kc3-lang/angle/src/libANGLE/VertexArray_unittest.cpp

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• Hash : 0946393d
  Author :
  Date : 2018-04-04T05:26:59
  

  Move Buffer Subject/Observer to front end.
  
  This makes BufferImpl into an Observer Subject. It also refactors
  the Vertex Array updates for the D3D11 backend use more of a dirty
  bit coding style.
  
  This change makes it so Buffer contents changes trigger front-end
  dirty bits from the back-end, which may be undesirable.
  
  Bug: angleproject:2389
  Change-Id: Iac8ce1171284a86851c18cd1373ddf24fcefe40b
  Reviewed-on: https://chromium-review.googlesource.com/979812
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/VertexArray_unittest.cpp

• //
  // Copyright 2017 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.
  //
  // Unit tests for VertexArray and related classes.
  //
  
  #include "gmock/gmock.h"
  #include "gtest/gtest.h"
  
  #include "common/bitset_utils.h"
  #include "common/utilities.h"
  #include "libANGLE/VertexArray.h"
  
  using namespace gl;
  
  // Tests that function GetIndexFromDirtyBit computes the index properly.
  TEST(VertexArrayTest, VerifyGetIndexFromDirtyBit)
  {
      VertexArray::DirtyBits dirtyBits;
      constexpr size_t bits[] = {1, 4, 9, 16, 25, 35};
      constexpr GLint count   = sizeof(bits) / sizeof(size_t);
      for (GLint i = 0; i < count; i++)
      {
          dirtyBits.set(bits[i]);
      }
  
      for (size_t dirtyBit : dirtyBits)
      {
          const size_t index = VertexArray::GetVertexIndexFromDirtyBit(dirtyBit);
          if (dirtyBit < VertexArray::DIRTY_BIT_ATTRIB_0)
          {
              continue;
          }
          else if (dirtyBit < VertexArray::DIRTY_BIT_ATTRIB_MAX)
          {
              EXPECT_EQ(dirtyBit - VertexArray::DIRTY_BIT_ATTRIB_0, index);
          }
          else if (dirtyBit < VertexArray::DIRTY_BIT_BINDING_MAX)
          {
              EXPECT_EQ(dirtyBit - VertexArray::DIRTY_BIT_BINDING_0, index);
          }
          else if (dirtyBit < VertexArray::DIRTY_BIT_BUFFER_DATA_MAX)
          {
              EXPECT_EQ(dirtyBit - VertexArray::DIRTY_BIT_BUFFER_DATA_0, index);
          }
          else
              ASSERT_TRUE(false);
      }
  }
  

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