Implement support for constructing a 2x2 matrix from a vector.

BUG=380353 Change-Id: Ica0b94104e39f87b4a3439df40221b1f682fd678 Reviewed-on: https://chromium-review.googlesource.com/203293Tested-by: Nicolas Capens <nicolascapens@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shannon Woods <shannonwoods@chromium.org>

Implement support for constructing a 2x2 matrix from a vector.
2a59292d · Nicolas Capens · 5bf98290 · 2a59292d
Commit 2a59292d authored Jun 11, 2014 by Nicolas Capens
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OutputHLSL.cpp src/compiler/translator/OutputHLSL.cpp +6 -1

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--- a/src/compiler/translator/OutputHLSL.cpp
+++ b/src/compiler/translator/OutputHLSL.cpp
@@ -3590,7 +3590,12 @@ void OutputHLSL::addConstructor(const TType &type, const TString &name, const TI
                }
            }
        }
-        else UNREACHABLE();
+        else
+        {
+            ASSERT(rows == 2 && cols == 2 && parameter.isVector() && parameter.getNominalSize() == 4);
+
+            constructor += "x0";
+        }
    }
    else
    {