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

• Show log

  Commit

• Hash : 1b14d7ce
  Author :
  Date : 2018-03-14T14:40:19
  

  VertexArray: Add perf tests for VAO dirty bits.
  
  This simple perf test already in the source does a great job at this.
  
  Bug: angleproject:2389
  Change-Id: I94ff14e0eab1cb49a8d19725056ad8f7f008ac05
  Reviewed-on: https://chromium-review.googlesource.com/962962
  Reviewed-by: Frank Henigman <fjhenigman@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

Download

• src/tests/perf_tests/DrawCallPerf.cpp

• //
  // Copyright (c) 2014 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.
  //
  // DrawCallPerf:
  //   Performance tests for ANGLE draw call overhead.
  //
  
  #include "ANGLEPerfTest.h"
  #include "DrawCallPerfParams.h"
  #include "test_utils/draw_call_perf_utils.h"
  
  namespace
  {
  
  struct DrawArraysPerfParams : public DrawCallPerfParams
  {
      DrawArraysPerfParams(const DrawCallPerfParams &base) : DrawCallPerfParams(base) {}
  
      std::string suffix() const override;
  
      bool changeVertexBuffer = false;
  };
  
  std::string DrawArraysPerfParams::suffix() const
  {
      std::stringstream strstr;
  
      strstr << DrawCallPerfParams::suffix();
  
      if (changeVertexBuffer)
      {
          strstr << "_vbo_change";
      }
  
      return strstr.str();
  }
  
  std::ostream &operator<<(std::ostream &os, const DrawArraysPerfParams &params)
  {
      os << params.suffix().substr(1);
      return os;
  }
  
  class DrawCallPerfBenchmark : public ANGLERenderTest,
                                public ::testing::WithParamInterface<DrawArraysPerfParams>
  {
    public:
      DrawCallPerfBenchmark();
  
      void initializeBenchmark() override;
      void destroyBenchmark() override;
      void drawBenchmark() override;
  
    private:
      GLuint mProgram = 0;
      GLuint mBuffer1 = 0;
      GLuint mBuffer2 = 0;
      GLuint mFBO     = 0;
      GLuint mTexture = 0;
      int mNumTris    = GetParam().numTris;
  };
  
  DrawCallPerfBenchmark::DrawCallPerfBenchmark() : ANGLERenderTest("DrawCallPerf", GetParam())
  {
      mRunTimeSeconds = GetParam().runTimeSeconds;
  }
  
  void DrawCallPerfBenchmark::initializeBenchmark()
  {
      const auto &params = GetParam();
  
      ASSERT_LT(0u, params.iterations);
  
      mProgram = SetupSimpleDrawProgram();
      ASSERT_NE(0u, mProgram);
  
      glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
  
      mBuffer1 = Create2DTriangleBuffer(mNumTris, GL_STATIC_DRAW);
      mBuffer2 = Create2DTriangleBuffer(mNumTris, GL_STATIC_DRAW);
  
      glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, 0);
      glEnableVertexAttribArray(0);
  
      // Set the viewport
      glViewport(0, 0, getWindow()->getWidth(), getWindow()->getHeight());
  
      if (params.useFBO)
      {
          CreateColorFBO(getWindow()->getWidth(), getWindow()->getHeight(), &mTexture, &mFBO);
      }
  
      ASSERT_GL_NO_ERROR();
  }
  
  void DrawCallPerfBenchmark::destroyBenchmark()
  {
      glDeleteProgram(mProgram);
      glDeleteBuffers(1, &mBuffer1);
      glDeleteBuffers(1, &mBuffer2);
      glDeleteTextures(1, &mTexture);
      glDeleteFramebuffers(1, &mFBO);
  }
  
  void ClearThenDraw(unsigned int iterations, GLsizei numElements)
  {
      glClear(GL_COLOR_BUFFER_BIT);
  
      for (unsigned int it = 0; it < iterations; it++)
      {
          glDrawArrays(GL_TRIANGLES, 0, numElements);
      }
  }
  
  void JustDraw(unsigned int iterations, GLsizei numElements)
  {
      for (unsigned int it = 0; it < iterations; it++)
      {
          glDrawArrays(GL_TRIANGLES, 0, numElements);
      }
  }
  
  void ChangeVerticesThenDraw(unsigned int iterations,
                              GLsizei numElements,
                              GLuint buffer1,
                              GLuint buffer2)
  {
      for (unsigned int it = 0; it < iterations; it++)
      {
          glBindBuffer(GL_ARRAY_BUFFER, buffer1);
          glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, 0);
          glDrawArrays(GL_TRIANGLES, 0, numElements);
  
          glBindBuffer(GL_ARRAY_BUFFER, buffer2);
          glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, 0);
          glDrawArrays(GL_TRIANGLES, 0, numElements);
      }
  }
  
  void DrawCallPerfBenchmark::drawBenchmark()
  {
      // This workaround fixes a huge queue of graphics commands accumulating on the GL
      // back-end. The GL back-end doesn't have a proper NULL device at the moment.
      // TODO(jmadill): Remove this when/if we ever get a proper OpenGL NULL device.
      const auto &eglParams = GetParam().eglParameters;
      const auto &params    = GetParam();
      GLsizei numElements   = static_cast<GLsizei>(3 * mNumTris);
  
      if (params.changeVertexBuffer)
      {
          ChangeVerticesThenDraw(params.iterations, numElements, mBuffer1, mBuffer2);
      }
      else if (eglParams.deviceType != EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE ||
               (eglParams.renderer != EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE &&
                eglParams.renderer != EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE))
      {
          ClearThenDraw(params.iterations, numElements);
      }
      else
      {
          JustDraw(params.iterations, numElements);
      }
  
      ASSERT_GL_NO_ERROR();
  }
  
  TEST_P(DrawCallPerfBenchmark, Run)
  {
      run();
  }
  
  DrawArraysPerfParams DrawArrays(const DrawCallPerfParams &base, bool withBufferChange)
  {
      DrawArraysPerfParams params(base);
      params.changeVertexBuffer = withBufferChange;
      return params;
  }
  
  ANGLE_INSTANTIATE_TEST(DrawCallPerfBenchmark,
                         DrawArrays(DrawCallPerfD3D9Params(false, false), false),
                         DrawArrays(DrawCallPerfD3D9Params(true, false), false),
                         DrawArrays(DrawCallPerfD3D11Params(false, false), false),
                         DrawArrays(DrawCallPerfD3D11Params(true, false), false),
                         DrawArrays(DrawCallPerfD3D11Params(true, true), false),
                         DrawArrays(DrawCallPerfD3D11Params(true, false), true),
                         DrawArrays(DrawCallPerfOpenGLOrGLESParams(false, false), false),
                         DrawArrays(DrawCallPerfOpenGLOrGLESParams(true, false), false),
                         DrawArrays(DrawCallPerfOpenGLOrGLESParams(true, true), false),
                         DrawArrays(DrawCallPerfOpenGLOrGLESParams(true, false), true),
                         DrawArrays(DrawCallPerfValidationOnly(), false),
                         DrawArrays(DrawCallPerfVulkanParams(false), false),
                         DrawArrays(DrawCallPerfVulkanParams(false), true));
  
  } // namespace
  

Download