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-rw-r--r--src/gui/painting/qimagescale_sse4.cpp266
1 files changed, 135 insertions, 131 deletions
diff --git a/src/gui/painting/qimagescale_sse4.cpp b/src/gui/painting/qimagescale_sse4.cpp
index 5861a2e2ff..982e533a32 100644
--- a/src/gui/painting/qimagescale_sse4.cpp
+++ b/src/gui/painting/qimagescale_sse4.cpp
@@ -1,53 +1,48 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qimagescale_p.h"
#include "qimage.h"
#include <private/qdrawhelper_x86_p.h>
#include <private/qsimd_p.h>
+#if QT_CONFIG(thread) && !defined(Q_OS_WASM)
+#include <qsemaphore.h>
+#include <qthreadpool.h>
+#include <private/qthreadpool_p.h>
+#endif
+
#if defined(QT_COMPILER_SUPPORTS_SSE4_1)
QT_BEGIN_NAMESPACE
using namespace QImageScale;
+template<typename T>
+static inline void multithread_pixels_function(QImageScaleInfo *isi, int dh, const T &scaleSection)
+{
+#if QT_CONFIG(thread) && !defined(Q_OS_WASM)
+ int segments = (qsizetype(isi->sh) * isi->sw) / (1<<16);
+ segments = std::min(segments, dh);
+ QThreadPool *threadPool = QThreadPoolPrivate::qtGuiInstance();
+ if (segments > 1 && threadPool && !threadPool->contains(QThread::currentThread())) {
+ QSemaphore semaphore;
+ int y = 0;
+ for (int i = 0; i < segments; ++i) {
+ int yn = (dh - y) / (segments - i);
+ threadPool->start([&, y, yn]() {
+ scaleSection(y, y + yn);
+ semaphore.release(1);
+ });
+ y += yn;
+ }
+ semaphore.acquire(segments);
+ return;
+ }
+#endif
+ scaleSection(0, dh);
+}
+
inline static __m128i Q_DECL_VECTORCALL
qt_qimageScaleAARGBA_helper(const unsigned int *pix, int xyap, int Cxy, int step, const __m128i vxyap, const __m128i vCxy)
{
@@ -70,44 +65,47 @@ void qt_qimageScaleAARGBA_up_x_down_y_sse4(QImageScaleInfo *isi, unsigned int *d
int dw, int dh, int dow, int sow)
{
const unsigned int **ypoints = isi->ypoints;
- int *xpoints = isi->xpoints;
- int *xapoints = isi->xapoints;
- int *yapoints = isi->yapoints;
+ const int *xpoints = isi->xpoints;
+ const int *xapoints = isi->xapoints;
+ const int *yapoints = isi->yapoints;
const __m128i v256 = _mm_set1_epi32(256);
/* go through every scanline in the output buffer */
- for (int y = 0; y < dh; y++) {
- int Cy = yapoints[y] >> 16;
- int yap = yapoints[y] & 0xffff;
- const __m128i vCy = _mm_set1_epi32(Cy);
- const __m128i vyap = _mm_set1_epi32(yap);
-
- unsigned int *dptr = dest + (y * dow);
- for (int x = 0; x < dw; x++) {
- const unsigned int *sptr = ypoints[y] + xpoints[x];
- __m128i vx = qt_qimageScaleAARGBA_helper(sptr, yap, Cy, sow, vyap, vCy);
-
- int xap = xapoints[x];
- if (xap > 0) {
- const __m128i vxap = _mm_set1_epi32(xap);
- const __m128i vinvxap = _mm_sub_epi32(v256, vxap);
- __m128i vr = qt_qimageScaleAARGBA_helper(sptr + 1, yap, Cy, sow, vyap, vCy);
-
- vx = _mm_mullo_epi32(vx, vinvxap);
- vr = _mm_mullo_epi32(vr, vxap);
- vx = _mm_add_epi32(vx, vr);
- vx = _mm_srli_epi32(vx, 8);
+ auto scaleSection = [&] (int yStart, int yEnd) {
+ for (int y = yStart; y < yEnd; ++y) {
+ const int Cy = yapoints[y] >> 16;
+ const int yap = yapoints[y] & 0xffff;
+ const __m128i vCy = _mm_set1_epi32(Cy);
+ const __m128i vyap = _mm_set1_epi32(yap);
+
+ unsigned int *dptr = dest + (y * dow);
+ for (int x = 0; x < dw; x++) {
+ const unsigned int *sptr = ypoints[y] + xpoints[x];
+ __m128i vx = qt_qimageScaleAARGBA_helper(sptr, yap, Cy, sow, vyap, vCy);
+
+ const int xap = xapoints[x];
+ if (xap > 0) {
+ const __m128i vxap = _mm_set1_epi32(xap);
+ const __m128i vinvxap = _mm_sub_epi32(v256, vxap);
+ __m128i vr = qt_qimageScaleAARGBA_helper(sptr + 1, yap, Cy, sow, vyap, vCy);
+
+ vx = _mm_mullo_epi32(vx, vinvxap);
+ vr = _mm_mullo_epi32(vr, vxap);
+ vx = _mm_add_epi32(vx, vr);
+ vx = _mm_srli_epi32(vx, 8);
+ }
+ vx = _mm_srli_epi32(vx, 14);
+ vx = _mm_packus_epi32(vx, vx);
+ vx = _mm_packus_epi16(vx, vx);
+ *dptr = _mm_cvtsi128_si32(vx);
+ if (RGB)
+ *dptr |= 0xff000000;
+ dptr++;
}
- vx = _mm_srli_epi32(vx, 14);
- vx = _mm_packus_epi32(vx, _mm_setzero_si128());
- vx = _mm_packus_epi16(vx, _mm_setzero_si128());
- *dptr = _mm_cvtsi128_si32(vx);
- if (RGB)
- *dptr |= 0xff000000;
- dptr++;
}
- }
+ };
+ multithread_pixels_function(isi, dh, scaleSection);
}
template<bool RGB>
@@ -122,37 +120,40 @@ void qt_qimageScaleAARGBA_down_x_up_y_sse4(QImageScaleInfo *isi, unsigned int *d
const __m128i v256 = _mm_set1_epi32(256);
/* go through every scanline in the output buffer */
- for (int y = 0; y < dh; y++) {
- unsigned int *dptr = dest + (y * dow);
- for (int x = 0; x < dw; x++) {
- int Cx = xapoints[x] >> 16;
- int xap = xapoints[x] & 0xffff;
- const __m128i vCx = _mm_set1_epi32(Cx);
- const __m128i vxap = _mm_set1_epi32(xap);
-
- const unsigned int *sptr = ypoints[y] + xpoints[x];
- __m128i vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, vxap, vCx);
-
- int yap = yapoints[y];
- if (yap > 0) {
- const __m128i vyap = _mm_set1_epi32(yap);
- const __m128i vinvyap = _mm_sub_epi32(v256, vyap);
- __m128i vr = qt_qimageScaleAARGBA_helper(sptr + sow, xap, Cx, 1, vxap, vCx);
-
- vx = _mm_mullo_epi32(vx, vinvyap);
- vr = _mm_mullo_epi32(vr, vyap);
- vx = _mm_add_epi32(vx, vr);
- vx = _mm_srli_epi32(vx, 8);
+ auto scaleSection = [&] (int yStart, int yEnd) {
+ for (int y = yStart; y < yEnd; ++y) {
+ unsigned int *dptr = dest + (y * dow);
+ for (int x = 0; x < dw; x++) {
+ int Cx = xapoints[x] >> 16;
+ int xap = xapoints[x] & 0xffff;
+ const __m128i vCx = _mm_set1_epi32(Cx);
+ const __m128i vxap = _mm_set1_epi32(xap);
+
+ const unsigned int *sptr = ypoints[y] + xpoints[x];
+ __m128i vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, vxap, vCx);
+
+ int yap = yapoints[y];
+ if (yap > 0) {
+ const __m128i vyap = _mm_set1_epi32(yap);
+ const __m128i vinvyap = _mm_sub_epi32(v256, vyap);
+ __m128i vr = qt_qimageScaleAARGBA_helper(sptr + sow, xap, Cx, 1, vxap, vCx);
+
+ vx = _mm_mullo_epi32(vx, vinvyap);
+ vr = _mm_mullo_epi32(vr, vyap);
+ vx = _mm_add_epi32(vx, vr);
+ vx = _mm_srli_epi32(vx, 8);
+ }
+ vx = _mm_srli_epi32(vx, 14);
+ vx = _mm_packus_epi32(vx, vx);
+ vx = _mm_packus_epi16(vx, vx);
+ *dptr = _mm_cvtsi128_si32(vx);
+ if (RGB)
+ *dptr |= 0xff000000;
+ dptr++;
}
- vx = _mm_srli_epi32(vx, 14);
- vx = _mm_packus_epi32(vx, _mm_setzero_si128());
- vx = _mm_packus_epi16(vx, _mm_setzero_si128());
- *dptr = _mm_cvtsi128_si32(vx);
- if (RGB)
- *dptr |= 0xff000000;
- dptr++;
}
- }
+ };
+ multithread_pixels_function(isi, dh, scaleSection);
}
template<bool RGB>
@@ -164,42 +165,45 @@ void qt_qimageScaleAARGBA_down_xy_sse4(QImageScaleInfo *isi, unsigned int *dest,
int *xapoints = isi->xapoints;
int *yapoints = isi->yapoints;
- for (int y = 0; y < dh; y++) {
- int Cy = yapoints[y] >> 16;
- int yap = yapoints[y] & 0xffff;
- const __m128i vCy = _mm_set1_epi32(Cy);
- const __m128i vyap = _mm_set1_epi32(yap);
-
- unsigned int *dptr = dest + (y * dow);
- for (int x = 0; x < dw; x++) {
- const int Cx = xapoints[x] >> 16;
- const int xap = xapoints[x] & 0xffff;
- const __m128i vCx = _mm_set1_epi32(Cx);
- const __m128i vxap = _mm_set1_epi32(xap);
-
- const unsigned int *sptr = ypoints[y] + xpoints[x];
- __m128i vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, vxap, vCx);
- __m128i vr = _mm_mullo_epi32(_mm_srli_epi32(vx, 4), vyap);
-
- int j;
- for (j = (1 << 14) - yap; j > Cy; j -= Cy) {
+ auto scaleSection = [&] (int yStart, int yEnd) {
+ for (int y = yStart; y < yEnd; ++y) {
+ int Cy = yapoints[y] >> 16;
+ int yap = yapoints[y] & 0xffff;
+ const __m128i vCy = _mm_set1_epi32(Cy);
+ const __m128i vyap = _mm_set1_epi32(yap);
+
+ unsigned int *dptr = dest + (y * dow);
+ for (int x = 0; x < dw; x++) {
+ const int Cx = xapoints[x] >> 16;
+ const int xap = xapoints[x] & 0xffff;
+ const __m128i vCx = _mm_set1_epi32(Cx);
+ const __m128i vxap = _mm_set1_epi32(xap);
+
+ const unsigned int *sptr = ypoints[y] + xpoints[x];
+ __m128i vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, vxap, vCx);
+ __m128i vr = _mm_mullo_epi32(_mm_srli_epi32(vx, 4), vyap);
+
+ int j;
+ for (j = (1 << 14) - yap; j > Cy; j -= Cy) {
+ sptr += sow;
+ vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, vxap, vCx);
+ vr = _mm_add_epi32(vr, _mm_mullo_epi32(_mm_srli_epi32(vx, 4), vCy));
+ }
sptr += sow;
vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, vxap, vCx);
- vr = _mm_add_epi32(vr, _mm_mullo_epi32(_mm_srli_epi32(vx, 4), vCy));
+ vr = _mm_add_epi32(vr, _mm_mullo_epi32(_mm_srli_epi32(vx, 4), _mm_set1_epi32(j)));
+
+ vr = _mm_srli_epi32(vr, 24);
+ vr = _mm_packus_epi32(vr, _mm_setzero_si128());
+ vr = _mm_packus_epi16(vr, _mm_setzero_si128());
+ *dptr = _mm_cvtsi128_si32(vr);
+ if (RGB)
+ *dptr |= 0xff000000;
+ dptr++;
}
- sptr += sow;
- vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, vxap, vCx);
- vr = _mm_add_epi32(vr, _mm_mullo_epi32(_mm_srli_epi32(vx, 4), _mm_set1_epi32(j)));
-
- vr = _mm_srli_epi32(vr, 24);
- vr = _mm_packus_epi32(vr, _mm_setzero_si128());
- vr = _mm_packus_epi16(vr, _mm_setzero_si128());
- *dptr = _mm_cvtsi128_si32(vr);
- if (RGB)
- *dptr |= 0xff000000;
- dptr++;
}
- }
+ };
+ multithread_pixels_function(isi, dh, scaleSection);
}
template void qt_qimageScaleAARGBA_up_x_down_y_sse4<false>(QImageScaleInfo *isi, unsigned int *dest,
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 23:52:13 +0000