Wire up SurfaceView stretch effect
Bug: 179047472
Test: StretchySurfaceViewActivity
Change-Id: I7f3d582cc66fb732a557e9332edc6d186db2335c
diff --git a/libs/hwui/DamageAccumulator.cpp b/libs/hwui/DamageAccumulator.cpp
index b39f4f2..0bf9480 100644
--- a/libs/hwui/DamageAccumulator.cpp
+++ b/libs/hwui/DamageAccumulator.cpp
@@ -249,5 +249,20 @@
mHead->pendingDirty.setEmpty();
}
+const StretchEffect* DamageAccumulator::findNearestStretchEffect() const {
+ DirtyStack* frame = mHead;
+ while (frame->prev != frame) {
+ frame = frame->prev;
+ if (frame->type == TransformRenderNode) {
+ const auto& effect =
+ frame->renderNode->properties().layerProperties().getStretchEffect();
+ if (!effect.isEmpty()) {
+ return &effect;
+ }
+ }
+ }
+ return nullptr;
+}
+
} /* namespace uirenderer */
} /* namespace android */
diff --git a/libs/hwui/DamageAccumulator.h b/libs/hwui/DamageAccumulator.h
index 2faa9d0..89ee0e3 100644
--- a/libs/hwui/DamageAccumulator.h
+++ b/libs/hwui/DamageAccumulator.h
@@ -35,6 +35,7 @@
struct DirtyStack;
class RenderNode;
class Matrix4;
+class StretchEffect;
class DamageAccumulator {
PREVENT_COPY_AND_ASSIGN(DamageAccumulator);
@@ -62,6 +63,8 @@
void finish(SkRect* totalDirty);
+ const StretchEffect* findNearestStretchEffect() const;
+
private:
void pushCommon();
void applyMatrix4Transform(DirtyStack* frame);
diff --git a/libs/hwui/RenderNode.cpp b/libs/hwui/RenderNode.cpp
index 44f54ee..f5b2675 100644
--- a/libs/hwui/RenderNode.cpp
+++ b/libs/hwui/RenderNode.cpp
@@ -226,6 +226,9 @@
if (!mProperties.getAllowForceDark()) {
info.disableForceDark++;
}
+ if (!mProperties.layerProperties().getStretchEffect().isEmpty()) {
+ info.stretchEffectCount++;
+ }
uint32_t animatorDirtyMask = 0;
if (CC_LIKELY(info.runAnimations)) {
@@ -267,6 +270,9 @@
if (!mProperties.getAllowForceDark()) {
info.disableForceDark--;
}
+ if (!mProperties.layerProperties().getStretchEffect().isEmpty()) {
+ info.stretchEffectCount--;
+ }
info.damageAccumulator->popTransform();
}
diff --git a/libs/hwui/RenderProperties.cpp b/libs/hwui/RenderProperties.cpp
index 8fba9cf..0589f13 100644
--- a/libs/hwui/RenderProperties.cpp
+++ b/libs/hwui/RenderProperties.cpp
@@ -70,6 +70,7 @@
setXferMode(other.xferMode());
setColorFilter(other.getColorFilter());
setImageFilter(other.getImageFilter());
+ mStretchEffect = other.mStretchEffect;
return *this;
}
diff --git a/libs/hwui/TreeInfo.h b/libs/hwui/TreeInfo.h
index f2481f8..cc9094c 100644
--- a/libs/hwui/TreeInfo.h
+++ b/libs/hwui/TreeInfo.h
@@ -98,6 +98,8 @@
const SkISize screenSize;
+ int stretchEffectCount = 0;
+
struct Out {
bool hasFunctors = false;
// This is only updated if evaluateAnimations is true
diff --git a/libs/hwui/jni/android_graphics_RenderNode.cpp b/libs/hwui/jni/android_graphics_RenderNode.cpp
index 8023968..5f60437 100644
--- a/libs/hwui/jni/android_graphics_RenderNode.cpp
+++ b/libs/hwui/jni/android_graphics_RenderNode.cpp
@@ -25,6 +25,7 @@
#include <renderthread/CanvasContext.h>
#endif
#include <TreeInfo.h>
+#include <effects/StretchEffect.h>
#include <hwui/Paint.h>
#include <utils/TraceUtils.h>
@@ -549,6 +550,7 @@
// ----------------------------------------------------------------------------
jmethodID gPositionListener_PositionChangedMethod;
+jmethodID gPositionListener_ApplyStretchMethod;
jmethodID gPositionListener_PositionLostMethod;
static void android_view_RenderNode_requestPositionUpdates(JNIEnv* env, jobject,
@@ -571,6 +573,11 @@
Matrix4 transform;
info.damageAccumulator->computeCurrentTransform(&transform);
const RenderProperties& props = node.properties();
+
+ if (info.stretchEffectCount) {
+ handleStretchEffect(info, transform);
+ }
+
uirenderer::Rect bounds(props.getWidth(), props.getHeight());
transform.mapRect(bounds);
@@ -613,7 +620,7 @@
JNIEnv* env = jnienv();
jobject localref = env->NewLocalRef(mWeakRef);
if (CC_UNLIKELY(!localref)) {
- jnienv()->DeleteWeakGlobalRef(mWeakRef);
+ env->DeleteWeakGlobalRef(mWeakRef);
mWeakRef = nullptr;
return;
}
@@ -634,6 +641,32 @@
return env;
}
+ void handleStretchEffect(const TreeInfo& info, const Matrix4& transform) {
+ // Search up to find the nearest stretcheffect parent
+ const StretchEffect* effect = info.damageAccumulator->findNearestStretchEffect();
+ if (!effect) {
+ return;
+ }
+
+ uirenderer::Rect area = effect->stretchArea;
+ transform.mapRect(area);
+ JNIEnv* env = jnienv();
+
+ jobject localref = env->NewLocalRef(mWeakRef);
+ if (CC_UNLIKELY(!localref)) {
+ env->DeleteWeakGlobalRef(mWeakRef);
+ mWeakRef = nullptr;
+ return;
+ }
+#ifdef __ANDROID__ // Layoutlib does not support CanvasContext
+ env->CallVoidMethod(localref, gPositionListener_ApplyStretchMethod,
+ info.canvasContext.getFrameNumber(), area.left, area.top,
+ area.right, area.bottom, effect->stretchDirection.fX,
+ effect->stretchDirection.fY, effect->maxStretchAmount);
+#endif
+ env->DeleteLocalRef(localref);
+ }
+
void doUpdatePositionAsync(jlong frameNumber, jint left, jint top,
jint right, jint bottom) {
ATRACE_NAME("Update SurfaceView position");
@@ -775,6 +808,8 @@
jclass clazz = FindClassOrDie(env, "android/graphics/RenderNode$PositionUpdateListener");
gPositionListener_PositionChangedMethod = GetMethodIDOrDie(env, clazz,
"positionChanged", "(JIIII)V");
+ gPositionListener_ApplyStretchMethod =
+ GetMethodIDOrDie(env, clazz, "applyStretch", "(JFFFFFFF)V");
gPositionListener_PositionLostMethod = GetMethodIDOrDie(env, clazz,
"positionLost", "(J)V");
return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));