1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/****************************************************************************
**
** 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_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
|
