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

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• Hash : 05ba83a0
  Author :
  Date : 2019-06-13T13:26:58
  

  Refactor DrawCallPerfParams.
  
  Makes it a bit easier to work with. In prep for adding offscreen
  configs.
  
  Bug: angleproject:3117
  Change-Id: Ie2497574b2687592b7b3df2f7b933a19e83b6d16
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1650784
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
  

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• src/tests/perf_tests/TextureUploadPerf.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.
  //
  // TextureUploadBenchmark:
  //   Performance test for uploading texture data.
  //
  
  #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 = 64;
  
  struct TextureUploadParams final : public RenderTestParams
  {
      TextureUploadParams()
      {
          iterationsPerStep = kIterationsPerStep;
          trackGpuTime      = true;
  
          baseSize     = 1024;
          subImageSize = 64;
  
          webgl = false;
      }
  
      std::string suffix() const override;
  
      GLsizei baseSize;
      GLsizei subImageSize;
  
      bool webgl;
  };
  
  std::ostream &operator<<(std::ostream &os, const TextureUploadParams &params)
  {
      os << params.suffix().substr(1);
      return os;
  }
  
  std::string TextureUploadParams::suffix() const
  {
      std::stringstream strstr;
  
      strstr << RenderTestParams::suffix();
  
      if (webgl)
      {
          strstr << "_webgl";
      }
  
      return strstr.str();
  }
  
  class TextureUploadBenchmarkBase : public ANGLERenderTest,
                                     public ::testing::WithParamInterface<TextureUploadParams>
  {
    public:
      TextureUploadBenchmarkBase(const char *benchmarkName);
  
      void initializeBenchmark() override;
      void destroyBenchmark() override;
  
    protected:
      void initShaders();
  
      GLuint mProgram;
      GLuint mPositionLoc;
      GLuint mSamplerLoc;
  };
  
  class TextureUploadSubImageBenchmark : public TextureUploadBenchmarkBase
  {
    public:
      TextureUploadSubImageBenchmark() : TextureUploadBenchmarkBase("TexSubImage")
      {
          addExtensionPrerequisite("GL_EXT_texture_storage");
      }
  
      void drawBenchmark() override;
  };
  
  class TextureUploadFullMipBenchmark : public TextureUploadBenchmarkBase
  {
    public:
      TextureUploadFullMipBenchmark() : TextureUploadBenchmarkBase("TextureUpload") {}
  
      void drawBenchmark() override;
  };
  
  TextureUploadBenchmarkBase::TextureUploadBenchmarkBase(const char *benchmarkName)
      : ANGLERenderTest(benchmarkName, GetParam()), mProgram(0u), mPositionLoc(-1), mSamplerLoc(-1)
  {
      setWebGLCompatibilityEnabled(GetParam().webgl);
      setRobustResourceInit(GetParam().webgl);
  
      // Crashes on nvidia+d3d11. http://crbug.com/945415
      if (GetParam().getRenderer() == EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
      {
          mSkipTest = true;
      }
  }
  
  void TextureUploadBenchmarkBase::initializeBenchmark()
  {
      const auto &params = GetParam();
  
      initShaders();
      glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
      glViewport(0, 0, getWindow()->getWidth(), getWindow()->getHeight());
  
      if (params.webgl)
      {
          glRequestExtensionANGLE("GL_EXT_disjoint_timer_query");
      }
  
      ASSERT_GL_NO_ERROR();
  }
  
  void TextureUploadBenchmarkBase::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 TextureUploadBenchmarkBase::destroyBenchmark()
  {
      glDeleteProgram(mProgram);
  }
  
  void TextureUploadSubImageBenchmark::drawBenchmark()
  {
      const auto &params = GetParam();
  
      std::vector<float> textureData(params.subImageSize * params.subImageSize * 4, 0.5);
  
      GLTexture tex;
  
      glActiveTexture(GL_TEXTURE0);
      glBindTexture(GL_TEXTURE_2D, tex);
      glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8, params.baseSize, params.baseSize);
  
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
  
      glUniform1i(mSamplerLoc, 0);
  
      ASSERT_GL_NO_ERROR();
  
      startGpuTimer();
      for (unsigned int iteration = 0; iteration < params.iterationsPerStep; ++iteration)
      {
          glTexSubImage2D(GL_TEXTURE_2D, 0, rand() % (params.baseSize - params.subImageSize),
                          rand() % (params.baseSize - params.subImageSize), params.subImageSize,
                          params.subImageSize, GL_RGBA, GL_UNSIGNED_BYTE, textureData.data());
  
          // Perform a draw just so the texture data is flushed.  With the position attributes not
          // set, a constant default value is used, resulting in a very cheap draw.
          glDrawArrays(GL_TRIANGLES, 0, 3);
      }
      stopGpuTimer();
  
      ASSERT_GL_NO_ERROR();
  }
  
  void TextureUploadFullMipBenchmark::drawBenchmark()
  {
      const auto &params = GetParam();
  
      std::vector<float> textureData(params.baseSize * params.baseSize * 4, 0.5);
  
      startGpuTimer();
      for (size_t it = 0; it < params.iterationsPerStep; ++it)
      {
          GLTexture tex;
  
          glActiveTexture(GL_TEXTURE0);
          glBindTexture(GL_TEXTURE_2D, tex);
  
          // Stage data for all mips
          GLint mip = 0;
          for (GLsizei levelSize = params.baseSize; levelSize > 0; levelSize >>= 1)
          {
              glTexImage2D(GL_TEXTURE_2D, mip++, GL_RGBA, levelSize, levelSize, 0, GL_RGBA,
                           GL_UNSIGNED_BYTE, textureData.data());
          }
  
          glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
          glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
          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);
  
          // Perform a draw just so the texture data is flushed.  With the position attributes not
          // set, a constant default value is used, resulting in a very cheap draw.
          glDrawArrays(GL_TRIANGLES, 0, 3);
      }
      stopGpuTimer();
  
      ASSERT_GL_NO_ERROR();
  }
  
  TextureUploadParams D3D11Params(bool webglCompat)
  {
      TextureUploadParams params;
      params.eglParameters = egl_platform::D3D11();
      params.webgl         = webglCompat;
      return params;
  }
  
  TextureUploadParams OpenGLOrGLESParams(bool webglCompat)
  {
      TextureUploadParams params;
      params.eglParameters = egl_platform::OPENGL_OR_GLES();
      params.webgl         = webglCompat;
      return params;
  }
  
  TextureUploadParams VulkanParams(bool webglCompat)
  {
      TextureUploadParams params;
      params.eglParameters = egl_platform::VULKAN();
      params.webgl         = webglCompat;
      return params;
  }
  
  }  // anonymous namespace
  
  TEST_P(TextureUploadSubImageBenchmark, Run)
  {
      run();
  }
  
  TEST_P(TextureUploadFullMipBenchmark, Run)
  {
      run();
  }
  
  ANGLE_INSTANTIATE_TEST(TextureUploadSubImageBenchmark,
                         D3D11Params(false),
                         D3D11Params(true),
                         OpenGLOrGLESParams(false),
                         OpenGLOrGLESParams(true),
                         VulkanParams(false),
                         VulkanParams(true));
  
  ANGLE_INSTANTIATE_TEST(TextureUploadFullMipBenchmark,
                         D3D11Params(false),
                         D3D11Params(true),
                         OpenGLOrGLESParams(false),
                         OpenGLOrGLESParams(true),
                         VulkanParams(false),
                         VulkanParams(true));
  

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