Specified by ARB_framebuffer_object, GL 3.0, and ES 3.0.
---
src/mesa/main/fbobject.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index a29f1ab..bf7e85c 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -2141,8 +2141,12 @@ _mesa_CheckFramebufferStatus(GLenum target)
}
if (_mesa_is_winsys_fbo(buffer)) {
- /* The window system / default framebuffer is always complete */
- return GL_FRAMEBUFFER_COMPLETE_EXT;
+ /* EGL_KHR_surfaceless_context allows the winsys FBO to be incomplete. */
+ if (buffer != &IncompleteFramebuffer) {
+ return GL_FRAMEBUFFER_COMPLETE_EXT;
+ } else {
+ return GL_FRAMEBUFFER_UNDEFINED;
+ }
}
/* No need to flush here */
--
1.8.1.5
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