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Unified Diff: src/core/SkCanvas.cpp

Issue 1006923002: Revert of Revert of Change device creation to see the (optional) layer-paint (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 9 months ago
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Index: src/core/SkCanvas.cpp
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index a31ded05864a9b436532e6320f09e8efc413cd7d..11dc739f4c4dc6aa0509f8ba404a56fa246817e4 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -299,7 +299,7 @@
SkPaint tmp;
tmp.setImageFilter(fOrigPaint.getImageFilter());
(void)canvas->internalSaveLayer(bounds, &tmp, SkCanvas::kARGB_ClipLayer_SaveFlag,
- true, SkCanvas::kFullLayer_SaveLayerStrategy);
+ SkCanvas::kFullLayer_SaveLayerStrategy);
// we'll clear the imageFilter for the actual draws in next(), so
// it will only be applied during the restore().
fDoClearImageFilter = true;
@@ -880,7 +880,7 @@
}
SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag);
fSaveCount += 1;
- this->internalSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag, false, strategy);
+ this->internalSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag, strategy);
return this->getSaveCount() - 1;
}
@@ -890,12 +890,12 @@
}
SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, flags);
fSaveCount += 1;
- this->internalSaveLayer(bounds, paint, flags, false, strategy);
+ this->internalSaveLayer(bounds, paint, flags, strategy);
return this->getSaveCount() - 1;
}
void SkCanvas::internalSaveLayer(const SkRect* bounds, const SkPaint* paint, SaveFlags flags,
- bool justForImageFilter, SaveLayerStrategy strategy) {
+ SaveLayerStrategy strategy) {
#ifndef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG
flags |= kClipToLayer_SaveFlag;
#endif
@@ -917,21 +917,13 @@
return;
}
- // Kill the imagefilter if our device doesn't allow it
- SkLazyPaint lazyP;
- if (paint && paint->getImageFilter()) {
- if (!this->getTopDevice()->allowImageFilter(paint->getImageFilter())) {
- if (justForImageFilter) {
- // early exit if the layer was just for the imageFilter
- return;
- }
- SkPaint* p = lazyP.set(*paint);
- p->setImageFilter(NULL);
- paint = p;
- }
- }
-
bool isOpaque = !SkToBool(flags & kHasAlphaLayer_SaveFlag);
+ if (isOpaque && paint) {
+ // TODO: perhaps add a query to filters so we might preserve opaqueness...
+ if (paint->getImageFilter() || paint->getColorFilter()) {
+ isOpaque = false;
+ }
+ }
SkImageInfo info = SkImageInfo::MakeN32(ir.width(), ir.height(),
isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType);
@@ -941,12 +933,17 @@
return;
}
- SkBaseDevice::Usage usage = SkBaseDevice::kSaveLayer_Usage;
+ SkBaseDevice::TileUsage usage = SkBaseDevice::kNever_TileUsage;
+#if 1
+ // this seems needed for current GMs, but makes us draw slower on the GPU
+ // Related to https://code.google.com/p/skia/issues/detail?id=3519 ?
+ //
if (paint && paint->getImageFilter()) {
- usage = SkBaseDevice::kImageFilter_Usage;
- }
- device = device->onCreateCompatibleDevice(SkBaseDevice::CreateInfo(info, usage,
- fProps.pixelGeometry()));
+ usage = SkBaseDevice::kPossible_TileUsage;
+ }
+#endif
+ device = device->onCreateDevice(SkBaseDevice::CreateInfo(info, usage, fProps.pixelGeometry()),
+ paint);
if (NULL == device) {
SkErrorInternals::SetError( kInternalError_SkError,
"Unable to create device for layer.");
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