as a debug option SrufaceFlinger can now connect to DDMS (8afb7e39) · Commits · e / os / android_frameworks_native

services/surfaceflinger/Android.mk

+4 −0

Original line number	Diff line number	Diff line
		@@ -5,6 +5,7 @@ LOCAL_SRC_FILES:= \
		Layer.cpp \
		LayerBase.cpp \
		LayerDim.cpp \
		DdmConnection.cpp \
		DisplayHardware/DisplayHardware.cpp \
		DisplayHardware/DisplayHardwareBase.cpp \
		DisplayHardware/HWComposer.cpp \
		@@ -36,6 +37,9 @@ LOCAL_SHARED_LIBRARIES := \
		libui \
		libgui

		# this is only needed for DDMS debugging
		LOCAL_SHARED_LIBRARIES += libdvm libandroid_runtime

		LOCAL_C_INCLUDES := \
		$(call include-path-for, corecg graphics)

services/surfaceflinger/DdmConnection.cpp

0 → 100644

+75 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2011 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#include <android_runtime/AndroidRuntime.h>

		#include "jni.h"
		#include "DdmConnection.h"

		extern "C" jint Java_com_android_internal_util_WithFramework_registerNatives(
		JNIEnv* env, jclass clazz);

		namespace android {

		void DdmConnection::start(const char* name) {
		JavaVM* vm;
		JNIEnv* env;

		// start a VM
		JavaVMInitArgs args;
		JavaVMOption opt;

		opt.optionString =
		"-agentlib:jdwp=transport=dt_android_adb,suspend=n,server=y";

		args.version = JNI_VERSION_1_4;
		args.options = &opt;
		args.nOptions = 1;
		args.ignoreUnrecognized = JNI_FALSE;

		if (JNI_CreateJavaVM(&vm, &env, &args) == 0) {
		jclass startClass;
		jmethodID startMeth;

		// register native code
		if (Java_com_android_internal_util_WithFramework_registerNatives(env, 0) == 0) {
		// set our name by calling DdmHandleAppName.setAppName()
		startClass = env->FindClass("android/ddm/DdmHandleAppName");
		if (startClass) {
		startMeth = env->GetStaticMethodID(startClass,
		"setAppName", "(Ljava/lang/String;)V");
		if (startMeth) {
		jstring str = env->NewStringUTF(name);
		env->CallStaticVoidMethod(startClass, startMeth, str);
		env->DeleteLocalRef(str);
		}
		}

		// initialize DDMS communication by calling
		// DdmRegister.registerHandlers()
		startClass = env->FindClass("android/ddm/DdmRegister");
		if (startClass) {
		startMeth = env->GetStaticMethodID(startClass,
		"registerHandlers", "()V");
		if (startMeth) {
		env->CallStaticVoidMethod(startClass, startMeth);
		}
		}
		}
		}
		}

		}; // namespace android

services/surfaceflinger/DdmConnection.h

0 → 100644

+29 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2011 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#ifndef ANDROID_SF_DDM_CONNECTION
		#define ANDROID_SF_DDM_CONNECTION

		namespace android {

		class DdmConnection {
		public:
		static void start(const char* name);
		};

		}; // namespace android

		#endif /* ANDROID_SF_DDM_CONNECTION */

services/surfaceflinger/SurfaceFlinger.cpp

+11 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,7 @@

		#include "clz.h"
		#include "GLExtensions.h"
		#include "DdmConnection.h"
		#include "Layer.h"
		#include "LayerDim.h"
		#include "SurfaceFlinger.h"
		@@ -90,6 +91,7 @@ SurfaceFlinger::SurfaceFlinger()
		mFreezeDisplayTime(0),
		mDebugRegion(0),
		mDebugBackground(0),
		mDebugDDMS(0),
		mDebugDisableHWC(0),
		mDebugInSwapBuffers(0),
		mLastSwapBufferTime(0),
		@@ -108,13 +110,22 @@ void SurfaceFlinger::init()

		// debugging stuff...
		char value[PROPERTY_VALUE_MAX];

		property_get("debug.sf.showupdates", value, "0");
		mDebugRegion = atoi(value);

		property_get("debug.sf.showbackground", value, "0");
		mDebugBackground = atoi(value);

		property_get("debug.sf.ddms", value, "0");
		mDebugDDMS = atoi(value);
		if (mDebugDDMS) {
		DdmConnection::start(getServiceName());
		}

		LOGI_IF(mDebugRegion, "showupdates enabled");
		LOGI_IF(mDebugBackground, "showbackground enabled");
		LOGI_IF(mDebugDDMS, "DDMS debugging enabled");
		}

		SurfaceFlinger::~SurfaceFlinger()

services/surfaceflinger/SurfaceFlinger.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -371,6 +371,7 @@ private:
		// don't use a lock for these, we don't care
		int mDebugRegion;
		int mDebugBackground;
		int mDebugDDMS;
		int mDebugDisableHWC;
		volatile nsecs_t mDebugInSwapBuffers;
		nsecs_t mLastSwapBufferTime;