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-rw-r--r--make/stub_includes/opengl/macosx-window-system.h4
1 files changed, 4 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();