kc3-lang/angle/src/tests/perf_tests/ClearPerf.cpp

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• Hash : 2f4a7518
  Author :
  Date : 2019-08-16T14:09:13
  

  Refactor perf tests to fix metric/story swapping
  
  Refactors the perf tests to fix the issue of metric and story being
  swapped, which causes issues when trying to convert to histograms.
  
  Specifically, does the following:
  1. Rolls the version of src/tests/perf_tests/third_party/perf/ to
     Chromium 476dae823269c8d05b544271af97ad1adb0db8ee
  2. Switch to using PerfResultReporter instead of PrintResult directly.
  3. Split RenderTestParams::suffix into backend and story; backend is
     used as part of the metric, while story is used as the story.
  4. Remove the "average" metric that was being automatically reported
     by ANGLEPerfTest, as reported results are automatically averaged.
  5. Update the reported metric to more clearly distinguish between
     test, backend, and metric. It is now name_backend.metric. e.g.
     DrawCallPerf_vulkan.wall_time.
  
  Bug: chromium:923564,chromium:924618
  Change-Id: I00cc191407052f23df57dbfa53b6fb088fc26960
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1762360
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  

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• src/tests/perf_tests/ClearPerf.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.
  //
  // ClearPerf:
  //   Performance test for clearing framebuffers.
  //
  
  #include "ANGLEPerfTest.h"
  
  #include <iostream>
  #include <random>
  #include <sstream>
  
  #include "test_utils/gl_raii.h"
  #include "util/shader_utils.h"
  
  using namespace angle;
  
  namespace
  {
  constexpr unsigned int kIterationsPerStep = 256;
  
  struct ClearParams final : public RenderTestParams
  {
      ClearParams()
      {
          iterationsPerStep = kIterationsPerStep;
          trackGpuTime      = true;
  
          fboSize     = 2048;
          textureSize = 16;
      }
  
      std::string story() const override;
  
      GLsizei fboSize;
      GLsizei textureSize;
  };
  
  std::ostream &operator<<(std::ostream &os, const ClearParams &params)
  {
      os << params.backendAndStory().substr(1);
      return os;
  }
  
  std::string ClearParams::story() const
  {
      std::stringstream strstr;
  
      strstr << RenderTestParams::story();
  
      return strstr.str();
  }
  
  class ClearBenchmark : public ANGLERenderTest, public ::testing::WithParamInterface<ClearParams>
  {
    public:
      ClearBenchmark();
  
      void initializeBenchmark() override;
      void destroyBenchmark() override;
      void drawBenchmark() override;
  
    private:
      void initShaders();
  
      std::vector<GLuint> mTextures;
  
      GLuint mProgram;
      GLuint mPositionLoc;
      GLuint mSamplerLoc;
  };
  
  ClearBenchmark::ClearBenchmark()
      : ANGLERenderTest("Clear", GetParam()), mProgram(0u), mPositionLoc(-1), mSamplerLoc(-1)
  {
      // Crashes on nvidia+d3d11. http://crbug.com/945415
      if (GetParam().getRenderer() == EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
      {
          mSkipTest = true;
      }
  }
  
  void ClearBenchmark::initializeBenchmark()
  {
      initShaders();
      glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
      glViewport(0, 0, getWindow()->getWidth(), getWindow()->getHeight());
  
      ASSERT_GL_NO_ERROR();
  }
  
  void ClearBenchmark::initShaders()
  {
      constexpr char kVS[] = R"(attribute vec4 a_position;
  void main()
  {
      gl_Position = a_position;
  })";
  
      constexpr char kFS[] = R"(precision mediump float;
  uniform sampler2D s_texture;
  void main()
  {
      gl_FragColor = texture2D(s_texture, vec2(0, 0));
  })";
  
      mProgram = CompileProgram(kVS, kFS);
      ASSERT_NE(0u, mProgram);
  
      mPositionLoc = glGetAttribLocation(mProgram, "a_position");
      mSamplerLoc  = glGetUniformLocation(mProgram, "s_texture");
      glUseProgram(mProgram);
  
      glDisable(GL_DEPTH_TEST);
  
      ASSERT_GL_NO_ERROR();
  }
  
  void ClearBenchmark::destroyBenchmark()
  {
      glDeleteProgram(mProgram);
  }
  
  void ClearBenchmark::drawBenchmark()
  {
      const auto &params = GetParam();
  
      std::vector<float> textureData(params.textureSize * params.textureSize * 4, 0.5);
  
      GLTexture tex;
  
      glActiveTexture(GL_TEXTURE0);
      glBindTexture(GL_TEXTURE_2D, tex);
  
      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, params.textureSize, params.textureSize, 0, GL_RGBA,
                   GL_UNSIGNED_BYTE, textureData.data());
  
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
  
      glUniform1i(mSamplerLoc, 0);
  
      GLRenderbuffer colorRbo;
      glBindRenderbuffer(GL_RENDERBUFFER, colorRbo);
      glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, params.fboSize, params.fboSize);
  
      GLRenderbuffer depthRbo;
      glBindRenderbuffer(GL_RENDERBUFFER, depthRbo);
      glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, params.fboSize, params.fboSize);
  
      GLFramebuffer fbo;
      glBindFramebuffer(GL_FRAMEBUFFER, fbo);
      glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, colorRbo);
      glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthRbo);
  
      startGpuTimer();
      for (size_t it = 0; it < params.iterationsPerStep; ++it)
      {
          glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
          glDrawArrays(GL_TRIANGLES, 0, 3);
      }
      stopGpuTimer();
  
      ASSERT_GL_NO_ERROR();
  }
  
  ClearParams D3D11Params()
  {
      ClearParams params;
      params.eglParameters = egl_platform::D3D11();
      return params;
  }
  
  ClearParams OpenGLOrGLESParams()
  {
      ClearParams params;
      params.eglParameters = egl_platform::OPENGL_OR_GLES();
      return params;
  }
  
  ClearParams VulkanParams()
  {
      ClearParams params;
      params.eglParameters = egl_platform::VULKAN();
      return params;
  }
  
  }  // anonymous namespace
  
  TEST_P(ClearBenchmark, Run)
  {
      run();
  }
  
  ANGLE_INSTANTIATE_TEST(ClearBenchmark, D3D11Params(), OpenGLOrGLESParams(), VulkanParams());
  

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