/// <summary>
/// Method to do the deferred lighting draw call
/// </summary>
/// <param name="camera"></param>
public void DrawDeferred(DeferredLightingCamera camera)
{
GraphicsDevice.Clear(camera.ClearColor);
if (deferredSceneRenderEffect == null)
{
deferredSceneRenderEffect = Game.Content.Load <Effect>("Shaders/DeferredRender/DeferredSceneRender");
}
deferredSceneRenderEffect.Parameters["colorMap"].SetValue(camera.RenderTarget);
deferredSceneRenderEffect.Parameters["lightMap"].SetValue(lightMap);
//deferredSceneRenderEffect.Parameters["sgrMap"].SetValue(camera.SpecularGlowReflectionMap);
GraphicsDevice.BlendState = BlendState.Opaque;
GraphicsDevice.DepthStencilState = DepthStencilState.Default;
GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
GraphicsDevice.SamplerStates[0] = SamplerState.LinearWrap;
deferredSceneRenderEffect.CurrentTechnique.Passes[0].Apply();
if (sceneQuad == null)
{
sceneQuad = new ScreenQuad(Game);
sceneQuad.Initialize();
}
sceneQuad.Draw(-Vector2.One, Vector2.One);
}
public virtual void Draw(GameTime gameTime)
{
if (Enabled)
{
if (sq == null)
{
sq = new ScreenQuad(Game);
sq.Initialize();
}
if (!UsesVertexShader)
{
spriteBatch.Begin(SortMode, Blend, Sampler, DepthStencilState.None, RasterizerState.CullCounterClockwise);
}
else
{
Game.GraphicsDevice.SamplerStates[0] = Sampler;
}
effect.CurrentTechnique.Passes[0].Apply();
if (UsesVertexShader)
{
sq.Draw(-Vector2.One, Vector2.One);
}
else
{
spriteBatch.Draw(BackBuffer, new Rectangle(0, 0, Game.GraphicsDevice.Viewport.Width, Game.GraphicsDevice.Viewport.Height), Color.White);
spriteBatch.End();
}
}
}