commit ef006586b5e3bbbf69177958a388cb1208adf0ff
author Sally Qi <sallyqi@google.com> Fri Oct 11 13:23:09 2024 -0700
committer Sally Qi <sallyqi@google.com> Sat Nov 09 13:19:55 2024 -0800
tree 81fe6464163efccf4228636d746c183634677d93
parent 2c6de794c9c4c1a526f4c9372e640d3e0572fcdb

[Lut HAL backend] implementation 3rd patch.

- interpret the lut and pass them into shader.

Bug: 329472856
Test: builds
Flag: EXEMPT no flag needed
Change-Id: I005600593f4a369130bf8bcaea69300758b5ae03

libs/gui/SurfaceComposerClient.cpp

diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 3260c53..807f850 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1971,9 +1971,13 @@
         return *this;
     }
 
-    s->luts = std::make_shared<gui::DisplayLuts>(base::unique_fd(dup(lutFd.get())), offsets,
-                                                 dimensions, sizes, samplingKeys);
     s->what |= layer_state_t::eLutsChanged;
+    if (lutFd.ok()) {
+        s->luts = std::make_shared<gui::DisplayLuts>(base::unique_fd(dup(lutFd.get())), offsets,
+                                                     dimensions, sizes, samplingKeys);
+    } else {
+        s->luts = nullptr;
+    }
 
     registerSurfaceControlForCallback(sc);
     return *this;