Squashed commit of the following:

commit 35cc68814a9537c31fde146e171e7b0bbdfe211e
Author: Andreas Huber <andih@google.com>
Date:   Mon Aug 16 08:48:42 2010 -0700

    Only enable support for yuv to yuv conversion on passion, where it's available, use the slower yuv->rgb565 path everywhere else.

commit d8ac5a8814103e60d11d2acf61997fc31a1dc58d
Author: Andreas Huber <andih@google.com>
Date:   Fri Aug 13 13:56:44 2010 -0700

    The software renderer takes over all rendering, converting from yuv to yuv if possible and rgb565 otherwise.

commit 684972074b74318bdcb826ed9b5b0864d2d2e273
Author: Andreas Huber <andih@google.com>
Date:   Fri Aug 13 09:34:35 2010 -0700

    A first shot at supporting the new rendering APIs.

Change-Id: Iea9b32856da46950501f1a700f616b5feac710fd
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 79772ed..e4825d0 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -22,7 +22,7 @@
 LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
 
 ifeq ($(TARGET_BOARD_PLATFORM), omap3)
-	LOCAL_CFLAGS += -DNO_RGBX_8888
+	LOCAL_CFLAGS += -DNO_RGBX_8888 -DHAS_PUSH_BUFFERS
 endif
 
 # need "-lrt" on Linux simulator to pick up clock_gettime