Add setBackdropRenderEffect for View and RenderNode.
support visual effects for backdrop contents of a View or RenderNode.
Test: added unit test & hwui_unit passes
Test: added BackdropBlurActivity in HwAccelerationTest, build & run it
Signed-off-by: Dongya Jiang <jiangdongya@coolpad.com>
Change-Id: If1ac1b8aee53667f175e8fa80ecfc7bdfa28173d
diff --git a/libs/hwui/tests/unit/RenderNodeDrawableTests.cpp b/libs/hwui/tests/unit/RenderNodeDrawableTests.cpp
index dd95c4f..1e055c2 100644
--- a/libs/hwui/tests/unit/RenderNodeDrawableTests.cpp
+++ b/libs/hwui/tests/unit/RenderNodeDrawableTests.cpp
@@ -14,20 +14,22 @@
* limitations under the License.
*/
-#include <VectorDrawable.h>
-#include <gtest/gtest.h>
-
#include <SkBlendMode.h>
#include <SkClipStack.h>
#include <SkSurface_Base.h>
+#include <VectorDrawable.h>
+#include <gtest/gtest.h>
+#include <include/effects/SkImageFilters.h>
#include <string.h>
+
#include "AnimationContext.h"
#include "DamageAccumulator.h"
#include "FatalTestCanvas.h"
#include "IContextFactory.h"
-#include "hwui/Paint.h"
#include "RecordingCanvas.h"
#include "SkiaCanvas.h"
+#include "hwui/Paint.h"
+#include "pipeline/skia/BackdropFilterDrawable.h"
#include "pipeline/skia/SkiaDisplayList.h"
#include "pipeline/skia/SkiaOpenGLPipeline.h"
#include "pipeline/skia/SkiaPipeline.h"
@@ -1211,3 +1213,77 @@
canvas.drawDrawable(&drawable);
EXPECT_EQ(2, canvas.mDrawCounter);
}
+
+// Verify drawing logics for BackdropFilterDrawable
+RENDERTHREAD_TEST(BackdropFilterDrawable, drawing) {
+ static const int CANVAS_WIDTH = 100;
+ static const int CANVAS_HEIGHT = 200;
+ class SimpleTestCanvas : public TestCanvasBase {
+ public:
+ SkRect mDstBounds;
+ SimpleTestCanvas() : TestCanvasBase(CANVAS_WIDTH, CANVAS_HEIGHT) {}
+ void onDrawRect(const SkRect& rect, const SkPaint& paint) override {
+ // did nothing.
+ }
+
+ // called when BackdropFilterDrawable is drawn.
+ void onDrawImageRect2(const SkImage*, const SkRect& src, const SkRect& dst,
+ const SkSamplingOptions&, const SkPaint*,
+ SrcRectConstraint) override {
+ mDrawCounter++;
+ mDstBounds = dst;
+ }
+ };
+ class SimpleLayer : public SkSurface_Base {
+ public:
+ SimpleLayer()
+ : SkSurface_Base(SkImageInfo::MakeN32Premul(CANVAS_WIDTH, CANVAS_HEIGHT), nullptr) {
+ }
+ virtual sk_sp<SkImage> onNewImageSnapshot(const SkIRect* bounds) override {
+ SkBitmap bitmap;
+ bitmap.allocN32Pixels(CANVAS_WIDTH, CANVAS_HEIGHT);
+ bitmap.setImmutable();
+ return bitmap.asImage();
+ }
+ SkCanvas* onNewCanvas() override { return new SimpleTestCanvas(); }
+ sk_sp<SkSurface> onNewSurface(const SkImageInfo&) override { return nullptr; }
+ bool onCopyOnWrite(ContentChangeMode) override { return true; }
+ void onWritePixels(const SkPixmap&, int x, int y) {}
+ };
+
+ auto node = TestUtils::createSkiaNode(0, 0, CANVAS_WIDTH, CANVAS_HEIGHT,
+ [](RenderProperties& props, SkiaRecordingCanvas& canvas) {
+ canvas.drawRect(0, 0, CANVAS_WIDTH, CANVAS_HEIGHT,
+ Paint());
+ });
+
+ sk_sp<SkSurface> surface(new SimpleLayer());
+ auto* canvas = reinterpret_cast<SimpleTestCanvas*>(surface->getCanvas());
+ RenderNodeDrawable drawable(node.get(), canvas, true);
+ BackdropFilterDrawable backdropDrawable(node.get(), canvas);
+ canvas->drawDrawable(&drawable);
+ canvas->drawDrawable(&backdropDrawable);
+ // no backdrop filter, skip drawing.
+ EXPECT_EQ(0, canvas->mDrawCounter);
+
+ sk_sp<SkImageFilter> filter(SkImageFilters::Blur(3, 3, nullptr));
+ node->animatorProperties().mutateLayerProperties().setBackdropImageFilter(filter.get());
+ canvas->drawDrawable(&drawable);
+ canvas->drawDrawable(&backdropDrawable);
+ // backdrop filter is set, ok to draw.
+ EXPECT_EQ(1, canvas->mDrawCounter);
+ EXPECT_EQ(SkRect::MakeLTRB(0, 0, CANVAS_WIDTH, CANVAS_HEIGHT), canvas->mDstBounds);
+
+ canvas->translate(30, 30);
+ canvas->drawDrawable(&drawable);
+ canvas->drawDrawable(&backdropDrawable);
+ // the drawable is still visible, ok to draw.
+ EXPECT_EQ(2, canvas->mDrawCounter);
+ EXPECT_EQ(SkRect::MakeLTRB(0, 0, CANVAS_WIDTH - 30, CANVAS_HEIGHT - 30), canvas->mDstBounds);
+
+ canvas->translate(CANVAS_WIDTH, CANVAS_HEIGHT);
+ canvas->drawDrawable(&drawable);
+ canvas->drawDrawable(&backdropDrawable);
+ // the drawable is invisible, skip drawing.
+ EXPECT_EQ(2, canvas->mDrawCounter);
+}