/// <summary>
///
/// </summary>
/// <param name="renderer"></param>
/// <param name="writeBuffer"></param>
/// <param name="readBuffer"></param>
/// <param name="delta"></param>
public void Render(WebGLRenderer renderer, WebGLRenderTarget writeBuffer, WebGLRenderTarget readBuffer, float delta)
{
if (null != this.Uniforms[this.TextureId])
{
this.Uniforms[this.TextureId]["value"] = readBuffer;
}
this.quad.Material = this.Material;
if (this.RenderToScreen)
{
renderer.Render(this.scene, this.camera);
}
else
{
renderer.Render(this.scene, this.camera, writeBuffer, this.Clear);
}
}
/// <summary>
///
/// </summary>
/// <param name="renderer"></param>
/// <param name="writeBuffer"></param>
/// <param name="readBuffer"></param>
/// <param name="delta"></param>
public void Render(WebGLRenderer renderer, WebGLRenderTarget writeBuffer, WebGLRenderTarget readBuffer, float delta)
{
// don't update color or depth
GL.ColorMask(false, false, false, false);
GL.DepthMask(false);
// set up stencil
int writeValue; int clearValue;
if (this.Inverse)
{
writeValue = 0;
clearValue = 1;
}
else
{
writeValue = 1;
clearValue = 0;
}
GL.Enable(EnableCap.StencilTest);
GL.StencilOp(StencilOp.Replace, StencilOp.Replace, StencilOp.Replace);
GL.StencilFunc(StencilFunction.Always, writeValue, 0xffffffff);
GL.ClearStencil(clearValue);
// draw into the stencil buffer
renderer.Render(this.scene, this.camera, readBuffer, this.Clear);
renderer.Render(this.scene, this.camera, writeBuffer, this.Clear);
// re-enable update of color and depth
GL.ColorMask(true, true, true, true);
GL.DepthMask(true);
// only render where stencil is set to 1
GL.StencilFunc(StencilFunction.Equal, 1, 0xffffffff); // draw if == 1
GL.StencilOp(StencilOp.Keep, StencilOp.Keep, StencilOp.Keep);
}
/// <summary>
///
/// </summary>
/// <param name="renderer"></param>
/// <param name="writeBuffer"></param>
/// <param name="readBuffer"></param>
/// <param name="delta"></param>
public void Render(WebGLRenderer renderer, WebGLRenderTarget writeBuffer, WebGLRenderTarget readBuffer, float delta)
{
this.Scene.OverrideMaterial = this.OverrideMaterial;
if (null != this.ClearColor)
{
this.OldClearColor = renderer.ClearColor;
this.OldClearAlpha = renderer.ClearAlpha;
renderer.SetClearColor(this.ClearColor.Value, this.ClearAlpha);
}
renderer.Render(this.Scene, this.Camera, readBuffer, this.Clear);
if (null != this.ClearColor)
{
renderer.SetClearColor(this.OldClearColor, this.OldClearAlpha);
}
this.Scene.OverrideMaterial = null;
}