Revert "Revert "Use renderengine::drawLayers api everywhere.""

This reverts commit 79108df863d454369ee61cdb70f6d14c8414e30e.

Reason for revert: merged in forward fix - GL_BLEND is now explictly
disabled before initially clearing the buffer.

Bug: 118461793
Test: b/123878751 cannot be reproduced.
Change-Id: Ia49163b40016e746500d9954e1863d0706bc65e1
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index 6d5147d..f6c1a33 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -170,13 +170,10 @@
     return mState;
 }
 
-Region Output::getPhysicalSpaceDirtyRegion(bool repaintEverything) const {
-    Region dirty;
-    if (repaintEverything) {
-        dirty.set(mState.bounds);
-    } else {
-        dirty = mState.transform.transform(mState.dirtyRegion);
-        dirty.andSelf(mState.bounds);
+Region Output::getDirtyRegion(bool repaintEverything) const {
+    Region dirty(mState.viewport);
+    if (!repaintEverything) {
+        dirty.andSelf(mState.dirtyRegion);
     }
     return dirty;
 }
diff --git a/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp b/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp
index d546fc8..3f841d2 100644
--- a/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/RenderSurface.cpp
@@ -156,7 +156,7 @@
     return mGraphicBuffer;
 }
 
-void RenderSurface::queueBuffer() {
+void RenderSurface::queueBuffer(base::unique_fd&& readyFence) {
     auto& hwc = mCompositionEngine.getHwComposer();
     const auto id = mDisplay.getId();
 
@@ -178,9 +178,9 @@
         if (mGraphicBuffer == nullptr) {
             ALOGE("No buffer is ready for display [%s]", mDisplay.getName().c_str());
         } else {
-            status_t result = mNativeWindow->queueBuffer(mNativeWindow.get(),
-                                                         mGraphicBuffer->getNativeBuffer(),
-                                                         dup(mBufferReady));
+            status_t result =
+                    mNativeWindow->queueBuffer(mNativeWindow.get(),
+                                               mGraphicBuffer->getNativeBuffer(), dup(readyFence));
             if (result != NO_ERROR) {
                 ALOGE("Error when queueing buffer for display [%s]: %d", mDisplay.getName().c_str(),
                       result);
@@ -190,12 +190,10 @@
                     LOG_ALWAYS_FATAL("ANativeWindow::queueBuffer failed with error: %d", result);
                 } else {
                     mNativeWindow->cancelBuffer(mNativeWindow.get(),
-                                                mGraphicBuffer->getNativeBuffer(),
-                                                dup(mBufferReady));
+                                                mGraphicBuffer->getNativeBuffer(), dup(readyFence));
                 }
             }
 
-            mBufferReady.reset();
             mGraphicBuffer = nullptr;
         }
     }
@@ -217,14 +215,6 @@
                                           ui::Transform::ROT_0);
 }
 
-void RenderSurface::finishBuffer() {
-    auto& renderEngine = mCompositionEngine.getRenderEngine();
-    mBufferReady = renderEngine.flush();
-    if (mBufferReady.get() < 0) {
-        renderEngine.finish();
-    }
-}
-
 void RenderSurface::flip() {
     mPageFlipCount++;
 }
@@ -263,9 +253,5 @@
     return mGraphicBuffer;
 }
 
-base::unique_fd& RenderSurface::mutableBufferReadyForTest() {
-    return mBufferReady;
-}
-
 } // namespace impl
 } // namespace android::compositionengine