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Commit a518f329 authored by Matt Buckley's avatar Matt Buckley
Browse files

Add HWUI session tagging 

Adds a hidden method for the creation of special "internal" hint
sessions with extra metadata, and plumbs hwui to use it

Bug: 330553312
Test: atest PerformanceHintNativeTestCases
Test: hwui unit tests
Change-Id: I2e7eb8fe010b7314c3e91ec2d11ac1910c234262
parent d10195fc

include/private/performance_hint_private.h

+20 −2
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#define ANDROID_PRIVATE_NATIVE_PERFORMANCE_HINT_PRIVATE_H



#include <stdint.h>

#include <android/performance_hint.h>



__BEGIN_DECLS
@@ -75,6 +76,15 @@ enum SessionHint: int32_t { 
    GPU_LOAD_RESET = 7,

};



// Allows access to PowerHAL's SessionTags without needing to import its AIDL

enum class SessionTag : int32_t {

  OTHER = 0,

  SURFACEFLINGER = 1,

  HWUI = 2,

  GAME = 3,

  APP = 4,

};



/**

 * Sends performance hints to inform the hint session of changes in the workload.

 *
@@ -83,14 +93,22 @@ enum SessionHint: int32_t { 
 * @return 0 on success

 *         EPIPE if communication with the system service has failed.

 */

int APerformanceHint_sendHint(void* session, SessionHint hint);

int APerformanceHint_sendHint(APerformanceHintSession* session, SessionHint hint);



/**

 * Return the list of thread ids, this API should only be used for testing only.

 */

int APerformanceHint_getThreadIds(void* aPerformanceHintSession,

int APerformanceHint_getThreadIds(APerformanceHintSession* session,

                                  int32_t* const threadIds, size_t* const size);



/**

 * Creates a session with additional options

 */

APerformanceHintSession* APerformanceHint_createSessionInternal(APerformanceHintManager* manager,

                                        const int32_t* threadIds, size_t size,

                                        int64_t initialTargetWorkDurationNanos, SessionTag tag);





__END_DECLS



#endif // ANDROID_PRIVATE_NATIVE_PERFORMANCE_HINT_PRIVATE_H