gallium: remove pipe_buffer from surfaces

this change disassociates, at least from the driver perspective,
the surface from buffer. surfaces are technically now views on the
textures so make it so by hiding the buffer in the internals of
textures.

40 files changed, 177 insertions, 125 deletions

diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index 301a58ed7b..2b4cdab6cf 100644
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -1125,19 +1125,19 @@ make_1d_mipmap(struct gen_mipmap_state *ctx,
       dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
                                         PIPE_BUFFER_USAGE_CPU_WRITE);
 
-      srcMap = ((ubyte *) pipe_buffer_map(screen, srcSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_READ)
+      srcMap = ((ubyte *) pipe_surface_map(srcSurf,
+                                           PIPE_BUFFER_USAGE_CPU_READ)
                 + srcSurf->offset);
-      dstMap = ((ubyte *) pipe_buffer_map(screen, dstSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_WRITE)
+      dstMap = ((ubyte *) pipe_surface_map(dstSurf,
+                                           PIPE_BUFFER_USAGE_CPU_WRITE)
                 + dstSurf->offset);
 
       reduce_1d(pt->format,
                 srcSurf->width, srcMap,
                 dstSurf->width, dstMap);
 
-      pipe_buffer_unmap(screen, srcSurf->buffer);
-      pipe_buffer_unmap(screen, dstSurf->buffer);
+      pipe_surface_unmap(srcSurf);
+      pipe_surface_unmap(dstSurf);
 
       pipe_surface_reference(&srcSurf, NULL);
       pipe_surface_reference(&dstSurf, NULL);
@@ -1168,11 +1168,11 @@ make_2d_mipmap(struct gen_mipmap_state *ctx,
       dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
                                         PIPE_BUFFER_USAGE_CPU_WRITE);
 
-      srcMap = ((ubyte *) pipe_buffer_map(screen, srcSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_READ)
+      srcMap = ((ubyte *) pipe_surface_map(srcSurf,
+                                           PIPE_BUFFER_USAGE_CPU_READ)
                 + srcSurf->offset);
-      dstMap = ((ubyte *) pipe_buffer_map(screen, dstSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_WRITE)
+      dstMap = ((ubyte *) pipe_surface_map(dstSurf,
+                                           PIPE_BUFFER_USAGE_CPU_WRITE)
                 + dstSurf->offset);
 
       reduce_2d(pt->format,
@@ -1181,8 +1181,8 @@ make_2d_mipmap(struct gen_mipmap_state *ctx,
                 dstSurf->width, dstSurf->height,
                 dstSurf->stride, dstMap);
 
-      pipe_buffer_unmap(screen, srcSurf->buffer);
-      pipe_buffer_unmap(screen, dstSurf->buffer);
+      pipe_surface_unmap(srcSurf);
+      pipe_surface_unmap(dstSurf);
 
       pipe_surface_reference(&srcSurf, NULL);
       pipe_surface_reference(&dstSurf, NULL);
@@ -1212,11 +1212,11 @@ make_3d_mipmap(struct gen_mipmap_state *ctx,
       dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
                                         PIPE_BUFFER_USAGE_CPU_WRITE);
 
-      srcMap = ((ubyte *) pipe_buffer_map(screen, srcSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_READ)
+      srcMap = ((ubyte *) pipe_surface_map(srcSurf,
+                                           PIPE_BUFFER_USAGE_CPU_READ)
                 + srcSurf->offset);
-      dstMap = ((ubyte *) pipe_buffer_map(screen, dstSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_WRITE)
+      dstMap = ((ubyte *) pipe_surface_map(dstSurf,
+                                           PIPE_BUFFER_USAGE_CPU_WRITE)
                 + dstSurf->offset);
 
 #if 0
@@ -1229,8 +1229,8 @@ make_3d_mipmap(struct gen_mipmap_state *ctx,
       (void) reduce_3d;
 #endif
 
-      pipe_buffer_unmap(screen, srcSurf->buffer);
-      pipe_buffer_unmap(screen, dstSurf->buffer);
+      pipe_surface_unmap(srcSurf);
+      pipe_surface_unmap(dstSurf);
 
       pipe_surface_reference(&srcSurf, NULL);
       pipe_surface_reference(&dstSurf, NULL);
diff --git a/src/gallium/drivers/i915simple/i915_screen.c b/src/gallium/drivers/i915simple/i915_screen.c
index 5bb127f3d5..39e48105b3 100644
--- a/src/gallium/drivers/i915simple/i915_screen.c
+++ b/src/gallium/drivers/i915simple/i915_screen.c
@@ -209,7 +209,8 @@ i915_surface_map( struct pipe_screen *screen,
                   struct pipe_surface *surface,
                   unsigned flags )
 {
-   char *map = pipe_buffer_map( screen, surface->buffer, flags );
+   struct i915_texture *tex = (struct i915_texture *)surface->texture;
+   char *map = pipe_buffer_map( screen, tex->buffer, flags );
    if (map == NULL)
       return NULL;
 
@@ -228,7 +229,8 @@ static void
 i915_surface_unmap(struct pipe_screen *screen,
                    struct pipe_surface *surface)
 {
-   pipe_buffer_unmap( screen, surface->buffer );
+   struct i915_texture *tex = (struct i915_texture *)surface->texture;
+   pipe_buffer_unmap( screen, tex->buffer );
 }
 
 
diff --git a/src/gallium/drivers/i915simple/i915_state_emit.c b/src/gallium/drivers/i915simple/i915_state_emit.c
index 9bd6f92323..6558cf1c3e 100644
--- a/src/gallium/drivers/i915simple/i915_state_emit.c
+++ b/src/gallium/drivers/i915simple/i915_state_emit.c
@@ -213,18 +213,22 @@ i915_emit_hardware_state(struct i915_context *i915 )
       if (cbuf_surface) {
 	 unsigned cpitch = cbuf_surface->stride;
 	 unsigned ctile = BUF_3D_USE_FENCE;
-	 if (cbuf_surface->texture &&
-	       ((struct i915_texture*)(cbuf_surface->texture))->tiled) {
+         struct i915_texture *tex = (struct i915_texture *)
+                                    cbuf_surface->texture;
+         struct pipe_buffer *buffer = tex->buffer;
+         assert(tex);
+
+	 if (tex && tex->tiled) {
 	    ctile = BUF_3D_TILED_SURFACE;
 	 }
 
 	 OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
 
-	 OUT_BATCH(BUF_3D_ID_COLOR_BACK | 
+	 OUT_BATCH(BUF_3D_ID_COLOR_BACK |
 		   BUF_3D_PITCH(cpitch) |  /* pitch in bytes */
 		   ctile);
 
-	 OUT_RELOC(cbuf_surface->buffer,
+	 OUT_RELOC(tex->buffer,
 		   I915_BUFFER_ACCESS_WRITE,
 		   cbuf_surface->offset);
       }
@@ -234,8 +238,12 @@ i915_emit_hardware_state(struct i915_context *i915 )
       if (depth_surface) {
 	 unsigned zpitch = depth_surface->stride;
 	 unsigned ztile = BUF_3D_USE_FENCE;
-	 if (depth_surface->texture &&
-	       ((struct i915_texture*)(depth_surface->texture))->tiled) {
+         struct i915_texture *tex = (struct i915_texture *)
+                                    depth_surface->texture;
+         struct pipe_buffer *buffer = tex->buffer;
+         assert(tex);
+
+	 if (tex && tex->tiled) {
 	    ztile = BUF_3D_TILED_SURFACE;
 	 }
 
@@ -245,7 +253,7 @@ i915_emit_hardware_state(struct i915_context *i915 )
 		   BUF_3D_PITCH(zpitch) |  /* pitch in bytes */
 		   ztile);
 
-	 OUT_RELOC(depth_surface->buffer,
+	 OUT_RELOC(tex->buffer,
 		   I915_BUFFER_ACCESS_WRITE,
 		   depth_surface->offset);
       }
diff --git a/src/gallium/drivers/i915simple/i915_surface.c b/src/gallium/drivers/i915simple/i915_surface.c
index 5ffdb76682..94e2deaf61 100644
--- a/src/gallium/drivers/i915simple/i915_surface.c
+++ b/src/gallium/drivers/i915simple/i915_surface.c
@@ -74,13 +74,15 @@ i915_surface_copy(struct pipe_context *pipe,
       pipe->screen->surface_unmap(pipe->screen, dst);
    }
    else {
+      struct i915_texture *dst_tex = (struct i915_texture *)dst->texture;
+      struct i915_texture *src_tex = (struct i915_texture *)src->texture;
       assert(dst->block.width == 1);
       assert(dst->block.height == 1);
       i915_copy_blit( i915_context(pipe),
                       do_flip,
                       dst->block.size,
-		      (unsigned short) src->stride, src->buffer, src->offset,
-		      (unsigned short) dst->stride, dst->buffer, dst->offset,
+		      (unsigned short) src->stride, src_tex->buffer, src->offset,
+		      (unsigned short) dst->stride, dst_tex->buffer, dst->offset,
 		      (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height );
    }
 }
@@ -102,12 +104,13 @@ i915_surface_fill(struct pipe_context *pipe,
       pipe->screen->surface_unmap(pipe->screen, dst);
    }
    else {
+      struct i915_texture *tex = (struct i915_texture *)dst->texture;
       assert(dst->block.width == 1);
       assert(dst->block.height == 1);
       i915_fill_blit( i915_context(pipe),
 		      dst->block.size,
 		      (unsigned short) dst->stride,
-		      dst->buffer, dst->offset,
+		      tex->buffer, dst->offset,
 		      (short) dstx, (short) dsty,
 		      (short) width, (short) height,
 		      value );
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c
index 803ef3a187..b2ca3a2286 100644
--- a/src/gallium/drivers/i915simple/i915_texture.c
+++ b/src/gallium/drivers/i915simple/i915_texture.c
@@ -683,7 +683,6 @@ i915_get_tex_surface(struct pipe_screen *screen,
    if (ps) {
       ps->refcount = 1;
       pipe_texture_reference(&ps->texture, pt);
-      pipe_buffer_reference(screen, &ps->buffer, tex->buffer);
       ps->format = pt->format;
       ps->width = pt->width[level];
       ps->height = pt->height[level];
@@ -755,7 +754,6 @@ i915_tex_surface_release(struct pipe_screen *screen,
       }
 
       pipe_texture_reference(&surf->texture, NULL);
-      pipe_buffer_reference(screen, &surf->buffer, NULL);
       FREE(surf);
    }
 
diff --git a/src/gallium/drivers/i965simple/brw_misc_state.c b/src/gallium/drivers/i965simple/brw_misc_state.c
index be812c5da9..99ff4403a5 100644
--- a/src/gallium/drivers/i965simple/brw_misc_state.c
+++ b/src/gallium/drivers/i965simple/brw_misc_state.c
@@ -223,7 +223,7 @@ static void upload_depthbuffer(struct brw_context *brw)
       OUT_BATCH(0);
    } else {
       unsigned int format;
-
+      struct brw_texture *tex = (struct brw_texture *)depth_surface->texture;
       assert(depth_surface->block.width == 1);
       assert(depth_surface->block.height == 1);
       switch (depth_surface->block.size) {
@@ -246,7 +246,7 @@ static void upload_depthbuffer(struct brw_context *brw)
 		(BRW_TILEWALK_YMAJOR << 26) |
 //		(depth_surface->region->tiled << 27) |
 		(BRW_SURFACE_2D << 29));
-      OUT_RELOC(depth_surface->buffer,
+      OUT_RELOC(tex->buffer,
 		PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE, 0);
       OUT_BATCH((BRW_SURFACE_MIPMAPLAYOUT_BELOW << 1) |
 		((depth_surface->stride/depth_surface->block.size - 1) << 6) |
diff --git a/src/gallium/drivers/i965simple/brw_surface.c b/src/gallium/drivers/i965simple/brw_surface.c
index 3159eba2fd..0a95dce194 100644
--- a/src/gallium/drivers/i965simple/brw_surface.c
+++ b/src/gallium/drivers/i965simple/brw_surface.c
@@ -74,13 +74,15 @@ brw_surface_copy(struct pipe_context *pipe,
       pipe->screen->surface_unmap(pipe->screen, dst);
    }
    else {
+      struct brw_texture *dst_tex = (struct brw_texture *)dst->texture;
+      struct brw_texture *src_tex = (struct brw_texture *)src->texture;
       assert(dst->block.width == 1);
       assert(dst->block.height == 1);
       brw_copy_blit(brw_context(pipe),
                     do_flip,
                     dst->block.size,
-                    (short) src->stride/src->block.size, src->buffer, src->offset, FALSE,
-                    (short) dst->stride/dst->block.size, dst->buffer, dst->offset, FALSE,
+                    (short) src->stride/src->block.size, src_tex->buffer, src->offset, FALSE,
+                    (short) dst->stride/dst->block.size, dst_tex->buffer, dst->offset, FALSE,
                     (short) srcx, (short) srcy, (short) dstx, (short) dsty,
                     (short) width, (short) height, PIPE_LOGICOP_COPY);
    }
@@ -103,12 +105,13 @@ brw_surface_fill(struct pipe_context *pipe,
       pipe->screen->surface_unmap(pipe->screen, dst);
    }
    else {
+      struct brw_texture *tex = (struct brw_texture *)dst->texture;
       assert(dst->block.width == 1);
       assert(dst->block.height == 1);
       brw_fill_blit(brw_context(pipe),
                     dst->block.size,
                     (short) dst->stride/dst->block.size, 
-                    dst->buffer, dst->offset, FALSE,
+                    tex->buffer, dst->offset, FALSE,
                     (short) dstx, (short) dsty,
                     (short) width, (short) height,
                     value);
diff --git a/src/gallium/drivers/i965simple/brw_tex_layout.c b/src/gallium/drivers/i965simple/brw_tex_layout.c
index 6af0d5cf4b..448229ed4e 100644
--- a/src/gallium/drivers/i965simple/brw_tex_layout.c
+++ b/src/gallium/drivers/i965simple/brw_tex_layout.c
@@ -367,7 +367,6 @@ brw_get_tex_surface_screen(struct pipe_screen *screen,
    if (ps) {
       ps->refcount = 1;
       pipe_texture_reference(&ps->texture, pt);
-      pipe_buffer_reference(screen, &ps->buffer, tex->buffer);
       ps->format = pt->format;
       ps->width = pt->width[level];
       ps->height = pt->height[level];
diff --git a/src/gallium/drivers/i965simple/brw_wm_surface_state.c b/src/gallium/drivers/i965simple/brw_wm_surface_state.c
index 1a326f9918..1bab5bfdb3 100644
--- a/src/gallium/drivers/i965simple/brw_wm_surface_state.c
+++ b/src/gallium/drivers/i965simple/brw_wm_surface_state.c
@@ -193,6 +193,7 @@ static void upload_wm_surfaces(struct brw_context *brw )
       /* BRW_NEW_FRAMEBUFFER
        */
       struct pipe_surface *pipe_surface = brw->attribs.FrameBuffer.cbufs[0];/*fixme*/
+      struct brw_texture *tex = (struct brw_texture *)pipe_surface->texture;
 
       memset(&surf, 0, sizeof(surf));
 
@@ -204,7 +205,7 @@ static void upload_wm_surfaces(struct brw_context *brw )
 
 	 surf.ss0.surface_type = BRW_SURFACE_2D;
 
-	 surf.ss1.base_addr = brw_buffer_offset( brw, pipe_surface->buffer );
+	 surf.ss1.base_addr = brw_buffer_offset( brw, tex->buffer );
 
 	 surf.ss2.width = pipe_surface->width - 1;
 	 surf.ss2.height = pipe_surface->height - 1;
diff --git a/src/gallium/drivers/nv04/nv04_miptree.c b/src/gallium/drivers/nv04/nv04_miptree.c
index 01cb8ecbf3..0575dc0afc 100644
--- a/src/gallium/drivers/nv04/nv04_miptree.c
+++ b/src/gallium/drivers/nv04/nv04_miptree.c
@@ -107,7 +107,6 @@ nv04_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
 	if (!ps)
 		return NULL;
 	pipe_texture_reference(&ps->texture, pt);
-	pipe_buffer_reference(pscreen, &ps->buffer, nv04mt->buffer);
 	ps->format = pt->format;
 	ps->width = pt->width[level];
 	ps->height = pt->height[level];
@@ -138,7 +137,6 @@ nv04_miptree_surface_del(struct pipe_screen *pscreen,
 		return;
 
 	pipe_texture_reference(&ps->texture, NULL);
-	pipe_buffer_reference(pscreen->winsys, &ps->buffer, NULL);
 	FREE(ps);
 }
 
diff --git a/src/gallium/drivers/nv04/nv04_screen.c b/src/gallium/drivers/nv04/nv04_screen.c
index 2ae6784077..e5e3d4772a 100644
--- a/src/gallium/drivers/nv04/nv04_screen.c
+++ b/src/gallium/drivers/nv04/nv04_screen.c
@@ -1,4 +1,5 @@
 #include "pipe/p_screen.h"
+#include "pipe/p_inlines.h"
 #include "util/u_simple_screen.h"
 
 #include "nv04_context.h"
@@ -122,10 +123,10 @@ static void *
 nv04_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 		 unsigned flags )
 {
-	struct pipe_winsys *ws = screen->winsys;
 	void *map;
+	struct nv04_miptree *nv04mt = (struct nv04_miptree *)surface->texture;
 
-	map = ws->buffer_map(ws, surface->buffer, flags);
+	map = pipe_buffer_map(screen, nv04mt->buffer, flags);
 	if (!map)
 		return NULL;
 
@@ -135,9 +136,9 @@ nv04_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 static void
 nv04_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
 {
-	struct pipe_winsys *ws = screen->winsys;
+	struct nv04_miptree *nv04mt = (struct nv04_miptree *)surface->texture;
 
-	ws->buffer_unmap(ws, surface->buffer);
+	pipe_buffer_unmap(screen, nv04mt->buffer);
 }
 
 static void
diff --git a/src/gallium/drivers/nv04/nv04_state_emit.c b/src/gallium/drivers/nv04/nv04_state_emit.c
index 26491758a0..bd8ef1adbf 100644
--- a/src/gallium/drivers/nv04/nv04_state_emit.c
+++ b/src/gallium/drivers/nv04/nv04_state_emit.c
@@ -96,6 +96,7 @@ static void nv04_state_emit_framebuffer(struct nv04_context* nv04)
 	struct pipe_surface *rt, *zeta;
 	uint32_t rt_format, w, h;
 	int colour_format = 0, zeta_format = 0;
+	struct nv04_miptree *nv04mt = 0;
 
 	w = fb->cbufs[0]->width;
 	h = fb->cbufs[0]->height;
@@ -129,14 +130,16 @@ static void nv04_state_emit_framebuffer(struct nv04_context* nv04)
 
 	BEGIN_RING(context_surfaces_3d, NV04_CONTEXT_SURFACES_3D_FORMAT, 1);
 	OUT_RING(rt_format);
-	
+
+	nv04mt = (struct nv04_miptree *)rt->texture;
 	/* FIXME pitches have to be aligned ! */
 	BEGIN_RING(context_surfaces_3d, NV04_CONTEXT_SURFACES_3D_PITCH, 2);
 	OUT_RING(rt->stride|(zeta->stride<<16));
-	OUT_RELOCl(rt->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+	OUT_RELOCl(nv04mt->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 	if (fb->zsbuf) {
+		nv04mt = (struct nv04_miptree *)zeta->texture;
 		BEGIN_RING(context_surfaces_3d, NV04_CONTEXT_SURFACES_3D_OFFSET_ZETA, 1);
-		OUT_RELOCl(zeta->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
+		OUT_RELOCl(nv04mt->buffer, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
 	}
 }
 
diff --git a/src/gallium/drivers/nv10/nv10_miptree.c b/src/gallium/drivers/nv10/nv10_miptree.c
index f8c021261b..909278213e 100644
--- a/src/gallium/drivers/nv10/nv10_miptree.c
+++ b/src/gallium/drivers/nv10/nv10_miptree.c
@@ -114,7 +114,6 @@ nv10_miptree_surface_get(struct pipe_screen *screen, struct pipe_texture *pt,
 	if (!ps)
 		return NULL;
 	pipe_texture_reference(&ps->texture, pt);
-	pipe_buffer_reference(screen, &ps->buffer, nv10mt->buffer);
 	ps->format = pt->format;
 	ps->width = pt->width[level];
 	ps->height = pt->height[level];
diff --git a/src/gallium/drivers/nv10/nv10_screen.c b/src/gallium/drivers/nv10/nv10_screen.c
index 12516fd71e..2f945a193c 100644
--- a/src/gallium/drivers/nv10/nv10_screen.c
+++ b/src/gallium/drivers/nv10/nv10_screen.c
@@ -122,8 +122,9 @@ nv10_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 {
 	struct pipe_winsys *ws = screen->winsys;
 	void *map;
+        struct nv10_miptree *nv10mt = (struct nv10_miptree *)surface->texture;
 
-	map = ws->buffer_map(ws, surface->buffer, flags);
+	map = ws->buffer_map(ws, nv10mt->buffer, flags);
 	if (!map)
 		return NULL;
 
@@ -134,8 +135,9 @@ static void
 nv10_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
 {
 	struct pipe_winsys *ws = screen->winsys;
+        struct nv10_miptree *nv10mt = (struct nv10_miptree *)surface->texture;
 
-	ws->buffer_unmap(ws, surface->buffer);
+	ws->buffer_unmap(ws, nv10mt->buffer);
 }
 
 static void
diff --git a/src/gallium/drivers/nv10/nv10_state_emit.c b/src/gallium/drivers/nv10/nv10_state_emit.c
index 46c7e1d753..5dec618b93 100644
--- a/src/gallium/drivers/nv10/nv10_state_emit.c
+++ b/src/gallium/drivers/nv10/nv10_state_emit.c
@@ -106,6 +106,7 @@ static void nv10_state_emit_framebuffer(struct nv10_context* nv10)
 	struct pipe_surface *rt, *zeta = NULL;
 	uint32_t rt_format, w, h;
 	int colour_format = 0, zeta_format = 0;
+        struct nv10_miptree *nv10mt = 0;
 
 	w = fb->cbufs[0]->width;
 	h = fb->cbufs[0]->height;
@@ -147,11 +148,13 @@ static void nv10_state_emit_framebuffer(struct nv10_context* nv10)
 		OUT_RING  (rt->stride | (rt->stride << 16));
 	}
 
-	nv10->rt[0] = rt->buffer;
+	nv10mt = (struct nv10_miptree *)rt->texture;
+	nv10->rt[0] = nv10mt->buffer;
 
 	if (zeta_format)
 	{
-		nv10->zeta = zeta->buffer;
+		nv10mt = (struct nv10_miptree *)zeta->texture;
+		nv10->zeta = nv10mt->buffer;
 	}
 
 	BEGIN_RING(celsius, NV10TCL_RT_HORIZ, 3);
diff --git a/src/gallium/drivers/nv20/nv20_miptree.c b/src/gallium/drivers/nv20/nv20_miptree.c
index d2038c391d..8e4cc80902 100644
--- a/src/gallium/drivers/nv20/nv20_miptree.c
+++ b/src/gallium/drivers/nv20/nv20_miptree.c
@@ -106,7 +106,6 @@ nv20_miptree_surface_get(struct pipe_screen *screen, struct pipe_texture *pt,
 	if (!ps)
 		return NULL;
 	pipe_texture_reference(&ps->texture, pt);
-	pipe_buffer_reference(screen, &ps->buffer, nv20mt->buffer);
 	ps->format = pt->format;
 	ps->width = pt->width[level];
 	ps->height = pt->height[level];
@@ -141,7 +140,6 @@ nv20_miptree_surface_release(struct pipe_screen *pscreen,
 		return;
 
 	pipe_texture_reference(&ps->texture, NULL);
-	pipe_buffer_reference(pscreen, &ps->buffer, NULL);
 	FREE(ps);
 }
 
diff --git a/src/gallium/drivers/nv20/nv20_screen.c b/src/gallium/drivers/nv20/nv20_screen.c
index f09b364b8d..c9171fa178 100644
--- a/src/gallium/drivers/nv20/nv20_screen.c
+++ b/src/gallium/drivers/nv20/nv20_screen.c
@@ -122,8 +122,9 @@ nv20_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 {
 	struct pipe_winsys *ws = screen->winsys;
 	void *map;
+	struct nv20_miptree *nv20mt = (struct nv20_miptree *)surface->texture;
 
-	map = ws->buffer_map(ws, surface->buffer, flags);
+	map = ws->buffer_map(ws, nv20mt->buffer, flags);
 	if (!map)
 		return NULL;
 
@@ -134,8 +135,9 @@ static void
 nv20_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
 {
 	struct pipe_winsys *ws = screen->winsys;
+	struct nv20_miptree *nv20mt = (struct nv20_miptree *)surface->texture;
 
-	ws->buffer_unmap(ws, surface->buffer);
+	ws->buffer_unmap(ws, nv20mt->buffer);
 }
 
 static void
diff --git a/src/gallium/drivers/nv20/nv20_state_emit.c b/src/gallium/drivers/nv20/nv20_state_emit.c
index ea20078a50..0f4df9ca31 100644
--- a/src/gallium/drivers/nv20/nv20_state_emit.c
+++ b/src/gallium/drivers/nv20/nv20_state_emit.c
@@ -112,6 +112,7 @@ static void nv20_state_emit_framebuffer(struct nv20_context* nv20)
 	struct pipe_surface *rt, *zeta = NULL;
 	uint32_t rt_format, w, h;
 	int colour_format = 0, zeta_format = 0;
+	struct nv20_miptree *nv20mt = 0;
 
 	w = fb->cbufs[0]->width;
 	h = fb->cbufs[0]->height;
@@ -153,11 +154,13 @@ static void nv20_state_emit_framebuffer(struct nv20_context* nv20)
 		OUT_RING  (rt->stride | (rt->stride << 16));
 	}
 
-	nv20->rt[0] = rt->buffer;
+	nv20mt = (struct nv20_miptree *)rt->texture;
+	nv20->rt[0] = nv20mt->buffer;
 
 	if (zeta_format)
 	{
-		nv20->zeta = zeta->buffer;
+		nv20mt = (struct nv20_miptree *)zeta->texture;
+		nv20->zeta = nv20mt->buffer;
 	}
 
 	BEGIN_RING(kelvin, NV20TCL_RT_HORIZ, 3);
diff --git a/src/gallium/drivers/nv30/nv30_miptree.c b/src/gallium/drivers/nv30/nv30_miptree.c
index 79baac714c..c55756971b 100644
--- a/src/gallium/drivers/nv30/nv30_miptree.c
+++ b/src/gallium/drivers/nv30/nv30_miptree.c
@@ -143,7 +143,6 @@ nv30_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
 	if (!ps)
 		return NULL;
 	pipe_texture_reference(&ps->texture, pt);
-	pipe_buffer_reference(pscreen, &ps->buffer, nv30mt->buffer);
 	ps->format = pt->format;
 	ps->width = pt->width[level];
 	ps->height = pt->height[level];
@@ -181,7 +180,6 @@ nv30_miptree_surface_del(struct pipe_screen *pscreen,
 		return;
 
 	pipe_texture_reference(&ps->texture, NULL);
-	pipe_buffer_reference(pscreen, &ps->buffer, NULL);
 	FREE(ps);
 }
 
diff --git a/src/gallium/drivers/nv30/nv30_screen.c b/src/gallium/drivers/nv30/nv30_screen.c
index 0f10d914ad..9738436dc4 100644
--- a/src/gallium/drivers/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nv30/nv30_screen.c
@@ -134,6 +134,7 @@ nv30_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 	struct pipe_winsys	*ws = screen->winsys;
 	struct pipe_surface	*surface_to_map;
 	void			*map;
+	struct nv30_miptree *nv30mt = (struct nv30_miptree *)surface->texture;
 
 	if (!(surface->texture->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
 		struct nv30_miptree *mt = (struct nv30_miptree *)surface->texture;
@@ -162,7 +163,7 @@ nv30_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 
 	assert(surface_to_map);
 
-	map = ws->buffer_map(ws, surface_to_map->buffer, flags);
+	map = ws->buffer_map(ws, nv30mt->buffer, flags);
 	if (!map)
 		return NULL;
 
@@ -174,6 +175,7 @@ nv30_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
 {
 	struct pipe_winsys	*ws = screen->winsys;
 	struct pipe_surface	*surface_to_unmap;
+	struct nv30_miptree *nv30mt = (struct nv30_miptree *)surface->texture;
 
 	/* TODO: Copy from shadow just before push buffer is flushed instead.
 	         There are probably some programs that map/unmap excessively
@@ -190,7 +192,7 @@ nv30_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
 
 	assert(surface_to_unmap);
 
-	ws->buffer_unmap(ws, surface_to_unmap->buffer);
+	ws->buffer_unmap(ws, nv30mt->buffer);
 
 	if (surface_to_unmap != surface) {
 		struct nv30_screen *nvscreen = nv30_screen(screen);
diff --git a/src/gallium/drivers/nv30/nv30_state_fb.c b/src/gallium/drivers/nv30/nv30_state_fb.c
index 8536acc570..77368cb205 100644
--- a/src/gallium/drivers/nv30/nv30_state_fb.c
+++ b/src/gallium/drivers/nv30/nv30_state_fb.c
@@ -12,6 +12,7 @@ nv30_state_framebuffer_validate(struct nv30_context *nv30)
 	unsigned rt_flags = NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM;
 	unsigned w = fb->width;
 	unsigned h = fb->height;
+	struct nv30_miptree *nv30mt;
 
 	rt_enable = 0;
 	for (i = 0; i < fb->nr_cbufs; i++) {
@@ -77,34 +78,37 @@ nv30_state_framebuffer_validate(struct nv30_context *nv30)
 			pitch |= (pitch << 16);
 		}
 
+		nv30mt = (struct nv30_miptree *)rt[0]->texture;
 		so_method(so, nv30->screen->rankine, NV34TCL_DMA_COLOR0, 1);
-		so_reloc (so, rt[0]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+		so_reloc (so, nv30mt->buffer, 0, rt_flags | NOUVEAU_BO_OR,
 			  nv30->nvws->channel->vram->handle,
 			  nv30->nvws->channel->gart->handle);
 		so_method(so, nv30->screen->rankine, NV34TCL_COLOR0_PITCH, 2);
 		so_data  (so, pitch);
-		so_reloc (so, rt[0]->buffer, rt[0]->offset, rt_flags |
+		so_reloc (so, nv30mt->buffer, rt[0]->offset, rt_flags |
 			  NOUVEAU_BO_LOW, 0, 0);
 	}
 
 	if (rt_enable & NV34TCL_RT_ENABLE_COLOR1) {
+		nv30mt = (struct nv30_miptree *)rt[1]->texture;
 		so_method(so, nv30->screen->rankine, NV34TCL_DMA_COLOR1, 1);
-		so_reloc (so, rt[1]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+		so_reloc (so, nv30mt->buffer, 0, rt_flags | NOUVEAU_BO_OR,
 			  nv30->nvws->channel->vram->handle,
 			  nv30->nvws->channel->gart->handle);
 		so_method(so, nv30->screen->rankine, NV34TCL_COLOR1_OFFSET, 2);
-		so_reloc (so, rt[1]->buffer, rt[1]->offset, rt_flags |
+		so_reloc (so, nv30mt->buffer, rt[1]->offset, rt_flags |
 			  NOUVEAU_BO_LOW, 0, 0);
 		so_data  (so, rt[1]->stride);
 	}
 
 	if (zeta_format) {
+		nv30mt = (struct nv30_miptree *)zeta->texture;
 		so_method(so, nv30->screen->rankine, NV34TCL_DMA_ZETA, 1);
-		so_reloc (so, zeta->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+		so_reloc (so, nv30mt->buffer, 0, rt_flags | NOUVEAU_BO_OR,
 			  nv30->nvws->channel->vram->handle,
 			  nv30->nvws->channel->gart->handle);
 		so_method(so, nv30->screen->rankine, NV34TCL_ZETA_OFFSET, 1);
-		so_reloc (so, zeta->buffer, zeta->offset, rt_flags |
+		so_reloc (so, nv30mt->buffer, zeta->offset, rt_flags |
 			  NOUVEAU_BO_LOW, 0, 0);
 		/* TODO: allocate LMA depth buffer */
 	}
diff --git a/src/gallium/drivers/nv40/nv40_miptree.c b/src/gallium/drivers/nv40/nv40_miptree.c
index ba912ddcbb..b1fba11d2f 100644
--- a/src/gallium/drivers/nv40/nv40_miptree.c
+++ b/src/gallium/drivers/nv40/nv40_miptree.c
@@ -144,7 +144,6 @@ nv40_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
 	if (!ps)
 		return NULL;
 	pipe_texture_reference(&ps->texture, pt);
-	pipe_buffer_reference(pscreen, &ps->buffer, mt->buffer);
 	ps->format = pt->format;
 	ps->width = pt->width[level];
 	ps->height = pt->height[level];
@@ -182,7 +181,6 @@ nv40_miptree_surface_del(struct pipe_screen *pscreen,
 		return;
 
 	pipe_texture_reference(&ps->texture, NULL);
-	pipe_buffer_reference(pscreen, &ps->buffer, NULL);
 	FREE(ps);
 }
 
diff --git a/src/gallium/drivers/nv40/nv40_screen.c b/src/gallium/drivers/nv40/nv40_screen.c
index 46fe133d71..41d342d27d 100644
--- a/src/gallium/drivers/nv40/nv40_screen.c
+++ b/src/gallium/drivers/nv40/nv40_screen.c
@@ -143,6 +143,7 @@ nv40_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 	struct pipe_winsys	*ws = screen->winsys;
 	struct pipe_surface	*surface_to_map;
 	void			*map;
+        struct nv40_miptree *mt;
 
 	if (!(surface->texture->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) {
 		struct nv40_miptree *mt = (struct nv40_miptree *)surface->texture;
@@ -170,8 +171,8 @@ nv40_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
 		surface_to_map = surface;
 
 	assert(surface_to_map);
-
-	map = ws->buffer_map(ws, surface_to_map->buffer, flags);
+        mt = (struct nv40_miptree *)surface_to_map->texture;
+	map = ws->buffer_map(ws, mt->buffer, flags);
 	if (!map)
 		return NULL;
 
@@ -183,6 +184,7 @@ nv40_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
 {
 	struct pipe_winsys	*ws = screen->winsys;
 	struct pipe_surface	*surface_to_unmap;
+        struct nv40_miptree *mt;
 
 	/* TODO: Copy from shadow just before push buffer is flushed instead.
 	         There are probably some programs that map/unmap excessively
@@ -199,7 +201,8 @@ nv40_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
 
 	assert(surface_to_unmap);
 
-	ws->buffer_unmap(ws, surface_to_unmap->buffer);
+        mt = (struct nv40_miptree *)surface_to_unmap->texture;
+	ws->buffer_unmap(ws, mt->buffer);
 
 	if (surface_to_unmap != surface) {
 		struct nv40_screen *nvscreen = nv40_screen(screen);
diff --git a/src/gallium/drivers/nv40/nv40_state_fb.c b/src/gallium/drivers/nv40/nv40_state_fb.c
index a2e09e18a4..454abad31f 100644
--- a/src/gallium/drivers/nv40/nv40_state_fb.c
+++ b/src/gallium/drivers/nv40/nv40_state_fb.c
@@ -1,6 +1,13 @@
 #include "nv40_context.h"
 #include "nouveau/nouveau_util.h"
 
+static struct pipe_buffer *
+nv40_surface_buffer(struct pipe_surface *surface)
+{
+	struct nv40_miptree *mt = (struct nv40_miptree *)surface->texture;
+	return mt->buffer;
+}
+
 static boolean
 nv40_state_framebuffer_validate(struct nv40_context *nv40)
 {
@@ -71,33 +78,33 @@ nv40_state_framebuffer_validate(struct nv40_context *nv40)
 
 	if (rt_enable & NV40TCL_RT_ENABLE_COLOR0) {
 		so_method(so, nv40->screen->curie, NV40TCL_DMA_COLOR0, 1);
-		so_reloc (so, rt[0]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+		so_reloc (so, nv40_surface_buffer(rt[0]), 0, rt_flags | NOUVEAU_BO_OR,
 			  nv40->nvws->channel->vram->handle,
 			  nv40->nvws->channel->gart->handle);
 		so_method(so, nv40->screen->curie, NV40TCL_COLOR0_PITCH, 2);
 		so_data  (so, rt[0]->stride);
-		so_reloc (so, rt[0]->buffer, rt[0]->offset, rt_flags |
+		so_reloc (so, nv40_surface_buffer(rt[0]), rt[0]->offset, rt_flags |
 			  NOUVEAU_BO_LOW, 0, 0);
 	}
 
 	if (rt_enable & NV40TCL_RT_ENABLE_COLOR1) {
 		so_method(so, nv40->screen->curie, NV40TCL_DMA_COLOR1, 1);
-		so_reloc (so, rt[1]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+		so_reloc (so, nv40_surface_buffer(rt[1]), 0, rt_flags | NOUVEAU_BO_OR,
 			  nv40->nvws->channel->vram->handle,
 			  nv40->nvws->channel->gart->handle);
 		so_method(so, nv40->screen->curie, NV40TCL_COLOR1_OFFSET, 2);
-		so_reloc (so, rt[1]->buffer, rt[1]->offset, rt_flags |
+		so_reloc (so, nv40_surface_buffer(rt[1]), rt[1]->offset, rt_flags |
 			  NOUVEAU_BO_LOW, 0, 0);
 		so_data  (so, rt[1]->stride);
 	}
 
 	if (rt_enable & NV40TCL_RT_ENABLE_COLOR2) {
 		so_method(so, nv40->screen->curie, NV40TCL_DMA_COLOR2, 1);
-		so_reloc (so, rt[2]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+		so_reloc (so, nv40_surface_buffer(rt[2]), 0, rt_flags | NOUVEAU_BO_OR,
 			  nv40->nvws->channel->vram->handle,
 			  nv40->nvws->channel->gart->handle);
 		so_method(so, nv40->screen->curie, NV40TCL_COLOR2_OFFSET, 1);
-		so_reloc (so, rt[2]->buffer, rt[2]->offset, rt_flags |
+		so_reloc (so, nv40_surface_buffer(rt[2]), rt[2]->offset, rt_flags |
 			  NOUVEAU_BO_LOW, 0, 0);
 		so_method(so, nv40->screen->curie, NV40TCL_COLOR2_PITCH, 1);
 		so_data  (so, rt[2]->stride);
@@ -105,11 +112,11 @@ nv40_state_framebuffer_validate(struct nv40_context *nv40)
 
 	if (rt_enable & NV40TCL_RT_ENABLE_COLOR3) {
 		so_method(so, nv40->screen->curie, NV40TCL_DMA_COLOR3, 1);
-		so_reloc (so, rt[3]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+		so_reloc (so, nv40_surface_buffer(rt[3]), 0, rt_flags | NOUVEAU_BO_OR,
 			  nv40->nvws->channel->vram->handle,
 			  nv40->nvws->channel->gart->handle);
 		so_method(so, nv40->screen->curie, NV40TCL_COLOR3_OFFSET, 1);
-		so_reloc (so, rt[3]->buffer, rt[3]->offset, rt_flags |
+		so_reloc (so, nv40_surface_buffer(rt[3]), rt[3]->offset, rt_flags |
 			  NOUVEAU_BO_LOW, 0, 0);
 		so_method(so, nv40->screen->curie, NV40TCL_COLOR3_PITCH, 1);
 		so_data  (so, rt[3]->stride);
@@ -117,11 +124,11 @@ nv40_state_framebuffer_validate(struct nv40_context *nv40)
 
 	if (zeta_format) {
 		so_method(so, nv40->screen->curie, NV40TCL_DMA_ZETA, 1);
-		so_reloc (so, zeta->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+		so_reloc (so, nv40_surface_buffer(zeta), 0, rt_flags | NOUVEAU_BO_OR,
 			  nv40->nvws->channel->vram->handle,
 			  nv40->nvws->channel->gart->handle);
 		so_method(so, nv40->screen->curie, NV40TCL_ZETA_OFFSET, 1);
-		so_reloc (so, zeta->buffer, zeta->offset, rt_flags |
+		so_reloc (so, nv40_surface_buffer(zeta), zeta->offset, rt_flags |
 			  NOUVEAU_BO_LOW, 0, 0);
 		so_method(so, nv40->screen->curie, NV40TCL_ZETA_PITCH, 1);
 		so_data  (so, zeta->stride);
diff --git a/src/gallium/drivers/nv50/nv50_context.h b/src/gallium/drivers/nv50/nv50_context.h
index 061a4c064b..6c9e18429a 100644
--- a/src/gallium/drivers/nv50/nv50_context.h
+++ b/src/gallium/drivers/nv50/nv50_context.h
@@ -99,6 +99,13 @@ nv50_surface(struct pipe_surface *pt)
 	return (struct nv50_surface *)pt;
 }
 
+static INLINE struct pipe_buffer *
+nv50_surface_buffer(struct pipe_surface *surface)
+{
+	struct nv50_miptree *mt = (struct nv50_miptree *)surface->texture;
+	return mt->buffer;
+}
+
 struct nv50_state {
 	unsigned dirty;
 
diff --git a/src/gallium/drivers/nv50/nv50_miptree.c b/src/gallium/drivers/nv50/nv50_miptree.c
index 7770fcc3f2..c6e65c9816 100644
--- a/src/gallium/drivers/nv50/nv50_miptree.c
+++ b/src/gallium/drivers/nv50/nv50_miptree.c
@@ -179,7 +179,7 @@ nv50_miptree_sync(struct pipe_screen *pscreen, struct nv50_miptree *mt,
 }
 
 /* The reverse of the above */
-void
+static void
 nv50_miptree_sync_cpu(struct pipe_screen *pscreen, struct nv50_miptree *mt,
 		      unsigned level, unsigned image)
 {
@@ -232,7 +232,6 @@ nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
 	if (!ps)
 		return NULL;
 	pipe_texture_reference(&ps->texture, pt);
-	pipe_buffer_reference(pscreen, &ps->buffer, mt->buffer);
 	ps->format = pt->format;
 	ps->width = pt->width[level];
 	ps->height = pt->height[level];
@@ -253,7 +252,6 @@ nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
 
 		ps->offset = 0;
 		pipe_texture_reference(&ps->texture, pt);
-		pipe_buffer_reference(pscreen, &ps->buffer, lvl->image[img]);
 
 		if (flags & PIPE_BUFFER_USAGE_CPU_WRITE)
 			mark_dirty(lvl->image_dirty_cpu, img);
@@ -262,7 +260,6 @@ nv50_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
 
 		ps->offset = lvl->image_offset[img];
 		pipe_texture_reference(&ps->texture, pt);
-		pipe_buffer_reference(pscreen, &ps->buffer, mt->buffer);
 
 		if (flags & PIPE_BUFFER_USAGE_GPU_WRITE)
 			mark_dirty(lvl->image_dirty_gpu, img);
@@ -282,7 +279,6 @@ nv50_miptree_surface_del(struct pipe_screen *pscreen,
 
 	if (--ps->refcount <= 0) {
 		pipe_texture_reference(&ps->texture, NULL);
-		pipe_buffer_reference(pscreen, &ps->buffer, NULL);
 		FREE(s);
 	}
 }
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index 7686f746eb..b902c8cf53 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -970,7 +970,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
 	}
 
 	for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
-		struct tgsi_full_src_register *fs = &inst->FullSrcRegisters[i];
+		const struct tgsi_full_src_register *fs = &inst->FullSrcRegisters[i];
 
 		if (fs->SrcRegister.File == TGSI_FILE_SAMPLER)
 			unit = fs->SrcRegister.Index;
diff --git a/src/gallium/drivers/nv50/nv50_state_validate.c b/src/gallium/drivers/nv50/nv50_state_validate.c
index 4dc4c04493..602d76ac74 100644
--- a/src/gallium/drivers/nv50/nv50_state_validate.c
+++ b/src/gallium/drivers/nv50/nv50_state_validate.c
@@ -46,9 +46,9 @@ nv50_state_validate_fb(struct nv50_context *nv50)
 		so_data  (so, fb->cbufs[i]->height);
 
 		so_method(so, tesla, NV50TCL_RT_ADDRESS_HIGH(i), 5);
-		so_reloc (so, fb->cbufs[i]->buffer, fb->cbufs[i]->offset,
+		so_reloc (so, nv50_surface_buffer(fb->cbufs[i]), fb->cbufs[i]->offset,
 			  NOUVEAU_BO_VRAM | NOUVEAU_BO_HIGH, 0, 0);
-		so_reloc (so, fb->cbufs[i]->buffer, fb->cbufs[i]->offset,
+		so_reloc (so, nv50_surface_buffer(fb->cbufs[i]), fb->cbufs[i]->offset,
 			  NOUVEAU_BO_VRAM | NOUVEAU_BO_LOW, 0, 0);
 		switch (fb->cbufs[i]->format) {
 		case PIPE_FORMAT_A8R8G8B8_UNORM:
@@ -81,9 +81,9 @@ nv50_state_validate_fb(struct nv50_context *nv50)
 		}
 
 		so_method(so, tesla, NV50TCL_ZETA_ADDRESS_HIGH, 5);
-		so_reloc (so, fb->zsbuf->buffer, fb->zsbuf->offset,
+		so_reloc (so, nv50_surface_buffer(fb->zsbuf), fb->zsbuf->offset,
 			  NOUVEAU_BO_VRAM | NOUVEAU_BO_HIGH, 0, 0);
-		so_reloc (so, fb->zsbuf->buffer, fb->zsbuf->offset,
+		so_reloc (so, nv50_surface_buffer(fb->zsbuf), fb->zsbuf->offset,
 			  NOUVEAU_BO_VRAM | NOUVEAU_BO_LOW, 0, 0);
 		switch (fb->zsbuf->format) {
 		case PIPE_FORMAT_Z24S8_UNORM:
diff --git a/src/gallium/drivers/nv50/nv50_surface.c b/src/gallium/drivers/nv50/nv50_surface.c
index ed6602ba36..8ebbc84817 100644
--- a/src/gallium/drivers/nv50/nv50_surface.c
+++ b/src/gallium/drivers/nv50/nv50_surface.c
@@ -65,7 +65,7 @@ nv50_surface_map(struct pipe_screen *screen, struct pipe_surface *ps,
 {
 	struct pipe_winsys *ws = screen->winsys;
 
-	return ws->buffer_map(ws, ps->buffer, flags);
+	return ws->buffer_map(ws, nv50_surface_buffer(ps), flags);
 }
 
 static void
@@ -73,7 +73,7 @@ nv50_surface_unmap(struct pipe_screen *pscreen, struct pipe_surface *ps)
 {
 	struct pipe_winsys *ws = pscreen->winsys;
 
-	ws->buffer_unmap(ws, ps->buffer);
+	ws->buffer_unmap(ws, nv50_surface_buffer(ps));
 }
 
 void
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index 5952378152..7af8398193 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -211,11 +211,9 @@ softpipe_get_tex_surface(struct pipe_screen *screen,
    assert(level <= pt->last_level);
 
    ps = CALLOC_STRUCT(pipe_surface);
-   ps->refcount = 1;
    if (ps) {
-      assert(ps->refcount);
+      ps->refcount = 1;
       pipe_texture_reference(&ps->texture, pt);
-      pipe_buffer_reference(screen, &ps->buffer, spt->buffer);
       ps->format = pt->format;
       ps->block = pt->block;
       ps->width = pt->width[level];
@@ -225,7 +223,7 @@ softpipe_get_tex_surface(struct pipe_screen *screen,
       ps->stride = spt->stride[level];
       ps->offset = spt->level_offset[level];
       ps->usage = usage;
-      
+
       /* Because we are softpipe, anything that the state tracker
        * thought was going to be done with the GPU will actually get
        * done with the CPU.  Let's adjust the flags to take that into
@@ -274,8 +272,7 @@ softpipe_tex_surface_release(struct pipe_screen *screen,
     */
    assert ((*s)->texture);
    if (--surf->refcount == 0) {
-      pipe_texture_reference(&surf->texture, NULL); 
-      pipe_buffer_reference(screen, &surf->buffer, NULL);
+      pipe_texture_reference(&surf->texture, NULL);
       FREE(surf);
    }
    *s = NULL;
@@ -288,13 +285,16 @@ softpipe_surface_map( struct pipe_screen *screen,
                       unsigned flags )
 {
    ubyte *map;
+   struct softpipe_texture *spt;
 
    if (flags & ~surface->usage) {
       assert(0);
       return NULL;
    }
 
-   map = pipe_buffer_map( screen, surface->buffer, flags );
+   assert(surface->texture);
+   spt = softpipe_texture(surface->texture);
+   map = pipe_buffer_map(screen, spt->buffer, flags);
    if (map == NULL)
       return NULL;
 
@@ -318,7 +318,12 @@ static void
 softpipe_surface_unmap(struct pipe_screen *screen,
                        struct pipe_surface *surface)
 {
-   pipe_buffer_unmap( screen, surface->buffer );
+   struct softpipe_texture *spt;
+
+   assert(surface->texture);
+   spt = softpipe_texture(surface->texture);
+
+   pipe_buffer_unmap( screen, spt->buffer );
 }
 
 
diff --git a/src/gallium/drivers/softpipe/sp_tile_cache.c b/src/gallium/drivers/softpipe/sp_tile_cache.c
index 78b0efa46d..ab76009375 100644
--- a/src/gallium/drivers/softpipe/sp_tile_cache.c
+++ b/src/gallium/drivers/softpipe/sp_tile_cache.c
@@ -369,7 +369,7 @@ sp_flush_tile_cache(struct softpipe_context *softpipe,
    struct pipe_surface *ps = tc->surface;
    int inuse = 0, pos;
 
-   if (ps && ps->buffer) {
+   if (ps) {
       /* caching a drawing surface */
       for (pos = 0; pos < NUM_ENTRIES; pos++) {
          struct softpipe_cached_tile *tile = tc->entries + pos;
diff --git a/src/gallium/drivers/trace/tr_state.c b/src/gallium/drivers/trace/tr_state.c
index b23ccc1a3d..524f2d6194 100644
--- a/src/gallium/drivers/trace/tr_state.c
+++ b/src/gallium/drivers/trace/tr_state.c
@@ -397,7 +397,6 @@ void trace_dump_surface(const struct pipe_surface *state)
 
    trace_dump_struct_begin("pipe_surface");
 
-   trace_dump_member(ptr, state, buffer);
    trace_dump_member(format, state, format);
    trace_dump_member(uint, state, status);
    trace_dump_member(uint, state, clear_value);
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 13fa9ba848..dd0dfac238 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -276,7 +276,6 @@ struct pipe_sampler_state
  */
 struct pipe_surface
 {
-   struct pipe_buffer *buffer;   /**< surface's buffer/memory */
    enum pipe_format format;      /**< PIPE_FORMAT_x */
    unsigned status;              /**< PIPE_SURFACE_STATUS_x */
    unsigned clear_value;         /**< XXX may be temporary */
diff --git a/src/gallium/winsys/egl_xlib/egl_xlib.c b/src/gallium/winsys/egl_xlib/egl_xlib.c
index 4876339107..c6b0e3d8c5 100644
--- a/src/gallium/winsys/egl_xlib/egl_xlib.c
+++ b/src/gallium/winsys/egl_xlib/egl_xlib.c
@@ -41,6 +41,7 @@
 #include "pipe/internal/p_winsys_screen.h"
 #include "util/u_memory.h"
 #include "softpipe/sp_winsys.h"
+#include "softpipe/sp_texture.h"
 
 #include "eglconfig.h"
 #include "eglconfigutil.h"
@@ -292,7 +293,7 @@ display_surface(struct pipe_winsys *pws,
    assert(ximage->format);
    assert(ximage->bitmap_unit);
 
-   data = pws->buffer_map(pws, psurf->buffer, 0);
+   data = pws->buffer_map(pws, softpipe_texture(psurf->texture)->buffer, 0);
 
    /* update XImage's fields */
    ximage->data = data;
@@ -308,7 +309,7 @@ display_surface(struct pipe_winsys *pws,
    ximage->data = NULL;
    XDestroyImage(ximage);
 
-   pws->buffer_unmap(pws, psurf->buffer);
+   pws->buffer_unmap(pws, softpipe_texture(psurf->texture)->buffer);
 }
 
 
diff --git a/src/gallium/winsys/xlib/Makefile b/src/gallium/winsys/xlib/Makefile
index 5b71e6dc38..8c2892d49b 100644
--- a/src/gallium/winsys/xlib/Makefile
+++ b/src/gallium/winsys/xlib/Makefile
@@ -22,11 +22,11 @@ INCLUDE_DIRS = \
 	-I$(TOP)/src/gallium/state_trackers/glx/xlib \
 	-I$(TOP)/src/gallium/auxiliary
 
-DEFINES = \
+DEFINES += \
 	-DGALLIUM_SOFTPIPE \
-	-DGALLIUM_CELL \
 	-DGALLIUM_TRACE \
 	-DGALLIUM_BRW
+#-DGALLIUM_CELL will be defined by the config */
 
 XLIB_WINSYS_SOURCES = \
 	xlib.c \
diff --git a/src/gallium/winsys/xlib/xlib_brw_screen.c b/src/gallium/winsys/xlib/xlib_brw_screen.c
index 5344c502ef..51740a9af6 100644
--- a/src/gallium/winsys/xlib/xlib_brw_screen.c
+++ b/src/gallium/winsys/xlib/xlib_brw_screen.c
@@ -42,12 +42,19 @@
 #include "util/u_memory.h"
 #include "i965simple/brw_winsys.h"
 #include "i965simple/brw_screen.h"
+#include "i965simple/brw_context.h"
+
 
 #include "xlib_brw_aub.h"
 #include "xlib_brw.h"
 #include "xlib.h"
 
-
+static struct pipe_buffer *
+buffer_from_surface(struct pipe_surface *surface)
+{
+   struct brw_texture *texture = (struct brw_texture *)surface;
+   return texture->buffer;
+}
 
 struct aub_buffer {
    char *data;
@@ -226,7 +233,7 @@ aub_flush_frontbuffer( struct pipe_winsys *winsys,
 //   struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys);
    brw_aub_dump_bmp( global_winsys->aubfile, 
 		     surface,
-		     aub_bo(surface->buffer)->offset );
+		     aub_bo(buffer_from_surface(surface))->offset );
 }
 
 
@@ -449,7 +456,7 @@ xlib_brw_display_surface(struct xmesa_buffer *b,
 {
    brw_aub_dump_bmp( global_winsys->aubfile, 
 		     surf,
-		     aub_bo(surf->buffer)->offset );
+		     aub_bo(buffer_from_surface(surf))->offset );
 }
 
 
diff --git a/src/gallium/winsys/xlib/xlib_cell.c b/src/gallium/winsys/xlib/xlib_cell.c
index bf69593c5c..c87564f4dc 100644
--- a/src/gallium/winsys/xlib/xlib_cell.c
+++ b/src/gallium/winsys/xlib/xlib_cell.c
@@ -51,6 +51,7 @@
 #include "cell/ppu/cell_context.h"
 #include "cell/ppu/cell_screen.h"
 #include "cell/ppu/cell_winsys.h"
+#include "cell/ppu/cell_texture.h"
 
 
 /**
@@ -164,7 +165,8 @@ static void
 xlib_cell_display_surface(struct xmesa_buffer *b, struct pipe_surface *surf)
 {
    XImage *ximage;
-   struct xm_buffer *xm_buf = xm_buffer(surf->buffer);
+   struct xm_buffer *xm_buf = xm_buffer(
+      cell_texture(surf->texture)->buffer);
    const uint tilesPerRow = (surf->width + TILE_SIZE - 1) / TILE_SIZE;
    uint x, y;
 
diff --git a/src/gallium/winsys/xlib/xlib_softpipe.c b/src/gallium/winsys/xlib/xlib_softpipe.c
index 01d24584e2..586e1dfca5 100644
--- a/src/gallium/winsys/xlib/xlib_softpipe.c
+++ b/src/gallium/winsys/xlib/xlib_softpipe.c
@@ -45,6 +45,7 @@
 #include "util/u_math.h"
 #include "util/u_memory.h"
 #include "softpipe/sp_winsys.h"
+#include "softpipe/sp_texture.h"
 
 #include "xlib.h"
 
@@ -58,7 +59,7 @@ struct xm_buffer
    boolean userBuffer;  /** Is this a user-space buffer? */
    void *data;
    void *mapped;
-   
+
    XImage *tempImage;
    int shm;
    XShmSegmentInfo shminfo;
@@ -225,11 +226,12 @@ xm_buffer_destroy(struct pipe_winsys *pws,
  * by the XMesaBuffer.
  */
 static void
-xlib_softpipe_display_surface(struct xmesa_buffer *b, 
+xlib_softpipe_display_surface(struct xmesa_buffer *b,
                               struct pipe_surface *surf)
 {
    XImage *ximage;
-   struct xm_buffer *xm_buf = xm_buffer(surf->buffer);
+   struct xm_buffer *xm_buf = xm_buffer(
+      softpipe_texture(surf->texture)->buffer);
    static boolean no_swap = 0;
    static boolean firsttime = 1;
 
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index d18946de7d..963ac902d2 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -171,7 +171,6 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
                                                   surface_usage );
 
    assert(strb->surface->texture);
-   assert(strb->surface->buffer);
    assert(strb->surface->format);
    assert(strb->surface->block.size);
    assert(strb->surface->block.width);
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index 9e5c35072a..6a3455aaba 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -128,11 +128,11 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
       dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
                                         PIPE_BUFFER_USAGE_CPU_WRITE);
 
-      srcData = (ubyte *) pipe_buffer_map(pipe->screen, srcSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_READ)
+      srcData = (ubyte *) pipe_surface_map(srcSurf,
+                                           PIPE_BUFFER_USAGE_CPU_READ)
               + srcSurf->offset;
-      dstData = (ubyte *) pipe_buffer_map(pipe->screen, dstSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_WRITE)
+      dstData = (ubyte *) pipe_surface_map(dstSurf,
+                                           PIPE_BUFFER_USAGE_CPU_WRITE)
               + dstSurf->offset;
 
       _mesa_generate_mipmap_level(target, datatype, comps,
@@ -144,8 +144,8 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
                    dstData,
                    dstSurf->stride); /* stride in bytes */
 
-      pipe_buffer_unmap(pipe->screen, srcSurf->buffer);
-      pipe_buffer_unmap(pipe->screen, dstSurf->buffer);
+      pipe_surface_unmap(srcSurf);
+      pipe_surface_unmap(dstSurf);
 
       pipe_surface_reference(&srcSurf, NULL);
       pipe_surface_reference(&dstSurf, NULL);