commit fc7fab723533af9121f5ba8dec5c31cf5cc00acb
author Olli Etuaho <oetuaho@nvidia.com> Fri Mar 06 12:03:18 2015 +0200
committer Olli Etuaho <oetuaho@nvidia.com> Mon Mar 09 08:27:56 2015 +0000
tree db6850d8ace6097cbac3f765c7d30272738daad0
parent 51585037099114b9b75259b58eb9da6349f30385

Fix matrix compound multiplication

Matrix compound multiplication was lacking transposes. Add them so that
results match normal multiplication.

BUG=angleproject:938
TEST=dEQP-GLES3.functional.shaders.matrix.mul_assign.*

Change-Id: I4c5159de0727afb4ee2831586f04fa817619de7a
Reviewed-on: https://chromium-review.googlesource.com/256366
Tested-by: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>

src/compiler/translator/OutputHLSL.cpp

diff --git a/src/compiler/translator/OutputHLSL.cpp b/src/compiler/translator/OutputHLSL.cpp
index 5bf7d7b..bebaeb5 100644
--- a/src/compiler/translator/OutputHLSL.cpp
+++ b/src/compiler/translator/OutputHLSL.cpp
@@ -1454,13 +1454,13 @@
         }
         else if (visit == InVisit)
         {
-            out << " = mul(";
+            out << " = transpose(mul(transpose(";
             node->getLeft()->traverse(this);
-            out << ", ";
+            out << "), transpose(";
         }
         else
         {
-            out << "))";
+            out << "))))";
         }
         break;
       case EOpDivAssign:               outputTriplet(visit, "(", " /= ", ")");          break;