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-rw-r--r--src/mesa/main/readpix.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/main/readpix.h b/src/mesa/main/readpix.h
index 41116e430ec..481ad9d9c37 100644
--- a/src/mesa/main/readpix.h
+++ b/src/mesa/main/readpix.h
@@ -38,7 +38,8 @@ _mesa_readpixels_needs_slow_path(const struct gl_context *ctx, GLenum format,
GLenum type, GLboolean uses_blit);
extern GLboolean
-_mesa_need_rgb_to_luminance_conversion(mesa_format texFormat, GLenum format);
+_mesa_need_rgb_to_luminance_conversion(GLenum srcBaseFormat,
+ GLenum dstBaseFormat);
extern GLboolean
_mesa_need_luminance_to_rgb_conversion(GLenum srcBaseFormat,