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#ifndef WLR_RENDER_EGL_H
#define WLR_RENDER_EGL_H
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <pixman.h>
#include <stdbool.h>
#include <wayland-server.h>
#include <wlr/types/wlr_linux_dmabuf.h>
struct wlr_egl {
EGLDisplay display;
EGLConfig config;
EGLContext context;
const char *egl_exts_str;
const char *gl_exts_str;
struct {
bool buffer_age;
bool swap_buffers_with_damage;
bool dmabuf_import;
bool dmabuf_import_modifiers;
} egl_exts;
struct wl_display *wl_display;
};
// TODO: Allocate and return a wlr_egl
/**
* Initializes an egl context for the given platform and remote display.
* Will attempt to load all possibly required api functions.
*/
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
EGLint *config_attribs, EGLint visual_id);
/**
* Frees all related egl resources, makes the context not-current and
* unbinds a bound wayland display.
*/
void wlr_egl_finish(struct wlr_egl *egl);
/**
* Binds the given display to the egl instance.
* This will allow clients to create egl surfaces from wayland ones and render to it.
*/
bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display);
/**
* Refer to the eglQueryWaylandBufferWL extension function.
*/
bool wlr_egl_query_buffer(struct wlr_egl *egl, struct wl_resource *buf,
EGLint attrib, EGLint *value);
/**
* Returns a surface for the given native window
* The window must match the remote display the wlr_egl was created with.
*/
EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window);
/**
* Creates an egl image from the given client buffer and attributes.
*/
EGLImageKHR wlr_egl_create_image(struct wlr_egl *egl,
EGLenum target, EGLClientBuffer buffer, const EGLint *attribs);
/**
* Creates an egl image from the given dmabuf attributes. Check usability
* of the dmabuf with wlr_egl_check_import_dmabuf once first.
*/
EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_buffer_attribs *attributes);
/**
* Try to import the given dmabuf. On success return true false otherwise.
* If this succeeds the dmabuf can be used for rendering on a texture
*/
bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
struct wlr_dmabuf_buffer *dmabuf);
/**
* Get the available dmabuf formats
*/
int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int **formats);
/**
* Get the available dmabuf modifiers for a given format
*/
int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl, int format,
uint64_t **modifiers);
/**
* Destroys an egl image created with the given wlr_egl.
*/
bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImageKHR image);
bool wlr_egl_make_current(struct wlr_egl *egl, EGLSurface surface,
int *buffer_age);
bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
pixman_region32_t *damage);
#endif
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