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77 lines
2.1 KiB
77 lines
2.1 KiB
3 years ago
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#ifndef RENDER_EGL_H
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#define RENDER_EGL_H
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#include <wlr/render/egl.h>
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struct wlr_egl_context {
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EGLDisplay display;
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EGLContext context;
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EGLSurface draw_surface;
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EGLSurface read_surface;
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};
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/**
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* Initializes an EGL context for the given platform and remote display.
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* Will attempt to load all possibly required api functions.
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*/
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struct wlr_egl *wlr_egl_create(EGLenum platform, void *remote_display);
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/**
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* Frees all related EGL resources, makes the context not-current and
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* unbinds a bound wayland display.
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*/
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void wlr_egl_destroy(struct wlr_egl *egl);
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/**
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* Binds the given display to the EGL instance.
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* This will allow clients to create EGL surfaces from wayland ones and render
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* to it.
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*/
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bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display);
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/**
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* Creates an EGL image from the given wl_drm buffer resource.
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*/
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EGLImageKHR wlr_egl_create_image_from_wl_drm(struct wlr_egl *egl,
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struct wl_resource *data, EGLint *fmt, int *width, int *height,
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bool *inverted_y);
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/**
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* Creates an EGL image from the given dmabuf attributes. Check usability
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* of the dmabuf with wlr_egl_check_import_dmabuf once first.
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*/
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EGLImageKHR wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
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struct wlr_dmabuf_attributes *attributes, bool *external_only);
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/**
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* Get DMA-BUF formats suitable for sampling usage.
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*/
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const struct wlr_drm_format_set *wlr_egl_get_dmabuf_texture_formats(
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struct wlr_egl *egl);
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/**
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* Get DMA-BUF formats suitable for rendering usage.
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*/
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const struct wlr_drm_format_set *wlr_egl_get_dmabuf_render_formats(
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struct wlr_egl *egl);
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/**
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* Destroys an EGL image created with the given wlr_egl.
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*/
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bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImageKHR image);
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int wlr_egl_dup_drm_fd(struct wlr_egl *egl);
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/**
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* Save the current EGL context to the structure provided in the argument.
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*
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* This includes display, context, draw surface and read surface.
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*/
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void wlr_egl_save_context(struct wlr_egl_context *context);
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/**
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* Restore EGL context that was previously saved using wlr_egl_save_current().
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*/
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bool wlr_egl_restore_context(struct wlr_egl_context *context);
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#endif
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