Merge "Merge Android R"

1 files changed, 160 insertions, 0 deletions

diff --git a/services/surfaceflinger/EffectLayer.cpp b/services/surfaceflinger/EffectLayer.cpp
new file mode 100644
index 0000000000..44d4d756e0
--- /dev/null
+++ b/services/surfaceflinger/EffectLayer.cpp
@@ -0,0 +1,160 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wconversion"
+
+// #define LOG_NDEBUG 0
+#undef LOG_TAG
+#define LOG_TAG "EffectLayer"
+
+#include "EffectLayer.h"
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include <compositionengine/CompositionEngine.h>
+#include <compositionengine/LayerFECompositionState.h>
+#include <renderengine/RenderEngine.h>
+#include <ui/GraphicBuffer.h>
+#include <utils/Errors.h>
+#include <utils/Log.h>
+
+#include "DisplayDevice.h"
+#include "SurfaceFlinger.h"
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+EffectLayer::EffectLayer(const LayerCreationArgs& args)
+      : Layer(args),
+        mCompositionState{mFlinger->getCompositionEngine().createLayerFECompositionState()} {}
+
+EffectLayer::~EffectLayer() = default;
+
+std::vector<compositionengine::LayerFE::LayerSettings> EffectLayer::prepareClientCompositionList(
+        compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
+    std::vector<compositionengine::LayerFE::LayerSettings> results;
+    std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
+            prepareClientComposition(targetSettings);
+    // Nothing to render.
+    if (!layerSettings) {
+        return {};
+    }
+
+    std::optional<compositionengine::LayerFE::LayerSettings> shadowSettings =
+            prepareShadowClientComposition(*layerSettings, targetSettings.viewport,
+                                           targetSettings.dataspace);
+    if (shadowSettings) {
+        results.push_back(*shadowSettings);
+    }
+
+    // If fill bounds are occluded or the fill color is invalid skip the fill settings.
+    if (targetSettings.realContentIsVisible && fillsColor()) {
+        // Set color for color fill settings.
+        layerSettings->source.solidColor = getColor().rgb;
+        results.push_back(*layerSettings);
+    } else if (hasBlur()) {
+        results.push_back(*layerSettings);
+    }
+
+    return results;
+}
+
+bool EffectLayer::isVisible() const {
+    return !isHiddenByPolicy() && getAlpha() > 0.0_hf && hasSomethingToDraw();
+}
+
+bool EffectLayer::setColor(const half3& color) {
+    if (mCurrentState.color.r == color.r && mCurrentState.color.g == color.g &&
+        mCurrentState.color.b == color.b) {
+        return false;
+    }
+
+    mCurrentState.sequence++;
+    mCurrentState.color.r = color.r;
+    mCurrentState.color.g = color.g;
+    mCurrentState.color.b = color.b;
+    mCurrentState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+bool EffectLayer::setDataspace(ui::Dataspace dataspace) {
+    if (mCurrentState.dataspace == dataspace) {
+        return false;
+    }
+
+    mCurrentState.sequence++;
+    mCurrentState.dataspace = dataspace;
+    mCurrentState.modified = true;
+    setTransactionFlags(eTransactionNeeded);
+    return true;
+}
+
+void EffectLayer::preparePerFrameCompositionState() {
+    Layer::preparePerFrameCompositionState();
+
+    auto* compositionState = editCompositionState();
+    compositionState->color = getColor();
+    compositionState->compositionType = Hwc2::IComposerClient::Composition::SOLID_COLOR;
+}
+
+sp<compositionengine::LayerFE> EffectLayer::getCompositionEngineLayerFE() const {
+    return asLayerFE();
+}
+
+compositionengine::LayerFECompositionState* EffectLayer::editCompositionState() {
+    return mCompositionState.get();
+}
+
+const compositionengine::LayerFECompositionState* EffectLayer::getCompositionState() const {
+    return mCompositionState.get();
+}
+
+bool EffectLayer::isOpaque(const Layer::State& s) const {
+    // Consider the layer to be opaque if its opaque flag is set or its effective
+    // alpha (considering the alpha of its parents as well) is 1.0;
+    return (s.flags & layer_state_t::eLayerOpaque) != 0 || getAlpha() == 1.0_hf;
+}
+
+ui::Dataspace EffectLayer::getDataSpace() const {
+    return mDrawingState.dataspace;
+}
+
+sp<Layer> EffectLayer::createClone() {
+    sp<EffectLayer> layer = mFlinger->getFactory().createEffectLayer(
+            LayerCreationArgs(mFlinger.get(), nullptr, mName + " (Mirror)", 0, 0, 0,
+                              LayerMetadata()));
+    layer->setInitialValuesForClone(this);
+    return layer;
+}
+
+bool EffectLayer::fillsColor() const {
+    return mDrawingState.color.r >= 0.0_hf && mDrawingState.color.g >= 0.0_hf &&
+            mDrawingState.color.b >= 0.0_hf;
+}
+
+bool EffectLayer::hasBlur() const {
+    return getBackgroundBlurRadius() > 0;
+}
+
+} // namespace android
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic pop // ignored "-Wconversion"