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ccpr: Add a mechanism to detach and merge pending paths

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Bug: skia:7988
Change-Id: Ie3fd7c5d57abdf70db40d309b7a83333045ad972
Reviewed-on: https://skia-review.googlesource.com/129622
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
This commit is contained in:
Chris Dalton 2018-05-23 12:00:07 -06:00 committed by Skia Commit-Bot
parent bed9d5ec3e
commit a71305cf9e
1 changed files with 14 additions and 1 deletions
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15
src/gpu/ccpr/GrCoverageCountingPathRenderer.h
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@ -57,6 +57,19 @@ public:
SkASSERT(!fFlushing);
}
using PendingPathsMap = std::map<uint32_t, std::unique_ptr<GrCCPerOpListPaths>>;
// In DDL mode, Ganesh needs to be able to move the pending GrCCPerOpListPaths to the DDL object
// (detachPendingPaths) and then return them upon replay (mergePendingPaths).
PendingPathsMap detachPendingPaths() { return std::move(fPendingPaths); }
void mergePendingPaths(PendingPathsMap&& paths) {
// Ensure there are no duplicate opList IDs between the incoming path map and ours.
SkDEBUGCODE(for (const auto& it : paths) SkASSERT(!fPendingPaths.count(it.first)));
fPendingPaths.insert(std::make_move_iterator(paths.begin()),
std::make_move_iterator(paths.end()));
}
// GrPathRenderer overrides.
StencilSupport onGetStencilSupport(const GrShape&) const override {
return GrPathRenderer::kNoSupport_StencilSupport;
@ -84,7 +97,7 @@ private:
// fPendingPaths holds the GrCCPerOpListPaths objects that have already been created, but not
// flushed, and those that are still being created. All GrCCPerOpListPaths objects will first
// reside in fPendingPaths, then be moved to fFlushingPaths during preFlush().
std::map<uint32_t, std::unique_ptr<GrCCPerOpListPaths>> fPendingPaths;
PendingPathsMap fPendingPaths;
// fFlushingPaths holds the GrCCPerOpListPaths objects that are currently being flushed.
// (It will only contain elements when fFlushing is true.)