08dacf2753
- sync patches with firefox-esr - add --allow-addon-sideload to mozconfig so language packs work
56 lines
2.5 KiB
Diff
56 lines
2.5 KiB
Diff
CompositableHost.cpp patch added by @q66, based on patch in issue 1602730.
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# HG changeset patch
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# Parent 46ea866ca3acb8bb5e1709ceb799b9c94f591dec
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Problem description: Tab-titles that are too long to fit into a tab get faded out.
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On big endian this is broken and instead of fading out, the
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tab gets white and the font transparent, leading to an unreadable
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tab-title
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Solution: This is not a real solution, but a hack. The real solution would have been
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to byte-swap the correct buffer, but I could not find it.
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So the next best thing is to deactivate the fading-effect. Now all tab-titles
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are readable, albeit not as pretty to look at as they could be.
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Side-effects: I have not yet found an unwanted side-effect.
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diff -r 46ea866ca3ac -r 6ef20eee3f8f gfx/2d/DrawTargetSkia.cpp
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--- gfx/2d/DrawTargetSkia.cpp Tue Oct 22 12:27:22 2019 +0200
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+++ gfx/2d/DrawTargetSkia.cpp Thu Oct 31 09:11:56 2019 +0100
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@@ -1861,6 +1861,14 @@
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SkCanvas::kPreserveLCDText_SaveLayerFlag |
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(aCopyBackground ? SkCanvas::kInitWithPrevious_SaveLayerFlag : 0));
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+#if MOZ_BIG_ENDIAN()
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+ // Pushing a layer where an aMask is defined produces wrong output.
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+ // We _should_ endian swap the data, but I couldn't find a workable way to do so
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+ // Therefore I deactivate those layers in the meantime.
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+ // The result is: Tab-titles that are longer than the available space should be faded out.
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+ // The fading doesn't work, so we deactivate the fading-effect here.
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+ if (!aMask)
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+#endif
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mCanvas->saveLayer(saveRec);
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SetPermitSubpixelAA(aOpaque);
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--- gfx/layers/composite/CompositableHost.cpp
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+++ gfx/layers/composite/CompositableHost.cpp
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@@ -13,6 +13,7 @@
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#include "ImageHost.h" // for ImageHostBuffered, etc
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#include "Layers.h"
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#include "TiledContentHost.h" // for TiledContentHost
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+#include "mozilla/EndianUtils.h"
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#include "mozilla/gfx/gfxVars.h"
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#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
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#include "mozilla/layers/TextureHost.h" // for TextureHost, etc
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@@ -92,9 +93,13 @@ bool CompositableHost::AddMaskEffect(EffectChain& aEffects,
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}
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MOZ_ASSERT(source);
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+ // Setting an alpha-mask here breaks the URL-bar on big endian (s390x)
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+ // if the typed URL is too long for the textbox (automatic scrolling needed)
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+#if MOZ_LITTLE_ENDIAN()
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RefPtr<EffectMask> effect =
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new EffectMask(source, source->GetSize(), aTransform);
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aEffects.mSecondaryEffects[EffectTypes::MASK] = effect;
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+#endif
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return true;
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}
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