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-rw-r--r--libs/gui/LayerState.cpp7
-rw-r--r--libs/gui/SurfaceComposerClient.cpp14
-rw-r--r--libs/gui/aidl/android/gui/EdgeExtensionParameters.aidl27
-rw-r--r--libs/gui/include/gui/LayerState.h7
-rw-r--r--libs/gui/include/gui/SurfaceComposerClient.h12
-rw-r--r--libs/renderengine/Android.bp1
-rw-r--r--libs/renderengine/include/renderengine/LayerSettings.h14
-rw-r--r--libs/renderengine/skia/SkiaRenderEngine.cpp47
-rw-r--r--libs/renderengine/skia/SkiaRenderEngine.h3
-rw-r--r--libs/renderengine/skia/filters/EdgeExtensionShaderFactory.cpp80
-rw-r--r--libs/renderengine/skia/filters/EdgeExtensionShaderFactory.h42
-rw-r--r--libs/ui/include/ui/EdgeExtensionEffect.h95
-rw-r--r--services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h5
-rw-r--r--services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp3
-rw-r--r--services/surfaceflinger/FrontEnd/LayerSnapshot.cpp10
-rw-r--r--services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp67
-rw-r--r--services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h4
-rw-r--r--services/surfaceflinger/FrontEnd/RequestedLayerState.cpp5
-rw-r--r--services/surfaceflinger/LayerFE.cpp1
19 files changed, 413 insertions, 31 deletions
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 3745805aa3..307ae3990e 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -177,6 +177,7 @@ status_t layer_state_t::write(Parcel& output) const
}
SAFE_PARCEL(output.write, stretchEffect);
+ SAFE_PARCEL(output.writeParcelable, edgeExtensionParameters);
SAFE_PARCEL(output.write, bufferCrop);
SAFE_PARCEL(output.write, destinationFrame);
SAFE_PARCEL(output.writeInt32, static_cast<uint32_t>(trustedOverlay));
@@ -306,6 +307,7 @@ status_t layer_state_t::read(const Parcel& input)
}
SAFE_PARCEL(input.read, stretchEffect);
+ SAFE_PARCEL(input.readParcelable, &edgeExtensionParameters);
SAFE_PARCEL(input.read, bufferCrop);
SAFE_PARCEL(input.read, destinationFrame);
uint32_t trustedOverlayInt;
@@ -682,6 +684,10 @@ void layer_state_t::merge(const layer_state_t& other) {
what |= eStretchChanged;
stretchEffect = other.stretchEffect;
}
+ if (other.what & eEdgeExtensionChanged) {
+ what |= eEdgeExtensionChanged;
+ edgeExtensionParameters = other.edgeExtensionParameters;
+ }
if (other.what & eBufferCropChanged) {
what |= eBufferCropChanged;
bufferCrop = other.bufferCrop;
@@ -783,6 +789,7 @@ uint64_t layer_state_t::diff(const layer_state_t& other) const {
CHECK_DIFF(diff, eAutoRefreshChanged, other, autoRefresh);
CHECK_DIFF(diff, eTrustedOverlayChanged, other, trustedOverlay);
CHECK_DIFF(diff, eStretchChanged, other, stretchEffect);
+ CHECK_DIFF(diff, eEdgeExtensionChanged, other, edgeExtensionParameters);
CHECK_DIFF(diff, eBufferCropChanged, other, bufferCrop);
CHECK_DIFF(diff, eDestinationFrameChanged, other, destinationFrame);
if (other.what & eProducerDisconnect) diff |= eProducerDisconnect;
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 902684cf03..88d3a7cb1d 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -22,6 +22,7 @@
#include <android/gui/BnWindowInfosReportedListener.h>
#include <android/gui/DisplayState.h>
+#include <android/gui/EdgeExtensionParameters.h>
#include <android/gui/ISurfaceComposerClient.h>
#include <android/gui/IWindowInfosListener.h>
#include <android/gui/TrustedPresentationThresholds.h>
@@ -2330,6 +2331,19 @@ SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setStret
return *this;
}
+SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setEdgeExtensionEffect(
+ const sp<SurfaceControl>& sc, const gui::EdgeExtensionParameters& effect) {
+ layer_state_t* s = getLayerState(sc);
+ if (!s) {
+ mStatus = BAD_INDEX;
+ return *this;
+ }
+
+ s->what |= layer_state_t::eEdgeExtensionChanged;
+ s->edgeExtensionParameters = effect;
+ return *this;
+}
+
SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setBufferCrop(
const sp<SurfaceControl>& sc, const Rect& bufferCrop) {
layer_state_t* s = getLayerState(sc);
diff --git a/libs/gui/aidl/android/gui/EdgeExtensionParameters.aidl b/libs/gui/aidl/android/gui/EdgeExtensionParameters.aidl
new file mode 100644
index 0000000000..44f4259f74
--- /dev/null
+++ b/libs/gui/aidl/android/gui/EdgeExtensionParameters.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2024 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.
+ */
+
+package android.gui;
+
+
+/** @hide */
+parcelable EdgeExtensionParameters {
+ // These represent the translation of the window as requested by the animation
+ boolean extendRight;
+ boolean extendLeft;
+ boolean extendTop;
+ boolean extendBottom;
+} \ No newline at end of file
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index 5f2f8dc013..3fb1894585 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -29,6 +29,7 @@
#include <math/mat4.h>
#include <android/gui/DropInputMode.h>
+#include <android/gui/EdgeExtensionParameters.h>
#include <android/gui/FocusRequest.h>
#include <android/gui/TrustedOverlay.h>
@@ -218,6 +219,7 @@ struct layer_state_t {
eTrustedOverlayChanged = 0x4000'00000000,
eDropInputModeChanged = 0x8000'00000000,
eExtendedRangeBrightnessChanged = 0x10000'00000000,
+ eEdgeExtensionChanged = 0x20000'00000000,
};
layer_state_t();
@@ -241,7 +243,7 @@ struct layer_state_t {
layer_state_t::eCropChanged | layer_state_t::eDestinationFrameChanged |
layer_state_t::eMatrixChanged | layer_state_t::ePositionChanged |
layer_state_t::eTransformToDisplayInverseChanged |
- layer_state_t::eTransparentRegionChanged;
+ layer_state_t::eTransparentRegionChanged | layer_state_t::eEdgeExtensionChanged;
// Buffer and related updates.
static constexpr uint64_t BUFFER_CHANGES = layer_state_t::eApiChanged |
@@ -393,6 +395,9 @@ struct layer_state_t {
// Stretch effect to be applied to this layer
StretchEffect stretchEffect;
+ // Edge extension effect to be applied to this layer
+ gui::EdgeExtensionParameters edgeExtensionParameters;
+
Rect bufferCrop;
Rect destinationFrame;
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 88c0c53e12..a10283b371 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -35,6 +35,7 @@
#include <ui/BlurRegion.h>
#include <ui/ConfigStoreTypes.h>
#include <ui/DisplayedFrameStats.h>
+#include <ui/EdgeExtensionEffect.h>
#include <ui/FrameStats.h>
#include <ui/GraphicTypes.h>
#include <ui/PixelFormat.h>
@@ -744,6 +745,17 @@ public:
Transaction& setStretchEffect(const sp<SurfaceControl>& sc,
const StretchEffect& stretchEffect);
+ /**
+ * Provides the edge extension effect configured on a container that the
+ * surface is rendered within.
+ * @param sc target surface the edge extension should be applied to
+ * @param effect the corresponding EdgeExtensionParameters to be applied
+ * to the surface.
+ * @return The transaction being constructed
+ */
+ Transaction& setEdgeExtensionEffect(const sp<SurfaceControl>& sc,
+ const gui::EdgeExtensionParameters& effect);
+
Transaction& setBufferCrop(const sp<SurfaceControl>& sc, const Rect& bufferCrop);
Transaction& setDestinationFrame(const sp<SurfaceControl>& sc,
const Rect& destinationFrame);
diff --git a/libs/renderengine/Android.bp b/libs/renderengine/Android.bp
index 4a04467308..ecf98c6696 100644
--- a/libs/renderengine/Android.bp
+++ b/libs/renderengine/Android.bp
@@ -105,6 +105,7 @@ filegroup {
"skia/filters/LinearEffect.cpp",
"skia/filters/MouriMap.cpp",
"skia/filters/StretchShaderFactory.cpp",
+ "skia/filters/EdgeExtensionShaderFactory.cpp",
],
}
diff --git a/libs/renderengine/include/renderengine/LayerSettings.h b/libs/renderengine/include/renderengine/LayerSettings.h
index 8ac0af47c6..859ae8b6e2 100644
--- a/libs/renderengine/include/renderengine/LayerSettings.h
+++ b/libs/renderengine/include/renderengine/LayerSettings.h
@@ -31,6 +31,7 @@
#include <ui/ShadowSettings.h>
#include <ui/StretchEffect.h>
#include <ui/Transform.h>
+#include "ui/EdgeExtensionEffect.h"
#include <iosfwd>
@@ -134,6 +135,7 @@ struct LayerSettings {
mat4 blurRegionTransform = mat4();
StretchEffect stretchEffect;
+ EdgeExtensionEffect edgeExtensionEffect;
// Name associated with the layer for debugging purposes.
std::string name;
@@ -183,7 +185,9 @@ static inline bool operator==(const LayerSettings& lhs, const LayerSettings& rhs
lhs.skipContentDraw == rhs.skipContentDraw && lhs.shadow == rhs.shadow &&
lhs.backgroundBlurRadius == rhs.backgroundBlurRadius &&
lhs.blurRegionTransform == rhs.blurRegionTransform &&
- lhs.stretchEffect == rhs.stretchEffect && lhs.whitePointNits == rhs.whitePointNits;
+ lhs.stretchEffect == rhs.stretchEffect &&
+ lhs.edgeExtensionEffect == rhs.edgeExtensionEffect &&
+ lhs.whitePointNits == rhs.whitePointNits;
}
static inline void PrintTo(const Buffer& settings, ::std::ostream* os) {
@@ -254,6 +258,10 @@ static inline void PrintTo(const StretchEffect& effect, ::std::ostream* os) {
*os << "\n}";
}
+static inline void PrintTo(const EdgeExtensionEffect& effect, ::std::ostream* os) {
+ *os << effect;
+}
+
static inline void PrintTo(const LayerSettings& settings, ::std::ostream* os) {
*os << "LayerSettings for '" << settings.name.c_str() << "' {";
*os << "\n .geometry = ";
@@ -285,6 +293,10 @@ static inline void PrintTo(const LayerSettings& settings, ::std::ostream* os) {
*os << "\n .stretchEffect = ";
PrintTo(settings.stretchEffect, os);
}
+
+ if (settings.edgeExtensionEffect.hasEffect()) {
+ *os << "\n .edgeExtensionEffect = " << settings.edgeExtensionEffect;
+ }
*os << "\n .whitePointNits = " << settings.whitePointNits;
*os << "\n}";
}
diff --git a/libs/renderengine/skia/SkiaRenderEngine.cpp b/libs/renderengine/skia/SkiaRenderEngine.cpp
index 5f37125d16..a609f2d2b3 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaRenderEngine.cpp
@@ -507,16 +507,24 @@ sk_sp<SkShader> SkiaRenderEngine::createRuntimeEffectShader(
const RuntimeEffectShaderParameters& parameters) {
// The given surface will be stretched by HWUI via matrix transformation
// which gets similar results for most surfaces
- // Determine later on if we need to leverage the stertch shader within
+ // Determine later on if we need to leverage the stretch shader within
// surface flinger
const auto& stretchEffect = parameters.layer.stretchEffect;
const auto& targetBuffer = parameters.layer.source.buffer.buffer;
+ const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
+
auto shader = parameters.shader;
- if (stretchEffect.hasEffect()) {
- const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
- if (graphicBuffer && shader) {
+ if (graphicBuffer && parameters.shader) {
+ if (stretchEffect.hasEffect()) {
shader = mStretchShaderFactory.createSkShader(shader, stretchEffect);
}
+ // The given surface requires to be filled outside of its buffer bounds if the edge
+ // extension is required
+ const auto& edgeExtensionEffect = parameters.layer.edgeExtensionEffect;
+ if (edgeExtensionEffect.hasEffect()) {
+ shader = mEdgeExtensionShaderFactory.createSkShader(shader, parameters.layer,
+ parameters.imageBounds);
+ }
}
if (parameters.requiresLinearEffect) {
@@ -566,8 +574,6 @@ sk_sp<SkShader> SkiaRenderEngine::createRuntimeEffectShader(
parameters.layerDimmingRatio, 1.f));
}
- const auto targetBuffer = parameters.layer.source.buffer.buffer;
- const auto graphicBuffer = targetBuffer ? targetBuffer->getBuffer() : nullptr;
const auto hardwareBuffer = graphicBuffer ? graphicBuffer->toAHardwareBuffer() : nullptr;
return createLinearEffectShader(shader, effect, runtimeEffect, std::move(colorTransform),
parameters.display.maxLuminance,
@@ -1039,18 +1045,20 @@ void SkiaRenderEngine::drawLayersInternal(
toSkColorSpace(layerDataspace)));
}
- paint.setShader(createRuntimeEffectShader(
- RuntimeEffectShaderParameters{.shader = shader,
- .layer = layer,
- .display = display,
- .undoPremultipliedAlpha = !item.isOpaque &&
- item.usePremultipliedAlpha,
- .requiresLinearEffect = requiresLinearEffect,
- .layerDimmingRatio = dimInLinearSpace
- ? layerDimmingRatio
- : 1.f,
- .outputDataSpace = display.outputDataspace,
- .fakeOutputDataspace = fakeDataspace}));
+ SkRect imageBounds;
+ matrix.mapRect(&imageBounds, SkRect::Make(image->bounds()));
+
+ paint.setShader(createRuntimeEffectShader(RuntimeEffectShaderParameters{
+ .shader = shader,
+ .layer = layer,
+ .display = display,
+ .undoPremultipliedAlpha = !item.isOpaque && item.usePremultipliedAlpha,
+ .requiresLinearEffect = requiresLinearEffect,
+ .layerDimmingRatio = dimInLinearSpace ? layerDimmingRatio : 1.f,
+ .outputDataSpace = display.outputDataspace,
+ .fakeOutputDataspace = fakeDataspace,
+ .imageBounds = imageBounds,
+ }));
// Turn on dithering when dimming beyond this (arbitrary) threshold...
static constexpr float kDimmingThreshold = 0.9f;
@@ -1118,7 +1126,8 @@ void SkiaRenderEngine::drawLayersInternal(
.requiresLinearEffect = requiresLinearEffect,
.layerDimmingRatio = layerDimmingRatio,
.outputDataSpace = display.outputDataspace,
- .fakeOutputDataspace = fakeDataspace}));
+ .fakeOutputDataspace = fakeDataspace,
+ .imageBounds = SkRect::MakeEmpty()}));
}
if (layer.disableBlending) {
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index c8f9241257..224a1cad92 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -38,6 +38,7 @@
#include "compat/SkiaGpuContext.h"
#include "debug/SkiaCapture.h"
#include "filters/BlurFilter.h"
+#include "filters/EdgeExtensionShaderFactory.h"
#include "filters/LinearEffect.h"
#include "filters/StretchShaderFactory.h"
@@ -156,6 +157,7 @@ private:
float layerDimmingRatio;
const ui::Dataspace outputDataSpace;
const ui::Dataspace fakeOutputDataspace;
+ const SkRect& imageBounds;
};
sk_sp<SkShader> createRuntimeEffectShader(const RuntimeEffectShaderParameters&);
@@ -175,6 +177,7 @@ private:
AutoBackendTexture::CleanupManager mTextureCleanupMgr GUARDED_BY(mRenderingMutex);
StretchShaderFactory mStretchShaderFactory;
+ EdgeExtensionShaderFactory mEdgeExtensionShaderFactory;
sp<Fence> mLastDrawFence;
BlurFilter* mBlurFilter = nullptr;
diff --git a/libs/renderengine/skia/filters/EdgeExtensionShaderFactory.cpp b/libs/renderengine/skia/filters/EdgeExtensionShaderFactory.cpp
new file mode 100644
index 0000000000..1dbcc29190
--- /dev/null
+++ b/libs/renderengine/skia/filters/EdgeExtensionShaderFactory.cpp
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+#include "EdgeExtensionShaderFactory.h"
+#include <SkPoint.h>
+#include <SkRuntimeEffect.h>
+#include <SkStream.h>
+#include <SkString.h>
+#include "log/log_main.h"
+
+namespace android::renderengine::skia {
+
+static const SkString edgeShader = SkString(R"(
+ uniform shader uContentTexture;
+ uniform vec2 uImgSize;
+
+ // TODO(b/214232209) oobTolerance is temporary and will be removed when the scrollbar will be
+ // hidden during the animation
+ const float oobTolerance = 15;
+ const int blurRadius = 3;
+ const float blurArea = float((2 * blurRadius + 1) * (2 * blurRadius + 1));
+
+ vec4 boxBlur(vec2 p) {
+ vec4 sumColors = vec4(0);
+
+ for (int i = -blurRadius; i <= blurRadius; i++) {
+ for (int j = -blurRadius; j <= blurRadius; j++) {
+ sumColors += uContentTexture.eval(p + vec2(i, j));
+ }
+ }
+ return sumColors / blurArea;
+ }
+
+ vec4 main(vec2 coord) {
+ vec2 nearestTexturePoint = clamp(coord, vec2(0, 0), uImgSize);
+ if (coord == nearestTexturePoint) {
+ return uContentTexture.eval(coord);
+ } else {
+ vec2 samplePoint = nearestTexturePoint + oobTolerance * normalize(
+ nearestTexturePoint - coord);
+ return boxBlur(samplePoint);
+ }
+ }
+)");
+
+sk_sp<SkShader> EdgeExtensionShaderFactory::createSkShader(const sk_sp<SkShader>& inputShader,
+ const LayerSettings& layer,
+ const SkRect& imageBounds) {
+ if (mBuilder == nullptr) {
+ const static SkRuntimeEffect::Result instance = SkRuntimeEffect::MakeForShader(edgeShader);
+ if (!instance.errorText.isEmpty()) {
+ ALOGE("EdgeExtensionShaderFactory terminated with an error: %s",
+ instance.errorText.c_str());
+ return nullptr;
+ }
+ mBuilder = std::make_unique<SkRuntimeShaderBuilder>(instance.effect);
+ }
+ mBuilder->child("uContentTexture") = inputShader;
+ if (imageBounds.isEmpty()) {
+ mBuilder->uniform("uImgSize") = SkPoint{layer.geometry.boundaries.getWidth(),
+ layer.geometry.boundaries.getHeight()};
+ } else {
+ mBuilder->uniform("uImgSize") = SkPoint{imageBounds.width(), imageBounds.height()};
+ }
+ return mBuilder->makeShader();
+}
+} // namespace android::renderengine::skia \ No newline at end of file
diff --git a/libs/renderengine/skia/filters/EdgeExtensionShaderFactory.h b/libs/renderengine/skia/filters/EdgeExtensionShaderFactory.h
new file mode 100644
index 0000000000..b0a8a9357e
--- /dev/null
+++ b/libs/renderengine/skia/filters/EdgeExtensionShaderFactory.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+#pragma once
+
+#include <SkImage.h>
+#include <SkRect.h>
+#include <SkRuntimeEffect.h>
+#include <SkShader.h>
+#include <renderengine/LayerSettings.h>
+#include <ui/EdgeExtensionEffect.h>
+
+namespace android::renderengine::skia {
+
+/**
+ * This shader is designed to prolong the texture of a surface whose bounds have been extended over
+ * the size of the texture. This shader is similar to the default clamp, but adds a blur effect and
+ * samples from close to the edge (compared to on the edge) to avoid weird artifacts when elements
+ * (in particular, scrollbars) touch the edge.
+ */
+class EdgeExtensionShaderFactory {
+public:
+ sk_sp<SkShader> createSkShader(const sk_sp<SkShader>& inputShader, const LayerSettings& layer,
+ const SkRect& imageBounds);
+
+private:
+ std::unique_ptr<SkRuntimeShaderBuilder> mBuilder;
+};
+} // namespace android::renderengine::skia
diff --git a/libs/ui/include/ui/EdgeExtensionEffect.h b/libs/ui/include/ui/EdgeExtensionEffect.h
new file mode 100644
index 0000000000..02126b12be
--- /dev/null
+++ b/libs/ui/include/ui/EdgeExtensionEffect.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+#pragma once
+
+/**
+ * Stores the edge that will be extended
+ */
+namespace android {
+
+enum CanonicalDirections { NONE = 0, LEFT = 1, RIGHT = 2, TOP = 4, BOTTOM = 8 };
+
+inline std::string to_string(CanonicalDirections direction) {
+ switch (direction) {
+ case LEFT:
+ return "LEFT";
+ case RIGHT:
+ return "RIGHT";
+ case TOP:
+ return "TOP";
+ case BOTTOM:
+ return "BOTTOM";
+ case NONE:
+ return "NONE";
+ }
+}
+
+struct EdgeExtensionEffect {
+ EdgeExtensionEffect(bool left, bool right, bool top, bool bottom) {
+ extensionEdges = NONE;
+ if (left) {
+ extensionEdges |= LEFT;
+ }
+ if (right) {
+ extensionEdges |= RIGHT;
+ }
+ if (top) {
+ extensionEdges |= TOP;
+ }
+ if (bottom) {
+ extensionEdges |= BOTTOM;
+ }
+ }
+
+ EdgeExtensionEffect() { EdgeExtensionEffect(false, false, false, false); }
+
+ bool extendsEdge(CanonicalDirections edge) const { return extensionEdges & edge; }
+
+ bool hasEffect() const { return extensionEdges != NONE; };
+
+ void reset() { extensionEdges = NONE; }
+
+ bool operator==(const EdgeExtensionEffect& other) const {
+ return extensionEdges == other.extensionEdges;
+ }
+
+ bool operator!=(const EdgeExtensionEffect& other) const { return !(*this == other); }
+
+private:
+ int extensionEdges;
+};
+
+inline std::string to_string(const EdgeExtensionEffect& effect) {
+ std::string s = "EdgeExtensionEffect={edges=[";
+ if (effect.hasEffect()) {
+ for (CanonicalDirections edge : {LEFT, RIGHT, TOP, BOTTOM}) {
+ if (effect.extendsEdge(edge)) {
+ s += to_string(edge) + ", ";
+ }
+ }
+ } else {
+ s += to_string(NONE);
+ }
+ s += "]}";
+ return s;
+}
+
+inline std::ostream& operator<<(std::ostream& os, const EdgeExtensionEffect effect) {
+ os << to_string(effect);
+ return os;
+}
+} // namespace android
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
index 11759b855f..d1429a2ec6 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
@@ -35,6 +35,7 @@
#pragma clang diagnostic ignored "-Wextra"
#include <gui/BufferQueue.h>
+#include <ui/EdgeExtensionEffect.h>
#include <ui/GraphicBuffer.h>
#include <ui/GraphicTypes.h>
#include <ui/StretchEffect.h>
@@ -133,12 +134,16 @@ struct LayerFECompositionState {
// The bounds of the layer in layer local coordinates
FloatRect geomLayerBounds;
+ // The crop to apply to the layer in layer local coordinates
+ FloatRect geomLayerCrop;
+
ShadowSettings shadowSettings;
// List of regions that require blur
std::vector<BlurRegion> blurRegions;
StretchEffect stretchEffect;
+ EdgeExtensionEffect edgeExtensionEffect;
/*
* Geometry state
diff --git a/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp b/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp
index bdaa1d0ae1..d9018bc3ab 100644
--- a/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp
@@ -37,7 +37,8 @@ inline bool equalIgnoringSource(const renderengine::LayerSettings& lhs,
lhs.colorTransform == rhs.colorTransform &&
lhs.disableBlending == rhs.disableBlending && lhs.shadow == rhs.shadow &&
lhs.backgroundBlurRadius == rhs.backgroundBlurRadius &&
- lhs.stretchEffect == rhs.stretchEffect;
+ lhs.stretchEffect == rhs.stretchEffect &&
+ lhs.edgeExtensionEffect == rhs.edgeExtensionEffect;
}
inline bool equalIgnoringBuffer(const renderengine::Buffer& lhs, const renderengine::Buffer& rhs) {
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshot.cpp b/services/surfaceflinger/FrontEnd/LayerSnapshot.cpp
index 70e3c64a0f..e5f6b7bcd1 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshot.cpp
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshot.cpp
@@ -322,6 +322,10 @@ std::ostream& operator<<(std::ostream& out, const LayerSnapshot& obj) {
<< touchableRegion.bottom << "," << touchableRegion.right << "}"
<< "}";
}
+
+ if (obj.edgeExtensionEffect.hasEffect()) {
+ out << obj.edgeExtensionEffect;
+ }
return out;
}
@@ -492,8 +496,10 @@ void LayerSnapshot::merge(const RequestedLayerState& requested, bool forceUpdate
requested.what &
(layer_state_t::eBufferChanged | layer_state_t::eDataspaceChanged |
layer_state_t::eApiChanged | layer_state_t::eShadowRadiusChanged |
- layer_state_t::eBlurRegionsChanged | layer_state_t::eStretchChanged)) {
- forceClientComposition = shadowSettings.length > 0 || stretchEffect.hasEffect();
+ layer_state_t::eBlurRegionsChanged | layer_state_t::eStretchChanged |
+ layer_state_t::eEdgeExtensionChanged)) {
+ forceClientComposition = shadowSettings.length > 0 || stretchEffect.hasEffect() ||
+ edgeExtensionEffect.hasEffect();
}
if (forceUpdate ||
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp
index 2b1b2c85b3..4e093816dd 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp
@@ -367,6 +367,7 @@ LayerSnapshot LayerSnapshotBuilder::getRootSnapshot() {
snapshot.geomLayerBounds = getMaxDisplayBounds({});
snapshot.roundedCorner = RoundedCornerState();
snapshot.stretchEffect = {};
+ snapshot.edgeExtensionEffect = {};
snapshot.outputFilter.layerStack = ui::DEFAULT_LAYER_STACK;
snapshot.outputFilter.toInternalDisplay = false;
snapshot.isSecure = false;
@@ -811,6 +812,32 @@ void LayerSnapshotBuilder::updateSnapshot(LayerSnapshot& snapshot, const Args& a
: parentSnapshot.stretchEffect;
}
+ if (forceUpdate ||
+ (snapshot.clientChanges | parentSnapshot.clientChanges) &
+ layer_state_t::eEdgeExtensionChanged) {
+ if (requested.edgeExtensionParameters.extendLeft ||
+ requested.edgeExtensionParameters.extendRight ||
+ requested.edgeExtensionParameters.extendTop ||
+ requested.edgeExtensionParameters.extendBottom) {
+ // This is the root layer to which the extension is applied
+ snapshot.edgeExtensionEffect =
+ EdgeExtensionEffect(requested.edgeExtensionParameters.extendLeft,
+ requested.edgeExtensionParameters.extendRight,
+ requested.edgeExtensionParameters.extendTop,
+ requested.edgeExtensionParameters.extendBottom);
+ } else if (parentSnapshot.clientChanges & layer_state_t::eEdgeExtensionChanged) {
+ // Extension is inherited
+ snapshot.edgeExtensionEffect = parentSnapshot.edgeExtensionEffect;
+ } else {
+ // There is no edge extension
+ snapshot.edgeExtensionEffect.reset();
+ }
+ if (snapshot.edgeExtensionEffect.hasEffect()) {
+ snapshot.clientChanges |= layer_state_t::eEdgeExtensionChanged;
+ snapshot.changes |= RequestedLayerState::Changes::Geometry;
+ }
+ }
+
if (forceUpdate || snapshot.clientChanges & layer_state_t::eColorTransformChanged) {
if (!parentSnapshot.colorTransformIsIdentity) {
snapshot.colorTransform = parentSnapshot.colorTransform * requested.colorTransform;
@@ -899,6 +926,10 @@ void LayerSnapshotBuilder::updateSnapshot(LayerSnapshot& snapshot, const Args& a
updateLayerBounds(snapshot, requested, parentSnapshot, primaryDisplayRotationFlags);
}
+ if (snapshot.edgeExtensionEffect.hasEffect()) {
+ updateBoundsForEdgeExtension(snapshot);
+ }
+
if (forceUpdate || snapshot.clientChanges & layer_state_t::eCornerRadiusChanged ||
snapshot.changes.any(RequestedLayerState::Changes::Geometry |
RequestedLayerState::Changes::BufferUsageFlags)) {
@@ -917,8 +948,8 @@ void LayerSnapshotBuilder::updateSnapshot(LayerSnapshot& snapshot, const Args& a
}
// computed snapshot properties
- snapshot.forceClientComposition =
- snapshot.shadowSettings.length > 0 || snapshot.stretchEffect.hasEffect();
+ snapshot.forceClientComposition = snapshot.shadowSettings.length > 0 ||
+ snapshot.stretchEffect.hasEffect() || snapshot.edgeExtensionEffect.hasEffect();
snapshot.contentOpaque = snapshot.isContentOpaque();
snapshot.isOpaque = snapshot.contentOpaque && !snapshot.roundedCorner.hasRoundedCorners() &&
snapshot.color.a == 1.f;
@@ -973,6 +1004,31 @@ void LayerSnapshotBuilder::updateRoundedCorner(LayerSnapshot& snapshot,
}
}
+/**
+ * According to the edges that we are requested to extend, we increase the bounds to the maximum
+ * extension allowed by the crop (parent crop + requested crop). The animation that called
+ * Transition#setEdgeExtensionEffect is in charge of setting the requested crop.
+ * @param snapshot
+ */
+void LayerSnapshotBuilder::updateBoundsForEdgeExtension(LayerSnapshot& snapshot) {
+ EdgeExtensionEffect& effect = snapshot.edgeExtensionEffect;
+
+ if (effect.extendsEdge(LEFT)) {
+ snapshot.geomLayerBounds.left = snapshot.geomLayerCrop.left;
+ }
+ if (effect.extendsEdge(RIGHT)) {
+ snapshot.geomLayerBounds.right = snapshot.geomLayerCrop.right;
+ }
+ if (effect.extendsEdge(TOP)) {
+ snapshot.geomLayerBounds.top = snapshot.geomLayerCrop.top;
+ }
+ if (effect.extendsEdge(BOTTOM)) {
+ snapshot.geomLayerBounds.bottom = snapshot.geomLayerCrop.bottom;
+ }
+
+ snapshot.transformedBounds = snapshot.geomLayerTransform.transform(snapshot.geomLayerBounds);
+}
+
void LayerSnapshotBuilder::updateLayerBounds(LayerSnapshot& snapshot,
const RequestedLayerState& requested,
const LayerSnapshot& parentSnapshot,
@@ -1012,11 +1068,12 @@ void LayerSnapshotBuilder::updateLayerBounds(LayerSnapshot& snapshot,
FloatRect parentBounds = parentSnapshot.geomLayerBounds;
parentBounds = snapshot.localTransform.inverse().transform(parentBounds);
snapshot.geomLayerBounds =
- (requested.externalTexture) ? snapshot.bufferSize.toFloatRect() : parentBounds;
+ requested.externalTexture ? snapshot.bufferSize.toFloatRect() : parentBounds;
+ snapshot.geomLayerCrop = parentBounds;
if (!requested.crop.isEmpty()) {
- snapshot.geomLayerBounds = snapshot.geomLayerBounds.intersect(requested.crop.toFloatRect());
+ snapshot.geomLayerCrop = snapshot.geomLayerCrop.intersect(requested.crop.toFloatRect());
}
- snapshot.geomLayerBounds = snapshot.geomLayerBounds.intersect(parentBounds);
+ snapshot.geomLayerBounds = snapshot.geomLayerBounds.intersect(snapshot.geomLayerCrop);
snapshot.transformedBounds = snapshot.geomLayerTransform.transform(snapshot.geomLayerBounds);
const Rect geomLayerBoundsWithoutTransparentRegion =
RequestedLayerState::reduce(Rect(snapshot.geomLayerBounds),
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h
index dbbad7664a..f3c56a4ef0 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h
@@ -113,6 +113,10 @@ private:
static void resetRelativeState(LayerSnapshot& snapshot);
static void updateRoundedCorner(LayerSnapshot& snapshot, const RequestedLayerState& layerState,
const LayerSnapshot& parentSnapshot, const Args& args);
+ static bool extensionEdgeSharedWithParent(LayerSnapshot& snapshot,
+ const RequestedLayerState& requested,
+ const LayerSnapshot& parentSnapshot);
+ static void updateBoundsForEdgeExtension(LayerSnapshot& snapshot);
void updateLayerBounds(LayerSnapshot& snapshot, const RequestedLayerState& layerState,
const LayerSnapshot& parentSnapshot, uint32_t displayRotationFlags);
static void updateShadows(LayerSnapshot& snapshot, const RequestedLayerState& requested,
diff --git a/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp b/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
index 17d3f4bf38..17d2610d7a 100644
--- a/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
+++ b/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
@@ -609,8 +609,9 @@ bool RequestedLayerState::isSimpleBufferUpdate(const layer_state_t& s) const {
layer_state_t::eSidebandStreamChanged | layer_state_t::eColorSpaceAgnosticChanged |
layer_state_t::eShadowRadiusChanged | layer_state_t::eFixedTransformHintChanged |
layer_state_t::eTrustedOverlayChanged | layer_state_t::eStretchChanged |
- layer_state_t::eBufferCropChanged | layer_state_t::eDestinationFrameChanged |
- layer_state_t::eDimmingEnabledChanged | layer_state_t::eExtendedRangeBrightnessChanged |
+ layer_state_t::eEdgeExtensionChanged | layer_state_t::eBufferCropChanged |
+ layer_state_t::eDestinationFrameChanged | layer_state_t::eDimmingEnabledChanged |
+ layer_state_t::eExtendedRangeBrightnessChanged |
layer_state_t::eDesiredHdrHeadroomChanged |
(FlagManager::getInstance().latch_unsignaled_with_auto_refresh_changed()
? layer_state_t::eFlagsChanged
diff --git a/services/surfaceflinger/LayerFE.cpp b/services/surfaceflinger/LayerFE.cpp
index 8f819b25e0..b05f0eecc4 100644
--- a/services/surfaceflinger/LayerFE.cpp
+++ b/services/surfaceflinger/LayerFE.cpp
@@ -173,6 +173,7 @@ std::optional<compositionengine::LayerFE::LayerSettings> LayerFE::prepareClientC
break;
}
layerSettings.stretchEffect = mSnapshot->stretchEffect;
+ layerSettings.edgeExtensionEffect = mSnapshot->edgeExtensionEffect;
// Record the name of the layer for debugging further down the stack.
layerSettings.name = mSnapshot->name;