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https://github.com/hyprwm/wlroots-hyprland.git
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108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
#ifndef WLR_RENDER_EGL_H
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#define WLR_RENDER_EGL_H
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <pixman.h>
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#include <stdbool.h>
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#include <wayland-server.h>
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#include <wlr/render/dmabuf.h>
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struct wlr_egl {
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EGLDisplay display;
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EGLConfig config;
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EGLContext context;
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const char *exts_str;
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struct {
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bool buffer_age;
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bool swap_buffers_with_damage;
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bool dmabuf_import;
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bool dmabuf_import_modifiers;
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bool dmabuf_export;
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bool bind_wayland_display;
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} egl_exts;
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struct wl_display *wl_display;
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};
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// TODO: Allocate and return a wlr_egl
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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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bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
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EGLint *config_attribs, EGLint visual_id);
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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_finish(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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* Returns a surface for the given native window
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* The window must match the remote display the wlr_egl was created with.
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*/
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EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window);
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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);
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/**
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* Try to import the given dmabuf. On success return true false otherwise.
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* If this succeeds the dmabuf can be used for rendering on a texture
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*/
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bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
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struct wlr_dmabuf_attributes *attributes);
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/**
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* Get the available dmabuf formats
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*/
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int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl, int **formats);
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/**
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* Get the available dmabuf modifiers for a given format
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*/
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int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl, int format,
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uint64_t **modifiers);
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bool wlr_egl_export_image_to_dmabuf(struct wlr_egl *egl, EGLImageKHR image,
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int32_t width, int32_t height, uint32_t flags,
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struct wlr_dmabuf_attributes *attribs);
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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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bool wlr_egl_make_current(struct wlr_egl *egl, EGLSurface surface,
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int *buffer_age);
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bool wlr_egl_is_current(struct wlr_egl *egl);
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bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
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pixman_region32_t *damage);
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bool wlr_egl_destroy_surface(struct wlr_egl *egl, EGLSurface surface);
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#endif
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