kc3-lang/angle/src/compiler/translator/tree_util/FindFunction.cpp

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• Hash : 6d37651a
  Author :
  Date : 2019-06-26T13:13:09
  

  Vulkan: dFdy is incorrect when the framebuffer is flipped
  
  To account for framebuffer flipping, `dFdy()` expressions
  must be changed to:
  
      dFdy() * ANGLEUniforms.viewportYScale
  
  Bug: angleproject:3487
  Test: dEQP-GLES3.functional.shaders.derivate.dfdy.*
  Change-Id: I38f25ba37fb8c5ae61cee5ac911df88ec4a93fef
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1678404
  Commit-Queue: Tim Van Patten <timvp@google.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/compiler/translator/tree_util/FindFunction.cpp

• //
  // Copyright 2019 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.
  //
  
  // FindFunction.cpp: Find functions.
  
  #include "compiler/translator/tree_util/FindFunction.h"
  
  #include "compiler/translator/IntermNode.h"
  #include "compiler/translator/Symbol.h"
  
  namespace sh
  {
  
  size_t FindFirstFunctionDefinitionIndex(TIntermBlock *root)
  {
      const TIntermSequence &sequence = *root->getSequence();
      for (size_t index = 0; index < sequence.size(); ++index)
      {
          TIntermNode *node                       = sequence[index];
          TIntermFunctionDefinition *nodeFunction = node->getAsFunctionDefinition();
          if (nodeFunction != nullptr)
          {
              return index;
          }
      }
      return std::numeric_limits<size_t>::max();
  }
  
  }  // namespace sh
  

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