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Diffstat (limited to 'slideshow/opengl/rippleFragmentShader.glsl')
-rw-r--r--slideshow/opengl/rippleFragmentShader.glsl2
1 files changed, 2 insertions, 0 deletions
diff --git a/slideshow/opengl/rippleFragmentShader.glsl b/slideshow/opengl/rippleFragmentShader.glsl
index 83677e4d6390..ac6b8ac37099 100644
--- a/slideshow/opengl/rippleFragmentShader.glsl
+++ b/slideshow/opengl/rippleFragmentShader.glsl
@@ -7,6 +7,8 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
+#version 120
+
#define M_PI 3.1415926535897932384626433832795
uniform sampler2D leavingSlideTexture;