Put back the old versions of intel_tex_layout.* in this shared directory.

Unbreak the original i915, i915tex drivers.  We will have our own
version of this functionality in the pipe driver and not attempt to share
with the older code.

2 files changed, 42 insertions, 391 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_tex_layout.c b/src/mesa/drivers/dri/intel/intel_tex_layout.c
index 882d9e04a2..fcb5cc3906 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_layout.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_layout.c
@@ -30,78 +30,17 @@
   *   Michel Dänzer <michel@tungstengraphics.com>
   */
 
-#include "macros.h"
-#include "pipe/p_state.h"
-#include "pipe/p_context.h"
+#include "intel_mipmap_tree.h"
 #include "intel_tex_layout.h"
-#include "state_tracker/st_mipmap_tree.h"
-
+#include "macros.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 )
+void i945_miptree_layout_2d( struct intel_mipmap_tree *mt )
 {
    GLint align_h = 2, align_w = 4;
    GLuint level;
@@ -134,7 +73,8 @@ i945_miptree_layout_2d( struct pipe_mipmap_tree *mt )
    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);
+      intel_miptree_set_level_info(mt, level, 1, x, y, width, 
+				   height, 1);
 
       if (mt->compressed)
 	 img_height = MAX2(1, height/4);
@@ -160,317 +100,3 @@ i945_miptree_layout_2d( struct pipe_mipmap_tree *mt )
       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/intel_tex_layout.h b/src/mesa/drivers/dri/intel/intel_tex_layout.h
index 83913b89cb..1e37f8f525 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_layout.h
+++ b/src/mesa/drivers/dri/intel/intel_tex_layout.h
@@ -1,16 +1,41 @@
+/**************************************************************************
+ * 
+ * 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 <keith@tungstengraphics.com>
+  *   Michel Dänzer <michel@tungstengraphics.com>
+  */
 
-#ifndef INTEL_TEX_LAYOUT_H
-#define INTEL_TEX_LAYOUT_H
+#include "macros.h"
 
-struct pipe_context;
-struct pipe_mipmap_tree;
 
+static GLuint minify( GLuint d )
+{
+   return MAX2(1, d>>1);
+}
 
-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 */
+extern void i945_miptree_layout_2d( struct intel_mipmap_tree *mt );