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https://github.com/hyprwm/wlroots-hyprland.git
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507d9bc19e
Most of the pending output state is not forwarded to the backend prior to an output commit. For instance, wlr_output_set_mode just stashes the mode without calling any wlr_output_impl function. wlr_output_impl.commit is responsible for applying the pending mode. However, there are exceptions to this rule. The first one is wlr_output_attach_render. It won't go away before renderer v6 is complete, because it needs to set the current EGL surface. The second one is wlr_output_attach_buffer. wlr_output_impl.attach_buffer is removed in [1]. When wlr_output_rollback is called, all pending state is supposed to be cleared. This works for all the state except the two exceptions mentionned above. To fix this, introduce wlr_output_impl.rollback. Right now, the backend resets the current EGL surface. This prevents GL commands from affecting the output after wlr_output_rollback. This patch is required for FBO-based outputs to work properly. The compositor might be using FBOs for its own purposes [2], having leftover FBO state can have bad consequences. [1]: https://github.com/swaywm/wlroots/pull/2097 [2]: https://github.com/swaywm/wlroots/pull/2063#issuecomment-597614312
47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_INTERFACES_WLR_OUTPUT_H
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#define WLR_INTERFACES_WLR_OUTPUT_H
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#include <stdbool.h>
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#include <wlr/backend.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_output.h>
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struct wlr_output_impl {
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bool (*set_cursor)(struct wlr_output *output, struct wlr_texture *texture,
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int32_t scale, enum wl_output_transform transform,
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int32_t hotspot_x, int32_t hotspot_y, bool update_texture);
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bool (*move_cursor)(struct wlr_output *output, int x, int y);
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void (*destroy)(struct wlr_output *output);
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bool (*attach_render)(struct wlr_output *output, int *buffer_age);
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bool (*test)(struct wlr_output *output);
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bool (*commit)(struct wlr_output *output);
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void (*rollback)(struct wlr_output *output);
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bool (*set_gamma)(struct wlr_output *output, size_t size,
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const uint16_t *r, const uint16_t *g, const uint16_t *b);
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size_t (*get_gamma_size)(struct wlr_output *output);
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bool (*export_dmabuf)(struct wlr_output *output,
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struct wlr_dmabuf_attributes *attribs);
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};
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void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
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const struct wlr_output_impl *impl, struct wl_display *display);
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void wlr_output_update_mode(struct wlr_output *output,
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struct wlr_output_mode *mode);
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void wlr_output_update_custom_mode(struct wlr_output *output, int32_t width,
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int32_t height, int32_t refresh);
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void wlr_output_update_enabled(struct wlr_output *output, bool enabled);
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void wlr_output_update_needs_frame(struct wlr_output *output);
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void wlr_output_damage_whole(struct wlr_output *output);
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void wlr_output_send_frame(struct wlr_output *output);
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void wlr_output_send_present(struct wlr_output *output,
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struct wlr_output_event_present *event);
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#endif
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