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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrTracing_DEFINED
#define GrTracing_DEFINED
#include "GrDrawTarget.h"
#include "GrTraceMarker.h"
#include "SkTraceEvent.h"
/**
* Marker generation class used for adding and removing markers around code blocks
*/
class GrGpuTraceMarkerGenerator : public ::SkNoncopyable {
public:
GrGpuTraceMarkerGenerator(GrDrawTarget* target) : fTarget(target) {}
~GrGpuTraceMarkerGenerator() {
if (fTraceMarker.isValid()) {
fTarget->removeGpuTraceMarker(fTraceMarker.get());
}
}
void initialize(const char* marker_str, int* marker_counter) {
GrGpuTraceMarker* traceMarker = fTraceMarker.init();
traceMarker->fMarker = marker_str;
traceMarker->fID = *marker_counter;
fTarget->addGpuTraceMarker(traceMarker);
}
private:
GrDrawTarget* fTarget;
SkTLazy<GrGpuTraceMarker> fTraceMarker;
};
/**
* GR_CREATE_TRACE_MARKER will place begin and end trace markers for both
* cpu and gpu (if gpu tracing enabled) for the current scope.
* marker is of type const char* and target is of type GrDrawTarget*
*/
#define GR_CREATE_TRACE_MARKER(name, target) \
static const char* SK_MACRO_APPEND_LINE(static_name) = name; \
static int SK_MACRO_APPEND_LINE(name_counter) = 0; \
INTERNAL_GR_CREATE_TRACE_MARKER(SK_MACRO_APPEND_LINE(static_name), \
SK_MACRO_APPEND_LINE(name_counter), \
target) \
#define INTERNAL_GR_CREATE_TRACE_MARKER(name, name_counter, target) \
GR_CREATE_GPU_TRACE_MARKER(name, name_counter, target) \
TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("skia.gpu"),name, \
"id", name_counter) \
sk_atomic_inc(&name_counter); \
#define GR_CREATE_GPU_TRACE_MARKER(name, name_counter, target) \
GrGpuTraceMarkerGenerator SK_MACRO_APPEND_LINE(TMG)(target); \
if (target->isGpuTracingEnabled()) { \
SK_MACRO_APPEND_LINE(TMG).initialize(name, &name_counter); \
} \
#endif
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