public void InitTextures()
{
//Used for dynamic lights. Ie spot, point, lights
//Dynamic lights are setup using the g buffer pass (normals) and depth information before material pass is drawn
//Additional slices may be used for bloom intensity
LightPrepassTexture = GLTexture2DArray.CreateUncompressedTexture(4, 4, 1, 1,
PixelInternalFormat.Rgba16f, PixelFormat.Rgba, PixelType.Float);
LightPrepassTexture.Bind();
LightPrepassTexture.MagFilter = TextureMagFilter.Linear;
LightPrepassTexture.MinFilter = TextureMinFilter.Linear;
LightPrepassTexture.UpdateParameters();
LightPrepassTexture.Unbind();
//Shadows
//Channel usage:
//Red - Dynamic shadows
//Green - Static shadows (course, for casting onto objects)
//Blue - Soft shading (under kart, dynamic AO?)
//Alpha - Usually gray
ShadowPrepassTexture = GLTexture2D.CreateWhiteTexture(4, 4);
foreach (var lmap in Resources.LightMapFiles.Values)
{
lmap.Setup();
}
}
public void UpdateLightPrepass(GLContext control, GLTexture gbuffer, GLTexture linearDepth)
{
if (LightPrepassTexture == null)
{
LightPrepassTexture = GLTexture2DArray.CreateUncompressedTexture(control.Width, control.Height, 1, 1,
PixelInternalFormat.R11fG11fB10f, PixelFormat.Rgb, PixelType.UnsignedInt10F11F11FRev);
LightPrepassTexture.Bind();
LightPrepassTexture.MagFilter = TextureMagFilter.Linear;
LightPrepassTexture.MinFilter = TextureMinFilter.Linear;
LightPrepassTexture.UpdateParameters();
LightPrepassTexture.Unbind();
}
LightPrepassManager.CreateLightPrepassTexture(control, gbuffer, linearDepth, LightPrepassTexture);
}