//TODO: HIGHLY UNOPTIMIZED, DO NOT INITIALISE VERTICES EACH ROUND, USE VERTEX BUFFERS AND INDICES
public override void ApplyShader(SpriteBatch spriteBatch, ViewPortInfo viewPortInfo, GameTime gameTime, RenderTarget2D inputBuffer, RenderTarget2D outputBuffer)
{
GraphicsDevice.SetRenderTarget(_lightTarget);
GraphicsDevice.Clear(AmbientLight);
GraphicsDevice.BlendState = BlendState.Additive;
foreach (LightSource lightSource in LightSources)
{
float x = lightSource.Pos.X;
float y = lightSource.Pos.Y;
if (lightSource.PositionType == LightPositionType.Relative)
{
x -= viewPortInfo.pxTopLeftX;
y -= viewPortInfo.pxTopLeftY;
}
x *= viewPortInfo.ActualZoom;
y *= viewPortInfo.ActualZoom;
x /= _lightTarget.Width;
y /= _lightTarget.Height;
x = -1.0f + x * 2;
y = 1.0f - y * 2;
float radiusX = lightSource.Width * viewPortInfo.ActualZoom;
float radiusY = lightSource.Height * viewPortInfo.ActualZoom;
radiusX /= _lightTarget.Width;
radiusY /= _lightTarget.Height;
//TODO: This can be vastly improved by only initializing the vertices once
//TODO: Use a VertexBuffer to keep in VRAM
//TODO: Use TriangleIndex rather than TriangleList for optimal vertex count
VertexPositionColor[] vertexCircle = SetUpCircle(
radiusX, radiusY,
new Vector3(x, y, 0),
lightSource.Color,
CirclePointAccurracy, null
);
_colorShader.CurrentTechnique = _colorShader.Techniques["Pretransformed"];
foreach (EffectPass pass in _colorShader.CurrentTechnique.Passes)
{
pass.Apply();
GraphicsDevice.DrawUserPrimitives(
PrimitiveType.TriangleList,
vertexCircle,
0, CirclePointAccurracy,
VertexPositionColor.VertexDeclaration
);
}
}
GraphicsDevice.SetRenderTarget(outputBuffer);
_lightShader.Parameters["LightMap"].SetValue(_lightTarget);
spriteBatch.Begin(SpriteSortMode.FrontToBack, BlendState.AlphaBlend, null, null, null, _lightShader);
{
spriteBatch.Draw(inputBuffer, inputBuffer.Bounds, Color.White);
}
spriteBatch.End();
}
public void DrawDebugInfo(
ViewPortInfo viewPort,
SpriteBatch spriteBatch,
Rectangle destRectangle,
SpriteFont spriteFont,
float globalDispX, float globalDispY)
{
float actualBoxWidth = BoxWidth * viewPort.ActualZoom;
float actualBoxHeight = BoxHeight * viewPort.ActualZoom;
int startBoxX = (int) (globalDispX / actualBoxWidth);
int startBoxY = (int) (globalDispY / actualBoxHeight);
int viewBoxCountX = (int) Math.Ceiling(destRectangle.Width / actualBoxWidth) + 1;
int viewBoxCountY = (int) Math.Ceiling(destRectangle.Height / actualBoxHeight) + 1;
for (int i = 0; i < viewBoxCountX; i++)
{
for (int j = 0; j < viewBoxCountY; j++)
{
int I = i + startBoxX;
int J = j + startBoxY;
if (I < 0 || J < 0 || I >= _boxCountX || J >= _boxCountY)
continue;
int index = I + J * _boxCountX;
int x = (int)(I * BoxWidth * viewPort.ActualZoom - globalDispX);
int y = (int)(J * BoxHeight * viewPort.ActualZoom - globalDispY);
int width = (int) (BoxWidth * viewPort.ActualZoom) - 1;
int height = (int)(BoxHeight * viewPort.ActualZoom) - 1;
int entityCount = _hashLists[index].Count;
Color drawColor = debugColors[Math.Min(entityCount, debugColors.Length - 1)];
string debugText = string.Format("{0}\n\r{1}", index, entityCount);
Vector2 debugTextMeasurements = spriteFont.MeasureString(debugText);
SpriteBatchExtensions.DrawRectangle(
spriteBatch,
new Rectangle(x, y, width, height),
drawColor, 0);
if (debugTextMeasurements.X < width &&
debugTextMeasurements.Y < height)
{
SpriteBatchExtensions.DrawCenteredString(
spriteBatch,
spriteFont,
debugText,
new Vector2(x, y) + new Vector2(width, height) / 2,
drawColor);
}
}
}
}
public Rectangle Draw(GameTime gameTime, SpriteBatch spriteBatch, Vector2 destination, float layerDepth, float entityScaleX, float entityScaleY, float opacity, float maxY, ViewPortInfo viewPortInfo)
{
int width = GetWidth(gameTime);
int height = GetHeight(gameTime);
int targetWidth = (int)Math.Ceiling(width * entityScaleX * viewPortInfo.ActualZoom * this.ScaleX);
int targetHeight = (int)Math.Ceiling(height * entityScaleY * viewPortInfo.ActualZoom * this.ScaleY);
// Draw the Object based on the current Frame dimensions and the specified Object Width Height values.
Rectangle objectDestRect = new Rectangle(
(int)Math.Ceiling(destination.X) + (int)Math.Ceiling(Offset.X * viewPortInfo.ActualZoom),
(int)Math.Ceiling(destination.Y) + (int)Math.Ceiling(Offset.Y * viewPortInfo.ActualZoom),
targetWidth,
targetHeight
);
Vector2 targetOrigin = new Vector2(
(float)Math.Ceiling(Drawable.Origin.X * width),
(float)Math.Ceiling(Drawable.Origin.Y * height)
);
Color targetColor = new Color()
{
R = Color.R,
G = Color.G,
B = Color.B,
A = (byte)(Color.A * opacity)
};
// Further adjust the layer depth based on this drawables layer value
layerDepth += Layer / maxY;
if (layerDepth > 1) layerDepth = 1;
if (layerDepth < 0) layerDepth = 0;
Drawable.Draw(spriteBatch, objectDestRect, targetColor, Rotation, targetOrigin, SpriteEffects, layerDepth, GetElapsedMS(gameTime));
return objectDestRect;
}
/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Viewport = new Viewport
{
X = 0,
Y = 0,
Width = WINDOW_WIDTH,
Height = WINDOW_HEIGHT,
MinDepth = 0,
MaxDepth = 1
};
GraphicsDevice.Clear(Color.Black);
TextCounter = 0;
float textHeight = DefaultSpriteFont.MeasureString("d").Y;
Rectangle pxDestRectangle = new Rectangle(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
// Draw the World View Port, Centered on the Engine.GetEntity("Player") Actor.
ViewPortInfo viewPort = Engine.DrawWorldViewPort(
SpriteBatch,
Engine.GetEntity("Player").Pos,
Zoom,
pxDestRectangle,
Color.White,
CurrentSampler,
DefaultSpriteFont);
// Update static variable
ViewPortInfo = viewPort;
// Render the UI
if (Engine.MapScript != null)
{
ArenaScript script = (ArenaScript)Engine.MapScript;
if (script.Hud != null)
script.Hud.RenderUI(SpriteBatch, gameTime, pxDestRectangle);
}
// DRAW DEBUGGING INFORMATION
SpriteBatch.Begin();
{
if (showDebugInfo)
{
// DRAW THE LIGHT MAP OUTPUT TO THE SCREEN FOR DEBUGGING
if (LightShader.Enabled)
{
int lightMapHeight = 100;
int lightMapWidth = (int)Math.Ceiling(100 * ((float)LightShader.LightMap.Width / LightShader.LightMap.Height));
SpriteBatch.Draw(
LightShader.LightMap,
new Rectangle(
WINDOW_WIDTH - lightMapWidth, 0,
lightMapWidth, lightMapHeight
),
Color.White
);
}
double fps = 1000 / gameTime.ElapsedGameTime.TotalMilliseconds;
Color fpsColor = (Math.Ceiling(fps) < 60) ? Color.Red : Color.White;
float TX = Engine.GetEntity("Player").Pos.X / Engine.Map.TileWidth;
float TY = Engine.GetEntity("Player").Pos.Y / Engine.Map.TileHeight;
Hero player = (Hero)Engine.GetEntity("Player");
SpriteBatch.DrawString(DefaultSpriteFont, Engine.GetEntity("Player").Pos.ToString(), GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, TX.ToString("0.0") + "," + TY.ToString("0.0"), GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, "Coins=" + player.Gold, GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, String.Format("Lvl={0}", player.Level), GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, String.Format("HP={0}/{1}", player.HP, player.MaxHP), GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, String.Format("Mana={0}/{1}", player.Mana, player.MaxMana), GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, String.Format("XP={0}/{1}", player.XP, player.XPToNextLevel), GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, String.Format("Stats={0},{1},{2}", player.Strength, player.Dexterity, player.Wisdom), GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, String.Format("Intensity = {0}", player.Intensity), GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, fps.ToString("0.0 FPS"), GeneratePos(textHeight), fpsColor);
SpriteBatch.DrawString(DefaultSpriteFont, "Resolution=" + Engine.PixelWidth + "x" + Engine.PixelHeight, GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, "MapSize=" + Engine.Map.txWidth + "x" + Engine.Map.txHeight, GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, "Sampler=" + CurrentSampler.ToString(), GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, "Entities On Screen = " + Engine.EntitiesOnScreen.Count, GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, "Total Entities = " + Engine.Entities.Count, GeneratePos(textHeight), Color.White);
SpriteBatch.DrawString(DefaultSpriteFont, "Actual Zoom = " + viewPort.ActualZoom, GeneratePos(textHeight), Color.White);
}
if (showDiagnostics)
{
StringBuilder builder = new StringBuilder();
builder.AppendLine(Engine.OverallPerformance.Description);
builder.AppendLine(Engine.OverallPerformance.ShowAll(false));
builder.AppendLine(Engine.EntityUpdatePerformance.Description);
builder.AppendLine(Engine.EntityUpdatePerformance.ShowTop(5));
string textOutput = builder.ToString();
SpriteBatch.DrawString(DefaultSpriteFont, textOutput, new Vector2(0, WINDOW_HEIGHT - DefaultSpriteFont.MeasureString(textOutput).Y), Color.White);
}
}
SpriteBatch.End();
base.Draw(gameTime);
}
public ViewPortInfo DrawWorldViewPort(SpriteBatch spriteBatch, Vector2 center, float zoom, Rectangle destRectangle, Color color, SamplerState samplerState, SpriteFont spriteFont=null)
{
ViewPortInfo viewPortInfo = new ViewPortInfo();
{
viewPortInfo.pxTileWidth = (int) Math.Ceiling(Map.TileWidth * zoom);
viewPortInfo.pxTileHeight = (int) Math.Ceiling(Map.TileHeight * zoom);
// Note about ActualZoom Property:
// because there is a loss of data between to conversion from Map.pxTileWidth * Zoom -> (int)
// we need to determine what was the actual level of zoom that was applied to the tiles and use that
// this ensures that entities that will be drawn will be placed correctly on the screen.
viewPortInfo.ActualZoom = viewPortInfo.pxTileWidth / Map.TileWidth;
viewPortInfo.pxWidth = destRectangle.Width / viewPortInfo.ActualZoom;
viewPortInfo.pxHeight = destRectangle.Height / viewPortInfo.ActualZoom;
viewPortInfo.pxTopLeftX = center.X - viewPortInfo.pxWidth / 2.0f;
viewPortInfo.pxTopLeftY = center.Y - viewPortInfo.pxHeight / 2.0f;
viewPortInfo.TileCountX = (int) Math.Ceiling((double)viewPortInfo.pxWidth / Map.TileWidth) + 1;
viewPortInfo.TileCountY = (int) Math.Ceiling((double)viewPortInfo.pxHeight / Map.TileHeight) + 1;
// Prevent the View from going outisde of the WORLD coordinates.
if (viewPortInfo.pxTopLeftX < 0) viewPortInfo.pxTopLeftX = 0;
if (viewPortInfo.pxTopLeftY < 0) viewPortInfo.pxTopLeftY = 0;
if (viewPortInfo.pxTopLeftX + viewPortInfo.pxWidth >= Map.pxWidth)
viewPortInfo.pxTopLeftX = Map.pxWidth - viewPortInfo.pxWidth;
if (viewPortInfo.pxTopLeftY + viewPortInfo.pxHeight >= Map.pxHeight)
viewPortInfo.pxTopLeftY = Map.pxHeight - viewPortInfo.pxHeight;
// Calculate any decimal displacement required (For Positions with decimal points).
viewPortInfo.pxDispX = viewPortInfo.pxTopLeftX - ((int)viewPortInfo.pxTopLeftX / Map.TileWidth) * Map.TileWidth;
viewPortInfo.pxDispY = viewPortInfo.pxTopLeftY - ((int)viewPortInfo.pxTopLeftY / Map.TileHeight) * Map.TileHeight;
viewPortInfo.pxViewPortBounds = new Rectangle(
(int) Math.Ceiling(viewPortInfo.pxTopLeftX),
(int) Math.Ceiling(viewPortInfo.pxTopLeftY),
(int) Math.Ceiling(viewPortInfo.pxWidth),
(int) Math.Ceiling(viewPortInfo.pxHeight)
);
}
// RENDER THE GAME WORLD TO THE VIEWPORT RENDER TARGET
GraphicsDevice.SetRenderTarget(_inputBuffer);
GraphicsDevice.Clear(Map.Background);
// DRAW THE WORLD MAP
OverallPerformance.StartTiming("TileRenderingTime");
// Deferred Rendering should be fine for rendering tile as long as we draw tile layers one at a time
spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, samplerState, null, null);
{
for (int layerIndex = 0; layerIndex < Map.TileLayers.Count; layerIndex++)
{
// DRAW EACH LAYER
TileLayer tileLayer = Map.TileLayers[layerIndex];
if (tileLayer.Visible)
{
Color layerColor = new Color()
{
R = tileLayer.Color.R,
G = tileLayer.Color.G,
B = tileLayer.Color.B,
A = (byte)(tileLayer.Color.A * tileLayer.Opacity)
};
float depth = 1 - (layerIndex / 10000.0f);
for (int i = 0; i < viewPortInfo.TileCountX; i++)
{
for (int j = 0; j < viewPortInfo.TileCountY; j++)
{
int tileX = (int)(i + viewPortInfo.pxTopLeftX / Map.TileWidth);
int tileY = (int)(j + viewPortInfo.pxTopLeftY / Map.TileHeight);
int tileGid = tileLayer[tileX, tileY];
Rectangle pxTileDestRect = new Rectangle(
(int) Math.Ceiling(i * viewPortInfo.pxTileWidth - viewPortInfo.pxDispX * viewPortInfo.ActualZoom),
(int) Math.Ceiling(j * viewPortInfo.pxTileHeight - viewPortInfo.pxDispY * viewPortInfo.ActualZoom),
(int) viewPortInfo.pxTileWidth,
(int) viewPortInfo.pxTileHeight
);
if (tileGid != 0 && tileGid != -1) // NULL or INVALID Tile Gid is ignored
{
Tile tile = Map.Tiles[tileGid];
spriteBatch.Draw(
tile.sourceTexture,
pxTileDestRect,
tile.SourceRectangle,
layerColor,
0, Vector2.Zero,
SpriteEffects.None,
depth
);
}
// DRAW THE TILE LAYER GRID IF ENABLE
if (DrawingOptions.ShowTileGrid && layerIndex == Map.TileLayers.Count - 1)
spriteBatch.DrawRectangle(pxTileDestRect, Color.Black, 0);
}
}
}
}
}
spriteBatch.End();
OverallPerformance.StopTiming("TileRenderingTime");
// Calculate the entity Displacement caused by pxTopLeft at a global scale to prevent jittering.
// Each entity should be displaced by the *same amount* based on the pxTopLeftX/Y values
// this is to prevent entities 'jittering on the screen' when moving the camera.
float globalDispX = (int) Math.Ceiling(viewPortInfo.pxTopLeftX * viewPortInfo.ActualZoom);
float globalDispY = (int) Math.Ceiling(viewPortInfo.pxTopLeftY * viewPortInfo.ActualZoom);
// DRAW VISIBLE REGISTERED ENTITIES
OverallPerformance.RestartTiming("TotalEntityRenderTime");
spriteBatch.Begin(SpriteSortMode.BackToFront, BlendState.AlphaBlend, samplerState, null, null);
{
EntitiesOnScreen = Collider.GetIntersectingEntites(new FRectangle(viewPortInfo.pxViewPortBounds));
// DRAW EACH ENTITIY THAT IS WITHIN THE SCREENS VIEWPORT
foreach (Entity entity in EntitiesOnScreen)
{
EntityRenderPerformance.RestartTiming(entity.Name);
if (!entity.Visible) continue;
entity.IsOnScreen = true;
// Determine the absolute position on the screen for entity position and the bounding box.
Vector2 pxAbsEntityPos = new Vector2(
entity.Pos.X * viewPortInfo.ActualZoom - globalDispX,
entity.Pos.Y * viewPortInfo.ActualZoom - globalDispY
);
FRectangle pxAbsBoundingBox = new FRectangle(
entity.CurrentBoundingBox.X * viewPortInfo.ActualZoom - globalDispX,
entity.CurrentBoundingBox.Y * viewPortInfo.ActualZoom - globalDispY,
entity.CurrentBoundingBox.Width * viewPortInfo.ActualZoom,
entity.CurrentBoundingBox.Height * viewPortInfo.ActualZoom
);
// DRAW ENTITY BOUNDING BOXES IF ENABLED
if (DrawingOptions.ShowBoundingBoxes)
{
spriteBatch.DrawRectangle(pxAbsBoundingBox.ToRectangle(), Color.Red, 0.0001f);
SpriteBatchExtensions.DrawCross(
spriteBatch,
new Vector2(
(int) Math.Ceiling(pxAbsEntityPos.X),
(int) Math.Ceiling(pxAbsEntityPos.Y)
),
13, Color.Black, 0f);
}
// DRAW ENTITY DETAILS IF ENABLED (ENTITY DEBUG INFO)
if (DrawingOptions.ShowEntityDebugInfo)
{
SpriteBatchExtensions.DrawMultiLineString(
spriteBatch,
spriteFont,
entity.GetDebugInfo(),
(int) entity.CurrentBoundingBox.Width * 2,
4,
new Vector2(
pxAbsBoundingBox.X + pxAbsBoundingBox.Width/2,
pxAbsBoundingBox.Y + pxAbsBoundingBox.Height/2
),
Color.Purple);
}
// DRAW EVERY GAMEDRAWABLE INSTANCE CURRENTLY ACTIVE IN THE ENTITIES DRAWABLE SET.
HashSet<GameDrawableInstance> drawableInstances = entity.Drawables.GetByState(entity.CurrentDrawableState);
if (drawableInstances != null)
{
foreach (GameDrawableInstance drawable in drawableInstances)
{
if (!drawable.Visible) continue;
// The relative position of the object should always be (X,Y) - (globalDispX, globalDispY). globalDispX and globalDispY
// are based on viewPortInfo.TopLeftX and viewPortInfo.TopLeftY. viewPortInfo.TopLeftX and viewPortInfo.TopLeftY have
// already been corrected in terms of the bounds of the WORLD map coordinates. This allows for panning at the edges.
Rectangle pxCurrentFrame = drawable.GetSourceRectangle(LastUpdateTime);
int pxObjectWidth = (int)Math.Ceiling(pxCurrentFrame.Width * entity.ScaleX * viewPortInfo.ActualZoom);
int pxObjectHeight = (int)Math.Ceiling(pxCurrentFrame.Height * entity.ScaleY * viewPortInfo.ActualZoom);
// Draw the Object based on the current Frame dimensions and the specified Object Width Height values.
Rectangle objectDestRect = new Rectangle(
(int)Math.Ceiling(pxAbsEntityPos.X) + (int)Math.Ceiling(drawable.Offset.X * viewPortInfo.ActualZoom),
(int)Math.Ceiling(pxAbsEntityPos.Y) + (int)Math.Ceiling(drawable.Offset.Y * viewPortInfo.ActualZoom),
pxObjectWidth,
pxObjectHeight
);
Vector2 drawableOrigin = new Vector2(
(float)Math.Ceiling(drawable.Drawable.Origin.X * pxCurrentFrame.Width),
(float)Math.Ceiling(drawable.Drawable.Origin.Y * pxCurrentFrame.Height)
);
Color drawableColor = new Color()
{
R = drawable.Color.R,
G = drawable.Color.G,
B = drawable.Color.B,
A = (byte)(drawable.Color.A * entity.Opacity)
};
// Layer depth should depend how far down the object is on the map (Relative to Y).
// Important to also take into account the animation layers for the entity.
float layerDepth = Math.Min(0.99f, 1 / (entity.Pos.Y + ((float)drawable.Layer / Map.pxHeight)));
// FINALLY ... DRAW
spriteBatch.Draw(
drawable.GetSourceTexture(LastUpdateTime),
objectDestRect,
pxCurrentFrame,
drawableColor,
drawable.Rotation,
drawableOrigin,
drawable.SpriteEffects,
layerDepth);
// DRAW BOUNDING BOXES OF EACH INDIVIDUAL DRAWABLE COMPONENT
if (DrawingOptions.ShowDrawableComponents)
{
Rectangle drawableComponentRect = new Rectangle(
(int)Math.Floor(objectDestRect.X - objectDestRect.Width * drawable.Drawable.Origin.X),
(int)Math.Floor(objectDestRect.Y - objectDestRect.Height * drawable.Drawable.Origin.Y),
objectDestRect.Width, objectDestRect.Height);
SpriteBatchExtensions.DrawRectangle(
spriteBatch, drawableComponentRect, Color.Blue, 0);
}
}
}
EntityRenderPerformance.StopTiming(entity.Name);
}
}
spriteBatch.End();
OverallPerformance.StopTiming("TotalEntityRenderTime");
// APPLY GAME SHADERS TO THE RESULTANT IMAGE
OverallPerformance.RestartTiming("TotalPostGameShaderRenderTime");
foreach(PostGameShader postGameShader in GameShaders)
{
if (postGameShader.Enabled)
{
postGameShader.ApplyShader(spriteBatch, viewPortInfo, LastUpdateTime, _inputBuffer, _outputBuffer);
// Swap buffers after each render.
_dummyBuffer = _inputBuffer;
_inputBuffer = _outputBuffer;
_outputBuffer = _dummyBuffer;
}
}
OverallPerformance.StopTiming("TotalPostGameShaderRenderTime");
// DRAW COLLIDER DEBUG INFORMATION IF ENABLED
if (DrawingOptions.ShowColliderDebugInfo)
{
spriteBatch.Begin();
Collider.DrawDebugInfo(viewPortInfo, spriteBatch, destRectangle, spriteFont, globalDispX, globalDispY);
spriteBatch.End();
}
// DRAW THE VIEWPORT TO THE STANDARD SCREEN
GraphicsDevice.SetRenderTarget(null);
spriteBatch.Begin();
{
spriteBatch.Draw(_inputBuffer, destRectangle, color);
}
spriteBatch.End();
return viewPortInfo;
}
public virtual void ApplyShader(SpriteBatch spriteBatch, ViewPortInfo viewPortInfo, GameTime gameTime, RenderTarget2D inputBuffer, RenderTarget2D outputBuffer )
{
throw new NotImplementedException();
}
