Opengl implementation - codec common code

This change adds the libOpenglCodecCommon, which holds
shared code between the encoder and the decoder parts of the opengl
codec. The library is built as static with both a target version and
a host version.

Change-Id: I163eea8fdb635620e6cde9d1d75c3e7369953213

tools/emulator/opengl/system/Android.mk

@@ -0,0 +1,33 @@
+
+LOCAL_PATH := $(call my-dir)
+
+### OpenglCodecCommon ##############################################
+
+include $(CLEAR_VARS)
+
+OpenglCodecCommon := \
+        OpenglCodecCommon/GLClientState.cpp \
+        OpenglCodecCommon/glUtils.cpp \
+        OpenglCodecCommon/TcpStream.cpp
+
+LOCAL_SRC_FILES :=  $(OpenglCodecCommon)
+
+LOCAL_CFLAGS += -DLOG_TAG=\"eglCodecCommon\"
+LOCAL_MODULE_TAGS := debug
+LOCAL_MODULE := libOpenglCodecCommon
+
+include $(BUILD_STATIC_LIBRARY)
+
+### OpenglCodecCommon  host ##############################################
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES :=  $(OpenglCodecCommon)
+
+LOCAL_MODULE_TAGS := debug
+LOCAL_MODULE := libOpenglCodecCommon
+LOCAL_PRELINK_MODULE := false
+
+# XXX - enable the next line for host debugging - JR
+# LOCAL_CFLAGS := -O0 -g
+include $(BUILD_HOST_STATIC_LIBRARY)
+