-struct pipe_buffer *
-identity_buffer_create(struct identity_screen *id_screen,
- struct pipe_buffer *buffer)
-{
- struct identity_buffer *id_buffer;
-
- if(!buffer)
- goto error;
-
- assert(buffer->screen == id_screen->screen);
-
- id_buffer = CALLOC_STRUCT(identity_buffer);
- if(!id_buffer)
- goto error;
-
- memcpy(&id_buffer->base, buffer, sizeof(struct pipe_buffer));
-
- pipe_reference_init(&id_buffer->base.reference, 1);
- id_buffer->base.screen = &id_screen->base;
- id_buffer->buffer = buffer;
-
- return &id_buffer->base;
-
-error:
- pipe_buffer_reference(&buffer, NULL);
- return NULL;
-}
-
-void
-identity_buffer_destroy(struct identity_buffer *id_buffer)
-{
- pipe_buffer_reference(&id_buffer->buffer, NULL);
- FREE(id_buffer);
-}