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image/qimage_sse2.cpp

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41 -

42 #include "qimage.h" -

43 #include <private/qimage_p.h> -

44 #include <private/qsimd_p.h> -

45 #include <private/qdrawhelper_p.h> -

46 #include <private/qdrawingprimitive_sse2_p.h> -

47 -

48 #ifdef QT_COMPILER_SUPPORTS_SSE2 -

49 -

50 QT_BEGIN_NAMESPACE -

51 -

52 bool convert_ARGB_to_ARGB_PM_inplace_sse2(QImageData *data, Qt::ImageConversionFlags) -

53 { -

Q_ASSERT(data->format == QImage::Format_ARGB32);

executed (the execution status of this line is deduced): qt_noop();

55 -

56 // extra pixels on each line -

const int spare = data->width & 3;

executed (the execution status of this line is deduced): const int spare = data->width & 3;

58 // width in pixels of the pad at the end of each line -

const int pad = (data->bytes_per_line >> 2) - data->width;

executed (the execution status of this line is deduced): const int pad = (data->bytes_per_line >> 2) - data->width;

const int iter = data->width >> 2;

executed (the execution status of this line is deduced): const int iter = data->width >> 2;

int height = data->height;

executed (the execution status of this line is deduced): int height = data->height;

62 -

const __m128i alphaMask = _mm_set1_epi32(0xff000000);

executed (the execution status of this line is deduced): const __m128i alphaMask = _mm_set1_epi32(0xff000000);

const __m128i nullVector = _mm_setzero_si128();

executed (the execution status of this line is deduced): const __m128i nullVector = _mm_setzero_si128();

const __m128i half = _mm_set1_epi16(0x80);

executed (the execution status of this line is deduced): const __m128i half = _mm_set1_epi16(0x80);

const __m128i colorMask = _mm_set1_epi32(0x00ff00ff);

executed (the execution status of this line is deduced): const __m128i colorMask = _mm_set1_epi32(0x00ff00ff);

67 -

__m128i *d = reinterpret_cast<__m128i*>(data->data);

executed (the execution status of this line is deduced): __m128i *d = reinterpret_cast<__m128i*>(data->data);

while (height--) {

evaluated: height--

TRUE	FALSE
yes Evaluation Count:656	yes Evaluation Count:13

13-656

const __m128i *end = d + iter;

executed (the execution status of this line is deduced): const __m128i *end = d + iter;

71 -

for (; d != end; ++d) {

evaluated: d != end

TRUE	FALSE
yes Evaluation Count:16960	yes Evaluation Count:656

656-16960

const __m128i srcVector = _mm_loadu_si128(d);

executed (the execution status of this line is deduced): const __m128i srcVector = _mm_loadu_si128(d);

const __m128i srcVectorAlpha = _mm_and_si128(srcVector, alphaMask);

executed (the execution status of this line is deduced): const __m128i srcVectorAlpha = _mm_and_si128(srcVector, alphaMask);

if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, alphaMask)) == 0xffff) {

evaluated: _mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, alphaMask)) == 0xffff

TRUE	FALSE
yes Evaluation Count:2390	yes Evaluation Count:14570

2390-14570

76 // opaque, data is unchanged -

} else if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, nullVector)) == 0xffff) {

executed: }

Execution Count:2390

evaluated: _mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, nullVector)) == 0xffff

TRUE	FALSE
yes Evaluation Count:1786	yes Evaluation Count:12784

1786-12784

78 // fully transparent -

_mm_storeu_si128(d, nullVector);

executed (the execution status of this line is deduced): _mm_storeu_si128(d, nullVector);

} else {

executed: }

Execution Count:1786

1786

__m128i alphaChannel = _mm_srli_epi32(srcVector, 24);

executed (the execution status of this line is deduced): __m128i alphaChannel = _mm_srli_epi32(srcVector, 24);

alphaChannel = _mm_or_si128(alphaChannel, _mm_slli_epi32(alphaChannel, 16));

executed (the execution status of this line is deduced): alphaChannel = _mm_or_si128(alphaChannel, _mm_slli_epi32(alphaChannel, 16));

83 -

__m128i result;

executed (the execution status of this line is deduced): __m128i result;

BYTE_MUL_SSE2(result, srcVector, alphaChannel, colorMask, half);

executed (the execution status of this line is deduced):

 { __m128i pixelVectorAG = _mm_srli_epi16(srcVector, 8); __m128i pixelVectorRB = _mm_and_si128(srcVector, colorMask); pixelVectorAG = _mm_mullo_epi16(pixelVectorAG, alphaChannel); pixelVectorRB = _mm_mullo_epi16(pixelVectorRB, alphaChannel); pixelVectorRB = _mm_add_epi16(pixelVectorRB, _mm_srli_epi16(pixelVectorRB, 8)); pixelVectorRB = _mm_add_epi16(pixelVectorRB, half); pixelVectorAG = _mm_add_epi16(pixelVectorAG, _mm_srli_epi16(pixelVectorAG, 8)); pixelVectorAG = _mm_add_epi16(pixelVectorAG, half); pixelVectorRB = _mm_srli_epi16(pixelVectorRB, 8); pixelVectorAG = _mm_andnot_si128(colorMask, pixelVectorAG); result = _mm_or_si128(pixelVectorAG, pixelVectorRB); };

result = _mm_or_si128(_mm_andnot_si128(alphaMask, result), srcVectorAlpha);

executed (the execution status of this line is deduced): result = _mm_or_si128(_mm_andnot_si128(alphaMask, result), srcVectorAlpha);

_mm_storeu_si128(d, result);

executed (the execution status of this line is deduced): _mm_storeu_si128(d, result);

}

executed: }

Execution Count:12784

12784

89 } -

90 -

QRgb *p = reinterpret_cast<QRgb*>(d);

executed (the execution status of this line is deduced): QRgb *p = reinterpret_cast<QRgb*>(d);