Documentation for <wlr/render/wlr_renderer.h>
Table of contents
- wlr_render_timer_create()
- wlr_render_timer_destroy()
- wlr_render_timer_get_duration_ns()
- struct wlr_renderer
- wlr_renderer_autocreate()
- wlr_renderer_destroy()
- wlr_renderer_get_dmabuf_texture_formats()
- wlr_renderer_get_drm_fd()
- wlr_renderer_get_shm_texture_formats()
- wlr_renderer_init_wl_display()
- wlr_renderer_init_wl_shm()
wlr_render_timer_create() ¶
struct wlr_render_timer *wlr_render_timer_create(struct wlr_renderer *renderer);
Allocate and initialise a new render timer.
wlr_render_timer_destroy() ¶
void wlr_render_timer_destroy(struct wlr_render_timer *timer);
Destroy the render timer.
wlr_render_timer_get_duration_ns() ¶
int wlr_render_timer_get_duration_ns(struct wlr_render_timer *timer);
Get the render duration in nanoseconds from the timer.
Returns -1 if the duration is unavailable.
struct wlr_renderer ¶
struct wlr_renderer { struct { struct wl_signal destroy; /** * Emitted when the GPU is lost, e.g. on GPU reset. * * Compositors should destroy the renderer and re-create it. */ struct wl_signal lost; } events; // private state const struct wlr_renderer_impl *impl; };
A renderer for basic 2D operations.
wlr_renderer_autocreate() ¶
struct wlr_renderer *wlr_renderer_autocreate(struct wlr_backend *backend);
Automatically create a new renderer.
Selects an appropriate renderer type to use depending on the backend, platform, environment, etc.
wlr_renderer_destroy() ¶
void wlr_renderer_destroy(struct wlr_renderer *renderer);
Destroys the renderer.
Textures must be destroyed separately.
wlr_renderer_get_dmabuf_texture_formats() ¶
const struct wlr_drm_format_set *wlr_renderer_get_dmabuf_texture_formats(struct wlr_renderer *renderer);
Get the DMA-BUF formats supporting sampling usage. Buffers allocated with a format from this list may be imported via wlr_texture_from_dmabuf().
wlr_renderer_get_drm_fd() ¶
int wlr_renderer_get_drm_fd(struct wlr_renderer *r);
Obtains the FD of the DRM device used for rendering, or -1 if unavailable.
The caller doesn't have ownership of the FD, it must not close it.
wlr_renderer_get_shm_texture_formats() ¶
const uint32_t *wlr_renderer_get_shm_texture_formats(struct wlr_renderer *r, size_t *len);
Get the shared-memory formats supporting import usage. Buffers allocated with a format from this list may be imported via wlr_texture_from_pixels().
wlr_renderer_init_wl_display() ¶
bool wlr_renderer_init_wl_display(struct wlr_renderer *r, struct wl_display *wl_display);
wlr_renderer_init_wl_shm() ¶
bool wlr_renderer_init_wl_shm(struct wlr_renderer *r, struct wl_display *wl_display);