protected override void OnRenderFrame(FrameEventArgs e)
{
GL.ClearColor(Color4.Red);
GL.Clear(OpenTK.Graphics.ES20.ClearBufferMask.ColorBufferBit);
SwapBuffers();
}
private void End20()
{
// Disable Blending by default = BlendState.Opaque
GL20.Disable(All20.Blend);
// set the blend mode
if (_blendState == BlendState.NonPremultiplied)
{
GL20.BlendFunc(All20.One, All20.OneMinusSrcAlpha);
GL20.Enable(All20.Blend);
GL20.BlendEquation(All20.FuncAdd);
}
if (_blendState == BlendState.AlphaBlend)
{
GL20.BlendFunc(All20.SrcAlpha, All20.OneMinusSrcAlpha);
GL20.Enable(All20.Blend);
GL20.BlendEquation(All20.FuncAdd);
}
if (_blendState == BlendState.Additive)
{
GL20.BlendFunc(All20.SrcAlpha, All20.One);
GL20.Enable(All20.Blend);
GL20.BlendEquation(All20.FuncAdd);
}
//CullMode
GL20.FrontFace(All20.Cw);
GL20.Enable(All20.CullFace);
GL20.Viewport(0, 0, this.graphicsDevice.Viewport.Width, this.graphicsDevice.Viewport.Height); // configura el viewport
GL20.UseProgram(program);
if (GraphicsDevice.defaultFramebuffer)
{
GL20.CullFace(All20.Back);
SetUniformMatrix4(uniformWVP, false, ref matWVPScreen);
}
else
{
GL20.CullFace(All20.Front);
SetUniformMatrix4(uniformWVP, false, ref matWVPFramebuffer);
GL20.ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
GL20.Clear((int)(All20.ColorBufferBit | All20.DepthBufferBit));
}
_batcher.DrawBatch20(_sortMode);
GL20.Disable(All20.Texture2D);
}
public void Clear(Color color)
{
Vector4 vector = color.ToEAGLColor();
if (openGLESVersion == GLContextVersion.Gles2_0)
{
GL20.ClearColor(vector.X, vector.Y, vector.Z, vector.W);
GL20.Clear((uint)All20.ColorBufferBit);
}
else
{
GL11.ClearColor(vector.X, vector.Y, vector.Z, vector.W);
GL11.Clear((uint)All11.ColorBufferBit);
}
}
public void Clear(ClearOptions options, Vector4 color, float depth, int stencil)
{
if (openGLESVersion == GLContextVersion.Gles2_0)
{
GL20.ClearColor(color.X, color.Y, color.Z, color.W);
GL20.ClearDepth(depth);
GL20.ClearStencil(stencil);
GL20.Clear((uint)(All20.ColorBufferBit | All20.DepthBufferBit | All20.StencilBufferBit));
}
else
{
GL11.ClearColor(color.X, color.Y, color.Z, color.W);
GL11.ClearDepth(depth);
GL11.ClearStencil(stencil);
GL11.Clear((uint)(All11.ColorBufferBit | All11.DepthBufferBit | All11.StencilBufferBit));
}
}
