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backend/drm: try to import buffer when testing it
If the import to KMS succeeds, we have a better chance to be able to scan it out. Importing is also necessary for test-only commits, which we want to add in the future.
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b514d4afe2
commit
511e42be5e
1 changed files with 3 additions and 21 deletions
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@ -399,29 +399,11 @@ static bool test_buffer(struct wlr_drm_connector *conn,
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return false;
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return false;
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}
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}
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struct wlr_dmabuf_attributes attribs;
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struct wlr_drm_fb *fb = NULL;
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if (!wlr_buffer_get_dmabuf(wlr_buffer, &attribs)) {
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if (!drm_fb_import(&fb, drm, wlr_buffer, &crtc->primary->formats)) {
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return false;
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return false;
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}
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}
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drm_fb_clear(&fb);
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if (attribs.flags != 0) {
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return false;
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}
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if (!wlr_drm_format_set_has(&crtc->primary->formats,
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attribs.format, attribs.modifier)) {
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// The format isn't supported by the plane. Try stripping the alpha
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// channel, if any.
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const struct wlr_pixel_format_info *info =
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drm_get_pixel_format_info(attribs.format);
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if (info != NULL && info->opaque_substitute != DRM_FORMAT_INVALID &&
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wlr_drm_format_set_has(&crtc->primary->formats,
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info->opaque_substitute, attribs.modifier)) {
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attribs.format = info->opaque_substitute;
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} else {
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return false;
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}
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}
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return true;
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return true;
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}
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}
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