/// <summary>
/// Constructor to create a new FrameBuffer instance.
/// </summary>
/// <param name="tex">Texture the frame buffer will write to</param>
public FrameBuffer(Texture tex)
{
Texture = tex;
// Prepare the target texture for use
Texture.Bind();
// Assign the texture to the frame buffer
GL.BindFramebuffer(FramebufferTarget.Framebuffer, FboID);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, tex.TextureTarget, tex.TextureID, 0);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
// Tools.ErrorCheck("fbo_init");
}
/// <summary>
/// Prepares the texture for usage.
/// </summary>
public void Bind()
{
// If this texture isn't already bound, bind it
if (_sCurrentLoadedTexture != this) {
GL.BindTexture(TextureTarget, TextureID);
_sCurrentLoadedTexture = this;
}
// Tools.ErrorCheck("bindtexture");
// If the texture has changed since the last time it was bound,
// upload the new data to video memory
if (!_loaded) {
Load();
_loaded = true;
}
}
public void SetCurrentTexture(Texture texture)
{
CurrentTexture = texture;
GL.ActiveTexture(TextureUnit);
CurrentTexture.Bind();
}
public void SetTextures(Texture heightmap, Texture velocitymap, Texture spraymap)
{
HeightMap = heightmap;
VelocityMap = velocitymap;
SprayMap = spraymap;
}
public void SetTexture(String identifier, Texture texture)
{
if (_started && _immediate) {
GL.End();
// Tools.ErrorCheck("end");
}
_textures[identifier].SetCurrentTexture(texture);
// Tools.ErrorCheck("settexture");
if (_started && _immediate)
GL.Begin(BeginMode);
}