/// <summary>
/// Stream output
/// </summary>
/// <param name="effect">Effect for stream out</param>
private void StreamOut(EffectDefaultGpuParticles effect)
{
var graphics = this.Game.Graphics;
graphics.IAInputLayout = this.streamOutInputLayout;
graphics.IASetVertexBuffers(BufferSlot, this.firstRun ? this.emitterBinding : this.drawingBinding);
graphics.IAPrimitiveTopology = PrimitiveTopology.PointList;
graphics.SetDepthStencilNone();
graphics.SetStreamOutputTargets(this.streamOutBinding);
var techniqueForStreamOut = effect.ParticleStreamOut;
for (int p = 0; p < techniqueForStreamOut.PassCount; p++)
{
graphics.EffectPassApply(techniqueForStreamOut, p, 0);
if (this.firstRun)
{
graphics.Draw(1, 0);
this.firstRun = false;
}
else
{
graphics.DrawAuto();
}
}
graphics.SetStreamOutputTargets(null);
}
/// <summary>
/// Drawing
/// </summary>
/// <param name="effect">Effect for drawing</param>
/// <param name="drawerMode">Drawe mode</param>
private void Draw(EffectDefaultGpuParticles effect, DrawerModes drawerMode)
{
var rot = this.parameters.RotateSpeed != Vector2.Zero;
var techniqueForDrawing = rot ? effect.RotationDraw : effect.NonRotationDraw;
if (!drawerMode.HasFlag(DrawerModes.ShadowMap))
{
Counters.InstancesPerFrame++;
}
var graphics = this.Game.Graphics;
graphics.IAInputLayout = rot ? this.rotatingInputLayout : this.nonRotatingInputLayout;
graphics.IASetVertexBuffers(BufferSlot, this.drawingBinding);
graphics.IAPrimitiveTopology = PrimitiveTopology.PointList;
graphics.SetDepthStencilRDZEnabled();
if (this.parameters.Additive)
{
graphics.SetBlendAdditive();
}
else if (this.parameters.Transparent)
{
graphics.SetBlendDefaultAlpha();
}
else
{
graphics.SetBlendDefault();
}
for (int p = 0; p < techniqueForDrawing.PassCount; p++)
{
graphics.EffectPassApply(techniqueForDrawing, p, 0);
graphics.DrawAuto();
}
}
