i965: Fix bit allocation for number of color regions for ARB_draw_buffers.
If you used all 4 color targets we currently support, we would see 0
and end up just writing the first output. Give enough bits that we
can do the maximum of 16.
Fixes piglit fbo-drawbuffers-maxtargets.
diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h
index 5aade1c..277b6de 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.h
+++ b/src/mesa/drivers/dri/i965/brw_wm.h
@@ -67,7 +67,7 @@
GLuint flat_shade:1;
GLuint linear_color:1; /**< linear interpolation vs perspective interp */
GLuint runtime_check_aads_emit:1;
- GLuint nr_color_regions:2;
+ GLuint nr_color_regions:5;
GLbitfield proj_attrib_mask; /**< one bit per fragment program attribute */
GLuint shadowtex_mask:16;