private void UpdateShaders(GraphicsDevice graphicsDevice)
{
if (ComputeColor != null && ComputeScalar != null)
{
var shaderGeneratorContext = new ShaderGeneratorContext(graphicsDevice)
{
Parameters = Parameters,
ColorSpace = graphicsDevice.ColorSpace
};
// Don't forget to set the proper color space!
shaderGeneratorContext.ColorSpace = graphicsDevice.ColorSpace;
var newShaderBaseColor = ComputeColor.GenerateShaderSource(shaderGeneratorContext, new MaterialComputeColorKeys(ParticleCustomShaderKeys.EmissiveMap, ParticleCustomShaderKeys.EmissiveValue, Color.White));
var newShaderBaseScalar = ComputeScalar.GenerateShaderSource(shaderGeneratorContext, new MaterialComputeColorKeys(ParticleCustomShaderKeys.IntensityMap, ParticleCustomShaderKeys.IntensityValue, Color.White));
// Check if shader code has changed
if (!newShaderBaseColor.Equals(shaderBaseColor) || !newShaderBaseScalar.Equals(shaderBaseScalar))
{
shaderBaseColor = newShaderBaseColor;
shaderBaseScalar = newShaderBaseScalar;
Parameters.Set(ParticleCustomShaderKeys.BaseColor, shaderBaseColor);
Parameters.Set(ParticleCustomShaderKeys.BaseIntensity, shaderBaseScalar);
// TODO: Is this necessary?
HasVertexLayoutChanged = true;
}
}
}
/// <summary>
/// Polls the shader generator if the shader code has changed and has to be reloaded
/// </summary>
/// <param name="graphicsDevice">The current <see cref="GraphicsDevice"/></param>
private void UpdateShaders(GraphicsDevice graphicsDevice)
{
// TODO Part of the graphics improvement XK-3052
// Don't do this every frame, we have to propagate changes better
if (--shadersUpdateCounter > 0)
return;
shadersUpdateCounter = 10;
if (ComputeColor != null)
{
if (ComputeColor.HasChanged)
{
var shaderGeneratorContext = new ShaderGeneratorContext(graphicsDevice)
{
Parameters = Parameters,
ColorSpace = graphicsDevice.ColorSpace
};
shaderSource = ComputeColor.GenerateShaderSource(shaderGeneratorContext, new MaterialComputeColorKeys(ParticleBaseKeys.EmissiveMap, ParticleBaseKeys.EmissiveValue, Color.White));
if (Parameters.Get(ParticleBaseKeys.BaseColor)?.Equals(shaderSource) ?? false)
{
shaderSource = Parameters.Get(ParticleBaseKeys.BaseColor);
}
else
{
Parameters.Set(ParticleBaseKeys.BaseColor, shaderSource);
}
HasVertexLayoutChanged = true;
}
}
}
