// Release a render target of a particular size
public void Release(WrappedRenderTarget target)
{
// Entry logging
#if IS_LOGGING_METHODS
Log.Write(String.Format("Entering method for {0}", this.Name));
#endif
// Remove from list of unavailable targets
this.UnavailableTargets[target.TargetIndex].Remove(target);
// Add to list of available targets
this.AvailableTargets[target.TargetIndex].Add(target);
// Exit logging
#if IS_LOGGING_METHODS
Log.Write(String.Format("Exiting method for {0}", this.Name));
#endif
}
// =====
#region Constructors
// Default constructor
public RenderTargetPair(WrappedRenderTarget target1, WrappedRenderTarget target2)
{
// Get unique instance ID
RenderTargetPair.nextID++;
this.id = RenderTargetPair.nextID;
// Entry logging
#if IS_LOGGING_METHODS
Log.Write("Entering method for " + this.Name);
#endif
// Set instance variables
this.targets = new WrappedRenderTarget[2] {
target1, target2
};
this.isSwapped = false;
// Exit logging
#if IS_LOGGING_METHODS
Log.Write("Exiting method for " + this.Name);
#endif
}
// =====
#region Methods
// Allocate a render target of a particular size
public WrappedRenderTarget Allocate(int size)
{
// Entry logging
#if IS_LOGGING_METHODS
Log.Write(String.Format("Entering method for {0}", this.Name));
#endif
// Declare result
WrappedRenderTarget result;
// Get the total number of available targets having this size
int m = this.AvailableTargets[size].Count;
// Check if there is an available target
if (m > 0)
{
// If so, give it away
result = this.AvailableTargets[size][m - 1];
this.AvailableTargets[size].RemoveAt(m - 1);
this.UnavailableTargets[size].Add(result);
}
else
{
// If not, create a new one
int w = (int)(Globals.GraphicsDevice.BackBuffer.Width / Math.Pow(2, size));
int h = (int)(Globals.GraphicsDevice.BackBuffer.Height / Math.Pow(2, size));
result = new WrappedRenderTarget(w, h, size);
this.UnavailableTargets[size].Add(result);
}
// Exit logging
#if IS_LOGGING_METHODS
Log.Write(String.Format("Exiting method for {0}", this.Name));
#endif
// Return result
return(result);
}
// Set a texture parameter
public void SetParameter(String parameterName, WrappedRenderTarget value)
{
this.Effect.Parameters[parameterName].SetValue(value.RenderTarget);
}
// Complicated blur draw
public void Draw1()
{
// Entry logging
#if IS_LOGGING_METHODS
Log.Write(String.Format("Entering method for {0}", this.Name));
#endif
// REMEMBER BUFFER USAGE WRITE ONLY CHANGE!
// VertexPositionColorTexture[] vertexArray = new VertexPositionColorTexture[4];
// this.ActiveVertexBuffer.VertexBuffer.GetData<VertexPositionColorTexture>(vertexArray);
// for (int i = 0; i < vertexArray.Length; i++) { Trace.WriteLine(String.Format("drawLayer\t{0}\tvertexArray[{1}] = {2}", Globals.Clock.TotalGameTime, i, vertexArray[i])); }
// Initialization
this.BeginDraw();
int k = 2; // downsampling
int n = 2; // iterations
WrappedRenderTarget backBuffer = this.BackBuffer;
WrappedRenderTarget target1 = this.RenderTargetManager.Allocate(0);
WrappedRenderTarget target2 = this.RenderTargetManager.Allocate(k);
WrappedRenderTarget target3 = this.RenderTargetManager.Allocate(k);
WrappedShader defaultShader = Globals.ShaderManager.DefaultShader;
WrappedShader horizontalBlurShader = WrappedHorizontalBlurShader.Gaussian(9, 2);
WrappedShader verticalBlurShader = WrappedVerticalBlurShader.Gaussian(9, 2);
this.ActiveRenderTarget = target1;
this.Clear(this.BackgroundColor, true, false);
// Loop through layers
for (int i = 0; i < Globals.SpriteManager.Layers.Count - 1; i++)
{
// Get current layer
SpriteLayer layer = Globals.SpriteManager.Layers[i];
// Draw layer
this.DrawLayer(layer);
}
// Loop through iterations
for (int i = 0; i < n; i++)
{
// Apply horizontal blur
this.ActiveRenderTarget = target2;
if (i == 0)
{
this.ActiveTexture = target1;
}
else
{
this.ActiveTexture = target3;
}
this.ActiveShader = horizontalBlurShader;
this.DrawBackBufferQuad();
// Apply vertical blur
this.ActiveRenderTarget = target3;
this.ActiveTexture = target2;
this.ActiveShader = verticalBlurShader;
this.DrawBackBufferQuad();
}
// Draw blurred layers to back buffer
this.ActiveRenderTarget = backBuffer;
this.ActiveTexture = target3;
this.ActiveShader = Globals.ShaderManager.DefaultShader;
this.DrawBackBufferQuad();
// Loop through remaining layers
for (int i = 1; i < Globals.SpriteManager.Layers.Count; i++)
{
// Get current layer
SpriteLayer layer = Globals.SpriteManager.Layers[i];
// Draw layer
this.DrawLayer(layer);
}
this.RenderTargetManager.Release(target3);
this.RenderTargetManager.Release(target2);
this.RenderTargetManager.Release(target1);
if (Globals.Clock.TotalGameTime == 0 && !Globals.TestBool)
{
target1.Save(@"C:\Users\Chris\Desktop\GameLog\target1.png");
target2.Save(@"C:\Users\Chris\Desktop\GameLog\target2.png");
target3.Save(@"C:\Users\Chris\Desktop\GameLog\target3.png");
Globals.TestBool = true;
}
// Exit logging
#if IS_LOGGING_METHODS
Log.Write(String.Format("Exiting method for {0}", this.Name));
#endif
}
// =====
#region Constructors
// Default constructor
public WrappedGraphicsDevice()
{
// Get ID
this.id = nextID++;
// Entry logging
#if IS_LOGGING_METHODS
Log.Write(String.Format("Entering method for {0}", this.Name));
#endif
// Set screen size in pixels
// WARNING: ApplyChanges() will empty out all vertex and index buffers?!
int w = 1280;
int h = 720;
Globals.Game1.Graphics.PreferredBackBufferWidth = w;
Globals.Game1.Graphics.PreferredBackBufferHeight = h;
Globals.Game1.Graphics.PreferredDepthStencilFormat = DepthFormat.Depth24Stencil8;
Globals.Game1.Graphics.ApplyChanges();
Globals.Game1.IsMouseVisible = true;
Globals.Game1.Window.AllowUserResizing = true;
// Set instance variables
this.activeRenderTarget = null;
this.activeVertexBuffer = null;
this.activeIndexBuffer = null;
this.activeView = Matrix.Identity;
this.activeProjection = Matrix.Identity;
this.activeTexture = null;
this.activeShader = null;
this.activeBlendState = null;
this.activeDepthStencilState = null;
this.backBuffer = new WrappedBackBuffer();
this.renderTargetManager = new RenderTargetManager();
this.quadVertexBuffer = new WrappedVertexBuffer(4);
this.quadIndexBuffer = new WrappedIndexBuffer(6);
this.quadIndexBuffer.SetData(new int[6] {
0, 1, 2, 0, 2, 3
});
this.backgroundColor = Color.White;
this.drawCalls = 0;
this.device = Globals.Game1.GraphicsDevice;
this.spriteBatch = new SpriteBatch(this.device);
// this.device.DepthStencilState = new DepthStencilState() { DepthBufferEnable = false };
this.blendStateAlpha = new BlendState()
{
AlphaDestinationBlend = Blend.InverseSourceAlpha,
ColorDestinationBlend = Blend.InverseSourceAlpha,
ColorWriteChannels = ColorWriteChannels.All
};
this.blendStateNone = new BlendState()
{
AlphaDestinationBlend = Blend.InverseSourceAlpha,
ColorDestinationBlend = Blend.InverseSourceAlpha,
ColorWriteChannels = ColorWriteChannels.None
};
this.stencilStateIncrement = new DepthStencilState()
{
StencilEnable = true,
StencilFunction = CompareFunction.LessEqual,
ReferenceStencil = 0,
StencilPass = StencilOperation.Increment
};
this.stencilStateKeep = new DepthStencilState()
{
StencilEnable = true,
StencilFunction = CompareFunction.LessEqual,
ReferenceStencil = 0,
StencilPass = StencilOperation.Keep
};
// Exit logging
#if IS_LOGGING_METHODS
Log.Write(String.Format("Exiting method for {0}", this.Name));
#endif
}
