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  3. FOpenGLTexture

FOpenGLTexture

API > API/Runtime > API/Runtime/OpenGLDrv

Inheritance Hierarchy

References

   
Module OpenGLDrv
Header /Engine/Source/Runtime/OpenGLDrv/Public/OpenGLResources.h
Include #include "OpenGLResources.h"

Syntax

class FOpenGLTexture :  
    public FRHITexture,  
    public FOpenGLViewableResource

Variables

  Type Name Description
Public variable GLenum const Attachment The OpenGL attachment point.
Public variable uint8 const: 1 bAlias  
Public variable uint8 const: 1 bArrayTexture  
Public variable uint8 const: 1 bCanCreateAsEvicted  
Public variable uint8 const: 1 bCubemap  
Public variable uint8 const: 1 bDepthStencil  
Public variable uint8 const: 1 bIsPowerOfTwo  
Public variable uint8 const: 1 bMultisampleRenderbuffer  
Public variable uint8 const: 1 bStreamable  
Public variable TUniquePtr< FTextureEvictionParams > EvictionParamsPtr  
Public variable uint32 const MemorySize  
Public variable FOpenGLSamplerState * SamplerState Pointer to current sampler state in this unit.
Public variable GLenum const Target The OpenGL texture target.

Constructors

  Type Name Description
Public function   Standard constructor.
Public function  

FOpenGLTexture ( FOpenGLTextureCreateDesc const& CreateDesc,
GLuint Resource
)

 Constructor for external resources (RHICreateTexture2DFromResource etc).
Public function    

Destructors

  Type Name Description
Public function Virtual    

Functions

  Type Name Description
Public function void  
Public function bool  
Public function void

CloneViaCopyImage ( FOpenGLTexture* Src,
uint32 InNumMips,
int32 SrcOffset,
int32 DstOffset
)

 Clone texture from a source using CopyImageSubData
Public function Const bool

GetAllocatedStorageForMip ( uint32 MipIndex,
uint32 FaceIndex
)

 Accessors to mark whether or not we have allocated storage for each mip/face.
Public function uint32

GetLockSize ( uint32 MipIndex,
uint32 ArrayIndex,
EResourceLockMode LockMode,
uint32& DestStride
)

 Returns the size of the memory block that is returned from Lock, threadsafe
Public function Const GLuint GetRawResourceName - A const accessor to the resource name, this could potentially be an evicted resource.
Public function Const const GLuint & GetRawResourceNameRef - A const accessor to the resource name, this could potentially be an evicted resource.
Public function GLuint  
Public function GLuint &  
Public function Const bool  
Public function void *

Lock ( uint32 MipIndex,
uint32 ArrayIndex,
EResourceLockMode LockMode,
uint32& DestStride
)

 Locks one of the texture's mip-maps.
Public function void

Resolve ( uint32 MipIndex,
uint32 ArrayIndex
)

 Resolved the specified face for a read Lock, for non-renderable, CPU readable surfaces this eliminates the readback inside Lock itself.
Public function void

RestoreEvictedGLResource ( bool bAttemptToRetainMips
)

 Texture eviction.
Public function void

SetAllocatedStorage ( bool bInAllocatedStorage
)

 Set allocated storage state for all mip/faces.
Public function void

SetAllocatedStorageForMip ( uint32 MipIndex,
uint32 FaceIndex
)

  
Public function void

SetResource ( GLuint InResource
)

  
Public function void  
Public function void

Unlock ( uint32 MipIndex,
uint32 ArrayIndex
)

 Unlocks a previously locked mip-map.

Overridden from FRHITexture

  Type Name Description
Public function Virtual Const void * FRHITexture override.
Public function Virtual void * Returns access to the platform-specific RHI texture baseclass.

Enums

  Type Name Description
Public enum EAliasConstructorParam Constructor for RHICreateAliasedTexture.  

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