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Disable antialiasing of borders again, for Linux only, to avoid the performance penalty of pushing/popping groups. b=380473 r=vlad

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dbaron@dbaron.org 2007-05-23 08:56:15 -07:00
parent 18dadd9e9e
commit 986ae83b29
1 changed files with 20 additions and 0 deletions
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20
layout/base/nsCSSRendering.cpp
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@ -2304,6 +2304,17 @@ nsCSSRendering::PaintBorder(nsPresContext* aPresContext,
ctx->SetMatrix(mat);
}
#ifdef MOZ_WIDGET_GTK2
// Temporarily disable antialising of borders until the performance
// is acceptable.
#define DISABLE_BORDER_ANTIALIAS
#endif
#ifdef DISABLE_BORDER_ANTIALIAS /* XXX temporary */
gfxContext::AntialiasMode oldMode = ctx->CurrentAntialiasMode();
ctx->SetAntialiasMode(gfxContext::MODE_ALIASED);
#endif
// if we're going to do separate sides, we need to do it as
// a temporary surface group
if (doSeparateSides) {
@ -2324,10 +2335,12 @@ nsCSSRendering::PaintBorder(nsPresContext* aPresContext,
ctx->Clip();
}
#ifndef DISABLE_BORDER_ANTIALIAS
// start a compositing group and render using ADD so that
// we get correct behaviour at the joins
ctx->PushGroup(gfxASurface::CONTENT_COLOR_ALPHA);
ctx->SetOperator(gfxContext::OPERATOR_ADD);
#endif
} else if (aGap) {
gfxRect gapRect(gfxFloat(aGap->x) / twipsPerPixel,
gfxFloat(aGap->y) / twipsPerPixel,
@ -2417,10 +2430,17 @@ nsCSSRendering::PaintBorder(nsPresContext* aPresContext,
ctx->Restore();
}
#ifndef DISABLE_BORDER_ANTIALIAS
if (doSeparateSides) {
ctx->PopGroupToSource();
ctx->Paint();
}
#endif
#ifdef DISABLE_BORDER_ANTIALIAS /* XXX temporary */
// Does |Restore| below restore this?
ctx->SetAntialiasMode(oldMode);
#endif
ctx->Restore();