From 32942d2b1c80d3f16048d6acfedf7dbcf5e2f8cb Mon Sep 17 00:00:00 2001 From: Kristian Høgsberg Date: Mon, 10 May 2010 15:58:06 -0400 Subject: intel: Mark frontbuffer dirty in intel_prepare_render() Now that we have intel_prepare_render() in place, we can use it to mark the front buffer dirty if we're rendering to the front buffer once we get there. --- src/mesa/drivers/dri/intel/intel_context.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) (limited to 'src/mesa/drivers/dri') diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c index 8c947c41b4..8a38ac12aa 100644 --- a/src/mesa/drivers/dri/intel/intel_context.c +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -403,6 +403,13 @@ intel_prepare_render(struct intel_context *intel) intel_update_renderbuffers(driContext, drawable); driContext->dri2.read_stamp = drawable->dri2.stamp; } + + /* If we're currently rendering to the front buffer, the rendering + * that will happen next will probably dirty the front buffer. So + * mark it as dirty here. + */ + if (intel->is_front_buffer_rendering) + intel->front_buffer_dirty = GL_TRUE; } void @@ -494,15 +501,7 @@ intel_flush(GLcontext *ctx, GLboolean needs_mi_flush) (*screen->dri2.loader->flushFrontBuffer)(driContext->driDrawablePriv, driContext->driDrawablePriv->loaderPrivate); - /* Only clear the dirty bit if front-buffer rendering is no longer - * enabled. This is done so that the dirty bit can only be set in - * glDrawBuffer. Otherwise the dirty bit would have to be set at - * each of N places that do rendering. This has worse performances, - * but it is much easier to get correct. - */ - if (!intel->is_front_buffer_rendering) { - intel->front_buffer_dirty = GL_FALSE; - } + intel->front_buffer_dirty = GL_FALSE; } } } -- cgit v1.2.3