diff --git a/dtool/Config.pp b/dtool/Config.pp
index 6bf53cebd0..a6e2c24683 100644
--- a/dtool/Config.pp
+++ b/dtool/Config.pp
@@ -439,6 +439,24 @@
 #define CGGL_LIBS $[if $[WINDOWS_PLATFORM],cgGL.lib,CgGL]
 #defer HAVE_CGGL $[and $[HAVE_CG],$[libtest $[CGGL_LPATH],$[CGGL_LIBS]]]
 
+// Is CgDX8 installed, and where?
+#defer CGDX8_IPATH $[CG_IPATH]
+#defer CGDX8_LPATH $[CG_LPATH]
+#define CGDX8_LIBS $[if $[WINDOWS_PLATFORM],cgD3D8.lib,CgDX8]
+#defer HAVE_CGDX8 $[and $[HAVE_CG],$[libtest $[CGDX8_LPATH],$[CGDX8_LIBS]]]
+
+// Is CgDX9 installed, and where?
+#defer CGDX9_IPATH $[CG_IPATH]
+#defer CGDX9_LPATH $[CG_LPATH]
+#define CGDX9_LIBS $[if $[WINDOWS_PLATFORM],cgD3D9.lib,CgDX9]
+#defer HAVE_CGDX9 $[and $[HAVE_CG],$[libtest $[CGDX9_LPATH],$[CGDX9_LIBS]]]
+
+// Is CgDX10 installed, and where?
+#defer CGDX10_IPATH $[CG_IPATH]
+#defer CGDX10_LPATH $[CG_LPATH]
+#define CGDX10_LIBS $[if $[WINDOWS_PLATFORM],cgD3D10.lib,CgDX10]
+#defer HAVE_CGDX10 $[and $[HAVE_CG],$[libtest $[CGDX10_LPATH],$[CGDX10_LIBS]]]
+
 // Is VRPN installed, and where?
 #define VRPN_IPATH
 #define VRPN_LPATH
diff --git a/dtool/LocalSetup.pp b/dtool/LocalSetup.pp
index 56eae70fc2..44072cac85 100644
--- a/dtool/LocalSetup.pp
+++ b/dtool/LocalSetup.pp
@@ -51,6 +51,21 @@
 #else
 #print - Did not find Cg OpenGL API
 #endif
+#if $[HAVE_CGDX8]
+#print + Cg DX8 API
+#else
+#print - Did not find Cg DX8 API
+#endif
+#if $[HAVE_CGDX9]
+#print + Cg DX9 API
+#else
+#print - Did not find Cg DX9 API
+#endif
+#if $[HAVE_CGDX10]
+#print + Cg DX10 API
+#else
+#print - Did not find Cg DX10 API
+#endif
 #if $[HAVE_VRPN]
 #print + VRPN
 #else
@@ -176,6 +191,15 @@ $[cdefine HAVE_CG]
 /* Define if we have CGGL installed.  */
 $[cdefine HAVE_CGGL]
 
+/* Define if we have CGDX8 installed.  */
+$[cdefine HAVE_CGDX8]
+
+/* Define if we have CGDX9 installed.  */
+$[cdefine HAVE_CGDX9]
+
+/* Define if we have CGDX10 installed.  */
+$[cdefine HAVE_CGDX10]
+
 /* Define if we have zlib installed.  */
 $[cdefine HAVE_ZLIB]
 
diff --git a/dtool/Package.pp b/dtool/Package.pp
index 5a20ae5271..e914e931c4 100644
--- a/dtool/Package.pp
+++ b/dtool/Package.pp
@@ -148,6 +148,21 @@
 #set CGGL_LIBS $[CGGL_LIBS]
 #set HAVE_CGGL $[HAVE_CGGL]
 
+#set CGDX8_IPATH $[unixfilename $[CGDX8_IPATH]]
+#set CGDX8_LPATH $[unixfilename $[CGDX8_LPATH]]
+#set CGDX8_LIBS $[CGDX8_LIBS]
+#set HAVE_CGDX8 $[HAVE_CGDX8]
+
+#set CGDX9_IPATH $[unixfilename $[CGDX9_IPATH]]
+#set CGDX9_LPATH $[unixfilename $[CGDX9_LPATH]]
+#set CGDX9_LIBS $[CGDX9_LIBS]
+#set HAVE_CGDX9 $[HAVE_CGDX9]
+
+#set CGDX10_IPATH $[unixfilename $[CGDX10_IPATH]]
+#set CGDX10_LPATH $[unixfilename $[CGDX10_LPATH]]
+#set CGDX10_LIBS $[CGDX10_LIBS]
+#set HAVE_CGDX10 $[HAVE_CGDX10]
+
 #set VRPN_IPATH $[unixfilename $[VRPN_IPATH]]
 #set VRPN_LPATH $[unixfilename $[VRPN_LPATH]]
 #set VRPN_LIBS $[VRPN_LIBS]
diff --git a/dtool/pptempl/Global.pp b/dtool/pptempl/Global.pp
index fc48d7bd2b..f1533a107b 100644
--- a/dtool/pptempl/Global.pp
+++ b/dtool/pptempl/Global.pp
@@ -216,6 +216,27 @@
   #define cggl_libs $[CGGL_LIBS]
 #endif
 
+#if $[HAVE_CGDX8]
+  #define cgdx8_ipath $[wildcard $[CGDX8_IPATH]]
+  #define cgdx8_lpath $[wildcard $[CGDX8_LPATH]]
+  #define cgdx8_cflags $[CGDX8_CFLAGS]
+  #define cgdx8_libs $[CGDX8_LIBS]
+#endif
+
+#if $[HAVE_CGDX9]
+  #define cgdx9_ipath $[wildcard $[CGDX9_IPATH]]
+  #define cgdx9_lpath $[wildcard $[CGDX9_LPATH]]
+  #define cgdx9_cflags $[CGDX9_CFLAGS]
+  #define cgdx9_libs $[CGDX9_LIBS]
+#endif
+
+#if $[HAVE_CGDX10]
+  #define cgdx10_ipath $[wildcard $[CGDX10_IPATH]]
+  #define cgdx10_lpath $[wildcard $[CGDX10_LPATH]]
+  #define cgdx10_cflags $[CGDX10_CFLAGS]
+  #define cgdx10_libs $[CGDX10_LIBS]
+#endif
+
 #if $[HAVE_VRPN]
   #define vrpn_ipath $[wildcard $[VRPN_IPATH]]
   #define vrpn_lpath $[wildcard $[VRPN_LPATH]]