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-rw-r--r--src/mesa/drivers/dri/intel/intel_context.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 5dc3df395d1..bff0b054757 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -394,7 +394,7 @@ 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);