fix compilation warnings.

1 files changed, 7 insertions, 5 deletions

diff --git a/src/render/nullopenglgraphics.cpp b/src/render/nullopenglgraphics.cpp
index 9e0b49aeb..7cf4c2f34 100644
--- a/src/render/nullopenglgraphics.cpp
+++ b/src/render/nullopenglgraphics.cpp
@@ -158,14 +158,16 @@ bool NullOpenGLGraphics::drawImage2(const Image *const image,
     return true;
 }
 
-void NullOpenGLGraphics::drawImageCached(const Image *const image,
-                                         int x, int y)
+void NullOpenGLGraphics::drawImageCached(const Image *const image A_UNUSED,
+                                         int x A_UNUSED, int y A_UNUSED)
 {
 }
 
-void NullOpenGLGraphics::drawPatternCached(const Image *const image,
-                                           const int x, const int y,
-                                           const int w, const int h)
+void NullOpenGLGraphics::drawPatternCached(const Image *const image A_UNUSED,
+                                           const int x A_UNUSED,
+                                           const int y A_UNUSED,
+                                           const int w A_UNUSED,
+                                           const int h A_UNUSED)
 {
 }