Revert "Revert "Hook up HDR capabilities from native SurfaceControl"" (54ac2191) · Commits · e / os / android_frameworks_base

core/java/android/view/Display.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -1163,6 +1163,14 @@ public final class Display {
		public HdrCapabilities() {
		}

		public HdrCapabilities(int[] supportedHdrTypes, float maxLuminance,
		float maxAverageLuminance, float minLuminance) {
		mSupportedHdrTypes = supportedHdrTypes;
		mMaxLuminance = maxLuminance;
		mMaxAverageLuminance = maxAverageLuminance;
		mMinLuminance = minLuminance;
		}

		/**
		* Gets the supported HDR types of this display.
		* Returns empty array if HDR is not supported by the display.

core/jni/android_view_SurfaceControl.cpp

+27 −0

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@
		#include <memory>
		#include <stdio.h>
		#include <ui/DisplayInfo.h>
		#include <ui/HdrCapabilities.h>
		#include <ui/FrameStats.h>
		#include <ui/Rect.h>
		#include <ui/Region.h>
		@@ -83,6 +84,11 @@ static struct {
		jmethodID init;
		} gWindowAnimationFrameStatsClassInfo;

		static struct {
		jclass clazz;
		jmethodID ctor;
		} gHdrCapabilitiesClassInfo;

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

		static jlong nativeCreate(JNIEnv* env, jclass clazz, jobject sessionObj,
		@@ -610,6 +616,22 @@ static jobject nativeGetHandle(JNIEnv* env, jclass clazz, jlong nativeObject) {
		return javaObjectForIBinder(env, ctrl->getHandle());
		}

		static jobject nativeGetHdrCapabilities(JNIEnv* env, jclass clazz, jobject tokenObject) {
		sp<IBinder> token(ibinderForJavaObject(env, tokenObject));
		if (token == NULL) return NULL;

		HdrCapabilities capabilities;
		SurfaceComposerClient::getHdrCapabilities(token, &capabilities);

		const auto& types = capabilities.getSupportedHdrTypes();
		auto typesArray = env->NewIntArray(types.size());
		env->SetIntArrayRegion(typesArray, 0, types.size(), types.data());

		return env->NewObject(gHdrCapabilitiesClassInfo.clazz, gPhysicalDisplayInfoClassInfo.ctor,
		typesArray, capabilities.getDesiredMaxLuminance(),
		capabilities.getDesiredMaxAverageLuminance(), capabilities.getDesiredMinLuminance());
		}

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

		static const JNINativeMethod sSurfaceControlMethods[] = {
		@@ -733,6 +755,11 @@ int register_android_view_SurfaceControl(JNIEnv* env)
		animFrameStatsClazz, "init", "(J[J)V");
		gWindowAnimationFrameStatsClassInfo.UNDEFINED_TIME_NANO = undefined_time_nano;

		jclass hdrCapabilitiesClazz = FindClassOrDie(env, "android/view/Display$HdrCapabilities");
		gHdrCapabilitiesClassInfo.clazz = MakeGlobalRefOrDie(env, hdrCapabilitiesClazz);
		gHdrCapabilitiesClassInfo.ctor = GetMethodIDOrDie(env, hdrCapabilitiesClazz, "<init>",
		"([IFFF)V");

		return err;
		}