[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

1 files changed, 15 insertions, 0 deletions

diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 4b531345b0..139764ac0c 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -203,6 +203,12 @@ status_t layer_state_t::write(Parcel& output) const
         SAFE_PARCEL(output.writeParcelable, *bufferReleaseChannel);
     }
 
+    const bool hasLuts = (luts != nullptr);
+    SAFE_PARCEL(output.writeBool, hasLuts);
+    if (hasLuts) {
+        SAFE_PARCEL(output.writeParcelable, *luts);
+    }
+
     return NO_ERROR;
 }
 
@@ -358,6 +364,15 @@ status_t layer_state_t::read(const Parcel& input)
         SAFE_PARCEL(input.readParcelable, bufferReleaseChannel.get());
     }
 
+    bool hasLuts;
+    SAFE_PARCEL(input.readBool, &hasLuts);
+    if (hasLuts) {
+        luts = std::make_shared<gui::DisplayLuts>();
+        SAFE_PARCEL(input.readParcelable, luts.get());
+    } else {
+        luts = nullptr;
+    }
+
     return NO_ERROR;
 }