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Refactor EGL handling

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This commit is contained in:
Drew DeVault 2017-08-10 22:15:37 -04:00
parent 4aaf76cb66
commit c24351681f
26 changed files with 156 additions and 98 deletions
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73
include/backend/egl.h
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@ -1,73 +0,0 @@
#ifndef WLR_BACKEND_EGL_H
#define WLR_BACKEND_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;
};
/**
* 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 *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);
/**
* Queries information about the given (potential egl/drm) buffer, returns
* the information in value.
* Refer to eglQueryWaylandBufferWL for more information about attrib and value.
* Makes only sense when a wl_display was bound to it since otherwise there
* cannot be any egl/drm buffers.
* Will only work after a wlr_egl objct was initialized and if the needed egl extension
* is present.
*/
bool wlr_egl_query_buffer(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.
* Will only work after a wlr_egl objct was initialized and if the needed egl extension
* is present.
*/
EGLImageKHR wlr_egl_create_image(EGLenum target, EGLClientBuffer buffer,
const EGLint *attribs);
/**
* Destroys an egl image created with the given wlr_egl.
*/
bool wlr_egl_destroy_image(EGLImageKHR image);
/**
* Returns a string for the last error ocurred with egl.
*/
const char *egl_error(void);
#endif