Method

CoglRenderercreate_dma_buf

Declaration [src]

CoglDmaBufHandle*
cogl_renderer_create_dma_buf (
  CoglRenderer* renderer,
  CoglPixelFormat format,
  uint64_t* modifiers,
  int n_modifiers,
  int width,
  int height,
  GError** error
)

Description [src]

Creates a new CoglFramebuffer with width x height, with pixel format format, and exports the new framebuffer’s DMA buffer handle.

Passing an empty modifier array (passing a 0 n_modifiers) means implicit modifiers will be used.

This method is not directly available to language bindings.

Parameters

format

Type: CoglPixelFormat

A CoglPixelFormat.

modifiers

Type: uint64_t*

Array of DRM format modifiers.

The data is owned by the caller of the method.
n_modifiers

Type: int

Length of modifiers array.

width

Type: int

Width of the new.

height

Type: int

Height of the new.

error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.
If the return location is not NULL, then you must initialize it to a NULL GError*.
The argument will be left initialized to NULL by the method if there are no errors.
In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: CoglDmaBufHandle

A CoglDmaBufHandle. The return result must be released with cogl_dma_buf_handle_free() after use.

The caller of the method takes ownership of the returned data, and is responsible for freeing it.
The return value can be NULL.