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Use RasterPipeline to support full precision on 16-bit RGBA pngs

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Reland of Original Change:
https://skia-review.googlesource.com/6260

CQ_INCLUDE_TRYBOTS=skia.primary:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD

Change-Id: I809984dd9af225103bfbe83492a17c19da7c5e40
Reviewed-on: https://skia-review.googlesource.com/6980
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>
This commit is contained in:
Matt Sarett 2017-01-12 18:34:29 -05:00 committed by Skia Commit-Bot
parent ac42aebb7b
commit 379938e47b
13 changed files with 394 additions and 364 deletions
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9
include/core/SkColorSpaceXform.h
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@ -27,8 +27,12 @@ public:
enum ColorFormat {
kRGBA_8888_ColorFormat,
kBGRA_8888_ColorFormat,
kRGBA_F16_ColorFormat,
kRGBA_F32_ColorFormat,
// Unsigned, big-endian, 16-bit integer
kRGBA_U16_BE_ColorFormat, // Src only
kRGBA_F16_ColorFormat, // Dst only
kRGBA_F32_ColorFormat, // Dst only
};
/**
@ -42,7 +46,6 @@ public:
* @param len Number of pixels in the buffers
* @param dstColorFormat Describes color format of |dst|
* @param srcColorFormat Describes color format of |src|
* Must be kRGBA_8888 or kBGRA_8888
* @param alphaType Describes alpha properties of the |dst| (and |src|)
* kUnpremul preserves input alpha values
* kPremul performs a premultiplication and also preserves alpha values

2
infra/bots/assets/skimage/VERSION
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@ -1 +1 @@
17
18

356
infra/bots/tasks.json
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File diff suppressed because it is too large Load Diff

35
src/codec/SkPngCodec.cpp
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@ -419,16 +419,28 @@ void SkPngCodec::allocateStorage(const SkImageInfo& dstInfo) {
// be created later if we are sampling. We'll go ahead and allocate
// enough memory to swizzle if necessary.
case kSwizzleColor_XformMode: {
const size_t colorXformBytes = dstInfo.width() * sizeof(uint32_t);
const size_t bpp = (this->getEncodedInfo().bitsPerPixel() > 32) ? 8 : 4;
const size_t colorXformBytes = dstInfo.width() * bpp;
fStorage.reset(colorXformBytes);
fColorXformSrcRow = (uint32_t*) fStorage.get();
fColorXformSrcRow = fStorage.get();
break;
}
}
}
static SkColorSpaceXform::ColorFormat png_select_xform_format(const SkEncodedInfo& info) {
// We always use kRGBA because color PNGs are always RGB or RGBA.
// TODO (msarett): Support kRGB_U16 inputs as well.
if (16 == info.bitsPerComponent() && SkEncodedInfo::kRGBA_Color == info.color()) {
return SkColorSpaceXform::kRGBA_U16_BE_ColorFormat;
}
return SkColorSpaceXform::kRGBA_8888_ColorFormat;
}
void SkPngCodec::applyXformRow(void* dst, const void* src) {
const SkColorSpaceXform::ColorFormat srcColorFormat = select_xform_format(kXformSrcColorType);
const SkColorSpaceXform::ColorFormat srcColorFormat =
png_select_xform_format(this->getEncodedInfo());
switch (fXformMode) {
case kSwizzleOnly_XformMode:
fSwizzler->swizzle(dst, (const uint8_t*) src);
@ -1073,10 +1085,10 @@ bool SkPngCodec::initializeXforms(const SkImageInfo& dstInfo, const Options& opt
return false;
}
// If the image is 32-bit RGBA and we have a color xform, we can skip the swizzler.
if (this->colorXform() && SkEncodedInfo::kRGBA_Color == this->getEncodedInfo().color() &&
8 == this->getEncodedInfo().bitsPerComponent() && !options.fSubset)
{
// If the image is RGBA and we have a color xform, we can skip the swizzler.
const bool skipFormatConversion = this->colorXform() &&
SkEncodedInfo::kRGBA_Color == this->getEncodedInfo().color();
if (skipFormatConversion && !options.fSubset) {
fXformMode = kColorOnly_XformMode;
return true;
}
@ -1090,7 +1102,7 @@ bool SkPngCodec::initializeXforms(const SkImageInfo& dstInfo, const Options& opt
// Copy the color table to the client if they request kIndex8 mode.
copy_color_table(dstInfo, fColorTable.get(), ctable, ctableCount);
this->initializeSwizzler(dstInfo, options);
this->initializeSwizzler(dstInfo, options, skipFormatConversion);
return true;
}
@ -1113,7 +1125,8 @@ void SkPngCodec::initializeXformParams() {
}
}
void SkPngCodec::initializeSwizzler(const SkImageInfo& dstInfo, const Options& options) {
void SkPngCodec::initializeSwizzler(const SkImageInfo& dstInfo, const Options& options,
bool skipFormatConversion) {
SkImageInfo swizzlerInfo = dstInfo;
Options swizzlerOptions = options;
fXformMode = kSwizzleOnly_XformMode;
@ -1135,7 +1148,7 @@ void SkPngCodec::initializeSwizzler(const SkImageInfo& dstInfo, const Options& o
const SkPMColor* colors = get_color_ptr(fColorTable.get());
fSwizzler.reset(SkSwizzler::CreateSwizzler(this->getEncodedInfo(), colors, swizzlerInfo,
swizzlerOptions));
swizzlerOptions, nullptr, skipFormatConversion));
SkASSERT(fSwizzler);
}
@ -1144,7 +1157,7 @@ SkSampler* SkPngCodec::getSampler(bool createIfNecessary) {
return fSwizzler.get();
}
this->initializeSwizzler(this->dstInfo(), this->options());
this->initializeSwizzler(this->dstInfo(), this->options(), true);
return fSwizzler.get();
}

4
src/codec/SkPngCodec.h
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@ -99,7 +99,7 @@ protected:
sk_sp<SkColorTable> fColorTable; // May be unpremul.
std::unique_ptr<SkSwizzler> fSwizzler;
SkAutoTMalloc<uint8_t> fStorage;
uint32_t* fColorXformSrcRow;
void* fColorXformSrcRow;
const int fBitDepth;
private:
@ -119,7 +119,7 @@ private:
// Helper to set up swizzler, color xforms, and color table. Also calls png_read_update_info.
bool initializeXforms(const SkImageInfo& dstInfo, const Options&, SkPMColor* colorPtr,
int* colorCount);
void initializeSwizzler(const SkImageInfo& dstInfo, const Options&);
void initializeSwizzler(const SkImageInfo& dstInfo, const Options&, bool skipFormatConversion);
void allocateStorage(const SkImageInfo& dstInfo);
void destroyReadStruct();

28
src/codec/SkSwizzler.cpp
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@ -51,6 +51,16 @@ static void sample4(void* dst, const uint8_t* src, int width, int bpp, int delta
}
}
static void sample8(void* dst, const uint8_t* src, int width, int bpp, int deltaSrc, int offset,
const SkPMColor ctable[]) {
src += offset;
uint64_t* dst64 = (uint64_t*) dst;
for (int x = 0; x < width; x++) {
dst64[x] = *((const uint64_t*) src);
src += deltaSrc;
}
}
// kBit
// These routines exclusively choose between white and black
@ -796,7 +806,10 @@ SkSwizzler* SkSwizzler::CreateSwizzler(const SkEncodedInfo& encodedInfo,
RowProc fastProc = nullptr;
RowProc proc = nullptr;
int srcBPP;
const int dstBPP = SkColorTypeBytesPerPixel(dstInfo.colorType());
if (skipFormatConversion) {
srcBPP = dstBPP;
switch (dstInfo.colorType()) {
case kGray_8_SkColorType:
proc = &sample1;
@ -808,7 +821,14 @@ SkSwizzler* SkSwizzler::CreateSwizzler(const SkEncodedInfo& encodedInfo,
break;
case kRGBA_8888_SkColorType:
case kBGRA_8888_SkColorType:
proc = &sample4;
SkASSERT(16 == encodedInfo.bitsPerComponent() ||
8 == encodedInfo.bitsPerComponent());
if (8 == encodedInfo.bitsPerComponent()) {
proc = &sample4;
} else {
srcBPP = 8;
proc = &sample8;
}
fastProc = &copy;
break;
default:
@ -1137,13 +1157,7 @@ SkSwizzler* SkSwizzler::CreateSwizzler(const SkEncodedInfo& encodedInfo,
default:
return nullptr;
}
}
int srcBPP;
const int dstBPP = SkColorTypeBytesPerPixel(dstInfo.colorType());
if (skipFormatConversion) {
srcBPP = dstBPP;
} else {
// Store bpp in bytes if it is an even multiple, otherwise use bits
uint8_t bitsPerPixel = encodedInfo.bitsPerPixel();
srcBPP = SkIsAlign8(bitsPerPixel) ? bitsPerPixel / 8 : bitsPerPixel;

241
src/core/SkColorSpaceXform.cpp
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@ -327,110 +327,14 @@ std::unique_ptr<SkColorSpaceXform> SkColorSpaceXform::New(SkColorSpace* srcSpace
switch (csm) {
case kNone_ColorSpaceMatch:
switch (dstSpaceXYZ->gammaNamed()) {
case kSRGB_SkGammaNamed:
if (srcSpaceXYZ->gammaIsLinear()) {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kLinear_SrcGamma, kSRGB_DstGamma, kNone_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
} else {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, kSRGB_DstGamma, kNone_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
}
case k2Dot2Curve_SkGammaNamed:
if (srcSpaceXYZ->gammaIsLinear()) {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kLinear_SrcGamma, k2Dot2_DstGamma, kNone_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
} else {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, k2Dot2_DstGamma, kNone_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
}
case kLinear_SkGammaNamed:
if (srcSpaceXYZ->gammaIsLinear()) {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kLinear_SrcGamma, kLinear_DstGamma, kNone_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
} else {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, kLinear_DstGamma, kNone_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
}
default:
if (srcSpaceXYZ->gammaIsLinear()) {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kLinear_SrcGamma, kTable_DstGamma, kNone_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
} else {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, kTable_DstGamma, kNone_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
}
}
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kNone_ColorSpaceMatch>(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
case kGamut_ColorSpaceMatch:
switch (dstSpaceXYZ->gammaNamed()) {
case kSRGB_SkGammaNamed:
if (srcSpaceXYZ->gammaIsLinear()) {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kLinear_SrcGamma, kSRGB_DstGamma, kGamut_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
} else {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, kSRGB_DstGamma, kGamut_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
}
case k2Dot2Curve_SkGammaNamed:
if (srcSpaceXYZ->gammaIsLinear()) {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kLinear_SrcGamma, k2Dot2_DstGamma, kGamut_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
} else {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, k2Dot2_DstGamma, kGamut_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
}
case kLinear_SkGammaNamed:
if (srcSpaceXYZ->gammaIsLinear()) {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kLinear_SrcGamma, kLinear_DstGamma, kGamut_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
} else {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, kLinear_DstGamma, kGamut_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
}
default:
if (srcSpaceXYZ->gammaIsLinear()) {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kLinear_SrcGamma, kTable_DstGamma, kGamut_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
} else {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, kTable_DstGamma, kGamut_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
}
}
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kGamut_ColorSpaceMatch>(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
case kFull_ColorSpaceMatch:
switch (dstSpaceXYZ->gammaNamed()) {
case kSRGB_SkGammaNamed:
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, kSRGB_DstGamma, kFull_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
case k2Dot2Curve_SkGammaNamed:
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, k2Dot2_DstGamma, kFull_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
case kLinear_SkGammaNamed:
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kLinear_SrcGamma, kLinear_DstGamma, kFull_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
default:
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, kTable_DstGamma, kFull_ColorSpaceMatch>
(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
}
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kFull_ColorSpaceMatch>(srcSpaceXYZ, srcToDst, dstSpaceXYZ));
default:
SkASSERT(false);
return nullptr;
@ -1065,8 +969,8 @@ static AI int num_tables(SkColorSpace_XYZ* space) {
}
}
template <SrcGamma kSrc, DstGamma kDst, ColorSpaceMatch kCSM>
SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
template <ColorSpaceMatch kCSM>
SkColorSpaceXform_XYZ<kCSM>
::SkColorSpaceXform_XYZ(SkColorSpace_XYZ* srcSpace, const SkMatrix44& srcToDst,
SkColorSpace_XYZ* dstSpace)
{
@ -1093,6 +997,29 @@ SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
const int numDstTables = num_tables(dstSpace);
dstSpace->toDstGammaTables(fDstGammaTables, &fDstStorage, numDstTables);
if (srcSpace->gammaIsLinear()) {
fSrcGamma = kLinear_SrcGamma;
} else if (kSRGB_SkGammaNamed == srcSpace->gammaNamed()) {
fSrcGamma = kSRGB_SrcGamma;
} else {
fSrcGamma = kTable_SrcGamma;
}
switch (dstSpace->gammaNamed()) {
case kSRGB_SkGammaNamed:
fDstGamma = kSRGB_DstGamma;
break;
case k2Dot2Curve_SkGammaNamed:
fDstGamma = k2Dot2_DstGamma;
break;
case kLinear_SkGammaNamed:
fDstGamma = kLinear_DstGamma;
break;
default:
fDstGamma = kTable_DstGamma;
break;
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////
@ -1119,27 +1046,28 @@ static AI bool apply_set_alpha(void* dst, const void* src, int len, SkAlphaType
}
}
template <SrcGamma kSrc, DstFormat kDst, ColorSpaceMatch kCSM>
template <DstFormat kDst, ColorSpaceMatch kCSM>
static AI bool apply_set_src(void* dst, const void* src, int len, SkAlphaType alphaType,
const float* const srcTables[3], const float matrix[13],
const uint8_t* const dstTables[3],
SkColorSpaceXform::ColorFormat srcColorFormat) {
SkColorSpaceXform::ColorFormat srcColorFormat,
SrcGamma srcGamma) {
switch (srcColorFormat) {
case SkColorSpaceXform::kRGBA_8888_ColorFormat:
switch (kSrc) {
switch (srcGamma) {
case kLinear_SrcGamma:
return apply_set_alpha<kRGBA_8888_Linear_SrcFormat, kDst, kCSM>
(dst, src, len, alphaType, nullptr, matrix, dstTables);
case kTable_SrcGamma:
default:
return apply_set_alpha<kRGBA_8888_Table_SrcFormat, kDst, kCSM>
(dst, src, len, alphaType, srcTables, matrix, dstTables);
}
case SkColorSpaceXform::kBGRA_8888_ColorFormat:
switch (kSrc) {
switch (srcGamma) {
case kLinear_SrcGamma:
return apply_set_alpha<kBGRA_8888_Linear_SrcFormat, kDst, kCSM>
(dst, src, len, alphaType, nullptr, matrix, dstTables);
case kTable_SrcGamma:
default:
return apply_set_alpha<kBGRA_8888_Table_SrcFormat, kDst, kCSM>
(dst, src, len, alphaType, srcTables, matrix, dstTables);
}
@ -1150,8 +1078,8 @@ static AI bool apply_set_src(void* dst, const void* src, int len, SkAlphaType al
#undef AI
template <SrcGamma kSrc, DstGamma kDst, ColorSpaceMatch kCSM>
bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
template <ColorSpaceMatch kCSM>
bool SkColorSpaceXform_XYZ<kCSM>
::onApply(ColorFormat dstColorFormat, void* dst, ColorFormat srcColorFormat, const void* src,
int len, SkAlphaType alphaType) const
{
@ -1176,55 +1104,55 @@ bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
}
}
if (kRGBA_F32_ColorFormat == dstColorFormat) {
if (kRGBA_F32_ColorFormat == dstColorFormat || kRGBA_U16_BE_ColorFormat == srcColorFormat) {
return this->applyPipeline(dstColorFormat, dst, srcColorFormat, src, len, alphaType);
}
switch (dstColorFormat) {
case kRGBA_8888_ColorFormat:
switch (kDst) {
switch (fDstGamma) {
case kLinear_DstGamma:
return apply_set_src<kSrc, kRGBA_8888_Linear_DstFormat, kCSM>
return apply_set_src<kRGBA_8888_Linear_DstFormat, kCSM>
(dst, src, len, alphaType, fSrcGammaTables, fSrcToDst, nullptr,
srcColorFormat);
srcColorFormat, fSrcGamma);
case kSRGB_DstGamma:
return apply_set_src<kSrc, kRGBA_8888_SRGB_DstFormat, kCSM>
return apply_set_src<kRGBA_8888_SRGB_DstFormat, kCSM>
(dst, src, len, alphaType, fSrcGammaTables, fSrcToDst, nullptr,
srcColorFormat);
srcColorFormat, fSrcGamma);
case k2Dot2_DstGamma:
return apply_set_src<kSrc, kRGBA_8888_2Dot2_DstFormat, kCSM>
return apply_set_src<kRGBA_8888_2Dot2_DstFormat, kCSM>
(dst, src, len, alphaType, fSrcGammaTables, fSrcToDst, nullptr,
srcColorFormat);
srcColorFormat, fSrcGamma);
case kTable_DstGamma:
return apply_set_src<kSrc, kRGBA_8888_Table_DstFormat, kCSM>
return apply_set_src<kRGBA_8888_Table_DstFormat, kCSM>
(dst, src, len, alphaType, fSrcGammaTables, fSrcToDst, fDstGammaTables,
srcColorFormat);
srcColorFormat, fSrcGamma);
}
case kBGRA_8888_ColorFormat:
switch (kDst) {
switch (fDstGamma) {
case kLinear_DstGamma:
return apply_set_src<kSrc, kBGRA_8888_Linear_DstFormat, kCSM>
return apply_set_src<kBGRA_8888_Linear_DstFormat, kCSM>
(dst, src, len, alphaType, fSrcGammaTables, fSrcToDst, nullptr,
srcColorFormat);
srcColorFormat, fSrcGamma);
case kSRGB_DstGamma:
return apply_set_src<kSrc, kBGRA_8888_SRGB_DstFormat, kCSM>
return apply_set_src<kBGRA_8888_SRGB_DstFormat, kCSM>
(dst, src, len, alphaType, fSrcGammaTables, fSrcToDst, nullptr,
srcColorFormat);
srcColorFormat, fSrcGamma);
case k2Dot2_DstGamma:
return apply_set_src<kSrc, kBGRA_8888_2Dot2_DstFormat, kCSM>
return apply_set_src<kBGRA_8888_2Dot2_DstFormat, kCSM>
(dst, src, len, alphaType, fSrcGammaTables, fSrcToDst, nullptr,
srcColorFormat);
srcColorFormat, fSrcGamma);
case kTable_DstGamma:
return apply_set_src<kSrc, kBGRA_8888_Table_DstFormat, kCSM>
return apply_set_src<kBGRA_8888_Table_DstFormat, kCSM>
(dst, src, len, alphaType, fSrcGammaTables, fSrcToDst, fDstGammaTables,
srcColorFormat);
srcColorFormat, fSrcGamma);
}
case kRGBA_F16_ColorFormat:
switch (kDst) {
switch (fDstGamma) {
case kLinear_DstGamma:
return apply_set_src<kSrc, kF16_Linear_DstFormat, kCSM>
return apply_set_src<kF16_Linear_DstFormat, kCSM>
(dst, src, len, alphaType, fSrcGammaTables, fSrcToDst, nullptr,
srcColorFormat);
srcColorFormat, fSrcGamma);
default:
return false;
}
@ -1242,8 +1170,8 @@ bool SkColorSpaceXform::apply(ColorFormat dstColorFormat, void* dst, ColorFormat
///////////////////////////////////////////////////////////////////////////////////////////////////
template <SrcGamma kSrc, DstGamma kDst, ColorSpaceMatch kCSM>
bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
template <ColorSpaceMatch kCSM>
bool SkColorSpaceXform_XYZ<kCSM>
::applyPipeline(ColorFormat dstColorFormat, void* dst, ColorFormat srcColorFormat,
const void* src, int len, SkAlphaType alphaType) const {
SkRasterPipeline pipeline;
@ -1251,10 +1179,10 @@ bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
LoadTablesContext loadTables;
switch (srcColorFormat) {
case kRGBA_8888_ColorFormat:
if (kLinear_SrcGamma == kSrc) {
if (kLinear_SrcGamma == fSrcGamma) {
pipeline.append(SkRasterPipeline::load_8888, &src);
} else {
loadTables.fSrc = (const uint32_t*) src;
loadTables.fSrc = src;
loadTables.fR = fSrcGammaTables[0];
loadTables.fG = fSrcGammaTables[1];
loadTables.fB = fSrcGammaTables[2];
@ -1263,10 +1191,10 @@ bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
break;
case kBGRA_8888_ColorFormat:
if (kLinear_SrcGamma == kSrc) {
if (kLinear_SrcGamma == fSrcGamma) {
pipeline.append(SkRasterPipeline::load_8888, &src);
} else {
loadTables.fSrc = (const uint32_t*) src;
loadTables.fSrc = src;
loadTables.fR = fSrcGammaTables[2];
loadTables.fG = fSrcGammaTables[1];
loadTables.fB = fSrcGammaTables[0];
@ -1275,6 +1203,24 @@ bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
pipeline.append(SkRasterPipeline::swap_rb);
break;
case kRGBA_U16_BE_ColorFormat:
switch (fSrcGamma) {
case kLinear_SrcGamma:
pipeline.append(SkRasterPipeline::load_u16_be, &src);
break;
case kSRGB_SrcGamma:
pipeline.append(SkRasterPipeline::load_u16_be, &src);
pipeline.append_from_srgb(kUnpremul_SkAlphaType);
break;
case kTable_SrcGamma:
loadTables.fSrc = src;
loadTables.fR = fSrcGammaTables[0];
loadTables.fG = fSrcGammaTables[1];
loadTables.fB = fSrcGammaTables[2];
pipeline.append(SkRasterPipeline::load_tables_u16_be, &loadTables);
break;
}
break;
default:
return false;
}
@ -1296,7 +1242,7 @@ bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
}
StoreTablesContext storeTables;
switch (kDst) {
switch (fDstGamma) {
case kSRGB_DstGamma:
pipeline.append(SkRasterPipeline::to_srgb);
break;
@ -1309,7 +1255,7 @@ bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
switch (dstColorFormat) {
case kRGBA_8888_ColorFormat:
if (kTable_DstGamma == kDst) {
if (kTable_DstGamma == fDstGamma) {
storeTables.fDst = (uint32_t*) dst;
storeTables.fR = fDstGammaTables[0];
storeTables.fG = fDstGammaTables[1];
@ -1321,7 +1267,7 @@ bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
}
break;
case kBGRA_8888_ColorFormat:
if (kTable_DstGamma == kDst) {
if (kTable_DstGamma == fDstGamma) {
storeTables.fDst = (uint32_t*) dst;
storeTables.fR = fDstGammaTables[2];
storeTables.fG = fDstGammaTables[1];
@ -1335,17 +1281,19 @@ bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
}
break;
case kRGBA_F16_ColorFormat:
if (kLinear_DstGamma != kDst) {
if (kLinear_DstGamma != fDstGamma) {
return false;
}
pipeline.append(SkRasterPipeline::store_f16, &dst);
break;
case kRGBA_F32_ColorFormat:
if (kLinear_DstGamma != kDst) {
if (kLinear_DstGamma != fDstGamma) {
return false;
}
pipeline.append(SkRasterPipeline::store_f32, &dst);
break;
default:
return false;
}
pipeline.run(0, 0, len);
@ -1356,6 +1304,5 @@ bool SkColorSpaceXform_XYZ<kSrc, kDst, kCSM>
std::unique_ptr<SkColorSpaceXform> SlowIdentityXform(SkColorSpace_XYZ* space) {
return std::unique_ptr<SkColorSpaceXform>(new SkColorSpaceXform_XYZ
<kTable_SrcGamma, kTable_DstGamma, kNone_ColorSpaceMatch>
(space, SkMatrix::I(), space));
<kNone_ColorSpaceMatch>(space, SkMatrix::I(), space));
}

5
src/core/SkColorSpaceXform_A2B.cpp
View File

@ -32,6 +32,9 @@ bool SkColorSpaceXform_A2B::onApply(ColorFormat dstFormat, void* dst, ColorForma
case kRGBA_8888_ColorFormat:
pipeline.append(SkRasterPipeline::load_8888, &src);
break;
case kRGBA_U16_BE_ColorFormat:
pipeline.append(SkRasterPipeline::load_u16_be, &src);
break;
default:
SkCSXformPrintf("F16/F32 source color format not supported\n");
return false;
@ -63,6 +66,8 @@ bool SkColorSpaceXform_A2B::onApply(ColorFormat dstFormat, void* dst, ColorForma
}
pipeline.append(SkRasterPipeline::store_f32, &dst);
break;
default:
return false;
}
pipeline.run(0,0, count);

24
src/core/SkColorSpaceXform_Base.h
View File

@ -34,6 +34,7 @@ private:
enum SrcGamma {
kLinear_SrcGamma,
kTable_SrcGamma,
kSRGB_SrcGamma,
};
enum DstGamma {
@ -49,7 +50,7 @@ enum ColorSpaceMatch {
kFull_ColorSpaceMatch,
};
template <SrcGamma kSrc, DstGamma kDst, ColorSpaceMatch kCSM>
template <ColorSpaceMatch kCSM>
class SkColorSpaceXform_XYZ : public SkColorSpaceXform_Base {
protected:
bool onApply(ColorFormat dstFormat, void* dst, ColorFormat srcFormat, const void* src,
@ -63,23 +64,26 @@ private:
SkColorSpace_XYZ* dstSpace);
// Contain pointers into storage or pointers into precomputed tables.
const float* fSrcGammaTables[3];
SkAutoTMalloc<float> fSrcStorage;
const uint8_t* fDstGammaTables[3];
sk_sp<SkData> fDstStorage;
const float* fSrcGammaTables[3];
SkAutoTMalloc<float> fSrcStorage;
const uint8_t* fDstGammaTables[3];
sk_sp<SkData> fDstStorage;
// Holds a 3x4 matrix. Padding is useful for vector loading.
float fSrcToDst[13];
float fSrcToDst[13];
SrcGamma fSrcGamma;
DstGamma fDstGamma;
friend class SkColorSpaceXform;
friend std::unique_ptr<SkColorSpaceXform> SlowIdentityXform(SkColorSpace_XYZ* space);
};
struct LoadTablesContext {
const uint32_t* fSrc;
const float* fR;
const float* fG;
const float* fB;
const void* fSrc;
const float* fR;
const float* fG;
const float* fB;
};
struct StoreTablesContext {

3
src/core/SkRasterPipeline.h
View File

@ -68,7 +68,8 @@
M(load_565) M(store_565) \
M(load_f16) M(store_f16) \
M(load_8888) M(store_8888) \
M(load_tables) M(store_tables) \
M(load_u16_be) \
M(load_tables) M(load_tables_u16_be) M(store_tables) \
M(scale_u8) M(scale_1_float) \
M(lerp_u8) M(lerp_565) M(lerp_1_float) \
M(dstatop) M(dstin) M(dstout) M(dstover) \

4
src/opts/SkNx_neon.h
View File

@ -255,6 +255,8 @@ public:
AI SkNx operator + (const SkNx& o) const { return vadd_u16(fVec, o.fVec); }
AI SkNx operator - (const SkNx& o) const { return vsub_u16(fVec, o.fVec); }
AI SkNx operator * (const SkNx& o) const { return vmul_u16(fVec, o.fVec); }
AI SkNx operator & (const SkNx& o) const { return vand_u16(fVec, o.fVec); }
AI SkNx operator | (const SkNx& o) const { return vorr_u16(fVec, o.fVec); }
AI SkNx operator << (int bits) const { return fVec << SkNx(bits).fVec; }
AI SkNx operator >> (int bits) const { return fVec >> SkNx(bits).fVec; }
@ -293,6 +295,8 @@ public:
AI SkNx operator + (const SkNx& o) const { return vaddq_u16(fVec, o.fVec); }
AI SkNx operator - (const SkNx& o) const { return vsubq_u16(fVec, o.fVec); }
AI SkNx operator * (const SkNx& o) const { return vmulq_u16(fVec, o.fVec); }
AI SkNx operator & (const SkNx& o) const { return vandq_u16(fVec, o.fVec); }
AI SkNx operator | (const SkNx& o) const { return vorrq_u16(fVec, o.fVec); }
AI SkNx operator << (int bits) const { return fVec << SkNx(bits).fVec; }
AI SkNx operator >> (int bits) const { return fVec >> SkNx(bits).fVec; }

15
src/opts/SkNx_sse.h
View File

@ -283,6 +283,8 @@ public:
AI SkNx operator + (const SkNx& o) const { return _mm_add_epi16(fVec, o.fVec); }
AI SkNx operator - (const SkNx& o) const { return _mm_sub_epi16(fVec, o.fVec); }
AI SkNx operator * (const SkNx& o) const { return _mm_mullo_epi16(fVec, o.fVec); }
AI SkNx operator & (const SkNx& o) const { return _mm_and_si128(fVec, o.fVec); }
AI SkNx operator | (const SkNx& o) const { return _mm_or_si128(fVec, o.fVec); }
AI SkNx operator << (int bits) const { return _mm_slli_epi16(fVec, bits); }
AI SkNx operator >> (int bits) const { return _mm_srli_epi16(fVec, bits); }
@ -348,6 +350,8 @@ public:
AI SkNx operator + (const SkNx& o) const { return _mm_add_epi16(fVec, o.fVec); }
AI SkNx operator - (const SkNx& o) const { return _mm_sub_epi16(fVec, o.fVec); }
AI SkNx operator * (const SkNx& o) const { return _mm_mullo_epi16(fVec, o.fVec); }
AI SkNx operator & (const SkNx& o) const { return _mm_and_si128(fVec, o.fVec); }
AI SkNx operator | (const SkNx& o) const { return _mm_or_si128(fVec, o.fVec); }
AI SkNx operator << (int bits) const { return _mm_slli_epi16(fVec, bits); }
AI SkNx operator >> (int bits) const { return _mm_srli_epi16(fVec, bits); }
@ -634,6 +638,14 @@ public:
return _mm256_cvtepi32_ps(SkNx_cast<int>(src).fVec);
}
template<> AI /*static*/ Sk8i SkNx_cast<int>(const Sk8h& src) {
return _mm256_cvtepu16_epi32(src.fVec);
}
template<> AI /*static*/ Sk8f SkNx_cast<float>(const Sk8h& src) {
return _mm256_cvtepi32_ps(SkNx_cast<int>(src).fVec);
}
template<> AI /*static*/ Sk8f SkNx_cast<float>(const Sk8i& src) {
return _mm256_cvtepi32_ps(src.fVec);
}
@ -642,9 +654,6 @@ public:
return _mm256_cvttps_epi32(src.fVec);
}
template<> AI /*static*/ Sk8i SkNx_cast<int>(const Sk8h& src) {
return _mm256_cvtepu16_epi32(src.fVec);
}
template<> AI /*static*/ Sk8h SkNx_cast<uint16_t>(const Sk8i& src) {
__m128i lo = _mm256_extractf128_si256(src.fVec, 0),
hi = _mm256_extractf128_si256(src.fVec, 1);

32
src/opts/SkRasterPipeline_opts.h
View File

@ -564,8 +564,25 @@ STAGE_CTX(store_8888, uint32_t**) {
store(tail, byte(r,0)|byte(g,1)|byte(b,2)|byte(a,3), (int*)ptr);
}
STAGE_CTX(load_u16_be, const uint64_t**) {
auto ptr = *ctx + x;
const void* src = ptr;
SkNx<N, uint64_t> px;
if (tail) {
px = load(tail, ptr);
src = &px;
}
SkNh rh, gh, bh, ah;
SkNh::Load4(src, &rh, &gh, &bh, &ah);
r = (1.0f / 65535.0f) * SkNx_cast<float>((rh << 8) | (rh >> 8));
g = (1.0f / 65535.0f) * SkNx_cast<float>((gh << 8) | (gh >> 8));
b = (1.0f / 65535.0f) * SkNx_cast<float>((bh << 8) | (bh >> 8));
a = (1.0f / 65535.0f) * SkNx_cast<float>((ah << 8) | (ah >> 8));
}
STAGE_CTX(load_tables, const LoadTablesContext*) {
auto ptr = ctx->fSrc + x;
auto ptr = (const uint32_t*)ctx->fSrc + x;
SkNu rgba = load(tail, ptr);
auto to_int = [](const SkNu& v) { return SkNi::Load(&v); };
@ -575,6 +592,19 @@ STAGE_CTX(load_tables, const LoadTablesContext*) {
a = SkNf_from_byte(rgba >> 24);
}
STAGE_CTX(load_tables_u16_be, const LoadTablesContext*) {
auto ptr = (const uint64_t*)ctx->fSrc + x;
SkNh rh, gh, bh, ah;
SkNh::Load4(ptr, &rh, &gh, &bh, &ah);
// ctx->fSrc is big-endian, so "& 0xff" grabs the 8 most significant bits of each component.
r = gather(tail, ctx->fR, SkNx_cast<int>(rh & 0xff));
g = gather(tail, ctx->fG, SkNx_cast<int>(gh & 0xff));
b = gather(tail, ctx->fB, SkNx_cast<int>(bh & 0xff));
a = (1.0f / 65535.0f) * SkNx_cast<float>((ah << 8) | (ah >> 8));
}
STAGE_CTX(store_tables, const StoreTablesContext*) {
auto ptr = ctx->fDst + x;