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-rw-r--r--cogl/cogl-onscreen.h4
-rw-r--r--cogl/winsys/cogl-winsys-egl-mir.c12
2 files changed, 12 insertions, 4 deletions
diff --git a/cogl/cogl-onscreen.h b/cogl/cogl-onscreen.h
index 990a7161..99a9365d 100644
--- a/cogl/cogl-onscreen.h
+++ b/cogl/cogl-onscreen.h
@@ -282,10 +282,12 @@ cogl_mir_onscreen_get_surface (CoglOnscreen *onscreen);
*
* This function must be called before @onscreen is allocated.
*
+ * Returns: whether @surface has been marked as been set as surface or not.
+ *
* Since: 1.18
* Stability: unstable
*/
-void
+CoglBool
cogl_mir_onscreen_set_foreign_surface (CoglOnscreen *onscreen,
struct MirSurface *surface);
#endif /* COGL_HAS_EGL_PLATFORM_MIR_SUPPORT */
diff --git a/cogl/winsys/cogl-winsys-egl-mir.c b/cogl/winsys/cogl-winsys-egl-mir.c
index 5173727d..c958cfc6 100644
--- a/cogl/winsys/cogl-winsys-egl-mir.c
+++ b/cogl/winsys/cogl-winsys-egl-mir.c
@@ -658,17 +658,23 @@ cogl_mir_renderer_get_connection (CoglRenderer *renderer)
return NULL;
}
-void
+CoglBool
cogl_mir_onscreen_set_foreign_surface (CoglOnscreen *onscreen,
MirSurface *surface)
{
CoglFramebuffer *fb;
- _COGL_RETURN_IF_FAIL (mir_surface_is_valid (surface));
+ MirSurfaceParameters parameters;
+
+ _COGL_RETURN_VAL_IF_FAIL (mir_surface_is_valid (surface), FALSE);
fb = COGL_FRAMEBUFFER (onscreen);
- _COGL_RETURN_IF_FAIL (!fb->allocated);
+ _COGL_RETURN_VAL_IF_FAIL (!fb->allocated, FALSE);
+
+ mir_surface_get_parameters (surface, &parameters);
+ _COGL_RETURN_VAL_IF_FAIL (parameters.buffer_usage == mir_buffer_usage_hardware, FALSE);
onscreen->foreign_surface = surface;
+ return TRUE;
}
MirSurface *