Fix matrix by matrix multiplication
TRAC #11751
Signed-off-by: Shannon Woods
Signed-off-by: Daniel Koch

Author:    Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@187 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/compiler/OutputHLSL.cpp b/src/compiler/OutputHLSL.cpp
index 67309f5..a9ab3c8 100644
--- a/src/compiler/OutputHLSL.cpp
+++ b/src/compiler/OutputHLSL.cpp
@@ -950,7 +950,7 @@
       case EOpMatrixTimesScalar: outputTriplet(visit, "(", " * ", ")");   break;
       case EOpVectorTimesMatrix: outputTriplet(visit, "mul(", ", transpose(", "))"); break;
       case EOpMatrixTimesVector: outputTriplet(visit, "mul(transpose(", "), ", ")"); break;
-      case EOpMatrixTimesMatrix: outputTriplet(visit, "mul(", ", ", ")"); break;
+      case EOpMatrixTimesMatrix: outputTriplet(visit, "transpose(mul(transpose(", "), transpose(", ")))"); break;
       case EOpLogicalOr:         outputTriplet(visit, "(", " || ", ")");  break;
       case EOpLogicalXor:        outputTriplet(visit, "xor(", ", ", ")"); break;
       case EOpLogicalAnd:        outputTriplet(visit, "(", " && ", ")");  break;