Import goldfish HAL sources from devices/generic/goldfish

We import all code here so we can customize and keep in sync with what
we do on the host side more easily.

android/opengl/system/egl/Android.mk

@@ -0,0 +1,41 @@
+ifneq (false,$(BUILD_EMULATOR_OPENGL_DRIVER))
+
+LOCAL_PATH := $(call my-dir)
+
+$(call emugl-begin-shared-library,libEGL_emulation)
+$(call emugl-import,libOpenglSystemCommon)
+$(call emugl-set-shared-library-subpath,egl)
+
+LOCAL_CFLAGS += -DLOG_TAG=\"EGL_emulation\" -DEGL_EGLEXT_PROTOTYPES -DWITH_GLES2
+
+LOCAL_SRC_FILES := \
+    eglDisplay.cpp \
+    egl.cpp \
+    ClientAPIExts.cpp
+
+LOCAL_SHARED_LIBRARIES += libdl
+
+# Used to access the Bionic private OpenGL TLS slot
+LOCAL_C_INCLUDES += bionic/libc/private
+
+$(call emugl-end-module)
+
+#### egl.cfg ####
+
+# Ensure that this file is only copied to emulator-specific builds.
+# Other builds are device-specific and will provide their own
+# version of this file to point to the appropriate HW EGL libraries.
+#
+ifneq (,$(filter aosp_arm aosp_x86 aosp_mips full full_x86 full_mips sdk sdk_x86 sdk_mips google_sdk google_sdk_x86 google_sdk_mips,$(TARGET_PRODUCT)))
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := egl.cfg
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
+
+LOCAL_MODULE_PATH := $(TARGET_OUT)/lib/egl
+LOCAL_MODULE_CLASS := ETC
+
+include $(BUILD_PREBUILT)
+endif # TARGET_PRODUCT in 'full full_x86 full_mips sdk sdk_x86 sdk_mips google_sdk google_sdk_x86 google_sdk_mips')
+
+endif # BUILD_EMULATOR_OPENGL_DRIVER != false