Mesa (master): i965: Fix fallback on stencil drawing to fbo when the visual lacks stencil.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: c06f4e2a371a917cfcce47e7ee4aa8f1f6528e3b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c06f4e2a371a917cfcce47e7ee4aa8f1f6528e3b

Author: Eric Anholt <eric at anholt.net>
Date:   Tue Feb 17 10:53:11 2009 -0800

i965: Fix fallback on stencil drawing to fbo when the visual lacks stencil.

Noticed this with the fbotexture demo.

---

 src/mesa/drivers/dri/i965/brw_fallback.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fallback.c b/src/mesa/drivers/dri/i965/brw_fallback.c
index e63098f..5f4f2d5 100644
--- a/src/mesa/drivers/dri/i965/brw_fallback.c
+++ b/src/mesa/drivers/dri/i965/brw_fallback.c
@@ -75,8 +75,8 @@ static GLboolean do_check_fallback(struct brw_context *brw)
    
    /* _NEW_STENCIL 
     */
-   if (ctx->Stencil.Enabled && 
-       !brw->intel.hw_stencil) {
+   if (ctx->Stencil.Enabled &&
+       (ctx->DrawBuffer->Name == 0 && !brw->intel.hw_stencil)) {
       DBG("FALLBACK: stencil\n");
       return GL_TRUE;
    }