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

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• Hash : 60ec6ea7
  Author :
  Date : 2016-01-22T15:27:19
  

  Implement dirty bits for Framebuffer.
  
  The dirty bits set the stage for performance improvements in D3D, but
  don't actually reduce any of the redundant work just yet.
  
  BUG=angleproject:1260
  
  Change-Id: Ib84e6a9b7aa40c37c41790f492361b22faaf4742
  Reviewed-on: https://chromium-review.googlesource.com/318730
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Tryjob-Request: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Tested-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/validationES_unittest.cpp

• //
  // Copyright 2015 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.
  //
  // validationES unit tests:
  //   Unit tests for general ES validation functions.
  //
  
  #include <gmock/gmock.h>
  #include <gtest/gtest.h>
  
  #include "libANGLE/Data.h"
  #include "libANGLE/renderer/FramebufferImpl_mock.h"
  #include "libANGLE/renderer/ProgramImpl_mock.h"
  #include "libANGLE/renderer/TextureImpl_mock.h"
  #include "libANGLE/validationES.h"
  #include "tests/angle_unittests_utils.h"
  
  using namespace gl;
  using namespace rx;
  using testing::_;
  using testing::NiceMock;
  using testing::Return;
  
  namespace
  {
  
  class MockFactory : public NullFactory
  {
    public:
      MOCK_METHOD1(createFramebuffer, FramebufferImpl *(const gl::Framebuffer::Data &));
      MOCK_METHOD1(createProgram, ProgramImpl *(const gl::Program::Data &));
      MOCK_METHOD1(createVertexArray, VertexArrayImpl *(const gl::VertexArray::Data &));
  };
  
  class MockValidationContext : public ValidationContext
  {
    public:
      MockValidationContext(GLint clientVersion,
                            const State &state,
                            const Caps &caps,
                            const TextureCapsMap &textureCaps,
                            const Extensions &extensions,
                            const ResourceManager *resourceManager,
                            const Limitations &limitations,
                            bool skipValidation);
  
      MOCK_METHOD1(recordError, void(const Error &));
  };
  
  MockValidationContext::MockValidationContext(GLint clientVersion,
                                               const State &state,
                                               const Caps &caps,
                                               const TextureCapsMap &textureCaps,
                                               const Extensions &extensions,
                                               const ResourceManager *resourceManager,
                                               const Limitations &limitations,
                                               bool skipValidation)
      : ValidationContext(clientVersion,
                          state,
                          caps,
                          textureCaps,
                          extensions,
                          resourceManager,
                          limitations,
                          skipValidation)
  {
  }
  
  // Test that ANGLE generates an INVALID_OPERATION when validating index data that uses a value
  // larger than MAX_ELEMENT_INDEX. Not specified in the GLES 3 spec, it's undefined behaviour,
  // but we want a test to ensure we maintain this behaviour.
  TEST(ValidationESTest, DrawElementsWithMaxIndexGivesError)
  {
      auto framebufferImpl = MakeFramebufferMock();
      auto programImpl     = MakeProgramMock();
  
      // TODO(jmadill): Generalize some of this code so we can re-use it for other tests.
      NiceMock<MockFactory> mockFactory;
      EXPECT_CALL(mockFactory, createFramebuffer(_)).WillOnce(Return(framebufferImpl));
      EXPECT_CALL(mockFactory, createProgram(_)).WillOnce(Return(programImpl));
      EXPECT_CALL(mockFactory, createVertexArray(_)).WillOnce(Return(nullptr));
  
      State state;
      Caps caps;
      TextureCapsMap textureCaps;
      Extensions extensions;
      Limitations limitations;
  
      // Set some basic caps.
      caps.maxElementIndex     = 100;
      caps.maxDrawBuffers      = 1;
      caps.maxColorAttachments = 1;
      state.initialize(caps, extensions, 3, false);
  
      NiceMock<MockTextureImpl> *textureImpl = new NiceMock<MockTextureImpl>();
      EXPECT_CALL(*textureImpl, setStorage(_, _, _, _)).WillOnce(Return(Error(GL_NO_ERROR)));
      EXPECT_CALL(*textureImpl, destructor()).Times(1).RetiresOnSaturation();
  
      Texture *texture = new Texture(textureImpl, 0, GL_TEXTURE_2D);
      texture->addRef();
      texture->setStorage(GL_TEXTURE_2D, 1, GL_RGBA8, Extents(1, 1, 0));
  
      VertexArray *vertexArray = new VertexArray(&mockFactory, 0, 1);
      Framebuffer *framebuffer = new Framebuffer(caps, &mockFactory, 1);
      framebuffer->setAttachment(GL_FRAMEBUFFER_DEFAULT, GL_BACK, ImageIndex::Make2D(0), texture);
  
      Program *program = new Program(&mockFactory, nullptr, 1);
  
      state.setVertexArrayBinding(vertexArray);
      state.setDrawFramebufferBinding(framebuffer);
      state.setProgram(program);
  
      NiceMock<MockValidationContext> testContext(3, state, caps, textureCaps, extensions, nullptr,
                                                  limitations, false);
  
      // Set the expectation for the validation error here.
      Error expectedError(GL_INVALID_OPERATION, g_ExceedsMaxElementErrorMessage);
      EXPECT_CALL(testContext, recordError(expectedError)).Times(1);
  
      // Call once with maximum index, and once with an excessive index.
      GLuint indexData[] = {0, 1, static_cast<GLuint>(caps.maxElementIndex - 1),
                            3, 4, static_cast<GLuint>(caps.maxElementIndex)};
      IndexRange indexRange;
      EXPECT_TRUE(ValidateDrawElements(&testContext, GL_TRIANGLES, 3, GL_UNSIGNED_INT, indexData, 1,
                                       &indexRange));
      EXPECT_FALSE(ValidateDrawElements(&testContext, GL_TRIANGLES, 6, GL_UNSIGNED_INT, indexData, 2,
                                        &indexRange));
  
      texture->release();
  
      state.setVertexArrayBinding(nullptr);
      state.setDrawFramebufferBinding(nullptr);
      state.setProgram(nullptr);
  
      SafeDelete(vertexArray);
      SafeDelete(framebuffer);
      SafeDelete(program);
  }
  
  }  // anonymous namespace
  

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