3 files changed, 31 insertions, 0 deletions
diff --git a/make/stub_includes/opengl/macosx-window-system.h b/make/stub_includes/opengl/macosx-window-system.h
index 46ee1c45d..3eb6ce514 100644
--- a/make/stub_includes/opengl/macosx-window-system.h
+++ b/make/stub_includes/opengl/macosx-window-system.h
@@ -44,3 +44,7 @@ void setContextTextureImageToPBuffer(void* nsContext, void* pBuffer, int colorBu
 void* getProcAddress(const char *procName);
 
 void setSwapInterval(void* nsContext, int interval);
+
+/* Gamma-related functionality */
+Bool setGammaRamp(int tableSize, float* redRamp, float* greenRamp, float* blueRamp);
+void resetGammaRamp();
diff --git a/make/stub_includes/win32/wingdi.h b/make/stub_includes/win32/wingdi.h
index 35f754178..4d980755b 100644
--- a/make/stub_includes/win32/wingdi.h
+++ b/make/stub_includes/win32/wingdi.h
@@ -210,3 +210,7 @@ WINUSERAPI BOOL WINAPI ShowWindow(HWND hWnd, int nCmdShow);
 WINUSERAPI HDC  WINAPI GetDC(HWND);
 WINUSERAPI int  WINAPI ReleaseDC(HWND hWnd, HDC hDC);
 WINUSERAPI BOOL WINAPI DestroyWindow(HWND hWnd);
+
+// Routines for changing gamma ramp of display device
+WINGDIAPI BOOL        WINAPI GetDeviceGammaRamp(HDC,LPVOID);
+WINGDIAPI BOOL        WINAPI SetDeviceGammaRamp(HDC,LPVOID);
diff --git a/make/stub_includes/x11/window-system.c b/make/stub_includes/x11/window-system.c
index 6af85eeb9..00b474899 100644
--- a/make/stub_includes/x11/window-system.c
+++ b/make/stub_includes/x11/window-system.c
@@ -35,3 +35,26 @@ extern int XFreePixmap(
     Display*		/* display */,
     Pixmap		/* pixmap */
 );
+
+// Routines for changing gamma settings.
+// Note that these are not currently supported on Solaris.
+Bool XF86VidModeGetGammaRampSize(
+    Display *display,
+    int screen,
+    int* size);
+
+Bool XF86VidModeGetGammaRamp(
+    Display *display,
+    int screen,
+    int size,
+    unsigned short *red_array,
+    unsigned short *green_array,
+    unsigned short *blue_array);
+
+Bool XF86VidModeSetGammaRamp(
+    Display *display,
+    int screen,
+    int size,
+    unsigned short *red_array,
+    unsigned short *green_array,
+    unsigned short *blue_array);