kc3-lang/angle/src/tests/end2end_tests/SimpleOperationTest.cpp

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• Author : Geoff Lang
  Date : 2015-03-31 15:42:55
  Hash : eb629169
  Message : Enable the OpenGL renderer in some basic end2end tests. Change-Id: I5c224fe779aed90332d14e463abedf8926516156 Reviewed-on: https://chromium-review.googlesource.com/263337 Tested-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/tests/end2end_tests/SimpleOperationTest.cpp

• #include "ANGLETest.h"
  
  #include <vector>
  
  // Use this to select which configurations (e.g. which renderer, which GLES major version) these tests should be run against.
  ANGLE_TYPED_TEST_CASE(SimpleOperationTest, ES2_D3D9, ES2_D3D11, ES3_D3D11, ES2_OPENGL, ES3_OPENGL);
  
  template<typename T>
  class SimpleOperationTest : public ANGLETest
  {
    protected:
      SimpleOperationTest() : ANGLETest(T::GetGlesMajorVersion(), T::GetPlatform())
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
      }
  };
  
  TYPED_TEST(SimpleOperationTest, CompileVertexShader)
  {
      const std::string source = SHADER_SOURCE
      (
          attribute vec4 a_input;
          void main()
          {
              gl_Position = a_input;
          }
      );
  
      GLuint shader = CompileShader(GL_VERTEX_SHADER, source);
      EXPECT_NE(shader, 0u);
      glDeleteShader(shader);
  
      EXPECT_GL_NO_ERROR();
  }
  
  TYPED_TEST(SimpleOperationTest, CompileFragmentShader)
  {
      const std::string source = SHADER_SOURCE
      (
          precision mediump float;
          varying vec4 v_input;
          void main()
          {
              gl_FragColor = v_input;
          }
      );
  
      GLuint shader = CompileShader(GL_FRAGMENT_SHADER, source);
      EXPECT_NE(shader, 0u);
      glDeleteShader(shader);
  
      EXPECT_GL_NO_ERROR();
  }
  
  TYPED_TEST(SimpleOperationTest, LinkProgram)
  {
      const std::string vsSource = SHADER_SOURCE
      (
          void main()
          {
              gl_Position = vec4(1.0, 1.0, 1.0, 1.0);
          }
      );
  
      const std::string fsSource = SHADER_SOURCE
      (
          void main()
          {
              gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
          }
      );
  
      GLuint program = CompileProgram(vsSource, fsSource);
      EXPECT_NE(program, 0u);
      glDeleteProgram(program);
  
      EXPECT_GL_NO_ERROR();
  }
  
  TYPED_TEST(SimpleOperationTest, LinkProgramWithUniforms)
  {
      const std::string vsSource = SHADER_SOURCE
      (
          void main()
          {
              gl_Position = vec4(1.0, 1.0, 1.0, 1.0);
          }
      );
  
      const std::string fsSource = SHADER_SOURCE
      (
          precision mediump float;
          uniform vec4 u_input;
          void main()
          {
              gl_FragColor = u_input;
          }
      );
  
      GLuint program = CompileProgram(vsSource, fsSource);
      EXPECT_NE(program, 0u);
  
      GLint uniformLoc = glGetUniformLocation(program, "u_input");
      EXPECT_NE(-1, uniformLoc);
  
      glDeleteProgram(program);
  
      EXPECT_GL_NO_ERROR();
  }
  
  TYPED_TEST(SimpleOperationTest, LinkProgramWithAttributes)
  {
      const std::string vsSource = SHADER_SOURCE
      (
          attribute vec4 a_input;
          void main()
          {
              gl_Position = a_input;
          }
      );
  
      const std::string fsSource = SHADER_SOURCE
      (
          void main()
          {
              gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
          }
      );
  
      GLuint program = CompileProgram(vsSource, fsSource);
      EXPECT_NE(program, 0u);
  
      GLint attribLoc = glGetAttribLocation(program, "a_input");
      EXPECT_NE(-1, attribLoc);
  
      glDeleteProgram(program);
  
      EXPECT_GL_NO_ERROR();
  }
  
  TYPED_TEST(SimpleOperationTest, BufferDataWithData)
  {
      GLuint buffer;
      glGenBuffers(1, &buffer);
      glBindBuffer(GL_ARRAY_BUFFER, buffer);
  
      std::vector<uint8_t> data(1024);
      glBufferData(GL_ARRAY_BUFFER, data.size(), &data[0], GL_STATIC_DRAW);
  
      glDeleteBuffers(1, &buffer);
  
      EXPECT_GL_NO_ERROR();
  }
  
  TYPED_TEST(SimpleOperationTest, BufferDataWithNoData)
  {
      GLuint buffer;
      glGenBuffers(1, &buffer);
      glBindBuffer(GL_ARRAY_BUFFER, buffer);
      glBufferData(GL_ARRAY_BUFFER, 1024, nullptr, GL_STATIC_DRAW);
      glDeleteBuffers(1, &buffer);
  
      EXPECT_GL_NO_ERROR();
  }
  
  TYPED_TEST(SimpleOperationTest, BufferSubData)
  {
      GLuint buffer;
      glGenBuffers(1, &buffer);
      glBindBuffer(GL_ARRAY_BUFFER, buffer);
  
      const size_t bufferSize = 1024;
      glBufferData(GL_ARRAY_BUFFER, bufferSize, nullptr, GL_STATIC_DRAW);
  
      const size_t subDataCount = 16;
      std::vector<uint8_t> data(bufferSize / subDataCount);
      for (size_t i = 0; i < subDataCount; i++)
      {
          glBufferSubData(GL_ARRAY_BUFFER, data.size() * i, data.size(), &data[0]);
      }
  
      glDeleteBuffers(1, &buffer);
  
      EXPECT_GL_NO_ERROR();
  }