Merge "EGL: Enable eglGetFrameTimestamps." (4ec48ac4) · Commits · e / os / platform_frameworks_native

opengl/libs/EGL/eglApi.cpp

+0 −10

Original line number	Diff line number	Diff line
		@@ -56,8 +56,6 @@

		using namespace android;

		#define ENABLE_EGL_ANDROID_GET_FRAME_TIMESTAMPS 0

		// ----------------------------------------------------------------------------

		namespace android {
		@@ -88,9 +86,7 @@ extern char const * const gBuiltinExtensionString =
		"EGL_KHR_swap_buffers_with_damage "
		"EGL_ANDROID_create_native_client_buffer "
		"EGL_ANDROID_front_buffer_auto_refresh "
		#if ENABLE_EGL_ANDROID_GET_FRAME_TIMESTAMPS
		"EGL_ANDROID_get_frame_timestamps "
		#endif
		;
		extern char const * const gExtensionString =
		"EGL_KHR_image " // mandatory
		@@ -1246,7 +1242,6 @@ EGLBoolean eglSurfaceAttrib(
		setError(EGL_BAD_SURFACE, EGL_FALSE);
		}

		#if ENABLE_EGL_ANDROID_GET_FRAME_TIMESTAMPS
		if (attribute == EGL_TIMESTAMPS_ANDROID) {
		if (!s->win.get()) {
		return setError(EGL_BAD_SURFACE, EGL_FALSE);
		@@ -1256,7 +1251,6 @@ EGLBoolean eglSurfaceAttrib(
		return (err == NO_ERROR) ? EGL_TRUE :
		setError(EGL_BAD_SURFACE, EGL_FALSE);
		}
		#endif

		if (s->cnx->egl.eglSurfaceAttrib) {
		return s->cnx->egl.eglSurfaceAttrib(
		@@ -2168,12 +2162,10 @@ EGLBoolean eglGetCompositorTimingSupportedANDROID(
		}

		switch (name) {
		#if ENABLE_EGL_ANDROID_GET_FRAME_TIMESTAMPS
		case EGL_COMPOSITE_DEADLINE_ANDROID:
		case EGL_COMPOSITE_INTERVAL_ANDROID:
		case EGL_COMPOSITE_TO_PRESENT_LATENCY_ANDROID:
		return EGL_TRUE;
		#endif
		default:
		return EGL_FALSE;
		}
		@@ -2294,7 +2286,6 @@ EGLBoolean eglGetFrameTimestampSupportedANDROID(
		}

		switch (timestamp) {
		#if ENABLE_EGL_ANDROID_GET_FRAME_TIMESTAMPS
		case EGL_COMPOSITE_DEADLINE_ANDROID:
		case EGL_COMPOSITE_INTERVAL_ANDROID:
		case EGL_COMPOSITE_TO_PRESENT_LATENCY_ANDROID:
		@@ -2319,7 +2310,6 @@ EGLBoolean eglGetFrameTimestampSupportedANDROID(
		NATIVE_WINDOW_FRAME_TIMESTAMPS_SUPPORTS_RETIRE, &value);
		return value == 0 ? EGL_FALSE : EGL_TRUE;
		}
		#endif
		default:
		return EGL_FALSE;
		}

opengl/specs/EGL_ANDROID_get_frame_timestamps.txt

+25 −11

Original line number	Diff line number	Diff line
		@@ -8,11 +8,19 @@ Name Strings

		Contributors

		Brian Anderson
		Dan Stoza
		Pablo Ceballos
		Jesse Hall
		Fabien Sanglard

		Contact

		Brian Anderson, Google Inc. (brianderson 'at' google.com)
		Dan Stoza, Google Inc. (stoza 'at' google.com)
		Pablo Ceballos, Google Inc. (pceballos 'at' google.com)
		Jesse Hall, Google Inc. (jessehall 'at' google.com)
		Fabien Sanglard, Google Inc. (sanglardf 'at' google.com)

		Status

		@@ -20,7 +28,7 @@ Status

		Version

		Version 1, May 31, 2016
		Version 1, January 13, 2017

		Number

		@@ -96,7 +104,6 @@ Add to the list of supported tokens for eglSurfaceAttrib in section 3.5.6
		enables timestamp collection, while a value of EGL_FALSE disables it. The
		initial value is false. If surface is not a window surface this has no
		effect.

		Changes to Chapter 3 of the EGL 1.5 Specification (EGL Functions and Errors)

		Add a new subsection under Section 3,
		@@ -154,6 +161,12 @@ Changes to Chapter 3 of the EGL 1.5 Specification (EGL Functions and Errors)
		supported will generate an EGL_BAD_PARAMETER error. If any error is
		generated the function will return EGL_FALSE.

		The application can poll for the timestamp of particular events by calling
		eglGetFrameTimestamps over and over without needing to call any other EGL
		function between calls. This is true even for the most recently swapped
		frame. eglGetFrameTimestamps is thread safe and can be called from a
		different thread than the swapping thread.

		The eglGetFrameTimestampsANDROID function takes an array of timestamps to
		query and returns timestamps in the corresponding indices of the values
		array. The possible timestamps that can be queried are:
		@@ -212,20 +225,21 @@ Issues

		Revision History

		#1 (Pablo Ceballos, May 31, 2016)
		- Initial draft.
		#5 (Brian Anderson, January 13, 2017)
		- Add eglGetCompositorTimingANDROID.

		#2 (Brian Anderson, July 22, 2016)
		- Replace EGL_QUEUE_TIME_ANDROID with EGL_REQUESTED_PRESENT_TIME_ANDROID.
		- Add DISPLAY_PRESENT_TIME_ANDROID.
		#4 (Brian Anderson, January 10, 2017)
		- Use an absolute frameId rather than a relative framesAgo.

		#3 (Brian Anderson, November 30, 2016)
		- Add EGL_COMPOSITION_LATCH_TIME_ANDROID,
		EGL_LAST_COMPOSITION_START_TIME_ANDROID, and
		EGL_DEQUEUE_READY_TIME_ANDROID.

		#4 (Brian Anderson, January 10, 2017)
		- Use an absolute frameId rather than a relative framesAgo.
		#2 (Brian Anderson, July 22, 2016)
		- Replace EGL_QUEUE_TIME_ANDROID with EGL_REQUESTED_PRESENT_TIME_ANDROID.
		- Add DISPLAY_PRESENT_TIME_ANDROID.

		#1 (Pablo Ceballos, May 31, 2016)
		- Initial draft.

		#5 (Brian Anderson, January 13, 2017)
		- Add eglGetCompositorTimingANDROID.