Property support for light positioning.

Tune up the light size to make it look better.

Change-Id: I139a05f3dd53dacbe55759b91188f0e1cc2c7f80

1 files changed, 19 insertions, 0 deletions

diff --git a/libs/hwui/Caches.cpp b/libs/hwui/Caches.cpp
index 2e7990edb78e..8bd9de074152 100644
--- a/libs/hwui/Caches.cpp
+++ b/libs/hwui/Caches.cpp
@@ -686,6 +686,10 @@ void Caches::initTempProperties() {
     propertyEnable3d = false;
     propertyCameraDistance = 1.0f;
     propertyShadowStrength = 0x3f;
+
+    propertyLightPosXScale = 0.5f;
+    propertyLightPosYScale = 0.0f;
+    propertyLightPosZScale = 1.0f;
 }
 
 void Caches::setTempProperty(const char* name, const char* value) {
@@ -704,6 +708,21 @@ void Caches::setTempProperty(const char* name, const char* value) {
         propertyShadowStrength = atoi(value);
         ALOGD("shadow strength = 0x%x out of 0xff", propertyShadowStrength);
         return;
+    } else if (!strcmp(name, "lightPosXScale")) {
+        propertyLightPosXScale = fmin(fmax(atof(value), 0.0), 1.0);
+        propertyDirtyViewport = true;
+        ALOGD("lightPos X Scale = %.2f", propertyLightPosXScale);
+        return;
+    }  else if (!strcmp(name, "lightPosYScale")) {
+        propertyLightPosYScale = fmin(fmax(atof(value), 0.0), 1.0);
+        propertyDirtyViewport = true;
+        ALOGD("lightPos Y Scale = %.2f", propertyLightPosXScale);
+        return;
+    }  else if (!strcmp(name, "lightPosZScale")) {
+        propertyLightPosZScale = fmin(fmax(atof(value), 0.0), 1.0);
+        propertyDirtyViewport = true;
+        ALOGD("lightPos Z Scale = %.2f", propertyLightPosXScale);
+        return;
     }
     ALOGD("    failed");
 }