public void RefreshUserShader()
{
if (ShaderChain_user != null)
{
ShaderChain_user.Dispose();
}
if (File.Exists(Global.Config.DispUserFilterPath))
{
var fi = new FileInfo(Global.Config.DispUserFilterPath);
using (var stream = fi.OpenRead())
ShaderChain_user = new EmuHawk.Filters.RetroShaderChain(GL, new EmuHawk.Filters.RetroShaderPreset(stream), Path.GetDirectoryName(Global.Config.DispUserFilterPath));
}
}
FilterProgram BuildDefaultChain(Size chain_insize, Size chain_outsize, bool includeOSD)
{
//select user special FX shader chain
Dictionary <string, object> selectedChainProperties = new Dictionary <string, object>();
EmuHawk.Filters.RetroShaderChain selectedChain = null;
if (Global.Config.TargetDisplayFilter == 3 && ShaderChain_user != null && ShaderChain_user.Available)
{
selectedChain = ShaderChain_user;
}
EmuHawk.Filters.FinalPresentation fPresent = new EmuHawk.Filters.FinalPresentation(chain_outsize);
EmuHawk.Filters.SourceImage fInput = new EmuHawk.Filters.SourceImage(chain_insize);
EmuHawk.Filters.OSD fOSD = new EmuHawk.Filters.OSD();
fOSD.RenderCallback = () =>
{
if (!includeOSD)
{
return;
}
var size = fOSD.FindInput().SurfaceFormat.Size;
Renderer.Begin(size.Width, size.Height);
Renderer.SetBlendState(GL.BlendNormal);
Renderer.End();
};
var chain = new FilterProgram();
//add the first filter, encompassing output from the emulator core
chain.AddFilter(fInput, "input");
//if a non-zero padding is required, add a filter to allow for that
//note, we have two sources of padding right now.. one can come from the videoprovider and one from the user.
//we're combining these now and just using black, for sake of being lean, despite the discussion below:
//keep in mind, the videoprovider design in principle might call for another color.
//we havent really been using this very hard, but users will probably want black there (they could fill it to another color if needed tho)
var padding = CalculateCompleteContentPadding(true, true);
if (padding.Vertical != 0 || padding.Horizontal != 0)
{
//TODO - add another filter just for this, its cumbersome to use final presentation... I think. but maybe theres enough similarities to justify it.
Size size = chain_insize;
size.Width += padding.Horizontal;
size.Height += padding.Vertical;
EmuHawk.Filters.FinalPresentation fPadding = new EmuHawk.Filters.FinalPresentation(size);
chain.AddFilter(fPadding, "padding");
fPadding.GuiRenderer = Renderer;
fPadding.GL = GL;
fPadding.Config_PadOnly = true;
fPadding.Padding = padding;
}
if (Global.Config.DispPrescale != 1)
{
EmuHawk.Filters.PrescaleFilter fPrescale = new EmuHawk.Filters.PrescaleFilter()
{
Scale = Global.Config.DispPrescale
};
chain.AddFilter(fPrescale, "user_prescale");
}
//AutoPrescale makes no sense for a None final filter
if (Global.Config.DispAutoPrescale && Global.Config.DispFinalFilter != (int)EmuHawk.Filters.FinalPresentation.eFilterOption.None)
{
var apf = new EmuHawk.Filters.AutoPrescaleFilter();
chain.AddFilter(apf, "auto_prescale");
}
//choose final filter
EmuHawk.Filters.FinalPresentation.eFilterOption finalFilter = EmuHawk.Filters.FinalPresentation.eFilterOption.None;
fPresent.FilterOption = finalFilter;
//add final presentation
chain.AddFilter(fPresent, "presentation");
return(chain);
}
