Mesa (master): intel: Mark the FBO as incomplete if there' s no intel_renderbuffer for it.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 8bba183b9eeb162661a287bf2e118c6dd419dd24
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8bba183b9eeb162661a287bf2e118c6dd419dd24

Author: Eric Anholt <eric at anholt.net>
Date:   Wed May 20 14:05:03 2009 -0700

intel: Mark the FBO as incomplete if there's no intel_renderbuffer for it.

This happens to rendering with textures with a border, which had resulted
in a segfault on dereferencing the irb.

---

 src/mesa/drivers/dri/intel/intel_fbo.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_fbo.c b/src/mesa/drivers/dri/intel/intel_fbo.c
index 52647dd..0b0f0f9 100644
--- a/src/mesa/drivers/dri/intel/intel_fbo.c
+++ b/src/mesa/drivers/dri/intel/intel_fbo.c
@@ -679,6 +679,11 @@ intel_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
       if (rb == NULL)
 	 continue;
 
+      if (irb == NULL) {
+	 fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
+	 continue;
+      }
+
       switch (irb->texformat->MesaFormat) {
       case MESA_FORMAT_ARGB8888:
       case MESA_FORMAT_RGB565: