libX11 mesa pixman git update 6 jan 2012

48 files changed, 1171 insertions, 1645 deletions

diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index 5098680b6..785a59531 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -3157,19 +3157,19 @@ copy_tex_sub_image(struct gl_context *ctx,
     */
    _mesa_meta_begin(ctx, MESA_META_PIXEL_STORE);
    if (target == GL_TEXTURE_1D) {
-      ctx->Driver.TexSubImage1D(ctx, target, level, xoffset,
-                                width, format, type, buf,
-                                &ctx->Unpack, texObj, texImage);
+      ctx->Driver.TexSubImage1D(ctx, texImage,
+                                xoffset, width,
+                                format, type, buf, &ctx->Unpack);
    }
    else if (target == GL_TEXTURE_3D) {
-      ctx->Driver.TexSubImage3D(ctx, target, level, xoffset, yoffset, zoffset,
-                                width, height, 1, format, type, buf,
-                                &ctx->Unpack, texObj, texImage);
+      ctx->Driver.TexSubImage3D(ctx, texImage,
+                                xoffset, yoffset, zoffset, width, height, 1,
+                                format, type, buf, &ctx->Unpack);
    }
    else {
-      ctx->Driver.TexSubImage2D(ctx, target, level, xoffset, yoffset,
-                                width, height, format, type, buf,
-                                &ctx->Unpack, texObj, texImage);
+      ctx->Driver.TexSubImage2D(ctx, texImage,
+                                xoffset, yoffset, width, height,
+                                format, type, buf, &ctx->Unpack);
    }
    _mesa_meta_end(ctx);
 
diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.c b/mesalib/src/mesa/drivers/dri/common/dri_util.c
index a153d525d..db7322ec4 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_util.c
+++ b/mesalib/src/mesa/drivers/dri/common/dri_util.c
@@ -134,35 +134,98 @@ static const __DRIextension **driGetExtensions(__DRIscreen *psp)
 /*@{*/
 
 static __DRIcontext *
-dri2CreateNewContextForAPI(__DRIscreen *screen, int api,
-			   const __DRIconfig *config,
-			   __DRIcontext *shared, void *data)
+dri2CreateContextAttribs(__DRIscreen *screen, int api,
+			 const __DRIconfig *config,
+			 __DRIcontext *shared,
+			 unsigned num_attribs,
+			 const uint32_t *attribs,
+			 unsigned *error,
+			 void *data)
 {
     __DRIcontext *context;
     const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
     void *shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
     gl_api mesa_api;
+    unsigned major_version = 1;
+    unsigned minor_version = 0;
+    uint32_t flags = 0;
 
-    if (!(screen->api_mask & (1 << api)))
+    assert((num_attribs == 0) || (attribs != NULL));
+
+    if (!(screen->api_mask & (1 << api))) {
+	*error = __DRI_CTX_ERROR_BAD_API;
 	return NULL;
+    }
 
     switch (api) {
     case __DRI_API_OPENGL:
-	    mesa_api = API_OPENGL;
-	    break;
+	mesa_api = API_OPENGL;
+	break;
     case __DRI_API_GLES:
-	    mesa_api = API_OPENGLES;
-	    break;
+	mesa_api = API_OPENGLES;
+	break;
     case __DRI_API_GLES2:
-	    mesa_api = API_OPENGLES2;
-	    break;
+	mesa_api = API_OPENGLES2;
+	break;
+    case __DRI_API_OPENGL_CORE:
     default:
+	*error = __DRI_CTX_ERROR_BAD_API;
+	return NULL;
+    }
+
+    if (mesa_api != API_OPENGL && num_attribs != 0) {
+	*error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
+	assert(!"Should not get here.");
+	return NULL;
+    }
+
+    for (unsigned i = 0; i < num_attribs; i++) {
+	switch (attribs[i * 2]) {
+	case __DRI_CTX_ATTRIB_MAJOR_VERSION:
+	    major_version = attribs[i * 2 + 1];
+	    break;
+	case __DRI_CTX_ATTRIB_MINOR_VERSION:
+	    minor_version = attribs[i * 2 + 1];
+	    break;
+	case __DRI_CTX_ATTRIB_FLAGS:
+	    flags = attribs[i * 2 + 1];
+	    break;
+	default:
+	    /* We can't create a context that satisfies the requirements of an
+	     * attribute that we don't understand.  Return failure.
+	     */
+	    assert(!"Should not get here.");
+	    *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
 	    return NULL;
+	}
+    }
+
+    /* There are no forward-compatible contexts before OpenGL 3.0.  The
+     * GLX_ARB_create_context spec says:
+     *
+     *     "Forward-compatible contexts are defined only for OpenGL versions
+     *     3.0 and later."
+     *
+     * Moreover, Mesa can't fulfill the requirements of a forward-looking
+     * context.  Return failure if a forward-looking context is requested.
+     *
+     * In Mesa, a debug context is the same as a regular context.
+     */
+    if ((flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0) {
+	*error = __DRI_CTX_ERROR_BAD_FLAG;
+	return NULL;
+    }
+
+    if ((flags & ~__DRI_CTX_FLAG_DEBUG) != 0) {
+	*error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
+	return NULL;
     }
 
     context = malloc(sizeof *context);
-    if (!context)
+    if (!context) {
+	*error = __DRI_CTX_ERROR_NO_MEMORY;
 	return NULL;
+    }
 
     context->loaderPrivate = data;
 
@@ -170,14 +233,27 @@ dri2CreateNewContextForAPI(__DRIscreen *screen, int api,
     context->driDrawablePriv = NULL;
     context->driReadablePriv = NULL;
 
-    if (!driDriverAPI.CreateContext(mesa_api, modes, context, shareCtx) ) {
+    if (!driDriverAPI.CreateContext(mesa_api, modes, context,
+				    major_version, minor_version,
+				    flags, error, shareCtx) ) {
         free(context);
         return NULL;
     }
 
+    *error = __DRI_CTX_ERROR_SUCCESS;
     return context;
 }
 
+static __DRIcontext *
+dri2CreateNewContextForAPI(__DRIscreen *screen, int api,
+			   const __DRIconfig *config,
+			   __DRIcontext *shared, void *data)
+{
+    unsigned error;
+
+    return dri2CreateContextAttribs(screen, api, config, shared, 0, NULL,
+				    &error, data);
+}
 
 static __DRIcontext *
 dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
@@ -454,10 +530,7 @@ const __DRIcoreExtension driCoreExtension = {
 
 /** DRI2 interface */
 const __DRIdri2Extension driDRI2Extension = {
-    /* Force the version to 2 because the underlying drivers don't (can't!)
-     * support the extra requirements of CreateContextAttribs.
-     */
-    { __DRI_DRI2, 2 },
+    { __DRI_DRI2, __DRI_DRI2_VERSION },
     dri2CreateNewScreen,
     dri2CreateNewDrawable,
     dri2CreateNewContext,
@@ -465,7 +538,7 @@ const __DRIdri2Extension driDRI2Extension = {
     dri2CreateNewContextForAPI,
     dri2AllocateBuffer,
     dri2ReleaseBuffer,
-    NULL
+    dri2CreateContextAttribs
 };
 
 const __DRI2configQueryExtension dri2ConfigQueryExtension = {
diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.h b/mesalib/src/mesa/drivers/dri/common/dri_util.h
index bebb021f6..900f04853 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_util.h
+++ b/mesalib/src/mesa/drivers/dri/common/dri_util.h
@@ -84,6 +84,10 @@ struct __DriverAPIRec {
     GLboolean (*CreateContext)(gl_api api,
                                const struct gl_config *glVis,
                                __DRIcontext *driContextPriv,
+			       unsigned major_version,
+			       unsigned minor_version,
+			       uint32_t flags,
+			       unsigned *error,
                                void *sharedContextPrivate);
 
     void (*DestroyContext)(__DRIcontext *driContextPriv);
diff --git a/mesalib/src/mesa/drivers/dri/common/drisw_util.c b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
index a19123f70..0ec124ae5 100644
--- a/mesalib/src/mesa/drivers/dri/common/drisw_util.c
+++ b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
@@ -94,14 +94,26 @@ static const __DRIextension **driGetExtensions(__DRIscreen *psp)
  */
 
 static __DRIcontext *
-driCreateNewContextForAPI(__DRIscreen *psp, int api,
-                          const __DRIconfig *config,
-                          __DRIcontext *shared, void *data)
+driCreateContextAttribs(__DRIscreen *screen, int api,
+			const __DRIconfig *config,
+			__DRIcontext *shared,
+			unsigned num_attribs,
+			const uint32_t *attribs,
+			unsigned *error,
+			void *data)
 {
     __DRIcontext *pcp;
     const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
     void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
     gl_api mesa_api;
+    unsigned major_version = 1;
+    unsigned minor_version = 0;
+    uint32_t flags = 0;
+
+    /* Either num_attribs is zero and attribs is NULL, or num_attribs is not
+     * zero and attribs is not NULL.
+     */
+    assert((num_attribs == 0) == (attribs == NULL));
 
     switch (api) {
     case __DRI_API_OPENGL:
@@ -113,21 +125,59 @@ driCreateNewContextForAPI(__DRIscreen *psp, int api,
     case __DRI_API_GLES2:
             mesa_api = API_OPENGLES2;
             break;
+    case __DRI_API_OPENGL_CORE:
     default:
             return NULL;
     }
 
+    for (unsigned i = 0; i < num_attribs; i++) {
+	switch (attribs[i * 2]) {
+	case __DRI_CTX_ATTRIB_MAJOR_VERSION:
+	    major_version = attribs[i * 2 + 1];
+	    break;
+	case __DRI_CTX_ATTRIB_MINOR_VERSION:
+	    minor_version = attribs[i * 2 + 1];
+	    break;
+	case __DRI_CTX_ATTRIB_FLAGS:
+	    flags = attribs[i * 2 + 1];
+	    break;
+	default:
+	    /* We can't create a context that satisfies the requirements of an
+	     * attribute that we don't understand.  Return failure.
+	     */
+	    return NULL;
+	}
+    }
+
+    /* There are no forward-compatible contexts before OpenGL 3.0.  The
+     * GLX_ARB_create_context spec says:
+     *
+     *     "Forward-compatible contexts are defined only for OpenGL versions
+     *     3.0 and later."
+     *
+     * Moreover, Mesa can't fulfill the requirements of a forward-looking
+     * context.  Return failure if a forward-looking context is requested.
+     *
+     * In Mesa, a debug context is the same as a regular context.
+     */
+    if (major_version >= 3) {
+	if ((flags & ~__DRI_CTX_FLAG_DEBUG) != 0)
+	    return NULL;
+    }
+
     pcp = CALLOC_STRUCT(__DRIcontextRec);
     if (!pcp)
         return NULL;
 
     pcp->loaderPrivate = data;
 
-    pcp->driScreenPriv = psp;
+    pcp->driScreenPriv = screen;
     pcp->driDrawablePriv = NULL;
     pcp->driReadablePriv = NULL;
 
-    if (!driDriverAPI.CreateContext(mesa_api, modes, pcp, shareCtx)) {
+    if (!driDriverAPI.CreateContext(mesa_api, modes, pcp,
+				    major_version, minor_version,
+				    flags, error, shareCtx)) {
         FREE(pcp);
         return NULL;
     }
@@ -136,6 +186,17 @@ driCreateNewContextForAPI(__DRIscreen *psp, int api,
 }
 
 static __DRIcontext *
+driCreateNewContextForAPI(__DRIscreen *psp, int api,
+                          const __DRIconfig *config,
+                          __DRIcontext *shared, void *data)
+{
+    unsigned error;
+
+    return driCreateContextAttribs(psp, api, config, shared, 0, NULL,
+				   &error, data);
+}
+
+static __DRIcontext *
 driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
 		    __DRIcontext *shared, void *data)
 {
@@ -288,12 +349,9 @@ const __DRIcoreExtension driCoreExtension = {
 };
 
 const __DRIswrastExtension driSWRastExtension = {
-    /* Force the version to 2 because the underlying driver don't (can't!)
-     * support the extra requirements of CreateContextAttribs.
-     */
-    { __DRI_SWRAST, 2 },
+    { __DRI_SWRAST, __DRI_SWRAST_VERSION },
     driCreateNewScreen,
     driCreateNewDrawable,
     driCreateNewContextForAPI,
-    NULL
+    driCreateContextAttribs
 };
diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast.c b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
index ac82dc7d5..4f6d0160f 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/swrast.c
+++ b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
@@ -91,7 +91,7 @@ static void swrastSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
     else
 	texFormat = MESA_FORMAT_ARGB8888;
 
-    _mesa_init_teximage_fields(&dri_ctx->Base, target, texImage,
+    _mesa_init_teximage_fields(&dri_ctx->Base, texImage,
 			       w, h, 1, 0, internalFormat, texFormat);
 
     sPriv->swrast_loader->getImage(dPriv, x, y, w, h, (char *)swImage->Data,
@@ -702,7 +702,12 @@ InitExtensionsES2(struct gl_context *ctx)
 static GLboolean
 dri_create_context(gl_api api,
 		   const struct gl_config * visual,
-		   __DRIcontext * cPriv, void *sharedContextPrivate)
+		   __DRIcontext * cPriv,
+		   unsigned major_version,
+		   unsigned minor_version,
+		   uint32_t flags,
+		   unsigned *error,
+		   void *sharedContextPrivate)
 {
     struct dri_context *ctx = NULL;
     struct dri_context *share = (struct dri_context *)sharedContextPrivate;
@@ -712,9 +717,22 @@ dri_create_context(gl_api api,
 
     TRACE;
 
+    /* Flag filtering is handled in dri2CreateContextAttribs.
+     */
+    (void) flags;
+
+    if (api == API_OPENGL
+	&& (major_version > 2
+	    || (major_version == 2 && minor_version > 1))) {
+       *error = __DRI_CTX_ERROR_BAD_VERSION;
+       goto context_fail;
+    }
+
     ctx = CALLOC_STRUCT(dri_context);
-    if (ctx == NULL)
+    if (ctx == NULL) {
+	*error = __DRI_CTX_ERROR_NO_MEMORY;
 	goto context_fail;
+    }
 
     cPriv->driverPrivate = ctx;
     ctx->cPriv = cPriv;
@@ -731,6 +749,7 @@ dri_create_context(gl_api api,
 
     /* basic context setup */
     if (!_mesa_initialize_context(mesaCtx, api, visual, sharedCtx, &functions, (void *) cPriv)) {
+	*error = __DRI_CTX_ERROR_NO_MEMORY;
 	goto context_fail;
     }
 
@@ -772,6 +791,7 @@ dri_create_context(gl_api api,
         break;
     }
 
+    *error = __DRI_CTX_ERROR_SUCCESS;
     return GL_TRUE;
 
 context_fail:
diff --git a/mesalib/src/mesa/main/bufferobj.c b/mesalib/src/mesa/main/bufferobj.c
index cc6f6753d..462519895 100644
--- a/mesalib/src/mesa/main/bufferobj.c
+++ b/mesalib/src/mesa/main/bufferobj.c
@@ -184,7 +184,10 @@ buffer_object_subdata_range_good( struct gl_context * ctx, GLenum target,
    }
    if (offset + size > bufObj->Size) {
       _mesa_error(ctx, GL_INVALID_VALUE,
-		  "%s(size + offset > buffer size)", caller);
+		  "%s(offset %lu + size %lu > buffer size %lu)", caller,
+                  (unsigned long) offset,
+                  (unsigned long) size,
+                  (unsigned long) bufObj->Size);
       return NULL;
    }
    if (_mesa_bufferobj_mapped(bufObj)) {
@@ -499,19 +502,20 @@ _mesa_copy_buffer_subdata(struct gl_context *ctx,
                           GLintptr readOffset, GLintptr writeOffset,
                           GLsizeiptr size)
 {
-   GLubyte *srcPtr, *dstPtr;
+   void *srcPtr, *dstPtr;
 
    /* buffer should not already be mapped */
    assert(!_mesa_bufferobj_mapped(src));
    assert(!_mesa_bufferobj_mapped(dst));
 
-   srcPtr = (GLubyte *) ctx->Driver.MapBufferRange(ctx, 0, src->Size,
-						   GL_MAP_READ_BIT, src);
-   dstPtr = (GLubyte *) ctx->Driver.MapBufferRange(ctx, 0, dst->Size,
-						   GL_MAP_WRITE_BIT, dst);
+   srcPtr = ctx->Driver.MapBufferRange(ctx, readOffset, size,
+                                       GL_MAP_READ_BIT, src);
+   dstPtr = ctx->Driver.MapBufferRange(ctx, writeOffset, size,
+                                       (GL_MAP_WRITE_BIT |
+                                        GL_MAP_INVALIDATE_RANGE_BIT), dst);
 
    if (srcPtr && dstPtr)
-      memcpy(dstPtr + writeOffset, srcPtr + readOffset, size);
+      memcpy(dstPtr, srcPtr, size);
 
    ctx->Driver.UnmapBuffer(ctx, src);
    ctx->Driver.UnmapBuffer(ctx, dst);
diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h
index 5816faa78..6707e785d 100644
--- a/mesalib/src/mesa/main/dd.h
+++ b/mesalib/src/mesa/main/dd.h
@@ -203,83 +203,77 @@ struct dd_function_table {
     * fully initialized.
     * The parameters are the same as glTexImage1D(), plus:
     * \param packing describes how to unpack the source data.
-    * \param texObj is the target texture object.
-    * \param texImage is the target texture image.
+    * \param texImage is the destination texture image.
     */
-   void (*TexImage1D)( struct gl_context *ctx, GLenum target, GLint level,
-                       GLint internalFormat,
-                       GLint width, GLint border,
-                       GLenum format, GLenum type, const GLvoid *pixels,
-                       const struct gl_pixelstore_attrib *packing,
-                       struct gl_texture_object *texObj,
-                       struct gl_texture_image *texImage );
+   void (*TexImage1D)(struct gl_context *ctx,
+                      struct gl_texture_image *texImage,
+                      GLint internalFormat,
+                      GLint width, GLint border,
+                      GLenum format, GLenum type, const GLvoid *pixels,
+                      const struct gl_pixelstore_attrib *packing);
 
    /**
     * Called by glTexImage2D().
     * 
     * \sa dd_function_table::TexImage1D.
     */
-   void (*TexImage2D)( struct gl_context *ctx, GLenum target, GLint level,
-                       GLint internalFormat,
-                       GLint width, GLint height, GLint border,
-                       GLenum format, GLenum type, const GLvoid *pixels,
-                       const struct gl_pixelstore_attrib *packing,
-                       struct gl_texture_object *texObj,
-                       struct gl_texture_image *texImage );
+   void (*TexImage2D)(struct gl_context *ctx,
+                      struct gl_texture_image *texImage,
+                      GLint internalFormat,
+                      GLint width, GLint height, GLint border,
+                      GLenum format, GLenum type, const GLvoid *pixels,
+                      const struct gl_pixelstore_attrib *packing);
    
    /**
     * Called by glTexImage3D().
     * 
     * \sa dd_function_table::TexImage1D.
     */
-   void (*TexImage3D)( struct gl_context *ctx, GLenum target, GLint level,
-                       GLint internalFormat,
-                       GLint width, GLint height, GLint depth, GLint border,
-                       GLenum format, GLenum type, const GLvoid *pixels,
-                       const struct gl_pixelstore_attrib *packing,
-                       struct gl_texture_object *texObj,
-                       struct gl_texture_image *texImage );
+   void (*TexImage3D)(struct gl_context *ctx,
+                      struct gl_texture_image *texImage,
+                      GLint internalFormat,
+                      GLint width, GLint height, GLint depth, GLint border,
+                      GLenum format, GLenum type, const GLvoid *pixels,
+                      const struct gl_pixelstore_attrib *packing);
 
    /**
     * Called by glTexSubImage1D().  Replace a subset of the target texture
     * with new texel data.
     * \sa dd_function_table::TexImage1D.
     */
-   void (*TexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level,
-                          GLint xoffset, GLsizei width,
-                          GLenum format, GLenum type,
-                          const GLvoid *pixels,
-                          const struct gl_pixelstore_attrib *packing,
-                          struct gl_texture_object *texObj,
-                          struct gl_texture_image *texImage );
+   void (*TexSubImage1D)(struct gl_context *ctx,
+                         struct gl_texture_image *texImage,
+                         GLint xoffset, GLsizei width,
+                         GLenum format, GLenum type,
+                         const GLvoid *pixels,
+                         const struct gl_pixelstore_attrib *packing);
    
    /**
     * Called by glTexSubImage2D().
     *
     * \sa dd_function_table::TexSubImage1D.
     */
-   void (*TexSubImage2D)( struct gl_context *ctx, GLenum target, GLint level,
-                          GLint xoffset, GLint yoffset,
-                          GLsizei width, GLsizei height,
-                          GLenum format, GLenum type,
-                          const GLvoid *pixels,
-                          const struct gl_pixelstore_attrib *packing,
-                          struct gl_texture_object *texObj,
-                          struct gl_texture_image *texImage );
+   void (*TexSubImage2D)(struct gl_context *ctx,
+                         struct gl_texture_image *texImage,
+                         GLint xoffset, GLint yoffset,
+                         GLsizei width, GLsizei height,
+                         GLenum format, GLenum type,
+                         const GLvoid *pixels,
+                         const struct gl_pixelstore_attrib *packing);
    
    /**
     * Called by glTexSubImage3D().
     *
     * \sa dd_function_table::TexSubImage1D.
     */
-   void (*TexSubImage3D)( struct gl_context *ctx, GLenum target, GLint level,
-                          GLint xoffset, GLint yoffset, GLint zoffset,
-                          GLsizei width, GLsizei height, GLint depth,
-                          GLenum format, GLenum type,
-                          const GLvoid *pixels,
-                          const struct gl_pixelstore_attrib *packing,
-                          struct gl_texture_object *texObj,
-                          struct gl_texture_image *texImage );
+   void (*TexSubImage3D)(struct gl_context *ctx,
+                         struct gl_texture_image *texImage,
+                         GLint xoffset, GLint yoffset, GLint zoffset,
+                         GLsizei width, GLsizei height, GLint depth,
+                         GLenum format, GLenum type,
+                         const GLvoid *pixels,
+                         const struct gl_pixelstore_attrib *packing);
+
 
    /**
     * Called by glGetTexImage().
@@ -342,105 +336,73 @@ struct dd_function_table {
 
    /**
     * Called by glCompressedTexImage1D().
-    *
-    * \param target user specified.
-    * \param format user specified.
-    * \param type user specified.
-    * \param pixels user specified.
-    * \param packing indicates the image packing of pixels.
-    * \param texObj is the target texture object.
-    * \param texImage is the target texture image.  It will have the texture \p
-    * width, \p height, \p depth, \p border and \p internalFormat information.
-    *      
-    * \a retainInternalCopy is returned by this function and indicates whether
-    * core Mesa should keep an internal copy of the texture image.
-    */
-   void (*CompressedTexImage1D)( struct gl_context *ctx, GLenum target,
-                                 GLint level, GLint internalFormat,
-                                 GLsizei width, GLint border,
-                                 GLsizei imageSize, const GLvoid *data,
-                                 struct gl_texture_object *texObj,
-                                 struct gl_texture_image *texImage );
+    * The parameters are the same as for glCompressedTexImage1D(), plus a
+    * pointer to the destination texure image.
+    */
+   void (*CompressedTexImage1D)(struct gl_context *ctx,
+                                struct gl_texture_image *texImage,
+                                GLint internalFormat,
+                                GLsizei width, GLint border,
+                                GLsizei imageSize, const GLvoid *data);
    /**
     * Called by glCompressedTexImage2D().
     *
     * \sa dd_function_table::CompressedTexImage1D.
     */
-   void (*CompressedTexImage2D)( struct gl_context *ctx, GLenum target,
-                                 GLint level, GLint internalFormat,
-                                 GLsizei width, GLsizei height, GLint border,
-                                 GLsizei imageSize, const GLvoid *data,
-                                 struct gl_texture_object *texObj,
-                                 struct gl_texture_image *texImage );
+   void (*CompressedTexImage2D)(struct gl_context *ctx,
+                                struct gl_texture_image *texImage,
+                                GLint internalFormat,
+                                GLsizei width, GLsizei height, GLint border,
+                                GLsizei imageSize, const GLvoid *data);
+
    /**
     * Called by glCompressedTexImage3D().
     *
     * \sa dd_function_table::CompressedTexImage3D.
     */
-   void (*CompressedTexImage3D)( struct gl_context *ctx, GLenum target,
-                                 GLint level, GLint internalFormat,
-                                 GLsizei width, GLsizei height, GLsizei depth,
-                                 GLint border,
-                                 GLsizei imageSize, const GLvoid *data,
-                                 struct gl_texture_object *texObj,
-                                 struct gl_texture_image *texImage );
+   void (*CompressedTexImage3D)(struct gl_context *ctx,
+                                struct gl_texture_image *texImage,
+                                GLint internalFormat,
+                                GLsizei width, GLsizei height, GLsizei depth,
+                                GLint border,
+                                GLsizei imageSize, const GLvoid *data);
 
    /**
     * Called by glCompressedTexSubImage1D().
-    * 
-    * \param target user specified.
-    * \param level user specified.
-    * \param xoffset user specified.
-    * \param yoffset user specified.
-    * \param zoffset user specified.
-    * \param width user specified.
-    * \param height user specified.
-    * \param depth user specified.
-    * \param imageSize user specified.
-    * \param data user specified.
-    * \param texObj is the target texture object.
-    * \param texImage is the target texture image.  It will have the texture \p
-    * width, \p height, \p depth, \p border and \p internalFormat information.
-    */
-   void (*CompressedTexSubImage1D)(struct gl_context *ctx, GLenum target, GLint level,
+    */
+   void (*CompressedTexSubImage1D)(struct gl_context *ctx,
+                                   struct gl_texture_image *texImage,
                                    GLint xoffset, GLsizei width,
                                    GLenum format,
-                                   GLsizei imageSize, const GLvoid *data,
-                                   struct gl_texture_object *texObj,
-                                   struct gl_texture_image *texImage);
+                                   GLsizei imageSize, const GLvoid *data);
+
    /**
     * Called by glCompressedTexSubImage2D().
-    *
-    * \sa dd_function_table::CompressedTexImage3D.
     */
-   void (*CompressedTexSubImage2D)(struct gl_context *ctx, GLenum target, GLint level,
+   void (*CompressedTexSubImage2D)(struct gl_context *ctx,
+                                   struct gl_texture_image *texImage,
                                    GLint xoffset, GLint yoffset,
                                    GLsizei width, GLint height,
                                    GLenum format,
-                                   GLsizei imageSize, const GLvoid *data,
-                                   struct gl_texture_object *texObj,
-                                   struct gl_texture_image *texImage);
+                                   GLsizei imageSize, const GLvoid *data);
+
    /**
     * Called by glCompressedTexSubImage3D().
-    *
-    * \sa dd_function_table::CompressedTexImage3D.
     */
-   void (*CompressedTexSubImage3D)(struct gl_context *ctx, GLenum target, GLint level,
+   void (*CompressedTexSubImage3D)(struct gl_context *ctx,
+                                   struct gl_texture_image *texImage,
                                    GLint xoffset, GLint yoffset, GLint zoffset,
                                    GLsizei width, GLint height, GLint depth,
                                    GLenum format,
-                                   GLsizei imageSize, const GLvoid *data,
-                                   struct gl_texture_object *texObj,
-                                   struct gl_texture_image *texImage);
+                                   GLsizei imageSize, const GLvoid *data);
 
 
    /**
     * Called by glGetCompressedTexImage.
     */
-   void (*GetCompressedTexImage)(struct gl_context *ctx, GLenum target, GLint level,
-                                 GLvoid *img,
-                                 struct gl_texture_object *texObj,
-                                 struct gl_texture_image *texImage);
+   void (*GetCompressedTexImage)(struct gl_context *ctx,
+                                 struct gl_texture_image *texImage,
+                                 GLvoid *data);
 
    /*@}*/
 
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp
index 008da0d0e..3e736fa15 100644
--- a/mesalib/src/mesa/main/ff_fragment_shader.cpp
+++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp
@@ -632,15 +632,19 @@ emit_combine_source(struct texenv_fragment_program *p,
 					   new(p->mem_ctx) ir_constant(1.0f),
 					   src);
 
-   case OPR_SRC_ALPHA: 
-      return new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1);
+   case OPR_SRC_ALPHA:
+      return src->type->is_scalar()
+	 ? src : (ir_rvalue *) new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1);
+
+   case OPR_ONE_MINUS_SRC_ALPHA: {
+      ir_rvalue *const scalar = (src->type->is_scalar())
+	 ? src : (ir_rvalue *) new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1);
 
-   case OPR_ONE_MINUS_SRC_ALPHA: 
       return new(p->mem_ctx) ir_expression(ir_binop_sub,
 					   new(p->mem_ctx) ir_constant(1.0f),
-					   new(p->mem_ctx) ir_swizzle(src,
-								      3, 3,
-								      3, 3, 1));
+					   scalar);
+   }
+
    case OPR_ZERO:
       return new(p->mem_ctx) ir_constant(0.0f);
    case OPR_ONE:
diff --git a/mesalib/src/mesa/main/format_pack.c b/mesalib/src/mesa/main/format_pack.c
index 840559bac..43677117e 100644
--- a/mesalib/src/mesa/main/format_pack.c
+++ b/mesalib/src/mesa/main/format_pack.c
@@ -2453,7 +2453,7 @@ _mesa_pack_ubyte_stencil_row(gl_format format, GLuint n,
       break;
    case MESA_FORMAT_Z32_FLOAT_X24S8:
       {
-         GLfloat *d = ((GLfloat *) dst);
+         GLuint *d = dst;
          GLuint i;
          for (i = 0; i < n; i++) {
             d[i * 2 + 1] = src[i];
diff --git a/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index 0c9d6b391..5ad601242 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -2498,7 +2498,7 @@ find_value_indexed(const char *func, GLenum pname, int index, union value *v)
 	 goto invalid_value;
       if (!ctx->Extensions.EXT_transform_feedback)
 	 goto invalid_enum;
-      v->value_int = ctx->TransformFeedback.CurrentObject->Buffers[index]->Name;
+      v->value_int = ctx->TransformFeedback.CurrentObject->BufferNames[index];
       return TYPE_INT;
    }
 
diff --git a/mesalib/src/mesa/main/imports.h b/mesalib/src/mesa/main/imports.h
index d5e3859f8..b7e87439f 100644
--- a/mesalib/src/mesa/main/imports.h
+++ b/mesalib/src/mesa/main/imports.h
@@ -568,7 +568,7 @@ _mesa_init_sqrt_table(void);
 
 #ifdef __GNUC__
 
-#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(ANDROID)
+#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(ANDROID) || defined(__APPLE__)
 #define ffs __builtin_ffs
 #define ffsll __builtin_ffsll
 #endif
diff --git a/mesalib/src/mesa/main/mipmap.c b/mesalib/src/mesa/main/mipmap.c
index 867cb22e2..867506c9f 100644
--- a/mesalib/src/mesa/main/mipmap.c
+++ b/mesalib/src/mesa/main/mipmap.c
@@ -1860,7 +1860,7 @@ _mesa_prepare_mipmap_level(struct gl_context *ctx,
          /* need to (re)allocate image */
          ctx->Driver.FreeTextureImageBuffer(ctx, dstImage);
 
-         _mesa_init_teximage_fields(ctx, target, dstImage,
+         _mesa_init_teximage_fields(ctx, dstImage,
                                     width, height, depth,
                                     border, intFormat, format);
 
@@ -2132,11 +2132,10 @@ generate_mipmap_compressed(struct gl_context *ctx, GLenum target,
       }
 
       /* The image space was allocated above so use glTexSubImage now */
-      ctx->Driver.TexSubImage2D(ctx, target, level + 1,
+      ctx->Driver.TexSubImage2D(ctx, dstImage,
                                 0, 0, dstWidth, dstHeight,
                                 temp_base_format, temp_datatype,
-                                temp_dst, &ctx->DefaultPacking,
-                                texObj, dstImage);
+                                temp_dst, &ctx->DefaultPacking);
 
       /* swap src and dest pointers */
       {
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 107371e52..dcb987116 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -1817,10 +1817,21 @@ struct prog_instruction;
 struct gl_program_parameter_list;
 struct gl_uniform_list;
 
+struct gl_transform_feedback_varying_info {
+   char *Name;
+   GLenum Type;
+   GLint Size;
+};
+
 /** Post-link transform feedback info. */
 struct gl_transform_feedback_info {
    unsigned NumOutputs;
 
+   /**
+    * Number of transform feedback buffers in use by this program.
+    */
+   unsigned NumBuffers;
+
    struct {
       unsigned OutputRegister;
       unsigned OutputBuffer;
@@ -1828,8 +1839,22 @@ struct gl_transform_feedback_info {
 
       /** offset (in DWORDs) of this output within the interleaved structure */
       unsigned DstOffset;
+
+      /**
+       * Offset into the output register of the data to output.  For example,
+       * if NumComponents is 2 and ComponentOffset is 1, then the data to
+       * offset is in the y and z components of the output register.
+       */
+      unsigned ComponentOffset;
    } Outputs[MAX_PROGRAM_OUTPUTS];
 
+   /** Transform feedback varyings used for the linking of this shader program.
+    *
+    * Use for glGetTransformFeedbackVarying().
+    */
+   struct gl_transform_feedback_varying_info *Varyings;
+   GLint NumVarying;
+
    /**
     * Total number of components stored in each buffer.  This may be used by
     * hardware back-ends to determine the correct stride when interleaving
@@ -2222,7 +2247,13 @@ struct gl_shader_program
     */
    struct string_to_uint_map *FragDataBindings;
 
-   /** Transform feedback varyings */
+   /**
+    * Transform feedback varyings last specified by
+    * glTransformFeedbackVaryings().
+    *
+    * For the current set of transform feeedback varyings used for transform
+    * feedback output, see LinkedTransformFeedback.
+    */
    struct {
       GLenum BufferMode;
       GLuint NumVarying;
@@ -2273,7 +2304,6 @@ struct gl_shader_program
    /** Which texture target is being sampled (TEXTURE_1D/2D/3D/etc_INDEX) */
    gl_texture_index SamplerTargets[MAX_SAMPLERS];
 
-   struct gl_program_parameter_list *Varying;
    GLboolean LinkStatus;   /**< GL_LINK_STATUS */
    GLboolean Validated;
    GLboolean _Used;        /**< Ever used for drawing? */
diff --git a/mesalib/src/mesa/main/pack.c b/mesalib/src/mesa/main/pack.c
index 2933ff638..8f2c8fd97 100644
--- a/mesalib/src/mesa/main/pack.c
+++ b/mesalib/src/mesa/main/pack.c
@@ -692,6 +692,12 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
                      dst[i] = (GLubyte) rgba[i][ACOMP];
                   }
                   break;
+               case GL_RG_INTEGER:
+                  for (i=0;i<n;i++) {
+                     dst[i*2+0] = (GLubyte) rgba[i][RCOMP];
+                     dst[i*2+1] = (GLubyte) rgba[i][GCOMP];
+                  }
+                  break;
                case GL_RGB_INTEGER_EXT:
                   for (i=0;i<n;i++) {
                      dst[i*3+0] = (GLubyte) rgba[i][RCOMP];
@@ -843,6 +849,12 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
                      dst[i] = (GLbyte) rgba[i][ACOMP];
                   }
                   break;
+               case GL_RG_INTEGER:
+                  for (i=0;i<n;i++) {
+                     dst[i*2+0] = (GLbyte) rgba[i][RCOMP];
+                     dst[i*2+1] = (GLbyte) rgba[i][GCOMP];
+                  }
+                  break;
                case GL_RGB_INTEGER_EXT:
                   for (i=0;i<n;i++) {
                      dst[i*3+0] = (GLbyte) rgba[i][RCOMP];
@@ -994,6 +1006,12 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
                      dst[i] = (GLushort) rgba[i][ACOMP];
                   }
                   break;
+               case GL_RG_INTEGER:
+                  for (i=0;i<n;i++) {
+                     dst[i*2+0] = (GLushort) rgba[i][RCOMP];
+                     dst[i*2+1] = (GLushort) rgba[i][GCOMP];
+                  }
+                  break;
                case GL_RGB_INTEGER_EXT:
                   for (i=0;i<n;i++) {
                      dst[i*3+0] = (GLushort) rgba[i][RCOMP];
@@ -1145,6 +1163,13 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
                      dst[i] = (GLshort) rgba[i][ACOMP];
                   }
                   break;
+               case GL_RG_INTEGER:
+                  for (i=0;i<n;i++) {
+                     dst[i*3+0] = (GLshort) rgba[i][RCOMP];
+                     dst[i*3+1] = (GLshort) rgba[i][GCOMP];
+                     dst[i*3+2] = (GLshort) rgba[i][BCOMP];
+                  }
+                  break;
                case GL_RGB_INTEGER_EXT:
                   for (i=0;i<n;i++) {
                      dst[i*3+0] = (GLshort) rgba[i][RCOMP];
@@ -1296,6 +1321,12 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
                      dst[i] = (GLuint) rgba[i][ACOMP];
                   }
                   break;
+               case GL_RG_INTEGER:
+                  for (i=0;i<n;i++) {
+                     dst[i*2+0] = (GLuint) rgba[i][RCOMP];
+                     dst[i*2+1] = (GLuint) rgba[i][GCOMP];
+                  }
+                  break;
                case GL_RGB_INTEGER_EXT:
                   for (i=0;i<n;i++) {
                      dst[i*3+0] = (GLuint) rgba[i][RCOMP];
@@ -1454,6 +1485,12 @@ _mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
                      dst[i] = (GLint) rgba[i][ACOMP];
                   }
                   break;
+               case GL_RG_INTEGER:
+                  for (i=0;i<n;i++) {
+                     dst[i*2+0] = (GLint) rgba[i][RCOMP];
+                     dst[i*2+1] = (GLint) rgba[i][GCOMP];
+                  }
+                  break;
                case GL_RGB_INTEGER_EXT:
                   for (i=0;i<n;i++) {
                      dst[i*3+0] = (GLint) rgba[i][RCOMP];
@@ -2397,6 +2434,7 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
           srcFormat == GL_GREEN_INTEGER_EXT ||
           srcFormat == GL_BLUE_INTEGER_EXT ||
           srcFormat == GL_ALPHA_INTEGER_EXT ||
+          srcFormat == GL_RG_INTEGER ||
           srcFormat == GL_RGB_INTEGER_EXT ||
           srcFormat == GL_RGBA_INTEGER_EXT ||
           srcFormat == GL_BGR_INTEGER_EXT ||
@@ -3778,6 +3816,7 @@ _mesa_unpack_color_span_float( struct gl_context *ctx,
           srcFormat == GL_GREEN_INTEGER_EXT ||
           srcFormat == GL_BLUE_INTEGER_EXT ||
           srcFormat == GL_ALPHA_INTEGER_EXT ||
+          srcFormat == GL_RG_INTEGER ||
           srcFormat == GL_RGB_INTEGER_EXT ||
           srcFormat == GL_RGBA_INTEGER_EXT ||
           srcFormat == GL_BGR_INTEGER_EXT ||
diff --git a/mesalib/src/mesa/main/shaderapi.c b/mesalib/src/mesa/main/shaderapi.c
index b71b44b70..52a9bd452 100644
--- a/mesalib/src/mesa/main/shaderapi.c
+++ b/mesalib/src/mesa/main/shaderapi.c
@@ -751,7 +751,7 @@ link_program(struct gl_context *ctx, GLuint program)
 	   || shProg == ctx->Shader.CurrentGeometryProgram
 	   || shProg == ctx->Shader.CurrentFragmentProgram)) {
       _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "glLinkProgram(transform feedback active");
+                  "glLinkProgram(transform feedback active)");
       return;
    }
 
diff --git a/mesalib/src/mesa/main/shaderobj.c b/mesalib/src/mesa/main/shaderobj.c
index 454007f83..de66851e9 100644
--- a/mesalib/src/mesa/main/shaderobj.c
+++ b/mesalib/src/mesa/main/shaderobj.c
@@ -286,11 +286,6 @@ _mesa_clear_shader_program_data(struct gl_context *ctx,
       shProg->UniformHash = NULL;
    }
 
-   if (shProg->Varying) {
-      _mesa_free_parameter_list(shProg->Varying);
-      shProg->Varying = NULL;
-   }
-
    assert(shProg->InfoLog != NULL);
    ralloc_free(shProg->InfoLog);
    shProg->InfoLog = ralloc_strdup(shProg, "");
diff --git a/mesalib/src/mesa/main/texcompress_fxt1.c b/mesalib/src/mesa/main/texcompress_fxt1.c
index d5c73e3b4..2480ffb38 100644
--- a/mesalib/src/mesa/main/texcompress_fxt1.c
+++ b/mesalib/src/mesa/main/texcompress_fxt1.c
@@ -64,14 +64,9 @@ _mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
    const GLubyte *pixels;
    GLint srcRowStride;
    GLubyte *dst;
-   const GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
    const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGB_FXT1);
-   ASSERT(dstXoffset % 8 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset     == 0);
-   (void) dstZoffset;
 
    if (srcFormat != GL_RGB ||
        srcType != GL_UNSIGNED_BYTE ||
@@ -99,9 +94,7 @@ _mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
                                             srcType) / sizeof(GLubyte);
    }
 
-   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-                                        dstFormat,
-                                        texWidth, dstSlices[0]);
+   dst = dstSlices[0];
 
    fxt1_encode(srcWidth, srcHeight, 3, pixels, srcRowStride,
                dst, dstRowStride);
@@ -122,14 +115,9 @@ _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
    const GLubyte *pixels;
    GLint srcRowStride;
    GLubyte *dst;
-   GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
    const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA_FXT1);
-   ASSERT(dstXoffset % 8 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset     == 0);
-   (void) dstZoffset;
 
    if (srcFormat != GL_RGBA ||
        srcType != GL_UNSIGNED_BYTE ||
@@ -156,9 +144,7 @@ _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
                                             srcType) / sizeof(GLubyte);
    }
 
-   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-                                        dstFormat,
-                                        texWidth, dstSlices[0]);
+   dst = dstSlices[0];
 
    fxt1_encode(srcWidth, srcHeight, 4, pixels, srcRowStride,
                dst, dstRowStride);
diff --git a/mesalib/src/mesa/main/texcompress_rgtc.c b/mesalib/src/mesa/main/texcompress_rgtc.c
index 3586fc39d..b8e334b45 100644
--- a/mesalib/src/mesa/main/texcompress_rgtc.c
+++ b/mesalib/src/mesa/main/texcompress_rgtc.c
@@ -92,7 +92,6 @@ GLboolean
 _mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
 {
    GLubyte *dst;
-   const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
    const GLubyte *tempImage = NULL;
    int i, j;
    int numxpixels, numypixels;
@@ -102,11 +101,6 @@ _mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
    GLint dstRowDiff;
    ASSERT(dstFormat == MESA_FORMAT_RED_RGTC1 ||
           dstFormat == MESA_FORMAT_L_LATC1);
-   ASSERT(dstXoffset % 4 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset % 4 == 0);
-   (void) dstZoffset;
-
 
    tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
 					  baseInternalFormat,
@@ -117,9 +111,7 @@ _mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
    if (!tempImage)
       return GL_FALSE; /* out of memory */
 
-   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-                                        dstFormat,
-                                        texWidth, dstSlices[0]);
+   dst = dstSlices[0];
 
    blkaddr = dst;
    dstRowDiff = dstRowStride >= (srcWidth * 2) ? dstRowStride - (((srcWidth + 3) & ~3) * 2) : 0;
@@ -147,7 +139,6 @@ GLboolean
 _mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS)
 {
    GLbyte *dst;
-   const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
    const GLfloat *tempImage = NULL;
    int i, j;
    int numxpixels, numypixels;
@@ -157,10 +148,6 @@ _mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS)
    GLint dstRowDiff;
    ASSERT(dstFormat == MESA_FORMAT_SIGNED_RED_RGTC1 ||
           dstFormat == MESA_FORMAT_SIGNED_L_LATC1);
-   ASSERT(dstXoffset % 4 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset % 4 == 0);
-   (void) dstZoffset;
 
    tempImage = _mesa_make_temp_float_image(ctx, dims,
 					   baseInternalFormat,
@@ -171,9 +158,7 @@ _mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS)
    if (!tempImage)
       return GL_FALSE; /* out of memory */
 
-   dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-						  dstFormat,
-						  texWidth, dstSlices[0]);
+   dst = (GLbyte *) dstSlices[0];
 
    blkaddr = dst;
    dstRowDiff = dstRowStride >= (srcWidth * 2) ? dstRowStride - (((srcWidth + 3) & ~3) * 2) : 0;
@@ -201,7 +186,6 @@ GLboolean
 _mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
 {
    GLubyte *dst;
-   const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
    const GLubyte *tempImage = NULL;
    int i, j;
    int numxpixels, numypixels;
@@ -212,10 +196,6 @@ _mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
 
    ASSERT(dstFormat == MESA_FORMAT_RG_RGTC2 ||
           dstFormat == MESA_FORMAT_LA_LATC2);
-   ASSERT(dstXoffset % 4 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset % 4 == 0);
-   (void) dstZoffset;
 
    tempImage = _mesa_make_temp_ubyte_image(ctx, dims,
 					  baseInternalFormat,
@@ -226,9 +206,7 @@ _mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
    if (!tempImage)
       return GL_FALSE; /* out of memory */
 
-   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-                                        dstFormat,
-                                        texWidth, dstSlices[0]);
+   dst = dstSlices[0];
 
    blkaddr = dst;
    dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
@@ -262,7 +240,6 @@ GLboolean
 _mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS)
 {
    GLbyte *dst;
-   const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
    const GLfloat *tempImage = NULL;
    int i, j;
    int numxpixels, numypixels;
@@ -273,10 +250,6 @@ _mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS)
 
    ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG_RGTC2 ||
           dstFormat == MESA_FORMAT_SIGNED_LA_LATC2);
-   ASSERT(dstXoffset % 4 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset % 4 == 0);
-   (void) dstZoffset;
 
    tempImage = _mesa_make_temp_float_image(ctx, dims,
 					   baseInternalFormat,
@@ -287,9 +260,7 @@ _mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS)
    if (!tempImage)
       return GL_FALSE; /* out of memory */
 
-   dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-						  dstFormat,
-						  texWidth, dstSlices[0]);
+   dst = (GLbyte *) dstSlices[0];
 
    blkaddr = dst;
    dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
diff --git a/mesalib/src/mesa/main/texcompress_s3tc.c b/mesalib/src/mesa/main/texcompress_s3tc.c
index ed7eae4f4..995e079fd 100644
--- a/mesalib/src/mesa/main/texcompress_s3tc.c
+++ b/mesalib/src/mesa/main/texcompress_s3tc.c
@@ -165,15 +165,10 @@ _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS)
 {
    const GLubyte *pixels;
    GLubyte *dst;
-   const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
    const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGB_DXT1 ||
           dstFormat == MESA_FORMAT_SRGB_DXT1);
-   ASSERT(dstXoffset % 4 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset % 4 == 0);
-   (void) dstZoffset;
 
    if (srcFormat != GL_RGB ||
        srcType != GL_UNSIGNED_BYTE ||
@@ -197,9 +192,7 @@ _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS)
                                      srcFormat, srcType, 0, 0);
    }
 
-   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-                                        dstFormat,
-                                        texWidth, dstSlices[0]);
+   dst = dstSlices[0];
 
    if (ext_tx_compress_dxtn) {
       (*ext_tx_compress_dxtn)(3, srcWidth, srcHeight, pixels,
@@ -225,15 +218,10 @@ _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS)
 {
    const GLubyte *pixels;
    GLubyte *dst;
-   const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
    const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT1 ||
           dstFormat == MESA_FORMAT_SRGBA_DXT1);
-   ASSERT(dstXoffset % 4 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset % 4 == 0);
-   (void) dstZoffset;
 
    if (srcFormat != GL_RGBA ||
        srcType != GL_UNSIGNED_BYTE ||
@@ -257,9 +245,8 @@ _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS)
                                      srcFormat, srcType, 0, 0);
    }
 
-   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-                                        dstFormat,
-                                        texWidth, dstSlices[0]);
+   dst = dstSlices[0];
+
    if (ext_tx_compress_dxtn) {
       (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
                               GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
@@ -284,15 +271,10 @@ _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS)
 {
    const GLubyte *pixels;
    GLubyte *dst;
-   const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
    const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT3 ||
           dstFormat == MESA_FORMAT_SRGBA_DXT3);
-   ASSERT(dstXoffset % 4 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset % 4 == 0);
-   (void) dstZoffset;
 
    if (srcFormat != GL_RGBA ||
        srcType != GL_UNSIGNED_BYTE ||
@@ -315,9 +297,8 @@ _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS)
                                      srcFormat, srcType, 0, 0);
    }
 
-   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-                                        dstFormat,
-                                        texWidth, dstSlices[0]);
+   dst = dstSlices[0];
+
    if (ext_tx_compress_dxtn) {
       (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
                               GL_COMPRESSED_RGBA_S3TC_DXT3_EXT,
@@ -342,15 +323,10 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
 {
    const GLubyte *pixels;
    GLubyte *dst;
-   const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
    const GLubyte *tempImage = NULL;
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT5 ||
           dstFormat == MESA_FORMAT_SRGBA_DXT5);
-   ASSERT(dstXoffset % 4 == 0);
-   ASSERT(dstYoffset % 4 == 0);
-   ASSERT(dstZoffset % 4 == 0);
-   (void) dstZoffset;
 
    if (srcFormat != GL_RGBA ||
        srcType != GL_UNSIGNED_BYTE ||
@@ -373,9 +349,8 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
                                      srcFormat, srcType, 0, 0);
    }
 
-   dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
-                                        dstFormat,
-                                        texWidth, dstSlices[0]);
+   dst = dstSlices[0];
+
    if (ext_tx_compress_dxtn) {
       (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
                               GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,
diff --git a/mesalib/src/mesa/main/texgetimage.c b/mesalib/src/mesa/main/texgetimage.c
index 738c18112..f848aa89d 100644
--- a/mesalib/src/mesa/main/texgetimage.c
+++ b/mesalib/src/mesa/main/texgetimage.c
@@ -603,10 +603,9 @@ _mesa_get_teximage(struct gl_context *ctx,
  * All error checking will have been done before this routine is called.
  */
 void
-_mesa_get_compressed_teximage(struct gl_context *ctx, GLenum target, GLint level,
-                              GLvoid *img,
-                              struct gl_texture_object *texObj,
-                              struct gl_texture_image *texImage)
+_mesa_get_compressed_teximage(struct gl_context *ctx,
+                              struct gl_texture_image *texImage,
+                              GLvoid *img)
 {
    const GLuint row_stride =
       _mesa_format_row_stride(texImage->TexFormat, texImage->Width);
@@ -981,8 +980,7 @@ _mesa_GetnCompressedTexImageARB(GLenum target, GLint level, GLsizei bufSize,
 
    _mesa_lock_texture(ctx, texObj);
    {
-      ctx->Driver.GetCompressedTexImage(ctx, target, level, img,
-                                        texObj, texImage);
+      ctx->Driver.GetCompressedTexImage(ctx, texImage, img);
    }
    _mesa_unlock_texture(ctx, texObj);
 }
diff --git a/mesalib/src/mesa/main/texgetimage.h b/mesalib/src/mesa/main/texgetimage.h
index 02b1cf459..cd8e76e7a 100644
--- a/mesalib/src/mesa/main/texgetimage.h
+++ b/mesalib/src/mesa/main/texgetimage.h
@@ -40,10 +40,9 @@ _mesa_get_teximage(struct gl_context *ctx,
 
 
 extern void
-_mesa_get_compressed_teximage(struct gl_context *ctx, GLenum target, GLint level,
-                              GLvoid *img,
-                              struct gl_texture_object *texObj,
-                              struct gl_texture_image *texImage);
+_mesa_get_compressed_teximage(struct gl_context *ctx,
+                              struct gl_texture_image *texImage,
+                              GLvoid *data);
 
 
 
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index 18a7b87c0..6dd70b96c 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -1059,7 +1059,6 @@ clear_teximage_fields(struct gl_texture_image *img)
  * Initialize basic fields of the gl_texture_image struct.
  *
  * \param ctx GL context.
- * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc).
  * \param img texture image structure to be initialized.
  * \param width image width.
  * \param height image height.
@@ -1072,7 +1071,7 @@ clear_teximage_fields(struct gl_texture_image *img)
  * Note: width, height and depth include the border.
  */
 void
-_mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
+_mesa_init_teximage_fields(struct gl_context *ctx,
                            struct gl_texture_image *img,
                            GLsizei width, GLsizei height, GLsizei depth,
                            GLint border, GLenum internalFormat,
@@ -2422,7 +2421,7 @@ teximage(struct gl_context *ctx, GLuint dims,
                                                            format, type);
 
          if (legal_texture_size(ctx, texFormat, width, height, depth)) {
-            _mesa_init_teximage_fields(ctx, target, texImage, width, height,
+            _mesa_init_teximage_fields(ctx, texImage, width, height,
                                        depth, border, internalFormat,
                                        texFormat);
          }
@@ -2473,7 +2472,7 @@ teximage(struct gl_context *ctx, GLuint dims,
                                                     type);
 
             if (legal_texture_size(ctx, texFormat, width, height, depth)) {
-               _mesa_init_teximage_fields(ctx, target, texImage,
+               _mesa_init_teximage_fields(ctx, texImage,
                                           width, height, depth,
                                           border, internalFormat, texFormat);
 
@@ -2481,22 +2480,19 @@ teximage(struct gl_context *ctx, GLuint dims,
                ASSERT(ctx->Driver.TexImage3D);
                switch (dims) {
                case 1:
-                  ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
+                  ctx->Driver.TexImage1D(ctx, texImage, internalFormat,
                                          width, border, format,
-                                         type, pixels, unpack, texObj,
-                                         texImage);
+                                         type, pixels, unpack);
                   break;
                case 2:
-                  ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
+                  ctx->Driver.TexImage2D(ctx, texImage, internalFormat,
                                          width, height, border, format,
-                                         type, pixels, unpack, texObj,
-                                         texImage);
+                                         type, pixels, unpack);
                   break;
                case 3:
-                  ctx->Driver.TexImage3D(ctx, target, level, internalFormat,
+                  ctx->Driver.TexImage3D(ctx, texImage, internalFormat,
                                          width, height, depth, border, format,
-                                         type, pixels, unpack, texObj,
-                                         texImage);
+                                         type, pixels, unpack);
                   break;
                default:
                   _mesa_problem(ctx, "invalid dims=%u in teximage()", dims);
@@ -2681,23 +2677,20 @@ texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
 
          switch (dims) {
          case 1:
-            ctx->Driver.TexSubImage1D(ctx, target, level,
+            ctx->Driver.TexSubImage1D(ctx, texImage,
                                       xoffset, width,
-                                      format, type, pixels,
-                                      &ctx->Unpack, texObj, texImage );
+                                      format, type, pixels, &ctx->Unpack);
             break;
          case 2:
-            ctx->Driver.TexSubImage2D(ctx, target, level,
+            ctx->Driver.TexSubImage2D(ctx, texImage,
                                       xoffset, yoffset, width, height,
-                                      format, type, pixels,
-                                      &ctx->Unpack, texObj, texImage );
+                                      format, type, pixels, &ctx->Unpack);
             break;
          case 3:
-            ctx->Driver.TexSubImage3D(ctx, target, level,
+            ctx->Driver.TexSubImage3D(ctx, texImage,
                                       xoffset, yoffset, zoffset,
                                       width, height, depth,
-                                      format, type, pixels,
-                                      &ctx->Unpack, texObj, texImage );
+                                      format, type, pixels, &ctx->Unpack);
             break;
          default:
             _mesa_problem(ctx, "unexpected dims in subteximage()");
@@ -2818,19 +2811,19 @@ copyteximage(struct gl_context *ctx, GLuint dims,
             /* Free old texture image */
             ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
 
-            _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
+            _mesa_init_teximage_fields(ctx, texImage, width, height, 1,
                                        border, internalFormat, texFormat);
 
             /* Allocate texture memory (no pixel data yet) */
             if (dims == 1) {
-               ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
+               ctx->Driver.TexImage1D(ctx, texImage, internalFormat,
                                       width, border, GL_NONE, GL_NONE, NULL,
-                                      &ctx->Unpack, texObj, texImage);
+                                      &ctx->Unpack);
             }
             else {
-               ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
+               ctx->Driver.TexImage2D(ctx, texImage, internalFormat,
                                       width, height, border, GL_NONE, GL_NONE,
-                                      NULL, &ctx->Unpack, texObj, texImage);
+                                      NULL, &ctx->Unpack);
             }
 
             if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY,
@@ -3410,7 +3403,7 @@ compressedteximage(struct gl_context *ctx, GLuint dims,
          }
          else {
             /* no error: store the teximage parameters */
-            _mesa_init_teximage_fields(ctx, target, texImage, width, height,
+            _mesa_init_teximage_fields(ctx, texImage, width, height,
                                        depth, border, internalFormat,
                                        MESA_FORMAT_NONE);
          }
@@ -3445,34 +3438,31 @@ compressedteximage(struct gl_context *ctx, GLuint dims,
                                                     GL_NONE);
 
             if (legal_texture_size(ctx, texFormat, width, height, depth)) {
-               _mesa_init_teximage_fields(ctx, target, texImage,
+               _mesa_init_teximage_fields(ctx, texImage,
                                           width, height, depth,
                                           border, internalFormat, texFormat);
 
                switch (dims) {
                case 1:
                   ASSERT(ctx->Driver.CompressedTexImage1D);
-                  ctx->Driver.CompressedTexImage1D(ctx, target, level,
+                  ctx->Driver.CompressedTexImage1D(ctx, texImage,
                                                    internalFormat,
                                                    width,
-                                                   border, imageSize, data,
-                                                   texObj, texImage);
+                                                   border, imageSize, data);
                   break;
                case 2:
                   ASSERT(ctx->Driver.CompressedTexImage2D);
-                  ctx->Driver.CompressedTexImage2D(ctx, target, level,
+                  ctx->Driver.CompressedTexImage2D(ctx, texImage,
                                                    internalFormat,
                                                    width, height,
-                                                   border, imageSize, data,
-                                                   texObj, texImage);
+                                                   border, imageSize, data);
                   break;
                case 3:
                   ASSERT(ctx->Driver.CompressedTexImage3D);
-                  ctx->Driver.CompressedTexImage3D(ctx, target, level,
+                  ctx->Driver.CompressedTexImage3D(ctx, texImage,
                                                    internalFormat,
                                                    width, height, depth,
-                                                   border, imageSize, data,
-                                                   texObj, texImage);
+                                                   border, imageSize, data);
                   break;
                default:
                   _mesa_problem(ctx, "bad dims in compressedteximage");
@@ -3570,28 +3560,25 @@ compressed_tex_sub_image(GLuint dims, GLenum target, GLint level,
          switch (dims) {
          case 1:
             if (ctx->Driver.CompressedTexSubImage1D) {
-               ctx->Driver.CompressedTexSubImage1D(ctx, target, level,
+               ctx->Driver.CompressedTexSubImage1D(ctx, texImage,
                                                    xoffset, width,
-                                                   format, imageSize, data,
-                                                   texObj, texImage);
+                                                   format, imageSize, data);
             }
             break;
          case 2:
             if (ctx->Driver.CompressedTexSubImage2D) {
-               ctx->Driver.CompressedTexSubImage2D(ctx, target, level,
+               ctx->Driver.CompressedTexSubImage2D(ctx, texImage,
                                                    xoffset, yoffset,
                                                    width, height,
-                                                   format, imageSize, data,
-                                                   texObj, texImage);
+                                                   format, imageSize, data);
             }
             break;
          case 3:
             if (ctx->Driver.CompressedTexSubImage3D) {
-               ctx->Driver.CompressedTexSubImage3D(ctx, target, level,
+               ctx->Driver.CompressedTexSubImage3D(ctx, texImage,
                                                    xoffset, yoffset, zoffset,
                                                    width, height, depth,
-                                                   format, imageSize, data,
-                                                   texObj, texImage);
+                                                   format, imageSize, data);
             }
             break;
          default:
diff --git a/mesalib/src/mesa/main/teximage.h b/mesalib/src/mesa/main/teximage.h
index 0354c9ac5..12af0e6d6 100644
--- a/mesalib/src/mesa/main/teximage.h
+++ b/mesalib/src/mesa/main/teximage.h
@@ -67,7 +67,7 @@ _mesa_delete_texture_image( struct gl_context *ctx,
 
 
 extern void
-_mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
+_mesa_init_teximage_fields(struct gl_context *ctx,
                            struct gl_texture_image *img,
                            GLsizei width, GLsizei height, GLsizei depth,
                            GLint border, GLenum internalFormat,
diff --git a/mesalib/src/mesa/main/texobj.c b/mesalib/src/mesa/main/texobj.c
index 8e447cabd..7ee200585 100644
--- a/mesalib/src/mesa/main/texobj.c
+++ b/mesalib/src/mesa/main/texobj.c
@@ -793,16 +793,16 @@ _mesa_get_fallback_texture(struct gl_context *ctx)
                                                   GL_UNSIGNED_BYTE);
 
       /* init the image fields */
-      _mesa_init_teximage_fields(ctx, GL_TEXTURE_2D, texImage,
+      _mesa_init_teximage_fields(ctx, texImage,
                                  8, 8, 1, 0, GL_RGBA, texFormat); 
 
       ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
 
       /* set image data */
-      ctx->Driver.TexImage2D(ctx, GL_TEXTURE_2D, 0, GL_RGBA,
+      ctx->Driver.TexImage2D(ctx, texImage, GL_RGBA,
                              8, 8, 0,
                              GL_RGBA, GL_UNSIGNED_BYTE, texels,
-                             &ctx->DefaultPacking, texObj, texImage);
+                             &ctx->DefaultPacking);
 
       _mesa_test_texobj_completeness(ctx, texObj);
       assert(texObj->_Complete);
diff --git a/mesalib/src/mesa/main/texstorage.c b/mesalib/src/mesa/main/texstorage.c
index 241a940cc..5e1f31a93 100644
--- a/mesalib/src/mesa/main/texstorage.c
+++ b/mesalib/src/mesa/main/texstorage.c
@@ -155,7 +155,7 @@ setup_texstorage(struct gl_context *ctx,
             return;
 	 }
 
-         _mesa_init_teximage_fields(ctx, target, texImage,
+         _mesa_init_teximage_fields(ctx, texImage,
                                     levelWidth, levelHeight, levelDepth,
                                     0, internalFormat, texFormat);
       }
@@ -180,7 +180,7 @@ setup_texstorage(struct gl_context *ctx,
             for (face = 0; face < numFaces; face++) {
                struct gl_texture_image *texImage = texObj->Image[face][level];
                if (texImage) {
-                  _mesa_init_teximage_fields(ctx, target, texImage,
+                  _mesa_init_teximage_fields(ctx, texImage,
                                              0, 0, 0, 0,
                                              GL_NONE, MESA_FORMAT_NONE);
                }
@@ -223,7 +223,7 @@ clear_image_fields(struct gl_context *ctx,
             return;
 	 }
 
-         _mesa_init_teximage_fields(ctx, target, texImage,
+         _mesa_init_teximage_fields(ctx, texImage,
                                     0, 0, 0, 0, GL_NONE, MESA_FORMAT_NONE);
       }
    }
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index 86c35d38f..512965fc3 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -851,7 +851,6 @@ _mesa_swizzle_ubyte_image(struct gl_context *ctx,
 			  const GLubyte *rgba2dst,
 			  GLuint dstComponents,
 
-			  GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
 			  GLint dstRowStride,
                           GLubyte **dstSlices,
 
@@ -896,9 +895,7 @@ _mesa_swizzle_ubyte_image(struct gl_context *ctx,
        srcRowStride == srcWidth * srcComponents &&
        dimensions < 3) {
       /* 1 and 2D images only */
-      GLubyte *dstImage = dstSlices[0]
-         + dstYoffset * dstRowStride
-         + dstXoffset * dstComponents;
+      GLubyte *dstImage = dstSlices[0];
       swizzle_copy(dstImage, dstComponents, srcImage, srcComponents, map, 
 		   srcWidth * srcHeight);
    }
@@ -906,9 +903,7 @@ _mesa_swizzle_ubyte_image(struct gl_context *ctx,
       GLint img, row;
       for (img = 0; img < srcDepth; img++) {
          const GLubyte *srcRow = srcImage;
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * dstComponents;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
 	    swizzle_copy(dstRow, dstComponents, srcRow, srcComponents, map, srcWidth);
             dstRow += dstRowStride;
@@ -929,7 +924,6 @@ static void
 memcpy_texture(struct gl_context *ctx,
 	       GLuint dimensions,
                gl_format dstFormat,
-               GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
                GLint dstRowStride,
                GLubyte **dstSlices,
                GLint srcWidth, GLint srcHeight, GLint srcDepth,
@@ -951,9 +945,7 @@ memcpy_texture(struct gl_context *ctx,
       /* memcpy image by image */
       GLint img;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstImage = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstImage = dstSlices[img];
          memcpy(dstImage, srcImage, bytesPerRow * srcHeight);
          srcImage += srcImageStride;
       }
@@ -963,9 +955,7 @@ memcpy_texture(struct gl_context *ctx,
       GLint img, row;
       for (img = 0; img < srcDepth; img++) {
          const GLubyte *srcRow = srcImage;
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             memcpy(dstRow, srcRow, bytesPerRow);
             dstRow += dstRowStride;
@@ -985,12 +975,11 @@ static GLboolean
 _mesa_texstore_z32(TEXSTORE_PARAMS)
 {
    const GLuint depthScale = 0xffffffff;
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    GLenum dstType;
    (void) dims;
    ASSERT(dstFormat == MESA_FORMAT_Z32 ||
           dstFormat == MESA_FORMAT_Z32_FLOAT);
-   ASSERT(texelBytes == sizeof(GLuint));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == sizeof(GLuint));
 
    if (dstFormat == MESA_FORMAT_Z32)
       dstType = GL_UNSIGNED_INT;
@@ -1005,7 +994,7 @@ _mesa_texstore_z32(TEXSTORE_PARAMS)
        srcType == dstType) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1014,9 +1003,7 @@ _mesa_texstore_z32(TEXSTORE_PARAMS)
       /* general path */
       GLint img, row;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             const GLvoid *src = _mesa_image_address(dims, srcPacking,
                 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
@@ -1038,7 +1025,6 @@ static GLboolean
 _mesa_texstore_x8_z24(TEXSTORE_PARAMS)
 {
    const GLuint depthScale = 0xffffff;
-   const GLuint texelBytes = 4;
 
    (void) dims;
    ASSERT(dstFormat == MESA_FORMAT_X8_Z24);
@@ -1047,9 +1033,7 @@ _mesa_texstore_x8_z24(TEXSTORE_PARAMS)
       /* general path */
       GLint img, row;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             const GLvoid *src = _mesa_image_address(dims, srcPacking,
                 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
@@ -1071,7 +1055,6 @@ static GLboolean
 _mesa_texstore_z24_x8(TEXSTORE_PARAMS)
 {
    const GLuint depthScale = 0xffffff;
-   const GLuint texelBytes = 4;
 
    (void) dims;
    ASSERT(dstFormat == MESA_FORMAT_Z24_X8);
@@ -1080,9 +1063,7 @@ _mesa_texstore_z24_x8(TEXSTORE_PARAMS)
       /* general path */
       GLint img, row;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             const GLvoid *src = _mesa_image_address(dims, srcPacking,
                 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
@@ -1108,10 +1089,9 @@ static GLboolean
 _mesa_texstore_z16(TEXSTORE_PARAMS)
 {
    const GLuint depthScale = 0xffff;
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    (void) dims;
    ASSERT(dstFormat == MESA_FORMAT_Z16);
-   ASSERT(texelBytes == sizeof(GLushort));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == sizeof(GLushort));
 
    if (ctx->Pixel.DepthScale == 1.0f &&
        ctx->Pixel.DepthBias == 0.0f &&
@@ -1121,7 +1101,7 @@ _mesa_texstore_z16(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_SHORT) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1130,9 +1110,7 @@ _mesa_texstore_z16(TEXSTORE_PARAMS)
       /* general path */
       GLint img, row;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             const GLvoid *src = _mesa_image_address(dims, srcPacking,
                 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
@@ -1154,12 +1132,11 @@ _mesa_texstore_z16(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgb565(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_RGB565 ||
           dstFormat == MESA_FORMAT_RGB565_REV);
-   ASSERT(texelBytes == 2);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 2);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -1169,7 +1146,7 @@ _mesa_texstore_rgb565(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_SHORT_5_6_5) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1186,9 +1163,7 @@ _mesa_texstore_rgb565(TEXSTORE_PARAMS)
       const GLubyte *src = (const GLubyte *)
          _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight,
                              srcFormat, srcType, 0, 0, 0);
-      GLubyte *dst = dstSlices[0]
-                   + dstYoffset * dstRowStride
-                   + dstXoffset * texelBytes;
+      GLubyte *dst = dstSlices[0];
       GLint row, col;
       for (row = 0; row < srcHeight; row++) {
          const GLubyte *srcUB = (const GLubyte *) src;
@@ -1223,9 +1198,7 @@ _mesa_texstore_rgb565(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLushort *dstUS = (GLushort *) dstRow;
             /* check for byteswapped format */
@@ -1261,14 +1234,13 @@ static GLboolean
 _mesa_texstore_rgba8888(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA8888 ||
           dstFormat == MESA_FORMAT_RGBA8888_REV ||
           dstFormat == MESA_FORMAT_RGBX8888 ||
           dstFormat == MESA_FORMAT_RGBX8888_REV);
-   ASSERT(texelBytes == 4);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 4);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -1281,7 +1253,7 @@ _mesa_texstore_rgba8888(TEXSTORE_PARAMS)
        (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && littleEndian))) {
        /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1297,7 +1269,7 @@ _mesa_texstore_rgba8888(TEXSTORE_PARAMS)
        (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && !littleEndian))) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1334,7 +1306,6 @@ _mesa_texstore_rgba8888(TEXSTORE_PARAMS)
 				srcType,
 				baseInternalFormat,
 				dstmap, 4,
-				dstXoffset, dstYoffset, dstZoffset,
 				dstRowStride, dstSlices,
 				srcWidth, srcHeight, srcDepth, srcAddr,
 				srcPacking);      
@@ -1352,9 +1323,7 @@ _mesa_texstore_rgba8888(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLuint *dstUI = (GLuint *) dstRow;
             if (dstFormat == MESA_FORMAT_RGBA8888 ||
@@ -1389,14 +1358,13 @@ static GLboolean
 _mesa_texstore_argb8888(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = GL_RGBA;
 
    ASSERT(dstFormat == MESA_FORMAT_ARGB8888 ||
           dstFormat == MESA_FORMAT_ARGB8888_REV ||
           dstFormat == MESA_FORMAT_XRGB8888 ||
           dstFormat == MESA_FORMAT_XRGB8888_REV );
-   ASSERT(texelBytes == 4);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 4);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -1408,7 +1376,7 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
         srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) {
       /* simple memcpy path (little endian) */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1423,7 +1391,7 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
         srcType == GL_UNSIGNED_INT_8_8_8_8)) {
       /* simple memcpy path (big endian) */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1442,9 +1410,7 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
             _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
          GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
                   srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLuint *d4 = (GLuint *) dstRow;
             for (col = 0; col < srcWidth; col++) {
@@ -1477,9 +1443,7 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
             _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
          GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
                   srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLuint *d4 = (GLuint *) dstRow;
             for (col = 0; col < srcWidth; col++) {
@@ -1529,7 +1493,6 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
 				srcType,
 				baseInternalFormat,
 				dstmap, 4,
-			        dstXoffset, dstYoffset, dstZoffset,
 				dstRowStride,
                                 dstSlices,
 				srcWidth, srcHeight, srcDepth, srcAddr,
@@ -1548,9 +1511,7 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLuint *dstUI = (GLuint *) dstRow;
             if (dstFormat == MESA_FORMAT_ARGB8888) {
@@ -1593,11 +1554,10 @@ static GLboolean
 _mesa_texstore_rgb888(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_RGB888);
-   ASSERT(texelBytes == 3);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 3);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -1607,7 +1567,7 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS)
        littleEndian) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1623,9 +1583,7 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS)
             _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
          GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
                   srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
                dstRow[col * 3 + 0] = srcRow[col * 4 + BCOMP];
@@ -1656,7 +1614,6 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS)
 				srcType,
 				baseInternalFormat,
 				dstmap, 3,
-				dstXoffset, dstYoffset, dstZoffset,
 				dstRowStride, dstSlices,
 				srcWidth, srcHeight, srcDepth, srcAddr,
 				srcPacking);      
@@ -1674,9 +1631,7 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
 #if 0
             if (littleEndian) {
@@ -1716,11 +1671,10 @@ static GLboolean
 _mesa_texstore_bgr888(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_BGR888);
-   ASSERT(texelBytes == 3);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 3);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -1730,7 +1684,7 @@ _mesa_texstore_bgr888(TEXSTORE_PARAMS)
        littleEndian) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1746,9 +1700,7 @@ _mesa_texstore_bgr888(TEXSTORE_PARAMS)
             _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
          GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
                   srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
                dstRow[col * 3 + 0] = srcRow[col * 4 + RCOMP];
@@ -1779,7 +1731,6 @@ _mesa_texstore_bgr888(TEXSTORE_PARAMS)
 				srcType,
 				baseInternalFormat,
 				dstmap, 3,
-				dstXoffset, dstYoffset, dstZoffset,
 				dstRowStride, dstSlices,
 				srcWidth, srcHeight, srcDepth, srcAddr,
 				srcPacking);      
@@ -1797,9 +1748,7 @@ _mesa_texstore_bgr888(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
                dstRow[col * 3 + 0] = src[RCOMP];
@@ -1819,12 +1768,11 @@ _mesa_texstore_bgr888(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_argb4444(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_ARGB4444 ||
           dstFormat == MESA_FORMAT_ARGB4444_REV);
-   ASSERT(texelBytes == 2);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 2);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -1834,7 +1782,7 @@ _mesa_texstore_argb4444(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1852,9 +1800,7 @@ _mesa_texstore_argb4444(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLushort *dstUS = (GLushort *) dstRow;
             if (dstFormat == MESA_FORMAT_ARGB4444) {
@@ -1886,11 +1832,10 @@ _mesa_texstore_argb4444(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba5551(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA5551);
-   ASSERT(texelBytes == 2);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 2);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -1900,7 +1845,7 @@ _mesa_texstore_rgba5551(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_SHORT_5_5_5_1) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1918,9 +1863,7 @@ _mesa_texstore_rgba5551(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLushort *dstUS = (GLushort *) dstRow;
 	    for (col = 0; col < srcWidth; col++) {
@@ -1941,12 +1884,11 @@ _mesa_texstore_rgba5551(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_argb1555(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_ARGB1555 ||
           dstFormat == MESA_FORMAT_ARGB1555_REV);
-   ASSERT(texelBytes == 2);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 2);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -1956,7 +1898,7 @@ _mesa_texstore_argb1555(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -1974,9 +1916,7 @@ _mesa_texstore_argb1555(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLushort *dstUS = (GLushort *) dstRow;
             if (dstFormat == MESA_FORMAT_ARGB1555) {
@@ -2009,11 +1949,10 @@ _mesa_texstore_argb1555(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_argb2101010(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_ARGB2101010);
-   ASSERT(texelBytes == 4);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 4);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2023,7 +1962,7 @@ _mesa_texstore_argb2101010(TEXSTORE_PARAMS)
        baseInternalFormat == GL_RGBA) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2042,9 +1981,7 @@ _mesa_texstore_argb2101010(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          if (baseInternalFormat == GL_RGBA) {
             for (row = 0; row < srcHeight; row++) {
                GLuint *dstUI = (GLuint *) dstRow;
@@ -2090,11 +2027,10 @@ _mesa_texstore_argb2101010(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_unorm44(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_AL44);
-   ASSERT(texelBytes == 1);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 1);
 
    {
       /* general path */
@@ -2109,9 +2045,7 @@ _mesa_texstore_unorm44(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLubyte *dstUS = (GLubyte *) dstRow;
             for (col = 0; col < srcWidth; col++) {
@@ -2136,14 +2070,13 @@ static GLboolean
 _mesa_texstore_unorm88(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_AL88 ||
           dstFormat == MESA_FORMAT_AL88_REV ||
           dstFormat == MESA_FORMAT_GR88 ||
           dstFormat == MESA_FORMAT_RG88);
-   ASSERT(texelBytes == 2);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 2);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2156,7 +2089,7 @@ _mesa_texstore_unorm88(TEXSTORE_PARAMS)
        littleEndian) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2200,7 +2133,6 @@ _mesa_texstore_unorm88(TEXSTORE_PARAMS)
 				srcType,
 				baseInternalFormat,
 				dstmap, 2,
-				dstXoffset, dstYoffset, dstZoffset,
 				dstRowStride, dstSlices,
 				srcWidth, srcHeight, srcDepth, srcAddr,
 				srcPacking);      
@@ -2218,9 +2150,7 @@ _mesa_texstore_unorm88(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLushort *dstUS = (GLushort *) dstRow;
             if (dstFormat == MESA_FORMAT_AL88 ||
@@ -2256,14 +2186,13 @@ static GLboolean
 _mesa_texstore_unorm1616(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_AL1616 ||
           dstFormat == MESA_FORMAT_AL1616_REV ||
 	  dstFormat == MESA_FORMAT_RG1616 ||
           dstFormat == MESA_FORMAT_RG1616_REV);
-   ASSERT(texelBytes == 4);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 4);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2276,7 +2205,7 @@ _mesa_texstore_unorm1616(TEXSTORE_PARAMS)
        littleEndian) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2295,9 +2224,7 @@ _mesa_texstore_unorm1616(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLuint *dstUI = (GLuint *) dstRow;
             if (dstFormat == MESA_FORMAT_AL1616 ||
@@ -2335,14 +2262,13 @@ static GLboolean
 _mesa_texstore_unorm16(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_R16 ||
           dstFormat == MESA_FORMAT_A16 ||
           dstFormat == MESA_FORMAT_L16 ||
           dstFormat == MESA_FORMAT_I16);
-   ASSERT(texelBytes == 2);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 2);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2351,7 +2277,7 @@ _mesa_texstore_unorm16(TEXSTORE_PARAMS)
        littleEndian) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2370,9 +2296,7 @@ _mesa_texstore_unorm16(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLushort *dstUS = (GLushort *) dstRow;
 	    for (col = 0; col < srcWidth; col++) {
@@ -2394,11 +2318,10 @@ _mesa_texstore_unorm16(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba_16(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_RGBA_16);
-   ASSERT(texelBytes == 8);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 8);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2407,7 +2330,7 @@ _mesa_texstore_rgba_16(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_SHORT) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2426,9 +2349,7 @@ _mesa_texstore_rgba_16(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLushort *dstUS = (GLushort *) dstRow;
             for (col = 0; col < srcWidth; col++) {
@@ -2456,7 +2377,6 @@ _mesa_texstore_rgba_16(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGB_16 ||
@@ -2470,7 +2390,7 @@ _mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS)
        srcType == GL_SHORT) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2495,9 +2415,7 @@ _mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS)
        * 3 or 4 components/pixel here.
        */
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLshort *dstRowS = (GLshort *) dstRow;
             if (dstFormat == MESA_FORMAT_SIGNED_RGBA_16) {
@@ -2534,11 +2452,10 @@ _mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgb332(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_RGB332);
-   ASSERT(texelBytes == 1);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 1);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2546,7 +2463,7 @@ _mesa_texstore_rgb332(TEXSTORE_PARAMS)
        srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE_3_3_2) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2564,9 +2481,7 @@ _mesa_texstore_rgb332(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
                dstRow[col] = PACK_COLOR_332( src[RCOMP],
@@ -2589,14 +2504,13 @@ _mesa_texstore_rgb332(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_unorm8(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_A8 ||
           dstFormat == MESA_FORMAT_L8 ||
           dstFormat == MESA_FORMAT_I8 ||
           dstFormat == MESA_FORMAT_R8);
-   ASSERT(texelBytes == 1);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 1);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2604,7 +2518,7 @@ _mesa_texstore_unorm8(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_BYTE) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2632,7 +2546,6 @@ _mesa_texstore_unorm8(TEXSTORE_PARAMS)
 				srcType,
 				baseInternalFormat,
 				dstmap, 1,
-				dstXoffset, dstYoffset, dstZoffset,
 				dstRowStride, dstSlices,
 				srcWidth, srcHeight, srcDepth, srcAddr,
 				srcPacking);      
@@ -2650,9 +2563,7 @@ _mesa_texstore_unorm8(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
                dstRow[col] = src[col];
@@ -2675,13 +2586,12 @@ static GLboolean
 _mesa_texstore_ycbcr(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
 
    (void) ctx; (void) dims; (void) baseInternalFormat;
 
    ASSERT((dstFormat == MESA_FORMAT_YCBCR) ||
           (dstFormat == MESA_FORMAT_YCBCR_REV));
-   ASSERT(texelBytes == 2);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 2);
    ASSERT(ctx->Extensions.MESA_ycbcr_texture);
    ASSERT(srcFormat == GL_YCBCR_MESA);
    ASSERT((srcType == GL_UNSIGNED_SHORT_8_8_MESA) ||
@@ -2690,7 +2600,7 @@ _mesa_texstore_ycbcr(TEXSTORE_PARAMS)
 
    /* always just memcpy since no pixel transfer ops apply */
    memcpy_texture(ctx, dims,
-                  dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                  dstFormat,
                   dstRowStride, dstSlices,
                   srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                   srcAddr, srcPacking);
@@ -2703,9 +2613,7 @@ _mesa_texstore_ycbcr(TEXSTORE_PARAMS)
        !littleEndian) {
       GLint img, row;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             _mesa_swap2((GLushort *) dstRow, srcWidth);
             dstRow += dstRowStride;
@@ -2732,7 +2640,7 @@ _mesa_texstore_dudv8(TEXSTORE_PARAMS)
        littleEndian) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2758,7 +2666,6 @@ _mesa_texstore_dudv8(TEXSTORE_PARAMS)
 				GL_UNSIGNED_BYTE, /* hack */
 				GL_LUMINANCE_ALPHA, /* hack */
 				dstmap, 2,
-				dstXoffset, dstYoffset, dstZoffset,
 				dstRowStride, dstSlices,
 				srcWidth, srcHeight, srcDepth, srcAddr,
 				srcPacking);      
@@ -2791,9 +2698,7 @@ _mesa_texstore_dudv8(TEXSTORE_PARAMS)
       }
  
       src = tempImage;
-      dst = (GLbyte *) dstSlices[0]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+      dst = (GLbyte *) dstSlices[0];
       for (row = 0; row < srcHeight; row++) {
          memcpy(dst, src, srcWidth * texelBytes);
          dst += dstRowStride;
@@ -2811,14 +2716,13 @@ _mesa_texstore_dudv8(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_snorm8(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_SIGNED_A8 ||
           dstFormat == MESA_FORMAT_SIGNED_L8 ||
           dstFormat == MESA_FORMAT_SIGNED_I8 ||
           dstFormat == MESA_FORMAT_SIGNED_R8);
-   ASSERT(texelBytes == 1);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 1);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2826,7 +2730,7 @@ _mesa_texstore_snorm8(TEXSTORE_PARAMS)
        srcType == GL_BYTE) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2845,9 +2749,7 @@ _mesa_texstore_snorm8(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLbyte *dstRow = (GLbyte *) dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLbyte *dstRow = (GLbyte *) dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             for (col = 0; col < srcWidth; col++) {
                dstRow[col] = FLOAT_TO_BYTE_TEX(src[col]);
@@ -2869,12 +2771,11 @@ static GLboolean
 _mesa_texstore_snorm88(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_SIGNED_AL88 ||
           dstFormat == MESA_FORMAT_SIGNED_RG88_REV);
-   ASSERT(texelBytes == 2);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 2);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2883,7 +2784,7 @@ _mesa_texstore_snorm88(TEXSTORE_PARAMS)
        littleEndian) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2902,9 +2803,7 @@ _mesa_texstore_snorm88(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLbyte *dstRow = (GLbyte *) dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLbyte *dstRow = (GLbyte *) dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLbyte *dst = dstRow;
             for (col = 0; col < srcWidth; col++) {
@@ -2926,14 +2825,13 @@ static GLboolean
 _mesa_texstore_snorm16(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_SIGNED_R16 ||
           dstFormat == MESA_FORMAT_SIGNED_A16 ||
           dstFormat == MESA_FORMAT_SIGNED_L16 ||
           dstFormat == MESA_FORMAT_SIGNED_I16);
-   ASSERT(texelBytes == 2);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 2);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -2942,7 +2840,7 @@ _mesa_texstore_snorm16(TEXSTORE_PARAMS)
        littleEndian) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -2961,9 +2859,7 @@ _mesa_texstore_snorm16(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLshort *dstUS = (GLshort *) dstRow;
 	    for (col = 0; col < srcWidth; col++) {
@@ -2988,12 +2884,11 @@ static GLboolean
 _mesa_texstore_snorm1616(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_SIGNED_AL1616 ||
           dstFormat == MESA_FORMAT_SIGNED_GR1616);
-   ASSERT(texelBytes == 4);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 4);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -3002,7 +2897,7 @@ _mesa_texstore_snorm1616(TEXSTORE_PARAMS)
        littleEndian) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3021,9 +2916,7 @@ _mesa_texstore_snorm1616(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLshort *dst = (GLshort *) dstRow;
             for (col = 0; col < srcWidth; col++) {
@@ -3050,11 +2943,10 @@ _mesa_texstore_snorm1616(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBX8888);
-   ASSERT(texelBytes == 4);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 4);
 
    {
       /* general path */
@@ -3070,9 +2962,7 @@ _mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLbyte *dstRow = (GLbyte *) dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLbyte *dstRow = (GLbyte *) dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLbyte *dst = dstRow;
             for (col = 0; col < srcWidth; col++) {
@@ -3101,12 +2991,11 @@ static GLboolean
 _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
 {
    const GLboolean littleEndian = _mesa_little_endian();
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBA8888 ||
           dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV);
-   ASSERT(texelBytes == 4);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 4);
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -3116,7 +3005,7 @@ _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
        (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && littleEndian))) {
        /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3129,7 +3018,7 @@ _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
        (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && !littleEndian))) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3148,9 +3037,7 @@ _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLbyte *dstRow = (GLbyte *) dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLbyte *dstRow = (GLbyte *) dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLbyte *dst = dstRow;
             if (dstFormat == MESA_FORMAT_SIGNED_RGBA8888) {
@@ -3204,7 +3091,7 @@ _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
        !srcPacking->SwapBytes) {
       /* simple path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3213,9 +3100,7 @@ _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
             srcFormat == GL_STENCIL_INDEX) {
       /* In case we only upload depth we need to preserve the stencil */
       for (img = 0; img < srcDepth; img++) {
-	 GLuint *dstRow = (GLuint *) (dstSlices[dstZoffset + img]
-                                      + dstYoffset * dstRowStride
-                                      + dstXoffset * 4);
+	 GLuint *dstRow = (GLuint *) dstSlices[img];
          const GLubyte *src
             = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
                   srcWidth, srcHeight,
@@ -3285,9 +3170,7 @@ _mesa_texstore_s8_z24(TEXSTORE_PARAMS)
           srcType == GL_UNSIGNED_INT_24_8_EXT);
 
    for (img = 0; img < srcDepth; img++) {
-      GLuint *dstRow = (GLuint *) (dstSlices[dstZoffset + img]
-                                   + dstYoffset * dstRowStride
-                                   + dstXoffset * 4);
+      GLuint *dstRow = (GLuint *) dstSlices[img];
       const GLubyte *src
 	 = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
 						srcWidth, srcHeight,
@@ -3353,7 +3236,7 @@ _mesa_texstore_s8(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_BYTE) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3364,9 +3247,7 @@ _mesa_texstore_s8(TEXSTORE_PARAMS)
       GLint img, row;
       
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride / sizeof(GLuint)
-            + dstXoffset;
+         GLubyte *dstRow = dstSlices[img];
          const GLubyte *src
             = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
                                                    srcWidth, srcHeight,
@@ -3409,7 +3290,6 @@ _mesa_texstore_s8(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
    const GLint components = _mesa_components_in_format(baseFormat);
 
@@ -3429,7 +3309,7 @@ _mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
           baseInternalFormat == GL_INTENSITY ||
           baseInternalFormat == GL_RED ||
           baseInternalFormat == GL_RG);
-   ASSERT(texelBytes == components * sizeof(GLfloat));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == components * sizeof(GLfloat));
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -3438,7 +3318,7 @@ _mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
        srcType == GL_FLOAT) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3459,9 +3339,7 @@ _mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
          return GL_FALSE;
       bytesPerRow = srcWidth * components * sizeof(GLfloat);
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             memcpy(dstRow, srcRow, bytesPerRow);
             dstRow += dstRowStride;
@@ -3482,7 +3360,6 @@ _mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
    const GLint components = _mesa_components_in_format(baseFormat);
 
@@ -3502,7 +3379,7 @@ _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
           baseInternalFormat == GL_INTENSITY ||
           baseInternalFormat == GL_RED ||
           baseInternalFormat == GL_RG);
-   ASSERT(texelBytes == components * sizeof(GLhalfARB));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == components * sizeof(GLhalfARB));
 
    if (!ctx->_ImageTransferState &&
        !srcPacking->SwapBytes &&
@@ -3511,7 +3388,7 @@ _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
        srcType == GL_HALF_FLOAT_ARB) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3530,9 +3407,7 @@ _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLhalfARB *dstTexel = (GLhalfARB *) dstRow;
             GLint i;
@@ -3554,7 +3429,6 @@ _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
    const GLint components = _mesa_components_in_format(baseFormat);
 
@@ -3574,7 +3448,7 @@ _mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
           baseInternalFormat == GL_LUMINANCE ||
           baseInternalFormat == GL_LUMINANCE_ALPHA ||
           baseInternalFormat == GL_INTENSITY);
-   ASSERT(texelBytes == components * sizeof(GLbyte));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == components * sizeof(GLbyte));
 
    /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
     * to integer formats.
@@ -3584,7 +3458,7 @@ _mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
        srcType == GL_BYTE) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3602,9 +3476,7 @@ _mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLbyte *dstTexel = (GLbyte *) dstRow;
             GLint i;
@@ -3626,7 +3498,6 @@ _mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
    const GLint components = _mesa_components_in_format(baseFormat);
 
@@ -3646,7 +3517,7 @@ _mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
           baseInternalFormat == GL_LUMINANCE ||
           baseInternalFormat == GL_LUMINANCE_ALPHA ||
           baseInternalFormat == GL_INTENSITY);
-   ASSERT(texelBytes == components * sizeof(GLshort));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == components * sizeof(GLshort));
 
    /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
     * to integer formats.
@@ -3656,7 +3527,7 @@ _mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
        srcType == GL_SHORT) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3674,9 +3545,7 @@ _mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLshort *dstTexel = (GLshort *) dstRow;
             GLint i;
@@ -3698,7 +3567,6 @@ _mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
    const GLint components = _mesa_components_in_format(baseFormat);
 
@@ -3718,7 +3586,7 @@ _mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
           baseInternalFormat == GL_LUMINANCE ||
           baseInternalFormat == GL_LUMINANCE_ALPHA ||
           baseInternalFormat == GL_INTENSITY);
-   ASSERT(texelBytes == components * sizeof(GLint));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == components * sizeof(GLint));
 
    /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
     * to integer formats.
@@ -3728,7 +3596,7 @@ _mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
        srcType == GL_INT) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3746,9 +3614,7 @@ _mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLint *dstTexel = (GLint *) dstRow;
             GLint i;
@@ -3770,7 +3636,6 @@ _mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
    const GLint components = _mesa_components_in_format(baseFormat);
 
@@ -3790,7 +3655,7 @@ _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
           baseInternalFormat == GL_LUMINANCE ||
           baseInternalFormat == GL_LUMINANCE_ALPHA ||
           baseInternalFormat == GL_INTENSITY);
-   ASSERT(texelBytes == components * sizeof(GLubyte));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == components * sizeof(GLubyte));
 
    /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
     * to integer formats.
@@ -3800,7 +3665,7 @@ _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_BYTE) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3816,9 +3681,7 @@ _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLubyte *dstTexel = (GLubyte *) dstRow;
             GLint i;
@@ -3840,7 +3703,6 @@ _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
    const GLint components = _mesa_components_in_format(baseFormat);
 
@@ -3860,7 +3722,7 @@ _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
           baseInternalFormat == GL_LUMINANCE ||
           baseInternalFormat == GL_LUMINANCE_ALPHA ||
           baseInternalFormat == GL_INTENSITY);
-   ASSERT(texelBytes == components * sizeof(GLushort));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == components * sizeof(GLushort));
 
    /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
     * to integer formats.
@@ -3870,7 +3732,7 @@ _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_SHORT) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3886,9 +3748,7 @@ _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLushort *dstTexel = (GLushort *) dstRow;
             GLint i;
@@ -3910,7 +3770,6 @@ _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
    const GLint components = _mesa_components_in_format(baseFormat);
 
@@ -3930,7 +3789,7 @@ _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
           baseInternalFormat == GL_LUMINANCE ||
           baseInternalFormat == GL_LUMINANCE_ALPHA ||
           baseInternalFormat == GL_INTENSITY);
-   ASSERT(texelBytes == components * sizeof(GLuint));
+   ASSERT(_mesa_get_format_bytes(dstFormat) == components * sizeof(GLuint));
 
    /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
     * to integer formats.
@@ -3940,7 +3799,7 @@ _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_INT) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -3956,9 +3815,7 @@ _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLuint *dstTexel = (GLuint *) dstRow;
             GLint i;
@@ -3992,7 +3849,6 @@ _mesa_texstore_srgb8(TEXSTORE_PARAMS)
 
    k = _mesa_texstore_rgb888(ctx, dims, baseInternalFormat,
                              newDstFormat,
-                             dstXoffset, dstYoffset, dstZoffset,
                              dstRowStride, dstSlices,
                              srcWidth, srcHeight, srcDepth,
                              srcFormat, srcType,
@@ -4013,7 +3869,6 @@ _mesa_texstore_srgba8(TEXSTORE_PARAMS)
    newDstFormat = MESA_FORMAT_RGBA8888;
    k = _mesa_texstore_rgba8888(ctx, dims, baseInternalFormat,
                                newDstFormat,
-                               dstXoffset, dstYoffset, dstZoffset,
                                dstRowStride, dstSlices,
                                srcWidth, srcHeight, srcDepth,
                                srcFormat, srcType,
@@ -4035,7 +3890,6 @@ _mesa_texstore_sargb8(TEXSTORE_PARAMS)
 
    k = _mesa_texstore_argb8888(ctx, dims, baseInternalFormat,
                                newDstFormat,
-                               dstXoffset, dstYoffset, dstZoffset,
                                dstRowStride, dstSlices,
                                srcWidth, srcHeight, srcDepth,
                                srcFormat, srcType,
@@ -4057,7 +3911,6 @@ _mesa_texstore_sl8(TEXSTORE_PARAMS)
    /* _mesa_textore_a8 handles luminance8 too */
    k = _mesa_texstore_unorm8(ctx, dims, baseInternalFormat,
                              newDstFormat,
-                             dstXoffset, dstYoffset, dstZoffset,
                              dstRowStride, dstSlices,
                              srcWidth, srcHeight, srcDepth,
                              srcFormat, srcType,
@@ -4079,7 +3932,6 @@ _mesa_texstore_sla8(TEXSTORE_PARAMS)
 
    k = _mesa_texstore_unorm88(ctx, dims, baseInternalFormat,
 			      newDstFormat,
-			      dstXoffset, dstYoffset, dstZoffset,
 			      dstRowStride, dstSlices,
 			      srcWidth, srcHeight, srcDepth,
 			      srcFormat, srcType,
@@ -4112,7 +3964,7 @@ _mesa_texstore_rgb9_e5(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_INT_5_9_9_9_REV) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -4131,9 +3983,7 @@ _mesa_texstore_rgb9_e5(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * 4;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLuint *dstUI = (GLuint*)dstRow;
             for (col = 0; col < srcWidth; col++) {
@@ -4163,7 +4013,7 @@ _mesa_texstore_r11_g11_b10f(TEXSTORE_PARAMS)
        srcType == GL_UNSIGNED_INT_10F_11F_11F_REV) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -4182,9 +4032,7 @@ _mesa_texstore_r11_g11_b10f(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * 4;
+         GLubyte *dstRow = dstSlices[img];
          for (row = 0; row < srcHeight; row++) {
             GLuint *dstUI = (GLuint*)dstRow;
             for (col = 0; col < srcWidth; col++) {
@@ -4217,7 +4065,7 @@ _mesa_texstore_z32f_x24s8(TEXSTORE_PARAMS)
        !srcPacking->SwapBytes) {
       /* simple path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -4231,9 +4079,7 @@ _mesa_texstore_z32f_x24s8(TEXSTORE_PARAMS)
 
       /* In case we only upload depth we need to preserve the stencil */
       for (img = 0; img < srcDepth; img++) {
-         uint64_t *dstRow = (uint64_t *) (dstSlices[dstZoffset + img]
-                                          + dstYoffset * dstRowStride
-                                          + dstXoffset * 8);
+         uint64_t *dstRow = (uint64_t *) dstSlices[img];
          const uint64_t *src
             = (const uint64_t *) _mesa_image_address(dims, srcPacking, srcAddr,
                   srcWidth, srcHeight,
@@ -4268,11 +4114,10 @@ _mesa_texstore_z32f_x24s8(TEXSTORE_PARAMS)
 static GLboolean
 _mesa_texstore_argb2101010_uint(TEXSTORE_PARAMS)
 {
-   const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
    const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
 
    ASSERT(dstFormat == MESA_FORMAT_ARGB2101010_UINT);
-   ASSERT(texelBytes == 4);
+   ASSERT(_mesa_get_format_bytes(dstFormat) == 4);
 
    if (!srcPacking->SwapBytes &&
        dstFormat == MESA_FORMAT_ARGB2101010_UINT &&
@@ -4281,7 +4126,7 @@ _mesa_texstore_argb2101010_uint(TEXSTORE_PARAMS)
        baseInternalFormat == GL_RGBA) {
       /* simple memcpy path */
       memcpy_texture(ctx, dims,
-                     dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                     dstFormat,
                      dstRowStride, dstSlices,
                      srcWidth, srcHeight, srcDepth, srcFormat, srcType,
                      srcAddr, srcPacking);
@@ -4300,9 +4145,7 @@ _mesa_texstore_argb2101010_uint(TEXSTORE_PARAMS)
       if (!tempImage)
          return GL_FALSE;
       for (img = 0; img < srcDepth; img++) {
-         GLubyte *dstRow = dstSlices[dstZoffset + img]
-            + dstYoffset * dstRowStride
-            + dstXoffset * texelBytes;
+         GLubyte *dstRow = dstSlices[img];
 
          for (row = 0; row < srcHeight; row++) {
             GLuint *dstUI = (GLuint *) dstRow;
@@ -4329,7 +4172,6 @@ _mesa_texstore_null(TEXSTORE_PARAMS)
    (void) ctx; (void) dims;
    (void) baseInternalFormat;
    (void) dstFormat;
-   (void) dstXoffset; (void) dstYoffset; (void) dstZoffset;
    (void) dstRowStride; (void) dstSlices,
    (void) srcWidth; (void) srcHeight; (void) srcDepth;
    (void) srcFormat; (void) srcType;
@@ -4539,7 +4381,7 @@ _mesa_texstore(TEXSTORE_PARAMS)
    storeImage = _mesa_get_texstore_func(dstFormat);
 
    success = storeImage(ctx, dims, baseInternalFormat,
-                        dstFormat, dstXoffset, dstYoffset, dstZoffset,
+                        dstFormat,
                         dstRowStride, dstSlices,
                         srcWidth, srcHeight, srcDepth,
                         srcFormat, srcType, srcAddr, srcPacking);
@@ -4671,7 +4513,6 @@ store_texsubimage(struct gl_context *ctx,
           */
          success = _mesa_texstore(ctx, dims, texImage->_BaseFormat,
                                   texImage->TexFormat,
-                                  0, 0, 0,  /* dstX/Y/Zoffset */
                                   dstRowStride,
                                   &dstMap,
                                   width, height, 1,  /* w, h, d */
@@ -4698,13 +4539,12 @@ store_texsubimage(struct gl_context *ctx,
  * This is the fallback for Driver.TexImage1D().
  */
 void
-_mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_teximage1d(struct gl_context *ctx,
+                       struct gl_texture_image *texImage,
                        GLint internalFormat,
                        GLint width, GLint border,
                        GLenum format, GLenum type, const GLvoid *pixels,
-                       const struct gl_pixelstore_attrib *packing,
-                       struct gl_texture_object *texObj,
-                       struct gl_texture_image *texImage)
+                       const struct gl_pixelstore_attrib *packing)
 {
    if (width == 0)
       return;
@@ -4726,13 +4566,12 @@ _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
  * This is the fallback for Driver.TexImage2D().
  */
 void
-_mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_teximage2d(struct gl_context *ctx,
+                       struct gl_texture_image *texImage,
                        GLint internalFormat,
                        GLint width, GLint height, GLint border,
                        GLenum format, GLenum type, const void *pixels,
-                       const struct gl_pixelstore_attrib *packing,
-                       struct gl_texture_object *texObj,
-                       struct gl_texture_image *texImage)
+                       const struct gl_pixelstore_attrib *packing)
 {
    if (width == 0 || height == 0)
       return;
@@ -4755,13 +4594,12 @@ _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
  * This is the fallback for Driver.TexImage3D().
  */
 void
-_mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_teximage3d(struct gl_context *ctx,
+                       struct gl_texture_image *texImage,
                        GLint internalFormat,
                        GLint width, GLint height, GLint depth, GLint border,
                        GLenum format, GLenum type, const void *pixels,
-                       const struct gl_pixelstore_attrib *packing,
-                       struct gl_texture_object *texObj,
-                       struct gl_texture_image *texImage)
+                       const struct gl_pixelstore_attrib *packing)
 {
    if (width == 0 || height == 0 || depth == 0)
       return;
@@ -4785,12 +4623,11 @@ _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
  * This is the fallback for Driver.TexSubImage1D().
  */
 void
-_mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_texsubimage1d(struct gl_context *ctx,
+                          struct gl_texture_image *texImage,
                           GLint xoffset, GLint width,
                           GLenum format, GLenum type, const void *pixels,
-                          const struct gl_pixelstore_attrib *packing,
-                          struct gl_texture_object *texObj,
-                          struct gl_texture_image *texImage)
+                          const struct gl_pixelstore_attrib *packing)
 {
    store_texsubimage(ctx, texImage,
                      xoffset, 0, 0, width, 1, 1,
@@ -4803,13 +4640,12 @@ _mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
  * This is the fallback for Driver.TexSubImage2D().
  */
 void
-_mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_texsubimage2d(struct gl_context *ctx,
+                          struct gl_texture_image *texImage,
                           GLint xoffset, GLint yoffset,
                           GLint width, GLint height,
                           GLenum format, GLenum type, const void *pixels,
-                          const struct gl_pixelstore_attrib *packing,
-                          struct gl_texture_object *texObj,
-                          struct gl_texture_image *texImage)
+                          const struct gl_pixelstore_attrib *packing)
 {
    store_texsubimage(ctx, texImage,
                      xoffset, yoffset, 0, width, height, 1,
@@ -4821,13 +4657,12 @@ _mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
  * This is the fallback for Driver.TexSubImage3D().
  */
 void
-_mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_texsubimage3d(struct gl_context *ctx,
+                          struct gl_texture_image *texImage,
                           GLint xoffset, GLint yoffset, GLint zoffset,
                           GLint width, GLint height, GLint depth,
                           GLenum format, GLenum type, const void *pixels,
-                          const struct gl_pixelstore_attrib *packing,
-                          struct gl_texture_object *texObj,
-                          struct gl_texture_image *texImage)
+                          const struct gl_pixelstore_attrib *packing)
 {
    store_texsubimage(ctx, texImage,
                      xoffset, yoffset, zoffset, width, height, depth,
@@ -4840,20 +4675,16 @@ _mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
  */
 void
 _mesa_store_compressed_teximage1d(struct gl_context *ctx,
-                                  GLenum target, GLint level,
+                                  struct gl_texture_image *texImage,
                                   GLint internalFormat,
                                   GLint width, GLint border,
-                                  GLsizei imageSize, const GLvoid *data,
-                                  struct gl_texture_object *texObj,
-                                  struct gl_texture_image *texImage)
+                                  GLsizei imageSize, const GLvoid *data)
 {
-   /* this space intentionally left blank */
+   /* no compressed 1D image formats at this time */
    (void) ctx;
-   (void) target; (void) level;
    (void) internalFormat;
    (void) width; (void) border;
    (void) imageSize; (void) data;
-   (void) texObj;
    (void) texImage;
 }
 
@@ -4864,18 +4695,15 @@ _mesa_store_compressed_teximage1d(struct gl_context *ctx,
  */
 void
 _mesa_store_compressed_teximage2d(struct gl_context *ctx,
-                                  GLenum target, GLint level,
+                                  struct gl_texture_image *texImage,
                                   GLint internalFormat,
                                   GLint width, GLint height, GLint border,
-                                  GLsizei imageSize, const GLvoid *data,
-                                  struct gl_texture_object *texObj,
-                                  struct gl_texture_image *texImage)
+                                  GLsizei imageSize, const GLvoid *data)
 {
    /* This is pretty simple, because unlike the general texstore path we don't
     * have to worry about the usual image unpacking or image transfer
     * operations.
     */
-   ASSERT(texObj);
    ASSERT(texImage);
    ASSERT(texImage->Width > 0);
    ASSERT(texImage->Height > 0);
@@ -4888,12 +4716,11 @@ _mesa_store_compressed_teximage2d(struct gl_context *ctx,
       return;
    }
 
-   _mesa_store_compressed_texsubimage2d(ctx, target, level,
+   _mesa_store_compressed_texsubimage2d(ctx, texImage,
 					0, 0,
 					width, height,
 					texImage->TexFormat,
-					imageSize, data,
-					texObj, texImage);
+					imageSize, data);
 }
 
 
@@ -4903,22 +4730,18 @@ _mesa_store_compressed_teximage2d(struct gl_context *ctx,
  */
 void
 _mesa_store_compressed_teximage3d(struct gl_context *ctx,
-                                  GLenum target, GLint level,
+                                  struct gl_texture_image *texImage,
                                   GLint internalFormat,
                                   GLint width, GLint height, GLint depth,
                                   GLint border,
-                                  GLsizei imageSize, const GLvoid *data,
-                                  struct gl_texture_object *texObj,
-                                  struct gl_texture_image *texImage)
+                                  GLsizei imageSize, const GLvoid *data)
 {
    /* this space intentionally left blank */
    (void) ctx;
-   (void) target; (void) level;
    (void) internalFormat;
    (void) width; (void) height; (void) depth;
    (void) border;
    (void) imageSize; (void) data;
-   (void) texObj;
    (void) texImage;
 }
 
@@ -4928,21 +4751,17 @@ _mesa_store_compressed_teximage3d(struct gl_context *ctx,
  * Fallback for Driver.CompressedTexSubImage1D()
  */
 void
-_mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
-                                     GLint level,
+_mesa_store_compressed_texsubimage1d(struct gl_context *ctx,
+                                     struct gl_texture_image *texImage,
                                      GLint xoffset, GLsizei width,
                                      GLenum format,
-                                     GLsizei imageSize, const GLvoid *data,
-                                     struct gl_texture_object *texObj,
-                                     struct gl_texture_image *texImage)
+                                     GLsizei imageSize, const GLvoid *data)
 {
    /* there are no compressed 1D texture formats yet */
    (void) ctx;
-   (void) target; (void) level;
    (void) xoffset; (void) width;
    (void) format;
    (void) imageSize; (void) data;
-   (void) texObj;
    (void) texImage;
 }
 
@@ -4951,14 +4770,12 @@ _mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
  * Fallback for Driver.CompressedTexSubImage2D()
  */
 void
-_mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
-                                     GLint level,
+_mesa_store_compressed_texsubimage2d(struct gl_context *ctx,
+                                     struct gl_texture_image *texImage,
                                      GLint xoffset, GLint yoffset,
                                      GLsizei width, GLsizei height,
                                      GLenum format,
-                                     GLsizei imageSize, const GLvoid *data,
-                                     struct gl_texture_object *texObj,
-                                     struct gl_texture_image *texImage)
+                                     GLsizei imageSize, const GLvoid *data)
 {
    GLint bytesPerRow, dstRowStride, srcRowStride;
    GLint i, rows;
@@ -5016,22 +4833,18 @@ _mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
  * Fallback for Driver.CompressedTexSubImage3D()
  */
 void
-_mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,
-                                GLint level,
-                                GLint xoffset, GLint yoffset, GLint zoffset,
-                                GLsizei width, GLsizei height, GLsizei depth,
-                                GLenum format,
-                                GLsizei imageSize, const GLvoid *data,
-                                struct gl_texture_object *texObj,
-                                struct gl_texture_image *texImage)
+_mesa_store_compressed_texsubimage3d(struct gl_context *ctx,
+                                     struct gl_texture_image *texImage,
+                                     GLint xoffset, GLint yoffset, GLint zoffset,
+                                     GLsizei width, GLsizei height, GLsizei depth,
+                                     GLenum format,
+                                     GLsizei imageSize, const GLvoid *data)
 {
    /* there are no compressed 3D texture formats yet */
    (void) ctx;
-   (void) target; (void) level;
    (void) xoffset; (void) yoffset; (void) zoffset;
    (void) width; (void) height; (void) depth;
    (void) format;
    (void) imageSize; (void) data;
-   (void) texObj;
    (void) texImage;
 }
diff --git a/mesalib/src/mesa/main/texstore.h b/mesalib/src/mesa/main/texstore.h
index f956b0436..85e33b0fe 100644
--- a/mesalib/src/mesa/main/texstore.h
+++ b/mesalib/src/mesa/main/texstore.h
@@ -58,7 +58,6 @@
 	struct gl_context *ctx, GLuint dims, \
 	GLenum baseInternalFormat, \
 	gl_format dstFormat, \
-	GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \
         GLint dstRowStride, \
         GLubyte **dstSlices, \
 	GLint srcWidth, GLint srcHeight, GLint srcDepth, \
@@ -91,118 +90,103 @@ _mesa_make_temp_float_image(struct gl_context *ctx, GLuint dims,
 			    GLbitfield transferOps);
 
 extern void
-_mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_teximage1d(struct gl_context *ctx,
+                       struct gl_texture_image *texImage,
                        GLint internalFormat,
                        GLint width, GLint border,
                        GLenum format, GLenum type, const GLvoid *pixels,
-                       const struct gl_pixelstore_attrib *packing,
-                       struct gl_texture_object *texObj,
-                       struct gl_texture_image *texImage);
+                       const struct gl_pixelstore_attrib *packing);
 
 
 extern void
-_mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_teximage2d(struct gl_context *ctx,
+                       struct gl_texture_image *texImage,
                        GLint internalFormat,
                        GLint width, GLint height, GLint border,
                        GLenum format, GLenum type, const GLvoid *pixels,
-                       const struct gl_pixelstore_attrib *packing,
-                       struct gl_texture_object *texObj,
-                       struct gl_texture_image *texImage);
+                       const struct gl_pixelstore_attrib *packing);
 
 
 extern void
-_mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_teximage3d(struct gl_context *ctx,
+                       struct gl_texture_image *texImage,
                        GLint internalFormat,
                        GLint width, GLint height, GLint depth, GLint border,
                        GLenum format, GLenum type, const GLvoid *pixels,
-                       const struct gl_pixelstore_attrib *packing,
-                       struct gl_texture_object *texObj,
-                       struct gl_texture_image *texImage);
+                       const struct gl_pixelstore_attrib *packing);
 
 
 extern void
-_mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_texsubimage1d(struct gl_context *ctx,
+                          struct gl_texture_image *texImage,
                           GLint xoffset, GLint width,
                           GLenum format, GLenum type, const GLvoid *pixels,
-                          const struct gl_pixelstore_attrib *packing,
-                          struct gl_texture_object *texObj,
-                          struct gl_texture_image *texImage);
+                          const struct gl_pixelstore_attrib *packing);
 
 
 extern void
-_mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_texsubimage2d(struct gl_context *ctx,
+                          struct gl_texture_image *texImage,
                           GLint xoffset, GLint yoffset,
                           GLint width, GLint height,
                           GLenum format, GLenum type, const GLvoid *pixels,
-                          const struct gl_pixelstore_attrib *packing,
-                          struct gl_texture_object *texObj,
-                          struct gl_texture_image *texImage);
+                          const struct gl_pixelstore_attrib *packing);
 
 
 extern void
-_mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_texsubimage3d(struct gl_context *ctx,
+                          struct gl_texture_image *texImage,
                           GLint xoffset, GLint yoffset, GLint zoffset,
                           GLint width, GLint height, GLint depth,
                           GLenum format, GLenum type, const GLvoid *pixels,
-                          const struct gl_pixelstore_attrib *packing,
-                          struct gl_texture_object *texObj,
-                          struct gl_texture_image *texImage);
+                          const struct gl_pixelstore_attrib *packing);
 
 
 extern void
-_mesa_store_compressed_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_compressed_teximage1d(struct gl_context *ctx,
+                                  struct gl_texture_image *texImage,
                                   GLint internalFormat,
                                   GLint width, GLint border,
-                                  GLsizei imageSize, const GLvoid *data,
-                                  struct gl_texture_object *texObj,
-                                  struct gl_texture_image *texImage);
+                                  GLsizei imageSize, const GLvoid *data);
 
 extern void
-_mesa_store_compressed_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_compressed_teximage2d(struct gl_context *ctx,
+                                  struct gl_texture_image *texImage,
                                   GLint internalFormat,
                                   GLint width, GLint height, GLint border,
-                                  GLsizei imageSize, const GLvoid *data,
-                                  struct gl_texture_object *texObj,
-                                  struct gl_texture_image *texImage);
+                                  GLsizei imageSize, const GLvoid *data);
 
 extern void
-_mesa_store_compressed_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
+_mesa_store_compressed_teximage3d(struct gl_context *ctx,
+                                  struct gl_texture_image *texImage,
                                   GLint internalFormat,
                                   GLint width, GLint height, GLint depth,
                                   GLint border,
-                                  GLsizei imageSize, const GLvoid *data,
-                                  struct gl_texture_object *texObj,
-                                  struct gl_texture_image *texImage);
+                                  GLsizei imageSize, const GLvoid *data);
 
 
 extern void
-_mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
-                                     GLint level,
+_mesa_store_compressed_texsubimage1d(struct gl_context *ctx,
+                                     struct gl_texture_image *texImage,
                                      GLint xoffset, GLsizei width,
                                      GLenum format,
-                                     GLsizei imageSize, const GLvoid *data,
-                                     struct gl_texture_object *texObj,
-                                     struct gl_texture_image *texImage);
+                                     GLsizei imageSize, const GLvoid *data);
 
 extern void
-_mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
-                                     GLint level,
+_mesa_store_compressed_texsubimage2d(struct gl_context *ctx,
+                                     struct gl_texture_image *texImage,
                                      GLint xoffset, GLint yoffset,
                                      GLsizei width, GLsizei height,
                                      GLenum format,
-                                     GLsizei imageSize, const GLvoid *data,
-                                     struct gl_texture_object *texObj,
-                                     struct gl_texture_image *texImage);
+                                     GLsizei imageSize, const GLvoid *data);
 
 extern void
-_mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,
-                                GLint level,
-                                GLint xoffset, GLint yoffset, GLint zoffset,
-                                GLsizei width, GLsizei height, GLsizei depth,
-                                GLenum format,
-                                GLsizei imageSize, const GLvoid *data,
-                                struct gl_texture_object *texObj,
-                                struct gl_texture_image *texImage);
+_mesa_store_compressed_texsubimage3d(struct gl_context *ctx,
+                                     struct gl_texture_image *texImage,
+                                     GLint xoffset, GLint yoffset, GLint zoffset,
+                                     GLsizei width, GLsizei height, GLsizei depth,
+                                     GLenum format,
+                                     GLsizei imageSize, const GLvoid *data);
 
 
 #endif
diff --git a/mesalib/src/mesa/main/transformfeedback.c b/mesalib/src/mesa/main/transformfeedback.c
index be0d0ff19..c2114c227 100644
--- a/mesalib/src/mesa/main/transformfeedback.c
+++ b/mesalib/src/mesa/main/transformfeedback.c
@@ -342,10 +342,26 @@ void GLAPIENTRY
 _mesa_BeginTransformFeedback(GLenum mode)
 {
    struct gl_transform_feedback_object *obj;
+   struct gl_transform_feedback_info *info;
+   int i;
    GET_CURRENT_CONTEXT(ctx);
 
    obj = ctx->TransformFeedback.CurrentObject;
 
+   if (ctx->Shader.CurrentVertexProgram == NULL) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glBeginTransformFeedback(no program active)");
+      return;
+   }
+
+   info = &ctx->Shader.CurrentVertexProgram->LinkedTransformFeedback;
+
+   if (info->NumOutputs == 0) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glBeginTransformFeedback(no varyings to record)");
+      return;
+   }
+
    switch (mode) {
    case GL_POINTS:
    case GL_LINES:
@@ -363,6 +379,15 @@ _mesa_BeginTransformFeedback(GLenum mode)
       return;
    }
 
+   for (i = 0; i < info->NumBuffers; ++i) {
+      if (obj->BufferNames[i] == 0) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glBeginTransformFeedback(binding point %d does not have "
+                     "a buffer object bound)", i);
+         return;
+      }
+   }
+
    FLUSH_VERTICES(ctx, _NEW_TRANSFORM_FEEDBACK);
    obj->Active = GL_TRUE;
    ctx->TransformFeedback.Mode = mode;
@@ -461,7 +486,7 @@ _mesa_BindBufferRange(GLenum target, GLuint index,
 
    if ((size <= 0) || (size & 0x3)) {
       /* must be positive and multiple of four */
-      _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size%d)", (int) size);
+      _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size=%d)", (int) size);
       return;
    }  
 
@@ -569,6 +594,13 @@ _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
       return;
    }
 
+   if (offset & 0x3) {
+      /* must be multiple of four */
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glBindBufferOffsetEXT(offset=%d)", (int) offset);
+      return;
+   }
+
    bufObj = _mesa_lookup_bufferobj(ctx, buffer);
    if (!bufObj) {
       _mesa_error(ctx, GL_INVALID_OPERATION,
@@ -662,8 +694,7 @@ _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index,
                                   GLsizei *size, GLenum *type, GLchar *name)
 {
    const struct gl_shader_program *shProg;
-   const GLchar *varyingName;
-   GLint v;
+   const struct gl_transform_feedback_info *linked_xfb_info;
    GET_CURRENT_CONTEXT(ctx);
 
    shProg = _mesa_lookup_shader_program(ctx, program);
@@ -673,36 +704,22 @@ _mesa_GetTransformFeedbackVarying(GLuint program, GLuint index,
       return;
    }
 
-   if (index >= shProg->TransformFeedback.NumVarying) {
+   linked_xfb_info = &shProg->LinkedTransformFeedback;
+   if (index >= linked_xfb_info->NumVarying) {
       _mesa_error(ctx, GL_INVALID_VALUE,
                   "glGetTransformFeedbackVaryings(index=%u)", index);
       return;
    }
 
-   varyingName = shProg->TransformFeedback.VaryingNames[index];
+   /* return the varying's name and length */
+   _mesa_copy_string(name, bufSize, length,
+		     linked_xfb_info->Varyings[index].Name);
 
-   v = _mesa_lookup_parameter_index(shProg->Varying, -1, varyingName);
-   if (v >= 0) {
-      struct gl_program_parameter *param = &shProg->Varying->Parameters[v];
-
-      /* return the varying's name and length */
-      _mesa_copy_string(name, bufSize, length, varyingName);
-
-      /* return the datatype and value's size (in datatype units) */
-      if (type)
-         *type = param->DataType;
-      if (size)
-         *size = param->Size;
-   }
-   else {
-      name[0] = 0;
-      if (length)
-         *length = 0;
-      if (type)
-         *type = 0;
-      if (size)
-         *size = 0;
-   }
+   /* return the datatype and value's size (in datatype units) */
+   if (type)
+      *type = linked_xfb_info->Varyings[index].Type;
+   if (size)
+      *size = linked_xfb_info->Varyings[index].Size;
 }
 
 
diff --git a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
index adac92f2c..6d95d57c1 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -291,10 +291,6 @@ st_bufferobj_map_range(struct gl_context *ctx,
                                         flags,
                                         &st_obj->transfer);
    if (obj->Pointer) {
-      obj->Pointer = (ubyte *) obj->Pointer + offset;
-   }
-
-   if (obj->Pointer) {
       obj->Offset = offset;
       obj->Length = length;
       obj->AccessFlags = access;
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 318ba7d06..0609a54ea 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -517,7 +517,6 @@ make_texture(struct st_context *st,
       success = _mesa_texstore(ctx, 2,           /* dims */
                                baseInternalFormat, /* baseInternalFormat */
                                mformat,          /* gl_format */
-                               0, 0, 0,          /* dstX/Y/Zoffset */
                                transfer->stride, /* dstRowStride, bytes */
                                &dest,            /* destSlices */
                                width, height, 1, /* size */
diff --git a/mesalib/src/mesa/state_tracker/st_cb_eglimage.c b/mesalib/src/mesa/state_tracker/st_cb_eglimage.c
index 37c20ebe3..5209fc795 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_eglimage.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_eglimage.c
@@ -125,7 +125,7 @@ st_bind_surface(struct gl_context *ctx, GLenum target,
 
    texFormat = st_pipe_format_to_mesa_format(ps->format);
 
-   _mesa_init_teximage_fields(ctx, target, texImage,
+   _mesa_init_teximage_fields(ctx, texImage,
                               ps->width, ps->height, 1, 0, internalFormat,
                               texFormat);
 
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 289ad5114..592d04b92 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -153,7 +153,8 @@ st_DeleteTextureObject(struct gl_context *ctx,
 
 /** called via ctx->Driver.FreeTextureImageBuffer() */
 static void
-st_FreeTextureImageBuffer(struct gl_context * ctx, struct gl_texture_image *texImage)
+st_FreeTextureImageBuffer(struct gl_context *ctx,
+                          struct gl_texture_image *texImage)
 {
    struct st_texture_image *stImage = st_texture_image(texImage);
 
@@ -415,8 +416,6 @@ guess_and_alloc_texture(struct st_context *st,
  * Called via ctx->Driver.AllocTextureImageBuffer().
  * If the texture object/buffer already has space for the indicated image,
  * we're done.  Otherwise, allocate memory for the new texture image.
- * XXX This function and st_TexImage() have some duplicated code.  That
- * can be cleaned up in the future.
  */
 static GLboolean
 st_AllocTextureImageBuffer(struct gl_context *ctx,
@@ -471,7 +470,10 @@ st_AllocTextureImageBuffer(struct gl_context *ctx,
    }
    else {
       /* Create a new, temporary texture/resource/buffer to hold this
-       * one texture image.
+       * one texture image.  Note that when we later access this image
+       * (either for mapping or copying) we'll want to always specify
+       * mipmap level=0, even if the image represents some other mipmap
+       * level.
        */
       enum pipe_format format =
          st_mesa_format_to_pipe_format(texImage->TexFormat);
@@ -495,34 +497,24 @@ st_AllocTextureImageBuffer(struct gl_context *ctx,
    }
 }
 
+
 /**
- * Do glTexImage1/2/3D().
+ * Preparation prior to glTexImage.  Basically check the 'surface_based'
+ * field and switch to a "normal" tex image if necessary.
  */
 static void
-st_TexImage(struct gl_context * ctx,
-            GLint dims,
-            GLenum target, GLint level,
-            GLint internalFormat,
-            GLint width, GLint height, GLint depth,
-            GLint border,
-            GLenum format, GLenum type, const void *pixels,
-            const struct gl_pixelstore_attrib *unpack,
-            struct gl_texture_object *texObj,
-            struct gl_texture_image *texImage,
-            GLsizei imageSize, GLboolean compressed_src)
+prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage,
+              GLint internalFormat,
+              GLint width, GLint height, GLint depth, GLint border,
+              GLenum format, GLenum type)
 {
-   struct st_context *st = st_context(ctx);
+   struct gl_texture_object *texObj = texImage->TexObject;
    struct st_texture_object *stObj = st_texture_object(texObj);
-   struct st_texture_image *stImage = st_texture_image(texImage);
-   GLuint dstRowStride = 0;
-   enum pipe_transfer_usage transfer_usage = 0;
-   GLubyte *dstMap;
-
-   DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
-       _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
 
    /* switch to "normal" */
    if (stObj->surface_based) {
+      const GLenum target = texObj->Target;
+      const GLuint level = texImage->Level;
       gl_format texFormat;
 
       _mesa_clear_texture_object(ctx, texObj);
@@ -532,265 +524,72 @@ st_TexImage(struct gl_context * ctx,
       texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
                                               internalFormat, format, type);
 
-      _mesa_init_teximage_fields(ctx, target, texImage,
+      _mesa_init_teximage_fields(ctx, texImage,
                                  width, height, depth, border,
                                  internalFormat, texFormat);
 
       stObj->surface_based = GL_FALSE;
    }
-
-   assert(texImage->Width == width);
-   assert(texImage->Height == height);
-   assert(texImage->Depth == depth);
-
-   stImage->base.Face = _mesa_tex_target_to_face(target);
-   stImage->base.Level = level;
-
-   /* Release the reference to a potentially orphaned buffer.   
-    * Release any old malloced memory.
-    */
-   if (stImage->pt) {
-      pipe_resource_reference(&stImage->pt, NULL);
-      assert(!stImage->TexData);
-   }
-   else if (stImage->TexData) {
-      _mesa_align_free(stImage->TexData);
-   }
-
-   /*
-    * See if the new image is somehow incompatible with the existing
-    * mipmap.  If so, free the old mipmap.
-    */
-   if (stObj->pt) {
-      if (level > (GLint) stObj->pt->last_level ||
-          !st_texture_match_image(stObj->pt, &stImage->base)) {
-         DBG("release it\n");
-         pipe_resource_reference(&stObj->pt, NULL);
-         assert(!stObj->pt);
-         pipe_sampler_view_reference(&stObj->sampler_view, NULL);
-      }
-   }
-
-   if (width == 0 || height == 0 || depth == 0) {
-      /* stop after freeing old image */
-      return;
-   }
-
-   if (!stObj->pt) {
-      if (!guess_and_alloc_texture(st, stObj, stImage)) {
-         /* Probably out of memory.
-          * Try flushing any pending rendering, then retry.
-          */
-         st_finish(st);
-         if (!guess_and_alloc_texture(st, stObj, stImage)) {
-            _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
-            return;
-         }
-      }
-   }
-
-   assert(!stImage->pt);
-
-   /* Check if this texture image can live inside the texture object's buffer.
-    * If so, store the image there.  Otherwise the image will temporarily live
-    * in its own buffer.
-    */
-   if (stObj->pt &&
-       st_texture_match_image(stObj->pt, &stImage->base)) {
-
-      pipe_resource_reference(&stImage->pt, stObj->pt);
-      assert(stImage->pt);
-   }
-
-   if (!stImage->pt)
-      DBG("XXX: Image did not fit into texture - storing in local memory!\n");
-
-   /* Pixel data may come from regular user memory or a PBO.  For the later,
-    * do bounds checking and map the PBO to read pixels data from it.
-    *
-    * XXX we should try to use a GPU-accelerated path to copy the image data
-    * from the PBO to the texture.
-    */
-   if (compressed_src) {
-      pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
-						      unpack,
-						      "glCompressedTexImage");
-   }
-   else {
-      pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
-					   format, type,
-					   pixels, unpack, "glTexImage");
-   }
-
-   /* for a 1D array upload the image as a series of layer with height = 1 */
-   if (target == GL_TEXTURE_1D_ARRAY) {
-      depth = height;
-      height = 1;
-   }
-
-   /*
-    * Prepare to store the texture data.  Either map the gallium texture buffer
-    * memory or malloc space for it.
-    */
-   if (stImage->pt) {
-      if (!pixels) {
-         /* We've allocated texture resource, but have no pixel data - all done. */
-         goto done;
-      }
-
-      /* Store the image in the gallium transfer object */
-      if (format == GL_DEPTH_COMPONENT &&
-          util_format_is_depth_and_stencil(stImage->pt->format))
-         transfer_usage = PIPE_TRANSFER_READ_WRITE;
-      else
-         transfer_usage = PIPE_TRANSFER_WRITE;
-
-      dstMap = st_texture_image_map(st, stImage, 0,
-                                    transfer_usage, 0, 0, width, height);
-      if(stImage->transfer)
-         dstRowStride = stImage->transfer->stride;
-   }
-   else {
-      /* Allocate regular memory and store the image there temporarily.   */
-      GLuint imageSize = _mesa_format_image_size(texImage->TexFormat,
-                                                 width, height, depth);
-      dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width);
-
-      stImage->TexData = _mesa_align_malloc(imageSize, 16);
-      dstMap = stImage->TexData;
-   }
-
-   if (!dstMap) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
-      return;
-   }
-
-   if (!pixels) {
-      /* We've allocated texture memory, but have no pixel data - all done. */
-      goto done;
-   }
-
-   DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
-       width, height, depth, width, dstRowStride);
-
-   /* Copy user texture image into the mapped texture buffer.
-    */
-   if (compressed_src) {
-      const GLuint srcRowStride =
-         _mesa_format_row_stride(texImage->TexFormat, width);
-      if (dstRowStride == srcRowStride) {
-         memcpy(dstMap, pixels, imageSize);
-      }
-      else {
-         GLubyte *dst = dstMap;
-         const char *src = pixels;
-         GLuint i, bw, bh, lines;
-         _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
-         lines = (height + bh - 1) / bh;
-
-         for (i = 0; i < lines; ++i) {
-            memcpy(dst, src, srcRowStride);
-            dst += dstRowStride;
-            src += srcRowStride;
-         }
-      }
-   }
-   else {
-      const GLuint srcImageStride =
-         _mesa_image_image_stride(unpack, width, height, format, type);
-      GLint i;
-      const GLubyte *src = (const GLubyte *) pixels;
-
-      for (i = 0; i < depth; i++) {
-	 if (!_mesa_texstore(ctx, dims, 
-                             texImage->_BaseFormat, 
-                             texImage->TexFormat, 
-                             0, 0, 0, /* dstX/Y/Zoffset */
-                             dstRowStride,
-                             (GLubyte **) &dstMap, /* dstSlice */
-                             width, height, 1,
-                             format, type, src, unpack)) {
-	    _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
-	 }
-
-	 if (stImage->pt && i + 1 < depth) {
-            /* unmap this slice */
-	    st_texture_image_unmap(st, stImage);
-            /* map next slice of 3D texture */
-            dstMap = st_texture_image_map(st, stImage, i + 1,
-                                          transfer_usage, 0, 0,
-                                          width, height);
-	    src += srcImageStride;
-	 }
-      }
-   }
-
-done:
-   _mesa_unmap_teximage_pbo(ctx, unpack);
-
-   if (stImage->pt && stImage->transfer) {
-      st_texture_image_unmap(st, stImage);
-   }
 }
 
 
 static void
 st_TexImage3D(struct gl_context * ctx,
-              GLenum target, GLint level,
+              struct gl_texture_image *texImage,
               GLint internalFormat,
               GLint width, GLint height, GLint depth,
               GLint border,
               GLenum format, GLenum type, const void *pixels,
-              const struct gl_pixelstore_attrib *unpack,
-              struct gl_texture_object *texObj,
-              struct gl_texture_image *texImage)
+              const struct gl_pixelstore_attrib *unpack)
 {
-   st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth,
-               border, format, type, pixels, unpack, texObj, texImage,
-               0, GL_FALSE);
+   prep_teximage(ctx, texImage, internalFormat, width, height, depth, border,
+                 format, type);
+   _mesa_store_teximage3d(ctx, texImage, internalFormat, width, height, depth,
+                          border, format, type, pixels, unpack);
 }
 
 
 static void
 st_TexImage2D(struct gl_context * ctx,
-              GLenum target, GLint level,
+              struct gl_texture_image *texImage,
               GLint internalFormat,
               GLint width, GLint height, GLint border,
               GLenum format, GLenum type, const void *pixels,
-              const struct gl_pixelstore_attrib *unpack,
-              struct gl_texture_object *texObj,
-              struct gl_texture_image *texImage)
+              const struct gl_pixelstore_attrib *unpack)
 {
-   st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
-               format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
+   prep_teximage(ctx, texImage, internalFormat, width, height, 1, border,
+                 format, type);
+   _mesa_store_teximage2d(ctx, texImage, internalFormat, width, height,
+                          border, format, type, pixels, unpack);
 }
 
 
 static void
 st_TexImage1D(struct gl_context * ctx,
-              GLenum target, GLint level,
+              struct gl_texture_image *texImage,
               GLint internalFormat,
               GLint width, GLint border,
               GLenum format, GLenum type, const void *pixels,
-              const struct gl_pixelstore_attrib *unpack,
-              struct gl_texture_object *texObj,
-              struct gl_texture_image *texImage)
+              const struct gl_pixelstore_attrib *unpack)
 {
-   st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border,
-               format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
+   prep_teximage(ctx, texImage, internalFormat, width, 1, 1, border,
+                 format, type);
+   _mesa_store_teximage1d(ctx, texImage, internalFormat, width,
+                          border, format, type, pixels, unpack);
 }
 
 
 static void
-st_CompressedTexImage2D(struct gl_context *ctx, GLenum target, GLint level,
+st_CompressedTexImage2D(struct gl_context *ctx,
+                        struct gl_texture_image *texImage,
                         GLint internalFormat,
                         GLint width, GLint height, GLint border,
-                        GLsizei imageSize, const GLvoid *data,
-                        struct gl_texture_object *texObj,
-                        struct gl_texture_image *texImage)
+                        GLsizei imageSize, const GLvoid *data)
 {
-   st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
-               0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE);
+   prep_teximage(ctx, texImage, internalFormat, width, 1, 1, border,
+                 GL_NONE, GL_NONE);
+   _mesa_store_compressed_teximage2d(ctx, texImage, internalFormat, width,
+                                     height, border, imageSize, data);
 }
 
 
@@ -929,224 +728,6 @@ st_GetTexImage(struct gl_context * ctx,
 }
 
 
-static void
-st_TexSubimage(struct gl_context *ctx, GLint dims, GLenum target, GLint level,
-               GLint xoffset, GLint yoffset, GLint zoffset,
-               GLint width, GLint height, GLint depth,
-               GLenum format, GLenum type, const void *pixels,
-               const struct gl_pixelstore_attrib *packing,
-               struct gl_texture_object *texObj,
-               struct gl_texture_image *texImage)
-{
-   struct st_context *st = st_context(ctx);
-   struct st_texture_image *stImage = st_texture_image(texImage);
-   GLuint dstRowStride;
-   const GLuint srcImageStride =
-      _mesa_image_image_stride(packing, width, height, format, type);
-   GLint i;
-   const GLubyte *src;
-   /* init to silence warning only: */
-   enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE;
-   GLubyte *dstMap;
-
-   DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
-       _mesa_lookup_enum_by_nr(target),
-       level, xoffset, yoffset, width, height);
-
-   pixels =
-      _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format,
-                                  type, pixels, packing, "glTexSubImage2D");
-   if (!pixels)
-      return;
-
-   /* for a 1D array upload the image as a series of layer with height = 1 */
-   if (target == GL_TEXTURE_1D_ARRAY) {
-      depth = height;
-      height = 1;
-   }
-
-   /* Map buffer if necessary.  Need to lock to prevent other contexts
-    * from uploading the buffer under us.
-    */
-   if (stImage->pt) {
-      if (format == GL_DEPTH_COMPONENT &&
-          util_format_is_depth_and_stencil(stImage->pt->format))
-         transfer_usage = PIPE_TRANSFER_READ_WRITE;
-      else
-         transfer_usage = PIPE_TRANSFER_WRITE;
-
-      dstMap = st_texture_image_map(st, stImage, zoffset, 
-                                    transfer_usage,
-                                    xoffset, yoffset,
-                                    width, height);
-   }
-
-   if (!dstMap) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
-      goto done;
-   }
-
-   src = (const GLubyte *) pixels;
-   dstRowStride = stImage->transfer->stride;
-
-   for (i = 0; i < depth; i++) {
-      if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
-                          texImage->TexFormat,
-                          0, 0, 0,
-                          dstRowStride,
-                          (GLubyte **) &dstMap,
-                          width, height, 1,
-                          format, type, src, packing)) {
-	 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
-      }
-
-      if (stImage->pt && i + 1 < depth) {
-         /* unmap this slice */
-	 st_texture_image_unmap(st, stImage);
-         /* map next slice of 3D texture */
-	 dstMap = st_texture_image_map(st, stImage,
-                                       zoffset + i + 1,
-                                       transfer_usage,
-                                       xoffset, yoffset,
-                                       width, height);
-	 src += srcImageStride;
-      }
-   }
-
-done:
-   _mesa_unmap_teximage_pbo(ctx, packing);
-
-   if (stImage->pt && stImage->transfer) {
-      st_texture_image_unmap(st, stImage);
-   }
-}
-
-
-
-static void
-st_TexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
-                 GLint xoffset, GLint yoffset, GLint zoffset,
-                 GLsizei width, GLsizei height, GLsizei depth,
-                 GLenum format, GLenum type, const GLvoid *pixels,
-                 const struct gl_pixelstore_attrib *packing,
-                 struct gl_texture_object *texObj,
-                 struct gl_texture_image *texImage)
-{
-   st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
-                  width, height, depth, format, type,
-                  pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_TexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
-                 GLint xoffset, GLint yoffset,
-                 GLsizei width, GLsizei height,
-                 GLenum format, GLenum type, const GLvoid * pixels,
-                 const struct gl_pixelstore_attrib *packing,
-                 struct gl_texture_object *texObj,
-                 struct gl_texture_image *texImage)
-{
-   st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0,
-                  width, height, 1, format, type,
-                  pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_TexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
-                 GLint xoffset, GLsizei width, GLenum format, GLenum type,
-                 const GLvoid * pixels,
-                 const struct gl_pixelstore_attrib *packing,
-                 struct gl_texture_object *texObj,
-                 struct gl_texture_image *texImage)
-{
-   st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1,
-                  format, type, pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_CompressedTexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
-                           GLint xoffset, GLsizei width,
-                           GLenum format,
-                           GLsizei imageSize, const GLvoid *data,
-                           struct gl_texture_object *texObj,
-                           struct gl_texture_image *texImage)
-{
-   assert(0);
-}
-
-
-static void
-st_CompressedTexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
-                           GLint xoffset, GLint yoffset,
-                           GLsizei width, GLint height,
-                           GLenum format,
-                           GLsizei imageSize, const GLvoid *data,
-                           struct gl_texture_object *texObj,
-                           struct gl_texture_image *texImage)
-{
-   struct st_context *st = st_context(ctx);
-   struct st_texture_image *stImage = st_texture_image(texImage);
-   int srcBlockStride;
-   int dstBlockStride;
-   int y;
-   enum pipe_format pformat;
-   GLubyte *dstMap;
-
-   if (stImage->pt) {
-      pformat = stImage->pt->format;
-
-      dstMap = st_texture_image_map(st, stImage, 0, 
-                                    PIPE_TRANSFER_WRITE,
-                                    xoffset, yoffset,
-                                    width, height);
-      
-      srcBlockStride = util_format_get_stride(pformat, width);
-      dstBlockStride = stImage->transfer->stride;
-   } else {
-      assert(stImage->pt);
-      /* TODO find good values for block and strides */
-      /* TODO also adjust texImage->data for yoffset/xoffset */
-      return;
-   }
-
-   if (!dstMap) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage");
-      return;
-   }
-
-   assert(xoffset % util_format_get_blockwidth(pformat) == 0);
-   assert(yoffset % util_format_get_blockheight(pformat) == 0);
-
-   for (y = 0; y < height; y += util_format_get_blockheight(pformat)) {
-      /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */
-      const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y);
-      char *dst = (char *) dstMap + dstBlockStride * util_format_get_nblocksy(pformat, y);
-      memcpy(dst, src, util_format_get_stride(pformat, width));
-   }
-
-   if (stImage->pt && stImage->transfer) {
-      st_texture_image_unmap(st, stImage);
-   }
-}
-
-
-static void
-st_CompressedTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
-                           GLint xoffset, GLint yoffset, GLint zoffset,
-                           GLsizei width, GLint height, GLint depth,
-                           GLenum format,
-                           GLsizei imageSize, const GLvoid *data,
-                           struct gl_texture_object *texObj,
-                           struct gl_texture_image *texImage)
-{
-   assert(0);
-}
-
-
-
 /**
  * Do a CopyTexSubImage operation using a read transfer from the source,
  * a write transfer to the destination and get_tile()/put_tile() to access
@@ -1255,7 +836,6 @@ fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level,
          _mesa_texstore(ctx, dims,
                         texImage->_BaseFormat, 
                         texImage->TexFormat, 
-                        0, 0, 0,
                         dstRowStride,
                         (GLubyte **) &texDest,
                         width, height, 1,
@@ -1515,11 +1095,11 @@ st_copy_texsubimage(struct gl_context *ctx,
    return;
 
 fallback:
-      /* software fallback */
-      fallback_copy_texsubimage(ctx, target, level,
-                                strb, stImage, texBaseFormat,
-                                destX, destY, destZ,
-                                srcX, srcY, width, height);
+   /* software fallback */
+   fallback_copy_texsubimage(ctx, target, level,
+                             strb, stImage, texBaseFormat,
+                             destX, destY, destZ,
+                             srcX, srcY, width, height);
 }
 
 
@@ -1582,9 +1162,15 @@ copy_image_data_to_texture(struct st_context *st,
    if (stImage->pt) {
       /* Copy potentially with the blitter:
        */
+      GLuint src_level;
+      if (stImage->pt != stObj->pt)
+         src_level = 0;
+      else
+         src_level = stImage->base.Level;
+
       st_texture_image_copy(st->pipe,
                             stObj->pt, dstLevel,  /* dest texture, level */
-                            stImage->pt, stImage->base.Level, /* src texture, level */
+                            stImage->pt, src_level, /* src texture, level */
                             stImage->base.Face);
 
       pipe_resource_reference(&stImage->pt, NULL);
@@ -1777,17 +1363,15 @@ st_get_default_texture(struct st_context *st)
 
       texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0);
 
-      _mesa_init_teximage_fields(st->ctx, target, texImg,
+      _mesa_init_teximage_fields(st->ctx, texImg,
                                  16, 16, 1, 0,  /* w, h, d, border */
                                  GL_RGBA, MESA_FORMAT_RGBA8888);
 
-      st_TexImage(st->ctx, 2, target,
-                  0, GL_RGBA,    /* level, intformat */
-                  16, 16, 1, 0,  /* w, h, d, border */
-                  GL_RGBA, GL_UNSIGNED_BYTE, pixels,
-                  &st->ctx->DefaultPacking,
-                  texObj, texImg,
-                  0, 0);
+      _mesa_store_teximage2d(st->ctx, texImg, 
+                             GL_RGBA,    /* level, intformat */
+                             16, 16, 1,  /* w, h, d, border */
+                             GL_RGBA, GL_UNSIGNED_BYTE, pixels,
+                             &st->ctx->DefaultPacking);
 
       texObj->Sampler.MinFilter = GL_NEAREST;
       texObj->Sampler.MagFilter = GL_NEAREST;
@@ -1866,12 +1450,12 @@ st_init_texture_functions(struct dd_function_table *functions)
    functions->TexImage1D = st_TexImage1D;
    functions->TexImage2D = st_TexImage2D;
    functions->TexImage3D = st_TexImage3D;
-   functions->TexSubImage1D = st_TexSubImage1D;
-   functions->TexSubImage2D = st_TexSubImage2D;
-   functions->TexSubImage3D = st_TexSubImage3D;
-   functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D;
-   functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D;
-   functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D;
+   functions->TexSubImage1D = _mesa_store_texsubimage1d;
+   functions->TexSubImage2D = _mesa_store_texsubimage2d;
+   functions->TexSubImage3D = _mesa_store_texsubimage3d;
+   functions->CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d;
+   functions->CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d;
+   functions->CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d;
    functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
    functions->CopyTexSubImage2D = st_CopyTexSubImage2D;
    functions->CopyTexSubImage3D = st_CopyTexSubImage3D;
diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c
index 87a997865..6d6fc858d 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.c
+++ b/mesalib/src/mesa/state_tracker/st_draw.c
@@ -102,6 +102,13 @@ static GLuint uint_types_scale[4] = {
    PIPE_FORMAT_R32G32B32A32_USCALED
 };
 
+static GLuint uint_types_int[4] = {
+   PIPE_FORMAT_R32_UINT,
+   PIPE_FORMAT_R32G32_UINT,
+   PIPE_FORMAT_R32G32B32_UINT,
+   PIPE_FORMAT_R32G32B32A32_UINT
+};
+
 static GLuint int_types_norm[4] = {
    PIPE_FORMAT_R32_SNORM,
    PIPE_FORMAT_R32G32_SNORM,
@@ -116,6 +123,13 @@ static GLuint int_types_scale[4] = {
    PIPE_FORMAT_R32G32B32A32_SSCALED
 };
 
+static GLuint int_types_int[4] = {
+   PIPE_FORMAT_R32_SINT,
+   PIPE_FORMAT_R32G32_SINT,
+   PIPE_FORMAT_R32G32B32_SINT,
+   PIPE_FORMAT_R32G32B32A32_SINT
+};
+
 static GLuint ushort_types_norm[4] = {
    PIPE_FORMAT_R16_UNORM,
    PIPE_FORMAT_R16G16_UNORM,
@@ -130,6 +144,13 @@ static GLuint ushort_types_scale[4] = {
    PIPE_FORMAT_R16G16B16A16_USCALED
 };
 
+static GLuint ushort_types_int[4] = {
+   PIPE_FORMAT_R16_UINT,
+   PIPE_FORMAT_R16G16_UINT,
+   PIPE_FORMAT_R16G16B16_UINT,
+   PIPE_FORMAT_R16G16B16A16_UINT
+};
+
 static GLuint short_types_norm[4] = {
    PIPE_FORMAT_R16_SNORM,
    PIPE_FORMAT_R16G16_SNORM,
@@ -144,6 +165,13 @@ static GLuint short_types_scale[4] = {
    PIPE_FORMAT_R16G16B16A16_SSCALED
 };
 
+static GLuint short_types_int[4] = {
+   PIPE_FORMAT_R16_SINT,
+   PIPE_FORMAT_R16G16_SINT,
+   PIPE_FORMAT_R16G16B16_SINT,
+   PIPE_FORMAT_R16G16B16A16_SINT
+};
+
 static GLuint ubyte_types_norm[4] = {
    PIPE_FORMAT_R8_UNORM,
    PIPE_FORMAT_R8G8_UNORM,
@@ -158,6 +186,13 @@ static GLuint ubyte_types_scale[4] = {
    PIPE_FORMAT_R8G8B8A8_USCALED
 };
 
+static GLuint ubyte_types_int[4] = {
+   PIPE_FORMAT_R8_UINT,
+   PIPE_FORMAT_R8G8_UINT,
+   PIPE_FORMAT_R8G8B8_UINT,
+   PIPE_FORMAT_R8G8B8A8_UINT
+};
+
 static GLuint byte_types_norm[4] = {
    PIPE_FORMAT_R8_SNORM,
    PIPE_FORMAT_R8G8_SNORM,
@@ -172,6 +207,13 @@ static GLuint byte_types_scale[4] = {
    PIPE_FORMAT_R8G8B8A8_SSCALED
 };
 
+static GLuint byte_types_int[4] = {
+   PIPE_FORMAT_R8_SINT,
+   PIPE_FORMAT_R8G8_SINT,
+   PIPE_FORMAT_R8G8B8_SINT,
+   PIPE_FORMAT_R8G8B8A8_SINT
+};
+
 static GLuint fixed_types[4] = {
    PIPE_FORMAT_R32_FIXED,
    PIPE_FORMAT_R32G32_FIXED,
@@ -186,7 +228,7 @@ static GLuint fixed_types[4] = {
  */
 enum pipe_format
 st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
-                      GLboolean normalized)
+                      GLboolean normalized, GLboolean integer)
 {
    assert((type >= GL_BYTE && type <= GL_DOUBLE) ||
           type == GL_FIXED || type == GL_HALF_FLOAT ||
@@ -199,6 +241,7 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
    if (type == GL_INT_2_10_10_10_REV ||
        type == GL_UNSIGNED_INT_2_10_10_10_REV) {
       assert(size == 4);
+      assert(!integer);
 
       if (format == GL_BGRA) {
          if (type == GL_INT_2_10_10_10_REV) {
@@ -234,7 +277,18 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
       return PIPE_FORMAT_B8G8R8A8_UNORM;
    }
 
-   if (normalized) {
+   if (integer) {
+      switch (type) {
+      case GL_INT: return int_types_int[size-1];
+      case GL_SHORT: return short_types_int[size-1];
+      case GL_BYTE: return byte_types_int[size-1];
+      case GL_UNSIGNED_INT: return uint_types_int[size-1];
+      case GL_UNSIGNED_SHORT: return ushort_types_int[size-1];
+      case GL_UNSIGNED_BYTE: return ubyte_types_int[size-1];
+      default: assert(0); return 0;
+      }
+   }
+   else if (normalized) {
       switch (type) {
       case GL_DOUBLE: return double_types[size-1];
       case GL_FLOAT: return float_types[size-1];
@@ -407,7 +461,8 @@ setup_interleaved_attribs(struct gl_context *ctx,
       velements[attr].src_format = st_pipe_vertex_format(array->Type,
                                                          array->Size,
                                                          array->Format,
-                                                         array->Normalized);
+                                                         array->Normalized,
+                                                         array->Integer);
       assert(velements[attr].src_format);
 
       if (!usingVBO) {
@@ -564,7 +619,8 @@ setup_non_interleaved_attribs(struct gl_context *ctx,
       velements[attr].src_format = st_pipe_vertex_format(array->Type,
                                                          array->Size,
                                                          array->Format,
-                                                         array->Normalized);
+                                                         array->Normalized,
+                                                         array->Integer);
       assert(velements[attr].src_format);
    }
 
@@ -584,20 +640,7 @@ setup_index_buffer(struct gl_context *ctx,
    if (ib) {
       struct gl_buffer_object *bufobj = ib->obj;
 
-      switch (ib->type) {
-      case GL_UNSIGNED_INT:
-         ibuffer->index_size = 4;
-         break;
-      case GL_UNSIGNED_SHORT:
-         ibuffer->index_size = 2;
-         break;
-      case GL_UNSIGNED_BYTE:
-         ibuffer->index_size = 1;
-         break;
-      default:
-         assert(0);
-	 return;
-      }
+      ibuffer->index_size = vbo_sizeof_ib_type(ib->type);
 
       /* get/create the index buffer object */
       if (_mesa_is_bufferobj(bufobj)) {
@@ -781,16 +824,17 @@ handle_fallback_primitive_restart(struct pipe_context *pipe,
                                   start * ibuffer->index_size, /* start */
                                   count * ibuffer->index_size, /* length */
                                   PIPE_TRANSFER_READ, &transfer);
+      if (!ptr)
+         return;
+
+      ptr = (uint8_t*)ptr + (ibuffer->offset - start * ibuffer->index_size);
    }
    else {
       ptr = ib->ptr;
+      if (!ptr)
+         return;
    }
 
-   if (!ptr)
-      return;
-
-   ptr = ADD_POINTERS(ptr, ibuffer->offset);
-
    sub_prims = find_sub_primitives(ptr, ibuffer->index_size,
                                    0, count, orig_info->restart_index,
                                    &num_sub_prims);
diff --git a/mesalib/src/mesa/state_tracker/st_draw.h b/mesalib/src/mesa/state_tracker/st_draw.h
index 2623cdbb1..47bdb11f8 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.h
+++ b/mesalib/src/mesa/state_tracker/st_draw.h
@@ -73,7 +73,7 @@ st_feedback_draw_vbo(struct gl_context *ctx,
  */
 extern enum pipe_format
 st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
-                      GLboolean normalized);
+                      GLboolean normalized, GLboolean integer);
 
 
 /**
diff --git a/mesalib/src/mesa/state_tracker/st_draw_feedback.c b/mesalib/src/mesa/state_tracker/st_draw_feedback.c
index 4c1e67495..fbf0349b4 100644
--- a/mesalib/src/mesa/state_tracker/st_draw_feedback.c
+++ b/mesalib/src/mesa/state_tracker/st_draw_feedback.c
@@ -196,7 +196,8 @@ st_feedback_draw_vbo(struct gl_context *ctx,
          st_pipe_vertex_format(arrays[mesaAttr]->Type,
                                arrays[mesaAttr]->Size,
                                arrays[mesaAttr]->Format,
-                               arrays[mesaAttr]->Normalized);
+                               arrays[mesaAttr]->Normalized,
+                               arrays[mesaAttr]->Integer);
       assert(velements[attr].src_format);
 
       /* tell draw about this attribute */
@@ -218,20 +219,9 @@ st_feedback_draw_vbo(struct gl_context *ctx,
    if (ib) {
       struct gl_buffer_object *bufobj = ib->obj;
 
-      switch (ib->type) {
-      case GL_UNSIGNED_INT:
-         ibuffer.index_size = 4;
-         break;
-      case GL_UNSIGNED_SHORT:
-         ibuffer.index_size = 2;
-         break;
-      case GL_UNSIGNED_BYTE:
-         ibuffer.index_size = 1;
-         break;
-      default:
-         assert(0);
-	 goto out_unref_vertex;
-      }
+      ibuffer.index_size = vbo_sizeof_ib_type(ib->type);
+      if (ibuffer.index_size == 0)
+         goto out_unref_vertex;
 
       if (bufobj && bufobj->Name) {
          struct st_buffer_object *stobj = st_buffer_object(bufobj);
diff --git a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
index 36fea3d7f..d817a9c2b 100644
--- a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
@@ -244,7 +244,7 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
       ctx->Driver.FreeTextureImageBuffer(ctx, dstImage);
 
       /* initialize new image */
-      _mesa_init_teximage_fields(ctx, target, dstImage, dstWidth, dstHeight,
+      _mesa_init_teximage_fields(ctx, dstImage, dstWidth, dstHeight,
                                  dstDepth, border, srcImage->InternalFormat,
                                  srcImage->TexFormat);
 
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 77aa0d17b..73d956ea1 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -304,6 +304,7 @@ public:
    int samplers_used;
    bool indirect_addr_temps;
    bool indirect_addr_consts;
+   int num_clip_distances;
    
    int glsl_version;
    bool native_integers;
@@ -413,7 +414,6 @@ public:
 
    bool process_move_condition(ir_rvalue *ir);
 
-   void remove_output_reads(gl_register_file type);
    void simplify_cmp(void);
 
    void rename_temp_register(int index, int new_index);
@@ -1781,6 +1781,9 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
    case ir_unop_floor:
       emit(ir, TGSI_OPCODE_FLR, result_dst, op[0]);
       break;
+   case ir_unop_round_even:
+      emit(ir, TGSI_OPCODE_ROUND, result_dst, op[0]);
+      break;
    case ir_unop_fract:
       emit(ir, TGSI_OPCODE_FRC, result_dst, op[0]);
       break;
@@ -1830,7 +1833,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
          emit(ir, TGSI_OPCODE_OR, result_dst, op[0], op[1]);
          break;
       }
-   case ir_unop_round_even:
+
       assert(!"GLSL 1.30 features unsupported");
       break;
 
@@ -2920,89 +2923,6 @@ set_uniform_initializer(struct gl_context *ctx, void *mem_ctx,
    }
 }
 
-/*
- * Scan/rewrite program to remove reads of custom (output) registers.
- * The passed type has to be either PROGRAM_OUTPUT or PROGRAM_VARYING
- * (for vertex shaders).
- * In GLSL shaders, varying vars can be read and written.
- * On some hardware, trying to read an output register causes trouble.
- * So, rewrite the program to use a temporary register in this case.
- * 
- * Based on _mesa_remove_output_reads from programopt.c.
- */
-void
-glsl_to_tgsi_visitor::remove_output_reads(gl_register_file type)
-{
-   GLuint i;
-   GLint outputMap[VERT_RESULT_MAX];
-   GLint outputTypes[VERT_RESULT_MAX];
-   GLuint numVaryingReads = 0;
-   GLboolean *usedTemps;
-   GLuint firstTemp = 0;
-
-   usedTemps = new GLboolean[MAX_TEMPS];
-   if (!usedTemps) {
-      return;
-   }
-   _mesa_find_used_registers(prog, PROGRAM_TEMPORARY,
-                             usedTemps, MAX_TEMPS);
-
-   assert(type == PROGRAM_VARYING || type == PROGRAM_OUTPUT);
-   assert(prog->Target == GL_VERTEX_PROGRAM_ARB || type != PROGRAM_VARYING);
-
-   for (i = 0; i < VERT_RESULT_MAX; i++)
-      outputMap[i] = -1;
-
-   /* look for instructions which read from varying vars */
-   foreach_iter(exec_list_iterator, iter, this->instructions) {
-      glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
-      const GLuint numSrc = num_inst_src_regs(inst->op);
-      GLuint j;
-      for (j = 0; j < numSrc; j++) {
-         if (inst->src[j].file == type) {
-            /* replace the read with a temp reg */
-            const GLuint var = inst->src[j].index;
-            if (outputMap[var] == -1) {
-               numVaryingReads++;
-               outputMap[var] = _mesa_find_free_register(usedTemps,
-                                                         MAX_TEMPS,
-                                                         firstTemp);
-               outputTypes[var] = inst->src[j].type;
-               firstTemp = outputMap[var] + 1;
-            }
-            inst->src[j].file = PROGRAM_TEMPORARY;
-            inst->src[j].index = outputMap[var];
-         }
-      }
-   }
-
-   delete [] usedTemps;
-
-   if (numVaryingReads == 0)
-      return; /* nothing to be done */
-
-   /* look for instructions which write to the varying vars identified above */
-   foreach_iter(exec_list_iterator, iter, this->instructions) {
-      glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction *)iter.get();
-      if (inst->dst.file == type && outputMap[inst->dst.index] >= 0) {
-         /* change inst to write to the temp reg, instead of the varying */
-         inst->dst.file = PROGRAM_TEMPORARY;
-         inst->dst.index = outputMap[inst->dst.index];
-      }
-   }
-   
-   /* insert new MOV instructions at the end */
-   for (i = 0; i < VERT_RESULT_MAX; i++) {
-      if (outputMap[i] >= 0) {
-         /* MOV VAR[i], TEMP[tmp]; */
-         st_src_reg src = st_src_reg(PROGRAM_TEMPORARY, outputMap[i], outputTypes[i]);
-         st_dst_reg dst = st_dst_reg(type, WRITEMASK_XYZW, outputTypes[i]);
-         dst.index = i;
-         this->emit(NULL, TGSI_OPCODE_MOV, dst, src);
-      }
-   }
-}
-
 /**
  * Returns the mask of channels (bitmask of WRITEMASK_X,Y,Z,W) which
  * are read from the given src in this instruction
@@ -3505,10 +3425,15 @@ glsl_to_tgsi_visitor::eliminate_dead_code_advanced(void)
       switch (inst->op) {
       case TGSI_OPCODE_BGNLOOP:
       case TGSI_OPCODE_ENDLOOP:
+      case TGSI_OPCODE_CONT:
+      case TGSI_OPCODE_BRK:
          /* End of a basic block, clear the write array entirely.
-          * FIXME: This keeps us from killing dead code when the writes are
+          *
+          * This keeps us from killing dead code when the writes are
           * on either side of a loop, even when the register isn't touched
-          * inside the loop.
+          * inside the loop.  However, glsl_to_tgsi_visitor doesn't seem to emit
+          * dead code of this type, so it shouldn't make a difference as long as
+          * the dead code elimination pass in the GLSL compiler does its job.
           */
          memset(writes, 0, sizeof(*writes) * this->next_temp * 4);
          break;
@@ -3708,6 +3633,7 @@ get_pixel_transfer_visitor(struct st_fragment_program *fp,
    /* Copy attributes of the glsl_to_tgsi_visitor in the original shader. */
    v->ctx = original->ctx;
    v->prog = prog;
+   v->shader_program = NULL;
    v->glsl_version = original->glsl_version;
    v->native_integers = original->native_integers;
    v->options = original->options;
@@ -3837,6 +3763,7 @@ get_bitmap_visitor(struct st_fragment_program *fp,
    /* Copy attributes of the glsl_to_tgsi_visitor in the original shader. */
    v->ctx = original->ctx;
    v->prog = prog;
+   v->shader_program = NULL;
    v->glsl_version = original->glsl_version;
    v->native_integers = original->native_integers;
    v->options = original->options;
@@ -4550,6 +4477,15 @@ st_translate_program(
    t->pointSizeOutIndex = -1;
    t->prevInstWrotePointSize = GL_FALSE;
 
+   if (program->shader_program) {
+      for (i = 0; i < program->shader_program->NumUserUniformStorage; i++) {
+         struct gl_uniform_storage *const storage =
+               &program->shader_program->UniformStorage[i];
+
+         _mesa_uniform_detach_all_driver_storage(storage);
+      }
+   }
+
    /*
     * Declare input attributes.
     */
@@ -4622,9 +4558,17 @@ st_translate_program(
       }
 
       for (i = 0; i < numOutputs; i++) {
-         t->outputs[i] = ureg_DECL_output(ureg,
-                                          outputSemanticName[i],
-                                          outputSemanticIndex[i]);
+         if (outputSemanticName[i] == TGSI_SEMANTIC_CLIPDIST) {
+            int mask = ((1 << (program->num_clip_distances - 4*outputSemanticIndex[i])) - 1) & TGSI_WRITEMASK_XYZW;
+            t->outputs[i] = ureg_DECL_output_masked(ureg,
+                                                    outputSemanticName[i],
+                                                    outputSemanticIndex[i],
+                                                    mask);
+         } else {
+            t->outputs[i] = ureg_DECL_output(ureg,
+                                             outputSemanticName[i],
+                                             outputSemanticIndex[i]);
+         }
          if ((outputSemanticName[i] == TGSI_SEMANTIC_PSIZE) && proginfo->Id) {
             /* Writing to the point size result register requires special
              * handling to implement clamping.
@@ -4776,6 +4720,20 @@ st_translate_program(
                        t->insn[t->labels[i].branch_target]);
    }
 
+   if (program->shader_program) {
+      /* This has to be done last.  Any operation the can cause
+       * prog->ParameterValues to get reallocated (e.g., anything that adds a
+       * program constant) has to happen before creating this linkage.
+       */
+      for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
+         if (program->shader_program->_LinkedShaders[i] == NULL)
+            continue;
+
+         _mesa_associate_uniform_storage(ctx, program->shader_program,
+               program->shader_program->_LinkedShaders[i]->Program->Parameters);
+      }
+   }
+
 out:
    if (t) {
       FREE(t->insn);
@@ -4801,7 +4759,8 @@ out:
 static struct gl_program *
 get_mesa_program(struct gl_context *ctx,
                  struct gl_shader_program *shader_program,
-        	 struct gl_shader *shader)
+                 struct gl_shader *shader,
+                 int num_clip_distances)
 {
    glsl_to_tgsi_visitor* v = new glsl_to_tgsi_visitor();
    struct gl_program *prog;
@@ -4846,10 +4805,18 @@ get_mesa_program(struct gl_context *ctx,
    v->options = options;
    v->glsl_version = ctx->Const.GLSLVersion;
    v->native_integers = ctx->Const.NativeIntegers;
+   v->num_clip_distances = num_clip_distances;
 
    _mesa_generate_parameters_list_for_uniforms(shader_program, shader,
 					       prog->Parameters);
 
+   if (!screen->get_shader_param(screen, pipe_shader_type,
+                                 PIPE_SHADER_CAP_OUTPUT_READ)) {
+      /* Remove reads to output registers, and to varyings in vertex shaders. */
+      lower_output_reads(shader->ir);
+   }
+
+
    /* Emit intermediate IR for main(). */
    visit_exec_list(shader->ir, v);
 
@@ -4896,14 +4863,6 @@ get_mesa_program(struct gl_context *ctx,
    }
 #endif
 
-   if (!screen->get_shader_param(screen, pipe_shader_type,
-                                 PIPE_SHADER_CAP_OUTPUT_READ)) {
-      /* Remove reads to output registers, and to varyings in vertex shaders. */
-      v->remove_output_reads(PROGRAM_OUTPUT);
-      if (target == GL_VERTEX_PROGRAM_ARB)
-         v->remove_output_reads(PROGRAM_VARYING);
-   }
-   
    /* Perform optimizations on the instructions in the glsl_to_tgsi_visitor. */
    v->simplify_cmp();
    v->copy_propagate();
@@ -4975,6 +4934,25 @@ get_mesa_program(struct gl_context *ctx,
    return prog;
 }
 
+/**
+ * Searches through the IR for a declaration of gl_ClipDistance and returns the
+ * declared size of the gl_ClipDistance array.  Returns 0 if gl_ClipDistance is
+ * not declared in the IR.
+ */
+int get_clip_distance_size(exec_list *ir)
+{
+   foreach_iter (exec_list_iterator, iter, *ir) {
+      ir_instruction *inst = (ir_instruction *)iter.get();
+      ir_variable *var = inst->as_variable();
+      if (var == NULL) continue;
+      if (!strcmp(var->name, "gl_ClipDistance")) {
+         return var->type->length;
+      }
+   }
+   
+   return 0;
+}
+
 extern "C" {
 
 struct gl_shader *
@@ -5013,6 +4991,7 @@ st_new_shader_program(struct gl_context *ctx, GLuint name)
 GLboolean
 st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 {
+   int num_clip_distances[MESA_SHADER_TYPES];
    assert(prog->LinkStatus);
 
    for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
@@ -5024,6 +5003,11 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
       const struct gl_shader_compiler_options *options =
             &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(prog->_LinkedShaders[i]->Type)];
 
+      /* We have to determine the length of the gl_ClipDistance array before
+       * the array is lowered to two vec4s by lower_clip_distance().
+       */
+      num_clip_distances[i] = get_clip_distance_size(ir);
+
       do {
          progress = false;
 
@@ -5040,6 +5024,7 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 	   || progress;
 
          progress = lower_quadop_vector(ir, false) || progress;
+         progress = lower_clip_distance(ir) || progress;
 
          if (options->MaxIfDepth == 0)
             progress = lower_discard(ir) || progress;
@@ -5074,7 +5059,8 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
       if (prog->_LinkedShaders[i] == NULL)
          continue;
 
-      linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i]);
+      linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i],
+                                     num_clip_distances[i]);
 
       if (linked_prog) {
 	 static const GLenum targets[] = {
@@ -5120,7 +5106,8 @@ st_translate_stream_output_info(struct glsl_to_tgsi_visitor *glsl_to_tgsi,
       so->output[i].register_index =
          outputMapping[info->Outputs[i].OutputRegister];
       so->output[i].register_mask =
-         comps_to_mask[info->Outputs[i].NumComponents];
+         comps_to_mask[info->Outputs[i].NumComponents]
+         << info->Outputs[i].ComponentOffset;
       so->output[i].output_buffer = info->Outputs[i].OutputBuffer;
    }
    so->num_outputs = info->NumOutputs;
diff --git a/mesalib/src/mesa/state_tracker/st_manager.c b/mesalib/src/mesa/state_tracker/st_manager.c
index 828f0d81f..c0af3ce11 100644
--- a/mesalib/src/mesa/state_tracker/st_manager.c
+++ b/mesalib/src/mesa/state_tracker/st_manager.c
@@ -535,7 +535,7 @@ st_context_teximage(struct st_context_iface *stctxi,
       texFormat = st_ChooseTextureFormat(ctx, internalFormat,
                                          GL_BGRA, GL_UNSIGNED_BYTE);
 
-      _mesa_init_teximage_fields(ctx, target, texImage,
+      _mesa_init_teximage_fields(ctx, texImage,
                                  tex->width0, tex->height0, 1, 0,
                                  internalFormat, texFormat);
 
@@ -647,9 +647,13 @@ st_api_create_context(struct st_api *stapi, struct st_manager *smapi,
    if (attribs->major > 1 || attribs->minor > 0) {
       _mesa_compute_version(st->ctx);
 
-      /* is the actual version less than the requested version? */
+      /* Is the actual version less than the requested version?  Mesa can't
+       * yet enforce the added restrictions of a forward-looking context, so
+       * fail that too.
+       */
       if (st->ctx->VersionMajor * 10 + st->ctx->VersionMinor <
-          attribs->major * 10 + attribs->minor) {
+          attribs->major * 10 + attribs->minor
+	  || (attribs->flags & ~ST_CONTEXT_FLAG_DEBUG) != 0) {
 	 *error = ST_CONTEXT_ERROR_BAD_VERSION;
          st_destroy_context(st);
          return NULL;
diff --git a/mesalib/src/mesa/state_tracker/st_program.c b/mesalib/src/mesa/state_tracker/st_program.c
index b83c56165..aceaaf8c5 100644
--- a/mesalib/src/mesa/state_tracker/st_program.c
+++ b/mesalib/src/mesa/state_tracker/st_program.c
@@ -244,6 +244,14 @@ st_prepare_vertex_program(struct gl_context *ctx,
             stvp->output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE;
             stvp->output_semantic_index[slot] = 0;
             break;
+         case VERT_RESULT_CLIP_DIST0:
+            stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+            stvp->output_semantic_index[slot] = 0;
+            break;
+         case VERT_RESULT_CLIP_DIST1:
+            stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+            stvp->output_semantic_index[slot] = 1;
+            break;
          case VERT_RESULT_EDGE:
             assert(0);
             break;
@@ -530,12 +538,12 @@ st_translate_fragment_program(struct st_context *st,
             case FRAG_ATTRIB_COL0:
                input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
                input_semantic_index[slot] = 0;
-               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr]);
                break;
             case FRAG_ATTRIB_COL1:
                input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
                input_semantic_index[slot] = 1;
-               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr]);
                break;
             case FRAG_ATTRIB_FOGC:
                input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
@@ -547,6 +555,16 @@ st_translate_fragment_program(struct st_context *st,
                input_semantic_index[slot] = 0;
                interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
                break;
+            case FRAG_ATTRIB_CLIP_DIST0:
+               input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+               input_semantic_index[slot] = 0;
+               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               break;
+            case FRAG_ATTRIB_CLIP_DIST1:
+               input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+               input_semantic_index[slot] = 1;
+               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               break;
                /* In most cases, there is nothing special about these
                 * inputs, so adopt a convention to use the generic
                 * semantic name and the mesa FRAG_ATTRIB_ number as the
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c
index 3323bbbbe..132d7a81c 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_texture.c
@@ -215,12 +215,19 @@ st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
                      GLuint zoffset, enum pipe_transfer_usage usage,
                      GLuint x, GLuint y, GLuint w, GLuint h)
 {
+   struct st_texture_object *stObj =
+      st_texture_object(stImage->base.TexObject);
    struct pipe_context *pipe = st->pipe;
-   struct pipe_resource *pt = stImage->pt;
+   GLuint level;
 
    DBG("%s \n", __FUNCTION__);
 
-   stImage->transfer = pipe_get_transfer(st->pipe, pt, stImage->base.Level,
+   if (stObj->pt != stImage->pt)
+      level = 0;
+   else
+      level = stImage->base.Level;
+
+   stImage->transfer = pipe_get_transfer(st->pipe, stImage->pt, level,
                                          stImage->base.Face + zoffset,
                                          usage, x, y, w, h);
 
diff --git a/mesalib/src/mesa/swrast/s_blit.c b/mesalib/src/mesa/swrast/s_blit.c
index 803ad2e89..1063024fb 100644
--- a/mesalib/src/mesa/swrast/s_blit.c
+++ b/mesalib/src/mesa/swrast/s_blit.c
@@ -27,6 +27,8 @@
 #include "main/condrender.h"
 #include "main/image.h"
 #include "main/macros.h"
+#include "main/format_unpack.h"
+#include "main/format_pack.h"
 #include "s_context.h"
 
 
@@ -122,10 +124,18 @@ blit_nearest(struct gl_context *ctx,
 
    const GLboolean invertX = (srcX1 < srcX0) ^ (dstX1 < dstX0);
    const GLboolean invertY = (srcY1 < srcY0) ^ (dstY1 < dstY0);
-
+   enum mode {
+      DIRECT,
+      UNPACK_RGBA_FLOAT,
+      UNPACK_Z_FLOAT,
+      UNPACK_Z_INT,
+      UNPACK_S,
+   } mode;
+   GLubyte *srcMap, *dstMap;
+   GLint srcRowStride, dstRowStride;
    GLint dstRow;
 
-   GLint comps, pixelSize;
+   GLint pixelSize;
    GLvoid *srcBuffer, *dstBuffer;
    GLint prevY = -1;
 
@@ -138,42 +148,43 @@ blit_nearest(struct gl_context *ctx,
    case GL_COLOR_BUFFER_BIT:
       readRb = ctx->ReadBuffer->_ColorReadBuffer;
       drawRb = ctx->DrawBuffer->_ColorDrawBuffers[0];
-      comps = 4;
+
+      if (readRb->Format == drawRb->Format) {
+	 mode = DIRECT;
+	 pixelSize = _mesa_get_format_bytes(readRb->Format);
+      } else {
+	 mode = UNPACK_RGBA_FLOAT;
+	 pixelSize = 16;
+      }
+
       break;
    case GL_DEPTH_BUFFER_BIT:
-      readRb = ctx->ReadBuffer->_DepthBuffer;
-      drawRb = ctx->DrawBuffer->_DepthBuffer;
-      comps = 1;
+      readRb = ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+      drawRb = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+
+      /* Note that for depth/stencil, the formats of src/dst must match.  By
+       * using the core helpers for pack/unpack, we avoid needing to handle
+       * masking for things like DEPTH copies of Z24S8.
+       */
+      if (readRb->Format == MESA_FORMAT_Z32_FLOAT ||
+	  readRb->Format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+	 mode = UNPACK_Z_FLOAT;
+      } else {
+	 mode = UNPACK_Z_INT;
+      }
+      pixelSize = 4;
       break;
    case GL_STENCIL_BUFFER_BIT:
-      readRb = ctx->ReadBuffer->_StencilBuffer;
-      drawRb = ctx->DrawBuffer->_StencilBuffer;
-      comps = 1;
+      readRb = ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
+      drawRb = ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
+      mode = UNPACK_S;
+      pixelSize = 1;
       break;
    default:
       _mesa_problem(ctx, "unexpected buffer in blit_nearest()");
       return;
    }
 
-   switch (readRb->DataType) {
-   case GL_UNSIGNED_BYTE:
-      pixelSize = comps * sizeof(GLubyte);
-      break;
-   case GL_UNSIGNED_SHORT:
-      pixelSize = comps * sizeof(GLushort);
-      break;
-   case GL_UNSIGNED_INT:
-      pixelSize = comps * sizeof(GLuint);
-      break;
-   case GL_FLOAT:
-      pixelSize = comps * sizeof(GLfloat);
-      break;
-   default:
-      _mesa_problem(ctx, "unexpected buffer type (0x%x) in blit_nearest",
-                    readRb->DataType);
-      return;
-   }
-
    /* choose row resampler */
    switch (pixelSize) {
    case 1:
@@ -197,6 +208,62 @@ blit_nearest(struct gl_context *ctx,
       return;
    }
 
+   if (readRb == drawRb) {
+      /* map whole buffer for read/write */
+      /* XXX we could be clever and just map the union region of the
+       * source and dest rects.
+       */
+      GLubyte *map;
+      GLint rowStride;
+      GLint formatSize = _mesa_get_format_bytes(readRb->Format);
+
+      ctx->Driver.MapRenderbuffer(ctx, readRb, 0, 0,
+                                  readRb->Width, readRb->Height,
+                                  GL_MAP_READ_BIT | GL_MAP_WRITE_BIT,
+                                  &map, &rowStride);
+      if (!map) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFramebuffer");
+         return;
+      }
+
+      srcMap = map + srcYpos * rowStride + srcXpos * formatSize;
+      dstMap = map + dstYpos * rowStride + dstXpos * formatSize;
+
+      /* this handles overlapping copies */
+      if (srcY0 < dstY0) {
+         /* copy in reverse (top->down) order */
+         srcMap += rowStride * (readRb->Height - 1);
+         dstMap += rowStride * (readRb->Height - 1);
+         srcRowStride = -rowStride;
+         dstRowStride = -rowStride;
+      }
+      else {
+         /* copy in normal (bottom->up) order */
+         srcRowStride = rowStride;
+         dstRowStride = rowStride;
+      }
+   }
+   else {
+      /* different src/dst buffers */
+      ctx->Driver.MapRenderbuffer(ctx, readRb,
+				  srcXpos, srcYpos,
+                                  srcWidth, srcHeight,
+                                  GL_MAP_READ_BIT, &srcMap, &srcRowStride);
+      if (!srcMap) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFramebuffer");
+         return;
+      }
+      ctx->Driver.MapRenderbuffer(ctx, drawRb,
+				  dstXpos, dstYpos,
+                                  dstWidth, dstHeight,
+                                  GL_MAP_WRITE_BIT, &dstMap, &dstRowStride);
+      if (!dstMap) {
+         ctx->Driver.UnmapRenderbuffer(ctx, readRb);
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFramebuffer");
+         return;
+      }
+   }
+
    /* allocate the src/dst row buffers */
    srcBuffer = malloc(pixelSize * srcWidth);
    if (!srcBuffer) {
@@ -211,9 +278,8 @@ blit_nearest(struct gl_context *ctx,
    }
 
    for (dstRow = 0; dstRow < dstHeight; dstRow++) {
-      const GLint dstY = dstYpos + dstRow;
       GLint srcRow = (dstRow * srcHeight) / dstHeight;
-      GLint srcY;
+      GLubyte *dstRowStart = dstMap + dstRowStride * dstRow;
 
       ASSERT(srcRow >= 0);
       ASSERT(srcRow < srcHeight);
@@ -222,21 +288,67 @@ blit_nearest(struct gl_context *ctx,
          srcRow = srcHeight - 1 - srcRow;
       }
 
-      srcY = srcYpos + srcRow;
-
       /* get pixel row from source and resample to match dest width */
-      if (prevY != srcY) {
-         readRb->GetRow(ctx, readRb, srcWidth, srcXpos, srcY, srcBuffer);
+      if (prevY != srcRow) {
+	 GLubyte *srcRowStart = srcMap + srcRowStride * srcRow;
+
+	 switch (mode) {
+	 case DIRECT:
+	    memcpy(srcBuffer, srcRowStart, pixelSize * srcWidth);
+	    break;
+	 case UNPACK_RGBA_FLOAT:
+	    _mesa_unpack_rgba_row(readRb->Format, srcWidth, srcRowStart,
+				  srcBuffer);
+	    break;
+	 case UNPACK_Z_FLOAT:
+	    _mesa_unpack_float_z_row(readRb->Format, srcWidth, srcRowStart,
+				     srcBuffer);
+	    break;
+	 case UNPACK_Z_INT:
+	    _mesa_unpack_uint_z_row(readRb->Format, srcWidth, srcRowStart,
+				    srcBuffer);
+	    break;
+	 case UNPACK_S:
+	    _mesa_unpack_ubyte_stencil_row(readRb->Format, srcWidth,
+					   srcRowStart, srcBuffer);
+	    break;
+	 }
+
          (*resampleRow)(srcWidth, dstWidth, srcBuffer, dstBuffer, invertX);
-         prevY = srcY;
+         prevY = srcRow;
       }
 
       /* store pixel row in destination */
-      drawRb->PutRow(ctx, drawRb, dstWidth, dstXpos, dstY, dstBuffer, NULL);
+      switch (mode) {
+      case DIRECT:
+	 memcpy(dstRowStart, dstBuffer, pixelSize * srcWidth);
+	 break;
+      case UNPACK_RGBA_FLOAT:
+	 _mesa_pack_float_rgba_row(drawRb->Format, dstWidth, dstBuffer,
+				   dstRowStart);
+	 break;
+      case UNPACK_Z_FLOAT:
+	 _mesa_pack_float_z_row(drawRb->Format, dstWidth, dstBuffer,
+				dstRowStart);
+	 break;
+      case UNPACK_Z_INT:
+	 _mesa_pack_uint_z_row(drawRb->Format, dstWidth, dstBuffer,
+			       dstRowStart);
+	 break;
+      case UNPACK_S:
+	 _mesa_pack_ubyte_stencil_row(drawRb->Format, dstWidth, dstBuffer,
+				      dstRowStart);
+	 break;
+      }
    }
 
    free(srcBuffer);
    free(dstBuffer);
+
+   ctx->Driver.UnmapRenderbuffer(ctx, readRb);
+   if (drawRb != readRb) {
+      ctx->Driver.UnmapRenderbuffer(ctx, drawRb);
+   }
 }
 
 
@@ -449,117 +561,6 @@ blit_linear(struct gl_context *ctx,
    free(dstBuffer);
 }
 
-
-/**
- * Simple case:  Blit color, depth or stencil with no scaling or flipping.
- * XXX we could easily support vertical flipping here.
- */
-static void
-simple_blit(struct gl_context *ctx,
-            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
-            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
-            GLbitfield buffer)
-{
-   struct gl_renderbuffer *readRb, *drawRb;
-   const GLint width = srcX1 - srcX0;
-   const GLint height = srcY1 - srcY0;
-   GLint row, srcY, dstY, yStep;
-   GLint comps, bytesPerRow;
-   void *rowBuffer;
-
-   /* only one buffer */
-   ASSERT(_mesa_bitcount(buffer) == 1);
-   /* no flipping checks */
-   ASSERT(srcX0 < srcX1);
-   ASSERT(srcY0 < srcY1);
-   ASSERT(dstX0 < dstX1);
-   ASSERT(dstY0 < dstY1);
-   /* size checks */
-   ASSERT(srcX1 - srcX0 == dstX1 - dstX0);
-   ASSERT(srcY1 - srcY0 == dstY1 - dstY0);
-
-   /* From the GL_ARB_framebuffer_object spec:
-    *
-    *     "If the source and destination buffers are identical, and the source
-    *      and destination rectangles overlap, the result of the blit operation
-    *      is undefined."
-    *
-    * However, we provide the expected result anyway by flipping the order of
-    * the memcpy of rows.
-    */
-   if (srcY0 > dstY0) {
-      /* src above dst: copy bottom-to-top */
-      yStep = 1;
-      srcY = srcY0;
-      dstY = dstY0;
-   }
-   else {
-      /* src below dst: copy top-to-bottom */
-      yStep = -1;
-      srcY = srcY1 - 1;
-      dstY = dstY1 - 1;
-   }
-
-   switch (buffer) {
-   case GL_COLOR_BUFFER_BIT:
-      readRb = ctx->ReadBuffer->_ColorReadBuffer;
-      drawRb = ctx->DrawBuffer->_ColorDrawBuffers[0];
-      comps = 4;
-      break;
-   case GL_DEPTH_BUFFER_BIT:
-      readRb = ctx->ReadBuffer->_DepthBuffer;
-      drawRb = ctx->DrawBuffer->_DepthBuffer;
-      comps = 1;
-      break;
-   case GL_STENCIL_BUFFER_BIT:
-      readRb = ctx->ReadBuffer->_StencilBuffer;
-      drawRb = ctx->DrawBuffer->_StencilBuffer;
-      comps = 1;
-      break;
-   default:
-      _mesa_problem(ctx, "unexpected buffer in simple_blit()");
-      return;
-   }
-
-   ASSERT(readRb->DataType == drawRb->DataType);
-
-   /* compute bytes per row */
-   switch (readRb->DataType) {
-   case GL_UNSIGNED_BYTE:
-      bytesPerRow = comps * width * sizeof(GLubyte);
-      break;
-   case GL_UNSIGNED_SHORT:
-      bytesPerRow = comps * width * sizeof(GLushort);
-      break;
-   case GL_UNSIGNED_INT:
-      bytesPerRow = comps * width * sizeof(GLuint);
-      break;
-   case GL_FLOAT:
-      bytesPerRow = comps * width * sizeof(GLfloat);
-      break;
-   default:
-      _mesa_problem(ctx, "unexpected buffer type in simple_blit");
-      return;
-   }
-
-   /* allocate the row buffer */
-   rowBuffer = malloc(bytesPerRow);
-   if (!rowBuffer) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBlitFrameBufferEXT");
-      return;
-   }
-
-   for (row = 0; row < height; row++) {
-      readRb->GetRow(ctx, readRb, width, srcX0, srcY, rowBuffer);
-      drawRb->PutRow(ctx, drawRb, width, dstX0, dstY, rowBuffer, NULL);
-      srcY += yStep;
-      dstY += yStep;
-   }
-
-   free(rowBuffer);
-}
-
-
 /**
  * Software fallback for glBlitFramebufferEXT().
  */
@@ -574,6 +575,11 @@ _swrast_BlitFramebuffer(struct gl_context *ctx,
       GL_DEPTH_BUFFER_BIT,
       GL_STENCIL_BUFFER_BIT
    };
+   static const GLenum buffer_enums[3] = {
+      GL_COLOR,
+      GL_DEPTH,
+      GL_STENCIL,
+   };
    GLint i;
 
    if (!_mesa_clip_blit(ctx, &srcX0, &srcY0, &srcX1, &srcY1,
@@ -584,41 +590,47 @@ _swrast_BlitFramebuffer(struct gl_context *ctx,
    if (SWRAST_CONTEXT(ctx)->NewState)
       _swrast_validate_derived(ctx);
 
-   swrast_render_start(ctx);
-
+   /* First, try covering whatever buffers possible using the fast 1:1 copy
+    * path.
+    */
    if (srcX1 - srcX0 == dstX1 - dstX0 &&
        srcY1 - srcY0 == dstY1 - dstY0 &&
        srcX0 < srcX1 &&
        srcY0 < srcY1 &&
        dstX0 < dstX1 &&
        dstY0 < dstY1) {
-      /* no stretching or flipping.
-       * filter doesn't matter.
-       */
       for (i = 0; i < 3; i++) {
          if (mask & buffers[i]) {
-            simple_blit(ctx, srcX0, srcY0, srcX1, srcY1,
-                        dstX0, dstY0, dstX1, dstY1, buffers[i]);
-         }
+	    if (swrast_fast_copy_pixels(ctx,
+					srcX0, srcY0,
+					srcX1 - srcX0, srcY1 - srcY0,
+					dstX0, dstY0,
+					buffer_enums[i])) {
+	       mask &= ~buffers[i];
+	    }
+	 }
+      }
+
+      if (!mask)
+	 return;
+   }
+
+   if (filter == GL_NEAREST) {
+      for (i = 0; i < 3; i++) {
+	 if (mask & buffers[i]) {
+	    blit_nearest(ctx,  srcX0, srcY0, srcX1, srcY1,
+			 dstX0, dstY0, dstX1, dstY1, buffers[i]);
+	 }
       }
    }
    else {
-      if (filter == GL_NEAREST) {
-         for (i = 0; i < 3; i++) {
-            if (mask & buffers[i]) {
-               blit_nearest(ctx,  srcX0, srcY0, srcX1, srcY1,
-                            dstX0, dstY0, dstX1, dstY1, buffers[i]);
-            }
-         }
-      }
-      else {
-         ASSERT(filter == GL_LINEAR);
-         if (mask & GL_COLOR_BUFFER_BIT) {  /* depth/stencil not allowed */
-            blit_linear(ctx,  srcX0, srcY0, srcX1, srcY1,
-                        dstX0, dstY0, dstX1, dstY1);
-         }
+      ASSERT(filter == GL_LINEAR);
+      if (mask & GL_COLOR_BUFFER_BIT) {  /* depth/stencil not allowed */
+	 swrast_render_start(ctx);
+	 blit_linear(ctx,  srcX0, srcY0, srcX1, srcY1,
+		     dstX0, dstY0, dstX1, dstY1);
+	 swrast_render_finish(ctx);
       }
    }
 
-   swrast_render_finish(ctx);
 }
diff --git a/mesalib/src/mesa/swrast/s_copypix.c b/mesalib/src/mesa/swrast/s_copypix.c
index 1dc4286a3..1e0f9fe7d 100644
--- a/mesalib/src/mesa/swrast/s_copypix.c
+++ b/mesalib/src/mesa/swrast/s_copypix.c
@@ -422,13 +422,13 @@ copy_stencil_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
 
 
 /**
- * Try to do a fast copy pixels with memcpy.
+ * Try to do a fast 1:1 blit with memcpy.
  * \return GL_TRUE if successful, GL_FALSE otherwise.
  */
-static GLboolean
-fast_copy_pixels(struct gl_context *ctx,
-                 GLint srcX, GLint srcY, GLsizei width, GLsizei height,
-                 GLint dstX, GLint dstY, GLenum type)
+GLboolean
+swrast_fast_copy_pixels(struct gl_context *ctx,
+			GLint srcX, GLint srcY, GLsizei width, GLsizei height,
+			GLint dstX, GLint dstY, GLenum type)
 {
    struct gl_framebuffer *srcFb = ctx->ReadBuffer;
    struct gl_framebuffer *dstFb = ctx->DrawBuffer;
@@ -438,14 +438,6 @@ fast_copy_pixels(struct gl_context *ctx,
    GLubyte *srcMap, *dstMap;
    GLint srcRowStride, dstRowStride;
 
-   if (SWRAST_CONTEXT(ctx)->_RasterMask != 0x0 ||
-       ctx->Pixel.ZoomX != 1.0F ||
-       ctx->Pixel.ZoomY != 1.0F ||
-       ctx->_ImageTransferState) {
-      /* can't handle these */
-      return GL_FALSE;
-   }
-
    if (type == GL_COLOR) {
       if (dstFb->_NumColorDrawBuffers != 1)
          return GL_FALSE;
@@ -508,7 +500,7 @@ fast_copy_pixels(struct gl_context *ctx,
                                   srcRb->Width, srcRb->Height,
                                   GL_MAP_READ_BIT | GL_MAP_WRITE_BIT,
                                   &map, &rowStride);
-      if (!srcMap) {
+      if (!map) {
          _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels");
          return GL_TRUE; /* don't retry with slow path */
       }
@@ -582,7 +574,12 @@ _swrast_CopyPixels( struct gl_context *ctx,
    if (swrast->NewState)
       _swrast_validate_derived( ctx );
 
-   if (fast_copy_pixels(ctx, srcx, srcy, width, height, destx, desty, type)) {
+   if (!(SWRAST_CONTEXT(ctx)->_RasterMask != 0x0 ||
+	 ctx->Pixel.ZoomX != 1.0F ||
+	 ctx->Pixel.ZoomY != 1.0F ||
+	 ctx->_ImageTransferState) &&
+       swrast_fast_copy_pixels(ctx, srcx, srcy, width, height, destx, desty,
+			       type)) {
       /* all done */
       return;
    }
diff --git a/mesalib/src/mesa/swrast/s_depth.c b/mesalib/src/mesa/swrast/s_depth.c
index f87adaa84..53f21cb69 100644
--- a/mesalib/src/mesa/swrast/s_depth.c
+++ b/mesalib/src/mesa/swrast/s_depth.c
@@ -489,7 +489,6 @@ _swrast_clear_depth_buffer(struct gl_context *ctx)
 {
    struct gl_renderbuffer *rb =
       ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
-   GLuint clearValue;
    GLint x, y, width, height;
    GLubyte *map;
    GLint rowStride, i, j;
@@ -500,14 +499,6 @@ _swrast_clear_depth_buffer(struct gl_context *ctx)
       return;
    }
 
-   /* compute integer clearing value */
-   if (ctx->Depth.Clear == 1.0) {
-      clearValue = ctx->DrawBuffer->_DepthMax;
-   }
-   else {
-      clearValue = (GLuint) (ctx->Depth.Clear * ctx->DrawBuffer->_DepthMaxF);
-   }
-
    /* compute region to clear */
    x = ctx->DrawBuffer->_Xmin;
    y = ctx->DrawBuffer->_Ymin;
diff --git a/mesalib/src/mesa/swrast/s_span.c b/mesalib/src/mesa/swrast/s_span.c
index 4124e444e..8f02eeae7 100644
--- a/mesalib/src/mesa/swrast/s_span.c
+++ b/mesalib/src/mesa/swrast/s_span.c
@@ -776,7 +776,7 @@ clip_span( struct gl_context *ctx, SWspan *span )
          span->intTex[1] += leftClip * span->intTexStep[1];
 
 #define SHIFT_ARRAY(ARRAY, SHIFT, LEN) \
-         memcpy(ARRAY, ARRAY + (SHIFT), (LEN) * sizeof(ARRAY[0]))
+         memmove(ARRAY, ARRAY + (SHIFT), (LEN) * sizeof(ARRAY[0]))
 
          for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
             if (span->arrayAttribs & (1 << i)) {
diff --git a/mesalib/src/mesa/swrast/swrast.h b/mesalib/src/mesa/swrast/swrast.h
index dd4055159..468d22f0b 100644
--- a/mesalib/src/mesa/swrast/swrast.h
+++ b/mesalib/src/mesa/swrast/swrast.h
@@ -110,6 +110,11 @@ _swrast_CopyPixels( struct gl_context *ctx,
 		    GLsizei width, GLsizei height,
 		    GLenum type );
 
+extern GLboolean
+swrast_fast_copy_pixels(struct gl_context *ctx,
+			GLint srcX, GLint srcY, GLsizei width, GLsizei height,
+			GLint dstX, GLint dstY, GLenum type);
+
 extern void
 _swrast_DrawPixels( struct gl_context *ctx,
 		    GLint x, GLint y,
diff --git a/mesalib/src/mesa/tnl/t_draw.c b/mesalib/src/mesa/tnl/t_draw.c
index 83ded1949..f949c34d3 100644
--- a/mesalib/src/mesa/tnl/t_draw.c
+++ b/mesalib/src/mesa/tnl/t_draw.c
@@ -349,26 +349,10 @@ static void bind_indices( struct gl_context *ctx,
 
    if (_mesa_is_bufferobj(ib->obj) && !_mesa_bufferobj_mapped(ib->obj)) {
       /* if the buffer object isn't mapped yet, map it now */
-      unsigned map_size;
-
-      switch (ib->type) {
-      case GL_UNSIGNED_BYTE:
-	 map_size = ib->count * sizeof(GLubyte);
-	 break;
-      case GL_UNSIGNED_SHORT:
-	 map_size = ib->count * sizeof(GLushort);
-	 break;
-      case GL_UNSIGNED_INT:
-	 map_size = ib->count * sizeof(GLuint);
-	 break;
-      default:
-	 assert(0);
-	 map_size = 0;
-      }
-
       bo[*nr_bo] = ib->obj;
       (*nr_bo)++;
-      ptr = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr, map_size,
+      ptr = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr,
+                                       ib->count * vbo_sizeof_ib_type(ib->type),
 				       GL_MAP_READ_BIT, ib->obj);
       assert(ib->obj->Pointer);
    } else {
diff --git a/mesalib/src/mesa/vbo/vbo.h b/mesalib/src/mesa/vbo/vbo.h
index 7384790e3..ed8fc1722 100644
--- a/mesalib/src/mesa/vbo/vbo.h
+++ b/mesalib/src/mesa/vbo/vbo.h
@@ -122,6 +122,10 @@ void vbo_rebase_prims( struct gl_context *ctx,
 		       GLuint min_index,
 		       GLuint max_index,
 		       vbo_draw_func draw );
+
+int
+vbo_sizeof_ib_type(GLenum type);
+
 void
 vbo_get_minmax_index(struct gl_context *ctx, const struct _mesa_prim *prim,
 		     const struct _mesa_index_buffer *ib,
diff --git a/mesalib/src/mesa/vbo/vbo_exec_array.c b/mesalib/src/mesa/vbo/vbo_exec_array.c
index 2db85e2e5..fec49d35e 100644
--- a/mesalib/src/mesa/vbo/vbo_exec_array.c
+++ b/mesalib/src/mesa/vbo/vbo_exec_array.c
@@ -75,6 +75,22 @@ vbo_check_buffers_are_unmapped(struct gl_context *ctx)
    assert(!_mesa_bufferobj_mapped(exec->vtx.bufferobj));
 }
 
+int
+vbo_sizeof_ib_type(GLenum type)
+{
+   switch (type) {
+   case GL_UNSIGNED_INT:
+      return sizeof(GLuint);
+   case GL_UNSIGNED_SHORT:
+      return sizeof(GLushort);
+   case GL_UNSIGNED_BYTE:
+      return sizeof(GLubyte);
+   default:
+      assert(!"unsupported index data type");
+      /* In case assert is turned off */
+      return 0;
+   }
+}
 
 
 /**
@@ -96,24 +112,8 @@ vbo_get_minmax_index(struct gl_context *ctx,
    GLuint i;
 
    if (_mesa_is_bufferobj(ib->obj)) {
-      unsigned map_size;
-
-      switch (ib->type) {
-      case GL_UNSIGNED_INT:
-	 map_size = count * sizeof(GLuint);
-	 break;
-      case GL_UNSIGNED_SHORT:
-	 map_size = count * sizeof(GLushort);
-	 break;
-      case GL_UNSIGNED_BYTE:
-	 map_size = count * sizeof(GLubyte);
-	 break;
-      default:
-	 assert(0);
-	 map_size = 0;
-      }
-
-      indices = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr, map_size,
+      indices = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr,
+                                           count * vbo_sizeof_ib_type(ib->type),
 					   GL_MAP_READ_BIT, ib->obj);
    } else {
       indices = ib->ptr;
@@ -1053,7 +1053,7 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
    struct vbo_exec_context *exec = &vbo->exec;
    struct _mesa_index_buffer ib;
    struct _mesa_prim *prim;
-   unsigned int index_type_size = 0;
+   unsigned int index_type_size = vbo_sizeof_ib_type(type);
    uintptr_t min_index_ptr, max_index_ptr;
    GLboolean fallback = GL_FALSE;
    int i;
@@ -1083,20 +1083,6 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
    if (ctx->NewState)
       _mesa_update_state( ctx );
 
-   switch (type) {
-   case GL_UNSIGNED_INT:
-      index_type_size = 4;
-      break;
-   case GL_UNSIGNED_SHORT:
-      index_type_size = 2;
-      break;
-   case GL_UNSIGNED_BYTE:
-      index_type_size = 1;
-      break;
-   default:
-      assert(0);
-   }
-
    min_index_ptr = (uintptr_t)indices[0];
    max_index_ptr = 0;
    for (i = 0; i < primcount; i++) {