diff --git a/libpixelflinger/scanline.cpp b/libpixelflinger/scanline.cpp
index a2f43eb08..931d6480d 100644
--- a/libpixelflinger/scanline.cpp
+++ b/libpixelflinger/scanline.cpp
@@ -1518,26 +1518,3 @@ void rect_memcpy(context_t* c, size_t yc)
 // ----------------------------------------------------------------------------
 }; // namespace android
 
-using namespace android;
-extern "C" void ggl_test_codegen(uint32_t n, uint32_t p, uint32_t t0, uint32_t t1)
-{
-#if ANDROID_ARM_CODEGEN
-    GGLContext* c;
-    gglInit(&c);
-    needs_t needs;
-    needs.n = n;
-    needs.p = p;
-    needs.t[0] = t0;
-    needs.t[1] = t1;
-    sp<ScanlineAssembly> a(new ScanlineAssembly(needs, ASSEMBLY_SCRATCH_SIZE));
-    GGLAssembler assembler( new ARMAssembler(a) );
-    int err = assembler.scanline(needs, (context_t*)c);
-    if (err != 0) {
-        printf("error %08x (%s)\n", err, strerror(-err));
-    }
-    gglUninit(c);
-#else
-    printf("This test runs only on ARM\n");
-#endif
-}
-
diff --git a/libpixelflinger/tests/codegen/Android.mk b/libpixelflinger/tests/codegen/Android.mk
index 1bc421487..aa320fc0a 100644
--- a/libpixelflinger/tests/codegen/Android.mk
+++ b/libpixelflinger/tests/codegen/Android.mk
@@ -2,12 +2,15 @@ LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES:= \
-	codegen.cpp
+	codegen.cpp.arm
 
 LOCAL_SHARED_LIBRARIES := \
 	libcutils \
     libpixelflinger
 
+LOCAL_C_INCLUDES := \
+	system/core/libpixelflinger
+
 LOCAL_MODULE:= test-opengl-codegen
 
 LOCAL_MODULE_TAGS := tests
diff --git a/libpixelflinger/tests/codegen/codegen.cpp b/libpixelflinger/tests/codegen/codegen.cpp
index 18658881b..94e24810d 100644
--- a/libpixelflinger/tests/codegen/codegen.cpp
+++ b/libpixelflinger/tests/codegen/codegen.cpp
@@ -1,9 +1,54 @@
 #include <stdio.h>
 #include <stdint.h>
 
-extern "C" void ggl_test_codegen(
-        uint32_t n, uint32_t p, uint32_t t0, uint32_t t1);
+#include "private/pixelflinger/ggl_context.h"
 
+#include "buffer.h"
+#include "scanline.h"
+
+#include "codeflinger/CodeCache.h"
+#include "codeflinger/GGLAssembler.h"
+#include "codeflinger/ARMAssembler.h"
+
+#if defined(__arm__)
+#   define ANDROID_ARM_CODEGEN  1
+#else
+#   define ANDROID_ARM_CODEGEN  0
+#endif
+
+#define ASSEMBLY_SCRATCH_SIZE   2048
+
+using namespace android;
+
+class ScanlineAssembly : public Assembly {
+    AssemblyKey<needs_t> mKey;
+public:
+    ScanlineAssembly(needs_t needs, size_t size)
+        : Assembly(size), mKey(needs) { }
+    const AssemblyKey<needs_t>& key() const { return mKey; }
+};
+
+static void ggl_test_codegen(uint32_t n, uint32_t p, uint32_t t0, uint32_t t1)
+{
+#if ANDROID_ARM_CODEGEN
+    GGLContext* c;
+    gglInit(&c);
+    needs_t needs;
+    needs.n = n;
+    needs.p = p;
+    needs.t[0] = t0;
+    needs.t[1] = t1;
+    sp<ScanlineAssembly> a(new ScanlineAssembly(needs, ASSEMBLY_SCRATCH_SIZE));
+    GGLAssembler assembler( new ARMAssembler(a) );
+    int err = assembler.scanline(needs, (context_t*)c);
+    if (err != 0) {
+        printf("error %08x (%s)\n", err, strerror(-err));
+    }
+    gglUninit(c);
+#else
+    printf("This test runs only on ARM\n");
+#endif
+}
 
 int main(int argc, char** argv)
 {