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-rw-r--r--shaders/chromeos/55.shader_test1
1 files changed, 1 insertions, 0 deletions
diff --git a/shaders/chromeos/55.shader_test b/shaders/chromeos/55.shader_test
index 81104df..8cba3f8 100644
--- a/shaders/chromeos/55.shader_test
+++ b/shaders/chromeos/55.shader_test
@@ -1,5 +1,6 @@
[require]
GLSL ES >= 1.00
+GL_OES_standard_derivatives
[fragment shader]
#extension GL_OES_standard_derivatives : require