Mesa (mesa_7_5_branch): intel: Fall back on glBitmap with fog enabled.

[Eric Anholt]

Module: Mesa
Branch: mesa_7_5_branch
Commit: a6b314150c141f4c73e408b114181e57237540d9
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a6b314150c141f4c73e408b114181e57237540d9

Author: Eric Anholt <eric at anholt.net>
Date:   Thu Jul  2 19:21:22 2009 -0700

intel: Fall back on glBitmap with fog enabled.

We would have to build the program with the appropriate fog mode, and
also supply the fog coordinate if appropriate.

Bug #19413.
(cherry picked from commit 8ae02a3919bf31bd33f86208472e100eedb58497)

---

 src/mesa/drivers/dri/intel/intel_pixel_bitmap.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
index a2ccae1..d137aef 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
@@ -409,6 +409,12 @@ intel_texture_bitmap(GLcontext * ctx,
       return GL_FALSE;
    }
 
+   if (ctx->Fog.Enabled) {
+      if (INTEL_DEBUG & DEBUG_FALLBACKS)
+	 fprintf(stderr, "glBitmap() fallback: fog\n");
+      return GL_FALSE;
+   }
+
    /* Check that we can load in a texture this big. */
    if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
        height > (1 << (ctx->Const.MaxTextureLevels - 1))) {