commit 99b4619cfeb1e8ed899ca0a4c72154be6263a98c
author Chia-I Wu <olv@google.com> Thu Jun 21 15:52:50 2018 +0800
committer Yichi Chen <yichichen@google.com> Fri Aug 17 02:19:29 2018 +0000
tree 5029099efc427c57142e391139f9ad03bb7ade87
parent da1217f5fedc6e6ec9c4aed4f96be8b47ecf3ec4

surfaceflinger: silence misleading virtual display errors

Do not call HWComposer::

  getColorModes
  getRenderIntents
  getHdrCapabilities
  getSupportedPerFrameMetadata
  getLayerReleaseFence

when the display id is invalid.  This happens with virtual displays
when mUseHwcVirtualDisplays is false.

Bug: 112082244
Test: screenrecord
Change-Id: Ifd8a85fc15e1628744bf21277bd8fe3e2c322e46
Merged-In: Ifd8a85fc15e1628744bf21277bd8fe3e2c322e46

services/surfaceflinger/SurfaceFlinger.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index cf53930..d1cc3dc 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2180,11 +2180,15 @@
         displayDevice->onSwapBuffersCompleted();
         displayDevice->makeCurrent();
         for (auto& layer : displayDevice->getVisibleLayersSortedByZ()) {
+            sp<Fence> releaseFence = Fence::NO_FENCE;
+
             // The layer buffer from the previous frame (if any) is released
             // by HWC only when the release fence from this frame (if any) is
             // signaled.  Always get the release fence from HWC first.
             auto hwcLayer = layer->getHwcLayer(hwcId);
-            sp<Fence> releaseFence = getBE().mHwc->getLayerReleaseFence(hwcId, hwcLayer);
+            if (hwcId >= 0) {
+                releaseFence = getBE().mHwc->getLayerReleaseFence(hwcId, hwcLayer);
+            }
 
             // If the layer was client composited in the previous frame, we
             // need to merge with the previous client target acquire fence.
@@ -2331,8 +2335,10 @@
         const sp<DisplaySurface>& dispSurface, const sp<IGraphicBufferProducer>& producer) {
     bool hasWideColorGamut = false;
     std::unordered_map<ColorMode, std::vector<RenderIntent>> hwcColorModes;
+    HdrCapabilities hdrCapabilities;
+    int32_t supportedPerFrameMetadata = 0;
 
-    if (hasWideColorDisplay) {
+    if (hasWideColorDisplay && hwcId >= 0) {
         std::vector<ColorMode> modes = getHwComposer().getColorModes(hwcId);
         for (ColorMode colorMode : modes) {
             switch (colorMode) {
@@ -2351,8 +2357,10 @@
         }
     }
 
-    HdrCapabilities hdrCapabilities;
-    getHwComposer().getHdrCapabilities(hwcId, &hdrCapabilities);
+    if (hwcId >= 0) {
+        getHwComposer().getHdrCapabilities(hwcId, &hdrCapabilities);
+        supportedPerFrameMetadata = getHwComposer().getSupportedPerFrameMetadata(hwcId);
+    }
 
     auto nativeWindowSurface = mCreateNativeWindowSurface(producer);
     auto nativeWindow = nativeWindowSurface->getNativeWindow();
@@ -2386,8 +2394,7 @@
             new DisplayDevice(this, state.type, hwcId, state.isSecure, display, nativeWindow,
                               dispSurface, std::move(renderSurface), displayWidth, displayHeight,
                               hasWideColorGamut, hdrCapabilities,
-                              getHwComposer().getSupportedPerFrameMetadata(hwcId),
-                              hwcColorModes, initialPowerMode);
+                              supportedPerFrameMetadata, hwcColorModes, initialPowerMode);
 
     if (maxFrameBufferAcquiredBuffers >= 3) {
         nativeWindowSurface->preallocateBuffers();