Mesa (master): intel: Add fallback debug to glGenerateMipmap.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 2e3d22b0746dad2cc64873f336367ca4949d0123
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2e3d22b0746dad2cc64873f336367ca4949d0123

Author: Eric Anholt <eric at anholt.net>
Date:   Fri Sep 24 18:00:42 2010 -0700

intel: Add fallback debug to glGenerateMipmap.

---

 src/mesa/drivers/dri/intel/intel_tex.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_tex.c b/src/mesa/drivers/dri/intel/intel_tex.c
index 4537f58..49b7d5e 100644
--- a/src/mesa/drivers/dri/intel/intel_tex.c
+++ b/src/mesa/drivers/dri/intel/intel_tex.c
@@ -157,6 +157,10 @@ intelGenerateMipmap(GLcontext *ctx, GLenum target,
       /* sw path: need to map texture images */
       struct intel_context *intel = intel_context(ctx);
       struct intel_texture_object *intelObj = intel_texture_object(texObj);
+
+      if (INTEL_DEBUG & DEBUG_FALLBACKS)
+	 fprintf(stderr, "%s - fallback to swrast\n", __FUNCTION__);
+
       intel_tex_map_level_images(intel, intelObj, texObj->BaseLevel);
       _mesa_generate_mipmap(ctx, target, texObj);
       intel_tex_unmap_level_images(intel, intelObj, texObj->BaseLevel);