Add printf handlers, pass pci id and move texlayout code to driver.

9 files changed, 37 insertions, 525 deletions

diff --git a/src/mesa/drivers/dri/intel_winsys/Makefile b/src/mesa/drivers/dri/intel_winsys/Makefile
index da971aca837..ae08afccb37 100644
--- a/src/mesa/drivers/dri/intel_winsys/Makefile
+++ b/src/mesa/drivers/dri/intel_winsys/Makefile
@@ -14,7 +14,6 @@ DRIVER_SOURCES = \
 	intel_pipe_i915simple.c \
 	intel_pipe_softpipe.c \
 	intel_batchbuffer.c \
-	intel_tex_layout.c \
 	intel_buffers.c \
 	intel_blit.c \
 	intel_context.c \
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_context.c b/src/mesa/drivers/dri/intel_winsys/intel_context.c
index 8c61f0cf3c4..b88c785fb61 100644
--- a/src/mesa/drivers/dri/intel_winsys/intel_context.c
+++ b/src/mesa/drivers/dri/intel_winsys/intel_context.c
@@ -243,6 +243,8 @@ intelFlush(GLcontext * ctx)
 {
    struct intel_context *intel = intel_context(ctx);
 
+   /* Hmm:
+    */
    intel->pipe->flush( intel->pipe, 0 );
 }
 
@@ -421,8 +423,6 @@ intelCreateContext(const __GLcontextModes * mesaVis,
     */
    if (!getenv("INTEL_HW")) {
       intel->pipe = intel_create_softpipe( intel );
-      /* use default softpipe function for surface_alloc() */
-      intel->pipe->supported_formats = intel_supported_formats;
    }
    else {
       switch (intel->intelScreen->deviceID) {
@@ -447,28 +447,6 @@ intelCreateContext(const __GLcontextModes * mesaVis,
 
    st_create_context( &intel->ctx, intel->pipe ); 
 
-
-   /* TODO: Push this down into the pipe driver:
-    */
-   switch (intel->intelScreen->deviceID) {
-   case PCI_CHIP_I945_G:
-   case PCI_CHIP_I945_GM:
-   case PCI_CHIP_I945_GME:
-   case PCI_CHIP_G33_G:
-   case PCI_CHIP_Q33_G:
-   case PCI_CHIP_Q35_G:
-      intel->pipe->mipmap_tree_layout = i945_miptree_layout;
-      break;
-   case PCI_CHIP_I915_G:
-   case PCI_CHIP_I915_GM:
-   case PCI_CHIP_I830_M:
-   case PCI_CHIP_I855_GM:
-   case PCI_CHIP_I865_G:
-      intel->pipe->mipmap_tree_layout = i915_miptree_layout;
-   default:
-      assert(0); /*FIX*/
-   }
-
    return GL_TRUE;
 }
 
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_pipe_i915simple.c b/src/mesa/drivers/dri/intel_winsys/intel_pipe_i915simple.c
index 98d446ba904..c0e8c2349ca 100644
--- a/src/mesa/drivers/dri/intel_winsys/intel_pipe_i915simple.c
+++ b/src/mesa/drivers/dri/intel_winsys/intel_pipe_i915simple.c
@@ -227,10 +227,18 @@ static void intel_i915_batch_flush( struct i915_winsys *sws )
 {
    struct intel_context *intel = intel_i915_winsys(sws)->intel;
 
-   _mesa_printf("%s: start\n");
    intel_batchbuffer_flush( intel->batch );
-   intel_i915_batch_wait_idle( sws );
-   _mesa_printf("%s: done\n");
+   if (0) intel_i915_batch_wait_idle( sws );
+}
+
+
+static void intel_i915_printf( struct i915_winsys *sws,
+			       const char *fmtString, ... )
+{
+   va_list args;
+   va_start( args, fmtString );  
+   vfprintf(stderr, fmtString, args);
+   va_end( args );
 }
 
 
@@ -242,6 +250,7 @@ intel_create_i915simple( struct intel_context *intel )
    /* Fill in this struct with callbacks that i915simple will need to
     * communicate with the window system, buffer manager, etc. 
     */
+   iws->winsys.printf = intel_i915_printf;
    iws->winsys.buffer_create = intel_i915_buffer_create;
    iws->winsys.buffer_map = intel_i915_buffer_map;
    iws->winsys.buffer_unmap = intel_i915_buffer_unmap;
@@ -259,5 +268,5 @@ intel_create_i915simple( struct intel_context *intel )
 
    /* Create the i915simple context:
     */
-   return i915_create( &iws->winsys );
+   return i915_create( &iws->winsys, intel->intelScreen->deviceID );
 }
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_pipe_softpipe.c b/src/mesa/drivers/dri/intel_winsys/intel_pipe_softpipe.c
index 5edbca10980..fdd7acf7475 100644
--- a/src/mesa/drivers/dri/intel_winsys/intel_pipe_softpipe.c
+++ b/src/mesa/drivers/dri/intel_winsys/intel_pipe_softpipe.c
@@ -36,9 +36,14 @@
 
 #include "intel_context.h"
 #include "intel_pipe.h"
+#include "intel_surface.h"
 
 #include "pipe/softpipe/sp_winsys.h"
 
+/* Shouldn't really need this:
+ */
+#include "pipe/p_context.h"
+
 
 struct intel_softpipe_winsys {
    struct softpipe_winsys sws;
@@ -157,6 +162,7 @@ struct pipe_context *
 intel_create_softpipe( struct intel_context *intel )
 {
    struct intel_softpipe_winsys *isws = CALLOC_STRUCT( intel_softpipe_winsys );
+   struct pipe_context *pipe;
    
    /* Fill in this struct with callbacks that softpipe will need to
     * communicate with the window system, buffer manager, etc. 
@@ -177,5 +183,11 @@ intel_create_softpipe( struct intel_context *intel )
 
    /* Create the softpipe context:
     */
-   return softpipe_create( &isws->sws );
+   pipe = softpipe_create( &isws->sws );
+
+   /* XXX: This should probably be a parameter to softpipe_create()
+    */
+   pipe->supported_formats = intel_supported_formats;
+
+   return pipe;
 }
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_tex_layout.c b/src/mesa/drivers/dri/intel_winsys/intel_tex_layout.c
deleted file mode 100644
index 882d9e04a2c..00000000000
--- a/src/mesa/drivers/dri/intel_winsys/intel_tex_layout.c
+++ /dev/null
@@ -1,476 +0,0 @@
-/**************************************************************************
- * 
- * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- * 
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- **************************************************************************/
- /*
-  * Authors:
-  *   Keith Whitwell <[email protected]>
-  *   Michel Dänzer <[email protected]>
-  */
-
-#include "macros.h"
-#include "pipe/p_state.h"
-#include "pipe/p_context.h"
-#include "intel_tex_layout.h"
-#include "state_tracker/st_mipmap_tree.h"
-
-
-static GLuint minify( GLuint d )
-{
-   return MAX2(1, d>>1);
-}
-
-static int align(int value, int alignment)
-{
-   return (value + alignment - 1) & ~(alignment - 1);
-}
-
-
-static void
-intel_miptree_set_level_info(struct pipe_mipmap_tree *mt,
-                             GLuint level,
-                             GLuint nr_images,
-                             GLuint x, GLuint y, GLuint w, GLuint h, GLuint d)
-{
-   assert(level < MAX_TEXTURE_LEVELS);
-
-   mt->level[level].width = w;
-   mt->level[level].height = h;
-   mt->level[level].depth = d;
-   mt->level[level].level_offset = (x + y * mt->pitch) * mt->cpp;
-   mt->level[level].nr_images = nr_images;
-
-   /*
-   DBG("%s level %d size: %d,%d,%d offset %d,%d (0x%x)\n", __FUNCTION__,
-       level, w, h, d, x, y, mt->level[level].level_offset);
-   */
-
-   /* Not sure when this would happen, but anyway: 
-    */
-   if (mt->level[level].image_offset) {
-      free(mt->level[level].image_offset);
-      mt->level[level].image_offset = NULL;
-   }
-
-   assert(nr_images);
-   assert(!mt->level[level].image_offset);
-
-   mt->level[level].image_offset = (GLuint *) malloc(nr_images * sizeof(GLuint));
-   mt->level[level].image_offset[0] = 0;
-}
-
-
-static void
-intel_miptree_set_image_offset(struct pipe_mipmap_tree *mt,
-                               GLuint level, GLuint img, GLuint x, GLuint y)
-{
-   if (img == 0 && level == 0)
-      assert(x == 0 && y == 0);
-
-   assert(img < mt->level[level].nr_images);
-
-   mt->level[level].image_offset[img] = (x + y * mt->pitch);
-
-   /*
-   DBG("%s level %d img %d pos %d,%d image_offset %x\n",
-       __FUNCTION__, level, img, x, y, mt->level[level].image_offset[img]);
-   */
-}
-
-
-static void
-i945_miptree_layout_2d( struct pipe_mipmap_tree *mt )
-{
-   GLint align_h = 2, align_w = 4;
-   GLuint level;
-   GLuint x = 0;
-   GLuint y = 0;
-   GLuint width = mt->width0;
-   GLuint height = mt->height0;
-
-   mt->pitch = mt->width0;
-
-   /* May need to adjust pitch to accomodate the placement of
-    * the 2nd mipmap.  This occurs when the alignment
-    * constraints of mipmap placement push the right edge of the
-    * 2nd mipmap out past the width of its parent.
-    */
-   if (mt->first_level != mt->last_level) {
-      GLuint mip1_width = align(minify(mt->width0), align_w)
-			+ minify(minify(mt->width0));
-
-      if (mip1_width > mt->width0)
-	 mt->pitch = mip1_width;
-   }
-
-   /* Pitch must be a whole number of dwords, even though we
-    * express it in texels.
-    */
-   mt->pitch = align(mt->pitch * mt->cpp, 4) / mt->cpp;
-   mt->total_height = 0;
-
-   for ( level = mt->first_level ; level <= mt->last_level ; level++ ) {
-      GLuint img_height;
-
-      intel_miptree_set_level_info(mt, level, 1, x, y, width, height, 1);
-
-      if (mt->compressed)
-	 img_height = MAX2(1, height/4);
-      else
-	 img_height = align(height, align_h);
-
-
-      /* Because the images are packed better, the final offset
-       * might not be the maximal one:
-       */
-      mt->total_height = MAX2(mt->total_height, y + img_height);
-
-      /* Layout_below: step right after second mipmap.
-       */
-      if (level == mt->first_level + 1) {
-	 x += align(width, align_w);
-      }
-      else {
-	 y += img_height;
-      }
-
-      width  = minify(width);
-      height = minify(height);
-   }
-}
-
-
-static const GLint initial_offsets[6][2] = {
-   {0, 0},
-   {0, 2},
-   {1, 0},
-   {1, 2},
-   {1, 1},
-   {1, 3}
-};
-
-static const GLint step_offsets[6][2] = {
-   {0, 2},
-   {0, 2},
-   {-1, 2},
-   {-1, 2},
-   {-1, 1},
-   {-1, 1}
-};
-
-
-GLboolean
-i915_miptree_layout(struct pipe_context *pipe, struct pipe_mipmap_tree * mt)
-{
-   GLint level;
-
-   switch (mt->target) {
-   case GL_TEXTURE_CUBE_MAP:{
-         const GLuint dim = mt->width0;
-         GLuint face;
-         GLuint lvlWidth = mt->width0, lvlHeight = mt->height0;
-
-         assert(lvlWidth == lvlHeight); /* cubemap images are square */
-
-         /* double pitch for cube layouts */
-         mt->pitch = ((dim * mt->cpp * 2 + 3) & ~3) / mt->cpp;
-         mt->total_height = dim * 4;
-
-         for (level = mt->first_level; level <= mt->last_level; level++) {
-            intel_miptree_set_level_info(mt, level, 6,
-                                         0, 0,
-                                         /*OLD: mt->pitch, mt->total_height,*/
-                                         lvlWidth, lvlHeight,
-                                         1);
-            lvlWidth /= 2;
-            lvlHeight /= 2;
-         }
-
-         for (face = 0; face < 6; face++) {
-            GLuint x = initial_offsets[face][0] * dim;
-            GLuint y = initial_offsets[face][1] * dim;
-            GLuint d = dim;
-
-            for (level = mt->first_level; level <= mt->last_level; level++) {
-               intel_miptree_set_image_offset(mt, level, face, x, y);
-
-               if (d == 0)
-                  _mesa_printf("cube mipmap %d/%d (%d..%d) is 0x0\n",
-                               face, level, mt->first_level, mt->last_level);
-
-               d >>= 1;
-               x += step_offsets[face][0] * d;
-               y += step_offsets[face][1] * d;
-            }
-         }
-         break;
-      }
-   case GL_TEXTURE_3D:{
-         GLuint width = mt->width0;
-         GLuint height = mt->height0;
-         GLuint depth = mt->depth0;
-         GLuint stack_height = 0;
-
-         /* Calculate the size of a single slice. 
-          */
-         mt->pitch = ((mt->width0 * mt->cpp + 3) & ~3) / mt->cpp;
-
-         /* XXX: hardware expects/requires 9 levels at minimum.
-          */
-         for (level = mt->first_level; level <= MAX2(8, mt->last_level);
-              level++) {
-            intel_miptree_set_level_info(mt, level, depth, 0, mt->total_height,
-                                         width, height, depth);
-
-
-            stack_height += MAX2(2, height);
-
-            width = minify(width);
-            height = minify(height);
-            depth = minify(depth);
-         }
-
-         /* Fixup depth image_offsets: 
-          */
-         depth = mt->depth0;
-         for (level = mt->first_level; level <= mt->last_level; level++) {
-            GLuint i;
-            for (i = 0; i < depth; i++) 
-               intel_miptree_set_image_offset(mt, level, i,
-                                              0, i * stack_height);
-
-            depth = minify(depth);
-         }
-
-
-         /* Multiply slice size by texture depth for total size.  It's
-          * remarkable how wasteful of memory the i915 texture layouts
-          * are.  They are largely fixed in the i945.
-          */
-         mt->total_height = stack_height * mt->depth0;
-         break;
-      }
-
-   default:{
-         GLuint width = mt->width0;
-         GLuint height = mt->height0;
-	 GLuint img_height;
-
-         mt->pitch = ((mt->width0 * mt->cpp + 3) & ~3) / mt->cpp;
-         mt->total_height = 0;
-
-         for (level = mt->first_level; level <= mt->last_level; level++) {
-            intel_miptree_set_level_info(mt, level, 1,
-                                         0, mt->total_height,
-                                         width, height, 1);
-
-            if (mt->compressed)
-               img_height = MAX2(1, height / 4);
-            else
-               img_height = (MAX2(2, height) + 1) & ~1;
-
-	    mt->total_height += img_height;
-
-            width = minify(width);
-            height = minify(height);
-         }
-         break;
-      }
-   }
-   /*
-   DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__,
-       mt->pitch,
-       mt->total_height, mt->cpp, mt->pitch * mt->total_height * mt->cpp);
-   */
-
-   return GL_TRUE;
-}
-
-
-GLboolean
-i945_miptree_layout(struct pipe_context *pipe, struct pipe_mipmap_tree * mt)
-{
-   GLint level;
-
-   switch (mt->target) {
-   case GL_TEXTURE_CUBE_MAP:{
-         const GLuint dim = mt->width0;
-         GLuint face;
-         GLuint lvlWidth = mt->width0, lvlHeight = mt->height0;
-
-         assert(lvlWidth == lvlHeight); /* cubemap images are square */
-
-         /* Depending on the size of the largest images, pitch can be
-          * determined either by the old-style packing of cubemap faces,
-          * or the final row of 4x4, 2x2 and 1x1 faces below this. 
-          */
-         if (dim > 32)
-            mt->pitch = ((dim * mt->cpp * 2 + 3) & ~3) / mt->cpp;
-         else
-            mt->pitch = 14 * 8;
-
-         mt->total_height = dim * 4 + 4;
-
-         /* Set all the levels to effectively occupy the whole rectangular region. 
-          */
-         for (level = mt->first_level; level <= mt->last_level; level++) {
-            intel_miptree_set_level_info(mt, level, 6,
-                                         0, 0,
-                                         lvlWidth, lvlHeight, 1);
-	    lvlWidth /= 2;
-	    lvlHeight /= 2;
-	 }
-
-
-         for (face = 0; face < 6; face++) {
-            GLuint x = initial_offsets[face][0] * dim;
-            GLuint y = initial_offsets[face][1] * dim;
-            GLuint d = dim;
-
-            if (dim == 4 && face >= 4) {
-               y = mt->total_height - 4;
-               x = (face - 4) * 8;
-            }
-            else if (dim < 4 && (face > 0 || mt->first_level > 0)) {
-               y = mt->total_height - 4;
-               x = face * 8;
-            }
-
-            for (level = mt->first_level; level <= mt->last_level; level++) {
-               intel_miptree_set_image_offset(mt, level, face, x, y);
-
-               d >>= 1;
-
-               switch (d) {
-               case 4:
-                  switch (face) {
-                  case FACE_POS_X:
-                  case FACE_NEG_X:
-                     x += step_offsets[face][0] * d;
-                     y += step_offsets[face][1] * d;
-                     break;
-                  case FACE_POS_Y:
-                  case FACE_NEG_Y:
-                     y += 12;
-                     x -= 8;
-                     break;
-                  case FACE_POS_Z:
-                  case FACE_NEG_Z:
-                     y = mt->total_height - 4;
-                     x = (face - 4) * 8;
-                     break;
-                  }
-
-               case 2:
-                  y = mt->total_height - 4;
-                  x = 16 + face * 8;
-                  break;
-
-               case 1:
-                  x += 48;
-                  break;
-
-               default:
-                  x += step_offsets[face][0] * d;
-                  y += step_offsets[face][1] * d;
-                  break;
-               }
-            }
-         }
-         break;
-      }
-   case GL_TEXTURE_3D:{
-         GLuint width = mt->width0;
-         GLuint height = mt->height0;
-         GLuint depth = mt->depth0;
-         GLuint pack_x_pitch, pack_x_nr;
-         GLuint pack_y_pitch;
-         GLuint level;
-
-         mt->pitch = ((mt->width0 * mt->cpp + 3) & ~3) / mt->cpp;
-         mt->total_height = 0;
-
-         pack_y_pitch = MAX2(mt->height0, 2);
-         pack_x_pitch = mt->pitch;
-         pack_x_nr = 1;
-
-         for (level = mt->first_level; level <= mt->last_level; level++) {
-            GLuint nr_images = mt->target == GL_TEXTURE_3D ? depth : 6;
-            GLint x = 0;
-            GLint y = 0;
-            GLint q, j;
-
-            intel_miptree_set_level_info(mt, level, nr_images,
-                                         0, mt->total_height,
-                                         width, height, depth);
-
-            for (q = 0; q < nr_images;) {
-               for (j = 0; j < pack_x_nr && q < nr_images; j++, q++) {
-                  intel_miptree_set_image_offset(mt, level, q, x, y);
-                  x += pack_x_pitch;
-               }
-
-               x = 0;
-               y += pack_y_pitch;
-            }
-
-
-            mt->total_height += y;
-
-            if (pack_x_pitch > 4) {
-               pack_x_pitch >>= 1;
-               pack_x_nr <<= 1;
-               assert(pack_x_pitch * pack_x_nr <= mt->pitch);
-            }
-
-            if (pack_y_pitch > 2) {
-               pack_y_pitch >>= 1;
-            }
-
-            width = minify(width);
-            height = minify(height);
-            depth = minify(depth);
-         }
-         break;
-      }
-
-   case GL_TEXTURE_1D:
-   case GL_TEXTURE_2D:
-   case GL_TEXTURE_RECTANGLE_ARB:
-         i945_miptree_layout_2d(mt);
-         break;
-   default:
-      _mesa_problem(NULL, "Unexpected tex target in i945_miptree_layout()");
-   }
-
-   /*
-   DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__,
-       mt->pitch,
-       mt->total_height, mt->cpp, mt->pitch * mt->total_height * mt->cpp);
-   */
-
-   return GL_TRUE;
-}
-
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_tex_layout.h b/src/mesa/drivers/dri/intel_winsys/intel_tex_layout.h
deleted file mode 100644
index 83913b89cbe..00000000000
--- a/src/mesa/drivers/dri/intel_winsys/intel_tex_layout.h
+++ /dev/null
@@ -1,16 +0,0 @@
-
-#ifndef INTEL_TEX_LAYOUT_H
-#define INTEL_TEX_LAYOUT_H
-
-struct pipe_context;
-struct pipe_mipmap_tree;
-
-
-extern GLboolean
-i915_miptree_layout(struct pipe_context *, struct pipe_mipmap_tree *);
-
-extern GLboolean
-i945_miptree_layout(struct pipe_context *, struct pipe_mipmap_tree *);
-
-
-#endif /* INTEL_TEX_LAYOUT_H */
diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c
index 3ae56c8b0b6..d8d35af15e2 100644
--- a/src/mesa/main/imports.c
+++ b/src/mesa/main/imports.c
@@ -902,12 +902,10 @@ _mesa_sprintf( char *str, const char *fmt, ... )
 void
 _mesa_printf( const char *fmtString, ... )
 {
-   char s[MAXSTRING];
    va_list args;
    va_start( args, fmtString );  
-   vsnprintf(s, MAXSTRING, fmtString, args);
+   vfprintf(stderr, fmtString, args);
    va_end( args );
-   fprintf(stderr,"%s", s);
 }
 
 /** Wrapper around vsprintf() */
diff --git a/src/mesa/pipe/i915simple/Makefile b/src/mesa/pipe/i915simple/Makefile
index 96e16a948f8..5b919e3bed6 100644
--- a/src/mesa/pipe/i915simple/Makefile
+++ b/src/mesa/pipe/i915simple/Makefile
@@ -21,6 +21,7 @@ DRIVER_SOURCES = \
 	i915_state_emit.c \
 	i915_state_fragprog.c \
 	i915_prim_emit.c \
+	i915_tex_layout.c \
 	i915_surface.c 
 
 C_SOURCES = \
diff --git a/src/mesa/pipe/i915simple/i915_context.c b/src/mesa/pipe/i915simple/i915_context.c
index a15d3505d77..d8e54f02ee8 100644
--- a/src/mesa/pipe/i915simple/i915_context.c
+++ b/src/mesa/pipe/i915simple/i915_context.c
@@ -29,6 +29,7 @@
 #include "i915_context.h"
 #include "i915_winsys.h"
 #include "i915_state.h"
+#include "i915_tex_layout.h"
 
 #include "pipe/draw/draw_context.h"
 #include "pipe/p_defines.h"
@@ -207,6 +208,12 @@ struct pipe_context *i915_create( struct i915_winsys *winsys,
    i915_init_flush_functions(i915);
 
 
+   if (i915->flags.is_i945)
+      i915->pipe.mipmap_tree_layout = i945_miptree_layout;
+   else
+      i915->pipe.mipmap_tree_layout = i945_miptree_layout;
+
+
    i915->dirty = ~0;
    i915->hardware_dirty = ~0;