diff --git a/Classes/Retronator/Xni/Framework/Graphics/BasicEffect.m b/Classes/Retronator/Xni/Framework/Graphics/BasicEffect.m
index 75dd534..c6f5793 100644
--- a/Classes/Retronator/Xni/Framework/Graphics/BasicEffect.m
+++ b/Classes/Retronator/Xni/Framework/Graphics/BasicEffect.m
@@ -91,9 +91,19 @@
 
 - (void) dealloc
 {
+	[ambientColor release];
+	[diffuseColor release];
+	[emissiveColor release];
+	[specularColor release];
+	[texture release];
+	[ambientLightColor release];
     [directionalLight0 release];
     [directionalLight1 release];
     [directionalLight2 release];
+	[fogColor release];
+	[world release];
+	[view release];
+	[projection release];
     [super dealloc];
 }
 
diff --git a/Classes/Retronator/Xni/Framework/Graphics/GraphicsDevice.h b/Classes/Retronator/Xni/Framework/Graphics/GraphicsDevice.h
index 81a8e3d..45ae69a 100644
--- a/Classes/Retronator/Xni/Framework/Graphics/GraphicsDevice.h
+++ b/Classes/Retronator/Xni/Framework/Graphics/GraphicsDevice.h
@@ -35,6 +35,7 @@
 	int referenceStencil;
 	SamplerStateCollection *samplerStates;
 	TextureCollection *textures;
+	Viewport *viewport;
 	
 	NSMutableArray *vertices;
 }
@@ -51,6 +52,7 @@
 @property (nonatomic) int referenceStencil;
 @property (nonatomic, readonly) SamplerStateCollection *samplerStates;
 @property (nonatomic, readonly) TextureCollection *textures;
+@property (nonatomic, retain) Viewport *viewport;
 
 + (int) getNumberOfVerticesForPrimitiveType:(PrimitiveType)primitiveType primitiveCount:(int)primitiveCount;
 
diff --git a/Classes/Retronator/Xni/Framework/Graphics/GraphicsDevice.m b/Classes/Retronator/Xni/Framework/Graphics/GraphicsDevice.m
index be84233..03920ce 100644
--- a/Classes/Retronator/Xni/Framework/Graphics/GraphicsDevice.m
+++ b/Classes/Retronator/Xni/Framework/Graphics/GraphicsDevice.m
@@ -49,6 +49,7 @@
         glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, depthRenderbuffer);
 		
         // Do the initial reset.
+		viewport = [[Viewport alloc] init];
         [self reset];
 		
 		// Initialize defaults.
@@ -106,6 +107,7 @@
 @synthesize referenceStencil;
 @synthesize samplerStates;
 @synthesize textures;
+@synthesize viewport;
 
 + (int) getNumberOfVerticesForPrimitiveType:(PrimitiveType)primitiveType primitiveCount:(int)primitiveCount {
     switch (primitiveType) {
@@ -135,6 +137,11 @@
     glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_HEIGHT_OES, &backingHeight);
     glViewport(0, 0, backingWidth, backingHeight);
 	
+	self.viewport.x = 0;
+	self.viewport.y = 0;
+	self.viewport.width = backingWidth;
+	self.viewport.height = backingHeight;
+	
     glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthRenderbuffer);
     glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES, backingWidth, backingHeight);
     
@@ -280,6 +287,7 @@
 	[rasterizerState release];
 	[samplerStates release];
 	[textures release];
+	[viewport release];
 	[super dealloc];
 }
 
diff --git a/Classes/Retronator/Xni/Framework/Graphics/Retronator.Xni.Framework.Graphics.classes.h b/Classes/Retronator/Xni/Framework/Graphics/Retronator.Xni.Framework.Graphics.classes.h
index 8fd121e..a0f5bdf 100644
--- a/Classes/Retronator/Xni/Framework/Graphics/Retronator.Xni.Framework.Graphics.classes.h
+++ b/Classes/Retronator/Xni/Framework/Graphics/Retronator.Xni.Framework.Graphics.classes.h
@@ -3,12 +3,13 @@
 @class GraphicsResource, Texture, Texture2D, Effect, EffectTechnique, EffectPass, BasicEffect, DirectionalLight;
 
 #import "VertexStructs.h"
-@class VertexElement, VertexPositionColor, VertexPositionTexture, VertexDeclaration;
-@class VertexArray, VertexPositionColorArray, VertexPositionTextureArray; 
+@class VertexElement, VertexPositionColor, VertexPositionTexture, VertexPositionColorTexture, VertexDeclaration;
+@class VertexArray, VertexPositionColorArray, VertexPositionTextureArray, VertexPositionColorTextureArray; 
 @class VertexBuffer, VertexBufferBinding, IndexBuffer;
 
 @class BlendState, DepthStencilState, RasterizerState, SamplerState, SamplerStateCollection, TextureCollection;
 
+@class Viewport;
 @protocol IGraphicsDeviceService;
 @class GraphicsDevice, ReachGraphicsDevice, HiDefGraphicsDevice;
 
diff --git a/Classes/Retronator/Xni/Framework/Graphics/Retronator.Xni.Framework.Graphics.h b/Classes/Retronator/Xni/Framework/Graphics/Retronator.Xni.Framework.Graphics.h
index 23036c2..04e4cfe 100644
--- a/Classes/Retronator/Xni/Framework/Graphics/Retronator.Xni.Framework.Graphics.h
+++ b/Classes/Retronator/Xni/Framework/Graphics/Retronator.Xni.Framework.Graphics.h
@@ -12,11 +12,13 @@
 #import "VertexElement.h"
 #import "VertexPositionColor.h"
 #import "VertexPositionTexture.h"
+#import "VertexPositionColorTexture.h"
 #import "VertexDeclaration.h"
 
 #import "VertexArray.h"
 #import "VertexPositionColorArray.h"
 #import "VertexPositionTextureArray.h"
+#import "VertexPositionColorTextureArray.h"
 
 #import "VertexBuffer.h"
 #import "VertexBufferBinding.h"
@@ -29,7 +31,10 @@
 #import "SamplerStateCollection.h"
 #import "TextureCollection.h"
 
+#import "Viewport.h"
 #import "IGraphicsDeviceService.h"
 #import "GraphicsDevice.h"
 #import "ReachGraphicsDevice.h"
-#import "HiDefGraphicsDevice.h"
\ No newline at end of file
+#import "HiDefGraphicsDevice.h"
+
+#import "SpriteBatch.h"
\ No newline at end of file
diff --git a/Classes/Retronator/Xni/Framework/Graphics/SpriteBatch.h b/Classes/Retronator/Xni/Framework/Graphics/SpriteBatch.h
index f8bffd8..873b6f1 100644
--- a/Classes/Retronator/Xni/Framework/Graphics/SpriteBatch.h
+++ b/Classes/Retronator/Xni/Framework/Graphics/SpriteBatch.h
@@ -11,34 +11,60 @@
 #import "GraphicsResource.h"
 
 @interface SpriteBatch : GraphicsResource {
+	SpriteSortMode sortMode;
+	BlendState *blendState;
+	SamplerState *samplerState;
+	DepthStencilState *depthStencilState;
+	RasterizerState *rasterizerState;
+	Effect *effect;
+	Matrix *transformMatrix;
 	
+	BasicEffect *basicEffect;
+	
+	BOOL beginCalled;
+	
+	NSMutableArray *sprites;
+	VertexPositionColorTextureArray *vertexArray;
 }
 
 - (void) begin;
 
-- (void) beginWithSortMode:(SpriteSortMode)sortMode 
-				BlendState:(BlendState*)blendState;
+- (void) beginWithSortMode:(SpriteSortMode)theSortMode 
+				BlendState:(BlendState*)theBlendState;
 
-- (void) beginWithSortMode:(SpriteSortMode)sortMode 
-				BlendState:(BlendState*)blendState 
-			  SamplerState:(SamplerState*)samplerState 
-		 DepthStencilState:(DepthStencilState*)depthStencilState 
-		   RasterizerState:(RasterizerState*)rasterizerState;
+- (void) beginWithSortMode:(SpriteSortMode)theSortMode 
+				BlendState:(BlendState*)theBlendState 
+			  SamplerState:(SamplerState*)theSamplerState 
+		 DepthStencilState:(DepthStencilState*)theDepthStencilState 
+		   RasterizerState:(RasterizerState*)theRasterizerState;
 
-- (void) beginWithSortMode:(SpriteSortMode)sortMode 
-				BlendState:(BlendState*)blendState 
-			  SamplerState:(SamplerState*)samplerState 
-		 DepthStencilState:(DepthStencilState*)depthStencilState 
-		   RasterizerState:(RasterizerState*)rasterizerState 
-					Effect:(Effect*)effect;
+- (void) beginWithSortMode:(SpriteSortMode)theSortMode 
+				BlendState:(BlendState*)theBlendState 
+			  SamplerState:(SamplerState*)theSamplerState 
+		 DepthStencilState:(DepthStencilState*)theDepthStencilState 
+		   RasterizerState:(RasterizerState*)theRasterizerState 
+					Effect:(Effect*)theEffect;
 
-- (void) beginWithSortMode:(SpriteSortMode)sortMode 
-				BlendState:(BlendState*)blendState 
-			  SamplerState:(SamplerState*)samplerState 
-		 DepthStencilState:(DepthStencilState*)depthStencilState 
-		   RasterizerState:(RasterizerState*)rasterizerState 
-					Effect:(Effect*)effect 
-		   TransformMatrix:(Matrix*)transformMatrix;
+- (void) beginWithSortMode:(SpriteSortMode)theSortMode 
+				BlendState:(BlendState*)theBlendState 
+			  SamplerState:(SamplerState*)theSamplerState 
+		 DepthStencilState:(DepthStencilState*)theDepthStencilState 
+		   RasterizerState:(RasterizerState*)theRasterizerState 
+					Effect:(Effect*)theEffect 
+		   TransformMatrix:(Matrix*)theTransformMatrix;
 
+- (void) draw:(Texture2D*)texture toRectangle:(Rectangle*)destinationRectangle tintWithColor:(Color*)color;
+- (void) draw:(Texture2D*)texture toRectangle:(Rectangle*)destinationRectangle fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color;
+- (void) draw:(Texture2D*)texture toRectangle:(Rectangle*)destinationRectangle fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color
+	 rotation:(float)rotation origin:(Vector2*)origin effects:(SpriteEffects)effects layerDepth:(float)layerDepth;
+
+- (void) draw:(Texture2D*)texture to:(Vector2*)position tintWithColor:(Color*)color;
+- (void) draw:(Texture2D*)texture to:(Vector2*)position fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color;
+- (void) draw:(Texture2D*)texture to:(Vector2*)position fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color
+	 rotation:(float)rotation origin:(Vector2*)origin scaleUniform:(float)scale effects:(SpriteEffects)effects layerDepth:(float)layerDepth;
+- (void) draw:(Texture2D*)texture to:(Vector2*)position fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color
+	 rotation:(float)rotation origin:(Vector2*)origin scale:(Vector2*)scale effects:(SpriteEffects)effects layerDepth:(float)layerDepth;
+
+- (void) end;
 
 @end
diff --git a/Classes/Retronator/Xni/Framework/Graphics/SpriteBatch.m b/Classes/Retronator/Xni/Framework/Graphics/SpriteBatch.m
index c9d49a1..1fff5ab 100644
--- a/Classes/Retronator/Xni/Framework/Graphics/SpriteBatch.m
+++ b/Classes/Retronator/Xni/Framework/Graphics/SpriteBatch.m
@@ -8,49 +8,421 @@
 
 #import "SpriteBatch.h"
 
+#import "Retronator.Xni.Framework.h"
 #import "Retronator.Xni.Framework.Graphics.h"
 
+@interface Sprite : NSObject
+{
+@public
+	Texture2D *texture;
+	Vector2Struct position;
+	Vector2Struct width;
+	Vector2Struct height;
+	RectangleStruct source;
+	uint color;
+	float rotation;
+	Vector2Struct origin;
+	SpriteEffects effects;
+	float layerDepth;
+}
+
+@property (nonatomic, readonly) Texture2D *texture;
+@property (nonatomic, readonly) float layerDepth;
+
+@end
+
+@implementation Sprite
+
+@synthesize texture;
+@synthesize layerDepth;
+
+@end
+
+Matrix *identity;
+
+NSArray *textureSort;
+NSArray *frontToBackSort;
+NSArray *backToFrontSort;
+
+static inline void SpriteSetSource(Sprite *sprite, Rectangle *source, Texture2D *texture) {
+	if (source) {
+		sprite->source.x = source.data->x / texture.width;
+		sprite->source.y = source.data->y / texture.height;
+		sprite->source.width = source.data->width / texture.width;
+		sprite->source.height = source.data->height / texture.height;
+	} else {
+		sprite->source.width = 1;
+		sprite->source.height = 1;
+	}
+}
+
+static inline void SpriteSetDestination(Sprite *sprite, Rectangle *destination) {
+	sprite->position.x = destination.x;
+	sprite->position.y = destination.y;
+	sprite->width.x = destination.width;
+	sprite->height.y = destination.height;
+}
+
+static inline void SpriteSetPositionFast(Sprite *sprite, Vector2 *position, Texture2D *texture) {
+	sprite->position.x = position.x;
+	sprite->position.y = position.y;
+	sprite->width.x = texture.width;
+	sprite->height.y = texture.height;
+}
+
+static inline void SpriteSetPosition(Sprite *sprite, Vector2 *position, float originX, float originY, float scaleX, float scaleY, float rotation, Texture2D *texture) {
+	float x = originX * scaleX;
+	float y = originY * scaleY;
+	float c = cos(rotation);
+	float s = sin(rotation);
+	sprite->position.x = position.x - x * c - y * s;
+	sprite->position.y = position.y - x * s + y * c;
+	sprite->width.x = texture.width * scaleX * c;
+	sprite->width.y = texture.width * scaleX * s;
+	sprite->height.x = -texture.height * scaleY * s;
+	sprite->height.y = texture.height * scaleY * c;
+}
+
+@interface SpriteBatch()
+
+- (void) apply;
+- (void) draw:(Sprite*)sprite;
+- (void) draw;
+- (void) drawFrom:(int)startIndex to:(int)endIndex;
+
+@end
+
 @implementation SpriteBatch
 
+// Recyclable vertices
+static VertexPositionColorTextureStruct vertices[4];
+
+- (id) initWithGraphicsDevice:(GraphicsDevice *)theGraphicsDevice
+{
+	self = [super initWithGraphicsDevice:theGraphicsDevice];
+	if (self != nil) {
+		basicEffect = [[BasicEffect alloc] initWithGraphicsDevice:theGraphicsDevice];
+		Matrix *projection = [Matrix createOrthographicOffCenterWithLeft:0 
+																   right:theGraphicsDevice.viewport.width 
+																  bottom:theGraphicsDevice.viewport.height 
+																	 top:0
+															  zNearPlane:0 
+															   zFarPlane:1];
+		Matrix *halfPixelOffset = [Matrix createTranslation:[Vector3 vectorWithX:-0.5f y:-0.5f z:0]];
+		
+		
+		basicEffect.projection = [Matrix multiply:halfPixelOffset by:projection];
+		basicEffect.textureEnabled = YES;
+		basicEffect.vertexColorEnabled = YES;	
+		
+		sprites = [[NSMutableArray alloc] init];
+		vertexArray = [[VertexPositionColorTextureArray alloc] initWithInitialCapacity:256];
+	}
+	return self;
+}
+
++ (void) initialize {
+	identity = [[Matrix identity] retain];
+	NSSortDescriptor *textureSortDescriptor = [[[NSSortDescriptor alloc] initWithKey:@"texture" ascending:YES] autorelease];
+	NSSortDescriptor *depthAscendingSortDescriptor = [[[NSSortDescriptor alloc] initWithKey:@"layerDepth" ascending:YES] autorelease];
+	NSSortDescriptor *depthDescendingSortDescriptor = [[[NSSortDescriptor alloc] initWithKey:@"layerDepth" ascending:NO] autorelease];
+	
+	textureSort = [[NSArray arrayWithObject:textureSortDescriptor] retain];
+	
+	// For better performance, depth sorting sorts by depth first and later also by texture.
+	frontToBackSort = [[NSArray arrayWithObjects:depthAscendingSortDescriptor, textureSortDescriptor, nil] retain];
+	backToFrontSort = [[NSArray arrayWithObjects:depthDescendingSortDescriptor, textureSortDescriptor, nil] retain];
+}
+
 - (void) begin {
 	[self beginWithSortMode:SpriteSortModeDeffered BlendState:nil SamplerState:nil DepthStencilState:nil RasterizerState:nil Effect:nil TransformMatrix:nil];
 }
 
-- (void) beginWithSortMode:(SpriteSortMode)sortMode 
-				BlendState:(BlendState*)blendState {
-	[self beginWithSortMode:sortMode BlendState:blendState SamplerState:nil DepthStencilState:nil RasterizerState:nil Effect:nil TransformMatrix:nil];
+- (void) beginWithSortMode:(SpriteSortMode)theSortMode 
+				BlendState:(BlendState*)theBlendState {
+	[self beginWithSortMode:theSortMode BlendState:theBlendState SamplerState:nil DepthStencilState:nil RasterizerState:nil Effect:nil TransformMatrix:nil];
 }
 
-- (void) beginWithSortMode:(SpriteSortMode)sortMode 
-				BlendState:(BlendState*)blendState 
-			  SamplerState:(SamplerState*)samplerState 
-		 DepthStencilState:(DepthStencilState*)depthStencilState 
-		   RasterizerState:(RasterizerState*)rasterizerState {
-	[self beginWithSortMode:sortMode BlendState:blendState SamplerState:samplerState DepthStencilState:depthStencilState RasterizerState:rasterizerState Effect:nil TransformMatrix:nil];
+- (void) beginWithSortMode:(SpriteSortMode)theSortMode 
+				BlendState:(BlendState*)theBlendState 
+			  SamplerState:(SamplerState*)theSamplerState 
+		 DepthStencilState:(DepthStencilState*)theDepthStencilState 
+		   RasterizerState:(RasterizerState*)theRasterizerState {
+	[self beginWithSortMode:theSortMode BlendState:theBlendState SamplerState:theSamplerState DepthStencilState:theDepthStencilState RasterizerState:theRasterizerState Effect:nil TransformMatrix:nil];
 }
 
-- (void) beginWithSortMode:(SpriteSortMode)sortMode 
-				BlendState:(BlendState*)blendState 
-			  SamplerState:(SamplerState*)samplerState 
-		 DepthStencilState:(DepthStencilState*)depthStencilState 
-		   RasterizerState:(RasterizerState*)rasterizerState 
-					Effect:(Effect*)effect {
-	[self beginWithSortMode:sortMode BlendState:blendState SamplerState:samplerState DepthStencilState:depthStencilState RasterizerState:rasterizerState Effect:effect TransformMatrix:nil];
+- (void) beginWithSortMode:(SpriteSortMode)theSortMode 
+				BlendState:(BlendState*)theBlendState 
+			  SamplerState:(SamplerState*)theSamplerState 
+		 DepthStencilState:(DepthStencilState*)theDepthStencilState 
+		   RasterizerState:(RasterizerState*)theRasterizerState 
+					Effect:(Effect*)theEffect {
+	[self beginWithSortMode:theSortMode BlendState:theBlendState SamplerState:theSamplerState DepthStencilState:theDepthStencilState RasterizerState:theRasterizerState Effect:theEffect TransformMatrix:nil];
 }
 
-- (void) beginWithSortMode:(SpriteSortMode)sortMode 
-				BlendState:(BlendState*)blendState 
-			  SamplerState:(SamplerState*)samplerState 
-		 DepthStencilState:(DepthStencilState*)depthStencilState 
-		   RasterizerState:(RasterizerState*)rasterizerState 
-					Effect:(Effect*)effect 
-		   TransformMatrix:(Matrix*)transformMatrix {
-
-	if (!blendState) blendState = [BlendState alphaBlend];
-	if (!samplerState) samplerState = [SamplerState linearClamp];
-	if (!depthStencilState) depthStencilState = [DepthStencilState none];
-	if (!rasterizerState) rasterizerState = [RasterizerState cullCounterClockwise];
+- (void) beginWithSortMode:(SpriteSortMode)theSortMode 
+				BlendState:(BlendState*)theBlendState 
+			  SamplerState:(SamplerState*)theSamplerState 
+		 DepthStencilState:(DepthStencilState*)theDepthStencilState 
+		   RasterizerState:(RasterizerState*)theRasterizerState 
+					Effect:(Effect*)theEffect 
+		   TransformMatrix:(Matrix*)theTransformMatrix {
 	
+	if (!theBlendState) theBlendState = [BlendState alphaBlend];
+	if (!theSamplerState) theSamplerState = [SamplerState linearClamp];
+	if (!theDepthStencilState) theDepthStencilState = [DepthStencilState none];
+	if (!theRasterizerState) theRasterizerState = [RasterizerState cullCounterClockwise];
+	if (!theEffect) theEffect = basicEffect;
+	if (!theTransformMatrix) theTransformMatrix = [Matrix identity];
+	
+	sortMode = theSortMode;
+	blendState = theBlendState;
+	depthStencilState = theDepthStencilState;
+	rasterizerState = theRasterizerState;
+	samplerState = theSamplerState;
+	
+	basicEffect.world = theTransformMatrix;
+	
+	// Immediate mode applies the device state during begin.
+	if (sortMode == SpriteSortModeImmediate) {
+		[self apply];
+	}
+	
+	beginCalled = YES;
 }
 
+- (void) draw:(Texture2D*)texture toRectangle:(Rectangle*)destinationRectangle tintWithColor:(Color*)color {
+	Sprite *sprite = [[[Sprite alloc] init] autorelease];
+	sprite->texture = texture;
+	SpriteSetDestination(sprite, destinationRectangle);
+	SpriteSetSource(sprite, nil, texture);
+	sprite->color = color.packedValue;
+	[self draw:sprite];
+}
+
+- (void) draw:(Texture2D*)texture toRectangle:(Rectangle*)destinationRectangle fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color {
+	Sprite *sprite = [[[Sprite alloc] init] autorelease];
+	sprite->texture = texture;
+	SpriteSetDestination(sprite, destinationRectangle);
+	SpriteSetSource(sprite, sourceRectangle, texture);
+	sprite->color = color.packedValue;
+	[self draw:sprite];	
+}
+
+- (void) draw:(Texture2D*)texture toRectangle:(Rectangle*)destinationRectangle fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color
+	 rotation:(float)rotation origin:(Vector2*)origin effects:(SpriteEffects)effects layerDepth:(float)layerDepth {
+	Sprite *sprite = [[[Sprite alloc] init] autorelease];
+	sprite->texture = texture;
+	SpriteSetDestination(sprite, destinationRectangle);
+	SpriteSetSource(sprite, sourceRectangle, texture);
+	sprite->color = color.packedValue;
+	sprite->rotation = rotation;
+	sprite->origin = *origin.data;
+	sprite->effects = effects;
+	sprite->layerDepth = layerDepth;
+	[self draw:sprite];		
+}
+
+- (void) draw:(Texture2D*)texture to:(Vector2*)position tintWithColor:(Color*)color {
+	Sprite *sprite = [[[Sprite alloc] init] autorelease];
+	sprite->texture = texture;
+	SpriteSetPositionFast(sprite, position, texture);
+	SpriteSetSource(sprite, nil, texture);
+	sprite->color = color.packedValue;
+	[self draw:sprite];	
+}
+
+- (void) draw:(Texture2D*)texture to:(Vector2*)position fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color {
+	Sprite *sprite = [[[Sprite alloc] init] autorelease];
+	sprite->texture = texture;
+	SpriteSetPositionFast(sprite, position, texture);
+	SpriteSetSource(sprite, sourceRectangle, texture);
+	sprite->color = color.packedValue;
+	[self draw:sprite];	
+}
+
+- (void) draw:(Texture2D*)texture to:(Vector2*)position fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color
+	 rotation:(float)rotation origin:(Vector2*)origin scaleUniform:(float)scale effects:(SpriteEffects)effects layerDepth:(float)layerDepth {
+	Sprite *sprite = [[[Sprite alloc] init] autorelease];
+	sprite->texture = texture;
+	SpriteSetPosition(sprite, position, origin.x, origin.y, scale, scale, rotation, texture);
+	sprite->source = *sourceRectangle.data;
+	sprite->color = color.packedValue;
+	sprite->rotation = rotation;
+	sprite->origin = *origin.data;
+	sprite->effects = effects;
+	sprite->layerDepth = layerDepth;
+	[self draw:sprite];			
+}
+
+- (void) draw:(Texture2D*)texture to:(Vector2*)position fromRectangle:(Rectangle*)sourceRectangle tintWithColor:(Color*)color
+	 rotation:(float)rotation origin:(Vector2*)origin scale:(Vector2*)scale effects:(SpriteEffects)effects layerDepth:(float)layerDepth {
+	Sprite *sprite = [[[Sprite alloc] init] autorelease];
+	sprite->texture = texture;
+	SpriteSetPosition(sprite, position, origin.x, origin.y, scale.x, scale.y, rotation, texture);
+	SpriteSetSource(sprite, sourceRectangle, texture);
+	sprite->color = color.packedValue;
+	sprite->rotation = rotation;
+	sprite->origin = *origin.data;
+	sprite->effects = effects;
+	sprite->layerDepth = layerDepth;
+	[self draw:sprite];		
+}
+
+- (void) draw:(Sprite *)sprite {
+	[sprites addObject:sprite];
+	
+	if (sortMode == SpriteSortModeImmediate) {
+		[self draw];
+	}
+}
+
+- (void) end {
+	if (!beginCalled) {
+		[NSException raise:@"InvalidOperationException" format:@"End was called before begin."];
+	}
+	
+	switch (sortMode) {
+		case SpriteSortModeImmediate:
+			// We've already done all the work.
+			return;
+		case SpriteSortModeTexture:
+			[sprites sortUsingDescriptors:textureSort];
+			break;
+		case SpriteSortModeBackToFront:
+			[sprites sortUsingDescriptors:backToFrontSort];
+			break;
+		case SpriteSortModeFrontToBack:
+			[sprites sortUsingDescriptors:frontToBackSort];
+			break;
+	}
+	
+	// Apply the graphics device states.
+	[self apply];
+	
+	// Render the whole array of sprites.
+	[self draw];
+	
+	// Clean up.
+	[sprites removeAllObjects];
+	beginCalled = NO;
+}
+
+- (void) apply {
+	graphicsDevice.blendState = blendState;
+	graphicsDevice.depthStencilState = depthStencilState;
+	graphicsDevice.rasterizerState = rasterizerState;
+	[graphicsDevice.samplerStates insertObject:samplerState atIndex:0];
+}
+
+- (void) draw {
+	int count = [sprites count];
+	if (count == 0) {
+		// No sprites to draw.
+		return;
+	}
+	
+	int startIndex = 0;
+	int endIndex = 0;
+	
+	// Continue until all sprites are drawn.
+	while (startIndex < count) {		
+		// Get the texture for the next batch.
+		Texture2D *currentTexture = ((Sprite*)[sprites objectAtIndex:startIndex]).texture;
+		
+		// Try to expend the end to include all sprites with the same texture.
+		if (count > 1) {	
+			while (endIndex + 1 < count && ((Sprite*)[sprites objectAtIndex:endIndex + 1]).texture == currentTexture) {
+				endIndex++;
+			}
+		}
+		
+		// Draw sprites from start to end.
+		[self drawFrom:startIndex to:endIndex];
+		
+		// Start a new batch.
+		startIndex = endIndex + 1;
+		endIndex = startIndex;
+	}
+}
+
+- (void) drawFrom:(int)startIndex to:(int)endIndex {
+	
+	// Fill the vertex array
+	for (int i = startIndex; i <= endIndex; i++) {
+		Sprite *sprite = [sprites objectAtIndex:i];
+		
+		vertices[0].position.x = sprite->position.x;
+		vertices[0].position.y = sprite->position.y;
+		vertices[0].position.z = sprite->layerDepth;
+		
+		vertices[1].position.x = vertices[0].position.x + sprite->height.x;
+		vertices[1].position.y = vertices[0].position.y + sprite->height.y;
+		vertices[1].position.z = sprite->layerDepth;
+		
+		vertices[2].position.x = vertices[0].position.x + sprite->width.x;
+		vertices[2].position.y = vertices[0].position.y + sprite->width.y;
+		vertices[2].position.z = sprite->layerDepth;
+		
+		vertices[3].position.x = vertices[0].position.x + sprite->height.x + sprite->width.x;
+		vertices[3].position.y = vertices[0].position.y + sprite->height.y + sprite->width.y;
+		vertices[3].position.z = sprite->layerDepth;
+		
+		if (sprite->effects & SpriteEffectsFlipHorizontally) {
+			vertices[0].texture.x = sprite->source.x + sprite->source.width;
+			vertices[1].texture.x = sprite->source.x + sprite->source.width;
+			vertices[2].texture.x = sprite->source.x;
+			vertices[3].texture.x = sprite->source.x;
+		} else {
+			vertices[0].texture.x = sprite->source.x;
+			vertices[1].texture.x = sprite->source.x;
+			vertices[2].texture.x = sprite->source.x + sprite->source.width;
+			vertices[3].texture.x = sprite->source.x + sprite->source.width;		
+		}
+		
+		if (sprite->effects & SpriteEffectsFlipVertically) {
+			vertices[0].texture.y = sprite->source.y + sprite->source.height;
+			vertices[1].texture.y = sprite->source.y + sprite->source.height;
+			vertices[2].texture.y = sprite->source.y;
+			vertices[3].texture.y = sprite->source.y;
+		} else {
+			vertices[0].texture.y = sprite->source.y;
+			vertices[1].texture.y = sprite->source.y + sprite->source.height;
+			vertices[2].texture.y = sprite->source.y;
+			vertices[3].texture.y = sprite->source.y + sprite->source.height;		
+		}		
+		
+		vertices[0].color = sprite->color;
+		vertices[1].color = sprite->color;
+		vertices[2].color = sprite->color;
+		vertices[3].color = sprite->color;
+		
+		[vertexArray addVertex:&vertices[0]];
+		[vertexArray addVertex:&vertices[1]];
+		[vertexArray addVertex:&vertices[2]];
+		[vertexArray addVertex:&vertices[2]];
+		[vertexArray addVertex:&vertices[1]];
+		[vertexArray addVertex:&vertices[3]];
+	}
+	
+	// Apply the effect with the texture.
+	basicEffect.texture = ((Sprite*)[sprites objectAtIndex:startIndex]).texture;
+	[[basicEffect.currentTechnique.passes objectAtIndex:0] apply];
+	
+	// Draw the vertex array.
+	int count = (endIndex - startIndex + 1) * 2;
+	[graphicsDevice drawUserPrimitivesOfType:PrimitiveTypeTriangleList vertices:vertexArray startingAt:0 count:count];
+	
+	// Clean up.
+	[vertexArray clear];
+}
+
+- (void) dealloc
+{
+	[sprites release];
+	[vertexArray release];
+	[super dealloc];
+}
+
+
 @end
diff --git a/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTexture.h b/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTexture.h
new file mode 100644
index 0000000..8362d0a
--- /dev/null
+++ b/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTexture.h
@@ -0,0 +1,19 @@
+//
+//  VertexPositionColorTexture.h
+//  XNI
+//
+//  Created by Matej Jan on 23.9.10.
+//  Copyright 2010 Retronator. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "VertexElement.h"
+
+@interface VertexPositionColorTexture : VertexElement {
+
+}
+
++ (VertexDeclaration*) vertexDeclaration;
+
+@end
diff --git a/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTexture.m b/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTexture.m
new file mode 100644
index 0000000..d08430f
--- /dev/null
+++ b/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTexture.m
@@ -0,0 +1,39 @@
+//
+//  VertexPositionColorTexture.m
+//  XNI
+//
+//  Created by Matej Jan on 23.9.10.
+//  Copyright 2010 Retronator. All rights reserved.
+//
+
+#import "VertexPositionColorTexture.h"
+
+#import "Retronator.Xni.Framework.Graphics.h"
+
+@implementation VertexPositionColorTexture
+
+VertexDeclaration *vertexDeclaration;
+
++ (void) initialize {
+    NSArray *vertexElements = [NSArray arrayWithObjects:
+							   [VertexElement vertexElementWithOffset:offsetof(VertexPositionColorTextureStruct, position) 
+															   format:VertexElementFormatVector3 
+																usage:VertexElementUsagePosition 
+														   usageIndex:0],
+							   [VertexElement vertexElementWithOffset:offsetof(VertexPositionColorTextureStruct, color) 
+															   format:VertexElementFormatColor 
+																usage:VertexElementUsageColor
+														   usageIndex:0],
+							   [VertexElement vertexElementWithOffset:offsetof(VertexPositionColorTextureStruct, texture) 
+															   format:VertexElementFormatVector2 
+																usage:VertexElementUsageTextureCoordinate
+														   usageIndex:0], nil]; 
+	
+	vertexDeclaration = [[VertexDeclaration alloc] initWithElements:vertexElements];
+}
+
++ (VertexDeclaration *) vertexDeclaration {
+	return vertexDeclaration;
+}
+
+@end
diff --git a/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTextureArray.h b/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTextureArray.h
new file mode 100644
index 0000000..e190505
--- /dev/null
+++ b/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTextureArray.h
@@ -0,0 +1,21 @@
+//
+//  VertexPositionColorTextureArray.h
+//  XNI
+//
+//  Created by Matej Jan on 23.9.10.
+//  Copyright 2010 Retronator. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "VertexArray.h"
+
+@interface VertexPositionColorTextureArray : VertexArray {
+
+}
+
+- (id) initWithInitialCapacity:(int)initialCapacity;
+
+- (void) addVertex:(VertexPositionColorTextureStruct*)vertex;
+
+@end
diff --git a/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTextureArray.m b/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTextureArray.m
new file mode 100644
index 0000000..92e3183
--- /dev/null
+++ b/Classes/Retronator/Xni/Framework/Graphics/VertexPositionColorTextureArray.m
@@ -0,0 +1,29 @@
+//
+//  VertexPositionColorTextureArray.m
+//  XNI
+//
+//  Created by Matej Jan on 23.9.10.
+//  Copyright 2010 Retronator. All rights reserved.
+//
+
+#import "VertexPositionColorTextureArray.h"
+
+#import "Retronator.Xni.Framework.Graphics.h"
+
+@implementation VertexPositionColorTextureArray
+
+- (id) initWithInitialCapacity:(int)initialCapacity {
+	if (self = [super initWithItemSize:sizeof(VertexPositionColorTextureStruct) initialCapacity:initialCapacity]) {
+	}
+	return self;
+}
+
+- (VertexDeclaration *) vertexDeclaration { 
+	return [VertexPositionColorTexture vertexDeclaration];
+}
+
+- (void) addVertex:(VertexPositionColorTextureStruct*)vertex {
+	[super addVertex:vertex];
+}
+
+@end
diff --git a/Classes/Retronator/Xni/Framework/Graphics/Viewport.h b/Classes/Retronator/Xni/Framework/Graphics/Viewport.h
new file mode 100644
index 0000000..66cdd87
--- /dev/null
+++ b/Classes/Retronator/Xni/Framework/Graphics/Viewport.h
@@ -0,0 +1,31 @@
+//
+//  Viewport.h
+//  XNI
+//
+//  Created by Matej Jan on 23.9.10.
+//  Copyright 2010 Retronator. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "Retronator.Xni.Framework.classes.h"
+
+@interface Viewport : NSObject {
+	int height;
+	float maxDepth;
+	float minDepth;
+	int width;
+	int x;
+	int y;
+}
+
+@property (nonatomic, readonly) float aspectRatio;
+@property (nonatomic) int height;
+@property (nonatomic) float maxDepth;
+@property (nonatomic) float minDepth;
+@property (nonatomic, readonly) Rectangle *titleSafeArea;
+@property (nonatomic) int width;
+@property (nonatomic) int x;
+@property (nonatomic) int y;
+
+@end
diff --git a/Classes/Retronator/Xni/Framework/Graphics/Viewport.m b/Classes/Retronator/Xni/Framework/Graphics/Viewport.m
new file mode 100644
index 0000000..119cabf
--- /dev/null
+++ b/Classes/Retronator/Xni/Framework/Graphics/Viewport.m
@@ -0,0 +1,32 @@
+//
+//  Viewport.m
+//  XNI
+//
+//  Created by Matej Jan on 23.9.10.
+//  Copyright 2010 Retronator. All rights reserved.
+//
+
+#import "Viewport.h"
+
+#import "Retronator.Xni.Framework.h"
+
+@implementation Viewport
+
+- (float) aspectRatio {
+	return (float)width/(float)height;
+}
+
+@synthesize height;
+@synthesize maxDepth;
+@synthesize minDepth;
+
+- (Rectangle *) titleSafeArea {
+	int border = height * 0.05;
+	return [Rectangle rectangleWithX:x + border y:y + border width:width - 2 * border height:height - 2* border];
+}
+
+@synthesize width;
+@synthesize x;
+@synthesize y;
+
+@end
diff --git a/Classes/Retronator/Xni/Framework/Matrix.h b/Classes/Retronator/Xni/Framework/Matrix.h
index 34c8d91..6fb9799 100644
--- a/Classes/Retronator/Xni/Framework/Matrix.h
+++ b/Classes/Retronator/Xni/Framework/Matrix.h
@@ -26,8 +26,18 @@
 + (Matrix*) createFromAxis:(Vector3*)axis angle:(float)angle;
 + (Matrix*) createFromQuaternion:(Quaternion*)quaternion;
 + (Matrix*) createLookAtFrom:(Vector3*)position to:(Vector3*)target up:(Vector3*)up;
-+ (Matrix*) createPerspectiveWithWidth:(float)width height:(float)height nearPlane:(float)nearPlane farPlane:(float)farPlane;
-+ (Matrix*) createPerspectiveFieldOfView:(float)fieldOfView aspectRatio:(float)aspectRatio nearPlane:(float)nearPlane farPlane:(float)farPlane;
++ (Matrix*) createOrthographicWithWidth:(float)width height:(float)height 
+							 zNearPlane:(float)zNearPlane zFarPlane:(float)zFarPlane;
++ (Matrix*) createOrthographicOffCenterWithLeft:(float)left right:(float)right 
+										 bottom:(float)bottom top:(float)top 
+									 zNearPlane:(float)zNearPlane zFarPlane:(float)zFarPlane;
++ (Matrix*) createPerspectiveWithWidth:(float)width height:(float)height 
+					 nearPlaneDistance:(float)nearPlaneDistance farPlaneDistance:(float)farPlaneDistance;
++ (Matrix*) createPerspectiveFieldOfView:(float)fieldOfView aspectRatio:(float)aspectRatio
+					   nearPlaneDistance:(float)nearPlaneDistance farPlaneDistance:(float)farPlaneDistance;
++ (Matrix*) createPerspectiveOffCenterWithLeft:(float)left right:(float)right
+										bottom:(float)bottom top:(float)top  
+							 nearPlaneDistance:(float)nearPlaneDistance farPlaneDistance:(float)farPlaneDistance;
 + (Matrix*) createWorldAtPosition:(Vector3*)position forward:(Vector3*)forward up:(Vector3*)up;
 
 @property (nonatomic, readonly) MatrixStruct *data;
diff --git a/Classes/Retronator/Xni/Framework/Matrix.m b/Classes/Retronator/Xni/Framework/Matrix.m
index 61305ba..9ae07a2 100644
--- a/Classes/Retronator/Xni/Framework/Matrix.m
+++ b/Classes/Retronator/Xni/Framework/Matrix.m
@@ -123,20 +123,72 @@
     return matrix;
 }
 
-+ (Matrix*) createPerspectiveWithWidth:(float)width height:(float)height nearPlane:(float)nearPlane farPlane:(float)farPlane {
++ (Matrix*) createOrthographicWithWidth:(float)width height:(float)height 
+							 zNearPlane:(float)zNearPlane zFarPlane:(float)zFarPlane {
+	
     Matrix *matrix = [Matrix zero];
-    matrix.data->m11 = (2 * nearPlane) / width;
-    matrix.data->m22 = (2 * nearPlane) / height;
-    matrix.data->m33 = farPlane / (nearPlane - farPlane);
-    matrix.data->m34 = -1;
-    matrix.data->m43 = nearPlane * farPlane / (nearPlane - farPlane);
-    return matrix;    
+    matrix.data->m11 = 2 / width;
+    matrix.data->m22 = 2 / height;
+    matrix.data->m33 = 1 / (zNearPlane - zFarPlane);
+    matrix.data->m43 = zNearPlane / (zNearPlane - zFarPlane);
+    matrix.data->m44 = 1;
+	return matrix; 
 }
 
-+ (Matrix*) createPerspectiveFieldOfView:(float)fieldOfView aspectRatio:(float)aspectRatio nearPlane:(float)nearPlane farPlane:(float)farPlane{
-    float width = 2 * nearPlane * tanf(fieldOfView * 0.5f);
-    float height = width / aspectRatio;
-    return [Matrix createPerspectiveWithWidth:width height:height nearPlane:nearPlane farPlane:farPlane];
++ (Matrix*) createOrthographicOffCenterWithLeft:(float)left right:(float)right
+										 bottom:(float)bottom top:(float)top 
+									 zNearPlane:(float)zNearPlane zFarPlane:(float)zFarPlane {
+	
+    Matrix *matrix = [Matrix zero];
+    matrix.data->m11 = 2 / (right - left);
+    matrix.data->m22 = 2 / (top - bottom);
+    matrix.data->m33 = 1 / (zNearPlane - zFarPlane);
+    matrix.data->m41 = (left + right) / (left - right);
+    matrix.data->m42 = (top + bottom) / (bottom - top);
+    matrix.data->m43 = zNearPlane / (zNearPlane - zFarPlane);
+    matrix.data->m44 = 1;
+	return matrix; 
+}
+
++ (Matrix*) createPerspectiveWithWidth:(float)width height:(float)height
+					 nearPlaneDistance:(float)nearPlaneDistance farPlaneDistance:(float)farPlaneDistance {
+	
+    Matrix *matrix = [Matrix zero];
+    matrix.data->m11 = (2 * nearPlaneDistance) / width;
+    matrix.data->m22 = (2 * nearPlaneDistance) / height;
+    matrix.data->m33 = farPlaneDistance / (nearPlaneDistance - farPlaneDistance);
+    matrix.data->m34 = -1;
+    matrix.data->m43 = nearPlaneDistance * farPlaneDistance / (nearPlaneDistance - farPlaneDistance);
+    return matrix; 
+}
+
++ (Matrix*) createPerspectiveFieldOfView:(float)fieldOfView aspectRatio:(float)aspectRatio 
+					   nearPlaneDistance:(float)nearPlaneDistance farPlaneDistance:(float)farPlaneDistance {
+	
+	float yScale = 1.0f / tanf(fieldOfView / 2.0f);
+	float xScale = yScale / aspectRatio;
+    Matrix *matrix = [Matrix zero];
+    matrix.data->m11 = xScale;
+    matrix.data->m22 = yScale;
+    matrix.data->m33 = farPlaneDistance / (nearPlaneDistance - farPlaneDistance);
+    matrix.data->m34 = -1;
+    matrix.data->m43 = nearPlaneDistance * farPlaneDistance / (nearPlaneDistance - farPlaneDistance);
+    return matrix; 
+}
+
++ (Matrix*) createPerspectiveOffCenterWithLeft:(float)left right:(float)right 
+										bottom:(float)bottom top:(float)top 
+							 nearPlaneDistance:(float)nearPlaneDistance farPlaneDistance:(float)farPlaneDistance {
+	
+	Matrix *matrix = [Matrix zero];
+    matrix.data->m11 = (2 * nearPlaneDistance) / (right - left);
+    matrix.data->m22 = (2 * nearPlaneDistance) / (top - bottom);
+    matrix.data->m31 = (2 * nearPlaneDistance) / (left + right) / (right - left);
+	matrix.data->m31 = (2 * nearPlaneDistance) / (top + bottom) / (top - bottom);
+	matrix.data->m33 = farPlaneDistance / (nearPlaneDistance - farPlaneDistance);
+    matrix.data->m34 = -1;
+    matrix.data->m43 = nearPlaneDistance * farPlaneDistance / (nearPlaneDistance - farPlaneDistance);
+    return matrix; 
 }
 
 + (Matrix*) createWorldAtPosition:(Vector3 *)position forward:(Vector3 *)forward up:(Vector3 *)up {
diff --git a/XNI.xcodeproj/project.pbxproj b/XNI.xcodeproj/project.pbxproj
index cd4f8e0..fdf5c63 100644
--- a/XNI.xcodeproj/project.pbxproj
+++ b/XNI.xcodeproj/project.pbxproj
@@ -29,6 +29,12 @@
 		B56CC5C8123A928A00B72347 /* ContentTypeReaderManager.m in Sources */ = {isa = PBXBuildFile; fileRef = B56CC5C6123A928A00B72347 /* ContentTypeReaderManager.m */; };
 		B56CC5CB123A92BB00B72347 /* Texture2DContentTypeReader.h in Headers */ = {isa = PBXBuildFile; fileRef = B56CC5C9123A92BB00B72347 /* Texture2DContentTypeReader.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		B56CC5CC123A92BB00B72347 /* Texture2DContentTypeReader.m in Sources */ = {isa = PBXBuildFile; fileRef = B56CC5CA123A92BB00B72347 /* Texture2DContentTypeReader.m */; };
+		B57E3665124BC23E00DDAA42 /* Viewport.h in Headers */ = {isa = PBXBuildFile; fileRef = B57E3663124BC23E00DDAA42 /* Viewport.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		B57E3666124BC23E00DDAA42 /* Viewport.m in Sources */ = {isa = PBXBuildFile; fileRef = B57E3664124BC23E00DDAA42 /* Viewport.m */; };
+		B57E36BE124BE2DD00DDAA42 /* VertexPositionColorTexture.h in Headers */ = {isa = PBXBuildFile; fileRef = B57E36BC124BE2DD00DDAA42 /* VertexPositionColorTexture.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		B57E36BF124BE2DD00DDAA42 /* VertexPositionColorTexture.m in Sources */ = {isa = PBXBuildFile; fileRef = B57E36BD124BE2DD00DDAA42 /* VertexPositionColorTexture.m */; };
+		B57E36CC124BE36E00DDAA42 /* VertexPositionColorTextureArray.h in Headers */ = {isa = PBXBuildFile; fileRef = B57E36CA124BE36E00DDAA42 /* VertexPositionColorTextureArray.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		B57E36CD124BE36E00DDAA42 /* VertexPositionColorTextureArray.m in Sources */ = {isa = PBXBuildFile; fileRef = B57E36CB124BE36E00DDAA42 /* VertexPositionColorTextureArray.m */; };
 		B59AD7F01236E07300F99511 /* ContentImporter.h in Headers */ = {isa = PBXBuildFile; fileRef = B59AD7EE1236E07300F99511 /* ContentImporter.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		B59AD7F11236E07300F99511 /* ContentImporter.m in Sources */ = {isa = PBXBuildFile; fileRef = B59AD7EF1236E07300F99511 /* ContentImporter.m */; };
 		B59AD80C1236E21900F99511 /* Retronator.Xni.Framework.Content.Pipeline.h in Headers */ = {isa = PBXBuildFile; fileRef = B59AD80B1236E21900F99511 /* Retronator.Xni.Framework.Content.Pipeline.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -197,6 +203,12 @@
 		B56CC5C6123A928A00B72347 /* ContentTypeReaderManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ContentTypeReaderManager.m; sourceTree = "<group>"; };
 		B56CC5C9123A92BB00B72347 /* Texture2DContentTypeReader.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Texture2DContentTypeReader.h; sourceTree = "<group>"; };
 		B56CC5CA123A92BB00B72347 /* Texture2DContentTypeReader.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Texture2DContentTypeReader.m; sourceTree = "<group>"; };
+		B57E3663124BC23E00DDAA42 /* Viewport.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Viewport.h; sourceTree = "<group>"; };
+		B57E3664124BC23E00DDAA42 /* Viewport.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Viewport.m; sourceTree = "<group>"; };
+		B57E36BC124BE2DD00DDAA42 /* VertexPositionColorTexture.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VertexPositionColorTexture.h; sourceTree = "<group>"; };
+		B57E36BD124BE2DD00DDAA42 /* VertexPositionColorTexture.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = VertexPositionColorTexture.m; sourceTree = "<group>"; };
+		B57E36CA124BE36E00DDAA42 /* VertexPositionColorTextureArray.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = VertexPositionColorTextureArray.h; sourceTree = "<group>"; };
+		B57E36CB124BE36E00DDAA42 /* VertexPositionColorTextureArray.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = VertexPositionColorTextureArray.m; sourceTree = "<group>"; };
 		B59AD7EE1236E07300F99511 /* ContentImporter.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ContentImporter.h; sourceTree = "<group>"; };
 		B59AD7EF1236E07300F99511 /* ContentImporter.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ContentImporter.m; sourceTree = "<group>"; };
 		B59AD80B1236E21900F99511 /* Retronator.Xni.Framework.Content.Pipeline.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Retronator.Xni.Framework.Content.Pipeline.h; sourceTree = "<group>"; };
@@ -502,6 +514,8 @@
 				B5EA636E124917E2001245A4 /* VertexPositionColor.m */,
 				B5EA65511249482D001245A4 /* VertexPositionTexture.h */,
 				B5EA65521249482D001245A4 /* VertexPositionTexture.m */,
+				B57E36BC124BE2DD00DDAA42 /* VertexPositionColorTexture.h */,
+				B57E36BD124BE2DD00DDAA42 /* VertexPositionColorTexture.m */,
 				B5BBC2AC1248F0C40066F5ED /* VertexDeclaration.h */,
 				B5BBC2AD1248F0C40066F5ED /* VertexDeclaration.m */,
 				B5EA638D1249229D001245A4 /* VertexArray.h */,
@@ -510,6 +524,8 @@
 				B5EA655F1249495C001245A4 /* VertexPositionColorArray.m */,
 				B5EA657612494AC3001245A4 /* VertexPositionTextureArray.h */,
 				B5EA657712494AC3001245A4 /* VertexPositionTextureArray.m */,
+				B57E36CA124BE36E00DDAA42 /* VertexPositionColorTextureArray.h */,
+				B57E36CB124BE36E00DDAA42 /* VertexPositionColorTextureArray.m */,
 				B5BBC2D01248F98D0066F5ED /* VertexBuffer.h */,
 				B5BBC2D11248F98D0066F5ED /* VertexBuffer.m */,
 				B5BBC2EA1248FC7A0066F5ED /* VertexBufferBinding.h */,
@@ -528,6 +544,8 @@
 				B5BBC1DF1248D5640066F5ED /* SamplerStateCollection.m */,
 				B5BBC1EF1248D6090066F5ED /* TextureCollection.h */,
 				B5BBC1F01248D6090066F5ED /* TextureCollection.m */,
+				B57E3663124BC23E00DDAA42 /* Viewport.h */,
+				B57E3664124BC23E00DDAA42 /* Viewport.m */,
 				B5DDE82A11FF10EF000DB38B /* IGraphicsDeviceService.h */,
 				B5DDE85A11FF1326000DB38B /* GraphicsDevice.h */,
 				B5DDE85B11FF1326000DB38B /* GraphicsDevice.m */,
@@ -736,6 +754,9 @@
 				B5EA65D7124952C9001245A4 /* EffectTechnique.h in Headers */,
 				B5EA660212495618001245A4 /* BasicEffect.h in Headers */,
 				B5EA660D124956CE001245A4 /* DirectionalLight.h in Headers */,
+				B57E3665124BC23E00DDAA42 /* Viewport.h in Headers */,
+				B57E36BE124BE2DD00DDAA42 /* VertexPositionColorTexture.h in Headers */,
+				B57E36CC124BE36E00DDAA42 /* VertexPositionColorTextureArray.h in Headers */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -852,6 +873,9 @@
 				B5EA65D8124952C9001245A4 /* EffectTechnique.m in Sources */,
 				B5EA660312495618001245A4 /* BasicEffect.m in Sources */,
 				B5EA660E124956CE001245A4 /* DirectionalLight.m in Sources */,
+				B57E3666124BC23E00DDAA42 /* Viewport.m in Sources */,
+				B57E36BF124BE2DD00DDAA42 /* VertexPositionColorTexture.m in Sources */,
+				B57E36CD124BE36E00DDAA42 /* VertexPositionColorTextureArray.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};