libgui: Add support to update buffer geometry.

Add native window properties NATIVE_WINDOW_UPDATE_BUFFERS_GEOMETRY
to the perform function of SurfaceTextureClient and SurfaceTexture
to update the width, height and format of the buffer dynamically
from the client before queue buffer call.

Change-Id: I62447fcf523b507d534085cd0835f55a978c4ead

1 files changed, 25 insertions, 0 deletions

diff --git a/libs/gui/ISurfaceTexture.cpp b/libs/gui/ISurfaceTexture.cpp
index 4b20a36..ce31a5b 100644
--- a/libs/gui/ISurfaceTexture.cpp
+++ b/libs/gui/ISurfaceTexture.cpp
@@ -39,6 +39,7 @@ enum {
     QUERY,
     SET_SYNCHRONOUS_MODE,
 #ifdef QCOM_BSP
+    UPDATE_BUFFERS_GEOMETRY,
     SET_BUFFERS_SIZE,
 #endif
     CONNECT,
@@ -160,6 +161,21 @@ public:
     }
 
 #ifdef QCOM_BSP
+    virtual status_t updateBuffersGeometry(int w, int h, int f) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceTexture::getInterfaceDescriptor());
+        data.writeInt32(w);
+        data.writeInt32(h);
+        data.writeInt32(f);
+        status_t result = remote()->transact(UPDATE_BUFFERS_GEOMETRY,
+                                                          data, &reply);
+        if (result != NO_ERROR) {
+            return result;
+        }
+        result = reply.readInt32();
+        return result;
+    }
+
     virtual status_t setBuffersSize(int size) {
         Parcel data, reply;
         data.writeInterfaceToken(ISurfaceTexture::getInterfaceDescriptor());
@@ -284,6 +300,15 @@ status_t BnSurfaceTexture::onTransact(
             return NO_ERROR;
         } break;
 #ifdef QCOM_BSP
+        case UPDATE_BUFFERS_GEOMETRY: {
+            CHECK_INTERFACE(ISurfaceTexture, data, reply);
+            int w = data.readInt32();
+            int h = data.readInt32();
+            int f = data.readInt32();
+            status_t res = updateBuffersGeometry(w, h, f);
+            reply->writeInt32(res);
+            return NO_ERROR;
+        } break;
         case SET_BUFFERS_SIZE: {
             CHECK_INTERFACE(ISurfaceTexture, data, reply);
             int size = data.readInt32();