1 files changed, 0 insertions, 129 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/EmulateGLFragColorBroadcast.cpp b/src/3rdparty/angle/src/compiler/translator/EmulateGLFragColorBroadcast.cpp
deleted file mode 100644
index 189ea341eb..0000000000
--- a/src/3rdparty/angle/src/compiler/translator/EmulateGLFragColorBroadcast.cpp
+++ /dev/null
@@ -1,129 +0,0 @@
-//
-// Copyright (c) 2002-2016 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.
-//
-// gl_FragColor needs to broadcast to all color buffers in ES2 if
-// GL_EXT_draw_buffers is explicitly enabled in a fragment shader.
-//
-// We emulate this by replacing all gl_FragColor with gl_FragData[0], and in the end
-// of main() function, assigning gl_FragData[1], ..., gl_FragData[maxDrawBuffers-1]
-// with gl_FragData[0].
-//
-
-#include "compiler/translator/EmulateGLFragColorBroadcast.h"
-
-#include "compiler/translator/IntermNode_util.h"
-#include "compiler/translator/IntermTraverse.h"
-#include "compiler/translator/RunAtTheEndOfShader.h"
-
-namespace sh
-{
-
-namespace
-{
-
-class GLFragColorBroadcastTraverser : public TIntermTraverser
-{
-  public:
-    GLFragColorBroadcastTraverser(int maxDrawBuffers, TSymbolTable *symbolTable, int shaderVersion)
-        : TIntermTraverser(true, false, false, symbolTable),
-          mGLFragColorUsed(false),
-          mMaxDrawBuffers(maxDrawBuffers),
-          mShaderVersion(shaderVersion)
-    {
-    }
-
-    void broadcastGLFragColor(TIntermBlock *root);
-
-    bool isGLFragColorUsed() const { return mGLFragColorUsed; }
-
-  protected:
-    void visitSymbol(TIntermSymbol *node) override;
-
-    TIntermBinary *constructGLFragDataNode(int index) const;
-    TIntermBinary *constructGLFragDataAssignNode(int index) const;
-
-  private:
-    bool mGLFragColorUsed;
-    int mMaxDrawBuffers;
-    const int mShaderVersion;
-};
-
-TIntermBinary *GLFragColorBroadcastTraverser::constructGLFragDataNode(int index) const
-{
-    TIntermSymbol *symbol =
-        ReferenceBuiltInVariable(TString("gl_FragData"), *mSymbolTable, mShaderVersion);
-    TIntermTyped *indexNode = CreateIndexNode(index);
-
-    TIntermBinary *binary = new TIntermBinary(EOpIndexDirect, symbol, indexNode);
-    return binary;
-}
-
-TIntermBinary *GLFragColorBroadcastTraverser::constructGLFragDataAssignNode(int index) const
-{
-    TIntermTyped *fragDataIndex = constructGLFragDataNode(index);
-    TIntermTyped *fragDataZero  = constructGLFragDataNode(0);
-
-    return new TIntermBinary(EOpAssign, fragDataIndex, fragDataZero);
-}
-
-void GLFragColorBroadcastTraverser::visitSymbol(TIntermSymbol *node)
-{
-    if (node->getSymbol() == "gl_FragColor")
-    {
-        queueReplacement(constructGLFragDataNode(0), OriginalNode::IS_DROPPED);
-        mGLFragColorUsed = true;
-    }
-}
-
-void GLFragColorBroadcastTraverser::broadcastGLFragColor(TIntermBlock *root)
-{
-    ASSERT(mMaxDrawBuffers > 1);
-    if (!mGLFragColorUsed)
-    {
-        return;
-    }
-
-    TIntermBlock *broadcastBlock = new TIntermBlock();
-    // Now insert statements
-    //   gl_FragData[1] = gl_FragData[0];
-    //   ...
-    //   gl_FragData[maxDrawBuffers - 1] = gl_FragData[0];
-    for (int colorIndex = 1; colorIndex < mMaxDrawBuffers; ++colorIndex)
-    {
-        broadcastBlock->appendStatement(constructGLFragDataAssignNode(colorIndex));
-    }
-    RunAtTheEndOfShader(root, broadcastBlock, mSymbolTable);
-}
-
-}  // namespace anonymous
-
-void EmulateGLFragColorBroadcast(TIntermBlock *root,
-                                 int maxDrawBuffers,
-                                 std::vector<sh::OutputVariable> *outputVariables,
-                                 TSymbolTable *symbolTable,
-                                 int shaderVersion)
-{
-    ASSERT(maxDrawBuffers > 1);
-    GLFragColorBroadcastTraverser traverser(maxDrawBuffers, symbolTable, shaderVersion);
-    root->traverse(&traverser);
-    if (traverser.isGLFragColorUsed())
-    {
-        traverser.updateTree();
-        traverser.broadcastGLFragColor(root);
-        for (auto &var : *outputVariables)
-        {
-            if (var.name == "gl_FragColor")
-            {
-                // TODO(zmo): Find a way to keep the original variable information.
-                var.name       = "gl_FragData";
-                var.mappedName = "gl_FragData";
-                var.arraySizes.push_back(maxDrawBuffers);
-                ASSERT(var.arraySizes.size() == 1u);
-            }
-        }
-    }
-}
-
-}  // namespace sh