public void Render(AntiAliasingQuality quality, RenderTarget input, RenderTarget output)
{
if (EdgeParams[0] == null)
{
for (var i = 0; i < 4; i++)
{
EdgeParams[i] = new EdgeShaderParams();
BlendParams[i] = new BlendShaderParams();
NeighborhoodParams[i] = new NeighborhoodShaderParams();
EdgeShader[i].GetUniformLocations(EdgeParams[i]);
BlendShader[i].GetUniformLocations(BlendParams[i]);
NeighborhoodShader[i].GetUniformLocations(NeighborhoodParams[i]);
}
}
var index = (int)quality;
// Edge
Backend.BeginPass(EdgeRenderTarget, new Vector4(0.0f, 0.0f, 0.0f, 0.0f));
Backend.BeginInstance(EdgeShader[index].Handle, new int[] { input.Textures[0].Handle },
samplers: new int[] { LinearClampSampler });
Backend.BindShaderVariable(EdgeParams[index].SamplerScene, 0);
Backend.DrawMesh(QuadMesh.MeshHandle);
Backend.EndPass();
// Blend
Backend.BeginPass(BlendRenderTarget, new Vector4(0.0f, 0.0f, 0.0f, 0.0f));
Backend.BeginInstance(BlendShader[index].Handle, new int[] { EdgeRenderTarget.Textures[0].Handle, AreaTexture.Handle, SearchTexture.Handle },
samplers: new int[] { LinearClampSampler, LinearClampSampler, NearClampSampler });
Backend.BindShaderVariable(BlendParams[index].SamplerEdge, 0);
Backend.BindShaderVariable(BlendParams[index].SamplerArea, 1);
Backend.BindShaderVariable(BlendParams[index].SamplerSearch, 2);
Backend.DrawMesh(QuadMesh.MeshHandle);
Backend.EndPass();
// Neighborhood
Backend.BeginPass(output, new Vector4(0.0f, 0.0f, 0.0f, 0.0f));
Backend.BeginInstance(NeighborhoodShader[index].Handle, new int[] { input.Textures[0].Handle, BlendRenderTarget.Textures[0].Handle },
samplers: new int[] { LinearClampSampler, LinearClampSampler });
Backend.BindShaderVariable(NeighborhoodParams[index].SamplerScene, 0);
Backend.BindShaderVariable(NeighborhoodParams[index].SamplerBlend, 1);
Backend.DrawMesh(QuadMesh.MeshHandle);
Backend.EndPass();
}
private SMAA.QualityPreset GetMsaaPreset(AntiAliasingQuality quality)
{
switch (quality)
{
case AntiAliasingQuality.Low:
return(SMAA.QualityPreset.Low);
case AntiAliasingQuality.Medium:
return(SMAA.QualityPreset.Medium);
case AntiAliasingQuality.High:
return(SMAA.QualityPreset.High);
case AntiAliasingQuality.Ultra:
return(SMAA.QualityPreset.Ultra);
default:
throw new ArgumentOutOfRangeException("quality", quality, null);
}
}
private FXAA.Preset GetFxaaPreset(AntiAliasingQuality quality)
{
switch (quality)
{
case AntiAliasingQuality.Low:
return(FXAA.Preset.performancePreset);
case AntiAliasingQuality.Medium:
return(FXAA.Preset.defaultPreset);
case AntiAliasingQuality.High:
return(FXAA.Preset.qualityPreset);
case AntiAliasingQuality.Ultra:
return(FXAA.Preset.extremeQualityPreset);
default:
throw new ArgumentOutOfRangeException("quality", quality, null);
}
}