[PULL 18/24] ui: add qemu_egl_has_dmabuf helper

[Gerd Hoffmann]

From: Marc-André Lureau <marcandre.lureau@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210204105232.834642-15-marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/ui/egl-helpers.h |  1 +
 ui/egl-helpers.c         | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/include/ui/egl-helpers.h b/include/ui/egl-helpers.h
index 94a4b3e6f3bd..5b1f7fafe0bc 100644
--- a/include/ui/egl-helpers.h
+++ b/include/ui/egl-helpers.h
@@ -51,5 +51,6 @@ EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, 
EGLNativeWindowType win);
 int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy, DisplayGLMode mode);
 int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode);
 EGLContext qemu_egl_init_ctx(void);
+bool qemu_egl_has_dmabuf(void);
 
 #endif /* EGL_HELPERS_H */
diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c
index 7c530c2825be..73fe61f87819 100644
--- a/ui/egl-helpers.c
+++ b/ui/egl-helpers.c
@@ -441,6 +441,16 @@ int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, 
DisplayGLMode mode)
 #endif
 }
 
+bool qemu_egl_has_dmabuf(void)
+{
+    if (qemu_egl_display == EGL_NO_DISPLAY) {
+        return false;
+    }
+
+    return epoxy_has_egl_extension(qemu_egl_display,
+                                   "EGL_EXT_image_dma_buf_import");
+}
+
 EGLContext qemu_egl_init_ctx(void)
 {
     static const EGLint ctx_att_core[] = {
-- 
2.29.2