Method

CoglTextureget_data

Declaration [src]

int
cogl_texture_get_data (
  CoglTexture* texture,
  CoglPixelFormat format,
  unsigned int rowstride,
  uint8_t* data
)

Description [src]

Copies the pixel data from a cogl texture to system memory.

Don’t pass the value of cogl_texture_get_rowstride() as the rowstride argument, the rowstride should be the rowstride you want for the destination data buffer not the rowstride of the source texture

Parameters

`format`	`CoglPixelFormat`
	The `CoglPixelFormat` to store the texture as.
`rowstride`	`unsigned int`
	The rowstride of `data` in bytes or pass 0 to calculate from the bytes-per-pixel of `format` multiplied by the `texture` width.
`data`	An array of `uint8_t`
	Memory location to write the `texture`‘s contents, or `NULL` to only query the data size through the return value.
	The argument can be `NULL`.
	The data is owned by the caller of the function.

Return value

Returns:	`int`
	The size of the texture data in bytes.