From: Eric Anholt <eric@anholt.net>
Date: Sun, 10 May 2009 17:08:32 +0000 (-0700)
Subject: intel: Skip the DRI2 renderbuffer update when doing Viewport on an FBO.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d4a42b0ce6455d03be70aa56aacd779be193aca4;p=mesa.git

intel: Skip the DRI2 renderbuffer update when doing Viewport on an FBO.
---

diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 8b3e50f9b62..7c77a1c8194 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -393,7 +393,7 @@ intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
     if (!driContext->driScreenPriv->dri2.enabled)
 	return;
 
-    if (!intel->internal_viewport_call) {
+    if (!intel->internal_viewport_call && ctx->DrawBuffer->Name == 0) {
        intel_update_renderbuffers(driContext, driContext->driDrawablePriv);
        if (driContext->driDrawablePriv != driContext->driReadablePriv)
 	  intel_update_renderbuffers(driContext, driContext->driReadablePriv);