From: Zou Nan hai <nanhai.zou@intel.com>
Date: Wed, 26 Mar 2008 06:40:30 +0000 (+0800)
Subject: [i915] don't use 4x4 filter for 1D shadowmap
X-Git-Tag: mesa-7.8~5378
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d24a5254c2d4062017cad173eca15398cf4115bf;p=platform%2Fupstream%2Fmesa.git

[i915] don't use 4x4 filter for 1D shadowmap
---

diff --git a/src/mesa/drivers/dri/i915/i915_texstate.c b/src/mesa/drivers/dri/i915/i915_texstate.c
index 133514d..e489d25 100644
--- a/src/mesa/drivers/dri/i915/i915_texstate.c
+++ b/src/mesa/drivers/dri/i915/i915_texstate.c
@@ -249,8 +249,13 @@ i915_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
             (SS2_SHADOW_ENABLE |
              intel_translate_shadow_compare_func(tObj->CompareFunc));
 
-         minFilt = FILTER_4X4_FLAT;
-         magFilt = FILTER_4X4_FLAT;
+	 if (tObj->Target == GL_TEXTURE_1D) { 
+		 minFilt = FILTER_NEAREST;
+		 magFilt = FILTER_NEAREST;
+	 } else {
+         	minFilt = FILTER_4X4_FLAT;
+         	magFilt = FILTER_4X4_FLAT;
+	 }
       }
 
       state[I915_TEXREG_SS2] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |