Merge "Add lockHardwareWideColorGamutCanvas." into pi-dev (c481d0a4) · Commits · e / os / android_frameworks_base

core/java/android/view/Surface.java

+48 −4

Original line number	Diff line number	Diff line
		@@ -396,7 +396,44 @@ public class Surface implements Parcelable {
		synchronized (mLock) {
		checkNotReleasedLocked();
		if (mHwuiContext == null) {
		mHwuiContext = new HwuiContext();
		mHwuiContext = new HwuiContext(false);
		}
		return mHwuiContext.lockCanvas(
		nativeGetWidth(mNativeObject),
		nativeGetHeight(mNativeObject));
		}
		}

		/**
		* Gets a {@link Canvas} for drawing into this surface that supports wide color gamut.
		*
		* After drawing into the provided {@link Canvas}, the caller must
		* invoke {@link #unlockCanvasAndPost} to post the new contents to the surface.
		*
		* Unlike {@link #lockCanvas(Rect)} and {@link #lockHardwareCanvas()},
		* this will return a hardware-accelerated canvas that supports wide color gamut.
		* See the <a href="{@docRoot}guide/topics/graphics/hardware-accel.html#unsupported">
		* unsupported drawing operations</a> for a list of what is and isn't
		* supported in a hardware-accelerated canvas. It is also required to
		* fully cover the surface every time {@link #lockHardwareCanvas()} is
		* called as the buffer is not preserved between frames. Partial updates
		* are not supported.
		*
		* @return A canvas for drawing into the surface.
		*
		* @throws IllegalStateException If the canvas cannot be locked.
		*
		* @hide
		*/
		public Canvas lockHardwareWideColorGamutCanvas() {
		synchronized (mLock) {
		checkNotReleasedLocked();
		if (mHwuiContext != null && !mHwuiContext.isWideColorGamut()) {
		mHwuiContext.destroy();
		mHwuiContext = null;
		}
		if (mHwuiContext == null) {
		mHwuiContext = new HwuiContext(true);
		}
		return mHwuiContext.lockCanvas(
		nativeGetWidth(mNativeObject),
		@@ -829,11 +866,14 @@ public class Surface implements Parcelable {
		private final RenderNode mRenderNode;
		private long mHwuiRenderer;
		private DisplayListCanvas mCanvas;
		private final boolean mIsWideColorGamut;

		HwuiContext() {
		HwuiContext(boolean isWideColorGamut) {
		mRenderNode = RenderNode.create("HwuiCanvas", null);
		mRenderNode.setClipToBounds(false);
		mHwuiRenderer = nHwuiCreate(mRenderNode.mNativeRenderNode, mNativeObject);
		mIsWideColorGamut = isWideColorGamut;
		mHwuiRenderer = nHwuiCreate(mRenderNode.mNativeRenderNode, mNativeObject,
		isWideColorGamut);
		}

		Canvas lockCanvas(int width, int height) {
		@@ -864,9 +904,13 @@ public class Surface implements Parcelable {
		mHwuiRenderer = 0;
		}
		}

		boolean isWideColorGamut() {
		return mIsWideColorGamut;
		}
		}

		private static native long nHwuiCreate(long rootNode, long surface);
		private static native long nHwuiCreate(long rootNode, long surface, boolean isWideColorGamut);
		private static native void nHwuiSetSurface(long renderer, long surface);
		private static native void nHwuiDraw(long renderer);
		private static native void nHwuiDestroy(long renderer);

core/jni/android_view_Surface.cpp

+6 −2

Original line number	Diff line number	Diff line
		@@ -546,12 +546,16 @@ public:
		}
		};

		static jlong create(JNIEnv* env, jclass clazz, jlong rootNodePtr, jlong surfacePtr) {
		static jlong create(JNIEnv* env, jclass clazz, jlong rootNodePtr, jlong surfacePtr,
		jboolean isWideColorGamut) {
		RenderNode* rootNode = reinterpret_cast<RenderNode*>(rootNodePtr);
		sp<Surface> surface(reinterpret_cast<Surface*>(surfacePtr));
		ContextFactory factory;
		RenderProxy* proxy = new RenderProxy(false, rootNode, &factory);
		proxy->loadSystemProperties();
		if (isWideColorGamut) {
		proxy->setWideGamut(true);
		}
		proxy->setSwapBehavior(SwapBehavior::kSwap_discardBuffer);
		proxy->initialize(surface);
		// Shadows can't be used via this interface, so just set the light source
		@@ -620,7 +624,7 @@ static const JNINativeMethod gSurfaceMethods[] = {
		{"nativeSetAutoRefreshEnabled", "(JZ)I", (void*)nativeSetAutoRefreshEnabled},

		// HWUI context
		{"nHwuiCreate", "(JJ)J", (void*) hwui::create },
		{"nHwuiCreate", "(JJZ)J", (void*) hwui::create },
		{"nHwuiSetSurface", "(JJ)V", (void*) hwui::setSurface },
		{"nHwuiDraw", "(J)V", (void*) hwui::draw },
		{"nHwuiDestroy", "(J)V", (void*) hwui::destroy },