LCOV - code coverage report
Current view: top level - gfx/angle/src/compiler/translator - Cache.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 35 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 6 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //
       2             : // Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
       3             : // Use of this source code is governed by a BSD-style license that can be
       4             : // found in the LICENSE file.
       5             : //
       6             : 
       7             : // Cache.cpp: Implements a cache for various commonly created objects.
       8             : 
       9             : #include <limits>
      10             : 
      11             : #include "common/angleutils.h"
      12             : #include "common/debug.h"
      13             : #include "compiler/translator/Cache.h"
      14             : 
      15             : namespace sh
      16             : {
      17             : 
      18             : namespace
      19             : {
      20             : 
      21             : class TScopedAllocator : angle::NonCopyable
      22             : {
      23             :   public:
      24           0 :     TScopedAllocator(TPoolAllocator *allocator)
      25           0 :         : mPreviousAllocator(GetGlobalPoolAllocator())
      26             :     {
      27           0 :         SetGlobalPoolAllocator(allocator);
      28           0 :     }
      29           0 :     ~TScopedAllocator()
      30           0 :     {
      31           0 :         SetGlobalPoolAllocator(mPreviousAllocator);
      32           0 :     }
      33             : 
      34             :   private:
      35             :     TPoolAllocator *mPreviousAllocator;
      36             : };
      37             : 
      38             : }  // namespace
      39             : 
      40           0 : TCache::TypeKey::TypeKey(TBasicType basicType,
      41             :                          TPrecision precision,
      42             :                          TQualifier qualifier,
      43             :                          unsigned char primarySize,
      44           0 :                          unsigned char secondarySize)
      45             : {
      46             :     static_assert(sizeof(components) <= sizeof(value),
      47             :                   "TypeKey::value is too small");
      48             : 
      49           0 :     const size_t MaxEnumValue = std::numeric_limits<EnumComponentType>::max();
      50             : 
      51             :     // TODO: change to static_assert() once we deprecate MSVC 2013 support
      52             :     ASSERT(MaxEnumValue >= EbtLast &&
      53             :            MaxEnumValue >= EbpLast &&
      54             :            MaxEnumValue >= EvqLast &&
      55             :            "TypeKey::EnumComponentType is too small");
      56             : 
      57           0 :     value = 0;
      58           0 :     components.basicType = static_cast<EnumComponentType>(basicType);
      59           0 :     components.precision = static_cast<EnumComponentType>(precision);
      60           0 :     components.qualifier = static_cast<EnumComponentType>(qualifier);
      61           0 :     components.primarySize = primarySize;
      62           0 :     components.secondarySize = secondarySize;
      63           0 : }
      64             : 
      65             : TCache *TCache::sCache = nullptr;
      66             : 
      67           0 : void TCache::initialize()
      68             : {
      69           0 :     if (sCache == nullptr)
      70             :     {
      71           0 :         sCache = new TCache();
      72             :     }
      73           0 : }
      74             : 
      75           0 : void TCache::destroy()
      76             : {
      77           0 :     SafeDelete(sCache);
      78           0 : }
      79             : 
      80           0 : const TType *TCache::getType(TBasicType basicType,
      81             :                              TPrecision precision,
      82             :                              TQualifier qualifier,
      83             :                              unsigned char primarySize,
      84             :                              unsigned char secondarySize)
      85             : {
      86             :     TypeKey key(basicType, precision, qualifier,
      87           0 :                 primarySize, secondarySize);
      88           0 :     auto it = sCache->mTypes.find(key);
      89           0 :     if (it != sCache->mTypes.end())
      90             :     {
      91           0 :         return it->second;
      92             :     }
      93             : 
      94           0 :     TScopedAllocator scopedAllocator(&sCache->mAllocator);
      95             : 
      96             :     TType *type = new TType(basicType, precision, qualifier,
      97           0 :                             primarySize, secondarySize);
      98           0 :     type->realize();
      99           0 :     sCache->mTypes.insert(std::make_pair(key, type));
     100             : 
     101           0 :     return type;
     102             : }
     103             : 
     104             : }  // namespace sh

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