public RenderTextureTestDepthStencil()
{
CCSize s = CCDirector.SharedDirector.WinSize;
CCSprite sprite = new CCSprite("Images/fire");
sprite.Position = new CCPoint(s.Width * 0.25f, 0);
sprite.Scale = 10;
CCRenderTexture rend = new CCRenderTexture((int)s.Width, (int)s.Height, SurfaceFormat.Color, DepthFormat.Depth24Stencil8, RenderTargetUsage.DiscardContents);
rend.BeginWithClear(0, 0, 0, 0, 0);
var save = CCDrawManager.DepthStencilState;
CCDrawManager.DepthStencilState = new DepthStencilState()
{
ReferenceStencil = 1,
DepthBufferEnable = false,
StencilEnable = true,
StencilFunction = CompareFunction.Always,
StencilPass = StencilOperation.Replace,
TwoSidedStencilMode = true,
CounterClockwiseStencilFunction = CompareFunction.Always,
CounterClockwiseStencilPass = StencilOperation.Replace,
};
sprite.Visit();
CCDrawManager.DepthStencilState = new DepthStencilState()
{
DepthBufferEnable = false,
StencilEnable = true,
StencilFunction = CompareFunction.NotEqual,
StencilPass = StencilOperation.Keep,
ReferenceStencil = 1
};
// GL_SRC_ALPHA
CCDrawManager.BlendFunc(new CCBlendFunc(OGLES.GL_ONE, OGLES.GL_ONE_MINUS_SRC_ALPHA));
//! move sprite half width and height, and draw only where not marked
sprite.Position = sprite.Position + new CCPoint(sprite.ContentSize.Width * sprite.Scale, sprite.ContentSize.Height * sprite.Scale) * 0.5f;
sprite.Visit();
CCDrawManager.DepthStencilState = save;
rend.End();
rend.Position = new CCPoint(s.Width * 0.5f, s.Height * 0.5f);
AddChild(rend);
}
internal void UseMaterial (CCDrawManager drawManager)
{
drawManager.BlendFunc(BlendType);
drawManager.BindTexture(Texture);
}
internal override void Execute(CCDrawManager drawManager)
{
drawManager.BindTexture(Texture.Texture);
drawManager.BlendFunc(BlendType);
Texture.DrawQuads();
}