public virtual void Render(object sender, FrameEventArgs e)
{
_glClear.WithClearColor(Color4.MidnightBlue, () =>
_glClear.WithCleared(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit, () =>
_renderer.Render(e)
)
);
_gameWindow.SwapBuffers();
}
/// <summary>
/// Called when it is time to render the next frame. Add your rendering code here.
/// </summary>
/// <param name="sender">the subject of RenderFrame Event </param>
/// <param name="e">Contains timing information.</param>
private void OnRenderFrame(Object sender, FrameEventArgs e)
{
GL.Viewport(0, 0, mainWindow.Width, mainWindow.Height);
Rotate(1.0f, 1.0f);
GL.ClearColor(Color4.CornflowerBlue);
GL.Enable(EnableCap.DepthTest);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.UseProgram(mProgramHandle);
positionLoc = GL.GetAttribLocation(mProgramHandle, "a_position");
texCoordLoc = GL.GetAttribLocation(mProgramHandle, "a_texCoord");
textureLoc = GL.GetUniformLocation(mProgramHandle, "s_texture");
GL.Uniform1(textureLoc, 0);
unsafe
{
fixed(float *pvertices = vertices)
{
// Prepare the vertex coordinate data
GL.VertexAttribPointer(positionLoc, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), new IntPtr(pvertices));
GL.EnableVertexAttribArray(positionLoc);
}
fixed(float *texCoord = textCoord)
{
// Prepare the texture coordinate data
GL.VertexAttribPointer(texCoordLoc, 2, VertexAttribPointerType.Float, false, 2 * sizeof(float), new IntPtr(texCoord));
GL.EnableVertexAttribArray(texCoordLoc);
}
}
mvpLoc = GL.GetUniformLocation(mProgramHandle, "u_mvpMatrix");
// Apply the projection and view transformation
GL.UniformMatrix4(mvpLoc, false, ref mvpMatrix);
GL.DrawArrays(PrimitiveType.Triangles, 0, 36);
GL.Finish();
// Disable vertex array
GL.DisableVertexAttribArray(positionLoc);
mainWindow.SwapBuffers();
}