wlroots/include/backend/drm/renderer.h

#ifndef BACKEND_DRM_RENDERER_H
#define BACKEND_DRM_RENDERER_H

#include <stdbool.h>
#include <stdint.h>

#include <EGL/egl.h>
#include <gbm.h>

struct wlr_drm_renderer {
	int fd;
	struct gbm_device *gbm;
	struct wlr_egl egl;
};

struct wlr_drm_surface {
	uint32_t width;
	uint32_t height;

	struct gbm_surface *gbm;
	EGLSurface egl;

	struct gbm_bo *front;
	struct gbm_bo *back;
};

bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd);

void wlr_drm_renderer_finish(struct wlr_drm_renderer *renderer);

bool wlr_drm_surface_init(struct wlr_drm_renderer *renderer,
	struct wlr_drm_surface *surf, uint32_t width, uint32_t height,
	uint32_t format, uint32_t flags);

void wlr_drm_surface_finish(struct wlr_drm_renderer *renderer,
	struct wlr_drm_surface *surf);

void wlr_drm_surface_make_current(struct wlr_drm_renderer *renderer,
	struct wlr_drm_surface *surf);

struct gbm_bo *wlr_drm_surface_swap_buffers(struct wlr_drm_renderer *renderer,
	struct wlr_drm_surface *surf);

struct gbm_bo *wlr_drm_surface_get_front(struct wlr_drm_renderer *renderer,
	struct wlr_drm_surface *surf);

#endif