kc3-lang/angle/tests/angle_tests/ProgramBinaryTest.cpp

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• Author : Jamie Madill
  Date : 2014-08-26 13:16:39
  Hash : 5599c8f6
  Message : Use shared compile helpers in the ANGLE tests. BUG=angle:730 Change-Id: Ib3bd646c73355449105e6cf79bdcf0a14b391fd2 Reviewed-on: https://chromium-review.googlesource.com/213550 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>

• tests/angle_tests/ProgramBinaryTest.cpp

• #include "ANGLETest.h"
  
  class ProgramBinaryTest : public ANGLETest
  {
  protected:
      ProgramBinaryTest()
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
      }
  
      virtual void SetUp()
      {
          ANGLETest::SetUp();
  
          const std::string vertexShaderSource = SHADER_SOURCE
          (
              attribute vec4 inputAttribute;
              void main()
              {
                  gl_Position = inputAttribute;
              }
          );
  
          const std::string fragmentShaderSource = SHADER_SOURCE
          (
              void main()
              {
                  gl_FragColor = vec4(1,0,0,1);
              }
          );
  
          mProgram = CompileProgram(vertexShaderSource, fragmentShaderSource);
          if (mProgram == 0)
          {
              FAIL() << "shader compilation failed.";
          }
  
          glGenBuffers(1, &mBuffer);
          glBindBuffer(GL_ARRAY_BUFFER, mBuffer);
          glBufferData(GL_ARRAY_BUFFER, 128, NULL, GL_STATIC_DRAW);
          glBindBuffer(GL_ARRAY_BUFFER, 0);
  
          ASSERT_GL_NO_ERROR();
      }
  
      virtual void TearDown()
      {
          glDeleteProgram(mProgram);
          glDeleteBuffers(1, &mBuffer);
  
          ANGLETest::TearDown();
      }
  
      GLuint mProgram;
      GLuint mBuffer;
  };
  
  // This tests the assumption that float attribs of different size
  // should not internally cause a vertex shader recompile (for conversion).
  TEST_F(ProgramBinaryTest, FloatDynamicShaderSize)
  {
      glUseProgram(mProgram);
      glBindBuffer(GL_ARRAY_BUFFER, mBuffer);
  
      glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 8, NULL);
      glEnableVertexAttribArray(0);
      glDrawArrays(GL_POINTS, 0, 1);
  
      GLint programLength;
      glGetProgramiv(mProgram, GL_PROGRAM_BINARY_LENGTH_OES, &programLength);
  
      EXPECT_GL_NO_ERROR();
  
      for (GLsizei size = 1; size <= 3; size++)
      {
          glVertexAttribPointer(0, size, GL_FLOAT, GL_FALSE, 8, NULL);
          glEnableVertexAttribArray(0);
          glDrawArrays(GL_POINTS, 0, 1);
  
          GLint newProgramLength;
          glGetProgramiv(mProgram, GL_PROGRAM_BINARY_LENGTH_OES, &newProgramLength);
          EXPECT_GL_NO_ERROR();
          EXPECT_EQ(programLength, newProgramLength);
      }
  }