135 lines
4.2 KiB
Ucode
135 lines
4.2 KiB
Ucode
|
/**
|
||
|
|
* TextureRenderTarget2D
|
||
|
|
*
|
||
|
|
* 2D render target texture resource. This can be used as a target
|
||
|
|
* for rendering as well as rendered as a regular 2D texture resource.
|
||
|
|
*
|
||
|
|
* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
|
||
|
|
*/
|
||
|
|
class TextureRenderTarget2D extends TextureRenderTarget
|
||
|
|
native(Texture)
|
||
|
|
hidecategories(Object)
|
||
|
|
hidecategories(Texture);
|
||
|
|
|
||
|
|
/** The width of the texture. */
|
||
|
|
var() const int SizeX;
|
||
|
|
|
||
|
|
/** The height of the texture. */
|
||
|
|
var() const int SizeY;
|
||
|
|
|
||
|
|
/** The format of the texture data. */
|
||
|
|
var const EPixelFormat Format;
|
||
|
|
|
||
|
|
/** the color the texture is cleared to */
|
||
|
|
var const private LinearColor ClearColor;
|
||
|
|
|
||
|
|
/** The addressing mode to use for the X axis. */
|
||
|
|
var() TextureAddress AddressX;
|
||
|
|
|
||
|
|
/** The addressing mode to use for the Y axis. */
|
||
|
|
var() TextureAddress AddressY;
|
||
|
|
|
||
|
|
/** True to force linear gamma space for this render target */
|
||
|
|
var() const transient bool bForceLinearGamma;
|
||
|
|
|
||
|
|
|
||
|
|
cpptext
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* Initialize the settings needed to create a render target texture
|
||
|
|
* and create its resource
|
||
|
|
* @param InSizeX - width of the texture
|
||
|
|
* @param InSizeY - height of the texture
|
||
|
|
* @param InFormat - format of the texture
|
||
|
|
* @param bInForceLinearGame - forces render target to use linear gamma space
|
||
|
|
*/
|
||
|
|
void Init(UINT InSizeX, UINT InSizeY, EPixelFormat InFormat, UBOOL bInForceLinearGamma=FALSE);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Utility for creating a new UTexture2D from a TextureRenderTarget2D
|
||
|
|
* TextureRenderTarget2D must be square and a power of two size.
|
||
|
|
* @param Outer - Outer to use when constructing the new Texture2D.
|
||
|
|
* @param NewTexName - Name of new UTexture2D object.
|
||
|
|
* @param ObjectFlags - Flags to apply to the new Texture2D object
|
||
|
|
* @param Flags - Various control flags for operation (see EConstructTextureFlags)
|
||
|
|
* @param AlphaOverride - If specified, the values here will become the alpha values in the resulting texture
|
||
|
|
* @param bSaveSourceArt - If true, source art will be saved.
|
||
|
|
* @return New UTexture2D object.
|
||
|
|
*/
|
||
|
|
UTexture2D* ConstructTexture2D(UObject* Outer, const FString& NewTexName, EObjectFlags ObjectFlags, DWORD Flags=CTF_Default, TArray<BYTE>* AlphaOverride=NULL, UBOOL bSaveSourceArt=FALSE);
|
||
|
|
|
||
|
|
// USurface interface
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return width of surface
|
||
|
|
*/
|
||
|
|
virtual FLOAT GetSurfaceWidth() const { return SizeX; }
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return height of surface
|
||
|
|
*/
|
||
|
|
virtual FLOAT GetSurfaceHeight() const { return SizeY; }
|
||
|
|
|
||
|
|
// UTexture interface.
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a new 2D render target texture resource
|
||
|
|
* @return newly created FTextureRenderTarget2DResource
|
||
|
|
*/
|
||
|
|
virtual FTextureResource* CreateResource();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Materials should treat a render target 2D texture like a regular 2D texture resource.
|
||
|
|
* @return EMaterialValueType for this resource
|
||
|
|
*/
|
||
|
|
virtual EMaterialValueType GetMaterialType();
|
||
|
|
|
||
|
|
// UObject interface
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Called when any property in this object is modified in UnrealEd
|
||
|
|
* @param PropertyThatChanged - changed property
|
||
|
|
*/
|
||
|
|
virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Called after the object has been loaded
|
||
|
|
*/
|
||
|
|
virtual void PostLoad();
|
||
|
|
|
||
|
|
// Editor thumbnail interface.
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a one line description of an object for viewing in the thumbnail view of the generic browser
|
||
|
|
*/
|
||
|
|
virtual FString GetDesc();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns detailed info to populate listview columns
|
||
|
|
*/
|
||
|
|
virtual FString GetDetailedDescription( INT InIndex );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Serialize properties (used for backwards compatibility with main branch)
|
||
|
|
*/
|
||
|
|
virtual void Serialize(FArchive& Ar);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the size of the object/ resource for display to artists/ LDs in the Editor.
|
||
|
|
*
|
||
|
|
* @return size of resource as to be displayed to artists/ LDs in the Editor.
|
||
|
|
*/
|
||
|
|
INT GetResourceSize();
|
||
|
|
}
|
||
|
|
|
||
|
|
/** creates and initializes a new TextureRenderTarget2D with the requested settings */
|
||
|
|
static native noexport final function TextureRenderTarget2D Create(int InSizeX, int InSizeY, optional EPixelFormat InFormat = PF_A8R8G8B8, optional LinearColor InClearColor, optional bool bOnlyRenderOnce );
|
||
|
|
|
||
|
|
defaultproperties
|
||
|
|
{
|
||
|
|
// must be a supported format
|
||
|
|
Format=PF_A8R8G8B8
|
||
|
|
|
||
|
|
ClearColor=(R=0.0,G=1.0,B=0.0,A=1.0)
|
||
|
|
}
|