Add setPriority to allow wallpapers to run at lower cpu priority than default. (7d787b47) · Commits · e / os / android_frameworks_base

graphics/java/android/renderscript/RenderScript.java

+16 −0

Original line number	Diff line number	Diff line
		@@ -67,6 +67,7 @@ public class RenderScript {
		native int nContextCreate(int dev, int ver, boolean useDepth);
		native void nContextDestroy(int con);
		native void nContextSetSurface(int w, int h, Surface sur);
		native void nContextSetPriority(int p);

		native void nContextBindRootScript(int script);
		native void nContextBindSampler(int sampler, int slot);
		@@ -218,6 +219,7 @@ public class RenderScript {
		Element mElement_XY_F32;
		Element mElement_XYZ_F32;


		///////////////////////////////////////////////////////////////////////////////////
		//

		@@ -229,6 +231,20 @@ public class RenderScript {
		}
		public RSMessage mMessageCallback = null;

		public enum Priority {
		LOW (5), //ANDROID_PRIORITY_BACKGROUND + 5
		NORMAL (-4); //ANDROID_PRIORITY_DISPLAY

		int mID;
		Priority(int id) {
		mID = id;
		}
		}

		public void contextSetPriority(Priority p) {
		nContextSetPriority(p.mID);
		}

		private static class MessageThread extends Thread {
		RenderScript mRS;
		boolean mRun = true;

graphics/jni/android_renderscript_RenderScript.cpp

+11 −0

Original line number	Diff line number	Diff line
		@@ -157,6 +157,16 @@ nContextCreate(JNIEnv *_env, jobject _this, jint dev, jint ver, jboolean useDept
		return (jint)rsContextCreate((RsDevice)dev, ver, useDepth);
		}

		static void
		nContextSetPriority(JNIEnv *_env, jobject _this, jint p)
		{
		RsContext con = (RsContext)(_env->GetIntField(_this, gContextId));
		LOG_API("ContextSetPriority, con(%p), priority(%i)", con, p);
		rsContextSetPriority(con, p);
		}



		static void
		nContextSetSurface(JNIEnv *_env, jobject _this, jint width, jint height, jobject wnd)
		{
		@@ -1333,6 +1343,7 @@ static JNINativeMethod methods[] = {
		{"nDeviceDestroy", "(I)V", (void*)nDeviceDestroy },
		{"nDeviceSetConfig", "(III)V", (void*)nDeviceSetConfig },
		{"nContextCreate", "(IIZ)I", (void*)nContextCreate },
		{"nContextSetPriority", "(I)V", (void*)nContextSetPriority },
		{"nContextSetSurface", "(IILandroid/view/Surface;)V", (void*)nContextSetSurface },
		{"nContextDestroy", "(I)V", (void*)nContextDestroy },
		{"nContextPause", "()V", (void*)nContextPause },

libs/rs/rs.spec

+1 −1

Original line number	Diff line number	Diff line
		@@ -43,7 +43,7 @@ ContextSetSurface {
		}

		ContextSetPriority {
		param uint32_t priority
		param int32_t priority
		}

		AssignName {

libs/rs/rsContext.cpp

+29 −5

Original line number	Diff line number	Diff line
		@@ -20,11 +20,16 @@
		#include <ui/FramebufferNativeWindow.h>
		#include <ui/EGLUtils.h>

		#include <sys/types.h>
		#include <sys/resource.h>

		#include <cutils/properties.h>

		#include <GLES/gl.h>
		#include <GLES/glext.h>

		#include <cutils/sched_policy.h>

		using namespace android;
		using namespace android::renderscript;

		@@ -234,6 +239,9 @@ static bool getProp(const char *str)
		void * Context::threadProc(void *vrsc)
		{
		Context rsc = static_cast<Context >(vrsc);
		rsc->mNativeThreadId = gettid();

		setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);

		rsc->props.mLogTimes = getProp("debug.rs.profile");
		rsc->props.mLogScripts = getProp("debug.rs.script");
		@@ -316,6 +324,25 @@ void * Context::threadProc(void *vrsc)
		return NULL;
		}

		void Context::setPriority(int32_t p)
		{
		// Note: If we put this in the proper "background" policy
		// the wallpapers can become completly unresponsive at times.
		// This is probably not what we want for something the user is actively
		// looking at.
		#if 0
		SchedPolicy pol = SP_FOREGROUND;
		if (p > 0) {
		pol = SP_BACKGROUND;
		}
		if (!set_sched_policy(mNativeThreadId, pol)) {
		// success; reset the priority as well
		}
		#else
		setpriority(PRIO_PROCESS, mNativeThreadId, p);
		#endif
		}

		Context::Context(Device *dev, bool useDepth)
		{
		pthread_mutex_lock(&gInitMutex);
		@@ -351,10 +378,6 @@ Context::Context(Device *dev, bool useDepth)
		return;
		}

		sched_param sparam;
		sparam.sched_priority = ANDROID_PRIORITY_DISPLAY;
		pthread_attr_setschedparam(&threadAttr, &sparam);

		mWndSurface = NULL;

		objDestroyOOBInit();
		@@ -791,8 +814,9 @@ void rsi_ContextSetSurface(Context rsc, uint32_t w, uint32_t h, void sur)
		rsc->setSurface(w, h, (Surface *)sur);
		}

		void rsi_ContextSetPriority(Context *rsc, uint32_t p)
		void rsi_ContextSetPriority(Context *rsc, int32_t p)
		{
		rsc->setPriority(p);
		}

		}

libs/rs/rsContext.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -95,6 +95,7 @@ public:
		void pause();
		void resume();
		void setSurface(uint32_t w, uint32_t h, Surface *sur);
		void setPriority(int32_t p);

		void assignName(ObjectBase obj, const char name, uint32_t len);
		void removeName(ObjectBase *obj);
		@@ -198,6 +199,7 @@ protected:
		bool mPaused;

		pthread_t mThreadId;
		pid_t mNativeThreadId;

		ObjectBaseRef<Script> mRootScript;
		ObjectBaseRef<ProgramFragment> mFragment;