }
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_DestinationAtop(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ m64 s = MM::load(src[i]);
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(d, MM::alpha(s), s,
+ MM::negate(MM::alpha(d))));
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ for (int i = 0; i < length; ++i) {
+ m64 s = MM::load(src[i]);
+ s = MM::byte_mul(s, ca);
+ m64 d = MM::load(dest[i]);
+ m64 a = MM::alpha(s);
+ a = MM::add(a, MM::negate(ca));
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::negate(MM::alpha(d)),
+ d, a));
+ }
+ }
+ MM::end();
+}
+
+/*
+ result = d*sia + s*dia
+ dest = d*sia*ca + s*dia*ca + d *cia
+ = s*ca * dia + d * (sia*ca + cia)
+ = s*ca * dia + d * (1 - sa*ca)
+*/
+template <class MM>
+static void QT_FASTCALL comp_func_solid_XOR(uint *dest, int length, uint src, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ m64 s = MM::load(src);
+ if (const_alpha != 255) {
+ m64 ca = MM::load_alpha(const_alpha);
+ s = MM::byte_mul(s, ca);
+ }
+ m64 a = MM::negate(MM::alpha(s));
+ for (int i = 0; i < length; ++i) {
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::negate(MM::alpha(d)),
+ d, a));
+ }
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL comp_func_XOR(uint *dest, const uint *src, int length, uint const_alpha)
+{
+ C_FF; C_80; C_00;
+ if (const_alpha == 255) {
+ for (int i = 0; i < length; ++i) {
+ m64 s = MM::load(src[i]);
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::negate(MM::alpha(d)),
+ d, MM::negate(MM::alpha(s))));
+ }
+ } else {
+ m64 ca = MM::load_alpha(const_alpha);
+ for (int i = 0; i < length; ++i) {
+ m64 s = MM::load(src[i]);
+ s = MM::byte_mul(s, ca);
+ m64 d = MM::load(dest[i]);
+ dest[i] = MM::store(MM::interpolate_pixel_255(s, MM::negate(MM::alpha(d)),
+ d, MM::negate(MM::alpha(s))));
+ }
+ }
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL rasterop_solid_SourceOrDestination(uint *dest,
+ int length,
+ uint color,
+ uint const_alpha)
+{
+ Q_UNUSED(const_alpha);
+
+ if ((quintptr)(dest) & 0x7) {
+ *dest++ |= color;
+ --length;
+ }
+
+ const int length64 = length / 2;
+ if (length64) {
+ __m64 *dst64 = reinterpret_cast<__m64*>(dest);
+ const __m64 color64 = _mm_set_pi32(color, color);
+
+ int n = (length64 + 3) / 4;
+ switch (length64 & 0x3) {
+ case 0: do { *dst64 = _mm_or_si64(*dst64, color64); ++dst64;
+ case 3: *dst64 = _mm_or_si64(*dst64, color64); ++dst64;
+ case 2: *dst64 = _mm_or_si64(*dst64, color64); ++dst64;
+ case 1: *dst64 = _mm_or_si64(*dst64, color64); ++dst64;
+ } while (--n > 0);
+ }
+ }
+
+ if (length & 0x1) {
+ dest[length - 1] |= color;
+ }
+
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL rasterop_solid_SourceAndDestination(uint *dest,
+ int length,
+ uint color,
+ uint const_alpha)
+{
+ Q_UNUSED(const_alpha);
+
+ color |= 0xff000000;
+
+ if ((quintptr)(dest) & 0x7) { // align
+ *dest++ &= color;
+ --length;
+ }
+
+ const int length64 = length / 2;
+ if (length64) {
+ __m64 *dst64 = reinterpret_cast<__m64*>(dest);
+ const __m64 color64 = _mm_set_pi32(color, color);
+
+ int n = (length64 + 3) / 4;
+ switch (length64 & 0x3) {
+ case 0: do { *dst64 = _mm_and_si64(*dst64, color64); ++dst64;
+ case 3: *dst64 = _mm_and_si64(*dst64, color64); ++dst64;
+ case 2: *dst64 = _mm_and_si64(*dst64, color64); ++dst64;
+ case 1: *dst64 = _mm_and_si64(*dst64, color64); ++dst64;
+ } while (--n > 0);
+ }
+ }
+
+ if (length & 0x1) {
+ dest[length - 1] &= color;
+ }
+
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL rasterop_solid_SourceXorDestination(uint *dest,
+ int length,
+ uint color,
+ uint const_alpha)
+{
+ Q_UNUSED(const_alpha);
+
+ color &= 0x00ffffff;
+
+ if ((quintptr)(dest) & 0x7) {
+ *dest++ ^= color;
+ --length;
+ }
+
+ const int length64 = length / 2;
+ if (length64) {
+ __m64 *dst64 = reinterpret_cast<__m64*>(dest);
+ const __m64 color64 = _mm_set_pi32(color, color);
+
+ int n = (length64 + 3) / 4;
+ switch (length64 & 0x3) {
+ case 0: do { *dst64 = _mm_xor_si64(*dst64, color64); ++dst64;
+ case 3: *dst64 = _mm_xor_si64(*dst64, color64); ++dst64;
+ case 2: *dst64 = _mm_xor_si64(*dst64, color64); ++dst64;
+ case 1: *dst64 = _mm_xor_si64(*dst64, color64); ++dst64;
+ } while (--n > 0);
+ }
+ }
+
+ if (length & 0x1) {
+ dest[length - 1] ^= color;
+ }
+
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL rasterop_solid_SourceAndNotDestination(uint *dest,
+ int length,
+ uint color,
+ uint const_alpha)
+{
+
+ Q_UNUSED(const_alpha);
+
+ if ((quintptr)(dest) & 0x7) {
+ *dest = (color & ~(*dest)) | 0xff000000;
+ ++dest;
+ --length;
+ }
+
+ const int length64 = length / 2;
+ if (length64) {
+ __m64 *dst64 = reinterpret_cast<__m64*>(dest);
+ const __m64 color64 = _mm_set_pi32(color, color);
+ const m64 mmx_0xff000000 = _mm_set1_pi32(0xff000000);
+ __m64 tmp1, tmp2, tmp3, tmp4;
+
+ int n = (length64 + 3) / 4;
+ switch (length64 & 0x3) {
+ case 0: do { tmp1 = _mm_andnot_si64(*dst64, color64);
+ *dst64++ = _mm_or_si64(tmp1, mmx_0xff000000);
+ case 3: tmp2 = _mm_andnot_si64(*dst64, color64);
+ *dst64++ = _mm_or_si64(tmp2, mmx_0xff000000);
+ case 2: tmp3 = _mm_andnot_si64(*dst64, color64);
+ *dst64++ = _mm_or_si64(tmp3, mmx_0xff000000);
+ case 1: tmp4 = _mm_andnot_si64(*dst64, color64);
+ *dst64++ = _mm_or_si64(tmp4, mmx_0xff000000);
+ } while (--n > 0);
+ }
+ }
+
+ if (length & 0x1) {
+ dest[length - 1] = (color & ~(dest[length - 1])) | 0xff000000;
+ }
+
+ MM::end();
+}
+
+template <class MM>
+static void QT_FASTCALL rasterop_solid_NotSourceAndNotDestination(uint *dest,
+ int length,
+ uint color,
+ uint const_alpha)
+{
+ rasterop_solid_SourceAndNotDestination<MM>(dest, length,
+ ~color, const_alpha);
+}
+
+template <class MM>
+static void QT_FASTCALL rasterop_solid_NotSourceOrNotDestination(uint *dest,
+ int length,
+ uint color,
+ uint const_alpha)
+{
+ Q_UNUSED(const_alpha);
+ color = ~color | 0xff000000;
+ while (length--) {
+ *dest = color | ~(*dest);
+ ++dest;
+ }
+}
+
+template <class MM>
+static void QT_FASTCALL rasterop_solid_NotSourceXorDestination(uint *dest,
+ int length,
+ uint color,
+ uint const_alpha)
+{
+ rasterop_solid_SourceXorDestination<MM>(dest, length, ~color, const_alpha);
+}
+
+template <class MM>
+static void QT_FASTCALL rasterop_solid_NotSource(uint *dest, int length,
+ uint color, uint const_alpha)
+{
+ Q_UNUSED(const_alpha);
+ qt_memfill((quint32*)dest, ~color | 0xff000000, length);
+}
+
+template <class MM>
+static void QT_FASTCALL rasterop_solid_NotSourceAndDestination(uint *dest,
+ int length,
+ uint color,
+ uint const_alpha)
+{
+ rasterop_solid_SourceAndDestination<MM>(dest, length,
+ ~color, const_alpha);
+}
+
+template <class MM>
+static inline void qt_blend_color_argb_x86(int count, const QSpan *spans,
+ void *userData,
+ CompositionFunctionSolid *solidFunc)
+{
+ QSpanData *data = reinterpret_cast<QSpanData *>(userData);
+ if (data->rasterBuffer->compositionMode == QPainter::CompositionMode_Source
+ || (data->rasterBuffer->compositionMode == QPainter::CompositionMode_SourceOver
+ && qAlpha(data->solid.color) == 255)) {
+ // inline for performance
+ C_FF; C_80; C_00;
+ while (count--) {
+ uint *target = ((uint *)data->rasterBuffer->scanLine(spans->y)) + spans->x;
+ if (spans->coverage == 255) {
+ qt_memfill(static_cast<quint32*>(target), quint32(data->solid.color), spans->len);
+ } else {
+ // dest = s * ca + d * (1 - sa*ca) --> dest = s * ca + d * (1-ca)
+ m64 ca = MM::load_alpha(spans->coverage);
+ m64 s = MM::byte_mul(MM::load(data->solid.color), ca);
+ m64 ica = MM::negate(ca);
+ for (int i = 0; i < spans->len; ++i)
+ target[i] = MM::store(MM::add(s, MM::byte_mul(MM::load(target[i]), ica)));
+ }
+ ++spans;
+ }
+ MM::end();
+ return;
+ }
+ CompositionFunctionSolid func = solidFunc[data->rasterBuffer->compositionMode];
+ while (count--) {
+ uint *target = ((uint *)data->rasterBuffer->scanLine(spans->y)) + spans->x;
+ func(target, spans->len, data->solid.color, spans->coverage);
+ ++spans;
+ }
+}
+
+#ifdef QT_HAVE_MMX
+struct QMMXIntrinsics : public QMMXCommonIntrinsics
+{
+ static inline void end() {
+#if !defined(Q_OS_WINCE) || defined(_X86_)
+ _mm_empty();
+#endif
+ }
+};
+#endif // QT_HAVE_MMX
+
+QT_END_NAMESPACE
+
+#endif // QDRAWHELPER_MMX_P_H