hardware/libhw: Add display_defs.h to declare custom enums/flags

hwcomposer: Add HWC_BLIT compositiontype value
- HWC_BLIT this layer will be handled in the HWC, using a
  blit engine
- setting this will inform Surfaceflinger to flip FB_TARGET
 change-Id: I25d19ec41b57863d451c3e390109c912faf1381c

libhardware: Disable rotation animation on External
- Added two new flags to used to inform HWC about rotation
  and roation animation to HWC
- This is used to disable rotation animation on external
 change-Id: I05a9796781dcda088ae6cd64481cd4e581d5cf9e

Change-Id: Idbc7e43d4fa8ec2299b4c7ee8378a1afd710cdf1
diff --git a/include/hardware/display_defs.h b/include/hardware/display_defs.h
new file mode 100644
index 0000000..669ef78
--- /dev/null
+++ b/include/hardware/display_defs.h
@@ -0,0 +1,67 @@
+/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ANDROID_INCLUDE_DISPLAY_DEFS_H
+#define ANDROID_INCLUDE_DISPLAY_DEFS_H
+
+#include <stdint.h>
+#include <sys/cdefs.h>
+
+#include <hardware/hwcomposer.h>
+
+__BEGIN_DECLS
+
+/* Will need to update below enums if hwcomposer_defs.h is updated */
+
+/* Extended events for hwc_methods::eventControl() */
+enum {
+    HWC_EVENT_ORIENTATION             = HWC_EVENT_VSYNC + 1
+};
+
+
+/* Extended hwc_layer_t::compositionType values */
+enum {
+    /* this layer will be handled in the HWC, using a blit engine */
+    HWC_BLIT                          = 0xFF
+};
+
+/* Extended hwc_layer_t::flags values
+ * Flags are set by SurfaceFlinger and read by the HAL
+ */
+enum {
+    /*
+     * HWC_SCREENSHOT_ANIMATOR_LAYER is set by surfaceflinger to indicate
+     * that this layer is a screenshot animating layer. HWC uses this
+     * info to disable rotation animation on External Display
+     */
+    HWC_SCREENSHOT_ANIMATOR_LAYER     = 0x00000004
+};
+
+__END_DECLS
+
+#endif /* ANDROID_INCLUDE_DISPLAY_DEFS_H*/