Implement pause/resume for the RS thread.
diff --git a/graphics/java/android/renderscript/RSSurfaceView.java b/graphics/java/android/renderscript/RSSurfaceView.java
index 3d6acc9..b46a749 100644
--- a/graphics/java/android/renderscript/RSSurfaceView.java
+++ b/graphics/java/android/renderscript/RSSurfaceView.java
@@ -36,6 +36,7 @@
**/
public class RSSurfaceView extends SurfaceView implements SurfaceHolder.Callback {
private SurfaceHolder mSurfaceHolder;
+ private RenderScript mRS;
/**
* Standard View constructor. In order to render something, you
@@ -97,6 +98,9 @@
* Must not be called before a renderer has been set.
*/
public void onPause() {
+ if(mRS != null) {
+ mRS.pause();
+ }
Log.v(RenderScript.LOG_TAG, "onPause");
}
@@ -108,6 +112,9 @@
* Must not be called before a renderer has been set.
*/
public void onResume() {
+ if(mRS != null) {
+ mRS.resume();
+ }
Log.v(RenderScript.LOG_TAG, "onResume");
}
@@ -138,8 +145,8 @@
while ((sur == null) || (mSurfaceHolder == null)) {
sur = getHolder().getSurface();
}
- RenderScript rs = new RenderScript(sur, useDepth, forceSW);
- return rs;
+ mRS = new RenderScript(sur, useDepth, forceSW);
+ return mRS;
}
public RenderScript createRenderScript(boolean useDepth) {
diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index b7cd21b..f815f52 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -73,6 +73,8 @@
native void nContextBindProgramRaster(int pr);
native void nContextAddDefineI32(String name, int value);
native void nContextAddDefineF(String name, float value);
+ native void nContextPause();
+ native void nContextResume();
native void nAssignName(int obj, byte[] name);
native void nObjDestroy(int id);
@@ -217,6 +219,14 @@
mDev = 0;
}
+ void pause() {
+ nContextPause();
+ }
+
+ void resume() {
+ nContextResume();
+ }
+
//////////////////////////////////////////////////////////////////////////////////
// File
diff --git a/graphics/jni/android_renderscript_RenderScript.cpp b/graphics/jni/android_renderscript_RenderScript.cpp
index f86d86a..9054b65 100644
--- a/graphics/jni/android_renderscript_RenderScript.cpp
+++ b/graphics/jni/android_renderscript_RenderScript.cpp
@@ -179,6 +179,22 @@
static void
+nContextPause(JNIEnv *_env, jobject _this)
+{
+ RsContext con = (RsContext)(_env->GetIntField(_this, gContextId));
+ LOG_API("nContextPause, con(%p)", con);
+ rsContextPause(con);
+}
+
+static void
+nContextResume(JNIEnv *_env, jobject _this)
+{
+ RsContext con = (RsContext)(_env->GetIntField(_this, gContextId));
+ LOG_API("nContextResume, con(%p)", con);
+ rsContextResume(con);
+}
+
+static void
nElementBegin(JNIEnv *_env, jobject _this)
{
RsContext con = (RsContext)(_env->GetIntField(_this, gContextId));
@@ -1282,6 +1298,8 @@
{"nDeviceSetConfig", "(III)V", (void*)nDeviceSetConfig },
{"nContextCreate", "(ILandroid/view/Surface;IZ)I", (void*)nContextCreate },
{"nContextDestroy", "(I)V", (void*)nContextDestroy },
+{"nContextPause", "()V", (void*)nContextPause },
+{"nContextResume", "()V", (void*)nContextResume },
{"nAssignName", "(I[B)V", (void*)nAssignName },
{"nObjDestroy", "(I)V", (void*)nObjDestroy },
{"nObjDestroyOOB", "(I)V", (void*)nObjDestroyOOB },
diff --git a/libs/rs/rs.spec b/libs/rs/rs.spec
index 8cdf2b7..a393e2f 100644
--- a/libs/rs/rs.spec
+++ b/libs/rs/rs.spec
@@ -30,6 +30,12 @@
param int32_t value
}
+ContextPause {
+ }
+
+ContextResume {
+ }
+
AssignName {
param void *obj
param const char *name
diff --git a/libs/rs/rsContext.cpp b/libs/rs/rsContext.cpp
index e3236c4..2fe762c 100644
--- a/libs/rs/rsContext.cpp
+++ b/libs/rs/rsContext.cpp
@@ -251,7 +251,7 @@
mDraw &= (rsc->mRootScript.get() != NULL);
if (mDraw) {
- mDraw = rsc->runRootScript();
+ mDraw = rsc->runRootScript() && !rsc->mPaused;
if (rsc->logTimes) {
rsc->timerSet(RS_TIMER_CLEAR_SWAP);
}
@@ -285,6 +285,7 @@
mRunning = false;
mExit = false;
mUseDepth = useDepth;
+ mPaused = false;
int status;
pthread_attr_t threadAttr;
@@ -328,6 +329,7 @@
{
LOGV("Context::~Context");
mExit = true;
+ mPaused = false;
void *res;
mIO.shutdown();
@@ -342,6 +344,16 @@
objDestroyOOBDestroy();
}
+void Context::pause()
+{
+ mPaused = true;
+}
+
+void Context::resume()
+{
+ mPaused = false;
+}
+
void Context::setRootScript(Script *s)
{
mRootScript.set(s);
@@ -578,6 +590,16 @@
rsc->addFloatDefine(name, value);
}
+void rsi_ContextPause(Context *rsc)
+{
+ rsc->pause();
+}
+
+void rsi_ContextResume(Context *rsc)
+{
+ rsc->resume();
+}
+
}
}
diff --git a/libs/rs/rsContext.h b/libs/rs/rsContext.h
index 8cabf87..0a886cd 100644
--- a/libs/rs/rsContext.h
+++ b/libs/rs/rsContext.h
@@ -88,6 +88,9 @@
void setupCheck();
void allocationCheck(const Allocation *);
+ void pause();
+ void resume();
+
void assignName(ObjectBase *obj, const char *name, uint32_t len);
void removeName(ObjectBase *obj);
ObjectBase * lookupName(const char *name) const;
@@ -171,6 +174,7 @@
bool mRunning;
bool mExit;
bool mUseDepth;
+ bool mPaused;
pthread_t mThreadId;