diff options
Diffstat (limited to 'src/gui/painting/qimagescale_sse4.cpp')
| -rw-r--r-- | src/gui/painting/qimagescale_sse4.cpp | 42 |
1 files changed, 14 insertions, 28 deletions
diff --git a/src/gui/painting/qimagescale_sse4.cpp b/src/gui/painting/qimagescale_sse4.cpp index 303e0fd980..8712b5d324 100644 --- a/src/gui/painting/qimagescale_sse4.cpp +++ b/src/gui/painting/qimagescale_sse4.cpp @@ -59,7 +59,6 @@ inline static __m128i qt_qimageScaleAARGBA_helper(const unsigned int *pix, int x template<bool RGB> void qt_qimageScaleAARGBA_up_x_down_y_sse4(QImageScaleInfo *isi, unsigned int *dest, - int dxx, int dyy, int dx, int dy, int dw, int dh, int dow, int sow) { const unsigned int **ypoints = isi->ypoints; @@ -67,20 +66,18 @@ void qt_qimageScaleAARGBA_up_x_down_y_sse4(QImageScaleInfo *isi, unsigned int *d int *xapoints = isi->xapoints; int *yapoints = isi->yapoints; - int end = dxx + dw; - 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[dyy + y]) >> 16; - int yap = (yapoints[dyy + y]) & 0xffff; + 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 + dx + ((y + dy) * dow); - for (int x = dxx; x < end; x++) { - const unsigned int *sptr = ypoints[dyy + y] + xpoints[x]; + 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]; @@ -107,7 +104,6 @@ void qt_qimageScaleAARGBA_up_x_down_y_sse4(QImageScaleInfo *isi, unsigned int *d template<bool RGB> void qt_qimageScaleAARGBA_down_x_up_y_sse4(QImageScaleInfo *isi, unsigned int *dest, - int dxx, int dyy, int dx, int dy, int dw, int dh, int dow, int sow) { const unsigned int **ypoints = isi->ypoints; @@ -115,23 +111,21 @@ void qt_qimageScaleAARGBA_down_x_up_y_sse4(QImageScaleInfo *isi, unsigned int *d int *xapoints = isi->xapoints; int *yapoints = isi->yapoints; - int end = dxx + dw; - 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 + dx + ((y + dy) * dow); - for (int x = dxx; x < end; x++) { + 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[dyy + y] + xpoints[x]; + const unsigned int *sptr = ypoints[y] + xpoints[x]; __m128i vx = qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, vxap, vCx); - int yap = yapoints[dyy + y]; + int yap = yapoints[y]; if (yap > 0) { const __m128i vyap = _mm_set1_epi32(yap); const __m128i vinvyap = _mm_sub_epi32(v256, vyap); @@ -155,7 +149,6 @@ void qt_qimageScaleAARGBA_down_x_up_y_sse4(QImageScaleInfo *isi, unsigned int *d template<bool RGB> void qt_qimageScaleAARGBA_down_xy_sse4(QImageScaleInfo *isi, unsigned int *dest, - int dxx, int dyy, int dx, int dy, int dw, int dh, int dow, int sow) { const unsigned int **ypoints = isi->ypoints; @@ -164,20 +157,19 @@ void qt_qimageScaleAARGBA_down_xy_sse4(QImageScaleInfo *isi, unsigned int *dest, int *yapoints = isi->yapoints; for (int y = 0; y < dh; y++) { - int Cy = (yapoints[dyy + y]) >> 16; - int yap = (yapoints[dyy + y]) & 0xffff; + 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 + dx + ((y + dy) * dow); - int end = dxx + dw; - for (int x = dxx; x < end; x++) { + 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[dyy + y] + xpoints[x]; + 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); @@ -203,27 +195,21 @@ void qt_qimageScaleAARGBA_down_xy_sse4(QImageScaleInfo *isi, unsigned int *dest, } template void qt_qimageScaleAARGBA_up_x_down_y_sse4<false>(QImageScaleInfo *isi, unsigned int *dest, - int dxx, int dyy, int dx, int dy, int dw, int dh, int dow, int sow); template void qt_qimageScaleAARGBA_up_x_down_y_sse4<true>(QImageScaleInfo *isi, unsigned int *dest, - int dxx, int dyy, int dx, int dy, int dw, int dh, int dow, int sow); template void qt_qimageScaleAARGBA_down_x_up_y_sse4<false>(QImageScaleInfo *isi, unsigned int *dest, - int dxx, int dyy, int dx, int dy, int dw, int dh, int dow, int sow); template void qt_qimageScaleAARGBA_down_x_up_y_sse4<true>(QImageScaleInfo *isi, unsigned int *dest, - int dxx, int dyy, int dx, int dy, int dw, int dh, int dow, int sow); template void qt_qimageScaleAARGBA_down_xy_sse4<false>(QImageScaleInfo *isi, unsigned int *dest, - int dxx, int dyy, int dx, int dy, int dw, int dh, int dow, int sow); template void qt_qimageScaleAARGBA_down_xy_sse4<true>(QImageScaleInfo *isi, unsigned int *dest, - int dxx, int dyy, int dx, int dy, int dw, int dh, int dow, int sow); QT_END_NAMESPACE |