From 9e3475b39ae34244045e0dcd6b98e1526c10c6bf Mon Sep 17 00:00:00 2001 From: Paul Berry Date: Fri, 31 May 2013 09:45:49 -0700 Subject: [PATCH] intel: flush fake front buffer if server is about to destroy it. Fixes piglit test "spec/!OpenGL 1.0/gl-1.0-front-invalidate-back" Reviewed-by: Anuj Phogat --- src/mesa/drivers/dri/intel/intel_context.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c index 7f8a2bbfa8c..09b33b142ed 100644 --- a/src/mesa/drivers/dri/intel/intel_context.c +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -925,6 +925,15 @@ intel_query_dri2_buffers(struct intel_context *intel, attachments[i++] = __DRI_BUFFER_FRONT_LEFT; attachments[i++] = intel_bits_per_pixel(front_rb); + } else if (front_rb && intel->front_buffer_dirty) { + /* We have pending front buffer rendering, but we aren't querying for a + * front buffer. If the front buffer we have is a fake front buffer, + * the X server is going to throw it away when it processes the query. + * So before doing the query, make sure all the pending drawing has + * landed in the real front buffer. + */ + intel_flush(&intel->ctx); + intel_flush_front(&intel->ctx); } if (back_rb) { -- 2.30.2