1 files changed, 6 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/Program.cpp b/gfx/angle/src/libANGLE/Program.cpp
index 7f4226da1..49a0f9a33 100755
--- a/gfx/angle/src/libANGLE/Program.cpp
+++ b/gfx/angle/src/libANGLE/Program.cpp
@@ -679,6 +679,12 @@ Error Program::link(const ContextState &data)
 
     gatherInterfaceBlockInfo();
 
+    // Because we do lazy init in assignUniformBlockRegisters,
+    // we must initialize them when linking shaders,
+    // otherwise, we will have no shaders for getting uniform blocks
+    // information from shaders when doing draw calls.
+    mProgram->assignUniformBlockRegisters();
+
     mLinked = true;
     return NoError();
 }