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DRM resource initalisation

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This commit is contained in:
Scott Anderson 2017-07-20 20:51:59 +12:00
parent 601bbad5d8
commit 7b772e1a4b
5 changed files with 238 additions and 9 deletions
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136
backend/drm/drm.h Normal file
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#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 fb_id;
uint32_t possible_crtcs;
int32_t x, y;
uint32_t width, height;
struct gbm_surface *gbm;
EGLSurface egl;
struct gbm_bo *front;
struct gbm_bo *back;
union wlr_drm_plane_props props;
};
struct wlr_drm_crtc {
uint32_t id;
struct wlr_drm_plane *primary;
struct wlr_drm_plane *overlay;
struct wlr_drm_plane *cursor;
union wlr_drm_crtc_props props;
};
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 {
int fd;
dev_t dev;
size_t num_crtcs;
struct wlr_drm_crtc *crtcs;
size_t num_planes;
struct wlr_drm_plane *planes;
size_t num_overlay_planes;
struct wlr_drm_plane *overlay_planes;
size_t num_primary_planes;
struct wlr_drm_plane *primary_planes;
size_t num_cursor_planes;
struct wlr_drm_plane *cursor_planes;
struct wlr_backend *backend;
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 {
DRM_OUTPUT_DISCONNECTED,
DRM_OUTPUT_NEEDS_MODESET,
DRM_OUTPUT_CONNECTED,
};
struct wlr_output_mode_state {
struct wlr_wl_output_mode *wlr_mode;
drmModeModeInfo mode;
};
struct wlr_output_state {
struct wlr_output *wlr_output;
enum wlr_drm_output_state state;
uint32_t connector;
struct {
uint32_t dpms;
} props;
uint32_t width;
uint32_t height;
uint32_t crtc;
drmModeCrtc *old_crtc;
struct wlr_drm_renderer *renderer;
EGLSurface *egl;
struct gbm_surface *gbm;
struct gbm_bo *bo[2];
struct gbm_bo *cursor_bo[2];
int current_cursor;
uint32_t cursor_width, cursor_height;
bool pageflip_pending;
bool cleanup;
};
bool wlr_drm_init_resources(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);
void wlr_drm_output_pause_renderer(struct wlr_output_state *output);
#endif