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-rw-r--r--render/fx_renderer/gles2/shaders/box_shadow.frag5
1 files changed, 5 insertions, 0 deletions
diff --git a/render/fx_renderer/gles2/shaders/box_shadow.frag b/render/fx_renderer/gles2/shaders/box_shadow.frag
index c9b2b91..92d40fc 100644
--- a/render/fx_renderer/gles2/shaders/box_shadow.frag
+++ b/render/fx_renderer/gles2/shaders/box_shadow.frag
@@ -1,6 +1,11 @@
// Writeup: https://madebyevan.com/shaders/fast-rounded-rectangle-shadows/
+#ifdef GL_FRAGMENT_PRECISION_HIGH
+precision highp float;
+#else
precision mediump float;
+#endif
+
varying vec4 v_color;
varying vec2 v_texcoord;