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-rw-r--r--src/render/shaders/glsl/constants.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/render/shaders/glsl/constants.h b/src/render/shaders/glsl/constants.h
index bbab5284..db8b2cc1 100644
--- a/src/render/shaders/glsl/constants.h
+++ b/src/render/shaders/glsl/constants.h
@@ -1,6 +1,7 @@
#ifndef CONSTANTS_H
#define CONSTANTS_H
//enum eTransferFunction
+#define CM_TRANSFER_FUNCTION_LINEAR 0 // not normalised
#define CM_TRANSFER_FUNCTION_BT1886 1
#define CM_TRANSFER_FUNCTION_GAMMA22 2
#define CM_TRANSFER_FUNCTION_GAMMA28 3