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Diffstat (limited to 'src/gui/painting/qdrawhelper_mmx_p.h')
| -rw-r--r-- | src/gui/painting/qdrawhelper_mmx_p.h | 892 |
1 files changed, 892 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper_mmx_p.h b/src/gui/painting/qdrawhelper_mmx_p.h new file mode 100644 index 0000000000..06e945b882 --- /dev/null +++ b/src/gui/painting/qdrawhelper_mmx_p.h @@ -0,0 +1,892 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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 +*/ +#define comp_func_Clear_impl(dest, length, 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();\ + }\ +} + +template <class MM> +static void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint, uint const_alpha) +{ + comp_func_Clear_impl(dest, length, const_alpha); +} + +template <class MM> +static void QT_FASTCALL comp_func_Clear(uint *dest, const uint *, int length, uint const_alpha) +{ + comp_func_Clear_impl(dest, length, const_alpha); +} + +/* + 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) { + const uint alphaMaskedSource = 0xff000000 & src[i]; + if (alphaMaskedSource == 0) + continue; + if (alphaMaskedSource == 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) { + if ((0xff000000 & src[i]) == 0) + continue; + 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 |