private Effect GetOrCreatePickingSpriteEffect()
{
if (pickingSpriteEffect == null)
{
pickingSpriteEffect = EffectSystem.LoadEffect("SpritePicking").WaitForResult();
}
return(pickingSpriteEffect);
}
private Effect GetOrCreateSelectedSpriteEffect(ref Effect effect, bool isSRgb)
{
if (effect == null)
{
var compilerParameters = new CompilerParameters {
[SpriteBaseKeys.ColorIsSRgb] = isSRgb
};
effect = EffectSystem.LoadEffect("SelectedSprite", compilerParameters).WaitForResult();
}
return(effect);
}
protected override void ChooseEffect(GraphicsDevice graphicsDevice)
{
// TODO: Free previous descriptor sets and layouts?
// Looks like the effect changed, it needs a recompilation
var compilerParameters = new CompilerParameters();
foreach (var effectParameterKey in Parameters.ParameterKeyInfos)
{
if (effectParameterKey.Key.Type == ParameterKeyType.Permutation)
{
// TODO GRAPHICS REFACTOR avoid direct access, esp. since permutation values might be separated from Objects at some point
compilerParameters.SetObject(effectParameterKey.Key, Parameters.ObjectValues[effectParameterKey.BindingSlot]);
}
}
effect = effectSystem.LoadEffect(effectName, compilerParameters).WaitForResult();
}
private void CreateEffect(DynamicEffectInstance effectInstance, ParameterCollection passParameters)
{
var compilerParameters = BuildCompilerParameters(effectInstance, passParameters);
// Compile shader
// possible exception in LoadEffect
TaskOrResult <Effect> effect;
ParameterCollection usedParameters;
try
{
effect = EffectSystem.LoadEffect(EffectName, compilerParameters, out usedParameters);
}
catch (Exception)
{
SwitchFallbackEffect(FallbackEffectType.Error, effectInstance, passParameters, compilerParameters);
return;
}
// Do we have an async compilation?
if (asyncEffectCompiler && effect.Task != null)
{
effectInstance.CurrentlyCompilingEffect = effect.Task;
effectInstance.CurrentlyCompilingUsedParameters = usedParameters;
if (!effectInstance.HasErrors) // If there was an error, stay in that state (we don't want to switch between reloading and error states)
{
// Fallback to default effect
var fallbackEffect = ComputeFallbackEffect(this, FallbackEffectType.Compiling, EffectName, compilerParameters);
UpdateEffect(effectInstance, fallbackEffect.Effect, fallbackEffect.UsedParameters, passParameters);
}
return;
}
// TODO It throws an exception here when the compilation fails!
var compiledEffect = effect.WaitForResult();
UpdateEffect(effectInstance, compiledEffect, usedParameters, passParameters);
// Effect has been updated
effectInstance.CurrentlyCompilingEffect = null;
effectInstance.CurrentlyCompilingUsedParameters = null;
}
/// <summary>
/// Creates an effect.
/// </summary>
/// <param name="effectSystem">The effect system.</param>
/// <param name="effectName">Name of the effect.</param>
/// <returns>A new instance of an effect.</returns>
public static TaskOrResult <Effect> LoadEffect(this EffectSystem effectSystem, string effectName)
{
var compilerParameters = new CompilerParameters();
return(effectSystem.LoadEffect(effectName, compilerParameters));
}
