1 files changed, 47 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/ScalarizeVecAndMatConstructorArgs.h b/src/3rdparty/angle/src/compiler/translator/ScalarizeVecAndMatConstructorArgs.h
new file mode 100644
index 0000000000..7c6d09c1bb
--- /dev/null
+++ b/src/3rdparty/angle/src/compiler/translator/ScalarizeVecAndMatConstructorArgs.h
@@ -0,0 +1,47 @@
+//
+// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_TRANSLATOR_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS_H_
+#define COMPILER_TRANSLATOR_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS_H_
+
+#include "compiler/translator/IntermNode.h"
+
+class ScalarizeVecAndMatConstructorArgs : public TIntermTraverser
+{
+  public:
+    ScalarizeVecAndMatConstructorArgs(sh::GLenum shaderType,
+                                      bool fragmentPrecisionHigh)
+        : mTempVarCount(0),
+          mShaderType(shaderType),
+          mFragmentPrecisionHigh(fragmentPrecisionHigh) {}
+
+  protected:
+    virtual bool visitAggregate(Visit visit, TIntermAggregate *node);
+
+  private:
+    void scalarizeArgs(TIntermAggregate *aggregate,
+                       bool scalarizeVector, bool scalarizeMatrix);
+
+    // If we have the following code:
+    //   mat4 m(0);
+    //   vec4 v(1, m);
+    // We will rewrite to:
+    //   mat4 m(0);
+    //   mat4 _webgl_tmp_mat_0 = m;
+    //   vec4 v(1, _webgl_tmp_mat_0[0][0], _webgl_tmp_mat_0[0][1], _webgl_tmp_mat_0[0][2]);
+    // This function is to create nodes for "mat4 _webgl_tmp_mat_0 = m;" and insert it to
+    // the code sequence.
+    // Return the temporary variable name.
+    TString createTempVariable(TIntermTyped *original);
+
+    std::vector<TIntermSequence> mSequenceStack;
+    int mTempVarCount;
+
+    sh::GLenum mShaderType;
+    bool mFragmentPrecisionHigh;
+};
+
+#endif  // COMPILER_TRANSLATOR_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS_H_