Merge branch 'master' of git+ssh://[email protected]/git/mesa/mesa

32 files changed, 1080 insertions, 939 deletions

diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c
index 841c6a53026..e2eebccd477 100644
--- a/src/mesa/main/api_validate.c
+++ b/src/mesa/main/api_validate.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.0.1
+ * Version:  7.1
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
@@ -30,6 +30,55 @@
 #include "state.h"
 
 
+/**
+ * Find the max index in the given element/index buffer
+ */
+static GLuint
+max_buffer_index(GLcontext *ctx, GLuint count, GLenum type,
+                 const void *indices,
+                 struct gl_buffer_object *elementBuf)
+{
+   const GLubyte *map = NULL;
+   GLuint max = 0;
+   GLint i;
+
+   if (elementBuf->Name) {
+      /* elements are in a user-defined buffer object.  need to map it */
+      map = ctx->Driver.MapBuffer(ctx,
+                                  GL_ELEMENT_ARRAY_BUFFER_ARB,
+                                  GL_READ_ONLY,
+                                  elementBuf);
+      /* Actual address is the sum of pointers */
+      indices = (const GLvoid *) ADD_POINTERS(map, (const GLubyte *) indices);
+   }
+
+   if (type == GL_UNSIGNED_INT) {
+      for (i = 0; i < count; i++)
+         if (((GLuint *) indices)[i] > max)
+            max = ((GLuint *) indices)[i];
+   }
+   else if (type == GL_UNSIGNED_SHORT) {
+      for (i = 0; i < count; i++)
+         if (((GLushort *) indices)[i] > max)
+            max = ((GLushort *) indices)[i];
+   }
+   else {
+      ASSERT(type == GL_UNSIGNED_BYTE);
+      for (i = 0; i < count; i++)
+         if (((GLubyte *) indices)[i] > max)
+            max = ((GLubyte *) indices)[i];
+   }
+
+   if (map) {
+      ctx->Driver.UnmapBuffer(ctx,
+                              GL_ELEMENT_ARRAY_BUFFER_ARB,
+                              ctx->Array.ElementArrayBufferObj);
+   }
+
+   return max;
+}
+
+
 GLboolean
 _mesa_validate_DrawElements(GLcontext *ctx,
 			    GLenum mode, GLsizei count, GLenum type,
@@ -61,20 +110,15 @@ _mesa_validate_DrawElements(GLcontext *ctx,
 
    /* Always need vertex positions */
    if (!ctx->Array.ArrayObj->Vertex.Enabled
-       && !(ctx->VertexProgram._Enabled && ctx->Array.ArrayObj->VertexAttrib[0].Enabled))
+       && !(ctx->VertexProgram._Enabled
+            && ctx->Array.ArrayObj->VertexAttrib[0].Enabled))
       return GL_FALSE;
 
    /* Vertex buffer object tests */
    if (ctx->Array.ElementArrayBufferObj->Name) {
-      GLuint indexBytes;
-
       /* use indices in the buffer object */
-      if (!ctx->Array.ElementArrayBufferObj->Data) {
-         _mesa_warning(ctx, "DrawElements with empty vertex elements buffer!");
-         return GL_FALSE;
-      }
+      GLuint indexBytes;
 
-      /* make sure count doesn't go outside buffer bounds */
       if (type == GL_UNSIGNED_INT) {
          indexBytes = count * sizeof(GLuint);
       }
@@ -86,19 +130,11 @@ _mesa_validate_DrawElements(GLcontext *ctx,
          indexBytes = count * sizeof(GLushort);
       }
 
-      if ((GLubyte *) indices + indexBytes >
-          ctx->Array.ElementArrayBufferObj->Data +
-          ctx->Array.ElementArrayBufferObj->Size) {
+      /* make sure count doesn't go outside buffer bounds */
+      if (indexBytes > ctx->Array.ElementArrayBufferObj->Size) {
          _mesa_warning(ctx, "glDrawElements index out of buffer bounds");
          return GL_FALSE;
       }
-
-      /* Actual address is the sum of pointers.  Indices may be used below. */
-      if (ctx->Const.CheckArrayBounds) {
-         indices = (const GLvoid *)
-            ADD_POINTERS(ctx->Array.ElementArrayBufferObj->Data,
-                         (const GLubyte *) indices);
-      }
    }
    else {
       /* not using a VBO */
@@ -108,24 +144,8 @@ _mesa_validate_DrawElements(GLcontext *ctx,
 
    if (ctx->Const.CheckArrayBounds) {
       /* find max array index */
-      GLuint max = 0;
-      GLint i;
-      if (type == GL_UNSIGNED_INT) {
-         for (i = 0; i < count; i++)
-            if (((GLuint *) indices)[i] > max)
-               max = ((GLuint *) indices)[i];
-      }
-      else if (type == GL_UNSIGNED_SHORT) {
-         for (i = 0; i < count; i++)
-            if (((GLushort *) indices)[i] > max)
-               max = ((GLushort *) indices)[i];
-      }
-      else {
-         ASSERT(type == GL_UNSIGNED_BYTE);
-         for (i = 0; i < count; i++)
-            if (((GLubyte *) indices)[i] > max)
-               max = ((GLubyte *) indices)[i];
-      }
+      GLuint max = max_buffer_index(ctx, count, type, indices,
+                                    ctx->Array.ElementArrayBufferObj);
       if (max >= ctx->Array._MaxElement) {
          /* the max element is out of bounds of one or more enabled arrays */
          return GL_FALSE;
@@ -172,41 +192,41 @@ _mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode,
 
    /* Always need vertex positions */
    if (!ctx->Array.ArrayObj->Vertex.Enabled
-       && !(ctx->VertexProgram._Enabled && ctx->Array.ArrayObj->VertexAttrib[0].Enabled))
+       && !(ctx->VertexProgram._Enabled
+            && ctx->Array.ArrayObj->VertexAttrib[0].Enabled))
       return GL_FALSE;
 
    /* Vertex buffer object tests */
    if (ctx->Array.ElementArrayBufferObj->Name) {
-      /* XXX re-use code from above? */
+      /* use indices in the buffer object */
+      GLuint indexBytes;
+
+      if (type == GL_UNSIGNED_INT) {
+         indexBytes = count * sizeof(GLuint);
+      }
+      else if (type == GL_UNSIGNED_BYTE) {
+         indexBytes = count * sizeof(GLubyte);
+      }
+      else {
+         ASSERT(type == GL_UNSIGNED_SHORT);
+         indexBytes = count * sizeof(GLushort);
+      }
+
+      /* make sure count doesn't go outside buffer bounds */
+      if (indexBytes > ctx->Array.ElementArrayBufferObj->Size) {
+         _mesa_warning(ctx, "glDrawRangeElements index out of buffer bounds");
+         return GL_FALSE;
+      }
    }
    else {
-      /* not using VBO */
+      /* not using a VBO */
       if (!indices)
          return GL_FALSE;
    }
 
    if (ctx->Const.CheckArrayBounds) {
-      /* Find max array index.
-       * We don't trust the user's start and end values.
-       */
-      GLuint max = 0;
-      GLint i;
-      if (type == GL_UNSIGNED_INT) {
-         for (i = 0; i < count; i++)
-            if (((GLuint *) indices)[i] > max)
-               max = ((GLuint *) indices)[i];
-      }
-      else if (type == GL_UNSIGNED_SHORT) {
-         for (i = 0; i < count; i++)
-            if (((GLushort *) indices)[i] > max)
-               max = ((GLushort *) indices)[i];
-      }
-      else {
-         ASSERT(type == GL_UNSIGNED_BYTE);
-         for (i = 0; i < count; i++)
-            if (((GLubyte *) indices)[i] > max)
-               max = ((GLubyte *) indices)[i];
-      }
+      GLuint max = max_buffer_index(ctx, count, type, indices,
+                                    ctx->Array.ElementArrayBufferObj);
       if (max >= ctx->Array._MaxElement) {
          /* the max element is out of bounds of one or more enabled arrays */
          return GL_FALSE;
@@ -241,7 +261,8 @@ _mesa_validate_DrawArrays(GLcontext *ctx,
       _mesa_update_state(ctx);
 
    /* Always need vertex positions */
-   if (!ctx->Array.ArrayObj->Vertex.Enabled && !ctx->Array.ArrayObj->VertexAttrib[0].Enabled)
+   if (!ctx->Array.ArrayObj->Vertex.Enabled
+       && !ctx->Array.ArrayObj->VertexAttrib[0].Enabled)
       return GL_FALSE;
 
    if (ctx->Const.CheckArrayBounds) {
diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c
index b422198f929..3199c9b426b 100644
--- a/src/mesa/main/attrib.c
+++ b/src/mesa/main/attrib.c
@@ -52,6 +52,24 @@
 
 
 /**
+ * Special struct for saving/restoring texture state (GL_TEXTURE_BIT)
+ */
+struct texture_state
+{
+   struct gl_texture_attrib Texture;  /**< The usual context state */
+
+   /** to save per texture object state (wrap modes, filters, etc): */
+   struct gl_texture_object SavedObj[MAX_TEXTURE_UNITS][NUM_TEXTURE_TARGETS];
+
+   /**
+    * To save references to texture objects (so they don't get accidentally
+    * deleted while saved in the attribute stack).
+    */
+   struct gl_texture_object *SavedTexRef[MAX_TEXTURE_UNITS][NUM_TEXTURE_TARGETS];
+};
+
+
+/**
  * Allocate a new attribute state node.  These nodes have a
  * "kind" value and a pointer to a struct of state data.
  */
@@ -339,46 +357,61 @@ _mesa_PushAttrib(GLbitfield mask)
    }
 
    if (mask & GL_TEXTURE_BIT) {
-      struct gl_texture_attrib *attr;
+      struct texture_state *texstate = CALLOC_STRUCT(texture_state);
       GLuint u;
 
+      if (!texstate) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib(GL_TEXTURE_BIT)");
+         goto end;
+      }
+
       _mesa_lock_context_textures(ctx);
-      /* Bump the texture object reference counts so that they don't
-       * inadvertantly get deleted.
+
+      /* copy/save the bulk of texture state here */
+      _mesa_memcpy(&texstate->Texture, &ctx->Texture, sizeof(ctx->Texture));
+
+      /* Save references to the currently bound texture objects so they don't
+       * accidentally get deleted while referenced in the attribute stack.
        */
       for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
-	 ctx->Texture.Unit[u].Current1D->RefCount++;
-	 ctx->Texture.Unit[u].Current2D->RefCount++;
-	 ctx->Texture.Unit[u].Current3D->RefCount++;
-	 ctx->Texture.Unit[u].CurrentCubeMap->RefCount++;
-	 ctx->Texture.Unit[u].CurrentRect->RefCount++;
-	 ctx->Texture.Unit[u].Current1DArray->RefCount++;
-	 ctx->Texture.Unit[u].Current2DArray->RefCount++;
+         _mesa_reference_texobj(&texstate->SavedTexRef[u][TEXTURE_1D_INDEX],
+                                ctx->Texture.Unit[u].Current1D);
+         _mesa_reference_texobj(&texstate->SavedTexRef[u][TEXTURE_2D_INDEX],
+                                ctx->Texture.Unit[u].Current2D);
+         _mesa_reference_texobj(&texstate->SavedTexRef[u][TEXTURE_3D_INDEX],
+                                ctx->Texture.Unit[u].Current3D);
+         _mesa_reference_texobj(&texstate->SavedTexRef[u][TEXTURE_CUBE_INDEX],
+                                ctx->Texture.Unit[u].CurrentCubeMap);
+         _mesa_reference_texobj(&texstate->SavedTexRef[u][TEXTURE_RECT_INDEX],
+                                ctx->Texture.Unit[u].CurrentRect);
+         _mesa_reference_texobj(&texstate->SavedTexRef[u][TEXTURE_1D_ARRAY_INDEX],
+                                ctx->Texture.Unit[u].Current1DArray);
+         _mesa_reference_texobj(&texstate->SavedTexRef[u][TEXTURE_2D_ARRAY_INDEX],
+                                ctx->Texture.Unit[u].Current2DArray);
       }
-      attr = MALLOC_STRUCT( gl_texture_attrib );
-      MEMCPY( attr, &ctx->Texture, sizeof(struct gl_texture_attrib) );
-      /* copy state of the currently bound texture objects */
+
+      /* copy state/contents of the currently bound texture objects */
       for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
-         _mesa_copy_texture_object(&attr->Unit[u].Saved1D,
-                                   attr->Unit[u].Current1D);
-         _mesa_copy_texture_object(&attr->Unit[u].Saved2D,
-                                   attr->Unit[u].Current2D);
-         _mesa_copy_texture_object(&attr->Unit[u].Saved3D,
-                                   attr->Unit[u].Current3D);
-         _mesa_copy_texture_object(&attr->Unit[u].SavedCubeMap,
-                                   attr->Unit[u].CurrentCubeMap);
-         _mesa_copy_texture_object(&attr->Unit[u].SavedRect,
-                                   attr->Unit[u].CurrentRect);
-         _mesa_copy_texture_object(&attr->Unit[u].Saved1DArray,
-                                   attr->Unit[u].Current1DArray);
-         _mesa_copy_texture_object(&attr->Unit[u].Saved2DArray,
-                                   attr->Unit[u].Current2DArray);
+         _mesa_copy_texture_object(&texstate->SavedObj[u][TEXTURE_1D_INDEX],
+                                   ctx->Texture.Unit[u].Current1D);
+         _mesa_copy_texture_object(&texstate->SavedObj[u][TEXTURE_2D_INDEX],
+                                   ctx->Texture.Unit[u].Current2D);
+         _mesa_copy_texture_object(&texstate->SavedObj[u][TEXTURE_3D_INDEX],
+                                   ctx->Texture.Unit[u].Current3D);
+         _mesa_copy_texture_object(&texstate->SavedObj[u][TEXTURE_CUBE_INDEX],
+                                   ctx->Texture.Unit[u].CurrentCubeMap);
+         _mesa_copy_texture_object(&texstate->SavedObj[u][TEXTURE_RECT_INDEX],
+                                   ctx->Texture.Unit[u].CurrentRect);
+         _mesa_copy_texture_object(&texstate->SavedObj[u][TEXTURE_1D_ARRAY_INDEX],
+                                   ctx->Texture.Unit[u].Current1DArray);
+         _mesa_copy_texture_object(&texstate->SavedObj[u][TEXTURE_2D_ARRAY_INDEX],
+                                   ctx->Texture.Unit[u].Current2DArray);
       }
 
       _mesa_unlock_context_textures(ctx);
 
       newnode = new_attrib_node( GL_TEXTURE_BIT );
-      newnode->data = attr;
+      newnode->data = texstate;
       newnode->next = head;
       head = newnode;
    }
@@ -414,6 +447,7 @@ _mesa_PushAttrib(GLbitfield mask)
       head = newnode;
    }
 
+end:
    ctx->AttribStack[ctx->AttribStackDepth] = head;
    ctx->AttribStackDepth++;
 }
@@ -623,14 +657,19 @@ pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable)
 }
 
 
+/**
+ * Pop/restore texture attribute/group state.
+ */
 static void
-pop_texture_group(GLcontext *ctx, const struct gl_texture_attrib *texAttrib)
+pop_texture_group(GLcontext *ctx, struct texture_state *texstate)
 {
    GLuint u;
 
+   _mesa_lock_context_textures(ctx);
+
    for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
-      const struct gl_texture_unit *unit = &texAttrib->Unit[u];
-      GLuint i;
+      const struct gl_texture_unit *unit = &texstate->Texture.Unit[u];
+      GLuint tgt;
 
       _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + u);
       _mesa_set_enable(ctx, GL_TEXTURE_1D,
@@ -723,53 +762,33 @@ pop_texture_group(GLcontext *ctx, const struct gl_texture_attrib *texAttrib)
                        1 << unit->Combine.ScaleShiftA);
       }
 
-      /* Restore texture object state */
-      for (i = 0; i < NUM_TEXTURE_TARGETS; i++) {
-         GLenum target = 0;
+      /* Restore texture object state for each target */
+      for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
          const struct gl_texture_object *obj = NULL;
          GLfloat bordColor[4];
+         GLenum target;
 
-         switch (i) {
-         case 0:
-            target = GL_TEXTURE_1D;
-            obj = &unit->Saved1D;
-            break;
-         case 1:
-            target = GL_TEXTURE_2D;
-            obj = &unit->Saved2D;
-            break;
-         case 2:
-            target = GL_TEXTURE_3D;
-            obj = &unit->Saved3D;
-            break;
-         case 3:
-            if (!ctx->Extensions.ARB_texture_cube_map)
-               continue;
-            target = GL_TEXTURE_CUBE_MAP_ARB;
-            obj = &unit->SavedCubeMap;
-            break;
-         case 4:
-            if (!ctx->Extensions.NV_texture_rectangle)
-               continue;
-            target = GL_TEXTURE_RECTANGLE_NV;
-            obj = &unit->SavedRect;
-            break;
-         case 5:
-            if (!ctx->Extensions.MESA_texture_array)
-               continue;
-            target = GL_TEXTURE_1D_ARRAY_EXT;
-            obj = &unit->Saved1DArray;
-            break;
-         case 6:
-            if (!ctx->Extensions.MESA_texture_array)
-               continue;
-            target = GL_TEXTURE_2D_ARRAY_EXT;
-            obj = &unit->Saved2DArray;
-            break;
-         default:
-            ; /* silence warnings */
+         obj = &texstate->SavedObj[u][tgt];
+
+         /* don't restore state for unsupported targets to prevent
+          * raising GL errors.
+          */
+         if (obj->Target == GL_TEXTURE_CUBE_MAP_ARB &&
+             !ctx->Extensions.ARB_texture_cube_map) {
+            continue;
+         }
+         else if (obj->Target == GL_TEXTURE_RECTANGLE_NV &&
+                  !ctx->Extensions.NV_texture_rectangle) {
+            continue;
+         }
+         else if ((obj->Target == GL_TEXTURE_1D_ARRAY_EXT ||
+                   obj->Target == GL_TEXTURE_2D_ARRAY_EXT) &&
+                  !ctx->Extensions.MESA_texture_array) {
+            continue;
          }
 
+         target = obj->Target;
+
          _mesa_BindTexture(target, obj->Name);
 
          bordColor[0] = CHAN_TO_FLOAT(obj->BorderColor[0]);
@@ -777,8 +796,8 @@ pop_texture_group(GLcontext *ctx, const struct gl_texture_attrib *texAttrib)
          bordColor[2] = CHAN_TO_FLOAT(obj->BorderColor[2]);
          bordColor[3] = CHAN_TO_FLOAT(obj->BorderColor[3]);
 
-         _mesa_TexParameterf(target, GL_TEXTURE_PRIORITY, obj->Priority);
          _mesa_TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, bordColor);
+         _mesa_TexParameterf(target, GL_TEXTURE_PRIORITY, obj->Priority);
          _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, obj->WrapS);
          _mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, obj->WrapT);
          _mesa_TexParameteri(target, GL_TEXTURE_WRAP_R, obj->WrapR);
@@ -804,25 +823,17 @@ pop_texture_group(GLcontext *ctx, const struct gl_texture_attrib *texAttrib)
             _mesa_TexParameterf(target, GL_SHADOW_AMBIENT_SGIX,
                                 obj->ShadowAmbient);
          }
+      }
 
+      /* remove saved references to the texture objects */
+      for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+         _mesa_reference_texobj(&texstate->SavedTexRef[u][tgt], NULL);
       }
    }
-   _mesa_ActiveTextureARB(GL_TEXTURE0_ARB
-                          + texAttrib->CurrentUnit);
 
-   /* "un-bump" the texture object reference counts.  We did that so they
-    * wouldn't inadvertantly get deleted while they were still referenced
-    * inside the attribute state stack.
-    */
-   for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
-      ctx->Texture.Unit[u].Current1D->RefCount--;
-      ctx->Texture.Unit[u].Current2D->RefCount--;
-      ctx->Texture.Unit[u].Current3D->RefCount--;
-      ctx->Texture.Unit[u].CurrentCubeMap->RefCount--;
-      ctx->Texture.Unit[u].CurrentRect->RefCount--;
-      ctx->Texture.Unit[u].Current1DArray->RefCount--;
-      ctx->Texture.Unit[u].Current2DArray->RefCount--;
-   }
+   _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + texstate->Texture.CurrentUnit);
+
+   _mesa_unlock_context_textures(ctx);
 }
 
 
@@ -1201,9 +1212,9 @@ _mesa_PopAttrib(void)
          case GL_TEXTURE_BIT:
             /* Take care of texture object reference counters */
             {
-               const struct gl_texture_attrib *texture;
-               texture = (const struct gl_texture_attrib *) attr->data;
-               pop_texture_group(ctx, texture);
+               struct texture_state *texstate
+                  = (struct texture_state *) attr->data;
+               pop_texture_group(ctx, texstate);
 	       ctx->NewState |= _NEW_TEXTURE;
             }
             break;
@@ -1425,6 +1436,42 @@ _mesa_PopClientAttrib(void)
 }
 
 
+/**
+ * Free any attribute state data that might be attached to the context.
+ */
+void
+_mesa_free_attrib_data(GLcontext *ctx)
+{
+   while (ctx->AttribStackDepth > 0) {
+      struct gl_attrib_node *attr, *next;
+
+      ctx->AttribStackDepth--;
+      attr = ctx->AttribStack[ctx->AttribStackDepth];
+
+      while (attr) {
+         if (attr->kind == GL_TEXTURE_BIT) {
+            struct texture_state *texstate = (struct texture_state*)attr->data;
+            GLuint u, tgt;
+            /* clear references to the saved texture objects */
+            for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+               for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+                  _mesa_reference_texobj(&texstate->SavedTexRef[u][tgt], NULL);
+               }
+            }
+         }
+         else {
+            /* any other chunks of state that requires special handling? */
+         }
+
+         next = attr->next;
+         _mesa_free(attr->data);
+         _mesa_free(attr);
+         attr = next;
+      }
+   }
+}
+
+
 void _mesa_init_attrib( GLcontext *ctx )
 {
    /* Renderer and client attribute stacks */
diff --git a/src/mesa/main/attrib.h b/src/mesa/main/attrib.h
index 09d75196b23..2cf8fe69345 100644
--- a/src/mesa/main/attrib.h
+++ b/src/mesa/main/attrib.h
@@ -1,18 +1,8 @@
-/**
- * \file attrib.h
- * Attribute stacks.
- * 
- * \if subset
- * (No-op)
- *
- * \endif
- */
-
 /*
  * Mesa 3-D graphics library
- * Version:  5.1
+ * Version:  7.1
  *
- * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -32,8 +22,6 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-
-
 #ifndef ATTRIB_H
 #define ATTRIB_H
 
@@ -58,10 +46,14 @@ _mesa_PopClientAttrib( void );
 extern void 
 _mesa_init_attrib( GLcontext *ctx );
 
+extern void 
+_mesa_free_attrib_data( GLcontext *ctx );
+
 #else
 
 /** No-op */
 #define _mesa_init_attrib( c ) ((void)0)
+#define _mesa_free_attrib_data( c ) ((void)0)
 
 #endif
 
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 009055a6ab6..9ad2dccc124 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -409,6 +409,101 @@ _mesa_init_buffer_objects( GLcontext *ctx )
    ctx->Array.ElementArrayBufferObj = ctx->Array.NullBufferObj;
 }
 
+/**
+ * Bind the specified target to buffer for the specified context.
+ */
+static void
+bind_buffer_object(GLcontext *ctx, GLenum target, GLuint buffer)
+{
+   struct gl_buffer_object *oldBufObj;
+   struct gl_buffer_object *newBufObj = NULL;
+   struct gl_buffer_object **bindTarget = NULL;
+
+   switch (target) {
+   case GL_ARRAY_BUFFER_ARB:
+      bindTarget = &ctx->Array.ArrayBufferObj;
+      break;
+   case GL_ELEMENT_ARRAY_BUFFER_ARB:
+      bindTarget = &ctx->Array.ElementArrayBufferObj;
+      break;
+   case GL_PIXEL_PACK_BUFFER_EXT:
+      bindTarget = &ctx->Pack.BufferObj;
+      break;
+   case GL_PIXEL_UNPACK_BUFFER_EXT:
+      bindTarget = &ctx->Unpack.BufferObj;
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target)");
+      return;
+   }
+
+   /* Get pointer to old buffer object (to be unbound) */
+   oldBufObj = get_buffer(ctx, target);
+   if (oldBufObj && oldBufObj->Name == buffer)
+      return;   /* rebinding the same buffer object- no change */
+
+   /*
+    * Get pointer to new buffer object (newBufObj)
+    */
+   if (buffer == 0) {
+      /* The spec says there's not a buffer object named 0, but we use
+       * one internally because it simplifies things.
+       */
+      newBufObj = ctx->Array.NullBufferObj;
+   }
+   else {
+      /* non-default buffer object */
+      newBufObj = _mesa_lookup_bufferobj(ctx, buffer);
+      if (!newBufObj) {
+         /* if this is a new buffer object id, allocate a buffer object now */
+         ASSERT(ctx->Driver.NewBufferObject);
+         newBufObj = ctx->Driver.NewBufferObject(ctx, buffer, target);
+         if (!newBufObj) {
+            _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindBufferARB");
+            return;
+         }
+         _mesa_save_buffer_object(ctx, newBufObj);
+      }
+   }
+   
+   /* Make new binding */
+   *bindTarget = newBufObj;
+   newBufObj->RefCount++;
+
+   /* Pass BindBuffer call to device driver */
+   if (ctx->Driver.BindBuffer && newBufObj)
+      ctx->Driver.BindBuffer( ctx, target, newBufObj );
+
+   /* decr ref count on old buffer obj, delete if needed */
+   if (oldBufObj) {
+      oldBufObj->RefCount--;
+      assert(oldBufObj->RefCount >= 0);
+      if (oldBufObj->RefCount == 0) {
+         assert(oldBufObj->Name != 0);
+         ASSERT(ctx->Driver.DeleteBuffer);
+         ctx->Driver.DeleteBuffer( ctx, oldBufObj );
+      }
+   }
+}
+
+
+/**
+ * Update the default buffer objects in the given context to reference those
+ * specified in the shared state and release those referencing the old 
+ * shared state.
+ */
+void
+_mesa_update_default_objects_buffer_objects(GLcontext *ctx)
+{
+   /* Bind the NullBufferObj to remove references to those
+    * in the shared context hash table.
+    */
+   bind_buffer_object( ctx, GL_ARRAY_BUFFER_ARB, 0);
+   bind_buffer_object( ctx, GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
+   bind_buffer_object( ctx, GL_PIXEL_PACK_BUFFER_ARB, 0);
+   bind_buffer_object( ctx, GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+}
+
 
 /**
  * When we're about to read pixel data out of a PBO (via glDrawPixels,
@@ -493,76 +588,9 @@ void GLAPIENTRY
 _mesa_BindBufferARB(GLenum target, GLuint buffer)
 {
    GET_CURRENT_CONTEXT(ctx);
-   struct gl_buffer_object *oldBufObj;
-   struct gl_buffer_object *newBufObj = NULL;
-   struct gl_buffer_object **bindTarget = NULL;
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   switch (target) {
-      case GL_ARRAY_BUFFER_ARB:
-         bindTarget = &ctx->Array.ArrayBufferObj;
-         break;
-      case GL_ELEMENT_ARRAY_BUFFER_ARB:
-         bindTarget = &ctx->Array.ElementArrayBufferObj;
-         break;
-      case GL_PIXEL_PACK_BUFFER_EXT:
-         bindTarget = &ctx->Pack.BufferObj;
-         break;
-      case GL_PIXEL_UNPACK_BUFFER_EXT:
-         bindTarget = &ctx->Unpack.BufferObj;
-         break;
-      default:
-         _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target)");
-         return;
-   }
-
-   /* Get pointer to old buffer object (to be unbound) */
-   oldBufObj = get_buffer(ctx, target);
-   if (oldBufObj && oldBufObj->Name == buffer)
-      return;   /* rebinding the same buffer object- no change */
-
-   /*
-    * Get pointer to new buffer object (newBufObj)
-    */
-   if (buffer == 0) {
-      /* The spec says there's not a buffer object named 0, but we use
-       * one internally because it simplifies things.
-       */
-      newBufObj = ctx->Array.NullBufferObj;
-   }
-   else {
-      /* non-default buffer object */
-      newBufObj = _mesa_lookup_bufferobj(ctx, buffer);
-      if (!newBufObj) {
-         /* if this is a new buffer object id, allocate a buffer object now */
-         ASSERT(ctx->Driver.NewBufferObject);
-	 newBufObj = ctx->Driver.NewBufferObject(ctx, buffer, target);
-         if (!newBufObj) {
-            _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindBufferARB");
-            return;
-         }
-         _mesa_save_buffer_object(ctx, newBufObj);
-      }
-   }
-   
-   /* Make new binding */
-   *bindTarget = newBufObj;
-   newBufObj->RefCount++;
-
-   /* Pass BindBuffer call to device driver */
-   if (ctx->Driver.BindBuffer && newBufObj)
-      ctx->Driver.BindBuffer( ctx, target, newBufObj );
-
-   /* decr ref count on old buffer obj, delete if needed */
-   if (oldBufObj) {
-      oldBufObj->RefCount--;
-      assert(oldBufObj->RefCount >= 0);
-      if (oldBufObj->RefCount == 0) {
-	 assert(oldBufObj->Name != 0);
-	 ASSERT(ctx->Driver.DeleteBuffer);
-	 ctx->Driver.DeleteBuffer( ctx, oldBufObj );
-      }
-   }
+   bind_buffer_object(ctx, target, buffer);
 }
 
 
@@ -658,9 +686,9 @@ _mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
             _mesa_BindBufferARB( GL_PIXEL_UNPACK_BUFFER_EXT, 0 );
          }
 
-	 /* The ID is immediately freed for re-use */
-	 _mesa_remove_buffer_object(ctx, bufObj);
-	 _mesa_unbind_buffer_object(ctx, bufObj);
+         /* The ID is immediately freed for re-use */
+         _mesa_remove_buffer_object(ctx, bufObj);
+         _mesa_unbind_buffer_object(ctx, bufObj);
       }
    }
 
diff --git a/src/mesa/main/bufferobj.h b/src/mesa/main/bufferobj.h
index f54f9e9ff00..1d2715da846 100644
--- a/src/mesa/main/bufferobj.h
+++ b/src/mesa/main/bufferobj.h
@@ -38,6 +38,9 @@
 extern void
 _mesa_init_buffer_objects( GLcontext *ctx );
 
+extern void
+_mesa_update_default_objects_buffer_objects(GLcontext *ctx);
+
 extern struct gl_buffer_object *
 _mesa_new_buffer_object( GLcontext *ctx, GLuint name, GLenum target );
 
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index 0e6ca8ea1c2..cbbe3e8698b 100644
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -336,6 +336,20 @@ read_buffer_enum_to_index(GLenum buffer)
  * \sa _mesa_DrawBuffersARB
  *
  * \param buffer  buffer token such as GL_LEFT or GL_FRONT_AND_BACK, etc.
+ *
+ * Note that the behaviour of this function depends on whether the
+ * current ctx->DrawBuffer is a window-system framebuffer (Name=0) or
+ * a user-created framebuffer object (Name!=0).
+ *   In the former case, we update the per-context ctx->Color.DrawBuffer
+ *   state var _and_ the FB's ColorDrawBuffer state.
+ *   In the later case, we update the FB's ColorDrawBuffer state only.
+ *
+ * Furthermore, upon a MakeCurrent() or BindFramebuffer() call, if the
+ * new FB is a window system FB, we need to re-update the FB's
+ * ColorDrawBuffer state to match the context.  This is handled in
+ * _mesa_update_framebuffer().
+ *
+ * See the GL_EXT_framebuffer_object spec for more info.
  */
 void GLAPIENTRY
 _mesa_DrawBuffer(GLenum buffer)
@@ -479,17 +493,22 @@ set_color_output(GLcontext *ctx, GLuint output, GLenum buffer,
    /* not really needed, will be set later */
    fb->_NumColorDrawBuffers[output] = 0;
 
-   if (fb->Name == 0)
-   /* Set traditional state var */
+   if (fb->Name == 0) {
+      /* Only set the per-context DrawBuffer state if we're currently
+       * drawing to a window system framebuffer.
+       */
       ctx->Color.DrawBuffer[output] = buffer;
+   }
 }
 
 
 /**
- * Helper routine used by _mesa_DrawBuffer, _mesa_DrawBuffersARB and
- * other places (window fbo fixup) to set fbo (and the old ctx) fields.
+ * Helper function to set the GL_DRAW_BUFFER state in the context and
+ * current FBO.
+ *
  * All error checking will have been done prior to calling this function
  * so nothing should go wrong at this point.
+ *
  * \param ctx  current context
  * \param n    number of color outputs to set
  * \param buffers  array[n] of colorbuffer names, like GL_LEFT.
@@ -529,43 +548,29 @@ _mesa_drawbuffers(GLcontext *ctx, GLuint n, const GLenum *buffers,
 }
 
 
-GLboolean
-_mesa_readbuffer_update_fields(GLcontext *ctx, GLenum buffer)
+/**
+ * Like \sa _mesa_drawbuffers(), this is a helper function for setting
+ * GL_READ_BUFFER state in the context and current FBO.
+ * \param ctx  the rendering context
+ * \param buffer  GL_FRONT, GL_BACK, GL_COLOR_ATTACHMENT0, etc.
+ * \param bufferIndex  the numerical index corresponding to 'buffer'
+ */
+void
+_mesa_readbuffer(GLcontext *ctx, GLenum buffer, GLint bufferIndex)
 {
-   struct gl_framebuffer *fb;
-   GLbitfield supportedMask;
-   GLint srcBuffer;
-
-   fb = ctx->ReadBuffer;
-
-   if (MESA_VERBOSE & VERBOSE_API)
-      _mesa_debug(ctx, "glReadBuffer %s\n", _mesa_lookup_enum_by_nr(buffer));
-
-   if (fb->Name > 0 && buffer == GL_NONE) {
-      /* This is legal for user-created framebuffer objects */
-      srcBuffer = -1;
-   }
-   else {
-      /* general case / window-system framebuffer */
-      srcBuffer = read_buffer_enum_to_index(buffer);
-      if (srcBuffer == -1) {
-         _mesa_error(ctx, GL_INVALID_ENUM, "glReadBuffer(buffer=0x%x)", buffer);
-         return GL_FALSE;
-      }
-      supportedMask = supported_buffer_bitmask(ctx, fb);
-      if (((1 << srcBuffer) & supportedMask) == 0) {
-         _mesa_error(ctx, GL_INVALID_OPERATION, "glReadBuffer(buffer=0x%x)", buffer);
-         return GL_FALSE;
-      }
-   }
+   struct gl_framebuffer *fb = ctx->ReadBuffer;
 
    if (fb->Name == 0) {
+      /* Only update the per-context READ_BUFFER state if we're bound to
+       * a window-system framebuffer.
+       */
       ctx->Pixel.ReadBuffer = buffer;
    }
+
    fb->ColorReadBuffer = buffer;
-   fb->_ColorReadBufferIndex = srcBuffer;
+   fb->_ColorReadBufferIndex = bufferIndex;
 
-   return GL_TRUE;
+   ctx->NewState |= _NEW_PIXEL;
 }
 
 
@@ -577,16 +582,43 @@ _mesa_readbuffer_update_fields(GLcontext *ctx, GLenum buffer)
 void GLAPIENTRY
 _mesa_ReadBuffer(GLenum buffer)
 {
+   struct gl_framebuffer *fb;
+   GLbitfield supportedMask;
+   GLint srcBuffer;
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
 
    if (MESA_VERBOSE & VERBOSE_API)
       _mesa_debug(ctx, "glReadBuffer %s\n", _mesa_lookup_enum_by_nr(buffer));
 
-   if (!_mesa_readbuffer_update_fields(ctx, buffer))
-      return;
+   fb = ctx->ReadBuffer;
 
-   ctx->NewState |= _NEW_PIXEL;
+   if (MESA_VERBOSE & VERBOSE_API)
+      _mesa_debug(ctx, "glReadBuffer %s\n", _mesa_lookup_enum_by_nr(buffer));
+
+   if (fb->Name > 0 && buffer == GL_NONE) {
+      /* This is legal for user-created framebuffer objects */
+      srcBuffer = -1;
+   }
+   else {
+      /* general case / window-system framebuffer */
+      srcBuffer = read_buffer_enum_to_index(buffer);
+      if (srcBuffer == -1) {
+         _mesa_error(ctx, GL_INVALID_ENUM,
+                     "glReadBuffer(buffer=0x%x)", buffer);
+         return;
+      }
+      supportedMask = supported_buffer_bitmask(ctx, fb);
+      if (((1 << srcBuffer) & supportedMask) == 0) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glReadBuffer(buffer=0x%x)", buffer);
+         return;
+      }
+   }
+
+   /* OK, all error checking has been completed now */
+
+   _mesa_readbuffer(ctx, buffer, srcBuffer);
 
    /*
     * Call device driver function.
diff --git a/src/mesa/main/buffers.h b/src/mesa/main/buffers.h
index 208e7af2b93..9c0070e00f1 100644
--- a/src/mesa/main/buffers.h
+++ b/src/mesa/main/buffers.h
@@ -5,9 +5,9 @@
 
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
+ * Version:  7.1
  *
- * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -56,8 +56,8 @@ extern void
 _mesa_drawbuffers(GLcontext *ctx, GLuint n, const GLenum *buffers,
                   const GLbitfield *destMask);
 
-extern GLboolean
-_mesa_readbuffer_update_fields(GLcontext *ctx, GLenum buffer);
+extern void
+_mesa_readbuffer(GLcontext *ctx, GLenum buffer, GLint bufferIndex);
 
 extern void GLAPIENTRY
 _mesa_ReadBuffer( GLenum mode );
diff --git a/src/mesa/main/colortab.c b/src/mesa/main/colortab.c
index 610acba3068..97120398f9b 100644
--- a/src/mesa/main/colortab.c
+++ b/src/mesa/main/colortab.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.3
+ * Version:  7.1
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
@@ -30,6 +30,7 @@
 #include "image.h"
 #include "macros.h"
 #include "state.h"
+#include "teximage.h"
 
 
 /**
@@ -305,49 +306,6 @@ _mesa_ColorTable( GLenum target, GLenum internalFormat,
    ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
 
    switch (target) {
-      case GL_TEXTURE_1D:
-         texObj = texUnit->Current1D;
-         table = &texObj->Palette;
-         break;
-      case GL_TEXTURE_2D:
-         texObj = texUnit->Current2D;
-         table = &texObj->Palette;
-         break;
-      case GL_TEXTURE_3D:
-         texObj = texUnit->Current3D;
-         table = &texObj->Palette;
-         break;
-      case GL_TEXTURE_CUBE_MAP_ARB:
-         if (!ctx->Extensions.ARB_texture_cube_map) {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
-            return;
-         }
-         texObj = texUnit->CurrentCubeMap;
-         table = &texObj->Palette;
-         break;
-      case GL_PROXY_TEXTURE_1D:
-         texObj = ctx->Texture.Proxy1D;
-         table = &texObj->Palette;
-         proxy = GL_TRUE;
-         break;
-      case GL_PROXY_TEXTURE_2D:
-         texObj = ctx->Texture.Proxy2D;
-         table = &texObj->Palette;
-         proxy = GL_TRUE;
-         break;
-      case GL_PROXY_TEXTURE_3D:
-         texObj = ctx->Texture.Proxy3D;
-         table = &texObj->Palette;
-         proxy = GL_TRUE;
-         break;
-      case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
-         if (!ctx->Extensions.ARB_texture_cube_map) {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
-            return;
-         }
-         texObj = ctx->Texture.ProxyCubeMap;
-         table = &texObj->Palette;
-         break;
       case GL_SHARED_TEXTURE_PALETTE_EXT:
          table = &ctx->Texture.Palette;
          break;
@@ -396,8 +354,19 @@ _mesa_ColorTable( GLenum target, GLenum internalFormat,
          proxy = GL_TRUE;
          break;
       default:
-         _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
-         return;
+         /* try texture targets */
+         {
+            struct gl_texture_object *texobj
+               = _mesa_select_tex_object(ctx, texUnit, target);
+            if (texobj) {
+               table = &texobj->Palette;
+               proxy = _mesa_is_proxy_texture(target);
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
+               return;
+            }
+         }
    }
 
    assert(table);
@@ -499,26 +468,6 @@ _mesa_ColorSubTable( GLenum target, GLsizei start,
    ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
 
    switch (target) {
-      case GL_TEXTURE_1D:
-         texObj = texUnit->Current1D;
-         table = &texObj->Palette;
-         break;
-      case GL_TEXTURE_2D:
-         texObj = texUnit->Current2D;
-         table = &texObj->Palette;
-         break;
-      case GL_TEXTURE_3D:
-         texObj = texUnit->Current3D;
-         table = &texObj->Palette;
-         break;
-      case GL_TEXTURE_CUBE_MAP_ARB:
-         if (!ctx->Extensions.ARB_texture_cube_map) {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
-            return;
-         }
-         texObj = texUnit->CurrentCubeMap;
-         table = &texObj->Palette;
-         break;
       case GL_SHARED_TEXTURE_PALETTE_EXT:
          table = &ctx->Texture.Palette;
          break;
@@ -547,8 +496,15 @@ _mesa_ColorSubTable( GLenum target, GLsizei start,
          bias = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCOLORMATRIX];
          break;
       default:
-         _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
-         return;
+         /* try texture targets */
+         texObj = _mesa_select_tex_object(ctx, texUnit, target);
+         if (texObj && !_mesa_is_proxy_texture(target)) {
+            table = &texObj->Palette;
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
+            return;
+         }
    }
 
    assert(table);
@@ -636,22 +592,6 @@ _mesa_GetColorTable( GLenum target, GLenum format,
    }
 
    switch (target) {
-      case GL_TEXTURE_1D:
-         table = &texUnit->Current1D->Palette;
-         break;
-      case GL_TEXTURE_2D:
-         table = &texUnit->Current2D->Palette;
-         break;
-      case GL_TEXTURE_3D:
-         table = &texUnit->Current3D->Palette;
-         break;
-      case GL_TEXTURE_CUBE_MAP_ARB:
-         if (!ctx->Extensions.ARB_texture_cube_map) {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
-            return;
-         }
-         table = &texUnit->CurrentCubeMap->Palette;
-         break;
       case GL_SHARED_TEXTURE_PALETTE_EXT:
          table = &ctx->Texture.Palette;
          break;
@@ -672,8 +612,18 @@ _mesa_GetColorTable( GLenum target, GLenum format,
          table = &ctx->ColorTable[COLORTABLE_POSTCOLORMATRIX];
          break;
       default:
-         _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
-         return;
+         /* try texture targets */
+         {
+            struct gl_texture_object *texobj
+               = _mesa_select_tex_object(ctx, texUnit, target);
+            if (texobj && !_mesa_is_proxy_texture(target)) {
+               table = &texobj->Palette;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
+               return;
+            }
+         }
    }
 
    ASSERT(table);
@@ -781,65 +731,41 @@ _mesa_GetColorTable( GLenum target, GLenum format,
 void GLAPIENTRY
 _mesa_ColorTableParameterfv(GLenum target, GLenum pname, const GLfloat *params)
 {
+   GLfloat *scale, *bias;
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
 
    switch (target) {
-      case GL_COLOR_TABLE_SGI:
-         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
-            COPY_4V(ctx->Pixel.ColorTableScale[COLORTABLE_PRECONVOLUTION], params);
-         }
-         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
-            COPY_4V(ctx->Pixel.ColorTableBias[COLORTABLE_PRECONVOLUTION], params);
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
-            return;
-         }
-         break;
-      case GL_TEXTURE_COLOR_TABLE_SGI:
-         if (!ctx->Extensions.SGI_texture_color_table) {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)");
-            return;
-         }
-         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
-            COPY_4V(ctx->Pixel.TextureColorTableScale, params);
-         }
-         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
-            COPY_4V(ctx->Pixel.TextureColorTableBias, params);
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
-            return;
-         }
-         break;
-      case GL_POST_CONVOLUTION_COLOR_TABLE_SGI:
-         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
-            COPY_4V(ctx->Pixel.ColorTableScale[COLORTABLE_POSTCONVOLUTION], params);
-         }
-         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
-            COPY_4V(ctx->Pixel.ColorTableBias[COLORTABLE_POSTCONVOLUTION], params);
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
-            return;
-         }
-         break;
-      case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI:
-         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
-            COPY_4V(ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX], params);
-         }
-         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
-            COPY_4V(ctx->Pixel.ColorTableBias[COLORTABLE_POSTCOLORMATRIX], params);
-         }
-         else {
-            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
-            return;
-         }
-         break;
-      default:
-         _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)");
-         return;
+   case GL_COLOR_TABLE_SGI:
+      scale = ctx->Pixel.ColorTableScale[COLORTABLE_PRECONVOLUTION];
+      bias  = ctx->Pixel.ColorTableBias[COLORTABLE_PRECONVOLUTION];
+      break;
+   case GL_TEXTURE_COLOR_TABLE_SGI:
+      scale = ctx->Pixel.TextureColorTableScale;
+      bias  = ctx->Pixel.TextureColorTableBias;
+      break;
+   case GL_POST_CONVOLUTION_COLOR_TABLE_SGI:
+      scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCONVOLUTION];
+      bias  = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCONVOLUTION];
+      break;
+   case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI:
+      scale = ctx->Pixel.ColorTableScale[COLORTABLE_POSTCOLORMATRIX];
+      bias  = ctx->Pixel.ColorTableBias[COLORTABLE_POSTCOLORMATRIX];
+      break;
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)");
+      return;
+   }
+
+   if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+      COPY_4V(scale, params);
+   }
+   else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+      COPY_4V(bias, params);
+   }
+   else {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
+      return;
    }
 
    ctx->NewState |= _NEW_PIXEL;
@@ -879,40 +805,6 @@ _mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params )
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
    switch (target) {
-      case GL_TEXTURE_1D:
-         table = &texUnit->Current1D->Palette;
-         break;
-      case GL_TEXTURE_2D:
-         table = &texUnit->Current2D->Palette;
-         break;
-      case GL_TEXTURE_3D:
-         table = &texUnit->Current3D->Palette;
-         break;
-      case GL_TEXTURE_CUBE_MAP_ARB:
-         if (!ctx->Extensions.ARB_texture_cube_map) {
-            _mesa_error(ctx, GL_INVALID_ENUM,
-                        "glGetColorTableParameterfv(target)");
-            return;
-         }
-         table = &texUnit->CurrentCubeMap->Palette;
-         break;
-      case GL_PROXY_TEXTURE_1D:
-         table = &ctx->Texture.Proxy1D->Palette;
-         break;
-      case GL_PROXY_TEXTURE_2D:
-         table = &ctx->Texture.Proxy2D->Palette;
-         break;
-      case GL_PROXY_TEXTURE_3D:
-         table = &ctx->Texture.Proxy3D->Palette;
-         break;
-      case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
-         if (!ctx->Extensions.ARB_texture_cube_map) {
-            _mesa_error(ctx, GL_INVALID_ENUM,
-                        "glGetColorTableParameterfv(target)");
-            return;
-         }
-         table = &ctx->Texture.ProxyCubeMap->Palette;
-         break;
       case GL_SHARED_TEXTURE_PALETTE_EXT:
          table = &ctx->Texture.Palette;
          break;
@@ -981,8 +873,19 @@ _mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params )
          table = &ctx->ProxyColorTable[COLORTABLE_POSTCOLORMATRIX];
          break;
       default:
-         _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(target)");
-         return;
+         /* try texture targets */
+         {
+            struct gl_texture_object *texobj
+               = _mesa_select_tex_object(ctx, texUnit, target);
+            if (texobj) {
+               table = &texobj->Palette;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM,
+                           "glGetColorTableParameterfv(target)");
+               return;
+            }
+         }
    }
 
    assert(table);
@@ -1029,40 +932,6 @@ _mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params )
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
    switch (target) {
-      case GL_TEXTURE_1D:
-         table = &texUnit->Current1D->Palette;
-         break;
-      case GL_TEXTURE_2D:
-         table = &texUnit->Current2D->Palette;
-         break;
-      case GL_TEXTURE_3D:
-         table = &texUnit->Current3D->Palette;
-         break;
-      case GL_TEXTURE_CUBE_MAP_ARB:
-         if (!ctx->Extensions.ARB_texture_cube_map) {
-            _mesa_error(ctx, GL_INVALID_ENUM,
-                        "glGetColorTableParameteriv(target)");
-            return;
-         }
-         table = &texUnit->CurrentCubeMap->Palette;
-         break;
-      case GL_PROXY_TEXTURE_1D:
-         table = &ctx->Texture.Proxy1D->Palette;
-         break;
-      case GL_PROXY_TEXTURE_2D:
-         table = &ctx->Texture.Proxy2D->Palette;
-         break;
-      case GL_PROXY_TEXTURE_3D:
-         table = &ctx->Texture.Proxy3D->Palette;
-         break;
-      case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
-         if (!ctx->Extensions.ARB_texture_cube_map) {
-            _mesa_error(ctx, GL_INVALID_ENUM,
-                        "glGetColorTableParameteriv(target)");
-            return;
-         }
-         table = &ctx->Texture.ProxyCubeMap->Palette;
-         break;
       case GL_SHARED_TEXTURE_PALETTE_EXT:
          table = &ctx->Texture.Palette;
          break;
@@ -1161,8 +1030,19 @@ _mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params )
          table = &ctx->ProxyColorTable[COLORTABLE_POSTCOLORMATRIX];
          break;
       default:
-         _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(target)");
-         return;
+         /* Try texture targets */
+         {
+            struct gl_texture_object *texobj
+               = _mesa_select_tex_object(ctx, texUnit, target);
+            if (texobj) {
+               table = &texobj->Palette;
+            }
+            else {
+               _mesa_error(ctx, GL_INVALID_ENUM,
+                           "glGetColorTableParameteriv(target)");
+               return;
+            }
+         }
    }
 
    assert(table);
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 00e4c8328e5..08db12b1b67 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -6,9 +6,9 @@
 
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
+ * Version:  7.1
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -475,19 +475,12 @@ alloc_shared_state( GLcontext *ctx )
    if (!ss->Default2DArray)
       goto cleanup;
 
-   /* Effectively bind the default textures to all texture units */
-   ss->Default1D->RefCount += MAX_TEXTURE_IMAGE_UNITS;
-   ss->Default2D->RefCount += MAX_TEXTURE_IMAGE_UNITS;
-   ss->Default3D->RefCount += MAX_TEXTURE_IMAGE_UNITS;
-   ss->DefaultCubeMap->RefCount += MAX_TEXTURE_IMAGE_UNITS;
-   ss->DefaultRect->RefCount += MAX_TEXTURE_IMAGE_UNITS;
-   ss->Default1DArray->RefCount += MAX_TEXTURE_IMAGE_UNITS;
-   ss->Default2DArray->RefCount += MAX_TEXTURE_IMAGE_UNITS;
+   /* sanity check */
+   assert(ss->Default1D->RefCount == 1);
 
    _glthread_INIT_MUTEX(ss->TexMutex);
    ss->TextureStateStamp = 0;
 
-
 #if FEATURE_EXT_framebuffer_object
    ss->FrameBuffers = _mesa_NewHashTable();
    if (!ss->FrameBuffers)
@@ -497,10 +490,9 @@ alloc_shared_state( GLcontext *ctx )
       goto cleanup;
 #endif
 
-
    return GL_TRUE;
 
- cleanup:
+cleanup:
    /* Ran out of memory at some point.  Free everything and return NULL */
    if (ss->DisplayList)
       _mesa_DeleteHashTable(ss->DisplayList);
@@ -552,6 +544,10 @@ alloc_shared_state( GLcontext *ctx )
       (*ctx->Driver.DeleteTexture)(ctx, ss->DefaultCubeMap);
    if (ss->DefaultRect)
       (*ctx->Driver.DeleteTexture)(ctx, ss->DefaultRect);
+   if (ss->Default1DArray)
+      (*ctx->Driver.DeleteTexture)(ctx, ss->Default1DArray);
+   if (ss->Default2DArray)
+      (*ctx->Driver.DeleteTexture)(ctx, ss->Default2DArray);
    if (ss)
       _mesa_free(ss);
    return GL_FALSE;
@@ -644,6 +640,33 @@ delete_shader_cb(GLuint id, void *data, void *userData)
    }
 }
 
+/**
+ * Callback for deleting a framebuffer object.  Called by _mesa_HashDeleteAll()
+ */
+static void
+delete_framebuffer_cb(GLuint id, void *data, void *userData)
+{
+   struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
+   /* The fact that the framebuffer is in the hashtable means its refcount
+    * is one, but we're removing from the hashtable now.  So clear refcount.
+    */
+   /*assert(fb->RefCount == 1);*/
+   fb->RefCount = 0;
+   fb->Delete(fb);
+}
+
+/**
+ * Callback for deleting a renderbuffer object. Called by _mesa_HashDeleteAll()
+ */
+static void
+delete_renderbuffer_cb(GLuint id, void *data, void *userData)
+{
+   struct gl_renderbuffer *rb = (struct gl_renderbuffer *) data;
+   rb->RefCount = 0;  /* see comment for FBOs above */
+   rb->Delete(rb);
+}
+
+
 
 /**
  * Deallocate a shared state object and all children structures.
@@ -666,20 +689,6 @@ free_shared_state( GLcontext *ctx, struct gl_shared_state *ss )
    _mesa_HashDeleteAll(ss->DisplayList, delete_displaylist_cb, ctx);
    _mesa_DeleteHashTable(ss->DisplayList);
 
-   /*
-    * Free texture objects
-    */
-   ASSERT(ctx->Driver.DeleteTexture);
-   /* the default textures */
-   ctx->Driver.DeleteTexture(ctx, ss->Default1D);
-   ctx->Driver.DeleteTexture(ctx, ss->Default2D);
-   ctx->Driver.DeleteTexture(ctx, ss->Default3D);
-   ctx->Driver.DeleteTexture(ctx, ss->DefaultCubeMap);
-   ctx->Driver.DeleteTexture(ctx, ss->DefaultRect);
-   /* all other textures */
-   _mesa_HashDeleteAll(ss->TexObjects, delete_texture_cb, ctx);
-   _mesa_DeleteHashTable(ss->TexObjects);
-
 #if defined(FEATURE_NV_vertex_program) || defined(FEATURE_NV_fragment_program)
    _mesa_HashDeleteAll(ss->Programs, delete_program_cb, ctx);
    _mesa_DeleteHashTable(ss->Programs);
@@ -711,10 +720,29 @@ free_shared_state( GLcontext *ctx, struct gl_shared_state *ss )
 #endif
 
 #if FEATURE_EXT_framebuffer_object
+   _mesa_HashDeleteAll(ss->FrameBuffers, delete_framebuffer_cb, ctx);
    _mesa_DeleteHashTable(ss->FrameBuffers);
+   _mesa_HashDeleteAll(ss->RenderBuffers, delete_renderbuffer_cb, ctx);
    _mesa_DeleteHashTable(ss->RenderBuffers);
 #endif
 
+   /*
+    * Free texture objects (after FBOs since some textures might have
+    * been bound to FBOs).
+    */
+   ASSERT(ctx->Driver.DeleteTexture);
+   /* the default textures */
+   ctx->Driver.DeleteTexture(ctx, ss->Default1D);
+   ctx->Driver.DeleteTexture(ctx, ss->Default2D);
+   ctx->Driver.DeleteTexture(ctx, ss->Default3D);
+   ctx->Driver.DeleteTexture(ctx, ss->DefaultCubeMap);
+   ctx->Driver.DeleteTexture(ctx, ss->DefaultRect);
+   ctx->Driver.DeleteTexture(ctx, ss->Default1DArray);
+   ctx->Driver.DeleteTexture(ctx, ss->Default2DArray);
+   /* all other textures */
+   _mesa_HashDeleteAll(ss->TexObjects, delete_texture_cb, ctx);
+   _mesa_DeleteHashTable(ss->TexObjects);
+
    _glthread_DESTROY_MUTEX(ss->Mutex);
 
    _mesa_free(ss);
@@ -971,6 +999,28 @@ init_attrib_groups(GLcontext *ctx)
 
 
 /**
+ * Update default objects in a GL context with respect to shared state.
+ *
+ * \param ctx GL context.
+ *
+ * Removes references to old default objects, (texture objects, program
+ * objects, etc.) and changes to reference those from the current shared
+ * state.
+ */
+static GLboolean
+update_default_objects(GLcontext *ctx)
+{
+   assert(ctx);
+
+   _mesa_update_default_objects_program(ctx);
+   _mesa_update_default_objects_texture(ctx);
+   _mesa_update_default_objects_buffer_objects(ctx);
+
+   return GL_TRUE;
+}
+
+
+/**
  * This is the default function we plug into all dispatch table slots
  * This helps prevents a segfault when someone calls a GL function without
  * first checking if the extension's supported.
@@ -1168,18 +1218,20 @@ _mesa_create_context(const GLvisual *visual,
 void
 _mesa_free_context_data( GLcontext *ctx )
 {
-   /* if we're destroying the current context, unbind it first */
-   if (ctx == _mesa_get_current_context()) {
-      _mesa_make_current(NULL, NULL, NULL);
-   }
-   else {
-      /* unreference WinSysDraw/Read buffers */
-      _mesa_unreference_framebuffer(&ctx->WinSysDrawBuffer);
-      _mesa_unreference_framebuffer(&ctx->WinSysReadBuffer);
-      _mesa_unreference_framebuffer(&ctx->DrawBuffer);
-      _mesa_unreference_framebuffer(&ctx->ReadBuffer);
+   if (!_mesa_get_current_context()){
+      /* No current context, but we may need one in order to delete
+       * texture objs, etc.  So temporarily bind the context now.
+       */
+      _mesa_make_current(ctx, NULL, NULL);
    }
 
+   /* unreference WinSysDraw/Read buffers */
+   _mesa_unreference_framebuffer(&ctx->WinSysDrawBuffer);
+   _mesa_unreference_framebuffer(&ctx->WinSysReadBuffer);
+   _mesa_unreference_framebuffer(&ctx->DrawBuffer);
+   _mesa_unreference_framebuffer(&ctx->ReadBuffer);
+
+   _mesa_free_attrib_data(ctx);
    _mesa_free_lighting_data( ctx );
    _mesa_free_eval_data( ctx );
    _mesa_free_texture_data( ctx );
@@ -1211,6 +1263,11 @@ _mesa_free_context_data( GLcontext *ctx )
 
    if (ctx->Extensions.String)
       _mesa_free((void *) ctx->Extensions.String);
+
+   /* unbind the context if it's currently bound */
+   if (ctx == _mesa_get_current_context()) {
+      _mesa_make_current(NULL, NULL, NULL);
+   }
 }
 
 
@@ -1442,8 +1499,6 @@ void
 _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
                     GLframebuffer *readBuffer )
 {
-   GET_CURRENT_CONTEXT(oldCtx);
-
    if (MESA_VERBOSE & VERBOSE_API)
       _mesa_debug(newCtx, "_mesa_make_current()\n");
 
@@ -1468,13 +1523,6 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
    _glapi_set_context((void *) newCtx);
    ASSERT(_mesa_get_current_context() == newCtx);
 
-   if (oldCtx) {
-      _mesa_unreference_framebuffer(&oldCtx->WinSysDrawBuffer);
-      _mesa_unreference_framebuffer(&oldCtx->WinSysReadBuffer);
-      _mesa_unreference_framebuffer(&oldCtx->DrawBuffer);
-      _mesa_unreference_framebuffer(&oldCtx->ReadBuffer);
-   }
-         
    if (!newCtx) {
       _glapi_set_dispatch(NULL);  /* none current */
    }
@@ -1495,21 +1543,14 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
           */
          if (!newCtx->DrawBuffer || newCtx->DrawBuffer->Name == 0) {
             _mesa_reference_framebuffer(&newCtx->DrawBuffer, drawBuffer);
-         /* fix up the fb fields - these will end up wrong otherwise
-            if the DRIdrawable changes, and everything relies on them.
-            This is a bit messy (same as needed in _mesa_BindFramebufferEXT) */
-            int i;
-            GLenum buffers[MAX_DRAW_BUFFERS];
-            for(i = 0; i < newCtx->Const.MaxDrawBuffers; i++) {
-               buffers[i] = newCtx->Color.DrawBuffer[i];
-            }
-            _mesa_drawbuffers(newCtx, newCtx->Const.MaxDrawBuffers, buffers, NULL);
          }
          if (!newCtx->ReadBuffer || newCtx->ReadBuffer->Name == 0) {
             _mesa_reference_framebuffer(&newCtx->ReadBuffer, readBuffer);
-            _mesa_readbuffer_update_fields(newCtx, newCtx->Pixel.ReadBuffer);
          }
 
+         /* XXX only set this flag if we're really changing the draw/read
+          * framebuffer bindings.
+          */
 	 newCtx->NewState |= _NEW_BUFFERS;
 
 #if 1
@@ -1577,12 +1618,18 @@ GLboolean
 _mesa_share_state(GLcontext *ctx, GLcontext *ctxToShare)
 {
    if (ctx && ctxToShare && ctx->Shared && ctxToShare->Shared) {
-      ctx->Shared->RefCount--;
-      if (ctx->Shared->RefCount == 0) {
-         free_shared_state(ctx, ctx->Shared);
-      }
+      struct gl_shared_state *oldSharedState = ctx->Shared;
+
       ctx->Shared = ctxToShare->Shared;
       ctx->Shared->RefCount++;
+
+      update_default_objects(ctx);
+
+      oldSharedState->RefCount--;
+      if (oldSharedState->RefCount == 0) {
+         free_shared_state(ctx, oldSharedState);
+      }
+
       return GL_TRUE;
    }
    else {
diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 293ee5fa349..b881b12ff35 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.1
+ * Version:  7.1
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -2716,21 +2716,20 @@ save_PolygonMode(GLenum face, GLenum mode)
 }
 
 
-/*
- * Polygon stipple must have been upacked already!
- */
 static void GLAPIENTRY
 save_PolygonStipple(const GLubyte * pattern)
 {
    GET_CURRENT_CONTEXT(ctx);
+   GLvoid *image = unpack_image(2, 32, 32, 1, GL_COLOR_INDEX, GL_BITMAP,
+                                pattern, &ctx->Unpack);
    Node *n;
    ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
    n = ALLOC_INSTRUCTION(ctx, OPCODE_POLYGON_STIPPLE, 1);
    if (n) {
-      void *data;
-      n[1].data = _mesa_malloc(32 * 4);
-      data = n[1].data;         /* This needed for Acorn compiler */
-      MEMCPY(data, pattern, 32 * 4);
+      n[1].data = image; 
+   }
+   else if (image) {
+      _mesa_free(image);
    }
    if (ctx->ExecuteFlag) {
       CALL_PolygonStipple(ctx->Exec, ((GLubyte *) pattern));
@@ -5738,7 +5737,7 @@ execute_list(GLcontext *ctx, GLuint list)
    if (!dlist)
       return;
 
-   ctx->ListState.CallStack[ctx->ListState.CallDepth++] = dlist;
+   ctx->ListState.CallDepth++;
 
    if (ctx->Driver.BeginCallList)
       ctx->Driver.BeginCallList(ctx, dlist);
@@ -6169,7 +6168,12 @@ execute_list(GLcontext *ctx, GLuint list)
             CALL_PolygonMode(ctx->Exec, (n[1].e, n[2].e));
             break;
          case OPCODE_POLYGON_STIPPLE:
-            CALL_PolygonStipple(ctx->Exec, ((GLubyte *) n[1].data));
+            {
+               const struct gl_pixelstore_attrib save = ctx->Unpack;
+               ctx->Unpack = ctx->DefaultPacking;
+               CALL_PolygonStipple(ctx->Exec, ((GLubyte *) n[1].data));
+               ctx->Unpack = save;      /* restore */
+            }
             break;
          case OPCODE_POLYGON_OFFSET:
             CALL_PolygonOffset(ctx->Exec, (n[1].f, n[2].f));
@@ -6622,7 +6626,7 @@ execute_list(GLcontext *ctx, GLuint list)
    if (ctx->Driver.EndCallList)
       ctx->Driver.EndCallList(ctx);
 
-   ctx->ListState.CallStack[ctx->ListState.CallDepth--] = NULL;
+   ctx->ListState.CallDepth--;
 }
 
 
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 52dd63f2cef..ba4972b1674 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -364,6 +364,10 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state)
       case GL_LIGHTING:
          if (ctx->Light.Enabled == state)
             return;
+         if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
+            ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
+         else
+            ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE;
          FLUSH_VERTICES(ctx, _NEW_LIGHT);
          ctx->Light.Enabled = state;
          break;
@@ -372,12 +376,14 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state)
             return;
          FLUSH_VERTICES(ctx, _NEW_LINE);
          ctx->Line.SmoothFlag = state;
+         ctx->_TriangleCaps ^= DD_LINE_SMOOTH;
          break;
       case GL_LINE_STIPPLE:
          if (ctx->Line.StippleFlag == state)
             return;
          FLUSH_VERTICES(ctx, _NEW_LINE);
          ctx->Line.StippleFlag = state;
+         ctx->_TriangleCaps ^= DD_LINE_STIPPLE;
          break;
       case GL_INDEX_LOGIC_OP:
          if (ctx->Color.IndexLogicOpEnabled == state)
@@ -516,18 +522,21 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state)
             return;
          FLUSH_VERTICES(ctx, _NEW_POINT);
          ctx->Point.SmoothFlag = state;
+         ctx->_TriangleCaps ^= DD_POINT_SMOOTH;
          break;
       case GL_POLYGON_SMOOTH:
          if (ctx->Polygon.SmoothFlag == state)
             return;
          FLUSH_VERTICES(ctx, _NEW_POLYGON);
          ctx->Polygon.SmoothFlag = state;
+         ctx->_TriangleCaps ^= DD_TRI_SMOOTH;
          break;
       case GL_POLYGON_STIPPLE:
          if (ctx->Polygon.StippleFlag == state)
             return;
          FLUSH_VERTICES(ctx, _NEW_POLYGON);
          ctx->Polygon.StippleFlag = state;
+         ctx->_TriangleCaps ^= DD_TRI_STIPPLE;
          break;
       case GL_POLYGON_OFFSET_POINT:
          if (ctx->Polygon.OffsetPoint == state)
@@ -877,6 +886,10 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state)
             return;
          FLUSH_VERTICES(ctx, _NEW_STENCIL);
          ctx->Stencil.TestTwoSide = state;
+         if (state)
+            ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
+         else
+            ctx->_TriangleCaps &= ~DD_TRI_TWOSTENCIL;
          break;
 
 #if FEATURE_ARB_fragment_program
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 80dce56c0c1..709499f7301 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -309,6 +309,7 @@ _mesa_enable_imaging_extensions(GLcontext *ctx)
 {
    ctx->Extensions.ARB_imaging = GL_TRUE;
    ctx->Extensions.EXT_blend_color = GL_TRUE;
+   ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
    ctx->Extensions.EXT_blend_minmax = GL_TRUE;
    ctx->Extensions.EXT_blend_subtract = GL_TRUE;
    ctx->Extensions.EXT_convolution = GL_TRUE;
@@ -353,7 +354,6 @@ _mesa_enable_1_4_extensions(GLcontext *ctx)
    ctx->Extensions.ARB_window_pos = GL_TRUE;
    ctx->Extensions.EXT_blend_color = GL_TRUE;
    ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
-   ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
    ctx->Extensions.EXT_blend_minmax = GL_TRUE;
    ctx->Extensions.EXT_blend_subtract = GL_TRUE;
    ctx->Extensions.EXT_fog_coord = GL_TRUE;
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 6f7effcce70..db04c785de4 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -151,22 +151,18 @@ _mesa_remove_attachment(GLcontext *ctx, struct gl_renderbuffer_attachment *att)
 {
    if (att->Type == GL_TEXTURE) {
       ASSERT(att->Texture);
-      att->Texture->RefCount--;
-      if (att->Texture->RefCount == 0) {
-	 ctx->Driver.DeleteTexture(ctx, att->Texture);
+      if (ctx->Driver.FinishRenderTexture) {
+         /* tell driver we're done rendering to this texobj */
+         ctx->Driver.FinishRenderTexture(ctx, att);
       }
-      else {
-         /* tell driver that we're done rendering to this texture. */
-         if (ctx->Driver.FinishRenderTexture) {
-            ctx->Driver.FinishRenderTexture(ctx, att);
-         }
-      }
-      att->Texture = NULL;
+      _mesa_reference_texobj(&att->Texture, NULL); /* unbind */
+      ASSERT(!att->Texture);
    }
    if (att->Type == GL_TEXTURE || att->Type == GL_RENDERBUFFER_EXT) {
       ASSERT(att->Renderbuffer);
       ASSERT(!att->Texture);
-      _mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
+      _mesa_reference_renderbuffer(&att->Renderbuffer, NULL); /* unbind */
+      ASSERT(!att->Renderbuffer);
    }
    att->Type = GL_NONE;
    att->Complete = GL_TRUE;
@@ -192,8 +188,8 @@ _mesa_set_texture_attachment(GLcontext *ctx,
       /* new attachment */
       _mesa_remove_attachment(ctx, att);
       att->Type = GL_TEXTURE;
-      att->Texture = texObj;
-      texObj->RefCount++;
+      assert(!att->Texture);
+      _mesa_reference_texobj(&att->Texture, texObj);
    }
 
    /* always update these fields */
@@ -966,9 +962,11 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
    }
 
    FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    if (ctx->Driver.Flush) {  
       ctx->Driver.Flush(ctx);
    }
+
    if (framebuffer) {
       /* Binding a user-created framebuffer object */
       newFb = _mesa_lookup_framebuffer(ctx, framebuffer);
@@ -1002,32 +1000,18 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
     * XXX check if re-binding same buffer and skip some of this code.
     */
 
-   /* for window-framebuffers, re-initialize the fbo values, as they
-      could be wrong (makecurrent with a new drawable while still a fbo
-      was bound will lead to default init fbo values).
-      note that therefore the context ReadBuffer/DrawBuffer values are not
-      valid while fbo's are bound!!! */
    if (bindReadBuf) {
       _mesa_reference_framebuffer(&ctx->ReadBuffer, newFbread);
-      if (!newFbread->Name) {
-         _mesa_readbuffer_update_fields(ctx, ctx->Pixel.ReadBuffer);
-      }
    }
 
    if (bindDrawBuf) {
       /* check if old FB had any texture attachments */
       check_end_texture_render(ctx, ctx->DrawBuffer);
+
       /* check if time to delete this framebuffer */
       _mesa_reference_framebuffer(&ctx->DrawBuffer, newFb);
-      if (!newFb->Name) {
-         GLuint i;
-         GLenum buffers[MAX_DRAW_BUFFERS];
-         for(i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
-            buffers[i] = ctx->Color.DrawBuffer[i];
-         }
-         _mesa_drawbuffers(ctx, ctx->Const.MaxDrawBuffers, buffers, NULL);
-      }
-      else {
+
+      if (newFb->Name != 0) {
          /* check if newly bound framebuffer has any texture attachments */
          check_begin_texture_render(ctx, newFb);
       }
diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
index c9b30d32528..3e36197d884 100644
--- a/src/mesa/main/framebuffer.c
+++ b/src/mesa/main/framebuffer.c
@@ -32,12 +32,14 @@
 
 #include "glheader.h"
 #include "imports.h"
+#include "buffers.h"
 #include "context.h"
 #include "depthstencil.h"
 #include "mtypes.h"
 #include "fbobject.h"
 #include "framebuffer.h"
 #include "renderbuffer.h"
+#include "texobj.h"
 
 
 
@@ -137,7 +139,7 @@ _mesa_initialize_framebuffer(struct gl_framebuffer *fb, const GLvisual *visual)
    /* save the visual */
    fb->Visual = *visual;
 
-   /* Init glRead/DrawBuffer state */
+   /* Init read/draw renderbuffer state */
    if (visual->doubleBufferMode) {
       fb->ColorDrawBuffer[0] = GL_BACK;
       fb->_ColorDrawBufferMask[0] = BUFFER_BIT_BACK_LEFT;
@@ -192,17 +194,11 @@ _mesa_free_framebuffer_data(struct gl_framebuffer *fb)
          _mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
       }
       if (att->Texture) {
-         /* render to texture */
-         att->Texture->RefCount--;
-         if (att->Texture->RefCount == 0) {
-            GET_CURRENT_CONTEXT(ctx);
-            if (ctx) {
-               ctx->Driver.DeleteTexture(ctx, att->Texture);
-            }
-         }
+         _mesa_reference_texobj(&att->Texture, NULL);
       }
+      ASSERT(!att->Renderbuffer);
+      ASSERT(!att->Texture);
       att->Type = GL_NONE;
-      att->Texture = NULL;
    }
 
    /* unbind _Depth/_StencilBuffer to decr ref counts */
@@ -588,7 +584,7 @@ _mesa_update_stencil_buffer(GLcontext *ctx,
 
 
 /**
- * Update the list of color drawing renderbuffer pointers.
+ * Update the (derived) list of color drawing renderbuffer pointers.
  * Later, when we're rendering we'll loop from 0 to _NumColorDrawBuffers
  * writing colors.
  */
@@ -632,7 +628,7 @@ update_color_draw_buffers(GLcontext *ctx, struct gl_framebuffer *fb)
 
 
 /**
- * Update the color read renderbuffer pointer.
+ * Update the (derived) color read renderbuffer pointer.
  * Unlike the DrawBuffer, we can only read from one (or zero) color buffers.
  */
 static void
@@ -654,19 +650,51 @@ update_color_read_buffer(GLcontext *ctx, struct gl_framebuffer *fb)
 }
 
 
+/**
+ * Update a gl_framebuffer's derived state.
+ *
+ * Specifically, update these framebuffer fields:
+ *    _ColorDrawBuffers
+ *    _NumColorDrawBuffers
+ *    _ColorReadBuffer
+ *    _DepthBuffer
+ *    _StencilBuffer
+ *
+ * If the framebuffer is user-created, make sure it's complete.
+ *
+ * The following functions (at least) can effect framebuffer state:
+ * glReadBuffer, glDrawBuffer, glDrawBuffersARB, glFramebufferRenderbufferEXT,
+ * glRenderbufferStorageEXT.
+ */
 static void
 update_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
 {
-   /* Completeness only matters for user-created framebuffers */
-   if (fb->Name != 0) {
-      /* XXX: EXT_framebuffer_blit:
-         framebuffer must still be complete wrt read/draw? */
+   if (fb->Name == 0) {
+      /* This is a window-system framebuffer */
+      /* Need to update the FB's GL_DRAW_BUFFER state to match the
+       * context state (GL_READ_BUFFER too).
+       */
+      if (fb->ColorDrawBuffer[0] != ctx->Color.DrawBuffer[0]) {
+         _mesa_drawbuffers(ctx, ctx->Const.MaxDrawBuffers,
+                           ctx->Color.DrawBuffer, NULL);
+      }
+      if (fb->ColorReadBuffer != ctx->Pixel.ReadBuffer) {
+         
+      }
+   }
+   else {
+      /* This is a user-created framebuffer.
+       * Completeness only matters for user-created framebuffers.
+       */
       _mesa_test_framebuffer_completeness(ctx, fb);
       _mesa_update_framebuffer_visual(fb);
    }
 
-   /* update_color_draw/read_buffers not needed for
-      read/draw only fb, but shouldn't hurt ??? */
+   /* Strictly speaking, we don't need to update the draw-state
+    * if this FB is bound as ctx->ReadBuffer (and conversely, the
+    * read-state if this FB is bound as ctx->DrawBuffer), but no
+    * harm.
+    */
    update_color_draw_buffers(ctx, fb);
    update_color_read_buffer(ctx, fb);
    _mesa_update_depth_buffer(ctx, fb, BUFFER_DEPTH);
@@ -675,28 +703,19 @@ update_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
    compute_depth_max(fb);
 }
 
+
 /**
  * Update state related to the current draw/read framebuffers.
- * Specifically, update these framebuffer fields:
- *    _ColorDrawBuffers
- *    _NumColorDrawBuffers
- *    _ColorReadBuffer
- *    _DepthBuffer
- *    _StencilBuffer
- * If the current framebuffer is user-created, make sure it's complete.
- * The following functions can effect this state:  glReadBuffer,
- * glDrawBuffer, glDrawBuffersARB, glFramebufferRenderbufferEXT,
- * glRenderbufferStorageEXT.
  */
 void
 _mesa_update_framebuffer(GLcontext *ctx)
 {
-   struct gl_framebuffer *fb = ctx->DrawBuffer;
-   struct gl_framebuffer *fbread = ctx->ReadBuffer;
+   struct gl_framebuffer *drawFb = ctx->DrawBuffer;
+   struct gl_framebuffer *readFb = ctx->ReadBuffer;
 
-   update_framebuffer(ctx, fb);
-   if (fbread != fb)
-      update_framebuffer(ctx, fbread);
+   update_framebuffer(ctx, drawFb);
+   if (readFb != drawFb)
+      update_framebuffer(ctx, readFb);
 }
 
 
diff --git a/src/mesa/main/getstring.c b/src/mesa/main/getstring.c
index 973649da0dd..c15f6a39bcb 100644
--- a/src/mesa/main/getstring.c
+++ b/src/mesa/main/getstring.c
@@ -96,7 +96,6 @@ _mesa_GetString( GLenum name )
                 ctx->Extensions.ARB_window_pos &&
                 ctx->Extensions.EXT_blend_color &&
                 ctx->Extensions.EXT_blend_func_separate &&
-                ctx->Extensions.EXT_blend_logic_op &&
                 ctx->Extensions.EXT_blend_minmax &&
                 ctx->Extensions.EXT_blend_subtract &&
                 ctx->Extensions.EXT_fog_coord &&
diff --git a/src/mesa/main/glheader.h b/src/mesa/main/glheader.h
index fd4127558a8..2d2da49fe5b 100644
--- a/src/mesa/main/glheader.h
+++ b/src/mesa/main/glheader.h
@@ -237,7 +237,7 @@
 #endif
 
 
-#if !defined __GNUC__ || __GNUC__ < 3
+#if (!defined(__GNUC__) || __GNUC__ < 3) && !defined(__IBMC__)
 #  define __builtin_expect(x, y) x
 #endif
 
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index ba46cdc1b17..347cec66ef4 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -850,7 +850,7 @@ _mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels,
          return NULL;
       }
 
-      if (packing->SkipPixels == 0) {
+      if ((packing->SkipPixels & 7) == 0) {
          _mesa_memcpy( dst, src, width_in_bytes );
          if (packing->LsbFirst) {
             flip_bytes( dst, width_in_bytes );
@@ -942,7 +942,7 @@ _mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
       if (!dst)
          return;
 
-      if (packing->SkipPixels == 0) {
+      if ((packing->SkipPixels & 7) == 0) {
          _mesa_memcpy( dst, src, width_in_bytes );
          if (packing->LsbFirst) {
             flip_bytes( dst, width_in_bytes );
@@ -961,20 +961,20 @@ _mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
                if (*s & srcMask) {
                   *d |= dstMask;
                }
-               if (srcMask == 128) {
-                  srcMask = 1;
+               if (srcMask == 1) {
+                  srcMask = 128;
                   s++;
                }
                else {
-                  srcMask = srcMask << 1;
+                  srcMask = srcMask >> 1;
                }
-               if (dstMask == 1) {
-                  dstMask = 128;
+               if (dstMask == 128) {
+                  dstMask = 1;
                   d++;
                   *d = 0;
                }
                else {
-                  dstMask = dstMask >> 1;
+                  dstMask = dstMask << 1;
                }
             }
          }
@@ -3733,7 +3733,7 @@ _mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
 
    switch (dstType) {
    case GL_UNSIGNED_BYTE:
-      if (sizeof(GLstencil) == 8) {
+      if (sizeof(GLstencil) == 1) {
          _mesa_memcpy( dest, source, n );
       }
       else {
@@ -3745,14 +3745,11 @@ _mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
       }
       break;
    case GL_BYTE:
-      if (sizeof(GLstencil) == 8) {
-         _mesa_memcpy( dest, source, n );
-      }
-      else {
+      {
          GLbyte *dst = (GLbyte *) dest;
          GLuint i;
          for (i=0;i<n;i++) {
-            dst[i] = (GLbyte) source[i];
+            dst[i] = (GLbyte) (source[i] & 0x7f);
          }
       }
       break;
@@ -3797,7 +3794,7 @@ _mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
          GLint *dst = (GLint *) dest;
          GLuint i;
          for (i=0;i<n;i++) {
-            *dst++ = (GLint) source[i];
+            dst[i] = (GLint) source[i];
          }
          if (dstPacking->SwapBytes) {
             _mesa_swap4( (GLuint *) dst, n );
diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index 6e057614bad..6dd334e16dc 100644
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -53,6 +53,11 @@ _mesa_ShadeModel( GLenum mode )
 
    FLUSH_VERTICES(ctx, _NEW_LIGHT);
    ctx->Light.ShadeModel = mode;
+   if (mode == GL_FLAT)
+      ctx->_TriangleCaps |= DD_FLATSHADE;
+   else
+      ctx->_TriangleCaps &= ~DD_FLATSHADE;
+
    if (ctx->Driver.ShadeModel)
       ctx->Driver.ShadeModel( ctx, mode );
 }
@@ -441,6 +446,10 @@ _mesa_LightModelfv( GLenum pname, const GLfloat *params )
 	    return;
 	 FLUSH_VERTICES(ctx, _NEW_LIGHT);
 	 ctx->Light.Model.TwoSide = newbool;
+         if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
+            ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
+         else
+            ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE;
          break;
       case GL_LIGHT_MODEL_COLOR_CONTROL:
          if (params[0] == (GLfloat) GL_SINGLE_COLOR)
diff --git a/src/mesa/main/lines.c b/src/mesa/main/lines.c
index 0c2dbf915a1..81d0d33abb4 100644
--- a/src/mesa/main/lines.c
+++ b/src/mesa/main/lines.c
@@ -56,6 +56,11 @@ _mesa_LineWidth( GLfloat width )
    FLUSH_VERTICES(ctx, _NEW_LINE);
    ctx->Line.Width = width;
 
+   if (width != 1.0F)
+      ctx->_TriangleCaps |= DD_LINE_WIDTH;
+   else
+      ctx->_TriangleCaps &= ~DD_LINE_WIDTH;
+
    if (ctx->Driver.LineWidth)
       ctx->Driver.LineWidth(ctx, width);
 }
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index 9f3db22b75c..a9260c847b0 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.2
+ * Version:  7.1
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -957,7 +957,8 @@ _mesa_generate_mipmap(GLcontext *ctx, GLenum target,
       GLint  components, size;
       GLchan *dst;
 
-      assert(texObj->Target == GL_TEXTURE_2D);
+      assert(texObj->Target == GL_TEXTURE_2D ||
+             texObj->Target == GL_TEXTURE_CUBE_MAP_ARB);
 
       if (srcImage->_BaseFormat == GL_RGB) {
          convertFormat = &_mesa_texformat_rgb;
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 3e4c49249a0..1fbfeb7447b 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1400,6 +1400,7 @@ struct gl_texture_image
  */
 struct gl_texture_object
 {
+   _glthread_Mutex Mutex;	/**< for thread safety */
    GLint RefCount;		/**< reference count */
    GLuint Name;			/**< the user-visible texture object ID */
    GLenum Target;               /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
@@ -1535,17 +1536,6 @@ struct gl_texture_unit
 
    struct gl_texture_object *_Current; /**< Points to really enabled tex obj */
 
-   /** These are used for glPush/PopAttrib */
-   /*@{*/
-   struct gl_texture_object Saved1D;
-   struct gl_texture_object Saved2D;
-   struct gl_texture_object Saved3D;
-   struct gl_texture_object SavedCubeMap;
-   struct gl_texture_object SavedRect;
-   struct gl_texture_object Saved1DArray;
-   struct gl_texture_object Saved2DArray;
-   /*@}*/
-
    /** GL_SGI_texture_color_table */
    /*@{*/
    struct gl_color_table ColorTable;
@@ -1586,13 +1576,8 @@ struct gl_texture_attrib
 
    struct gl_texture_unit Unit[MAX_TEXTURE_UNITS];
 
-   struct gl_texture_object *Proxy1D;
-   struct gl_texture_object *Proxy2D;
-   struct gl_texture_object *Proxy3D;
-   struct gl_texture_object *ProxyCubeMap;
-   struct gl_texture_object *ProxyRect;
-   struct gl_texture_object *Proxy1DArray;
-   struct gl_texture_object *Proxy2DArray;
+   /** Proxy texture objects */
+   struct gl_texture_object *ProxyTex[NUM_TEXTURE_TARGETS];
 
    /** GL_EXT_shared_texture_palette */
    GLboolean SharedPalette;
@@ -2881,7 +2866,6 @@ struct mesa_display_list
  */
 struct gl_dlist_state
 {
-   struct mesa_display_list *CallStack[MAX_LIST_NESTING];
    GLuint CallDepth;		/**< Current recursion calling depth */
 
    struct mesa_display_list *CurrentList;
@@ -3056,7 +3040,10 @@ struct __GLcontextRec
 
    /** \name Derived state */
    /*@{*/
-   GLbitfield _TriangleCaps;      /**< bitwise-or of DD_* flags */
+   /** Bitwise-or of DD_* flags.  Note that this bitfield may be used before
+    * state validation so they need to always be current.
+    */
+   GLbitfield _TriangleCaps;
    GLbitfield _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */
    GLfloat _EyeZDir[3];
    GLfloat _ModelViewInvScale;
diff --git a/src/mesa/main/points.c b/src/mesa/main/points.c
index e83db5de78d..1458c90ab97 100644
--- a/src/mesa/main/points.c
+++ b/src/mesa/main/points.c
@@ -5,7 +5,7 @@
 
 /*
  * Mesa 3-D graphics library
- * Version:  7.0
+ * Version:  7.1
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
@@ -82,8 +82,13 @@ _mesa_PointParameteriNV( GLenum pname, GLint param )
 void GLAPIENTRY
 _mesa_PointParameterivNV( GLenum pname, const GLint *params )
 {
-   const GLfloat value = (GLfloat) params[0];
-   _mesa_PointParameterfvEXT(pname, &value);
+   GLfloat p[3];
+   p[0] = (GLfloat) params[0];
+   if (pname == GL_DISTANCE_ATTENUATION_EXT) {
+      p[1] = (GLfloat) params[1];
+      p[2] = (GLfloat) params[2];
+   }
+   _mesa_PointParameterfvEXT(pname, p);
 }
 
 
@@ -118,6 +123,11 @@ _mesa_PointParameterfvEXT( GLenum pname, const GLfloat *params)
             ctx->Point._Attenuated = (ctx->Point.Params[0] != 1.0 ||
                                       ctx->Point.Params[1] != 0.0 ||
                                       ctx->Point.Params[2] != 0.0);
+
+            if (ctx->Point._Attenuated)
+               ctx->_TriangleCaps |= DD_POINT_ATTEN;
+            else
+               ctx->_TriangleCaps &= ~DD_POINT_ATTEN;
          }
          else {
             _mesa_error(ctx, GL_INVALID_ENUM,
diff --git a/src/mesa/main/polygon.c b/src/mesa/main/polygon.c
index fd02e5a652d..564250b881c 100644
--- a/src/mesa/main/polygon.c
+++ b/src/mesa/main/polygon.c
@@ -167,6 +167,11 @@ _mesa_PolygonMode( GLenum face, GLenum mode )
       return;
    }
 
+   if (ctx->Polygon.FrontMode == GL_FILL && ctx->Polygon.BackMode == GL_FILL)
+      ctx->_TriangleCaps &= ~DD_TRI_UNFILLED;
+   else
+      ctx->_TriangleCaps |= DD_TRI_UNFILLED;
+
    if (ctx->Driver.PolygonMode)
       ctx->Driver.PolygonMode(ctx, face, mode);
 }
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 444f2277601..40100202656 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -826,6 +826,16 @@ _mesa_init_exec_table(struct _glapi_table *exec)
 /*@{*/
 
 
+static void
+update_separate_specular(GLcontext *ctx)
+{
+   if (NEED_SECONDARY_COLOR(ctx))
+      ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
+   else
+      ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
+}
+
+
 /**
  * Update state dependent on vertex arrays.
  */
@@ -1050,6 +1060,24 @@ update_color(GLcontext *ctx)
 }
 
 
+/*
+ * Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET
+ * in ctx->_TriangleCaps if needed.
+ */
+static void
+update_polygon(GLcontext *ctx)
+{
+   ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET);
+
+   if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
+      ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
+
+   if (   ctx->Polygon.OffsetPoint
+       || ctx->Polygon.OffsetLine
+       || ctx->Polygon.OffsetFill)
+      ctx->_TriangleCaps |= DD_TRI_OFFSET;
+}
+
 
 /**
  * Update the ctx->_TriangleCaps bitfield.
@@ -1057,6 +1085,7 @@ update_color(GLcontext *ctx)
  * This function must be called after other update_*() functions since
  * there are dependencies on some other derived values.
  */
+#if 0
 static void
 update_tricaps(GLcontext *ctx, GLbitfield new_state)
 {
@@ -1122,6 +1151,7 @@ update_tricaps(GLcontext *ctx, GLbitfield new_state)
    if (ctx->Stencil._TestTwoSide)
       ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
 }
+#endif
 
 
 /**
@@ -1159,6 +1189,9 @@ _mesa_update_state_locked( GLcontext *ctx )
    if (new_state & (_NEW_SCISSOR | _NEW_BUFFERS | _NEW_VIEWPORT))
       _mesa_update_draw_buffer_bounds( ctx );
 
+   if (new_state & _NEW_POLYGON)
+      update_polygon( ctx );
+
    if (new_state & _NEW_LIGHT)
       _mesa_update_lighting( ctx );
 
@@ -1168,6 +1201,9 @@ _mesa_update_state_locked( GLcontext *ctx )
    if (new_state & _IMAGE_NEW_TRANSFER_STATE)
       _mesa_update_pixel( ctx, new_state );
 
+   if (new_state & _DD_NEW_SEPARATE_SPECULAR)
+      update_separate_specular( ctx );
+
    if (new_state & (_NEW_ARRAY | _NEW_PROGRAM))
       update_arrays( ctx );
 
@@ -1177,9 +1213,11 @@ _mesa_update_state_locked( GLcontext *ctx )
    if (new_state & _NEW_COLOR)
       update_color( ctx );
 
+#if 0
    if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT
                     | _NEW_STENCIL | _DD_NEW_SEPARATE_SPECULAR))
       update_tricaps( ctx, new_state );
+#endif
 
    if (ctx->FragmentProgram._MaintainTexEnvProgram) {
       if (new_state & (_NEW_TEXTURE | _DD_NEW_SEPARATE_SPECULAR | _NEW_FOG))
diff --git a/src/mesa/main/texcompress_s3tc.c b/src/mesa/main/texcompress_s3tc.c
index c48063d9192..4f329cdf59b 100644
--- a/src/mesa/main/texcompress_s3tc.c
+++ b/src/mesa/main/texcompress_s3tc.c
@@ -577,6 +577,32 @@ const struct gl_texture_format _mesa_texformat_rgb_dxt1 = {
    NULL					/* StoreTexel */
 };
 
+#if FEATURE_EXT_texture_sRGB
+const struct gl_texture_format _mesa_texformat_srgb_dxt1 = {
+   MESA_FORMAT_SRGB_DXT1,		/* MesaFormat */
+   GL_RGB,				/* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,		/* DataType */
+   4, /*approx*/			/* RedBits */
+   4, /*approx*/			/* GreenBits */
+   4, /*approx*/			/* BlueBits */
+   0,					/* AlphaBits */
+   0,					/* LuminanceBits */
+   0,					/* IntensityBits */
+   0,					/* IndexBits */
+   0,					/* DepthBits */
+   0,					/* StencilBits */
+   0,					/* TexelBytes */
+   texstore_rgb_dxt1,			/* StoreTexImageFunc */
+   NULL, /*impossible*/ 		/* FetchTexel1D */
+   fetch_texel_2d_rgb_dxt1, 		/* FetchTexel2D */
+   NULL, /*impossible*/ 		/* FetchTexel3D */
+   NULL, /*impossible*/ 		/* FetchTexel1Df */
+   fetch_texel_2d_f_rgb_dxt1, 		/* FetchTexel2Df */
+   NULL, /*impossible*/ 		/* FetchTexel3Df */
+   NULL					/* StoreTexel */
+};
+#endif
+
 const struct gl_texture_format _mesa_texformat_rgba_dxt1 = {
    MESA_FORMAT_RGBA_DXT1,		/* MesaFormat */
    GL_RGBA,				/* BaseFormat */
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index 72b54b27d9a..9c84da985e0 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -38,7 +38,7 @@
  * According to Glean's texCombine test, no more than 21 instructions
  * are needed.  Allow a few extra just in case.
  */
-#define MAX_INSTRUCTIONS 24
+#define MAX_INSTRUCTIONS ((MAX_TEXTURE_UNITS * 6) + 10) /* see bug 9829 */
 
 #define DISASSEM (MESA_VERBOSE & VERBOSE_DISASSEM)
 
diff --git a/src/mesa/main/texformat.h b/src/mesa/main/texformat.h
index 55851db7016..82023b946d5 100644
--- a/src/mesa/main/texformat.h
+++ b/src/mesa/main/texformat.h
@@ -97,6 +97,7 @@ enum _format {
    MESA_FORMAT_SRGBA8,
    MESA_FORMAT_SL8,
    MESA_FORMAT_SLA8,
+   MESA_FORMAT_SRGB_DXT1,
    /*@}*/
 #endif
 
@@ -168,6 +169,7 @@ extern const struct gl_texture_format _mesa_texformat_srgb8;
 extern const struct gl_texture_format _mesa_texformat_srgba8;
 extern const struct gl_texture_format _mesa_texformat_sl8;
 extern const struct gl_texture_format _mesa_texformat_sla8;
+extern const struct gl_texture_format _mesa_texformat_srgb_dxt1;
 /*@}*/
 #endif
 
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 3420d8e2baf..1bc52d220ab 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -760,15 +760,15 @@ _mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit,
       case GL_TEXTURE_1D:
          return texUnit->Current1D;
       case GL_PROXY_TEXTURE_1D:
-         return ctx->Texture.Proxy1D;
+         return ctx->Texture.ProxyTex[TEXTURE_1D_INDEX];
       case GL_TEXTURE_2D:
          return texUnit->Current2D;
       case GL_PROXY_TEXTURE_2D:
-         return ctx->Texture.Proxy2D;
+         return ctx->Texture.ProxyTex[TEXTURE_2D_INDEX];
       case GL_TEXTURE_3D:
          return texUnit->Current3D;
       case GL_PROXY_TEXTURE_3D:
-         return ctx->Texture.Proxy3D;
+         return ctx->Texture.ProxyTex[TEXTURE_3D_INDEX];
       case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
       case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
       case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
@@ -780,25 +780,25 @@ _mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit,
                 ? texUnit->CurrentCubeMap : NULL;
       case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
          return ctx->Extensions.ARB_texture_cube_map
-                ? ctx->Texture.ProxyCubeMap : NULL;
+                ? ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX] : NULL;
       case GL_TEXTURE_RECTANGLE_NV:
          return ctx->Extensions.NV_texture_rectangle
                 ? texUnit->CurrentRect : NULL;
       case GL_PROXY_TEXTURE_RECTANGLE_NV:
          return ctx->Extensions.NV_texture_rectangle
-                ? ctx->Texture.ProxyRect : NULL;
+                ? ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX] : NULL;
       case GL_TEXTURE_1D_ARRAY_EXT:
          return ctx->Extensions.MESA_texture_array
                 ? texUnit->Current1DArray : NULL;
       case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
          return ctx->Extensions.MESA_texture_array
-                ? ctx->Texture.Proxy1DArray : NULL;
+                ? ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX] : NULL;
       case GL_TEXTURE_2D_ARRAY_EXT:
          return ctx->Extensions.MESA_texture_array
                 ? texUnit->Current2DArray : NULL;
       case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
          return ctx->Extensions.MESA_texture_array
-                ? ctx->Texture.Proxy2DArray : NULL;
+                ? ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX] : NULL;
       default:
          _mesa_problem(NULL, "bad target in _mesa_select_tex_object()");
          return NULL;
@@ -924,106 +924,106 @@ _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
    case GL_PROXY_TEXTURE_1D:
       if (level >= ctx->Const.MaxTextureLevels)
          return NULL;
-      texImage = ctx->Texture.Proxy1D->Image[0][level];
+      texImage = ctx->Texture.ProxyTex[TEXTURE_1D_INDEX]->Image[0][level];
       if (!texImage) {
          texImage = ctx->Driver.NewTextureImage(ctx);
          if (!texImage) {
             _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
             return NULL;
          }
-         ctx->Texture.Proxy1D->Image[0][level] = texImage;
+         ctx->Texture.ProxyTex[TEXTURE_1D_INDEX]->Image[0][level] = texImage;
          /* Set the 'back' pointer */
-         texImage->TexObject = ctx->Texture.Proxy1D;
+         texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_1D_INDEX];
       }
       return texImage;
    case GL_PROXY_TEXTURE_2D:
       if (level >= ctx->Const.MaxTextureLevels)
          return NULL;
-      texImage = ctx->Texture.Proxy2D->Image[0][level];
+      texImage = ctx->Texture.ProxyTex[TEXTURE_2D_INDEX]->Image[0][level];
       if (!texImage) {
          texImage = ctx->Driver.NewTextureImage(ctx);
          if (!texImage) {
             _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
             return NULL;
          }
-         ctx->Texture.Proxy2D->Image[0][level] = texImage;
+         ctx->Texture.ProxyTex[TEXTURE_2D_INDEX]->Image[0][level] = texImage;
          /* Set the 'back' pointer */
-         texImage->TexObject = ctx->Texture.Proxy2D;
+         texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_2D_INDEX];
       }
       return texImage;
    case GL_PROXY_TEXTURE_3D:
       if (level >= ctx->Const.Max3DTextureLevels)
          return NULL;
-      texImage = ctx->Texture.Proxy3D->Image[0][level];
+      texImage = ctx->Texture.ProxyTex[TEXTURE_3D_INDEX]->Image[0][level];
       if (!texImage) {
          texImage = ctx->Driver.NewTextureImage(ctx);
          if (!texImage) {
             _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
             return NULL;
          }
-         ctx->Texture.Proxy3D->Image[0][level] = texImage;
+         ctx->Texture.ProxyTex[TEXTURE_3D_INDEX]->Image[0][level] = texImage;
          /* Set the 'back' pointer */
-         texImage->TexObject = ctx->Texture.Proxy3D;
+         texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_3D_INDEX];
       }
       return texImage;
    case GL_PROXY_TEXTURE_CUBE_MAP:
       if (level >= ctx->Const.MaxCubeTextureLevels)
          return NULL;
-      texImage = ctx->Texture.ProxyCubeMap->Image[0][level];
+      texImage = ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX]->Image[0][level];
       if (!texImage) {
          texImage = ctx->Driver.NewTextureImage(ctx);
          if (!texImage) {
             _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
             return NULL;
          }
-         ctx->Texture.ProxyCubeMap->Image[0][level] = texImage;
+         ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX]->Image[0][level] = texImage;
          /* Set the 'back' pointer */
-         texImage->TexObject = ctx->Texture.ProxyCubeMap;
+         texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX];
       }
       return texImage;
    case GL_PROXY_TEXTURE_RECTANGLE_NV:
       if (level > 0)
          return NULL;
-      texImage = ctx->Texture.ProxyRect->Image[0][level];
+      texImage = ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX]->Image[0][level];
       if (!texImage) {
          texImage = ctx->Driver.NewTextureImage(ctx);
          if (!texImage) {
             _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
             return NULL;
          }
-         ctx->Texture.ProxyRect->Image[0][level] = texImage;
+         ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX]->Image[0][level] = texImage;
          /* Set the 'back' pointer */
-         texImage->TexObject = ctx->Texture.ProxyRect;
+         texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX];
       }
       return texImage;
    case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
       if (level >= ctx->Const.MaxTextureLevels)
          return NULL;
-      texImage = ctx->Texture.Proxy1DArray->Image[0][level];
+      texImage = ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX]->Image[0][level];
       if (!texImage) {
          texImage = ctx->Driver.NewTextureImage(ctx);
          if (!texImage) {
             _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
             return NULL;
          }
-         ctx->Texture.Proxy1DArray->Image[0][level] = texImage;
+         ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX]->Image[0][level] = texImage;
          /* Set the 'back' pointer */
-         texImage->TexObject = ctx->Texture.Proxy1DArray;
+         texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX];
       }
       return texImage;
    case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
       if (level >= ctx->Const.MaxTextureLevels)
          return NULL;
-      texImage = ctx->Texture.Proxy2DArray->Image[0][level];
+      texImage = ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX]->Image[0][level];
       if (!texImage) {
          texImage = ctx->Driver.NewTextureImage(ctx);
          if (!texImage) {
             _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
             return NULL;
          }
-         ctx->Texture.Proxy2DArray->Image[0][level] = texImage;
+         ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX]->Image[0][level] = texImage;
          /* Set the 'back' pointer */
-         texImage->TexObject = ctx->Texture.Proxy2DArray;
+         texImage->TexObject = ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX];
       }
       return texImage;
    default:
@@ -1998,7 +1998,7 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
    }
 
    if (is_compressed_format(ctx, internalFormat)) {
-      if (target != GL_TEXTURE_2D) {
+      if (!target_can_be_compressed(ctx, target)) {
          _mesa_error(ctx, GL_INVALID_ENUM,
                      "glCopyTexImage%d(target)", dimensions);
          return GL_TRUE;
@@ -2181,7 +2181,7 @@ copytexsubimage_error_check2( GLcontext *ctx, GLuint dimensions,
    }
 
    if (teximage->IsCompressed) {
-      if (target != GL_TEXTURE_2D) {
+      if (!target_can_be_compressed(ctx, target)) {
          _mesa_error(ctx, GL_INVALID_ENUM,
                      "glCopyTexSubImage%d(target)", dimensions);
          return GL_TRUE;
@@ -2591,7 +2591,7 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
                               1, border)) {
          /* when error, clear all proxy texture image parameters */
          if (texImage)
-            clear_teximage_fields(ctx->Texture.Proxy2D->Image[0][level]);
+            clear_teximage_fields(ctx->Texture.ProxyTex[TEXTURE_2D_INDEX]->Image[0][level]);
       }
       else {
          /* no error, set the tex image parameters */
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index df64002f994..3e017c1eda1 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -5,9 +5,9 @@
 
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
+ * Version:  7.1
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -106,6 +106,7 @@ _mesa_initialize_texture_object( struct gl_texture_object *obj,
 
    _mesa_bzero(obj, sizeof(*obj));
    /* init the non-zero fields */
+   _glthread_INIT_MUTEX(obj->Mutex);
    obj->RefCount = 1;
    obj->Name = name;
    obj->Target = target;
@@ -153,6 +154,11 @@ _mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
 
    (void) ctx;
 
+   /* Set Target to an invalid value.  With some assertions elsewhere
+    * we can try to detect possible use of deleted textures.
+    */
+   texObj->Target = 0x99;
+
    _mesa_free_colortable_data(&texObj->Palette);
 
    /* free the texture images */
@@ -164,6 +170,9 @@ _mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
       }
    }
 
+   /* destroy the mutex -- it may have allocated memory (eg on bsd) */
+   _glthread_DESTROY_MUTEX(texObj->Mutex);
+
    /* free this object */
    _mesa_free(texObj);
 }
@@ -182,6 +191,7 @@ void
 _mesa_copy_texture_object( struct gl_texture_object *dest,
                            const struct gl_texture_object *src )
 {
+   dest->Target = src->Target;
    dest->Name = src->Name;
    dest->Priority = src->Priority;
    dest->BorderColor[0] = src->BorderColor[0];
@@ -214,6 +224,94 @@ _mesa_copy_texture_object( struct gl_texture_object *dest,
 
 
 /**
+ * Check if the given texture object is valid by examining its Target field.
+ * For debugging only.
+ */
+static GLboolean
+valid_texture_object(const struct gl_texture_object *tex)
+{
+   switch (tex->Target) {
+   case 0:
+   case GL_TEXTURE_1D:
+   case GL_TEXTURE_2D:
+   case GL_TEXTURE_3D:
+   case GL_TEXTURE_CUBE_MAP_ARB:
+   case GL_TEXTURE_RECTANGLE_NV:
+   case GL_TEXTURE_1D_ARRAY_EXT:
+   case GL_TEXTURE_2D_ARRAY_EXT:
+      return GL_TRUE;
+   case 0x99:
+      _mesa_problem(NULL, "invalid reference to a deleted texture object");
+      return GL_FALSE;
+   default:
+      _mesa_problem(NULL, "invalid texture object Target value");
+      return GL_FALSE;
+   }
+}
+
+
+/**
+ * Reference (or unreference) a texture object.
+ * If '*ptr', decrement *ptr's refcount (and delete if it becomes zero).
+ * If 'tex' is non-null, increment its refcount.
+ */
+void
+_mesa_reference_texobj(struct gl_texture_object **ptr,
+                       struct gl_texture_object *tex)
+{
+   assert(ptr);
+   if (*ptr == tex) {
+      /* no change */
+      return;
+   }
+
+   if (*ptr) {
+      /* Unreference the old texture */
+      GLboolean deleteFlag = GL_FALSE;
+      struct gl_texture_object *oldTex = *ptr;
+
+      assert(valid_texture_object(oldTex));
+
+      _glthread_LOCK_MUTEX(oldTex->Mutex);
+      ASSERT(oldTex->RefCount > 0);
+      oldTex->RefCount--;
+
+      deleteFlag = (oldTex->RefCount == 0);
+      _glthread_UNLOCK_MUTEX(oldTex->Mutex);
+
+      if (deleteFlag) {
+         GET_CURRENT_CONTEXT(ctx);
+         if (ctx)
+            ctx->Driver.DeleteTexture(ctx, oldTex);
+         else
+            _mesa_problem(NULL, "Unable to delete texture, no context");
+      }
+
+      *ptr = NULL;
+   }
+   assert(!*ptr);
+
+   if (tex) {
+      /* reference new texture */
+      assert(valid_texture_object(tex));
+      _glthread_LOCK_MUTEX(tex->Mutex);
+      if (tex->RefCount == 0) {
+         /* this texture's being deleted (look just above) */
+         /* Not sure this can every really happen.  Warn if it does. */
+         _mesa_problem(NULL, "referencing deleted texture object");
+         *ptr = NULL;
+      }
+      else {
+         tex->RefCount++;
+         *ptr = tex;
+      }
+      _glthread_UNLOCK_MUTEX(tex->Mutex);
+   }
+}
+
+
+
+/**
  * Report why a texture object is incomplete.  
  *
  * \param t texture object.
@@ -609,8 +707,7 @@ unbind_texobj_from_fbo(GLcontext *ctx, struct gl_texture_object *texObj)
 
 /**
  * Check if the given texture object is bound to any texture image units and
- * unbind it if so.
- * XXX all RefCount accesses should be protected by a mutex.
+ * unbind it if so (revert to default textures).
  */
 static void
 unbind_texobj_from_texunits(GLcontext *ctx, struct gl_texture_object *texObj)
@@ -619,42 +716,26 @@ unbind_texobj_from_texunits(GLcontext *ctx, struct gl_texture_object *texObj)
 
    for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
       struct gl_texture_unit *unit = &ctx->Texture.Unit[u];
-      struct gl_texture_object **curr = NULL;
-
       if (texObj == unit->Current1D) {
-         curr = &unit->Current1D;
-         unit->Current1D = ctx->Shared->Default1D;
+         _mesa_reference_texobj(&unit->Current1D, ctx->Shared->Default1D);
       }
       else if (texObj == unit->Current2D) {
-         curr = &unit->Current2D;
-         unit->Current2D = ctx->Shared->Default2D;
+         _mesa_reference_texobj(&unit->Current2D, ctx->Shared->Default2D);
       }
       else if (texObj == unit->Current3D) {
-         curr = &unit->Current3D;
-         unit->Current3D = ctx->Shared->Default3D;
+         _mesa_reference_texobj(&unit->Current3D, ctx->Shared->Default3D);
       }
       else if (texObj == unit->CurrentCubeMap) {
-         curr = &unit->CurrentCubeMap;
-         unit->CurrentCubeMap = ctx->Shared->DefaultCubeMap;
+         _mesa_reference_texobj(&unit->CurrentCubeMap, ctx->Shared->DefaultCubeMap);
       }
       else if (texObj == unit->CurrentRect) {
-         curr = &unit->CurrentRect;
-         unit->CurrentRect = ctx->Shared->DefaultRect;
+         _mesa_reference_texobj(&unit->CurrentRect, ctx->Shared->DefaultRect);
       }
       else if (texObj == unit->Current1DArray) {
-         curr = &unit->Current1DArray;
-         unit->CurrentRect = ctx->Shared->Default1DArray;
+         _mesa_reference_texobj(&unit->Current1DArray, ctx->Shared->Default1DArray);
       }
       else if (texObj == unit->Current2DArray) {
-         curr = &unit->Current1DArray;
-         unit->CurrentRect = ctx->Shared->Default2DArray;
-      }
-
-      if (curr) {
-         (*curr)->RefCount++;
-         texObj->RefCount--;
-         if (texObj == unit->_Current)
-            unit->_Current = *curr;
+         _mesa_reference_texobj(&unit->Current2DArray, ctx->Shared->Default2DArray);
       }
    }
 }
@@ -690,8 +771,6 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures)
             = _mesa_lookup_texture(ctx, textures[i]);
 
          if (delObj) {
-	    GLboolean deleted;
-
 	    _mesa_lock_texture(ctx, delObj);
 
             /* Check if texture is bound to any framebuffer objects.
@@ -701,10 +780,12 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures)
             unbind_texobj_from_fbo(ctx, delObj);
 
             /* Check if this texture is currently bound to any texture units.
-             * If so, unbind it and decrement the reference count.
+             * If so, unbind it.
              */
             unbind_texobj_from_texunits(ctx, delObj);
 
+	    _mesa_unlock_texture(ctx, delObj);
+
             ctx->NewState |= _NEW_TEXTURE;
 
             /* The texture _name_ is now free for re-use.
@@ -714,23 +795,10 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures)
             _mesa_HashRemove(ctx->Shared->TexObjects, delObj->Name);
             _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
 
-            /* The actual texture object will not be freed until it's no
-             * longer bound in any context.
-             * XXX all RefCount accesses should be protected by a mutex.
+            /* Unreference the texobj.  If refcount hits zero, the texture
+             * will be deleted.
              */
-            delObj->RefCount--;
-	    deleted = (delObj->RefCount == 0);
-	    _mesa_unlock_texture(ctx, delObj);
-
-	    /* We know that refcount went to zero above, so this is
-	     * the only pointer left to delObj, so we don't have to
-	     * worry about locking any more:
-	     */
-            if (deleted) {
-               ASSERT(delObj->Name != 0); /* Never delete default tex objs */
-               ASSERT(ctx->Driver.DeleteTexture);
-               (*ctx->Driver.DeleteTexture)(ctx, delObj);
-            }
+            _mesa_reference_texobj(&delObj, NULL);
          }
       }
    }
@@ -758,7 +826,6 @@ _mesa_BindTexture( GLenum target, GLuint texName )
    GET_CURRENT_CONTEXT(ctx);
    const GLuint unit = ctx->Texture.CurrentUnit;
    struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-   struct gl_texture_object *oldTexObj;
    struct gl_texture_object *newTexObj = NULL;
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
@@ -767,62 +834,6 @@ _mesa_BindTexture( GLenum target, GLuint texName )
                   _mesa_lookup_enum_by_nr(target), (GLint) texName);
 
    /*
-    * Get pointer to currently bound texture object (oldTexObj)
-    */
-   switch (target) {
-      case GL_TEXTURE_1D:
-         oldTexObj = texUnit->Current1D;
-         break;
-      case GL_TEXTURE_2D:
-         oldTexObj = texUnit->Current2D;
-         break;
-      case GL_TEXTURE_3D:
-         oldTexObj = texUnit->Current3D;
-         break;
-      case GL_TEXTURE_CUBE_MAP_ARB:
-         if (!ctx->Extensions.ARB_texture_cube_map) {
-            _mesa_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" );
-            return;
-         }
-         oldTexObj = texUnit->CurrentCubeMap;
-         break;
-      case GL_TEXTURE_RECTANGLE_NV:
-         if (!ctx->Extensions.NV_texture_rectangle) {
-            _mesa_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" );
-            return;
-         }
-         oldTexObj = texUnit->CurrentRect;
-         break;
-      case GL_TEXTURE_1D_ARRAY_EXT:
-         if (!ctx->Extensions.MESA_texture_array) {
-            _mesa_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" );
-            return;
-         }
-         oldTexObj = texUnit->Current1DArray;
-         break;
-      case GL_TEXTURE_2D_ARRAY_EXT:
-         if (!ctx->Extensions.MESA_texture_array) {
-            _mesa_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" );
-            return;
-         }
-         oldTexObj = texUnit->Current2DArray;
-         break;
-      default:
-         _mesa_error( ctx, GL_INVALID_ENUM, "glBindTexture(target)" );
-         return;
-   }
-
-   if (oldTexObj->Name == texName) {
-      /* XXX this might be wrong.  If the texobj is in use by another
-       * context and a texobj parameter was changed, this might be our
-       * only chance to update this context's hardware state.
-       * Note that some applications re-bind the same texture a lot so we
-       * want to handle that case quickly.
-       */
-      return;   /* rebinding the same texture- no change */
-   }
-
-   /*
     * Get pointer to new texture object (newTexObj)
     */
    if (texName == 0) {
@@ -896,28 +907,30 @@ _mesa_BindTexture( GLenum target, GLuint texName )
       newTexObj->Target = target;
    }
 
-   /* XXX all RefCount accesses should be protected by a mutex. */
-   newTexObj->RefCount++;
+   assert(valid_texture_object(newTexObj));
 
-   /* do the actual binding, but first flush outstanding vertices:
-    */
+   /* flush before changing binding */
    FLUSH_VERTICES(ctx, _NEW_TEXTURE);
 
+   /* Do the actual binding.  The refcount on the previously bound
+    * texture object will be decremented.  It'll be deleted if the
+    * count hits zero.
+    */
    switch (target) {
       case GL_TEXTURE_1D:
-         texUnit->Current1D = newTexObj;
+         _mesa_reference_texobj(&texUnit->Current1D, newTexObj);
          break;
       case GL_TEXTURE_2D:
-         texUnit->Current2D = newTexObj;
+         _mesa_reference_texobj(&texUnit->Current2D, newTexObj);
          break;
       case GL_TEXTURE_3D:
-         texUnit->Current3D = newTexObj;
+         _mesa_reference_texobj(&texUnit->Current3D, newTexObj);
          break;
       case GL_TEXTURE_CUBE_MAP_ARB:
-         texUnit->CurrentCubeMap = newTexObj;
+         _mesa_reference_texobj(&texUnit->CurrentCubeMap, newTexObj);
          break;
       case GL_TEXTURE_RECTANGLE_NV:
-         texUnit->CurrentRect = newTexObj;
+         _mesa_reference_texobj(&texUnit->CurrentRect, newTexObj);
          break;
       case GL_TEXTURE_1D_ARRAY_EXT:
          texUnit->Current1DArray = newTexObj;
@@ -933,18 +946,6 @@ _mesa_BindTexture( GLenum target, GLuint texName )
    /* Pass BindTexture call to device driver */
    if (ctx->Driver.BindTexture)
       (*ctx->Driver.BindTexture)( ctx, target, newTexObj );
-
-   /* Decrement the reference count on the old texture and check if it's
-    * time to delete it.
-    */
-   /* XXX all RefCount accesses should be protected by a mutex. */
-   oldTexObj->RefCount--;
-   ASSERT(oldTexObj->RefCount >= 0);
-   if (oldTexObj->RefCount == 0) {
-      ASSERT(oldTexObj->Name != 0);
-      ASSERT(ctx->Driver.DeleteTexture);
-      (*ctx->Driver.DeleteTexture)( ctx, oldTexObj );
-   }
 }
 
 
diff --git a/src/mesa/main/texobj.h b/src/mesa/main/texobj.h
index 2a2bde36017..d5374c5d6c4 100644
--- a/src/mesa/main/texobj.h
+++ b/src/mesa/main/texobj.h
@@ -58,6 +58,10 @@ _mesa_copy_texture_object( struct gl_texture_object *dest,
                            const struct gl_texture_object *src );
 
 extern void
+_mesa_reference_texobj(struct gl_texture_object **ptr,
+                       struct gl_texture_object *tex);
+
+extern void
 _mesa_test_texobj_completeness( const GLcontext *ctx,
                                 struct gl_texture_object *obj );
 
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index c9f8a0656e8..288b334eaf6 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -63,31 +63,6 @@ static const struct gl_tex_env_combine_state default_combine_state = {
 };
 
 
-/**
- * Copy a texture binding.  Helper used by _mesa_copy_texture_state().
- */
-static void
-copy_texture_binding(const GLcontext *ctx,
-                     struct gl_texture_object **dst,
-                     struct gl_texture_object *src)
-{
-   /* only copy if names differ (per OpenGL SI) */
-   if ((*dst)->Name != src->Name) {
-      /* unbind/delete dest binding which we're changing */
-      (*dst)->RefCount--;
-      if ((*dst)->RefCount == 0) {
-         /* time to delete this texture object */
-         ASSERT((*dst)->Name != 0);
-         ASSERT(ctx->Driver.DeleteTexture);
-         /* XXX cast-away const, unfortunately */
-         (*ctx->Driver.DeleteTexture)((GLcontext *) ctx, *dst);
-      }
-      /* make new binding, incrementing ref count */
-      *dst = src;
-      src->RefCount++;
-   }
-}
-
 
 /**
  * Used by glXCopyContext to copy texture state from one context to another.
@@ -144,20 +119,20 @@ _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst )
       /* copy texture object bindings, not contents of texture objects */
       _mesa_lock_context_textures(dst);
 
-      copy_texture_binding(src, &dst->Texture.Unit[i].Current1D,
-                           src->Texture.Unit[i].Current1D);
-      copy_texture_binding(src, &dst->Texture.Unit[i].Current2D,
-                           src->Texture.Unit[i].Current2D);
-      copy_texture_binding(src, &dst->Texture.Unit[i].Current3D,
-                           src->Texture.Unit[i].Current3D);
-      copy_texture_binding(src, &dst->Texture.Unit[i].CurrentCubeMap,
-                           src->Texture.Unit[i].CurrentCubeMap);
-      copy_texture_binding(src, &dst->Texture.Unit[i].CurrentRect,
-                           src->Texture.Unit[i].CurrentRect);
-      copy_texture_binding(src, &dst->Texture.Unit[i].Current1DArray,
-                           src->Texture.Unit[i].Current1DArray);
-      copy_texture_binding(src, &dst->Texture.Unit[i].Current2DArray,
-                           src->Texture.Unit[i].Current2DArray);
+      _mesa_reference_texobj(&dst->Texture.Unit[i].Current1D,
+                             src->Texture.Unit[i].Current1D);
+      _mesa_reference_texobj(&dst->Texture.Unit[i].Current2D,
+                             src->Texture.Unit[i].Current2D);
+      _mesa_reference_texobj(&dst->Texture.Unit[i].Current3D,
+                             src->Texture.Unit[i].Current3D);
+      _mesa_reference_texobj(&dst->Texture.Unit[i].CurrentCubeMap,
+                             src->Texture.Unit[i].CurrentCubeMap);
+      _mesa_reference_texobj(&dst->Texture.Unit[i].CurrentRect,
+                             src->Texture.Unit[i].CurrentRect);
+      _mesa_reference_texobj(&dst->Texture.Unit[i].Current1DArray,
+                             src->Texture.Unit[i].Current1DArray);
+      _mesa_reference_texobj(&dst->Texture.Unit[i].Current2DArray,
+                             src->Texture.Unit[i].Current2DArray);
 
       _mesa_unlock_context_textures(dst);
    }
@@ -3085,52 +3060,32 @@ _mesa_update_texture( GLcontext *ctx, GLuint new_state )
 static GLboolean
 alloc_proxy_textures( GLcontext *ctx )
 {
-   ctx->Texture.Proxy1D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_1D);
-   if (!ctx->Texture.Proxy1D)
-      goto cleanup;
-
-   ctx->Texture.Proxy2D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_2D);
-   if (!ctx->Texture.Proxy2D)
-      goto cleanup;
-
-   ctx->Texture.Proxy3D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_3D);
-   if (!ctx->Texture.Proxy3D)
-      goto cleanup;
-
-   ctx->Texture.ProxyCubeMap = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_CUBE_MAP_ARB);
-   if (!ctx->Texture.ProxyCubeMap)
-      goto cleanup;
-
-   ctx->Texture.ProxyRect = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_RECTANGLE_NV);
-   if (!ctx->Texture.ProxyRect)
-      goto cleanup;
-
-   ctx->Texture.Proxy1DArray = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_1D_ARRAY_EXT);
-   if (!ctx->Texture.Proxy1DArray)
-      goto cleanup;
-
-   ctx->Texture.Proxy2DArray = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_2D_ARRAY_EXT);
-   if (!ctx->Texture.Proxy2DArray)
-      goto cleanup;
+   static const GLenum targets[] = {
+      GL_TEXTURE_1D,
+      GL_TEXTURE_2D,
+      GL_TEXTURE_3D,
+      GL_TEXTURE_CUBE_MAP_ARB,
+      GL_TEXTURE_RECTANGLE_NV,
+      GL_TEXTURE_1D_ARRAY_EXT,
+      GL_TEXTURE_2D_ARRAY_EXT
+   };
+   GLint tgt;
+
+   ASSERT(Elements(targets) == NUM_TEXTURE_TARGETS);
+
+   for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+      if (!(ctx->Texture.ProxyTex[tgt]
+            = ctx->Driver.NewTextureObject(ctx, 0, targets[tgt]))) {
+         /* out of memory, free what we did allocate */
+         while (--tgt >= 0) {
+            ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]);
+         }
+         return GL_FALSE;
+      }
+   }
 
+   assert(ctx->Texture.ProxyTex[0]->RefCount == 1); /* sanity check */
    return GL_TRUE;
-
- cleanup:
-   if (ctx->Texture.Proxy1D)
-      (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy1D);
-   if (ctx->Texture.Proxy2D)
-      (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy2D);
-   if (ctx->Texture.Proxy3D)
-      (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy3D);
-   if (ctx->Texture.ProxyCubeMap)
-      (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyCubeMap);
-   if (ctx->Texture.ProxyRect)
-      (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyRect);
-   if (ctx->Texture.Proxy1DArray)
-      (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy1DArray);
-   if (ctx->Texture.Proxy2DArray)
-      (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy2DArray);
-   return GL_FALSE;
 }
 
 
@@ -3172,13 +3127,14 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
    ASSIGN_4V( texUnit->EyePlaneR, 0.0, 0.0, 0.0, 0.0 );
    ASSIGN_4V( texUnit->EyePlaneQ, 0.0, 0.0, 0.0, 0.0 );
 
-   texUnit->Current1D = ctx->Shared->Default1D;
-   texUnit->Current2D = ctx->Shared->Default2D;
-   texUnit->Current3D = ctx->Shared->Default3D;
-   texUnit->CurrentCubeMap = ctx->Shared->DefaultCubeMap;
-   texUnit->CurrentRect = ctx->Shared->DefaultRect;
-   texUnit->Current1DArray = ctx->Shared->Default1DArray;
-   texUnit->Current2DArray = ctx->Shared->Default2DArray;
+   /* initialize current texture object ptrs to the shared default objects */
+   _mesa_reference_texobj(&texUnit->Current1D, ctx->Shared->Default1D);
+   _mesa_reference_texobj(&texUnit->Current2D, ctx->Shared->Default2D);
+   _mesa_reference_texobj(&texUnit->Current3D, ctx->Shared->Default3D);
+   _mesa_reference_texobj(&texUnit->CurrentCubeMap, ctx->Shared->DefaultCubeMap);
+   _mesa_reference_texobj(&texUnit->CurrentRect, ctx->Shared->DefaultRect);
+   _mesa_reference_texobj(&texUnit->Current1DArray, ctx->Shared->Default1DArray);
+   _mesa_reference_texobj(&texUnit->Current2DArray, ctx->Shared->Default2DArray);
 }
 
 
@@ -3193,23 +3149,20 @@ _mesa_init_texture(GLcontext *ctx)
    assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS);
    assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS);
 
-   /* Effectively bind the default textures to all texture units */
-   ctx->Shared->Default1D->RefCount += MAX_TEXTURE_UNITS;
-   ctx->Shared->Default2D->RefCount += MAX_TEXTURE_UNITS;
-   ctx->Shared->Default3D->RefCount += MAX_TEXTURE_UNITS;
-   ctx->Shared->DefaultCubeMap->RefCount += MAX_TEXTURE_UNITS;
-   ctx->Shared->DefaultRect->RefCount += MAX_TEXTURE_UNITS;
-   ctx->Shared->Default1DArray->RefCount += MAX_TEXTURE_UNITS;
-   ctx->Shared->Default2DArray->RefCount += MAX_TEXTURE_UNITS;
-
    /* Texture group */
    ctx->Texture.CurrentUnit = 0;      /* multitexture */
    ctx->Texture._EnabledUnits = 0;
-   for (i=0; i<MAX_TEXTURE_UNITS; i++)
-      init_texture_unit( ctx, i );
    ctx->Texture.SharedPalette = GL_FALSE;
    _mesa_init_colortable(&ctx->Texture.Palette);
 
+   for (i = 0; i < MAX_TEXTURE_UNITS; i++)
+      init_texture_unit( ctx, i );
+
+   /* After we're done initializing the context's texture state the default
+    * texture objects' refcounts should be at least MAX_TEXTURE_UNITS + 1.
+    */
+   assert(ctx->Shared->Default1D->RefCount >= MAX_TEXTURE_UNITS + 1);
+
    _mesa_TexEnvProgramCacheInit( ctx );
 
    /* Allocate proxy textures */
@@ -3226,19 +3179,50 @@ _mesa_init_texture(GLcontext *ctx)
 void
 _mesa_free_texture_data(GLcontext *ctx)
 {
-   GLuint i;
+   GLuint u, tgt;
+
+   /* unreference current textures */
+   for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
+      struct gl_texture_unit *unit = ctx->Texture.Unit + u;
+      _mesa_reference_texobj(&unit->Current1D, NULL);
+      _mesa_reference_texobj(&unit->Current2D, NULL);
+      _mesa_reference_texobj(&unit->Current3D, NULL);
+      _mesa_reference_texobj(&unit->CurrentCubeMap, NULL);
+      _mesa_reference_texobj(&unit->CurrentRect, NULL);
+      _mesa_reference_texobj(&unit->Current1DArray, NULL);
+      _mesa_reference_texobj(&unit->Current2DArray, NULL);
+   }
 
    /* Free proxy texture objects */
-   (ctx->Driver.DeleteTexture)(ctx,  ctx->Texture.Proxy1D );
-   (ctx->Driver.DeleteTexture)(ctx,  ctx->Texture.Proxy2D );
-   (ctx->Driver.DeleteTexture)(ctx,  ctx->Texture.Proxy3D );
-   (ctx->Driver.DeleteTexture)(ctx,  ctx->Texture.ProxyCubeMap );
-   (ctx->Driver.DeleteTexture)(ctx,  ctx->Texture.ProxyRect );
-   (ctx->Driver.DeleteTexture)(ctx,  ctx->Texture.Proxy1DArray );
-   (ctx->Driver.DeleteTexture)(ctx,  ctx->Texture.Proxy2DArray );
+   for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++)
+      ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]);
 
-   for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++)
-      _mesa_free_colortable_data( &ctx->Texture.Unit[i].ColorTable );
+   for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++)
+      _mesa_free_colortable_data( &ctx->Texture.Unit[u].ColorTable );
 
    _mesa_TexEnvProgramCacheDestroy( ctx );
 }
+
+
+/**
+ * Update the default texture objects in the given context to reference those
+ * specified in the shared state and release those referencing the old 
+ * shared state.
+ */
+void
+_mesa_update_default_objects_texture(GLcontext *ctx)
+{
+   GLuint i;
+
+   for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
+      struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
+
+      _mesa_reference_texobj(&texUnit->Current1D, ctx->Shared->Default1D);
+      _mesa_reference_texobj(&texUnit->Current2D, ctx->Shared->Default2D);
+      _mesa_reference_texobj(&texUnit->Current3D, ctx->Shared->Default3D);
+      _mesa_reference_texobj(&texUnit->CurrentCubeMap, ctx->Shared->DefaultCubeMap);
+      _mesa_reference_texobj(&texUnit->CurrentRect, ctx->Shared->DefaultRect);
+      _mesa_reference_texobj(&texUnit->Current1DArray, ctx->Shared->Default1DArray);
+      _mesa_reference_texobj(&texUnit->Current2DArray, ctx->Shared->Default2DArray);
+   }
+}
diff --git a/src/mesa/main/texstate.h b/src/mesa/main/texstate.h
index 60145691b8c..b978654116e 100644
--- a/src/mesa/main/texstate.h
+++ b/src/mesa/main/texstate.h
@@ -148,6 +148,9 @@ _mesa_init_texture( GLcontext *ctx );
 extern void 
 _mesa_free_texture_data( GLcontext *ctx );
 
+extern void
+_mesa_update_default_objects_texture(GLcontext *ctx);
+
 /*@}*/
 
 #endif