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

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• Hash : 2d676313
  Author :
  Date : 2017-01-04T10:44:36
  

  Refactor common functionality out of draw call perf tests
  
  Common functionality across some perf tests is moved to a separate
  utility file, draw_call_perf_utils.
  
  This will make it simpler to add more perf tests, such as tests for
  multiview drawing.
  
  BUG=angleproject:1669
  TEST=angle_perftests
  
  Change-Id: I2108d7425f7d8f43f333ea9daa6779e42862350b
  Reviewed-on: https://chromium-review.googlesource.com/422332
  Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• 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
  {
  
  class DrawCallPerfBenchmark : public ANGLERenderTest,
                                public ::testing::WithParamInterface<DrawCallPerfParams>
  {
    public:
      DrawCallPerfBenchmark();
  
      void initializeBenchmark() override;
      void destroyBenchmark() override;
      void drawBenchmark() override;
  
    private:
      GLuint mProgram = 0;
      GLuint mBuffer  = 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 = SetupSimpleScaleAndOffsetProgram();
      ASSERT_NE(0u, mProgram);
  
      glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
  
      mBuffer = 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, &mBuffer);
      glDeleteTextures(1, &mTexture);
      glDeleteFramebuffers(1, &mFBO);
  }
  
  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;
      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))
      {
          glClear(GL_COLOR_BUFFER_BIT);
      }
  
      const auto &params = GetParam();
  
      for (unsigned int it = 0; it < params.iterations; it++)
      {
          glDrawArrays(GL_TRIANGLES, 0, static_cast<GLsizei>(3 * mNumTris));
      }
  
      ASSERT_GL_NO_ERROR();
  }
  
  TEST_P(DrawCallPerfBenchmark, Run)
  {
      run();
  }
  
  ANGLE_INSTANTIATE_TEST(DrawCallPerfBenchmark,
                         DrawCallPerfD3D9Params(false, false),
                         DrawCallPerfD3D9Params(true, false),
                         DrawCallPerfD3D11Params(false, false),
                         DrawCallPerfD3D11Params(true, false),
                         DrawCallPerfD3D11Params(true, true),
                         DrawCallPerfOpenGLParams(false, false),
                         DrawCallPerfOpenGLParams(true, false),
                         DrawCallPerfOpenGLParams(true, true),
                         DrawCallPerfValidationOnly());
  
  } // namespace
  

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