1 files changed, 44 insertions, 9 deletions

diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayerCompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayerCompositionState.h
index 75394fadb7..7564c54218 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayerCompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputLayerCompositionState.h
@@ -16,25 +16,27 @@
 
 #pragma once
 
-#include <cstdint>
-#include <optional>
-#include <string>
-
+#include <compositionengine/ProjectionSpace.h>
 #include <compositionengine/impl/HwcBufferCache.h>
-#include <renderengine/Mesh.h>
+#include <renderengine/ExternalTexture.h>
 #include <ui/FloatRect.h>
 #include <ui/GraphicTypes.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>
 
+#include <cstdint>
+#include <optional>
+#include <string>
+
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wconversion"
+#pragma clang diagnostic ignored "-Wextra"
 
 #include "DisplayHardware/ComposerHal.h"
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"
+#pragma clang diagnostic pop // ignored "-Wconversion -Wextra"
 
 namespace android {
 
@@ -44,8 +46,14 @@ class Layer;
 
 class HWComposer;
 
+namespace compositionengine {
+class OutputLayer;
+} // namespace compositionengine
+
 namespace compositionengine::impl {
 
+// Note that fields that affect HW composer state may need to be mirrored into
+// android::compositionengine::impl::planner::LayerState
 struct OutputLayerCompositionState {
     // The portion of the layer that is not obscured by opaque layers on top
     Region visibleRegion;
@@ -80,8 +88,29 @@ struct OutputLayerCompositionState {
     // The dataspace for this layer
     ui::Dataspace dataspace{ui::Dataspace::UNKNOWN};
 
-    // The Z order index of this layer on this output
-    uint32_t z{0};
+    // Overrides the buffer, acquire fence, and display frame stored in LayerFECompositionState
+    struct {
+        std::shared_ptr<renderengine::ExternalTexture> buffer = nullptr;
+        sp<Fence> acquireFence = nullptr;
+        Rect displayFrame = {};
+        ui::Dataspace dataspace{ui::Dataspace::UNKNOWN};
+        ProjectionSpace displaySpace;
+        Region damageRegion = Region::INVALID_REGION;
+        Region visibleRegion;
+
+        // The OutputLayer pointed to by this field will be rearranged to draw
+        // behind the OutputLayer represented by this CompositionState and will
+        // be visible through it. Unowned - the OutputLayer's lifetime will
+        // outlast this.)
+        compositionengine::OutputLayer* peekThroughLayer = nullptr;
+        // True when this layer's blur has been cached with a previous layer, so that this layer
+        // does not need to request blurring.
+        // TODO(b/188816867): support blur regions too, which are less likely to be common if a
+        // device supports cross-window blurs. Blur region support should be doable, but we would
+        // need to make sure that layer caching works well with the blur region transform passed
+        // into RenderEngine
+        bool disableBackgroundBlur = false;
+    } overrideInfo;
 
     /*
      * HWC state
@@ -100,6 +129,12 @@ struct OutputLayerCompositionState {
         // The buffer cache for this layer. This is used to lower the
         // cost of sending reused buffers to the HWC.
         HwcBufferCache hwcBufferCache;
+
+        // Set to true when overridden info has been sent to HW composer
+        bool stateOverridden = false;
+
+        // True when this layer was skipped as part of SF-side layer caching.
+        bool layerSkipped = false;
     };
 
     // The HWC state is optional, and is only set up if there is any potential
@@ -110,7 +145,7 @@ struct OutputLayerCompositionState {
     void dump(std::string& result) const;
 
     // Timestamp for when the layer is queued for client composition
-    nsecs_t clientCompositionTimestamp;
+    nsecs_t clientCompositionTimestamp{0};
 };
 
 } // namespace compositionengine::impl