76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
#ifndef WLR_EGL_H
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#define WLR_EGL_H
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <stdbool.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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PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display;
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PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC create_platform_window_surface;
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PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
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PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
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PFNEGLQUERYWAYLANDBUFFERWL eglQueryWaylandBufferWL;
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PFNEGLBINDWAYLANDDISPLAYWL eglBindWaylandDisplayWL;
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PFNEGLUNBINDWAYLANDDISPLAYWL eglUnbindWaylandDisplayWL;
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const char *egl_exts;
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const char *gl_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 *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_free(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 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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* Refer to the eglQueryWaylandBufferWL extension function.
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*/
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bool wlr_egl_query_buffer(struct wlr_egl *egl, struct wl_resource *buf,
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EGLint attrib, EGLint *value);
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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 client buffer and attributes.
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*/
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EGLImageKHR wlr_egl_create_image(struct wlr_egl *egl,
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EGLenum target, EGLClientBuffer buffer, const EGLint *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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/**
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* Returns a string for the last error ocurred with egl.
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*/
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const char *egl_error(void);
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#endif
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