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backend/drm: implement get_cursor_formats and get_cursor_size

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This commit is contained in:
Simon Ser 2020-12-02 10:37:07 +01:00
parent de51df2770
commit 9e9be83a58
3 changed files with 70 additions and 0 deletions
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30
backend/drm/backend.c
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@ -1,5 +1,6 @@
#include <assert.h>
#include <errno.h>
#include <drm_fourcc.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -238,6 +239,35 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
goto error_event;
}
if (drm->parent) {
// We'll perform a multi-GPU copy for all submitted buffers, we need
// to be able to texture from them
struct wlr_renderer *renderer = drm->renderer.wlr_rend;
const struct wlr_drm_format_set *texture_formats =
wlr_renderer_get_dmabuf_texture_formats(renderer);
if (texture_formats == NULL) {
wlr_log(WLR_ERROR, "Failed to query renderer texture formats");
goto error_event;
}
for (size_t i = 0; i < texture_formats->len; i++) {
const struct wlr_drm_format *fmt = texture_formats->formats[i];
if (fmt->len == 0) {
// Modifiers aren't supported. The implicit modifier changes
// from a GPU to the other, so we can only accept linear
// buffers
wlr_drm_format_set_add(&drm->mgpu_formats, fmt->format,
DRM_FORMAT_MOD_LINEAR);
continue;
}
for (size_t j = 0; j < fmt->len; j++) {
wlr_drm_format_set_add(&drm->mgpu_formats, fmt->format,
fmt->modifiers[j]);
}
}
}
drm->session_destroy.notify = handle_session_destroy;
wl_signal_add(&session->events.destroy, &drm->session_destroy);