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Bug 1000875 - Add invalidation debugging annotations for layer content type changes. r=roc

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This commit is contained in:
Markus Stange 2014-05-05 10:24:56 +02:00
parent 03e23b3d9b
commit 48fe884f67
1 changed files with 12 additions and 0 deletions
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12
gfx/layers/client/ContentClient.cpp
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@ -27,6 +27,7 @@
#include "nsISupportsImpl.h" // for gfxContext::Release, etc
#include "nsIWidget.h" // for nsIWidget
#include "prenv.h" // for PR_GetEnv
#include "nsLayoutUtils.h"
#ifdef XP_WIN
#include "gfxWindowsPlatform.h"
#endif
@ -655,6 +656,17 @@ ContentClientIncremental::BeginPaintBuffer(ThebesLayer* aLayer,
if (mHasBuffer &&
(mContentType != contentType ||
(mode == SurfaceMode::SURFACE_COMPONENT_ALPHA) != mHasBufferOnWhite)) {
#ifdef MOZ_DUMP_PAINTING
if (nsLayoutUtils::InvalidationDebuggingIsEnabled()) {
if (mContentType != contentType) {
printf_stderr("Layer's content type has changed\n");
}
if ((mode == SurfaceMode::SURFACE_COMPONENT_ALPHA) != mHasBufferOnWhite) {
printf_stderr("Layer's component alpha status has changed\n");
}
printf_stderr("Invalidating entire layer %p\n", aLayer);
}
#endif
// We're effectively clearing the valid region, so we need to draw
// the entire needed region now.
result.mRegionToInvalidate = aLayer->GetValidRegion();