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render: don't fall back to Pixman if we have a render node
If we have a render node, it means there is a GPU which could be used. We probably failed GL because of a kernel or Mesa issue. Instead of automatically falling back to Pixman, error out. This makes it more obvious to users when something goes wrong, instead of silently exposing a slow unaccelerated desktop. References: https://github.com/swaywm/sway/issues/7194
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1 changed files with 9 additions and 1 deletions
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@ -314,7 +314,15 @@ struct wlr_renderer *renderer_autocreate_with_drm_fd(int drm_fd) {
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}
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#endif
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if (!renderer && (is_auto || strcmp(renderer_name, "pixman") == 0)) {
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bool has_render_node = false;
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if (!renderer && is_auto && drm_fd >= 0) {
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char *render_node = drmGetRenderDeviceNameFromFd(drm_fd);
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has_render_node = render_node != NULL;
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free(render_node);
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}
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if (!renderer && ((is_auto && !has_render_node) ||
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strcmp(renderer_name, "pixman") == 0)) {
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renderer = wlr_pixman_renderer_create();
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if (!renderer) {
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log_creation_failure(is_auto, "Failed to create a pixman renderer");
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