public void Render(bool moving)
{
if (moving)
{
FrameBlend = MaxAlpha;
}
else
{
FrameBlend *= AlphaDecay;
if (FrameBlend < MinAlpha)
{
FrameBlend = MinAlpha;
}
}
// Render source gbuffer into destination accumulation buffer
currentFrame = 1 - currentFrame; // switch frames
BindDestForWritingTo(currentFrame);
sourcegbuffer.GetTextureAtSlot(0).Bind(TextureUnit.Texture0);
frame[1 - currentFrame].Bind(TextureUnit.Texture1);
this.gbufferCombiner.Render(projection, modelview, (sp) =>
{
sp.SetUniform("inputTex", 0);
sp.SetUniform("lastFrameTex", 1);
sp.SetUniform("frameBlend", this.FrameBlend);
});
UnbindDestFromWriting();
GL.Viewport(0, 0, this.BaseWidth, this.BaseHeight);
// render current frame out
frame[currentFrame].Bind(TextureUnit.Texture0);
this.destinationprogram
.UseProgram()
.SetUniform("inputTex", 0)
.SetUniform("resolution", new Vector2((float)this.BaseWidth, (float)this.BaseHeight))
.SetUniform("invresolution", new Vector2(1.0f / (float)this.BaseWidth, 1.0f / (float)this.BaseHeight));
this.vertexVBO.Bind(this.destinationprogram.VariableLocation("vertex"));
this.indexVBO.Bind();
GL.DrawElements(BeginMode.Triangles, this.indexVBO.Length, DrawElementsType.UnsignedInt, 0);
}
public Texture GetTexture(int slot)
{
return(OutputBuffer.GetTextureAtSlot(slot));
}