chromium/third_party/angle/src/compiler/translator/ValidateOutputs.cpp

//
// Copyright 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.
//
// ValidateOutputs validates fragment shader outputs. It checks for conflicting locations,
// out-of-range locations, that locations are specified when using multiple outputs, and YUV output
// validity.

#include "compiler/translator/ValidateOutputs.h"

#include <set>

#include "compiler/translator/InfoSink.h"
#include "compiler/translator/ParseContext.h"
#include "compiler/translator/tree_util/IntermTraverse.h"

namespace sh
{

namespace
{

void error(const TIntermSymbol &symbol, const char *reason, TDiagnostics *diagnostics)
{ … }

class ValidateOutputsTraverser : public TIntermTraverser
{ … };

ValidateOutputsTraverser::ValidateOutputsTraverser(const TExtensionBehavior &extBehavior,
                                                   const ShBuiltInResources &resources,
                                                   bool usesPixelLocalStorage,
                                                   bool isWebGL)
    : … { … }

void ValidateOutputsTraverser::visitSymbol(TIntermSymbol *symbol)
{ … }

void ValidateOutputsTraverser::validate(TDiagnostics *diagnostics) const
{ … }

}  // anonymous namespace

bool ValidateOutputs(TIntermBlock *root,
                     const TExtensionBehavior &extBehavior,
                     const ShBuiltInResources &resources,
                     bool usesPixelLocalStorage,
                     bool isWebGL,
                     TDiagnostics *diagnostics)
{ … }

}  // namespace sh