remove legacy flags for old image filtering

BUG=skia:
TBR=

Review URL: https://codereview.chromium.org/857193003
This commit is contained in:
reed 2015-01-20 07:41:24 -08:00 committed by Commit bot
parent 2babfd96ae
commit 83c8dec46a
2 changed files with 0 additions and 46 deletions

View File

@ -482,30 +482,6 @@ bool SkBitmapProcState::chooseProcs(const SkMatrix& inv, const SkPaint& paint) {
fInvMatrix = inv;
fFilterLevel = paint.getFilterLevel();
#ifdef SK_SUPPORT_LEGACY_HQ_SCALING
// possiblyScaleImage will look to see if it can rescale the image as a
// preprocess; either by scaling up to the target size, or by selecting
// a nearby mipmap level. If it does, it will adjust the working
// matrix as well as the working bitmap. It may also adjust the filter
// quality to avoid re-filtering an already perfectly scaled image.
if (!this->possiblyScaleImage()) {
if (!this->lockBaseBitmap()) {
return false;
}
}
// The above logic should have always assigned fBitmap, but in case it
// didn't, we check for that now...
// TODO(dominikg): Ask humper@ if we can just use an SkASSERT(fBitmap)?
if (NULL == fBitmap) {
return false;
}
// If we are "still" kMedium_FilterLevel, then the request was not fulfilled by possiblyScale,
// so we downgrade to kLow (so the rest of the sniffing code can assume that)
if (SkPaint::kMedium_FilterLevel == fFilterLevel) {
fFilterLevel = SkPaint::kLow_FilterLevel;
}
#else
if (SkPaint::kHigh_FilterLevel == fFilterLevel) {
this->processHQRequest();
}
@ -522,7 +498,6 @@ bool SkBitmapProcState::chooseProcs(const SkMatrix& inv, const SkPaint& paint) {
}
}
SkASSERT(fBitmap);
#endif
bool trivialMatrix = (fInvMatrix.getType() & ~SkMatrix::kTranslate_Mask) == 0;
bool clampClamp = SkShader::kClamp_TileMode == fTileModeX &&

View File

@ -225,23 +225,6 @@ SkMipMap* SkMipMap::Build(const SkBitmap& src, SkDiscardableFactoryProc fact) {
///////////////////////////////////////////////////////////////////////////////
#ifdef SK_SUPPORT_LEGACY_MIPLEVELCHOICE
static SkFixed compute_level(SkScalar scale) {
SkScalar inv = SkScalarAbs(SkScalarInvert(scale));
if (inv > 32767) { // Watch out for SkFixed overflow.
inv = 32767;
}
SkFixed s = SkScalarToFixed(inv);
if (s < SK_Fixed1) {
return 0;
}
int clz = SkCLZ(s);
SkASSERT(clz >= 1 && clz <= 15);
return SkIntToFixed(15 - clz) + ((unsigned)(s << (clz + 1)) >> 16);
}
#endif
bool SkMipMap::extractLevel(SkScalar scale, Level* levelPtr) const {
if (NULL == fLevels) {
return false;
@ -251,9 +234,6 @@ bool SkMipMap::extractLevel(SkScalar scale, Level* levelPtr) const {
return false;
}
#ifdef SK_SUPPORT_LEGACY_MIPLEVELCHOICE
int level = compute_level(scale) >> 16;
#else
SkScalar L = -SkScalarLog2(scale);
if (!SkScalarIsFinite(L)) {
return false;
@ -261,7 +241,6 @@ bool SkMipMap::extractLevel(SkScalar scale, Level* levelPtr) const {
SkASSERT(L >= 0);
int level = SkScalarRoundToInt(L);
// SkDebugf("mipmap scale=%g L=%g level=%d\n", scale, L, level);
#endif
SkASSERT(level >= 0);
if (level <= 0) {