blob: 37049fffc8d50db67d150081e7a1a3809f24c3f5 [file] [log] [blame]
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrAuditTrail_DEFINED
#define GrAuditTrail_DEFINED
#include "include/gpu/GrTypes.h"
#include "include/core/SkRect.h"
#include "include/core/SkString.h"
#include "include/private/base/SkTArray.h"
#include "src/core/SkTHash.h"
#include "src/gpu/ganesh/GrRenderTargetProxy.h"
class GrOp;
class SkJSONWriter;
/*
* GrAuditTrail collects a list of draw ops, detailed information about those ops, and can dump them
* to json.
*
* Capturing this information is expensive and consumes a lot of memory, therefore it is important
* to enable auditing only when required and disable it promptly. The AutoEnable class helps to
* ensure that the audit trail is disabled in a timely fashion. Once the information has been dealt
* with, be sure to call reset(), or the log will simply keep growing.
*/
class GrAuditTrail {
public:
GrAuditTrail() : fClientID(kGrAuditTrailInvalidID), fEnabled(false) {}
class AutoEnable {
public:
AutoEnable(GrAuditTrail* auditTrail)
: fAuditTrail(auditTrail) {
SkASSERT(!fAuditTrail->isEnabled());
fAuditTrail->setEnabled(true);
}
~AutoEnable() {
SkASSERT(fAuditTrail->isEnabled());
fAuditTrail->setEnabled(false);
}
private:
GrAuditTrail* fAuditTrail;
};
class AutoManageOpsTask {
public:
AutoManageOpsTask(GrAuditTrail* auditTrail)
: fAutoEnable(auditTrail), fAuditTrail(auditTrail) {}
~AutoManageOpsTask() { fAuditTrail->fullReset(); }
private:
AutoEnable fAutoEnable;
GrAuditTrail* fAuditTrail;
};
class AutoCollectOps {
public:
AutoCollectOps(GrAuditTrail* auditTrail, int clientID)
: fAutoEnable(auditTrail), fAuditTrail(auditTrail) {
fAuditTrail->setClientID(clientID);
}
~AutoCollectOps() { fAuditTrail->setClientID(kGrAuditTrailInvalidID); }
private:
AutoEnable fAutoEnable;
GrAuditTrail* fAuditTrail;
};
void pushFrame(const char* framename) {
SkASSERT(fEnabled);
fCurrentStackTrace.push_back(SkString(framename));
}
void addOp(const GrOp*, GrRenderTargetProxy::UniqueID proxyID);
void opsCombined(const GrOp* consumer, const GrOp* consumed);
// Because op combining is heavily dependent on sequence of draw calls, these calls will only
// produce valid information for the given draw sequence which preceeded them. Specifically, ops
// of future draw calls may combine with previous ops and thus would invalidate the json. What
// this means is that for some sequence of draw calls N, the below toJson calls will only
// produce JSON which reflects N draw calls. This JSON may or may not be accurate for N + 1 or
// N - 1 draws depending on the actual combining algorithm used.
void toJson(SkJSONWriter& writer) const;
// returns a json string of all of the ops associated with a given client id
void toJson(SkJSONWriter& writer, int clientID) const;
bool isEnabled() { return fEnabled; }
void setEnabled(bool enabled) { fEnabled = enabled; }
void setClientID(int clientID) { fClientID = clientID; }
// We could just return our internal bookkeeping struct if copying the data out becomes
// a performance issue, but until then its nice to decouple
struct OpInfo {
struct Op {
int fClientID;
SkRect fBounds;
};
SkRect fBounds;
GrSurfaceProxy::UniqueID fProxyUniqueID;
skia_private::TArray<Op> fOps;
};
void getBoundsByClientID(skia_private::TArray<OpInfo>* outInfo, int clientID);
void getBoundsByOpsTaskID(OpInfo* outInfo, int opsTaskID);
void fullReset();
static const int kGrAuditTrailInvalidID;
private:
// TODO if performance becomes an issue, we can move to using SkVarAlloc
struct Op {
void toJson(SkJSONWriter& writer) const;
SkString fName;
skia_private::TArray<SkString> fStackTrace;
SkRect fBounds;
int fClientID;
int fOpsTaskID;
int fChildID;
};
typedef skia_private::TArray<std::unique_ptr<Op>, true> OpPool;
typedef skia_private::TArray<Op*> Ops;
struct OpNode {
OpNode(const GrSurfaceProxy::UniqueID& proxyID) : fProxyUniqueID(proxyID) { }
void toJson(SkJSONWriter& writer) const;
SkRect fBounds;
Ops fChildren;
const GrSurfaceProxy::UniqueID fProxyUniqueID;
};
typedef skia_private::TArray<std::unique_ptr<OpNode>, true> OpsTask;
void copyOutFromOpsTask(OpInfo* outOpInfo, int opsTask);
template <typename T>
static void JsonifyTArray(SkJSONWriter& writer, const char* name, const T& array);
OpPool fOpPool;
skia_private::THashMap<uint32_t, int> fIDLookup;
skia_private::THashMap<int, Ops*> fClientIDLookup;
OpsTask fOpsTask;
skia_private::TArray<SkString> fCurrentStackTrace;
// The client can pass in an optional client ID which we will use to mark the ops
int fClientID;
bool fEnabled;
};
#define GR_AUDIT_TRAIL_INVOKE_GUARD(audit_trail, invoke, ...) \
if (audit_trail->isEnabled()) audit_trail->invoke(__VA_ARGS__)
#define GR_AUDIT_TRAIL_AUTO_FRAME(audit_trail, framename) \
GR_AUDIT_TRAIL_INVOKE_GUARD((audit_trail), pushFrame, framename)
#define GR_AUDIT_TRAIL_ADD_OP(audit_trail, op, proxy_id) \
GR_AUDIT_TRAIL_INVOKE_GUARD(audit_trail, addOp, op, proxy_id)
#define GR_AUDIT_TRAIL_OPS_RESULT_COMBINED(audit_trail, combineWith, op) \
GR_AUDIT_TRAIL_INVOKE_GUARD(audit_trail, opsCombined, combineWith, op)
#endif // GrAuditTrail_DEFINED