webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 102 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/src/compiler/translator/OutputGLSL.cpp b/Source/ThirdParty/ANGLE/src/compiler/translator/OutputGLSL.cpp
new file mode 100644
index 000000000..431425020
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/src/compiler/translator/OutputGLSL.cpp
@@ -0,0 +1,102 @@
+//
+// Copyright (c) 2002-2013 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.
+//
+
+#include "compiler/translator/OutputGLSL.h"
+
+TOutputGLSL::TOutputGLSL(TInfoSinkBase& objSink,
+                         ShArrayIndexClampingStrategy clampingStrategy,
+                         ShHashFunction64 hashFunction,
+                         NameMap& nameMap,
+                         TSymbolTable& symbolTable,
+                         int shaderVersion,
+                         ShShaderOutput output)
+    : TOutputGLSLBase(objSink,
+                      clampingStrategy,
+                      hashFunction,
+                      nameMap,
+                      symbolTable,
+                      shaderVersion,
+                      output)
+{
+}
+
+bool TOutputGLSL::writeVariablePrecision(TPrecision)
+{
+    return false;
+}
+
+void TOutputGLSL::visitSymbol(TIntermSymbol *node)
+{
+    TInfoSinkBase& out = objSink();
+
+    const TString &symbol = node->getSymbol();
+    if (symbol == "gl_FragDepthEXT")
+    {
+        out << "gl_FragDepth";
+    }
+    else if (symbol == "gl_FragColor" && IsGLSL130OrNewer(getShaderOutput()))
+    {
+        out << "webgl_FragColor";
+    }
+    else if (symbol == "gl_FragData" && IsGLSL130OrNewer(getShaderOutput()))
+    {
+        out << "webgl_FragData";
+    }
+    else if (symbol == "gl_SecondaryFragColorEXT")
+    {
+        out << "angle_SecondaryFragColor";
+    }
+    else if (symbol == "gl_SecondaryFragDataEXT")
+    {
+        out << "angle_SecondaryFragData";
+    }
+    else
+    {
+        TOutputGLSLBase::visitSymbol(node);
+    }
+}
+
+TString TOutputGLSL::translateTextureFunction(TString &name)
+{
+    static const char *simpleRename[] = {
+        "texture2DLodEXT", "texture2DLod",
+        "texture2DProjLodEXT", "texture2DProjLod",
+        "textureCubeLodEXT", "textureCubeLod",
+        "texture2DGradEXT", "texture2DGradARB",
+        "texture2DProjGradEXT", "texture2DProjGradARB",
+        "textureCubeGradEXT", "textureCubeGradARB",
+        NULL, NULL
+    };
+    static const char *legacyToCoreRename[] = {
+        "texture2D", "texture",
+        "texture2DProj", "textureProj",
+        "texture2DLod", "textureLod",
+        "texture2DProjLod", "textureProjLod",
+        "texture2DRect", "texture",
+        "textureCube", "texture",
+        "textureCubeLod", "textureLod",
+        // Extensions
+        "texture2DLodEXT", "textureLod",
+        "texture2DProjLodEXT", "textureProjLod",
+        "textureCubeLodEXT", "textureLod",
+        "texture2DGradEXT", "textureGrad",
+        "texture2DProjGradEXT", "textureProjGrad",
+        "textureCubeGradEXT", "textureGrad",
+        NULL, NULL
+    };
+    const char **mapping = (IsGLSL130OrNewer(getShaderOutput())) ?
+        legacyToCoreRename : simpleRename;
+
+    for (int i = 0; mapping[i] != NULL; i += 2)
+    {
+        if (name == mapping[i])
+        {
+            return mapping[i+1];
+        }
+    }
+
+    return name;
+}