DxSetTexturePixels: Difference between revisions

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This function sets the [[Texture_pixels|pixels]] of a [[texture]] element. It can be used with a standard texture, render target or screen source. Only ''''plain'''' format pixels please.
This function sets the [[Texture_pixels|pixels]] of a [[texture]] element. It can be used with a standard texture, render target or screen source. Only ''''plain'''' format pixels please.


----
{{Note|
''Performance note:
* This function is slow and not something you want to be doing once a frame.
*''This function is slow and not something you want to be doing once a frame.''
* It is very slow when setting pixels to a render target or screen source.
*''It is very slow when setting pixels to a render target or screen source.''
* And is very slow indeed if the texture format is not '''"argb"'''.
*''And is very slow indeed if the texture format is not ''' 'argb' ''' ''
}}
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==Syntax==  
==Syntax==  

Revision as of 08:37, 14 May 2017

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This function sets the pixels of a texture element. It can be used with a standard texture, render target or screen source. Only 'plain' format pixels please.

[[{{{image}}}|link=|]] Note:
  • This function is slow and not something you want to be doing once a frame.
  • It is very slow when setting pixels to a render target or screen source.
  • And is very slow indeed if the texture format is not "argb".

Syntax

bool dxSetTexturePixels ( [ int surfaceIndex = 0, ] element texture, string pixels [, int x = 0, int y = 0, int width = 0, int height = 0 ] )

OOP Syntax Help! I don't understand this!

Method: texture:setPixels(...)


Required Arguments

  • texture : The texture element to set the pixels of
  • pixels : The 'plain' format pixels to use

Optional Arguments

  • surfaceIndex: Desired slice to set if the texture is a volume texture, or desired face to set if the texture is a cube map. (Cube map faces: 0=+X 1=-X 2=+Y 3=-Y 4=+Z 5=-Z)

By default the pixels are set starting at the top left corner of the texture. To set a different region, define a rectangular area using all four of these optional arguments:

  • x: Rectangle left position
  • y: Rectangle top position
  • width: Rectangle width
  • height : Rectangle height

Returns

Returns a string if successful, false if invalid arguments were passed to the function.

Example

TODO

Requirements

This template will be deleted.

Changelog

Version Description
1.3.0-9.04021 Added surfaceIndex argument

See Also


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