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Unity - Scripting API: Graphics.ConvertTexture

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Declaration

public static bool ConvertTexture(Texture src, Texture dst);

Declaration

public static bool ConvertTexture(Texture src, int srcElement, Texture dst, int dstElement);

Parameters

Parameter Description
src The source texture. The TextureDimension must be Tex2D or Cube.
dst The destination texture. The TextureDimension must be Tex2D, Tex2DArray, Cube, or CubeArray. The texture must also be uncompressed and correspond to a supported RenderTextureFormat.
srcElement The element in the source texture to copy from. Use CubemapFace if src is a Cubemap. Set the value to 0 if src is a 2D texture.
dstElement The element in the source texture to copy to. For example, the CubemapFace in a Cubemap or the slice in a texture array. Set the value to 0 if `dst` is a 2D texture.

Returns

bool true if the method succeeded.

Description

Copies the pixel data from one texture, converts the data into a different format, and copies it into another texture.

This method converts and copies pixel data from one texture to another on the GPU.

When you use ConvertTexture, Unity does the following:

  1. Creates a temporary RenderTexture that matches the size and format of the dst texture.
  2. Uses Graphics.Blit to copy from the src texture to the temporary render texture, and converts to the format of dst.
  3. Uses Graphics.CopyTexture to copy from the temporary render texture to the dst texture.

This means it might be faster to convert the texture before you load it into Unity. Alternatively, if you can create dst as a render texture (or a graphics texture with GraphicsTextureDescriptorFlags.RenderTarget enabled), you can use Graphics.Blit instead.

You can use textures with different sizes for src and dst.

ConvertTexture doesn't support the following conversions: