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-rw-r--r--include/wlr/render/egl.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/include/wlr/render/egl.h b/include/wlr/render/egl.h
new file mode 100644
index 00000000..9ab4d9ce
--- /dev/null
+++ b/include/wlr/render/egl.h
@@ -0,0 +1,66 @@
+#ifndef WLR_EGL_H
+#define WLR_EGL_H
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <stdbool.h>
+
+struct wlr_egl {
+ EGLDisplay display;
+ EGLConfig config;
+ EGLContext context;
+
+ const char *egl_exts;
+ const char *gl_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, EGLint visual_id, void *display);
+
+/**
+ * Frees all related egl resources, makes the context not-current and
+ * unbinds a bound wayland display.
+ */
+void wlr_egl_free(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);
+
+/**
+ * Destroys an egl image created with the given wlr_egl.
+ */
+bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImageKHR image);
+
+/**
+ * Returns a string for the last error ocurred with egl.
+ */
+const char *egl_error(void);
+
+#endif