From 61d26bc82e7c4100acfb551cbb0ba9d84bbc4ba5 Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Mon, 8 Feb 2010 19:27:56 +0100 Subject: dri2: Event driven buffer validation. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When a buffer invalidation event is received from the X server, the "invalidate" hook of the DRI2 flush extension is executed: A generic implementation (dri2InvalidateDrawable) is provided that just bumps the "pStamp" sequence number in __DRIdrawableRec. For old servers not supporting buffer invalidation events, the invalidate hook will be called before flushing the fake front/back buffer (that's typically once per frame -- not a lot worse than the situation we were in before). No effort has been made on preserving backwards compatibility with version 2 of the flush extension, but I think it's acceptable because AFAIK no released stack is making use of it. Signed-off-by: Kristian Høgsberg --- src/mesa/drivers/dri/intel/intel_context.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/mesa/drivers/dri/intel/intel_context.c') diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c index fa2168b6ef..81d5a32476 100644 --- a/src/mesa/drivers/dri/intel/intel_context.c +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -366,8 +366,8 @@ intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable) } } - drawable->validBuffers = GL_TRUE; driUpdateFramebufferSize(&intel->ctx, drawable); + drawable->lastStamp = drawable->dri2.stamp; } void -- cgit v1.2.3