From: Dave Airlie <airliedfreedesktop.org>
Date: Thu, 15 Jul 2004 10:47:13 +0000 (+0000)
Subject: fix up heights for i830/i915 texture compression
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c058917343e51610ddc4f1ad32e3f02d7c131129;p=mesa.git

fix up heights for i830/i915 texture compression
---

diff --git a/src/mesa/drivers/dri/i915/i830_texstate.c b/src/mesa/drivers/dri/i915/i830_texstate.c
index 476ee193917..39ba0b8ec31 100644
--- a/src/mesa/drivers/dri/i915/i830_texstate.c
+++ b/src/mesa/drivers/dri/i915/i830_texstate.c
@@ -157,7 +157,15 @@ static GLboolean i830SetTexImages( i830ContextPtr i830,
       
       t->intel.image[0][i].offset = total_height * pitch;
       t->intel.image[0][i].internalFormat = baseImage->Format;
-      total_height += MAX2(2, t->intel.image[0][i].image->Height);
+      if (t->intel.image[0][i].image->IsCompressed)
+	{
+	  if (t->intel.image[0][i].image->Height > 4)
+	    total_height += t->intel.image[0][i].image->Height/4;
+	  else
+	    total_height += 1;
+	}
+      else
+	total_height += MAX2(2, t->intel.image[0][i].image->Height);
    }
 
    t->intel.Pitch = pitch;
diff --git a/src/mesa/drivers/dri/i915/i915_texstate.c b/src/mesa/drivers/dri/i915/i915_texstate.c
index ec8f1fa2029..60ba0629528 100644
--- a/src/mesa/drivers/dri/i915/i915_texstate.c
+++ b/src/mesa/drivers/dri/i915/i915_texstate.c
@@ -238,7 +238,15 @@ static void i915SetTexImages( i915ContextPtr i915,
 	 
 	 t->intel.image[0][i].offset = total_height * pitch;
 	 t->intel.image[0][i].internalFormat = baseImage->Format;
-	 total_height += MAX2(2, t->intel.image[0][i].image->Height);
+	 if (t->intel.image[0][i].image->IsCompressed)
+	 {
+	   if (t->intel.image[0][i].image->Height > 4)
+	     total_height += t->intel.image[0][i].image->Height/4;
+	   else
+	     total_height += 1;
+	 }
+	 else
+	   total_height += MAX2(2, t->intel.image[0][i].image->Height);
       }
       break;
    }