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render: expand wlr_renderer_get{,_dmabuf}_formats docs

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Make it clear formats returned are only suitable for import/sampling.
These formats can't be used to be rendered to.
This commit is contained in:
Simon Ser 2020-11-18 13:40:08 +01:00
parent 44cea53e72
commit c15ca3793e
2 changed files with 5 additions and 3 deletions
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2
include/wlr/render/egl.h
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@ -123,7 +123,7 @@ EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_attributes *attributes, bool *external_only); struct wlr_dmabuf_attributes *attributes, bool *external_only);
/** /**
* Get the available dmabuf formats * Get DMA-BUF formats suitable for sampling usage.
*/ */
const struct wlr_drm_format_set *wlr_egl_get_dmabuf_formats(struct wlr_egl *egl); const struct wlr_drm_format_set *wlr_egl_get_dmabuf_formats(struct wlr_egl *egl);

6
include/wlr/render/wlr_renderer.h
View file

@ -83,7 +83,8 @@ void wlr_render_ellipse(struct wlr_renderer *r, const struct wlr_box *box,
void wlr_render_ellipse_with_matrix(struct wlr_renderer *r, void wlr_render_ellipse_with_matrix(struct wlr_renderer *r,
const float color[static 4], const float matrix[static 9]); const float color[static 4], const float matrix[static 9]);
/** /**
* Returns a list of pixel formats supported by this renderer. * Get the shared-memory formats supporting import usage. Buffers allocated
* with a format from this list may be imported via wlr_texture_from_pixels.
*/ */
const enum wl_shm_format *wlr_renderer_get_formats(struct wlr_renderer *r, const enum wl_shm_format *wlr_renderer_get_formats(struct wlr_renderer *r,
size_t *len); size_t *len);
@ -98,7 +99,8 @@ bool wlr_renderer_resource_is_wl_drm_buffer(struct wlr_renderer *renderer,
void wlr_renderer_wl_drm_buffer_get_size(struct wlr_renderer *renderer, void wlr_renderer_wl_drm_buffer_get_size(struct wlr_renderer *renderer,
struct wl_resource *buffer, int *width, int *height); struct wl_resource *buffer, int *width, int *height);
/** /**
* Get the available DMA-BUF formats. * Get the DMA-BUF formats supporting sampling usage. Buffers allocated with
* a format from this list may be imported via wlr_texture_from_dmabuf.
*/ */
const struct wlr_drm_format_set *wlr_renderer_get_dmabuf_formats( const struct wlr_drm_format_set *wlr_renderer_get_dmabuf_formats(
struct wlr_renderer *renderer); struct wlr_renderer *renderer);