X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=footer.frag;h=4976136abf07491c6e586fa6a9380d5878248f48;hb=4f45f136fd2f652e923463189c5b8f74464a7268;hp=04c8e7c0eb370f226181cd81b4712a718ecdec47;hpb=865a82f44545fa48a67eda605a18315d6ea15cfd;p=movit

diff --git a/footer.frag b/footer.frag
index 04c8e7c..4976136 100644
--- a/footer.frag
+++ b/footer.frag
@@ -1,3 +1,18 @@
+// GLSL is pickier than the C++ preprocessor in if-testing for undefined
+// tokens; do some fixups here to keep it happy.
+
+#ifndef YCBCR_OUTPUT_PLANAR
+#define YCBCR_OUTPUT_PLANAR 0
+#endif
+
+#ifndef YCBCR_OUTPUT_SPLIT_Y_AND_CBCR
+#define YCBCR_OUTPUT_SPLIT_Y_AND_CBCR 0
+#endif
+
+#ifndef YCBCR_ALSO_OUTPUT_RGBA
+#define YCBCR_ALSO_OUTPUT_RGBA 0
+#endif
+
 #if YCBCR_OUTPUT_PLANAR
 out vec4 Y;
 out vec4 Cb;