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wlroots/include/backend/drm/iface.h

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Split DRM internal interface to its own header
2017-09-30 06:11:41 +00:00
#ifndef BACKEND_DRM_IFACE_H
#define BACKEND_DRM_IFACE_H
#include <stdbool.h>
#include <stdint.h>
backend/drm: clip FB damage The kernel complains when the damage exceeds the FB bounds: [73850.448326] i915 0000:00:02.0: [drm:drm_atomic_check_only] [PLANE:31:plane 1A] invalid damage clip 0 0 2147483647 2147483647 Make the DRM backend behave like the Wayland one and allow compositors to damage (0, 0, INT32_MAX, INT32_MAX) to repaint everything without needing to know the exact buffer size. Closes: https://github.com/swaywm/sway/issues/7632
2023-06-12 10:13:21 +00:00
#include <pixman.h>
Split DRM internal interface to its own header
2017-09-30 06:11:41 +00:00
#include <xf86drm.h>
#include <xf86drmMode.h>
struct wlr_drm_backend;
Rename wlr_drm_output to wlr_drm_connector
2017-09-30 10:31:08 +00:00
struct wlr_drm_connector;
Split DRM internal interface to its own header
2017-09-30 06:11:41 +00:00
struct wlr_drm_crtc;
backend/drm: add infrastructure for device-wide commits
2024-02-14 15:35:29 +00:00
struct wlr_drm_device_state;
backend/drm: introduce wlr_drm_connector_state Previously, we were copying wlr_output_state on the stack and patching it up to be guaranteed to have a proper drmModeModeInfo stored in it (and not a custom mode). Also, we had a bunch of helpers deriving DRM-specific information from the generic wlr_output_state. Copying the wlr_output_state worked fine so far, but with output layers we'll be getting a wl_list in there. An empty wl_list stores two pointers to itself, copying it on the stack blindly results in infinite loops in wl_list_for_each. To fix this, rework our DRM backend to stop copying wlr_output_state, instead add a new struct wlr_drm_connector_state which holds both the wlr_output_state and additional DRM-specific information.
2021-08-10 16:47:14 +00:00
struct wlr_drm_connector_state;
backend/drm: clip FB damage The kernel complains when the damage exceeds the FB bounds: [73850.448326] i915 0000:00:02.0: [drm:drm_atomic_check_only] [PLANE:31:plane 1A] invalid damage clip 0 0 2147483647 2147483647 Make the DRM backend behave like the Wayland one and allow compositors to damage (0, 0, INT32_MAX, INT32_MAX) to repaint everything without needing to know the exact buffer size. Closes: https://github.com/swaywm/sway/issues/7632
2023-06-12 10:13:21 +00:00
struct wlr_drm_fb;
backend/drm: introduce page-flip tracking struct Introduce a per-page-flip tracking struct passed to the kernel when we request a page-flip event for an atomic commit. The kernel will pass us back this pointer when delivering the event. This eliminates any risk of mixing up events together. In particular, if two events are pending, or if the CRTC of a connector is swapped, we no longer blow up in the page-flip event handler. Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3753
2023-11-15 15:38:51 +00:00
struct wlr_drm_page_flip;
Split DRM internal interface to its own header
2017-09-30 06:11:41 +00:00
// Used to provide atomic or legacy DRM functions
struct wlr_drm_interface {
backend/drm: add libliftoff interface
2022-08-18 17:17:33 +00:00
bool (*init)(struct wlr_drm_backend *drm);
void (*finish)(struct wlr_drm_backend *drm);
backend/drm: add infrastructure for device-wide commits
2024-02-14 15:35:29 +00:00
bool (*commit)(struct wlr_drm_backend *drm,
const struct wlr_drm_device_state *state,
backend/drm: introduce page-flip tracking struct Introduce a per-page-flip tracking struct passed to the kernel when we request a page-flip event for an atomic commit. The kernel will pass us back this pointer when delivering the event. This eliminates any risk of mixing up events together. In particular, if two events are pending, or if the CRTC of a connector is swapped, we no longer blow up in the page-flip event handler. Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3753
2023-11-15 15:38:51 +00:00
struct wlr_drm_page_flip *page_flip, uint32_t flags, bool test_only);
backend/drm: atomically reset state after VT switch Allows the KMS driver to parallelize the modesets, so should be faster than going through each CRTC one by one.
2024-02-14 17:54:01 +00:00
// Turn off everything
bool (*reset)(struct wlr_drm_backend *drm);
Split DRM internal interface to its own header
2017-09-30 06:11:41 +00:00
};
Change iface prefix to suffix
2017-10-02 08:44:33 +00:00
extern const struct wlr_drm_interface atomic_iface;
extern const struct wlr_drm_interface legacy_iface;
backend/drm: add libliftoff interface
2022-08-18 17:17:33 +00:00
extern const struct wlr_drm_interface liftoff_iface;
Split DRM internal interface to its own header
2017-09-30 06:11:41 +00:00
backend/drm: apply gamma LUT on page-flip
2020-05-07 15:50:40 +00:00
bool drm_legacy_crtc_set_gamma(struct wlr_drm_backend *drm,
output: make wlr_output_set_gamma atomic wlr_output_set_gamma is now double-buffered and applies the gamma LUT on the next output commit.
2020-05-14 16:27:02 +00:00
struct wlr_drm_crtc *crtc, size_t size, uint16_t *lut);
backend/drm: apply gamma LUT on page-flip
2020-05-07 15:50:40 +00:00
backend/drm: clip FB damage The kernel complains when the damage exceeds the FB bounds: [73850.448326] i915 0000:00:02.0: [drm:drm_atomic_check_only] [PLANE:31:plane 1A] invalid damage clip 0 0 2147483647 2147483647 Make the DRM backend behave like the Wayland one and allow compositors to damage (0, 0, INT32_MAX, INT32_MAX) to repaint everything without needing to know the exact buffer size. Closes: https://github.com/swaywm/sway/issues/7632
2023-06-12 10:13:21 +00:00
bool create_fb_damage_clips_blob(struct wlr_drm_backend *drm,
backend/drm: handle output layer damage
2023-02-21 09:21:37 +00:00
int width, int height, const pixman_region32_t *damage, uint32_t *blob_id);
backend/drm: atomically reset state after VT switch Allows the KMS driver to parallelize the modesets, so should be faster than going through each CRTC one by one.
2024-02-14 17:54:01 +00:00
bool drm_atomic_reset(struct wlr_drm_backend *drm);
backend/drm: add libliftoff interface
2022-08-18 17:17:33 +00:00
backend/drm: track pending atomic state in wlr_drm_connector_state This centralizes logic common for both the atomic and libliftoff backends. Additionally, a struct will make it easier to implement multi-connector commits (since it can be stored in an array).
2024-02-14 14:41:29 +00:00
bool drm_atomic_connector_prepare(struct wlr_drm_connector_state *state,
bool modeset);
void drm_atomic_connector_apply_commit(struct wlr_drm_connector_state *state);
void drm_atomic_connector_rollback_commit(struct wlr_drm_connector_state *state);
Split DRM internal interface to its own header
2017-09-30 06:11:41 +00:00
#endif
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