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glUseProgram(ShaderIds[0]);
ExitOnGLError("ERROR: Could not use the shader program");

glUniformMatrix4fv(ModelMatrixUniformLocation, 1, GL_FALSE, ModelMatrix.m);
glUniformMatrix4fv(ViewMatrixUniformLocation, 1, GL_FALSE, ViewMatrix.m);
ExitOnGLError("ERROR: Could not set the shader uniforms");

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ModelMatrix = IDENTITY_MATRIX;
RotateAboutY(&ModelMatrix, CubeAngle);
RotateAboutX(&ModelMatrix, CubeAngle);

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float CubeAngle;
clock_t Now = clock();
if (LastTime == 0)
  LastTime = Now;

CubeRotation += 45.0f * ((float)(Now - LastTime) / CLOCKS_PER_SEC);
CubeAngle = DegreesToRadians(CubeRotation);
LastTime = Now;

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void DrawCube(void)
{
}

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void DestroyCube(void)
{
  glDetachShader(ShaderIds[0], ShaderIds[1]);
  glDetachShader(ShaderIds[0], ShaderIds[2]);
  glDeleteShader(ShaderIds[1]);
  glDeleteShader(ShaderIds[2]);
  glDeleteProgram(ShaderIds[0]);
  ExitOnGLError("ERROR: Could not destroy the shaders");

  glDeleteBuffers(2, &BufferIds[1]);

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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, BufferIds[2]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(INDICES), INDICES, GL_STATIC_DRAW);
ExitOnGLError("ERROR: Could not bind the IBO to the VAO");

glBindVertexArray(0);

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glBindBuffer(GL_ARRAY_BUFFER, BufferIds[1]);
glBufferData(GL_ARRAY_BUFFER, sizeof(VERTICES), VERTICES, GL_STATIC_DRAW);
ExitOnGLError("ERROR: Could not bind the VBO to the VAO");

glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, sizeof(VERTICES[0]), (GLvoid*)0);
glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, sizeof(VERTICES[0]), (GLvoid*)sizeof(VERTICES[0].Position));
ExitOnGLError("ERROR: Could not set VAO attributes");

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glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
ExitOnGLError("ERROR: Could not enable vertex attributes");

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glGenVertexArrays(1, &BufferIds[0]);
ExitOnGLError("ERROR: Could not generate the VAO");
glBindVertexArray(BufferIds[0]);
ExitOnGLError("ERROR: Could not bind the VAO");

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ModelMatrixUniformLocation = glGetUniformLocation(ShaderIds[0], "ModelMatrix");
ViewMatrixUniformLocation = glGetUniformLocation(ShaderIds[0], "ViewMatrix");
ProjectionMatrixUniformLocation = glGetUniformLocation(ShaderIds[0], "ProjectionMatrix");
ExitOnGLError("ERROR: Could not get the shader uniform locations");