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Diffstat (limited to 'src/gui/painting/qimagescale_sse4.cpp')
-rw-r--r--src/gui/painting/qimagescale_sse4.cpp246
1 files changed, 157 insertions, 89 deletions
diff --git a/src/gui/painting/qimagescale_sse4.cpp b/src/gui/painting/qimagescale_sse4.cpp
index 5861a2e2ff..902ae61ed2 100644
--- a/src/gui/painting/qimagescale_sse4.cpp
+++ b/src/gui/painting/qimagescale_sse4.cpp
@@ -42,6 +42,11 @@
#include <private/qdrawhelper_x86_p.h>
#include <private/qsimd_p.h>
+#if QT_CONFIG(thread)
+#include "qsemaphore.h"
+#include "qthreadpool.h"
+#endif
+
#if defined(QT_COMPILER_SUPPORTS_SSE4_1)
QT_BEGIN_NAMESPACE
@@ -70,44 +75,65 @@ 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);
+ 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);
- vx = _mm_mullo_epi32(vx, vinvxap);
- vr = _mm_mullo_epi32(vr, vxap);
- vx = _mm_add_epi32(vx, vr);
- vx = _mm_srli_epi32(vx, 8);
+ 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++;
}
+ };
+#if QT_CONFIG(thread)
+ int segments = (qsizetype(isi->sh) * isi->sw) / (1<<16);
+ segments = std::min(segments, dh);
+ if (segments > 1) {
+ QSemaphore semaphore;
+ int y = 0;
+ for (int i = 0; i < segments; ++i) {
+ int yn = (dh - y) / (segments - i);
+ QThreadPool::globalInstance()->start([&, y, yn]() {
+ scaleSection(y, y + yn);
+ semaphore.release(1);
+ });
+ y += yn;
+ }
+ semaphore.acquire(segments);
+ return;
}
+#endif
+ scaleSection(0, dh);
}
template<bool RGB>
@@ -122,37 +148,58 @@ 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++;
}
+ };
+#if QT_CONFIG(thread)
+ int segments = (qsizetype(isi->sh) * isi->sw) / (1<<16);
+ segments = std::min(segments, dh);
+ if (segments > 1) {
+ QSemaphore semaphore;
+ int y = 0;
+ for (int i = 0; i < segments; ++i) {
+ int yn = (dh - y) / (segments - i);
+ QThreadPool::globalInstance()->start([&, y, yn]() {
+ scaleSection(y, y + yn);
+ semaphore.release(1);
+ });
+ y += yn;
+ }
+ semaphore.acquire(segments);
+ return;
}
+#endif
+ scaleSection(0, dh);
}
template<bool RGB>
@@ -164,42 +211,63 @@ 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++;
}
+ };
+#if QT_CONFIG(thread)
+ int segments = (qsizetype(isi->sh) * isi->sw) / (1<<16);
+ segments = std::min(segments, dh);
+ if (segments > 1) {
+ QSemaphore semaphore;
+ int y = 0;
+ for (int i = 0; i < segments; ++i) {
+ int yn = (dh - y) / (segments - i);
+ QThreadPool::globalInstance()->start([&, y, yn]() {
+ scaleSection(y, y + yn);
+ semaphore.release(1);
+ });
+ y += yn;
+ }
+ semaphore.acquire(segments);
+ return;
}
+#endif
+ scaleSection(0, dh);
}
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 2024-04-19 08:21:54 +0000