diff options
Diffstat (limited to 'include/backend/drm.h')
-rw-r--r-- | include/backend/drm.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/include/backend/drm.h b/include/backend/drm.h new file mode 100644 index 00000000..91346169 --- /dev/null +++ b/include/backend/drm.h @@ -0,0 +1,167 @@ +#ifndef DRM_BACKEND_H +#define DRM_BACKEND_H + +#include <stdbool.h> +#include <stddef.h> +#include <stdint.h> +#include <wayland-server.h> +#include <xf86drmMode.h> +#include <EGL/egl.h> +#include <libudev.h> +#include <gbm.h> + +#include <wlr/backend/session.h> +#include <wlr/backend/drm.h> +#include <wlr/util/list.h> + +#include <backend/egl.h> +#include <backend/udev.h> +#include "drm-properties.h" + +struct wlr_drm_plane { + uint32_t type; + uint32_t id; + + uint32_t possible_crtcs; + + uint32_t width, height; + + struct gbm_surface *gbm; + EGLSurface egl; + + struct gbm_bo *front; + struct gbm_bo *back; + + // Only used by cursor + float matrix[16]; + struct wlr_renderer *wlr_rend; + struct wlr_surface *wlr_surf; + + union wlr_drm_plane_props props; +}; + +struct wlr_drm_crtc { + uint32_t id; + union { + struct { + struct wlr_drm_plane *overlay; + struct wlr_drm_plane *primary; + struct wlr_drm_plane *cursor; + }; + struct wlr_drm_plane *planes[3]; + }; + + union wlr_drm_crtc_props props; + + struct wl_list connectors; +}; + +struct wlr_drm_connector { + struct wlr_output *base; + uint32_t id; + struct wlr_drm_crtc *crtc; + + union wlr_drm_connector_props props; + + struct wl_list link; +}; + +struct wlr_drm_renderer { + int fd; + struct gbm_device *gbm; + struct wlr_egl egl; +}; + +bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd); +void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer); + +struct wlr_backend_state { + struct wlr_backend *base; + + int fd; + dev_t dev; + + size_t num_crtcs; + struct wlr_drm_crtc *crtcs; + size_t num_planes; + struct wlr_drm_plane *planes; + + union { + struct { + size_t num_overlay_planes; + size_t num_primary_planes; + size_t num_cursor_planes; + }; + size_t num_type_planes[3]; + }; + + union { + struct { + struct wlr_drm_plane *overlay_planes; + struct wlr_drm_plane *primary_planes; + struct wlr_drm_plane *cursor_planes; + }; + struct wlr_drm_plane *type_planes[3]; + }; + + struct wl_display *display; + struct wl_event_source *drm_event; + + struct wl_listener session_signal; + struct wl_listener drm_invalidated; + + uint32_t taken_crtcs; + list_t *outputs; + + struct wlr_drm_renderer renderer; + struct wlr_session *session; + struct wlr_udev *udev; +}; + +enum wlr_drm_output_state { + WLR_DRM_OUTPUT_DISCONNECTED, + WLR_DRM_OUTPUT_NEEDS_MODESET, + WLR_DRM_OUTPUT_CONNECTED, +}; + +struct wlr_output_mode_state { + struct wlr_wl_output_mode *wlr_mode; + drmModeModeInfo mode; +}; + +struct wlr_output_state { + struct wlr_output *base; + enum wlr_drm_output_state state; + uint32_t connector; + + struct wlr_drm_crtc *crtc; + uint32_t possible_crtc; + + union wlr_drm_connector_props props; + + uint32_t width; + uint32_t height; + + drmModeCrtc *old_crtc; + + struct wlr_drm_renderer *renderer; + struct gbm_bo *bo[2]; + struct gbm_bo *cursor_bo[2]; + int current_cursor; + uint32_t cursor_width, cursor_height; + + bool pageflip_pending; +}; + +bool wlr_drm_check_features(struct wlr_backend_state *drm); +bool wlr_drm_resources_init(struct wlr_backend_state *drm); +void wlr_drm_resources_free(struct wlr_backend_state *drm); +void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore); + +void wlr_drm_scan_connectors(struct wlr_backend_state *state); +int wlr_drm_event(int fd, uint32_t mask, void *data); + +void wlr_drm_output_start_renderer(struct wlr_output_state *output); +bool wlr_drm_crtc_set_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc); + +#endif |