Support applications changing the surface attached to the RS. (efd9b6fb) · Commits · e / os / android_frameworks_base

graphics/java/android/renderscript/RSSurfaceView.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -80,6 +80,9 @@ public class RSSurfaceView extends SurfaceView implements SurfaceHolder.Callback
		*/
		public void surfaceDestroyed(SurfaceHolder holder) {
		// Surface will be destroyed when we return
		if (mRS != null) {
		mRS.contextSetSurface(null);
		}
		//Log.v(RenderScript.LOG_TAG, "surfaceDestroyed");
		}

		@@ -88,6 +91,9 @@ public class RSSurfaceView extends SurfaceView implements SurfaceHolder.Callback
		* not normally called or subclassed by clients of RSSurfaceView.
		*/
		public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
		if (mRS != null) {
		mRS.contextSetSurface(holder.getSurface());
		}
		//Log.v(RenderScript.LOG_TAG, "surfaceChanged");
		}

graphics/java/android/renderscript/RenderScript.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -64,6 +64,7 @@ public class RenderScript {
		native void nDeviceSetConfig(int dev, int param, int value);
		native int nContextCreate(int dev, Surface sur, int ver, boolean useDepth);
		native void nContextDestroy(int con);
		native void nContextSetSurface(Surface sur);

		native void nContextBindRootScript(int script);
		native void nContextBindSampler(int sampler, int slot);
		@@ -276,6 +277,11 @@ public class RenderScript {
		mMessageThread.start();
		}

		public void contextSetSurface(Surface sur) {
		mSurface = sur;
		nContextSetSurface(mSurface);
		}

		public void destroy() {
		nContextDeinitToClient();
		mMessageThread.mRun = false;

graphics/jni/android_renderscript_RenderScript.cpp

+19 −0

Original line number	Diff line number	Diff line
		@@ -170,6 +170,24 @@ nContextCreate(JNIEnv *_env, jobject _this, jint dev, jobject wnd, jint ver, jbo
		return (jint)rsContextCreate((RsDevice)dev, window, ver, useDepth);
		}

		static void
		nContextSetSurface(JNIEnv *_env, jobject _this, jobject wnd)
		{
		RsContext con = (RsContext)(_env->GetIntField(_this, gContextId));
		LOG_API("nContextSetSurface, con(%p), surface(%p)", con, (Surface *)wnd);

		Surface * window = NULL;
		if (wnd == NULL) {

		} else {
		jclass surface_class = _env->FindClass("android/view/Surface");
		jfieldID surfaceFieldID = _env->GetFieldID(surface_class, "mSurface", "I");
		window = (Surface*)_env->GetIntField(wnd, surfaceFieldID);
		}

		rsContextSetSurface(con, window);
		}

		static void
		nContextDestroy(JNIEnv *_env, jobject _this, jint con)
		{
		@@ -1328,6 +1346,7 @@ static JNINativeMethod methods[] = {
		{"nDeviceDestroy", "(I)V", (void*)nDeviceDestroy },
		{"nDeviceSetConfig", "(III)V", (void*)nDeviceSetConfig },
		{"nContextCreate", "(ILandroid/view/Surface;IZ)I", (void*)nContextCreate },
		{"nContextSetSurface", "(Landroid/view/Surface;)V", (void*)nContextSetSurface },
		{"nContextDestroy", "(I)V", (void*)nContextDestroy },
		{"nContextPause", "()V", (void*)nContextPause },
		{"nContextResume", "()V", (void*)nContextResume },

libs/rs/rs.spec

+4 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,10 @@ ContextPause {
		ContextResume {
		}

		ContextSetSurface {
		param void *sur
		}

		AssignName {
		param void *obj
		param const char *name

libs/rs/rsContext.cpp

+37 −21

Original line number	Diff line number	Diff line
		@@ -85,17 +85,6 @@ void Context::initEGL()
		}
		//eglChooseConfig(mEGL.mDisplay, configAttribs, &mEGL.mConfig, 1, &mEGL.mNumConfigs);

		if (mWndSurface) {
		mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
		} else {
		mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig,
		android_createDisplaySurface(),
		NULL);
		}
		checkEglError("eglCreateWindowSurface");
		if (mEGL.mSurface == EGL_NO_SURFACE) {
		LOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
		}

		mEGL.mContext = eglCreateContext(mEGL.mDisplay, mEGL.mConfig, EGL_NO_CONTEXT, NULL);
		checkEglError("eglCreateContext");
		@@ -104,10 +93,10 @@ void Context::initEGL()
		}
		gGLContextCount++;

		EGLBoolean ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
		checkEglError("eglCreateContext", ret);
		if (mEGL.mContext == EGL_NO_CONTEXT) {
		LOGE("eglCreateContext returned EGL_NO_CONTEXT");
		if (mWndSurface) {
		setSurface(mWndSurface);
		} else {
		setSurface((Surface *)android_createDisplaySurface());
		}

		eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
		@@ -134,12 +123,7 @@ void Context::initEGL()

		void Context::deinitEGL()
		{
		EGLBoolean ret = eglMakeCurrent(mEGL.mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
		checkEglError("eglCreateContext", ret);
		if (mEGL.mContext == EGL_NO_CONTEXT) {
		LOGE("eglCreateContext returned EGL_NO_CONTEXT");
		}

		setSurface(NULL);
		eglDestroyContext(mEGL.mDisplay, mEGL.mContext);
		checkEglError("eglDestroyContext");

		@@ -311,6 +295,7 @@ void * Context::threadProc(void *vrsc)
		while (!rsc->mExit) {
		mDraw \|= rsc->mIO.playCoreCommands(rsc, !mDraw);
		mDraw &= (rsc->mRootScript.get() != NULL);
		mDraw &= (rsc->mWndSurface != NULL);

		if (mDraw) {
		mDraw = rsc->runRootScript() && !rsc->mPaused;
		@@ -441,6 +426,32 @@ Context::~Context()
		objDestroyOOBDestroy();
		}

		void Context::setSurface(Surface *sur)
		{
		EGLBoolean ret;
		if (mEGL.mSurface != NULL) {
		ret = eglMakeCurrent(mEGL.mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
		checkEglError("eglMakeCurrent", ret);

		ret = eglDestroySurface(mEGL.mDisplay, mEGL.mSurface);
		checkEglError("eglDestroySurface", ret);

		mEGL.mSurface = NULL;
		}

		mWndSurface = sur;
		if (mWndSurface != NULL) {
		mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
		checkEglError("eglCreateWindowSurface");
		if (mEGL.mSurface == EGL_NO_SURFACE) {
		LOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
		}

		ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
		checkEglError("eglMakeCurrent", ret);
		}
		}

		void Context::pause()
		{
		mPaused = true;
		@@ -756,6 +767,11 @@ void rsi_ContextResume(Context *rsc)
		rsc->resume();
		}

		void rsi_ContextSetSurface(Context rsc, void sur)
		{
		rsc->setSurface((Surface *)sur);
		}

		}
		}