From 33dc14c707734df37fb02b7bcc278ddeb94036f1 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Wed, 21 Jan 2009 02:10:32 +1000
Subject: radeon/r200/r300: start to move to common miptree/texobj

---
 src/mesa/drivers/dri/r200/Makefile               |   5 +-
 src/mesa/drivers/dri/r300/Makefile               |   7 +-
 src/mesa/drivers/dri/r300/r300_cmdbuf.c          |   4 +-
 src/mesa/drivers/dri/r300/r300_context.c         |   1 -
 src/mesa/drivers/dri/r300/r300_context.h         |  42 +--
 src/mesa/drivers/dri/r300/r300_mipmap_tree.c     | 319 -----------------------
 src/mesa/drivers/dri/r300/r300_mipmap_tree.h     |  97 -------
 src/mesa/drivers/dri/r300/r300_state.c           |  18 +-
 src/mesa/drivers/dri/r300/r300_tex.c             |  68 ++---
 src/mesa/drivers/dri/r300/r300_texstate.c        | 100 +++----
 src/mesa/drivers/dri/radeon/common_context.h     |  30 ++-
 src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c | 319 +++++++++++++++++++++++
 src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h |  97 +++++++
 13 files changed, 547 insertions(+), 560 deletions(-)
 delete mode 100644 src/mesa/drivers/dri/r300/r300_mipmap_tree.c
 delete mode 100644 src/mesa/drivers/dri/r300/r300_mipmap_tree.h
 create mode 100644 src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
 create mode 100644 src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h

(limited to 'src/mesa/drivers/dri')

diff --git a/src/mesa/drivers/dri/r200/Makefile b/src/mesa/drivers/dri/r200/Makefile
index 6b90018a28..5f1cfc889e 100644
--- a/src/mesa/drivers/dri/r200/Makefile
+++ b/src/mesa/drivers/dri/r200/Makefile
@@ -32,6 +32,7 @@ DRIVER_SOURCES = r200_context.c \
 		 common_misc.c \
 		 radeon_bo_legacy.c \
 		 radeon_cs_legacy.c \
+		 radeon_mipmap_tree.c \
 		 $(EGL_SOURCES)
 
 C_SOURCES = $(COMMON_SOURCES) $(DRIVER_SOURCES)
@@ -62,7 +63,9 @@ COMMON_SYMLINKS = \
 	common_lock.h \
 	common_misc.h \
 	common_misc.c \
-	common_cmdbuf.h
+	common_cmdbuf.h \
+	radeon_mipmap_tree.c \
+	radeon_mipmap_tree.h
 
 DRI_LIB_DEPS += -ldrm_radeon
 
diff --git a/src/mesa/drivers/dri/r300/Makefile b/src/mesa/drivers/dri/r300/Makefile
index 942d76fcc8..ce425e1d61 100644
--- a/src/mesa/drivers/dri/r300/Makefile
+++ b/src/mesa/drivers/dri/r300/Makefile
@@ -35,10 +35,8 @@ DRIVER_SOURCES = \
 		 r300_cmdbuf.c \
 		 r300_state.c \
 		 r300_render.c \
-		 r300_texmem.c \
 		 r300_tex.c \
 		 r300_texstate.c \
-		 r300_mipmap_tree.c \
 		 radeon_program.c \
 		 radeon_program_alu.c \
 		 radeon_program_pair.c \
@@ -52,6 +50,7 @@ DRIVER_SOURCES = \
 		 r300_shader.c \
 		 r300_emit.c \
 		 r300_swtcl.c \
+		 radeon_mipmap_tree.c \
 		 $(EGL_SOURCES)
 
 C_SOURCES = $(COMMON_SOURCES) $(DRIVER_SOURCES)
@@ -84,7 +83,9 @@ COMMON_SYMLINKS = \
 	common_lock.h \
 	common_misc.c \
 	common_misc.h \
-	common_cmdbuf.h
+	common_cmdbuf.h \
+	radeon_mipmap_tree.c \
+	radeon_mipmap_tree.h
 
 DRI_LIB_DEPS += -ldrm_radeon
 
diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index 30314d454f..04bb76bb30 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -52,7 +52,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "r300_reg.h"
 #include "r300_cmdbuf.h"
 #include "r300_emit.h"
-#include "r300_mipmap_tree.h"
+#include "radeon_mipmap_tree.h"
 #include "r300_state.h"
 #include "radeon_cs_legacy.h"
 #include "radeon_cs_gem.h"
@@ -271,7 +271,7 @@ static void emit_tex_offsets(GLcontext *ctx, struct radeon_state_atom * atom)
 		for(i = 0; i < numtmus; ++i) {
 		    BEGIN_BATCH(2);
     		OUT_BATCH_REGSEQ(R300_TX_OFFSET_0 + (i * 4), 1);
-			r300TexObj *t = r300->hw.textures[i];
+			radeonTexObj *t = r300->hw.textures[i];
 			if (t && !t->image_override) {
 				OUT_BATCH_RELOC(t->tile_bits, t->mt->bo, 0,
                                 RADEON_GEM_DOMAIN_VRAM, 0, 0);
diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 798f1f58c9..e84d0acd6d 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -59,7 +59,6 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "radeon_span.h"
 #include "r300_context.h"
 #include "r300_cmdbuf.h"
-#include "r300_mipmap_tree.h"
 #include "r300_state.h"
 #include "r300_ioctl.h"
 #include "r300_tex.h"
diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h
index 477756774d..1c228b42ef 100644
--- a/src/mesa/drivers/dri/r300/r300_context.h
+++ b/src/mesa/drivers/dri/r300/r300_context.h
@@ -81,7 +81,6 @@ typedef struct r300_context *r300ContextPtr;
 
 
 /* Texture related */
-typedef struct r300_tex_obj r300TexObj, *r300TexObjPtr;
 typedef struct _r300_texture_image r300_texture_image;
 
 
@@ -96,8 +95,8 @@ struct _r300_texture_image {
 	 * If mt == 0, the image is stored in normal memory pointed to
 	 * by base.Data.
 	 */
-	struct _r300_mipmap_tree *mt;
-    struct radeon_bo *bo;
+	struct _radeon_mipmap_tree *mt;
+	struct radeon_bo *bo;
 
 	int mtlevel; /** if mt != 0, this is the image's level in the mipmap tree */
 	int mtface; /** if mt != 0, this is the image's face in the mipmap tree */
@@ -108,41 +107,6 @@ static INLINE r300_texture_image *get_r300_texture_image(struct gl_texture_image
 	return (r300_texture_image*)image;
 }
 
-
-/* Texture object in locally shared texture space.
- */
-struct r300_tex_obj {
-	struct gl_texture_object base;
-	struct _r300_mipmap_tree *mt;
-
-	/**
-	 * This is true if we've verified that the mipmap tree above is complete
-	 * and so on.
-	 */
-	GLboolean validated;
-
-	GLboolean image_override;	/* Image overridden by GLX_EXT_tfp */
-	GLuint override_offset;
-
-	/* hardware register values */
-	/* Note that R200 has 8 registers per texture and R300 only 7 */
-	GLuint filter;
-	GLuint filter_1;
-	GLuint pitch_reg;
-	GLuint size;		/* npot only */
-	GLuint format;
-	GLuint pp_border_color;
-	/* end hardware registers */
-
-	GLuint tile_bits;	/* hw texture tile bits used on this texture */
-    struct radeon_bo *bo;
-};
-
-static INLINE r300TexObj* r300_tex_obj(struct gl_texture_object *texObj)
-{
-	return (r300TexObj*)texObj;
-}
-
 /* The blit width for texture uploads
  */
 #define R300_BLIT_WIDTH_BYTES 1024
@@ -459,7 +423,7 @@ struct r300_hw_state {
 	} tex;
 	struct radeon_state_atom txe;	/* tex enable (4104) */
 
-	r300TexObj *textures[R300_MAX_TEXTURE_UNITS];
+	radeonTexObj *textures[R300_MAX_TEXTURE_UNITS];
 };
 
 /**
diff --git a/src/mesa/drivers/dri/r300/r300_mipmap_tree.c b/src/mesa/drivers/dri/r300/r300_mipmap_tree.c
deleted file mode 100644
index 097f9cdfec..0000000000
--- a/src/mesa/drivers/dri/r300/r300_mipmap_tree.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/*
- * Copyright (C) 2008 Nicolai Haehnle.
- *
- * 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, sublicense, 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 NONINFRINGEMENT.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
- *
- */
-
-#include "r300_mipmap_tree.h"
-
-#include <errno.h>
-#include <unistd.h>
-
-#include "main/simple_list.h"
-#include "main/texcompress.h"
-#include "main/texformat.h"
-
-#include "radeon_buffer.h"
-
-static GLuint r300_compressed_texture_size(GLcontext *ctx,
-		GLsizei width, GLsizei height, GLsizei depth,
-		GLuint mesaFormat)
-{
-	GLuint size = _mesa_compressed_texture_size(ctx, width, height, depth, mesaFormat);
-
-	if (mesaFormat == MESA_FORMAT_RGB_DXT1 ||
-	    mesaFormat == MESA_FORMAT_RGBA_DXT1) {
-		if (width + 3 < 8)	/* width one block */
-			size = size * 4;
-		else if (width + 3 < 16)
-			size = size * 2;
-	} else {
-		/* DXT3/5, 16 bytes per block */
-		WARN_ONCE("DXT 3/5 suffers from multitexturing problems!\n");
-		if (width + 3 < 8)
-			size = size * 2;
-	}
-
-	return size;
-}
-
-/**
- * Compute sizes and fill in offset and blit information for the given
- * image (determined by \p face and \p level).
- *
- * \param curOffset points to the offset at which the image is to be stored
- * and is updated by this function according to the size of the image.
- */
-static void compute_tex_image_offset(r300_mipmap_tree *mt,
-	GLuint face, GLuint level, GLuint* curOffset)
-{
-	r300_mipmap_level *lvl = &mt->levels[level];
-
-	/* Find image size in bytes */
-	if (mt->compressed) {
-		/* TODO: Is this correct? Need test cases for compressed textures! */
-		GLuint align;
-
-		if (mt->target == GL_TEXTURE_RECTANGLE_NV)
-			align = 64 / mt->bpp;
-		else
-			align = 32 / mt->bpp;
-		lvl->rowstride = (lvl->width + align - 1) & ~(align - 1);
-		lvl->size = r300_compressed_texture_size(mt->r300->radeon.glCtx,
-			lvl->width, lvl->height, lvl->depth, mt->compressed);
-	} else if (mt->target == GL_TEXTURE_RECTANGLE_NV) {
-		lvl->rowstride = (lvl->width * mt->bpp + 63) & ~63;
-		lvl->size = lvl->rowstride * lvl->height;
-	} else if (mt->tilebits & R300_TXO_MICRO_TILE) {
-		/* tile pattern is 16 bytes x2. mipmaps stay 32 byte aligned,
-		 * though the actual offset may be different (if texture is less than
-		 * 32 bytes width) to the untiled case */
-		lvl->rowstride = (lvl->width * mt->bpp * 2 + 31) & ~31;
-		lvl->size = lvl->rowstride * ((lvl->height + 1) / 2) * lvl->depth;
-	} else {
-		lvl->rowstride = (lvl->width * mt->bpp + 31) & ~31;
-		lvl->size = lvl->rowstride * lvl->height * lvl->depth;
-	}
-	assert(lvl->size > 0);
-
-	/* All images are aligned to a 32-byte offset */
-	*curOffset = (*curOffset + 0x1f) & ~0x1f;
-	lvl->faces[face].offset = *curOffset;
-	*curOffset += lvl->size;
-}
-
-static GLuint minify(GLuint size, GLuint levels)
-{
-	size = size >> levels;
-	if (size < 1)
-		size = 1;
-	return size;
-}
-
-static void calculate_miptree_layout(r300_mipmap_tree *mt)
-{
-	GLuint curOffset;
-	GLuint numLevels;
-	GLuint i;
-
-	numLevels = mt->lastLevel - mt->firstLevel + 1;
-	assert(numLevels <= RADEON_MAX_TEXTURE_LEVELS);
-
-	curOffset = 0;
-	for(i = 0; i < numLevels; i++) {
-		GLuint face;
-
-		mt->levels[i].width = minify(mt->width0, i);
-		mt->levels[i].height = minify(mt->height0, i);
-		mt->levels[i].depth = minify(mt->depth0, i);
-
-		for(face = 0; face < mt->faces; face++)
-			compute_tex_image_offset(mt, face, i, &curOffset);
-	}
-
-	/* Note the required size in memory */
-	mt->totalsize = (curOffset + RADEON_OFFSET_MASK) & ~RADEON_OFFSET_MASK;
-}
-
-
-/**
- * Create a new mipmap tree, calculate its layout and allocate memory.
- */
-r300_mipmap_tree* r300_miptree_create(r300ContextPtr rmesa, r300TexObj *t,
-		GLenum target, GLuint firstLevel, GLuint lastLevel,
-		GLuint width0, GLuint height0, GLuint depth0,
-		GLuint bpp, GLuint tilebits, GLuint compressed)
-{
-	r300_mipmap_tree *mt = CALLOC_STRUCT(_r300_mipmap_tree);
-
-	mt->r300 = rmesa;
-	mt->refcount = 1;
-	mt->t = t;
-	mt->target = target;
-	mt->faces = (target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
-	mt->firstLevel = firstLevel;
-	mt->lastLevel = lastLevel;
-	mt->width0 = width0;
-	mt->height0 = height0;
-	mt->depth0 = depth0;
-	mt->bpp = bpp;
-	mt->tilebits = tilebits;
-	mt->compressed = compressed;
-
-	calculate_miptree_layout(mt);
-
-	mt->bo = radeon_bo_open(rmesa->radeon.radeonScreen->bom,
-                            0, mt->totalsize, 1024,
-                            RADEON_GEM_DOMAIN_VRAM,
-                            0);
-
-	return mt;
-}
-
-void r300_miptree_reference(r300_mipmap_tree *mt)
-{
-	mt->refcount++;
-	assert(mt->refcount > 0);
-}
-
-void r300_miptree_unreference(r300_mipmap_tree *mt)
-{
-	if (!mt)
-		return;
-
-	assert(mt->refcount > 0);
-	mt->refcount--;
-	if (!mt->refcount) {
-		radeon_bo_unref(mt->bo);
-		free(mt);
-	}
-}
-
-
-static void calculate_first_last_level(struct gl_texture_object *tObj,
-				       GLuint *pfirstLevel, GLuint *plastLevel)
-{
-	const struct gl_texture_image * const baseImage =
-		tObj->Image[0][tObj->BaseLevel];
-
-	/* These must be signed values.  MinLod and MaxLod can be negative numbers,
-	* and having firstLevel and lastLevel as signed prevents the need for
-	* extra sign checks.
-	*/
-	int   firstLevel;
-	int   lastLevel;
-
-	/* Yes, this looks overly complicated, but it's all needed.
-	*/
-	switch (tObj->Target) {
-	case GL_TEXTURE_1D:
-	case GL_TEXTURE_2D:
-	case GL_TEXTURE_3D:
-	case GL_TEXTURE_CUBE_MAP:
-		if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) {
-			/* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL.
-			*/
-			firstLevel = lastLevel = tObj->BaseLevel;
-		} else {
-			firstLevel = tObj->BaseLevel + (GLint)(tObj->MinLod + 0.5);
-			firstLevel = MAX2(firstLevel, tObj->BaseLevel);
-			firstLevel = MIN2(firstLevel, tObj->BaseLevel + baseImage->MaxLog2);
-			lastLevel = tObj->BaseLevel + (GLint)(tObj->MaxLod + 0.5);
-			lastLevel = MAX2(lastLevel, tObj->BaseLevel);
-			lastLevel = MIN2(lastLevel, tObj->BaseLevel + baseImage->MaxLog2);
-			lastLevel = MIN2(lastLevel, tObj->MaxLevel);
-			lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */
-		}
-		break;
-	case GL_TEXTURE_RECTANGLE_NV:
-	case GL_TEXTURE_4D_SGIS:
-		firstLevel = lastLevel = 0;
-		break;
-	default:
-		return;
-	}
-
-	/* save these values */
-	*pfirstLevel = firstLevel;
-	*plastLevel = lastLevel;
-}
-
-
-/**
- * Checks whether the given miptree can hold the given texture image at the
- * given face and level.
- */
-GLboolean r300_miptree_matches_image(r300_mipmap_tree *mt,
-		struct gl_texture_image *texImage, GLuint face, GLuint level)
-{
-	r300_mipmap_level *lvl;
-
-	if (face >= mt->faces || level < mt->firstLevel || level > mt->lastLevel)
-		return GL_FALSE;
-
-	if (texImage->TexFormat->TexelBytes != mt->bpp)
-		return GL_FALSE;
-
-	lvl = &mt->levels[level - mt->firstLevel];
-	if (lvl->width != texImage->Width ||
-	    lvl->height != texImage->Height ||
-	    lvl->depth != texImage->Depth)
-		return GL_FALSE;
-
-	return GL_TRUE;
-}
-
-
-/**
- * Checks whether the given miptree has the right format to store the given texture object.
- */
-GLboolean r300_miptree_matches_texture(r300_mipmap_tree *mt, struct gl_texture_object *texObj)
-{
-	struct gl_texture_image *firstImage;
-	GLuint compressed;
-	GLuint numfaces = 1;
-	GLuint firstLevel, lastLevel;
-
-	calculate_first_last_level(texObj, &firstLevel, &lastLevel);
-	if (texObj->Target == GL_TEXTURE_CUBE_MAP)
-		numfaces = 6;
-
-	firstImage = texObj->Image[0][firstLevel];
-	compressed = firstImage->IsCompressed ? firstImage->TexFormat->MesaFormat : 0;
-
-	return (mt->firstLevel == firstLevel &&
-	        mt->lastLevel == lastLevel &&
-	        mt->width0 == firstImage->Width &&
-	        mt->height0 == firstImage->Height &&
-	        mt->depth0 == firstImage->Depth &&
-	        mt->bpp == firstImage->TexFormat->TexelBytes &&
-	        mt->compressed == compressed);
-}
-
-
-/**
- * Try to allocate a mipmap tree for the given texture that will fit the
- * given image in the given position.
- */
-void r300_try_alloc_miptree(r300ContextPtr rmesa, r300TexObj *t,
-		struct gl_texture_image *texImage, GLuint face, GLuint level)
-{
-	GLuint compressed = texImage->IsCompressed ? texImage->TexFormat->MesaFormat : 0;
-	GLuint numfaces = 1;
-	GLuint firstLevel, lastLevel;
-
-	assert(!t->mt);
-
-	calculate_first_last_level(&t->base, &firstLevel, &lastLevel);
-	if (t->base.Target == GL_TEXTURE_CUBE_MAP)
-		numfaces = 6;
-
-	if (level != firstLevel || face >= numfaces)
-		return;
-
-	t->mt = r300_miptree_create(rmesa, t, t->base.Target,
-		firstLevel, lastLevel,
-		texImage->Width, texImage->Height, texImage->Depth,
-		texImage->TexFormat->TexelBytes, t->tile_bits, compressed);
-}
diff --git a/src/mesa/drivers/dri/r300/r300_mipmap_tree.h b/src/mesa/drivers/dri/r300/r300_mipmap_tree.h
deleted file mode 100644
index aeb52dc135..0000000000
--- a/src/mesa/drivers/dri/r300/r300_mipmap_tree.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2008 Nicolai Haehnle.
- *
- * 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, sublicense, 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 NONINFRINGEMENT.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
- *
- */
-
-#ifndef __R300_MIPMAP_TREE_H_
-#define __R300_MIPMAP_TREE_H_
-
-#include "r300_context.h"
-
-typedef struct _r300_mipmap_tree r300_mipmap_tree;
-typedef struct _r300_mipmap_level r300_mipmap_level;
-typedef struct _r300_mipmap_image r300_mipmap_image;
-
-struct _r300_mipmap_image {
-	GLuint offset; /** Offset of this image from the start of mipmap tree buffer, in bytes */
-};
-
-struct _r300_mipmap_level {
-	GLuint width;
-	GLuint height;
-	GLuint depth;
-	GLuint size; /** Size of each image, in bytes */
-	GLuint rowstride; /** in bytes */
-	r300_mipmap_image faces[6];
-};
-
-
-/**
- * A mipmap tree contains texture images in the layout that the hardware
- * expects.
- *
- * The meta-data of mipmap trees is immutable, i.e. you cannot change the
- * layout on-the-fly; however, the texture contents (i.e. texels) can be
- * changed.
- */
-struct _r300_mipmap_tree {
-	r300ContextPtr r300;
-	r300TexObj *t;
-	struct radeon_bo *bo;
-	GLuint refcount;
-
-	GLuint totalsize; /** total size of the miptree, in bytes */
-
-	GLenum target; /** GL_TEXTURE_xxx */
-	GLuint faces; /** # of faces: 6 for cubemaps, 1 otherwise */
-	GLuint firstLevel; /** First mip level stored in this mipmap tree */
-	GLuint lastLevel; /** Last mip level stored in this mipmap tree */
-
-	GLuint width0; /** Width of firstLevel image */
-	GLuint height0; /** Height of firstLevel image */
-	GLuint depth0; /** Depth of firstLevel image */
-
-	GLuint bpp; /** Bytes per texel */
-	GLuint tilebits; /** R300_TXO_xxx_TILE */
-	GLuint compressed; /** MESA_FORMAT_xxx indicating a compressed format, or 0 if uncompressed */
-
-	r300_mipmap_level levels[RADEON_MAX_TEXTURE_LEVELS];
-};
-
-r300_mipmap_tree* r300_miptree_create(r300ContextPtr rmesa, r300TexObj *t,
-		GLenum target, GLuint firstLevel, GLuint lastLevel,
-		GLuint width0, GLuint height0, GLuint depth0,
-		GLuint bpp, GLuint tilebits, GLuint compressed);
-void r300_miptree_reference(r300_mipmap_tree *mt);
-void r300_miptree_unreference(r300_mipmap_tree *mt);
-
-GLboolean r300_miptree_matches_image(r300_mipmap_tree *mt,
-		struct gl_texture_image *texImage, GLuint face, GLuint level);
-GLboolean r300_miptree_matches_texture(r300_mipmap_tree *mt, struct gl_texture_object *texObj);
-void r300_try_alloc_miptree(r300ContextPtr rmesa, r300TexObj *t,
-		struct gl_texture_image *texImage, GLuint face, GLuint level);
-
-
-#endif /* __R300_MIPMAP_TREE_H_ */
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index b1048f3b0c..ea5d65542b 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -1444,7 +1444,7 @@ static GLuint translate_lod_bias(GLfloat bias)
 static void r300SetupTextures(GLcontext * ctx)
 {
 	int i, mtu;
-	struct r300_tex_obj *t;
+	struct radeon_tex_obj *t;
 	r300ContextPtr r300 = R300_CONTEXT(ctx);
 	int hw_tmu = 0;
 	int last_hw_tmu = -1;	/* -1 translates into no setup costs for fields */
@@ -1480,14 +1480,14 @@ static void r300SetupTextures(GLcontext * ctx)
 		if (ctx->Texture.Unit[i]._ReallyEnabled) {
 			tmu_mappings[i] = hw_tmu;
 
-			t = r300_tex_obj(ctx->Texture.Unit[i]._Current);
+			t = radeon_tex_obj(ctx->Texture.Unit[i]._Current);
 			if (!t)
 				continue;
 
-			if ((t->format & 0xffffff00) == 0xffffff00) {
+			if ((t->pp_txformat & 0xffffff00) == 0xffffff00) {
 				WARN_ONCE
 				    ("unknown texture format (entry %x) encountered. Help me !\n",
-				     t->format & 0xff);
+				     t->pp_txformat & 0xff);
 			}
 
 			if (RADEON_DEBUG & DEBUG_STATE)
@@ -1498,21 +1498,21 @@ static void r300SetupTextures(GLcontext * ctx)
 
 			r300->hw.tex.filter.cmd[R300_TEX_VALUE_0 +
 						hw_tmu] =
-			    gen_fixed_filter(t->filter) | (hw_tmu << 28);
+			    gen_fixed_filter(t->pp_txfilter) | (hw_tmu << 28);
 			/* Note: There is a LOD bias per texture unit and a LOD bias
 			 * per texture object. We add them here to get the correct behaviour.
 			 * (The per-texture object LOD bias was introduced in OpenGL 1.4
 			 * and is not present in the EXT_texture_object extension).
 			 */
 			r300->hw.tex.filter_1.cmd[R300_TEX_VALUE_0 + hw_tmu] =
-				t->filter_1 |
+				t->pp_txfilter_1 |
 				translate_lod_bias(ctx->Texture.Unit[i].LodBias + t->base.LodBias);
 			r300->hw.tex.size.cmd[R300_TEX_VALUE_0 + hw_tmu] =
-			    t->size;
+			    t->pp_txsize;
 			r300->hw.tex.format.cmd[R300_TEX_VALUE_0 +
-						hw_tmu] = t->format;
+						hw_tmu] = t->pp_txformat;
 			r300->hw.tex.pitch.cmd[R300_TEX_VALUE_0 + hw_tmu] =
-			    t->pitch_reg;
+			  t->pp_txpitch;
 			r300->hw.textures[hw_tmu] = t;
 
 			if (t->tile_bits & R300_TXO_MACRO_TILE) {
diff --git a/src/mesa/drivers/dri/r300/r300_tex.c b/src/mesa/drivers/dri/r300/r300_tex.c
index 9ceac70f5e..e3b871c991 100644
--- a/src/mesa/drivers/dri/r300/r300_tex.c
+++ b/src/mesa/drivers/dri/r300/r300_tex.c
@@ -50,7 +50,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "r300_context.h"
 #include "r300_state.h"
 #include "r300_ioctl.h"
-#include "r300_mipmap_tree.h"
+#include "radeon_mipmap_tree.h"
 #include "r300_tex.h"
 
 #include "xmlpool.h"
@@ -79,20 +79,20 @@ static unsigned int translate_wrap_mode(GLenum wrapmode)
  *
  * \param t Texture object whose wrap modes are to be set
  */
-static void r300UpdateTexWrap(r300TexObjPtr t)
+static void r300UpdateTexWrap(radeonTexObjPtr t)
 {
 	struct gl_texture_object *tObj = &t->base;
 
-	t->filter &=
+	t->pp_txfilter &=
 	    ~(R300_TX_WRAP_S_MASK | R300_TX_WRAP_T_MASK | R300_TX_WRAP_R_MASK);
 
-	t->filter |= translate_wrap_mode(tObj->WrapS) << R300_TX_WRAP_S_SHIFT;
+	t->pp_txfilter |= translate_wrap_mode(tObj->WrapS) << R300_TX_WRAP_S_SHIFT;
 
 	if (tObj->Target != GL_TEXTURE_1D) {
-		t->filter |= translate_wrap_mode(tObj->WrapT) << R300_TX_WRAP_T_SHIFT;
+		t->pp_txfilter |= translate_wrap_mode(tObj->WrapT) << R300_TX_WRAP_T_SHIFT;
 
 		if (tObj->Target == GL_TEXTURE_3D)
-			t->filter |= translate_wrap_mode(tObj->WrapR) << R300_TX_WRAP_R_SHIFT;
+			t->pp_txfilter |= translate_wrap_mode(tObj->WrapR) << R300_TX_WRAP_R_SHIFT;
 	}
 }
 
@@ -119,13 +119,13 @@ static GLuint aniso_filter(GLfloat anisotropy)
  * \param magf Texture magnification mode
  * \param anisotropy Maximum anisotropy level
  */
-static void r300SetTexFilter(r300TexObjPtr t, GLenum minf, GLenum magf, GLfloat anisotropy)
+static void r300SetTexFilter(radeonTexObjPtr t, GLenum minf, GLenum magf, GLfloat anisotropy)
 {
 	/* Force revalidation to account for switches from/to mipmapping. */
 	t->validated = GL_FALSE;
 
-	t->filter &= ~(R300_TX_MIN_FILTER_MASK | R300_TX_MIN_FILTER_MIP_MASK | R300_TX_MAG_FILTER_MASK | R300_TX_MAX_ANISO_MASK);
-	t->filter_1 &= ~R300_EDGE_ANISO_EDGE_ONLY;
+	t->pp_txfilter &= ~(R300_TX_MIN_FILTER_MASK | R300_TX_MIN_FILTER_MIP_MASK | R300_TX_MAG_FILTER_MASK | R300_TX_MAX_ANISO_MASK);
+	t->pp_txfilter_1 &= ~R300_EDGE_ANISO_EDGE_ONLY;
 
 	/* Note that EXT_texture_filter_anisotropic is extremely vague about
 	 * how anisotropic filtering interacts with the "normal" filter modes.
@@ -133,7 +133,7 @@ static void r300SetTexFilter(r300TexObjPtr t, GLenum minf, GLenum magf, GLfloat
 	 * filter settings completely. This includes driconf's settings.
 	 */
 	if (anisotropy >= 2.0 && (minf != GL_NEAREST) && (magf != GL_NEAREST)) {
-		t->filter |= R300_TX_MAG_FILTER_ANISO
+		t->pp_txfilter |= R300_TX_MAG_FILTER_ANISO
 			| R300_TX_MIN_FILTER_ANISO
 			| R300_TX_MIN_FILTER_MIP_LINEAR
 			| aniso_filter(anisotropy);
@@ -144,22 +144,22 @@ static void r300SetTexFilter(r300TexObjPtr t, GLenum minf, GLenum magf, GLfloat
 
 	switch (minf) {
 	case GL_NEAREST:
-		t->filter |= R300_TX_MIN_FILTER_NEAREST;
+		t->pp_txfilter |= R300_TX_MIN_FILTER_NEAREST;
 		break;
 	case GL_LINEAR:
-		t->filter |= R300_TX_MIN_FILTER_LINEAR;
+		t->pp_txfilter |= R300_TX_MIN_FILTER_LINEAR;
 		break;
 	case GL_NEAREST_MIPMAP_NEAREST:
-		t->filter |= R300_TX_MIN_FILTER_NEAREST|R300_TX_MIN_FILTER_MIP_NEAREST;
+		t->pp_txfilter |= R300_TX_MIN_FILTER_NEAREST|R300_TX_MIN_FILTER_MIP_NEAREST;
 		break;
 	case GL_NEAREST_MIPMAP_LINEAR:
-		t->filter |= R300_TX_MIN_FILTER_NEAREST|R300_TX_MIN_FILTER_MIP_LINEAR;
+		t->pp_txfilter |= R300_TX_MIN_FILTER_NEAREST|R300_TX_MIN_FILTER_MIP_LINEAR;
 		break;
 	case GL_LINEAR_MIPMAP_NEAREST:
-		t->filter |= R300_TX_MIN_FILTER_LINEAR|R300_TX_MIN_FILTER_MIP_NEAREST;
+		t->pp_txfilter |= R300_TX_MIN_FILTER_LINEAR|R300_TX_MIN_FILTER_MIP_NEAREST;
 		break;
 	case GL_LINEAR_MIPMAP_LINEAR:
-		t->filter |= R300_TX_MIN_FILTER_LINEAR|R300_TX_MIN_FILTER_MIP_LINEAR;
+		t->pp_txfilter |= R300_TX_MIN_FILTER_LINEAR|R300_TX_MIN_FILTER_MIP_LINEAR;
 		break;
 	}
 
@@ -168,15 +168,15 @@ static void r300SetTexFilter(r300TexObjPtr t, GLenum minf, GLenum magf, GLfloat
 	 */
 	switch (magf) {
 	case GL_NEAREST:
-		t->filter |= R300_TX_MAG_FILTER_NEAREST;
+		t->pp_txfilter |= R300_TX_MAG_FILTER_NEAREST;
 		break;
 	case GL_LINEAR:
-		t->filter |= R300_TX_MAG_FILTER_LINEAR;
+		t->pp_txfilter |= R300_TX_MAG_FILTER_LINEAR;
 		break;
 	}
 }
 
-static void r300SetTexBorderColor(r300TexObjPtr t, GLubyte c[4])
+static void r300SetTexBorderColor(radeonTexObjPtr t, GLubyte c[4])
 {
 	t->pp_border_color = PACK_COLOR_8888(c[3], c[0], c[1], c[2]);
 }
@@ -423,7 +423,7 @@ static void r300FreeTexImageData(GLcontext *ctx, struct gl_texture_image *timage
 	r300_texture_image* image = get_r300_texture_image(timage);
 
 	if (image->mt) {
-		r300_miptree_unreference(image->mt);
+		radeon_miptree_unreference(image->mt);
 		image->mt = 0;
 		assert(!image->base.Data);
 	} else {
@@ -439,7 +439,7 @@ static void r300FreeTexImageData(GLcontext *ctx, struct gl_texture_image *timage
 /* Set Data pointer and additional data for mapped texture image */
 static void teximage_set_map_data(r300_texture_image *image)
 {
-	r300_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
+	radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 	image->base.Data = image->mt->bo->ptr + lvl->faces[image->mtface].offset;
 	image->base.RowStride = lvl->rowstride / image->mt->bpp;
 }
@@ -474,7 +474,7 @@ static void r300_teximage_unmap(r300_texture_image *image)
  */
 static void r300MapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
 {
-	r300TexObj* t = r300_tex_obj(texObj);
+	radeonTexObj* t = radeon_tex_obj(texObj);
 	int face, level;
 
 	assert(texObj->_Complete);
@@ -489,7 +489,7 @@ static void r300MapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
 
 static void r300UnmapTexture(GLcontext *ctx, struct gl_texture_object *texObj)
 {
-	r300TexObj* t = r300_tex_obj(texObj);
+	radeonTexObj* t = radeon_tex_obj(texObj);
 	int face, level;
 
 	assert(texObj->_Complete);
@@ -518,7 +518,7 @@ static void r300_teximage(
 	int compressed)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
-	r300TexObj* t = r300_tex_obj(texObj);
+	radeonTexObj* t = radeon_tex_obj(texObj);
 	r300_texture_image* image = get_r300_texture_image(texImage);
 
 	R300_FIREVERTICES(rmesa);
@@ -544,12 +544,12 @@ static void r300_teximage(
 	r300FreeTexImageData(ctx, texImage); /* Mesa core only clears texImage->Data but not image->mt */
 
 	if (!t->mt)
-		r300_try_alloc_miptree(rmesa, t, texImage, face, level);
-	if (t->mt && r300_miptree_matches_image(t->mt, texImage, face, level)) {
+		radeon_try_alloc_miptree(&rmesa->radeon, t, texImage, face, level);
+	if (t->mt && radeon_miptree_matches_image(t->mt, texImage, face, level)) {
 		image->mt = t->mt;
 		image->mtlevel = level - t->mt->firstLevel;
 		image->mtface = face;
-		r300_miptree_reference(t->mt);
+		radeon_miptree_reference(t->mt);
 	} else {
 		int size;
 		if (texImage->IsCompressed) {
@@ -578,7 +578,7 @@ static void r300_teximage(
 		} else {
 			GLuint dstRowStride;
 			if (image->mt) {
-				r300_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
+				radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 				dstRowStride = lvl->rowstride;
 			} else {
 				dstRowStride = texImage->Width * texImage->TexFormat->TexelBytes;
@@ -700,7 +700,7 @@ static void r300_texsubimage(GLcontext* ctx, int dims, int level,
 		r300_teximage_map(image, GL_TRUE);
 
 		if (image->mt) {
-			r300_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
+			radeon_mipmap_level *lvl = &image->mt->levels[image->mtlevel];
 			dstRowStride = lvl->rowstride;
 		} else {
 			dstRowStride = texImage->Width * texImage->TexFormat->TexelBytes;
@@ -806,7 +806,7 @@ static void r300TexParameter(GLcontext * ctx, GLenum target,
 			     struct gl_texture_object *texObj,
 			     GLenum pname, const GLfloat * params)
 {
-	r300TexObj* t = r300_tex_obj(texObj);
+	radeonTexObj* t = radeon_tex_obj(texObj);
 
 	if (RADEON_DEBUG & (DEBUG_STATE | DEBUG_TEXTURE)) {
 		fprintf(stderr, "%s( %s )\n", __FUNCTION__,
@@ -840,7 +840,7 @@ static void r300TexParameter(GLcontext * ctx, GLenum target,
 		 * to simulate a clamped LOD.
 		 */
 		if (t->mt) {
-			r300_miptree_unreference(t->mt);
+			radeon_miptree_unreference(t->mt);
 			t->mt = 0;
 			t->validated = GL_FALSE;
 		}
@@ -869,7 +869,7 @@ static void r300TexParameter(GLcontext * ctx, GLenum target,
 static void r300DeleteTexture(GLcontext * ctx, struct gl_texture_object *texObj)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
-	r300TexObj* t = r300_tex_obj(texObj);
+	radeonTexObj* t = radeon_tex_obj(texObj);
 
 	if (RADEON_DEBUG & (DEBUG_STATE | DEBUG_TEXTURE)) {
 		fprintf(stderr, "%s( %p (target = %s) )\n", __FUNCTION__,
@@ -887,7 +887,7 @@ static void r300DeleteTexture(GLcontext * ctx, struct gl_texture_object *texObj)
 	}
 
 	if (t->mt) {
-		r300_miptree_unreference(t->mt);
+		radeon_miptree_unreference(t->mt);
 		t->mt = 0;
 	}
 	_mesa_delete_texture_object(ctx, texObj);
@@ -905,7 +905,7 @@ static struct gl_texture_object *r300NewTextureObject(GLcontext * ctx,
 						      GLenum target)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
-	r300TexObj* t = CALLOC_STRUCT(r300_tex_obj);
+	radeonTexObj* t = CALLOC_STRUCT(radeon_tex_obj);
 
 
 	if (RADEON_DEBUG & (DEBUG_STATE | DEBUG_TEXTURE)) {
diff --git a/src/mesa/drivers/dri/r300/r300_texstate.c b/src/mesa/drivers/dri/r300/r300_texstate.c
index ed75bdd2c9..11c53d0270 100644
--- a/src/mesa/drivers/dri/r300/r300_texstate.c
+++ b/src/mesa/drivers/dri/r300/r300_texstate.c
@@ -48,7 +48,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "r300_state.h"
 #include "r300_ioctl.h"
 #include "radeon_ioctl.h"
-#include "r300_mipmap_tree.h"
+#include "radeon_mipmap_tree.h"
 #include "r300_tex.h"
 #include "r300_reg.h"
 #include "radeon_buffer.h"
@@ -145,12 +145,12 @@ void r300SetDepthTexMode(struct gl_texture_object *tObj)
 		},
 	};
 	const GLuint *format;
-	r300TexObjPtr t;
+	radeonTexObjPtr t;
 
 	if (!tObj)
 		return;
 
-	t = r300_tex_obj(tObj);
+	t = radeon_tex_obj(tObj);
 
 	switch (tObj->Image[0][tObj->BaseLevel]->TexFormat->MesaFormat) {
 	case MESA_FORMAT_Z16:
@@ -172,13 +172,13 @@ void r300SetDepthTexMode(struct gl_texture_object *tObj)
 
 	switch (tObj->DepthMode) {
 	case GL_LUMINANCE:
-		t->format = format[0];
+		t->pp_txformat = format[0];
 		break;
 	case GL_INTENSITY:
-		t->format = format[1];
+		t->pp_txformat = format[1];
 		break;
 	case GL_ALPHA:
-		t->format = format[2];
+		t->pp_txformat = format[2];
 		break;
 	default:
 		/* Error...which should have already been caught by higher
@@ -196,7 +196,7 @@ void r300SetDepthTexMode(struct gl_texture_object *tObj)
  * \param rmesa Context pointer
  * \param t the r300 texture object
  */
-static void setup_hardware_state(r300ContextPtr rmesa, r300TexObj *t)
+static void setup_hardware_state(r300ContextPtr rmesa, radeonTexObj *t)
 {
 	const struct gl_texture_image *firstImage =
 	    t->base.Image[0][t->mt->firstLevel];
@@ -206,10 +206,10 @@ static void setup_hardware_state(r300ContextPtr rmesa, r300TexObj *t)
 		if (firstImage->TexFormat->BaseFormat == GL_DEPTH_COMPONENT) {
 			r300SetDepthTexMode(&t->base);
 		} else {
-			t->format = tx_table[firstImage->TexFormat->MesaFormat].format;
+			t->pp_txformat = tx_table[firstImage->TexFormat->MesaFormat].format;
 		}
 
-		t->filter |= tx_table[firstImage->TexFormat->MesaFormat].filter;
+		t->pp_txfilter |= tx_table[firstImage->TexFormat->MesaFormat].filter;
 	} else if (!t->image_override) {
 		_mesa_problem(NULL, "unexpected texture format in %s",
 			      __FUNCTION__);
@@ -219,26 +219,26 @@ static void setup_hardware_state(r300ContextPtr rmesa, r300TexObj *t)
 	t->tile_bits = 0;
 
 	if (t->base.Target == GL_TEXTURE_CUBE_MAP)
-		t->format |= R300_TX_FORMAT_CUBIC_MAP;
+		t->pp_txformat |= R300_TX_FORMAT_CUBIC_MAP;
 	if (t->base.Target == GL_TEXTURE_3D)
-		t->format |= R300_TX_FORMAT_3D;
+		t->pp_txformat |= R300_TX_FORMAT_3D;
 
-	t->size = (((firstImage->Width - 1) << R300_TX_WIDTHMASK_SHIFT)
+	t->pp_txsize = (((firstImage->Width - 1) << R300_TX_WIDTHMASK_SHIFT)
 		| ((firstImage->Height - 1) << R300_TX_HEIGHTMASK_SHIFT))
 		| ((t->mt->lastLevel - t->mt->firstLevel) << R300_TX_MAX_MIP_LEVEL_SHIFT);
 
 	if (t->base.Target == GL_TEXTURE_RECTANGLE_NV) {
 		unsigned int align = (64 / t->mt->bpp) - 1;
-		t->size |= R300_TX_SIZE_TXPITCH_EN;
+		t->pp_txsize |= R300_TX_SIZE_TXPITCH_EN;
 		if (!t->image_override)
-			t->pitch_reg = ((firstImage->Width + align) & ~align) - 1;
+			t->pp_txpitch = ((firstImage->Width + align) & ~align) - 1;
 	}
 
 	if (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) {
 	    if (firstImage->Width > 2048)
-		t->pitch_reg |= R500_TXWIDTH_BIT11;
+		t->pp_txpitch |= R500_TXWIDTH_BIT11;
 	    if (firstImage->Height > 2048)
-		t->pitch_reg |= R500_TXHEIGHT_BIT11;
+		t->pp_txpitch |= R500_TXHEIGHT_BIT11;
 	}
 }
 
@@ -265,9 +265,9 @@ static void copy_rows(void* dst, GLuint dststride, const void* src, GLuint srcst
 /**
  * Ensure that the given image is stored in the given miptree from now on.
  */
-static void migrate_image_to_miptree(r300_mipmap_tree *mt, r300_texture_image *image, int face, int level)
+static void migrate_image_to_miptree(radeon_mipmap_tree *mt, r300_texture_image *image, int face, int level)
 {
-	r300_mipmap_level *dstlvl = &mt->levels[level - mt->firstLevel];
+	radeon_mipmap_level *dstlvl = &mt->levels[level - mt->firstLevel];
 	unsigned char *dest;
 
 	assert(image->mt != mt);
@@ -283,7 +283,7 @@ static void migrate_image_to_miptree(r300_mipmap_tree *mt, r300_texture_image *i
 		 * In fact, that memcpy() could be done by the hardware in many
 		 * cases, provided that we have a proper memory manager.
 		 */
-		r300_mipmap_level *srclvl = &image->mt->levels[image->mtlevel];
+		radeon_mipmap_level *srclvl = &image->mt->levels[image->mtlevel];
 
 		assert(srclvl->size == dstlvl->size);
 		assert(srclvl->rowstride == dstlvl->rowstride);
@@ -294,7 +294,7 @@ static void migrate_image_to_miptree(r300_mipmap_tree *mt, r300_texture_image *i
 			dstlvl->size);
 		radeon_bo_unmap(image->mt->bo);
 
-		r300_miptree_unreference(image->mt);
+		radeon_miptree_unreference(image->mt);
 	} else {
 		uint srcrowstride = image->base.Width * image->base.TexFormat->TexelBytes;
 
@@ -313,7 +313,7 @@ static void migrate_image_to_miptree(r300_mipmap_tree *mt, r300_texture_image *i
 	image->mt = mt;
 	image->mtface = face;
 	image->mtlevel = level;
-	r300_miptree_reference(image->mt);
+	radeon_miptree_reference(image->mt);
 }
 
 
@@ -325,7 +325,7 @@ static void migrate_image_to_miptree(r300_mipmap_tree *mt, r300_texture_image *i
 static GLboolean r300_validate_texture(GLcontext * ctx, struct gl_texture_object *texObj)
 {
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
-	r300TexObj *t = r300_tex_obj(texObj);
+	radeonTexObj *t = radeon_tex_obj(texObj);
 	r300_texture_image *baseimage = get_r300_texture_image(texObj->Image[0][texObj->BaseLevel]);
 	int face, level;
 
@@ -350,19 +350,19 @@ static GLboolean r300_validate_texture(GLcontext * ctx, struct gl_texture_object
 	 */
 	if (baseimage->mt &&
 	    baseimage->mt != t->mt &&
-	    r300_miptree_matches_texture(baseimage->mt, &t->base)) {
-		r300_miptree_unreference(t->mt);
+	    radeon_miptree_matches_texture(baseimage->mt, &t->base)) {
+		radeon_miptree_unreference(t->mt);
 		t->mt = baseimage->mt;
-		r300_miptree_reference(t->mt);
-	} else if (t->mt && !r300_miptree_matches_texture(t->mt, &t->base)) {
-		r300_miptree_unreference(t->mt);
+		radeon_miptree_reference(t->mt);
+	} else if (t->mt && !radeon_miptree_matches_texture(t->mt, &t->base)) {
+		radeon_miptree_unreference(t->mt);
 		t->mt = 0;
 	}
 
 	if (!t->mt) {
 		if (RADEON_DEBUG & DEBUG_TEXTURE)
 			fprintf(stderr, " Allocate new miptree\n");
-		r300_try_alloc_miptree(rmesa, t, &baseimage->base, 0, texObj->BaseLevel);
+		radeon_try_alloc_miptree(&rmesa->radeon, t, &baseimage->base, 0, texObj->BaseLevel);
 		if (!t->mt) {
 			_mesa_problem(ctx, "r300_validate_texture failed to alloc miptree");
 			return GL_FALSE;
@@ -421,7 +421,7 @@ void r300SetTexOffset(__DRIcontext * pDRICtx, GLint texname,
 	r300ContextPtr rmesa = pDRICtx->driverPrivate;
 	struct gl_texture_object *tObj =
 	    _mesa_lookup_texture(rmesa->radeon.glCtx, texname);
-	r300TexObjPtr t = r300_tex_obj(tObj);
+	radeonTexObjPtr t = radeon_tex_obj(tObj);
 	uint32_t pitch_val;
 
 	if (!tObj)
@@ -433,30 +433,30 @@ void r300SetTexOffset(__DRIcontext * pDRICtx, GLint texname,
 		return;
     t->bo = NULL;
 	t->override_offset = offset;
-	t->pitch_reg &= (1 << 13) -1;
+	t->pp_txpitch &= (1 << 13) -1;
 	pitch_val = pitch;
 
 	switch (depth) {
 	case 32:
-		t->format = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
-		t->filter |= tx_table[2].filter;
+		t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
+		t->pp_txfilter |= tx_table[2].filter;
 		pitch_val /= 4;
 		break;
 	case 24:
 	default:
-		t->format = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
-		t->filter |= tx_table[4].filter;
+		t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
+		t->pp_txfilter |= tx_table[4].filter;
 		pitch_val /= 4;
 		break;
 	case 16:
-		t->format = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
-		t->filter |= tx_table[5].filter;
+		t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
+		t->pp_txfilter |= tx_table[5].filter;
 		pitch_val /= 2;
 		break;
 	}
 	pitch_val--;
 
-	t->pitch_reg |= pitch_val;
+	t->pp_txpitch |= pitch_val;
 }
 
 void r300SetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
@@ -469,7 +469,7 @@ void r300SetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
 	radeonContextPtr radeon;
 	r300ContextPtr rmesa;
 	GLframebuffer *fb;
-	r300TexObjPtr t;
+	radeonTexObjPtr t;
 	uint32_t pitch_val;
 
 	target = GL_TEXTURE_RECTANGLE_ARB;
@@ -483,7 +483,7 @@ void r300SetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
         texImage = _mesa_get_tex_image(radeon->glCtx, texObj, target, 0);
 
 	rImage = get_r300_texture_image(texImage);
-	t = r300_tex_obj(texObj);
+	t = radeon_tex_obj(texObj);
         if (t == NULL) {
     	    return;
     	}
@@ -514,7 +514,7 @@ void r300SetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
         t->mt = NULL;
     }
     if (rImage->mt) {
-        r300_miptree_unreference(rImage->mt);
+        radeon_miptree_unreference(rImage->mt);
         rImage->mt = NULL;
     }
 	fprintf(stderr,"settexbuf %dx%d@%d\n", rb->width, rb->height, rb->cpp);
@@ -527,31 +527,31 @@ void r300SetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
     t->tile_bits = 0;
 	t->image_override = GL_TRUE;
 	t->override_offset = 0;
-	t->pitch_reg &= (1 << 13) -1;
+	t->pp_txpitch &= (1 << 13) -1;
 	pitch_val = rb->pitch;
 	switch (rb->cpp) {
 	case 4:
-		t->format = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
-		t->filter |= tx_table[2].filter;
+		t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
+		t->pp_txfilter |= tx_table[2].filter;
 		pitch_val /= 4;
 		break;
 	case 3:
 	default:
-		t->format = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
-		t->filter |= tx_table[4].filter;
+		t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
+		t->pp_txfilter |= tx_table[4].filter;
 		pitch_val /= 4;
 		break;
 	case 2:
-		t->format = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
-		t->filter |= tx_table[5].filter;
+		t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
+		t->pp_txfilter |= tx_table[5].filter;
 		pitch_val /= 2;
 		break;
 	}
 	pitch_val--;
-	t->size = ((rb->width - 1) << R300_TX_WIDTHMASK_SHIFT) |
+	t->pp_txsize = ((rb->width - 1) << R300_TX_WIDTHMASK_SHIFT) |
               ((rb->height - 1) << R300_TX_HEIGHTMASK_SHIFT);
-    t->size |= R300_TX_SIZE_TXPITCH_EN;
-	t->pitch_reg |= pitch_val;
+	t->pp_txsize |= R300_TX_SIZE_TXPITCH_EN;
+	t->pp_txpitch |= pitch_val;
 	t->validated = GL_TRUE;
     _mesa_unlock_texture(radeon->glCtx, texObj);
     return;
diff --git a/src/mesa/drivers/dri/radeon/common_context.h b/src/mesa/drivers/dri/radeon/common_context.h
index 22fb908fb4..462b072676 100644
--- a/src/mesa/drivers/dri/radeon/common_context.h
+++ b/src/mesa/drivers/dri/radeon/common_context.h
@@ -112,11 +112,25 @@ struct radeon_state_atom {
 
 typedef struct radeon_tex_obj radeonTexObj, *radeonTexObjPtr;
 
+#define RADEON_TXO_MICRO_TILE               (1 << 3)
+
 /* Texture object in locally shared texture space.
  */
-#ifndef RADEON_COMMON_FOR_R300
 struct radeon_tex_obj {
-	driTextureObject base;
+  //	driTextureObject base;
+	struct gl_texture_object base;
+	struct _radeon_mipmap_tree *mt;
+
+	/**
+	 * This is true if we've verified that the mipmap tree above is complete
+	 * and so on.
+	 */
+	GLboolean validated;
+
+	GLuint override_offset;
+	GLboolean image_override; /* Image overridden by GLX_EXT_tfp */
+	GLuint tile_bits;	/* hw texture tile bits used on this texture */
+        struct radeon_bo *bo;
 
 	GLuint bufAddr;		/* Offset to start of locally
 				   shared texture block */
@@ -131,7 +145,7 @@ struct radeon_tex_obj {
 	drm_radeon_tex_image_t image[6][RADEON_MAX_TEXTURE_LEVELS];
 	/* Six, for the cube faces */
 
-	GLboolean image_override; /* Image overridden by GLX_EXT_tfp */
+
 
 	GLuint pp_txfilter;	/* hardware register values */
 	GLuint pp_txformat;
@@ -143,11 +157,17 @@ struct radeon_tex_obj {
 	GLuint pp_border_color;
 	GLuint pp_cubic_faces;	/* cube face 1,2,3,4 log2 sizes */
 
+        GLuint pp_txfilter_1;	/*  r300 */
+
 	GLboolean border_fallback;
 
-	GLuint tile_bits;	/* hw texture tile bits used on this texture */
+
 };
-#endif
+
+static INLINE radeonTexObj* radeon_tex_obj(struct gl_texture_object *texObj)
+{
+	return (radeonTexObj*)texObj;
+}
 
 /* Need refcounting on dma buffers:
  */
diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
new file mode 100644
index 0000000000..955d4b71ed
--- /dev/null
+++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
@@ -0,0 +1,319 @@
+/*
+ * Copyright (C) 2008 Nicolai Haehnle.
+ *
+ * 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, sublicense, 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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
+ *
+ */
+
+#include "radeon_mipmap_tree.h"
+
+#include <errno.h>
+#include <unistd.h>
+
+#include "main/simple_list.h"
+#include "main/texcompress.h"
+#include "main/texformat.h"
+
+#include "radeon_buffer.h"
+
+static GLuint radeon_compressed_texture_size(GLcontext *ctx,
+		GLsizei width, GLsizei height, GLsizei depth,
+		GLuint mesaFormat)
+{
+	GLuint size = _mesa_compressed_texture_size(ctx, width, height, depth, mesaFormat);
+
+	if (mesaFormat == MESA_FORMAT_RGB_DXT1 ||
+	    mesaFormat == MESA_FORMAT_RGBA_DXT1) {
+		if (width + 3 < 8)	/* width one block */
+			size = size * 4;
+		else if (width + 3 < 16)
+			size = size * 2;
+	} else {
+		/* DXT3/5, 16 bytes per block */
+	  //		WARN_ONCE("DXT 3/5 suffers from multitexturing problems!\n");
+		if (width + 3 < 8)
+			size = size * 2;
+	}
+
+	return size;
+}
+
+/**
+ * Compute sizes and fill in offset and blit information for the given
+ * image (determined by \p face and \p level).
+ *
+ * \param curOffset points to the offset at which the image is to be stored
+ * and is updated by this function according to the size of the image.
+ */
+static void compute_tex_image_offset(radeon_mipmap_tree *mt,
+	GLuint face, GLuint level, GLuint* curOffset)
+{
+	radeon_mipmap_level *lvl = &mt->levels[level];
+
+	/* Find image size in bytes */
+	if (mt->compressed) {
+		/* TODO: Is this correct? Need test cases for compressed textures! */
+		GLuint align;
+
+		if (mt->target == GL_TEXTURE_RECTANGLE_NV)
+			align = 64 / mt->bpp;
+		else
+			align = 32 / mt->bpp;
+		lvl->rowstride = (lvl->width + align - 1) & ~(align - 1);
+		lvl->size = radeon_compressed_texture_size(mt->radeon->glCtx,
+			lvl->width, lvl->height, lvl->depth, mt->compressed);
+	} else if (mt->target == GL_TEXTURE_RECTANGLE_NV) {
+		lvl->rowstride = (lvl->width * mt->bpp + 63) & ~63;
+		lvl->size = lvl->rowstride * lvl->height;
+	} else if (mt->tilebits & RADEON_TXO_MICRO_TILE) {
+	  /* tile pattern is 16 bytes x2. mipmaps stay 32 byte aligned,
+		 * though the actual offset may be different (if texture is less than
+		 * 32 bytes width) to the untiled case */
+		lvl->rowstride = (lvl->width * mt->bpp * 2 + 31) & ~31;
+		lvl->size = lvl->rowstride * ((lvl->height + 1) / 2) * lvl->depth;
+	} else {
+		lvl->rowstride = (lvl->width * mt->bpp + 31) & ~31;
+		lvl->size = lvl->rowstride * lvl->height * lvl->depth;
+	}
+	assert(lvl->size > 0);
+
+	/* All images are aligned to a 32-byte offset */
+	*curOffset = (*curOffset + 0x1f) & ~0x1f;
+	lvl->faces[face].offset = *curOffset;
+	*curOffset += lvl->size;
+}
+
+static GLuint minify(GLuint size, GLuint levels)
+{
+	size = size >> levels;
+	if (size < 1)
+		size = 1;
+	return size;
+}
+
+static void calculate_miptree_layout(radeon_mipmap_tree *mt)
+{
+	GLuint curOffset;
+	GLuint numLevels;
+	GLuint i;
+
+	numLevels = mt->lastLevel - mt->firstLevel + 1;
+	assert(numLevels <= RADEON_MAX_TEXTURE_LEVELS);
+
+	curOffset = 0;
+	for(i = 0; i < numLevels; i++) {
+		GLuint face;
+
+		mt->levels[i].width = minify(mt->width0, i);
+		mt->levels[i].height = minify(mt->height0, i);
+		mt->levels[i].depth = minify(mt->depth0, i);
+
+		for(face = 0; face < mt->faces; face++)
+			compute_tex_image_offset(mt, face, i, &curOffset);
+	}
+
+	/* Note the required size in memory */
+	mt->totalsize = (curOffset + RADEON_OFFSET_MASK) & ~RADEON_OFFSET_MASK;
+}
+
+
+/**
+ * Create a new mipmap tree, calculate its layout and allocate memory.
+ */
+radeon_mipmap_tree* radeon_miptree_create(radeonContextPtr rmesa, radeonTexObj *t,
+		GLenum target, GLuint firstLevel, GLuint lastLevel,
+		GLuint width0, GLuint height0, GLuint depth0,
+		GLuint bpp, GLuint tilebits, GLuint compressed)
+{
+	radeon_mipmap_tree *mt = CALLOC_STRUCT(_radeon_mipmap_tree);
+
+	mt->radeon = rmesa;
+	mt->refcount = 1;
+	mt->t = t;
+	mt->target = target;
+	mt->faces = (target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
+	mt->firstLevel = firstLevel;
+	mt->lastLevel = lastLevel;
+	mt->width0 = width0;
+	mt->height0 = height0;
+	mt->depth0 = depth0;
+	mt->bpp = bpp;
+	mt->tilebits = tilebits;
+	mt->compressed = compressed;
+
+	calculate_miptree_layout(mt);
+
+	mt->bo = radeon_bo_open(rmesa->radeonScreen->bom,
+                            0, mt->totalsize, 1024,
+                            RADEON_GEM_DOMAIN_VRAM,
+                            0);
+
+	return mt;
+}
+
+void radeon_miptree_reference(radeon_mipmap_tree *mt)
+{
+	mt->refcount++;
+	assert(mt->refcount > 0);
+}
+
+void radeon_miptree_unreference(radeon_mipmap_tree *mt)
+{
+	if (!mt)
+		return;
+
+	assert(mt->refcount > 0);
+	mt->refcount--;
+	if (!mt->refcount) {
+		radeon_bo_unref(mt->bo);
+		free(mt);
+	}
+}
+
+
+static void calculate_first_last_level(struct gl_texture_object *tObj,
+				       GLuint *pfirstLevel, GLuint *plastLevel)
+{
+	const struct gl_texture_image * const baseImage =
+		tObj->Image[0][tObj->BaseLevel];
+
+	/* These must be signed values.  MinLod and MaxLod can be negative numbers,
+	* and having firstLevel and lastLevel as signed prevents the need for
+	* extra sign checks.
+	*/
+	int   firstLevel;
+	int   lastLevel;
+
+	/* Yes, this looks overly complicated, but it's all needed.
+	*/
+	switch (tObj->Target) {
+	case GL_TEXTURE_1D:
+	case GL_TEXTURE_2D:
+	case GL_TEXTURE_3D:
+	case GL_TEXTURE_CUBE_MAP:
+		if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) {
+			/* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL.
+			*/
+			firstLevel = lastLevel = tObj->BaseLevel;
+		} else {
+			firstLevel = tObj->BaseLevel + (GLint)(tObj->MinLod + 0.5);
+			firstLevel = MAX2(firstLevel, tObj->BaseLevel);
+			firstLevel = MIN2(firstLevel, tObj->BaseLevel + baseImage->MaxLog2);
+			lastLevel = tObj->BaseLevel + (GLint)(tObj->MaxLod + 0.5);
+			lastLevel = MAX2(lastLevel, tObj->BaseLevel);
+			lastLevel = MIN2(lastLevel, tObj->BaseLevel + baseImage->MaxLog2);
+			lastLevel = MIN2(lastLevel, tObj->MaxLevel);
+			lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */
+		}
+		break;
+	case GL_TEXTURE_RECTANGLE_NV:
+	case GL_TEXTURE_4D_SGIS:
+		firstLevel = lastLevel = 0;
+		break;
+	default:
+		return;
+	}
+
+	/* save these values */
+	*pfirstLevel = firstLevel;
+	*plastLevel = lastLevel;
+}
+
+
+/**
+ * Checks whether the given miptree can hold the given texture image at the
+ * given face and level.
+ */
+GLboolean radeon_miptree_matches_image(radeon_mipmap_tree *mt,
+		struct gl_texture_image *texImage, GLuint face, GLuint level)
+{
+	radeon_mipmap_level *lvl;
+
+	if (face >= mt->faces || level < mt->firstLevel || level > mt->lastLevel)
+		return GL_FALSE;
+
+	if (texImage->TexFormat->TexelBytes != mt->bpp)
+		return GL_FALSE;
+
+	lvl = &mt->levels[level - mt->firstLevel];
+	if (lvl->width != texImage->Width ||
+	    lvl->height != texImage->Height ||
+	    lvl->depth != texImage->Depth)
+		return GL_FALSE;
+
+	return GL_TRUE;
+}
+
+
+/**
+ * Checks whether the given miptree has the right format to store the given texture object.
+ */
+GLboolean radeon_miptree_matches_texture(radeon_mipmap_tree *mt, struct gl_texture_object *texObj)
+{
+	struct gl_texture_image *firstImage;
+	GLuint compressed;
+	GLuint numfaces = 1;
+	GLuint firstLevel, lastLevel;
+
+	calculate_first_last_level(texObj, &firstLevel, &lastLevel);
+	if (texObj->Target == GL_TEXTURE_CUBE_MAP)
+		numfaces = 6;
+
+	firstImage = texObj->Image[0][firstLevel];
+	compressed = firstImage->IsCompressed ? firstImage->TexFormat->MesaFormat : 0;
+
+	return (mt->firstLevel == firstLevel &&
+	        mt->lastLevel == lastLevel &&
+	        mt->width0 == firstImage->Width &&
+	        mt->height0 == firstImage->Height &&
+	        mt->depth0 == firstImage->Depth &&
+	        mt->bpp == firstImage->TexFormat->TexelBytes &&
+	        mt->compressed == compressed);
+}
+
+
+/**
+ * Try to allocate a mipmap tree for the given texture that will fit the
+ * given image in the given position.
+ */
+void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t,
+		struct gl_texture_image *texImage, GLuint face, GLuint level)
+{
+	GLuint compressed = texImage->IsCompressed ? texImage->TexFormat->MesaFormat : 0;
+	GLuint numfaces = 1;
+	GLuint firstLevel, lastLevel;
+
+	assert(!t->mt);
+
+	calculate_first_last_level(&t->base, &firstLevel, &lastLevel);
+	if (t->base.Target == GL_TEXTURE_CUBE_MAP)
+		numfaces = 6;
+
+	if (level != firstLevel || face >= numfaces)
+		return;
+
+	t->mt = radeon_miptree_create(rmesa, t, t->base.Target,
+		firstLevel, lastLevel,
+		texImage->Width, texImage->Height, texImage->Depth,
+		texImage->TexFormat->TexelBytes, t->tile_bits, compressed);
+}
diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h
new file mode 100644
index 0000000000..875e5e5aee
--- /dev/null
+++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2008 Nicolai Haehnle.
+ *
+ * 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, sublicense, 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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
+ *
+ */
+
+#ifndef __RADEON_MIPMAP_TREE_H_
+#define __RADEON_MIPMAP_TREE_H_
+
+#include "common_context.h"
+
+typedef struct _radeon_mipmap_tree radeon_mipmap_tree;
+typedef struct _radeon_mipmap_level radeon_mipmap_level;
+typedef struct _radeon_mipmap_image radeon_mipmap_image;
+
+struct _radeon_mipmap_image {
+	GLuint offset; /** Offset of this image from the start of mipmap tree buffer, in bytes */
+};
+
+struct _radeon_mipmap_level {
+	GLuint width;
+	GLuint height;
+	GLuint depth;
+	GLuint size; /** Size of each image, in bytes */
+	GLuint rowstride; /** in bytes */
+	radeon_mipmap_image faces[6];
+};
+
+
+/**
+ * A mipmap tree contains texture images in the layout that the hardware
+ * expects.
+ *
+ * The meta-data of mipmap trees is immutable, i.e. you cannot change the
+ * layout on-the-fly; however, the texture contents (i.e. texels) can be
+ * changed.
+ */
+struct _radeon_mipmap_tree {
+	radeonContextPtr radeon;
+	radeonTexObj *t;
+	struct radeon_bo *bo;
+	GLuint refcount;
+
+	GLuint totalsize; /** total size of the miptree, in bytes */
+
+	GLenum target; /** GL_TEXTURE_xxx */
+	GLuint faces; /** # of faces: 6 for cubemaps, 1 otherwise */
+	GLuint firstLevel; /** First mip level stored in this mipmap tree */
+	GLuint lastLevel; /** Last mip level stored in this mipmap tree */
+
+	GLuint width0; /** Width of firstLevel image */
+	GLuint height0; /** Height of firstLevel image */
+	GLuint depth0; /** Depth of firstLevel image */
+
+	GLuint bpp; /** Bytes per texel */
+	GLuint tilebits; /** RADEON_TXO_xxx_TILE */
+	GLuint compressed; /** MESA_FORMAT_xxx indicating a compressed format, or 0 if uncompressed */
+
+	radeon_mipmap_level levels[RADEON_MAX_TEXTURE_LEVELS];
+};
+
+radeon_mipmap_tree* radeon_miptree_create(radeonContextPtr rmesa, radeonTexObj *t,
+		GLenum target, GLuint firstLevel, GLuint lastLevel,
+		GLuint width0, GLuint height0, GLuint depth0,
+		GLuint bpp, GLuint tilebits, GLuint compressed);
+void radeon_miptree_reference(radeon_mipmap_tree *mt);
+void radeon_miptree_unreference(radeon_mipmap_tree *mt);
+
+GLboolean radeon_miptree_matches_image(radeon_mipmap_tree *mt,
+		struct gl_texture_image *texImage, GLuint face, GLuint level);
+GLboolean radeon_miptree_matches_texture(radeon_mipmap_tree *mt, struct gl_texture_object *texObj);
+void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t,
+			      struct gl_texture_image *texImage, GLuint face, GLuint level);
+
+
+#endif /* __RADEON_MIPMAP_TREE_H_ */
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