diff --git a/tools/emulator/opengl/host/libs/GLESv1_dec/Android.mk b/tools/emulator/opengl/host/libs/GLESv1_dec/Android.mk
index e0413651e..ba629495f 100644
--- a/tools/emulator/opengl/host/libs/GLESv1_dec/Android.mk
+++ b/tools/emulator/opengl/host/libs/GLESv1_dec/Android.mk
@@ -12,4 +12,8 @@ LOCAL_SRC_FILES := GLDecoder.cpp
 # for gl_types.h !
 $(call emugl-export,C_INCLUDES,$(EMUGL_PATH)/system/GLESv1_enc)
 
+#For gl debbuging
+#$(call emugl-export,CFLAGS,-DCHECK_GL_ERROR)
+#$(call emugl-export,CFLAGS,-DDEBUG_PRINTOUT)
+
 $(call emugl-end-module)
diff --git a/tools/emulator/opengl/host/libs/GLESv2_dec/Android.mk b/tools/emulator/opengl/host/libs/GLESv2_dec/Android.mk
index 265bac673..009d47b00 100644
--- a/tools/emulator/opengl/host/libs/GLESv2_dec/Android.mk
+++ b/tools/emulator/opengl/host/libs/GLESv2_dec/Android.mk
@@ -8,6 +8,10 @@ $(call emugl-gen-decoder,$(EMUGL_PATH)/system/GLESv2_enc,gl2)
 $(call emugl-export,C_INCLUDES,$(EMUGL_PATH)/system/GLESv2_enc)
 $(call emugl-export,C_INCLUDES,$(LOCAL_PATH))
 
+#For gl debbuging
+#$(call emugl-export,CFLAGS,-DCHECK_GL_ERROR)
+#$(call emugl-export,CFLAGS,-DDEBUG_PRINTOUT)
+
 LOCAL_SRC_FILES := GL2Decoder.cpp
 
 $(call emugl-end-module)
diff --git a/tools/emulator/opengl/host/libs/Translator/GLcommon/GLESvalidate.cpp b/tools/emulator/opengl/host/libs/Translator/GLcommon/GLESvalidate.cpp
index a734858eb..5dc836bbc 100644
--- a/tools/emulator/opengl/host/libs/Translator/GLcommon/GLESvalidate.cpp
+++ b/tools/emulator/opengl/host/libs/Translator/GLcommon/GLESvalidate.cpp
@@ -7,7 +7,6 @@
 
 
 bool  GLESvalidate::textureEnum(GLenum e,unsigned int maxTex) {
-    if (!((e >= GL_TEXTURE0) && (e <= (GL_TEXTURE0 + maxTex)))) ERR("GLESvalidate::textureEnum: e = 0x%X max %d\n", e, maxTex);
     return e >= GL_TEXTURE0 && e <= (GL_TEXTURE0 + maxTex);
 }
 
@@ -29,7 +28,6 @@ bool GLESvalidate::pixelType(GLEScontext * ctx, GLenum type) {
     case GL_FLOAT:
         return true;
     }
-    ERR("Error: GLESvalidate::pixelType 0x%X\n", type);
     return false;
 }
 
@@ -57,7 +55,6 @@ bool GLESvalidate::pixelFrmt(GLEScontext* ctx ,GLenum format) {
     case GL_LUMINANCE_ALPHA:
         return true;
     }
-    ERR("Error: GLESvalidate::pixelFrmt 0x%X\n", format);
     return false;
 }
 
@@ -107,8 +104,7 @@ bool GLESvalidate::textureTargetEx(GLenum target) {
     case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_OES:
     case GL_TEXTURE_2D:
       return true;
-    }
-    ERR("GLESvalidate::textureTargetEx 0x%X\n", target);
+    } 
     return false;
 }
 
diff --git a/tools/emulator/opengl/host/libs/libOpenglRender/Android.mk b/tools/emulator/opengl/host/libs/libOpenglRender/Android.mk
index 53ff2a0b4..6dc35c00a 100644
--- a/tools/emulator/opengl/host/libs/libOpenglRender/Android.mk
+++ b/tools/emulator/opengl/host/libs/libOpenglRender/Android.mk
@@ -47,6 +47,9 @@ LOCAL_C_INCLUDES += $(EMUGL_PATH)/host/libs/Translator/include
 
 LOCAL_STATIC_LIBRARIES += libutils liblog
 
+#For gl debbuging
+#$(call emugl-export,CFLAGS,-DCHECK_GL_ERROR)
+
 $(call emugl-end-module)
 
 endif # HOST_OS != darwin