FilterProgram UpdateSourceInternal(JobInfo job)
{
if (job.chain_outsize.Width == 0 || job.chain_outsize.Height == 0)
{
//this has to be a NOP, because lots of stuff will malfunction on a 0-sized viewport
return(null);
}
//no drawing actually happens. it's important not to begin drawing on a control
if (!job.simulate && !job.offscreen)
{
GLManager.Activate(CR_GraphicsControl);
}
IVideoProvider videoProvider = job.videoProvider;
bool simulate = job.simulate;
Size chain_outsize = job.chain_outsize;
//simulate = true;
int vw = videoProvider.BufferWidth;
int vh = videoProvider.BufferHeight;
if (Global.Config.DispFixAspectRatio)
{
if (Global.Config.DispManagerAR == Config.EDispManagerAR.System)
{
vw = videoProvider.VirtualWidth;
vh = videoProvider.VirtualHeight;
}
if (Global.Config.DispManagerAR == Config.EDispManagerAR.Custom)
{
vw = Global.Config.DispCustomUserARWidth;
vh = Global.Config.DispCustomUserARHeight;
}
if (Global.Config.DispManagerAR == Config.EDispManagerAR.CustomRatio)
{
FixRatio(Global.Config.DispCustomUserARX, Global.Config.DispCustomUserARY, videoProvider.BufferWidth, videoProvider.BufferHeight, out vw, out vh);
}
}
var padding = CalculateCompleteContentPadding(true, false);
vw += padding.Horizontal;
vh += padding.Vertical;
int[] videoBuffer = videoProvider.GetVideoBuffer();
int bufferWidth = videoProvider.BufferWidth;
int bufferHeight = videoProvider.BufferHeight;
bool isGlTextureId = videoBuffer.Length == 1;
BitmapBuffer bb = null;
Texture2d videoTexture = null;
if (!simulate)
{
if (isGlTextureId)
{
//FYI: this is a million years from happening on n64, since it's all geriatric non-FBO code
//is it workable for saturn?
videoTexture = GL.WrapGLTexture2d(new IntPtr(videoBuffer[0]), bufferWidth, bufferHeight);
}
else
{
//wrap the videoprovider data in a BitmapBuffer (no point to refactoring that many IVideoProviders)
bb = new BitmapBuffer(bufferWidth, bufferHeight, videoBuffer);
bb.DiscardAlpha();
//now, acquire the data sent from the videoProvider into a texture
videoTexture = VideoTextureFrugalizer.Get(bb);
//lets not use this. lets define BizwareGL to make clamp by default (TBD: check opengl)
//GL.SetTextureWrapMode(videoTexture, true);
}
}
//record the size of what we received, since lua and stuff is gonna want to draw onto it
currEmuWidth = bufferWidth;
currEmuHeight = bufferHeight;
//build the default filter chain and set it up with services filters will need
Size chain_insize = new Size(bufferWidth, bufferHeight);
var filterProgram = BuildDefaultChain(chain_insize, chain_outsize, job.includeOSD);
filterProgram.GuiRenderer = Renderer;
filterProgram.GL = GL;
//setup the source image filter
EmuHawk.Filters.SourceImage fInput = filterProgram["input"] as EmuHawk.Filters.SourceImage;
fInput.Texture = videoTexture;
//setup the final presentation filter
EmuHawk.Filters.FinalPresentation fPresent = filterProgram["presentation"] as EmuHawk.Filters.FinalPresentation;
fPresent.VirtualTextureSize = new Size(vw, vh);
fPresent.TextureSize = new Size(bufferWidth, bufferHeight);
fPresent.BackgroundColor = videoProvider.BackgroundColor;
fPresent.GuiRenderer = Renderer;
fPresent.Flip = isGlTextureId;
fPresent.Config_FixAspectRatio = Global.Config.DispFixAspectRatio;
fPresent.Config_FixScaleInteger = Global.Config.DispFixScaleInteger;
fPresent.Padding = ClientExtraPadding;
fPresent.AutoPrescale = Global.Config.DispAutoPrescale;
fPresent.GL = GL;
filterProgram.Compile("default", chain_insize, chain_outsize, !job.offscreen);
if (simulate)
{
}
else
{
CurrentFilterProgram = filterProgram;
UpdateSourceDrawingWork(job);
}
//cleanup:
if (bb != null)
{
bb.Dispose();
}
return(filterProgram);
}
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);
}
