From b4b7326717d3253656f9702fc04f06f8d210a6aa Mon Sep 17 00:00:00 2001
From: "Xiang, Haihao" <haihao.xiang@intel.com>
Date: Fri, 18 Jul 2008 17:40:11 +0800
Subject: intel: fix texture border issue. (bug #16697)

---
 src/mesa/drivers/dri/i965/brw_fallback.c        | 5 ++++-
 src/mesa/drivers/dri/intel/intel_mipmap_tree.c  | 5 ++++-
 src/mesa/drivers/dri/intel/intel_tex_image.c    | 5 ++++-
 src/mesa/drivers/dri/intel/intel_tex_validate.c | 5 ++++-
 4 files changed, 16 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/mesa/drivers/dri/i965/brw_fallback.c b/src/mesa/drivers/dri/i965/brw_fallback.c
index b5cf821a938..8a8fb50cb99 100644
--- a/src/mesa/drivers/dri/i965/brw_fallback.c
+++ b/src/mesa/drivers/dri/i965/brw_fallback.c
@@ -73,7 +73,10 @@ static GLboolean do_check_fallback(struct brw_context *brw)
       if (texUnit->_ReallyEnabled) {
 	 struct intel_texture_object *intelObj = intel_texture_object(texUnit->_Current);
 	 struct gl_texture_image *texImage = intelObj->base.Image[0][intelObj->firstLevel];
-	 if (texImage->Border) {
+	 if (texImage->Border ||
+         ((texImage->_BaseFormat == GL_DEPTH_COMPONENT) &&
+          ((texImage->TexObject->WrapS == GL_CLAMP_TO_BORDER) || 
+           (texImage->TexObject->WrapT == GL_CLAMP_TO_BORDER)))) {
 	    DBG("FALLBACK: texture border\n");
 	    return GL_TRUE;
 	 }
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
index 9205627813c..1b645c72621 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
@@ -265,7 +265,10 @@ intel_miptree_match_image(struct intel_mipmap_tree *mt,
 {
    /* Images with borders are never pulled into mipmap trees. 
     */
-   if (image->Border) 
+   if (image->Border ||
+       ((image->_BaseFormat == GL_DEPTH_COMPONENT) &&
+        ((image->TexObject->WrapS == GL_CLAMP_TO_BORDER) ||
+         (image->TexObject->WrapT == GL_CLAMP_TO_BORDER)))) 
       return GL_FALSE;
 
    if (image->InternalFormat != mt->internal_format ||
diff --git a/src/mesa/drivers/dri/intel/intel_tex_image.c b/src/mesa/drivers/dri/intel/intel_tex_image.c
index 95ddbd59202..f261034c18f 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_image.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_image.c
@@ -75,7 +75,10 @@ guess_and_alloc_mipmap_tree(struct intel_context *intel,
 
    DBG("%s\n", __FUNCTION__);
 
-   if (intelImage->base.Border)
+   if (intelImage->base.Border ||
+       ((intelImage->base._BaseFormat == GL_DEPTH_COMPONENT) && 
+        ((intelObj->base.WrapS == GL_CLAMP_TO_BORDER) ||
+         (intelObj->base.WrapT == GL_CLAMP_TO_BORDER))))
       return;
 
    if (intelImage->level > intelObj->base.BaseLevel &&
diff --git a/src/mesa/drivers/dri/intel/intel_tex_validate.c b/src/mesa/drivers/dri/intel/intel_tex_validate.c
index 992c75c519d..f56c236e611 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_validate.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_validate.c
@@ -144,7 +144,10 @@ intel_finalize_mipmap_tree(struct intel_context *intel, GLuint unit)
 
    /* Fallback case:
     */
-   if (firstImage->base.Border) {
+   if (firstImage->base.Border ||
+       ((firstImage->base._BaseFormat == GL_DEPTH_COMPONENT) &&
+        ((tObj->WrapS == GL_CLAMP_TO_BORDER) ||
+         (tObj->WrapT == GL_CLAMP_TO_BORDER)))) {
       if (intelObj->mt) {
          intel_miptree_release(intel, &intelObj->mt);
       }
-- 
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