SurfaceControl: Add colorTransform to DisplayInfo

Adds the colorTransform field, which defines a vendor-specific color
transform (e.g., wide gamut, sRGB, etc.) to the PhysicalDisplayInfo
class, and populates it from the corresponding field from
ISurfaceComposer.

Bug: 20853317
Change-Id: Ic59ca5142bdaa73c42d9c044d7aae345255f1dad

2 files changed, 11 insertions, 2 deletions

diff --git a/core/java/android/view/SurfaceControl.java b/core/java/android/view/SurfaceControl.java
index 5970c3f..bcf9b2c 100644
--- a/core/java/android/view/SurfaceControl.java
+++ b/core/java/android/view/SurfaceControl.java
@@ -484,6 +484,7 @@ public class SurfaceControl {
         public boolean secure;
         public long appVsyncOffsetNanos;
         public long presentationDeadlineNanos;
+        public int colorTransform;
 
         public PhysicalDisplayInfo() {
         }
@@ -507,7 +508,8 @@ public class SurfaceControl {
                     && yDpi == other.yDpi
                     && secure == other.secure
                     && appVsyncOffsetNanos == other.appVsyncOffsetNanos
-                    && presentationDeadlineNanos == other.presentationDeadlineNanos;
+                    && presentationDeadlineNanos == other.presentationDeadlineNanos
+                    && colorTransform == other.colorTransform;
         }
 
         @Override
@@ -525,6 +527,7 @@ public class SurfaceControl {
             secure = other.secure;
             appVsyncOffsetNanos = other.appVsyncOffsetNanos;
             presentationDeadlineNanos = other.presentationDeadlineNanos;
+            colorTransform = other.colorTransform;
         }
 
         // For debugging purposes
@@ -533,7 +536,8 @@ public class SurfaceControl {
             return "PhysicalDisplayInfo{" + width + " x " + height + ", " + refreshRate + " fps, "
                     + "density " + density + ", " + xDpi + " x " + yDpi + " dpi, secure " + secure
                     + ", appVsyncOffset " + appVsyncOffsetNanos
-                    + ", bufferDeadline " + presentationDeadlineNanos + "}";
+                    + ", bufferDeadline " + presentationDeadlineNanos
+                    + ", colorTransform " + colorTransform + "}";
         }
     }
 
diff --git a/core/jni/android_view_SurfaceControl.cpp b/core/jni/android_view_SurfaceControl.cpp
index 77af341..20352eb 100644
--- a/core/jni/android_view_SurfaceControl.cpp
+++ b/core/jni/android_view_SurfaceControl.cpp
@@ -64,6 +64,7 @@ static struct {
     jfieldID secure;
     jfieldID appVsyncOffsetNanos;
     jfieldID presentationDeadlineNanos;
+    jfieldID colorTransform;
 } gPhysicalDisplayInfoClassInfo;
 
 static struct {
@@ -401,6 +402,8 @@ static jobjectArray nativeGetDisplayConfigs(JNIEnv* env, jclass clazz,
                 info.appVsyncOffset);
         env->SetLongField(infoObj, gPhysicalDisplayInfoClassInfo.presentationDeadlineNanos,
                 info.presentationDeadline);
+        env->SetIntField(infoObj, gPhysicalDisplayInfoClassInfo.colorTransform,
+                info.colorTransform);
         env->SetObjectArrayElement(configArray, static_cast<jsize>(c), infoObj);
         env->DeleteLocalRef(infoObj);
     }
@@ -663,6 +666,8 @@ int register_android_view_SurfaceControl(JNIEnv* env)
             clazz, "appVsyncOffsetNanos", "J");
     gPhysicalDisplayInfoClassInfo.presentationDeadlineNanos = GetFieldIDOrDie(env,
             clazz, "presentationDeadlineNanos", "J");
+    gPhysicalDisplayInfoClassInfo.colorTransform = GetFieldIDOrDie(env, clazz,
+            "colorTransform", "I");
 
     jclass rectClazz = FindClassOrDie(env, "android/graphics/Rect");
     gRectClassInfo.bottom = GetFieldIDOrDie(env, rectClazz, "bottom", "I");