diff options
author | Drew DeVault <sir@cmpwn.com> | 2017-08-10 22:20:21 -0400 |
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committer | GitHub <noreply@github.com> | 2017-08-10 22:20:21 -0400 |
commit | 6569c2b62614384b268eb20feb7818f3c0cf606c (patch) | |
tree | 4be63a8f4e2edfcecd228f23e9846403ddf39281 /include/wlr/egl.h | |
parent | fe2fbd0fad96624ab64a86b0b8eb8ead769908f2 (diff) | |
parent | c24351681f672a2ce561b9cb6d73172dfc36c45c (diff) |
Merge pull request #53 from nyorain/drm_buffer
Implement drm (egl) buffer attaching
Diffstat (limited to 'include/wlr/egl.h')
-rw-r--r-- | include/wlr/egl.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/wlr/egl.h b/include/wlr/egl.h new file mode 100644 index 00000000..b37317a5 --- /dev/null +++ b/include/wlr/egl.h @@ -0,0 +1,75 @@ +#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; + + PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display; + PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC create_platform_window_surface; + + PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR; + PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR; + PFNEGLQUERYWAYLANDBUFFERWL eglQueryWaylandBufferWL; + PFNEGLBINDWAYLANDDISPLAYWL eglBindWaylandDisplayWL; + PFNEGLUNBINDWAYLANDDISPLAYWL eglUnbindWaylandDisplayWL; + + 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, 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 |