diff --git a/SConstruct b/SConstruct
index 3a4ff9a..5181e19 100644
--- a/SConstruct
+++ b/SConstruct
@@ -33,10 +33,10 @@
 default_statetrackers = 'mesa'
 
 if common.default_platform in ('linux', 'freebsd', 'darwin'):
-	default_drivers = 'softpipe,failover,svga,i915,i965,trace,identity,llvmpipe'
+	default_drivers = 'softpipe,failover,svga,i915,i965,trace,rbug,identity,llvmpipe'
 	default_winsys = 'xlib'
 elif common.default_platform in ('winddk',):
-	default_drivers = 'softpipe,svga,i915,i965,trace,identity'
+	default_drivers = 'softpipe,svga,i915,i965,trace,rbug,identity'
 	default_winsys = 'all'
 elif common.default_platform in ('embedded',):
 	default_drivers = 'softpipe,llvmpipe'
@@ -50,7 +50,7 @@
 opts.Add(ListVariable('statetrackers', 'state trackers to build', default_statetrackers,
                      ['mesa', 'python', 'xorg']))
 opts.Add(ListVariable('drivers', 'pipe drivers to build', default_drivers,
-                     ['softpipe', 'failover', 'svga', 'i915', 'i965', 'trace', 'r300', 'identity', 'llvmpipe', 'nouveau', 'nv50', 'nvfx']))
+                     ['softpipe', 'failover', 'svga', 'i915', 'i965', 'trace', 'rbug', 'r300', 'identity', 'llvmpipe', 'nouveau', 'nv50', 'nvfx']))
 opts.Add(ListVariable('winsys', 'winsys drivers to build', default_winsys,
                      ['xlib', 'vmware', 'i915', 'i965', 'gdi', 'radeon', 'graw-xlib']))
 
@@ -102,9 +102,11 @@
 #######################################################################
 # Environment setup
 
-# Always build trace, identity, softpipe, and llvmpipe (where possible)
+# Always build trace, rbug, identity, softpipe, and llvmpipe (where possible)
 if 'trace' not in env['drivers']:
     env['drivers'].append('trace')
+if 'rbug' not in env['drivers']:
+    env['drivers'].append('rbug')
 if 'identity' not in env['drivers']:
     env['drivers'].append('identity')
 if 'softpipe' not in env['drivers']:
diff --git a/configs/default b/configs/default
index 4a5d3fd..f0395ce 100644
--- a/configs/default
+++ b/configs/default
@@ -108,7 +108,7 @@
 # Gallium directories and 
 GALLIUM_DIRS = auxiliary drivers state_trackers
 GALLIUM_AUXILIARIES = $(TOP)/src/gallium/auxiliary/libgallium.a
-GALLIUM_DRIVERS_DIRS = softpipe trace identity i915 i965 svga r300 nvfx nv50 failover
+GALLIUM_DRIVERS_DIRS = softpipe trace rbug identity i915 i965 svga r300 nvfx nv50 failover
 GALLIUM_DRIVERS = $(foreach DIR,$(GALLIUM_DRIVERS_DIRS),$(TOP)/src/gallium/drivers/$(DIR)/lib$(DIR).a)
 GALLIUM_WINSYS_DIRS = sw sw/xlib
 GALLIUM_TARGET_DIRS = libgl-xlib
diff --git a/configs/linux-cell b/configs/linux-cell
index ac6a208..2b0c41e 100644
--- a/configs/linux-cell
+++ b/configs/linux-cell
@@ -6,7 +6,7 @@
 
 
 # Omiting other gallium drivers:
-GALLIUM_DRIVERS_DIRS = cell softpipe trace identity
+GALLIUM_DRIVERS_DIRS = cell softpipe trace rbug identity
 
 
 # Compiler and flags
diff --git a/configs/linux-opengl-es b/configs/linux-opengl-es
index 5e31b8c..fb65c02 100644
--- a/configs/linux-opengl-es
+++ b/configs/linux-opengl-es
@@ -23,7 +23,7 @@
 GALLIUM_STATE_TRACKERS_DIRS = es
 
 # build egl_x11_{swrast,i915}.so
-GALLIUM_DRIVERS_DIRS += trace i915
+GALLIUM_DRIVERS_DIRS += trace rbug i915
 GALLIUM_STATE_TRACKERS_DIRS += egl
 GALLIUM_WINSYS_DIRS += drm/intel
 GALLIUM_TARGET_DIRS += egl-swrast egl-i915
diff --git a/configure.ac b/configure.ac
index 4acc6d5..7f6f8db 100644
--- a/configure.ac
+++ b/configure.ac
@@ -474,7 +474,7 @@
 GALLIUM_DIRS="auxiliary drivers state_trackers"
 GALLIUM_TARGET_DIRS=""
 GALLIUM_WINSYS_DIRS="sw"
-GALLIUM_DRIVERS_DIRS="softpipe failover trace identity"
+GALLIUM_DRIVERS_DIRS="softpipe failover trace rbug identity"
 GALLIUM_STATE_TRACKERS_DIRS=""
 
 case "$mesa_driver" in
diff --git a/src/gallium/drivers/rbug/Makefile b/src/gallium/drivers/rbug/Makefile
new file mode 100644
index 0000000..64e172f
--- /dev/null
+++ b/src/gallium/drivers/rbug/Makefile
@@ -0,0 +1,12 @@
+TOP = ../../../..
+include $(TOP)/configs/current
+
+LIBNAME = rbug
+
+C_SOURCES = \
+	rbug_core.c \
+	rbug_context.c \
+	rbug_objects.c \
+	rbug_screen.c
+
+include ../../Makefile.template
diff --git a/src/gallium/drivers/rbug/SConscript b/src/gallium/drivers/rbug/SConscript
new file mode 100644
index 0000000..3da6ac1
--- /dev/null
+++ b/src/gallium/drivers/rbug/SConscript
@@ -0,0 +1,14 @@
+Import('*')
+
+env = env.Clone()
+
+rbug = env.ConvenienceLibrary(
+	target = 'rbug',
+	source = [
+		'rbug_context.c',
+		'rbug_core.c',
+		'rbug_objects.c',
+		'rbug_screen.c',
+	])
+
+Export('rbug')
diff --git a/src/gallium/drivers/rbug/rbug_context.c b/src/gallium/drivers/rbug/rbug_context.c
new file mode 100644
index 0000000..0bc9b32
--- /dev/null
+++ b/src/gallium/drivers/rbug/rbug_context.c
@@ -0,0 +1,908 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "pipe/p_context.h"
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+
+#include "rbug_context.h"
+#include "rbug_objects.h"
+
+
+static void
+rbug_destroy(struct pipe_context *_pipe)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->destroy(pipe);
+
+   FREE(rb_pipe);
+}
+
+static void
+rbug_draw_arrays(struct pipe_context *_pipe,
+                 unsigned prim,
+                 unsigned start,
+                 unsigned count)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->draw_arrays(pipe,
+                     prim,
+                     start,
+                     count);
+}
+
+static void
+rbug_draw_elements(struct pipe_context *_pipe,
+                   struct pipe_resource *_indexResource,
+                   unsigned indexSize,
+                   int indexBias,
+                   unsigned prim,
+                   unsigned start,
+                   unsigned count)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct rbug_resource *rb_resource = rbug_resource(_indexResource);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_resource *indexResource = rb_resource->resource;
+
+   pipe->draw_elements(pipe,
+                       indexResource,
+                       indexSize,
+                       indexBias,
+                       prim,
+                       start,
+                       count);
+}
+
+static void
+rbug_draw_range_elements(struct pipe_context *_pipe,
+                         struct pipe_resource *_indexResource,
+                         unsigned indexSize,
+                         int indexBias,
+                         unsigned minIndex,
+                         unsigned maxIndex,
+                         unsigned mode,
+                         unsigned start,
+                         unsigned count)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct rbug_resource *rb_resource = rbug_resource(_indexResource);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_resource *indexResource = rb_resource->resource;
+
+   pipe->draw_range_elements(pipe,
+                             indexResource,
+                             indexSize,
+                             indexBias,
+                             minIndex,
+                             maxIndex,
+                             mode,
+                             start,
+                             count);
+}
+
+static struct pipe_query *
+rbug_create_query(struct pipe_context *_pipe,
+                  unsigned query_type)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   return pipe->create_query(pipe,
+                             query_type);
+}
+
+static void
+rbug_destroy_query(struct pipe_context *_pipe,
+                   struct pipe_query *query)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->destroy_query(pipe,
+                       query);
+}
+
+static void
+rbug_begin_query(struct pipe_context *_pipe,
+                 struct pipe_query *query)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->begin_query(pipe,
+                     query);
+}
+
+static void
+rbug_end_query(struct pipe_context *_pipe,
+               struct pipe_query *query)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->end_query(pipe,
+                   query);
+}
+
+static boolean
+rbug_get_query_result(struct pipe_context *_pipe,
+                      struct pipe_query *query,
+                      boolean wait,
+                      uint64_t *result)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   return pipe->get_query_result(pipe,
+                                 query,
+                                 wait,
+                                 result);
+}
+
+static void *
+rbug_create_blend_state(struct pipe_context *_pipe,
+                        const struct pipe_blend_state *blend)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   return pipe->create_blend_state(pipe,
+                                   blend);
+}
+
+static void
+rbug_bind_blend_state(struct pipe_context *_pipe,
+                      void *blend)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->bind_blend_state(pipe,
+                              blend);
+}
+
+static void
+rbug_delete_blend_state(struct pipe_context *_pipe,
+                        void *blend)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->delete_blend_state(pipe,
+                            blend);
+}
+
+static void *
+rbug_create_sampler_state(struct pipe_context *_pipe,
+                          const struct pipe_sampler_state *sampler)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   return pipe->create_sampler_state(pipe,
+                                     sampler);
+}
+
+static void
+rbug_bind_fragment_sampler_states(struct pipe_context *_pipe,
+                                  unsigned num_samplers,
+                                  void **samplers)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->bind_fragment_sampler_states(pipe,
+                                      num_samplers,
+                                      samplers);
+}
+
+static void
+rbug_bind_vertex_sampler_states(struct pipe_context *_pipe,
+                                unsigned num_samplers,
+                                void **samplers)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->bind_vertex_sampler_states(pipe,
+                                    num_samplers,
+                                    samplers);
+}
+
+static void
+rbug_delete_sampler_state(struct pipe_context *_pipe,
+                          void *sampler)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->delete_sampler_state(pipe,
+                              sampler);
+}
+
+static void *
+rbug_create_rasterizer_state(struct pipe_context *_pipe,
+                             const struct pipe_rasterizer_state *rasterizer)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   return pipe->create_rasterizer_state(pipe,
+                                        rasterizer);
+}
+
+static void
+rbug_bind_rasterizer_state(struct pipe_context *_pipe,
+                           void *rasterizer)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->bind_rasterizer_state(pipe,
+                               rasterizer);
+}
+
+static void
+rbug_delete_rasterizer_state(struct pipe_context *_pipe,
+                             void *rasterizer)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->delete_rasterizer_state(pipe,
+                                 rasterizer);
+}
+
+static void *
+rbug_create_depth_stencil_alpha_state(struct pipe_context *_pipe,
+                                      const struct pipe_depth_stencil_alpha_state *depth_stencil_alpha)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   return pipe->create_depth_stencil_alpha_state(pipe,
+                                                 depth_stencil_alpha);
+}
+
+static void
+rbug_bind_depth_stencil_alpha_state(struct pipe_context *_pipe,
+                                    void *depth_stencil_alpha)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->bind_depth_stencil_alpha_state(pipe,
+                                        depth_stencil_alpha);
+}
+
+static void
+rbug_delete_depth_stencil_alpha_state(struct pipe_context *_pipe,
+                                      void *depth_stencil_alpha)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->delete_depth_stencil_alpha_state(pipe,
+                                          depth_stencil_alpha);
+}
+
+static void *
+rbug_create_fs_state(struct pipe_context *_pipe,
+                     const struct pipe_shader_state *fs)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   return pipe->create_fs_state(pipe,
+                                fs);
+}
+
+static void
+rbug_bind_fs_state(struct pipe_context *_pipe,
+                   void *fs)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->bind_fs_state(pipe,
+                       fs);
+}
+
+static void
+rbug_delete_fs_state(struct pipe_context *_pipe,
+                     void *fs)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->delete_fs_state(pipe,
+                         fs);
+}
+
+static void *
+rbug_create_vs_state(struct pipe_context *_pipe,
+                     const struct pipe_shader_state *vs)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   return pipe->create_vs_state(pipe,
+                                vs);
+}
+
+static void
+rbug_bind_vs_state(struct pipe_context *_pipe,
+                   void *vs)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->bind_vs_state(pipe,
+                       vs);
+}
+
+static void
+rbug_delete_vs_state(struct pipe_context *_pipe,
+                     void *vs)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->delete_vs_state(pipe,
+                         vs);
+}
+
+
+static void *
+rbug_create_vertex_elements_state(struct pipe_context *_pipe,
+                                  unsigned num_elements,
+                                  const struct pipe_vertex_element *vertex_elements)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   return pipe->create_vertex_elements_state(pipe,
+                                             num_elements,
+                                             vertex_elements);
+}
+
+static void
+rbug_bind_vertex_elements_state(struct pipe_context *_pipe,
+                                void *velems)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->bind_vertex_elements_state(pipe,
+                                    velems);
+}
+
+static void
+rbug_delete_vertex_elements_state(struct pipe_context *_pipe,
+                                  void *velems)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->delete_vertex_elements_state(pipe,
+                                      velems);
+}
+
+static void
+rbug_set_blend_color(struct pipe_context *_pipe,
+                     const struct pipe_blend_color *blend_color)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->set_blend_color(pipe,
+                         blend_color);
+}
+
+static void
+rbug_set_stencil_ref(struct pipe_context *_pipe,
+                     const struct pipe_stencil_ref *stencil_ref)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->set_stencil_ref(pipe,
+                         stencil_ref);
+}
+
+static void
+rbug_set_clip_state(struct pipe_context *_pipe,
+                    const struct pipe_clip_state *clip)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->set_clip_state(pipe,
+                        clip);
+}
+
+static void
+rbug_set_constant_buffer(struct pipe_context *_pipe,
+                         uint shader,
+                         uint index,
+                         struct pipe_resource *_resource)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_resource *unwrapped_resource;
+   struct pipe_resource *resource = NULL;
+
+   /* XXX hmm? unwrap the input state */
+   if (_resource) {
+      unwrapped_resource = rbug_resource_unwrap(_resource);
+      resource = unwrapped_resource;
+   }
+
+   pipe->set_constant_buffer(pipe,
+                             shader,
+                             index,
+                             resource);
+}
+
+static void
+rbug_set_framebuffer_state(struct pipe_context *_pipe,
+                           const struct pipe_framebuffer_state *_state)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_framebuffer_state unwrapped_state;
+   struct pipe_framebuffer_state *state = NULL;
+   unsigned i;
+
+   /* unwrap the input state */
+   if (_state) {
+      memcpy(&unwrapped_state, _state, sizeof(unwrapped_state));
+      for(i = 0; i < _state->nr_cbufs; i++)
+         unwrapped_state.cbufs[i] = rbug_surface_unwrap(_state->cbufs[i]);
+      for (; i < PIPE_MAX_COLOR_BUFS; i++)
+         unwrapped_state.cbufs[i] = NULL;
+      unwrapped_state.zsbuf = rbug_surface_unwrap(_state->zsbuf);
+      state = &unwrapped_state;
+   }
+
+   pipe->set_framebuffer_state(pipe,
+                               state);
+}
+
+static void
+rbug_set_polygon_stipple(struct pipe_context *_pipe,
+                         const struct pipe_poly_stipple *poly_stipple)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->set_polygon_stipple(pipe,
+                             poly_stipple);
+}
+
+static void
+rbug_set_scissor_state(struct pipe_context *_pipe,
+                       const struct pipe_scissor_state *scissor)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->set_scissor_state(pipe,
+                           scissor);
+}
+
+static void
+rbug_set_viewport_state(struct pipe_context *_pipe,
+                        const struct pipe_viewport_state *viewport)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->set_viewport_state(pipe,
+                            viewport);
+}
+
+static void
+rbug_set_fragment_sampler_views(struct pipe_context *_pipe,
+                                unsigned num,
+                                struct pipe_sampler_view **_views)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_sampler_view *unwrapped_views[PIPE_MAX_SAMPLERS];
+   struct pipe_sampler_view **views = NULL;
+   unsigned i;
+
+   if (_views) {
+      for (i = 0; i < num; i++)
+         unwrapped_views[i] = rbug_sampler_view_unwrap(_views[i]);
+      for (; i < PIPE_MAX_SAMPLERS; i++)
+         unwrapped_views[i] = NULL;
+
+      views = unwrapped_views;
+   }
+
+   pipe->set_fragment_sampler_views(pipe, num, views);
+}
+
+static void
+rbug_set_vertex_sampler_views(struct pipe_context *_pipe,
+                              unsigned num,
+                              struct pipe_sampler_view **_views)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_sampler_view *unwrapped_views[PIPE_MAX_VERTEX_SAMPLERS];
+   struct pipe_sampler_view **views = NULL;
+   unsigned i;
+
+   if (_views) {
+      for (i = 0; i < num; i++)
+         unwrapped_views[i] = rbug_sampler_view_unwrap(_views[i]);
+      for (; i < PIPE_MAX_VERTEX_SAMPLERS; i++)
+         unwrapped_views[i] = NULL;
+
+      views = unwrapped_views;
+   }
+
+   pipe->set_vertex_sampler_views(pipe, num, views);
+}
+
+static void
+rbug_set_vertex_buffers(struct pipe_context *_pipe,
+                        unsigned num_buffers,
+                        const struct pipe_vertex_buffer *_buffers)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_vertex_buffer unwrapped_buffers[PIPE_MAX_SHADER_INPUTS];
+   struct pipe_vertex_buffer *buffers = NULL;
+   unsigned i;
+
+   if (num_buffers) {
+      memcpy(unwrapped_buffers, _buffers, num_buffers * sizeof(*_buffers));
+      for (i = 0; i < num_buffers; i++)
+         unwrapped_buffers[i].buffer = rbug_resource_unwrap(_buffers[i].buffer);
+      buffers = unwrapped_buffers;
+   }
+
+   pipe->set_vertex_buffers(pipe,
+                            num_buffers,
+                            buffers);
+}
+static void
+rbug_surface_copy(struct pipe_context *_pipe,
+                  struct pipe_surface *_dst,
+                  unsigned dstx,
+                  unsigned dsty,
+                  struct pipe_surface *_src,
+                  unsigned srcx,
+                  unsigned srcy,
+                  unsigned width,
+                  unsigned height)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct rbug_surface *rb_surface_dst = rbug_surface(_dst);
+   struct rbug_surface *rb_surface_src = rbug_surface(_src);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_surface *dst = rb_surface_dst->surface;
+   struct pipe_surface *src = rb_surface_src->surface;
+
+   pipe->surface_copy(pipe,
+                      dst,
+                      dstx,
+                      dsty,
+                      src,
+                      srcx,
+                      srcy,
+                      width,
+                      height);
+}
+
+static void
+rbug_surface_fill(struct pipe_context *_pipe,
+                  struct pipe_surface *_dst,
+                  unsigned dstx,
+                  unsigned dsty,
+                  unsigned width,
+                  unsigned height,
+                  unsigned value)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct rbug_surface *rb_surface_dst = rbug_surface(_dst);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_surface *dst = rb_surface_dst->surface;
+
+   pipe->surface_fill(pipe,
+                      dst,
+                      dstx,
+                      dsty,
+                      width,
+                      height,
+                      value);
+}
+
+static void
+rbug_clear(struct pipe_context *_pipe,
+           unsigned buffers,
+           const float *rgba,
+           double depth,
+           unsigned stencil)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->clear(pipe,
+               buffers,
+               rgba,
+               depth,
+               stencil);
+}
+
+static void
+rbug_flush(struct pipe_context *_pipe,
+           unsigned flags,
+           struct pipe_fence_handle **fence)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct pipe_context *pipe = rb_pipe->pipe;
+
+   pipe->flush(pipe,
+               flags,
+               fence);
+}
+
+static unsigned int
+rbug_is_resource_referenced(struct pipe_context *_pipe,
+                            struct pipe_resource *_resource,
+                            unsigned face,
+                            unsigned level)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct rbug_resource *rb_resource = rbug_resource(_resource);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_resource *resource = rb_resource->resource;
+
+   return pipe->is_resource_referenced(pipe,
+                                       resource,
+                                       face,
+                                       level);
+}
+
+static struct pipe_sampler_view *
+rbug_context_create_sampler_view(struct pipe_context *_pipe,
+                                 struct pipe_resource *_resource,
+                                 const struct pipe_sampler_view *templ)
+{
+   struct rbug_context *rb_pipe = rbug_context(_pipe);
+   struct rbug_resource *rb_resource = rbug_resource(_resource);
+   struct pipe_context *pipe = rb_pipe->pipe;
+   struct pipe_resource *resource = rb_resource->resource;
+   struct pipe_sampler_view *result;
+
+   result = pipe->create_sampler_view(pipe,
+                                      resource,
+                                      templ);
+
+   if (result)
+      return rbug_sampler_view_create(rb_pipe, rb_resource, result);
+   return NULL;
+}
+
+static void
+rbug_context_sampler_view_destroy(struct pipe_context *_pipe,
+                                  struct pipe_sampler_view *_view)
+{
+   rbug_sampler_view_destroy(rbug_context(_pipe),
+                             rbug_sampler_view(_view));
+}
+
+static struct pipe_transfer *
+rbug_context_get_transfer(struct pipe_context *_context,
+                          struct pipe_resource *_resource,
+                          struct pipe_subresource sr,
+                          unsigned usage,
+                          const struct pipe_box *box)
+{
+   struct rbug_context *rb_pipe = rbug_context(_context);
+   struct rbug_resource *rb_resource = rbug_resource(_resource);
+   struct pipe_context *context = rb_pipe->pipe;
+   struct pipe_resource *resource = rb_resource->resource;
+   struct pipe_transfer *result;
+
+   result = context->get_transfer(context,
+                                  resource,
+                                  sr,
+                                  usage,
+                                  box);
+
+   if (result)
+      return rbug_transfer_create(rb_pipe, rb_resource, result);
+   return NULL;
+}
+
+static void
+rbug_context_transfer_destroy(struct pipe_context *_pipe,
+                              struct pipe_transfer *_transfer)
+{
+   rbug_transfer_destroy(rbug_context(_pipe),
+                             rbug_transfer(_transfer));
+}
+
+static void *
+rbug_context_transfer_map(struct pipe_context *_context,
+                          struct pipe_transfer *_transfer)
+{
+   struct rbug_context *rb_pipe = rbug_context(_context);
+   struct rbug_transfer *rb_transfer = rbug_transfer(_transfer);
+   struct pipe_context *context = rb_pipe->pipe;
+   struct pipe_transfer *transfer = rb_transfer->transfer;
+
+   return context->transfer_map(context,
+                                transfer);
+}
+
+
+
+static void
+rbug_context_transfer_flush_region(struct pipe_context *_context,
+                                   struct pipe_transfer *_transfer,
+                                   const struct pipe_box *box)
+{
+   struct rbug_context *rb_pipe = rbug_context(_context);
+   struct rbug_transfer *rb_transfer = rbug_transfer(_transfer);
+   struct pipe_context *context = rb_pipe->pipe;
+   struct pipe_transfer *transfer = rb_transfer->transfer;
+
+   context->transfer_flush_region(context,
+                                  transfer,
+                                  box);
+}
+
+
+static void
+rbug_context_transfer_unmap(struct pipe_context *_context,
+                            struct pipe_transfer *_transfer)
+{
+   struct rbug_context *rb_pipe = rbug_context(_context);
+   struct rbug_transfer *rb_transfer = rbug_transfer(_transfer);
+   struct pipe_context *context = rb_pipe->pipe;
+   struct pipe_transfer *transfer = rb_transfer->transfer;
+
+   context->transfer_unmap(context,
+                           transfer);
+}
+
+
+static void
+rbug_context_transfer_inline_write(struct pipe_context *_context,
+                                   struct pipe_resource *_resource,
+                                   struct pipe_subresource sr,
+                                   unsigned usage,
+                                   const struct pipe_box *box,
+                                   const void *data,
+                                   unsigned stride,
+                                   unsigned slice_stride)
+{
+   struct rbug_context *rb_pipe = rbug_context(_context);
+   struct rbug_resource *rb_resource = rbug_resource(_resource);
+   struct pipe_context *context = rb_pipe->pipe;
+   struct pipe_resource *resource = rb_resource->resource;
+
+   context->transfer_inline_write(context,
+                                  resource,
+                                  sr,
+                                  usage,
+                                  box,
+                                  data,
+                                  stride,
+                                  slice_stride);
+}
+
+
+struct pipe_context *
+rbug_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
+{
+   struct rbug_context *rb_pipe;
+   (void)rbug_screen(_screen);
+
+   rb_pipe = CALLOC_STRUCT(rbug_context);
+   if (!rb_pipe) {
+      return NULL;
+   }
+
+   rb_pipe->base.winsys = NULL;
+   rb_pipe->base.screen = _screen;
+   rb_pipe->base.priv = pipe->priv; /* expose wrapped data */
+   rb_pipe->base.draw = NULL;
+
+   rb_pipe->base.destroy = rbug_destroy;
+   rb_pipe->base.draw_arrays = rbug_draw_arrays;
+   rb_pipe->base.draw_elements = rbug_draw_elements;
+   rb_pipe->base.draw_range_elements = rbug_draw_range_elements;
+   rb_pipe->base.create_query = rbug_create_query;
+   rb_pipe->base.destroy_query = rbug_destroy_query;
+   rb_pipe->base.begin_query = rbug_begin_query;
+   rb_pipe->base.end_query = rbug_end_query;
+   rb_pipe->base.get_query_result = rbug_get_query_result;
+   rb_pipe->base.create_blend_state = rbug_create_blend_state;
+   rb_pipe->base.bind_blend_state = rbug_bind_blend_state;
+   rb_pipe->base.delete_blend_state = rbug_delete_blend_state;
+   rb_pipe->base.create_sampler_state = rbug_create_sampler_state;
+   rb_pipe->base.bind_fragment_sampler_states = rbug_bind_fragment_sampler_states;
+   rb_pipe->base.bind_vertex_sampler_states = rbug_bind_vertex_sampler_states;
+   rb_pipe->base.delete_sampler_state = rbug_delete_sampler_state;
+   rb_pipe->base.create_rasterizer_state = rbug_create_rasterizer_state;
+   rb_pipe->base.bind_rasterizer_state = rbug_bind_rasterizer_state;
+   rb_pipe->base.delete_rasterizer_state = rbug_delete_rasterizer_state;
+   rb_pipe->base.create_depth_stencil_alpha_state = rbug_create_depth_stencil_alpha_state;
+   rb_pipe->base.bind_depth_stencil_alpha_state = rbug_bind_depth_stencil_alpha_state;
+   rb_pipe->base.delete_depth_stencil_alpha_state = rbug_delete_depth_stencil_alpha_state;
+   rb_pipe->base.create_fs_state = rbug_create_fs_state;
+   rb_pipe->base.bind_fs_state = rbug_bind_fs_state;
+   rb_pipe->base.delete_fs_state = rbug_delete_fs_state;
+   rb_pipe->base.create_vs_state = rbug_create_vs_state;
+   rb_pipe->base.bind_vs_state = rbug_bind_vs_state;
+   rb_pipe->base.delete_vs_state = rbug_delete_vs_state;
+   rb_pipe->base.create_vertex_elements_state = rbug_create_vertex_elements_state;
+   rb_pipe->base.bind_vertex_elements_state = rbug_bind_vertex_elements_state;
+   rb_pipe->base.delete_vertex_elements_state = rbug_delete_vertex_elements_state;
+   rb_pipe->base.set_blend_color = rbug_set_blend_color;
+   rb_pipe->base.set_stencil_ref = rbug_set_stencil_ref;
+   rb_pipe->base.set_clip_state = rbug_set_clip_state;
+   rb_pipe->base.set_constant_buffer = rbug_set_constant_buffer;
+   rb_pipe->base.set_framebuffer_state = rbug_set_framebuffer_state;
+   rb_pipe->base.set_polygon_stipple = rbug_set_polygon_stipple;
+   rb_pipe->base.set_scissor_state = rbug_set_scissor_state;
+   rb_pipe->base.set_viewport_state = rbug_set_viewport_state;
+   rb_pipe->base.set_fragment_sampler_views = rbug_set_fragment_sampler_views;
+   rb_pipe->base.set_vertex_sampler_views = rbug_set_vertex_sampler_views;
+   rb_pipe->base.set_vertex_buffers = rbug_set_vertex_buffers;
+   rb_pipe->base.surface_copy = rbug_surface_copy;
+   rb_pipe->base.surface_fill = rbug_surface_fill;
+   rb_pipe->base.clear = rbug_clear;
+   rb_pipe->base.flush = rbug_flush;
+   rb_pipe->base.is_resource_referenced = rbug_is_resource_referenced;
+   rb_pipe->base.create_sampler_view = rbug_context_create_sampler_view;
+   rb_pipe->base.sampler_view_destroy = rbug_context_sampler_view_destroy;
+   rb_pipe->base.get_transfer = rbug_context_get_transfer;
+   rb_pipe->base.transfer_destroy = rbug_context_transfer_destroy;
+   rb_pipe->base.transfer_map = rbug_context_transfer_map;
+   rb_pipe->base.transfer_unmap = rbug_context_transfer_unmap;
+   rb_pipe->base.transfer_flush_region = rbug_context_transfer_flush_region;
+   rb_pipe->base.transfer_inline_write = rbug_context_transfer_inline_write;
+
+   rb_pipe->pipe = pipe;
+
+   return &rb_pipe->base;
+}
diff --git a/src/gallium/drivers/rbug/rbug_context.h b/src/gallium/drivers/rbug/rbug_context.h
new file mode 100644
index 0000000..08ff050
--- /dev/null
+++ b/src/gallium/drivers/rbug/rbug_context.h
@@ -0,0 +1,108 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef RBUG_CONTEXT_H
+#define RBUG_CONTEXT_H
+
+#include "pipe/p_state.h"
+#include "pipe/p_context.h"
+
+#include "rbug_screen.h"
+
+
+struct rbug_context {
+   struct pipe_context base;  /**< base class */
+
+   struct pipe_context *pipe;
+
+   struct rbug_list list;
+
+   /* call locking */
+   pipe_mutex call_mutex;
+
+   /* current state */
+   struct {
+      struct rbug_shader *fs;
+      struct rbug_shader *vs;
+
+      struct rbug_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
+      unsigned num_sampler_views;
+
+      struct rbug_sampler_view *vert_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
+      unsigned num_vert_sampler_views;
+
+      unsigned nr_cbufs;
+      struct rbug_resource *cbufs[PIPE_MAX_COLOR_BUFS];
+      struct rbug_resource *zsbuf;
+   } curr;
+
+   /* draw locking */
+   pipe_mutex draw_mutex;
+   pipe_condvar draw_cond;
+   unsigned draw_num_rules;
+   int draw_blocker;
+   int draw_blocked;
+
+   struct {
+      struct rbug_shader *fs;
+      struct rbug_shader *vs;
+
+      struct rbug_sampler_view *sampler_view;
+      struct rbug_resource *surf;
+
+      int blocker;
+   } draw_rule;
+
+   /* list of state objects */
+   pipe_mutex list_mutex;
+   unsigned num_shaders;
+   struct rbug_list shaders;
+};
+
+static INLINE struct rbug_context *
+rbug_context(struct pipe_context *pipe)
+{
+   return (struct rbug_context *)pipe;
+}
+
+
+/**********************************************************
+ * rbug_context.c
+ */
+
+struct pipe_context *
+rbug_context_create(struct pipe_screen *screen, struct pipe_context *pipe);
+
+
+/**********************************************************
+ * rbug_core.c
+ */
+
+void rbug_notify_draw_blocked(struct rbug_context *rb_context);
+
+
+#endif /* RBUG_CONTEXT_H */
diff --git a/src/gallium/drivers/rbug/rbug_core.c b/src/gallium/drivers/rbug/rbug_core.c
new file mode 100644
index 0000000..c0b1d97
--- /dev/null
+++ b/src/gallium/drivers/rbug/rbug_core.c
@@ -0,0 +1,869 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "os/os_thread.h"
+#include "util/u_format.h"
+#include "util/u_string.h"
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+#include "util/u_simple_list.h"
+#include "util/u_network.h"
+#include "os/os_time.h"
+
+#include "tgsi/tgsi_parse.h"
+
+#include "rbug_context.h"
+#include "rbug_objects.h"
+
+#include "rbug/rbug.h"
+
+#include <errno.h>
+
+#define U642VOID(x) ((void *)(unsigned long)(x))
+#define VOID2U64(x) ((uint64_t)(unsigned long)(x))
+
+struct rbug_rbug
+{
+   struct rbug_screen *rb_screen;
+   struct rbug_connection *con;
+   pipe_thread thread;
+   boolean running;
+};
+
+PIPE_THREAD_ROUTINE(rbug_thread, void_rbug);
+
+
+/**********************************************************
+ * Helper functions
+ */
+
+
+static struct rbug_context *
+rbug_get_context_locked(struct rbug_screen *rb_screen, rbug_context_t ctx)
+{
+   struct rbug_context *rb_context = NULL;
+   struct rbug_list *ptr;
+
+   foreach(ptr, &rb_screen->contexts) {
+      rb_context = (struct rbug_context *)((char*)ptr - offsetof(struct rbug_context, list));
+      if (ctx == VOID2U64(rb_context))
+         break;
+      rb_context = NULL;
+   }
+
+   return rb_context;
+}
+
+static struct rbug_shader *
+rbug_get_shader_locked(struct rbug_context *rb_context, rbug_shader_t shdr)
+{
+   struct rbug_shader *tr_shdr = NULL;
+   struct rbug_list *ptr;
+
+   foreach(ptr, &rb_context->shaders) {
+      tr_shdr = (struct rbug_shader *)((char*)ptr - offsetof(struct rbug_shader, list));
+      if (shdr == VOID2U64(tr_shdr))
+         break;
+      tr_shdr = NULL;
+   }
+
+   return tr_shdr;
+}
+
+static void *
+rbug_shader_create_locked(struct pipe_context *pipe,
+                          struct rbug_shader *tr_shdr,
+                          struct tgsi_token *tokens)
+{
+   void *state = NULL;
+   struct pipe_shader_state pss = { 0 };
+   pss.tokens = tokens;
+
+#if 0
+   if (tr_shdr->type == TRACE_SHADER_FRAGMENT) {
+      state = pipe->create_fs_state(pipe, &pss);
+   } else if (tr_shdr->type == TRACE_SHADER_VERTEX) {
+      state = pipe->create_vs_state(pipe, &pss);
+   } else
+      assert(0);
+#endif
+
+   return state;
+}
+
+static void
+rbug_shader_bind_locked(struct pipe_context *pipe,
+                        struct rbug_shader *tr_shdr,
+                        void *state)
+{
+#if 0
+   if (tr_shdr->type == TRACE_SHADER_FRAGMENT) {
+      pipe->bind_fs_state(pipe, state);
+   } else if (tr_shdr->type == TRACE_SHADER_VERTEX) {
+      pipe->bind_vs_state(pipe, state);
+   } else
+      assert(0);
+#endif
+}
+
+static void
+rbug_shader_delete_locked(struct pipe_context *pipe,
+                          struct rbug_shader *tr_shdr,
+                          void *state)
+{
+#if 0
+   if (tr_shdr->type == TRACE_SHADER_FRAGMENT) {
+      pipe->delete_fs_state(pipe, state);
+   } else if (tr_shdr->type == TRACE_SHADER_VERTEX) {
+      pipe->delete_vs_state(pipe, state);
+   } else
+      assert(0);
+#endif
+}
+
+/************************************************
+ * Request handler functions
+ */
+
+
+static int
+rbug_texture_list(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_resource *tr_tex = NULL;
+   struct rbug_list *ptr;
+   rbug_texture_t *texs;
+   int i = 0;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   texs = MALLOC(rb_screen->num_resources * sizeof(rbug_texture_t));
+   foreach(ptr, &rb_screen->resources) {
+      tr_tex = (struct rbug_resource *)((char*)ptr - offsetof(struct rbug_resource, list));
+      texs[i++] = VOID2U64(tr_tex);
+   }
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   rbug_send_texture_list_reply(tr_rbug->con, serial, texs, i, NULL);
+   FREE(texs);
+
+   return 0;
+}
+
+static int
+rbug_texture_info(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_resource *tr_tex = NULL;
+   struct rbug_proto_texture_info *gpti = (struct rbug_proto_texture_info *)header;
+   struct rbug_list *ptr;
+   struct pipe_resource *t;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   foreach(ptr, &rb_screen->resources) {
+      tr_tex = (struct rbug_resource *)((char*)ptr - offsetof(struct rbug_resource, list));
+      if (gpti->texture == VOID2U64(tr_tex))
+         break;
+      tr_tex = NULL;
+   }
+
+   if (!tr_tex) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   t = tr_tex->resource;
+   rbug_send_texture_info_reply(tr_rbug->con, serial,
+                               t->target, t->format,
+                               &t->width0, 1,
+                               &t->height0, 1,
+                               &t->depth0, 1,
+                               util_format_get_blockwidth(t->format),
+                               util_format_get_blockheight(t->format),
+                               util_format_get_blocksize(t->format),
+                               t->last_level,
+                               t->nr_samples,
+                               t->bind,
+                               NULL);
+
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_texture_read(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_proto_texture_read *gptr = (struct rbug_proto_texture_read *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_resource *tr_tex = NULL;
+   struct rbug_list *ptr;
+
+   struct pipe_context *context = rb_screen->private_context;
+   struct pipe_resource *tex;
+   struct pipe_transfer *t;
+
+   void *map;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   foreach(ptr, &rb_screen->resources) {
+      tr_tex = (struct rbug_resource *)((char*)ptr - offsetof(struct rbug_resource, list));
+      if (gptr->texture == VOID2U64(tr_tex))
+         break;
+      tr_tex = NULL;
+   }
+
+   if (!tr_tex) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   tex = tr_tex->resource;
+   t = pipe_get_transfer(context, tex,
+				 gptr->face, gptr->level, gptr->zslice,
+				 PIPE_TRANSFER_READ,
+				 gptr->x, gptr->y, gptr->w, gptr->h);
+
+   map = context->transfer_map(context, t);
+
+   rbug_send_texture_read_reply(tr_rbug->con, serial,
+                                t->resource->format,
+                                util_format_get_blockwidth(t->resource->format),
+                                util_format_get_blockheight(t->resource->format),
+                                util_format_get_blocksize(t->resource->format),
+                                (uint8_t*)map,
+                                t->stride * util_format_get_nblocksy(t->resource->format,
+								     t->box.height),
+                                t->stride,
+                                NULL);
+
+   context->transfer_unmap(context, t);
+   context->transfer_destroy(context, t);
+
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_context_list(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_list *ptr;
+   struct rbug_context *rb_context = NULL;
+   rbug_context_t *ctxs;
+   int i = 0;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   ctxs = MALLOC(rb_screen->num_contexts * sizeof(rbug_context_t));
+   foreach(ptr, &rb_screen->contexts) {
+      rb_context = (struct rbug_context *)((char*)ptr - offsetof(struct rbug_context, list));
+      ctxs[i++] = VOID2U64(rb_context);
+   }
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   rbug_send_context_list_reply(tr_rbug->con, serial, ctxs, i, NULL);
+   FREE(ctxs);
+
+   return 0;
+}
+
+static int
+rbug_context_info(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_proto_context_info *info = (struct rbug_proto_context_info *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+   rbug_texture_t cbufs[PIPE_MAX_COLOR_BUFS];
+   rbug_texture_t texs[PIPE_MAX_SAMPLERS];
+   int i;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, info->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   /* protect the pipe context */
+   pipe_mutex_lock(rb_context->draw_mutex);
+   pipe_mutex_lock(rb_context->call_mutex);
+
+   for (i = 0; i < rb_context->curr.nr_cbufs; i++)
+      cbufs[i] = VOID2U64(rb_context->curr.cbufs[i]);
+
+   for (i = 0; i < rb_context->curr.num_sampler_views; i++)
+      texs[i] = VOID2U64(rb_context->curr.sampler_views[i]);
+
+   rbug_send_context_info_reply(tr_rbug->con, serial,
+                                VOID2U64(rb_context->curr.vs), VOID2U64(rb_context->curr.fs),
+                                texs, rb_context->curr.num_sampler_views,
+                                cbufs, rb_context->curr.nr_cbufs,
+                                VOID2U64(rb_context->curr.zsbuf),
+                                rb_context->draw_blocker, rb_context->draw_blocked, NULL);
+
+   pipe_mutex_unlock(rb_context->call_mutex);
+   pipe_mutex_unlock(rb_context->draw_mutex);
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_context_draw_block(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_proto_context_draw_block *block = (struct rbug_proto_context_draw_block *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, block->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   pipe_mutex_lock(rb_context->draw_mutex);
+   rb_context->draw_blocker |= block->block;
+   pipe_mutex_unlock(rb_context->draw_mutex);
+
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_context_draw_step(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_proto_context_draw_step *step = (struct rbug_proto_context_draw_step *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, step->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   pipe_mutex_lock(rb_context->draw_mutex);
+   if (rb_context->draw_blocked & RBUG_BLOCK_RULE) {
+      if (step->step & RBUG_BLOCK_RULE)
+         rb_context->draw_blocked &= ~RBUG_BLOCK_MASK;
+   } else {
+      rb_context->draw_blocked &= ~step->step;
+   }
+   pipe_mutex_unlock(rb_context->draw_mutex);
+
+#ifdef PIPE_THREAD_HAVE_CONDVAR
+   pipe_condvar_broadcast(rb_context->draw_cond);
+#endif
+
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_context_draw_unblock(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_proto_context_draw_unblock *unblock = (struct rbug_proto_context_draw_unblock *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, unblock->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   pipe_mutex_lock(rb_context->draw_mutex);
+   if (rb_context->draw_blocked & RBUG_BLOCK_RULE) {
+      if (unblock->unblock & RBUG_BLOCK_RULE)
+         rb_context->draw_blocked &= ~RBUG_BLOCK_MASK;
+   } else {
+      rb_context->draw_blocked &= ~unblock->unblock;
+   }
+   rb_context->draw_blocker &= ~unblock->unblock;
+   pipe_mutex_unlock(rb_context->draw_mutex);
+
+#ifdef PIPE_THREAD_HAVE_CONDVAR
+   pipe_condvar_broadcast(rb_context->draw_cond);
+#endif
+
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_context_draw_rule(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_proto_context_draw_rule *rule = (struct rbug_proto_context_draw_rule *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, rule->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   pipe_mutex_lock(rb_context->draw_mutex);
+   rb_context->draw_rule.vs = U642VOID(rule->vertex);
+   rb_context->draw_rule.fs = U642VOID(rule->fragment);
+   rb_context->draw_rule.sampler_view = U642VOID(rule->texture);
+   rb_context->draw_rule.surf = U642VOID(rule->surface);
+   rb_context->draw_rule.blocker = rule->block;
+   rb_context->draw_blocker |= RBUG_BLOCK_RULE;
+   pipe_mutex_unlock(rb_context->draw_mutex);
+
+#ifdef PIPE_THREAD_HAVE_CONDVAR
+   pipe_condvar_broadcast(rb_context->draw_cond);
+#endif
+
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_context_flush(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_proto_context_flush *flush = (struct rbug_proto_context_flush *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, flush->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   /* protect the pipe context */
+   pipe_mutex_lock(rb_context->call_mutex);
+
+   rb_context->pipe->flush(rb_context->pipe, flush->flags, NULL);
+
+   pipe_mutex_unlock(rb_context->call_mutex);
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_shader_list(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_proto_shader_list *list = (struct rbug_proto_shader_list *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+   struct rbug_shader *tr_shdr = NULL;
+   struct rbug_list *ptr;
+   rbug_shader_t *shdrs;
+   int i = 0;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, list->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   pipe_mutex_lock(rb_context->list_mutex);
+   shdrs = MALLOC(rb_context->num_shaders * sizeof(rbug_shader_t));
+   foreach(ptr, &rb_context->shaders) {
+      tr_shdr = (struct rbug_shader *)((char*)ptr - offsetof(struct rbug_shader, list));
+      shdrs[i++] = VOID2U64(tr_shdr);
+   }
+
+   pipe_mutex_unlock(rb_context->list_mutex);
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   rbug_send_shader_list_reply(tr_rbug->con, serial, shdrs, i, NULL);
+   FREE(shdrs);
+
+   return 0;
+}
+
+static int
+rbug_shader_info(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   struct rbug_proto_shader_info *info = (struct rbug_proto_shader_info *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+   struct rbug_shader *tr_shdr = NULL;
+   unsigned original_len;
+   unsigned replaced_len;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, info->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   pipe_mutex_lock(rb_context->list_mutex);
+
+   tr_shdr = rbug_get_shader_locked(rb_context, info->shader);
+
+   if (!tr_shdr) {
+      pipe_mutex_unlock(rb_context->list_mutex);
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   /* just in case */
+   assert(sizeof(struct tgsi_token) == 4);
+
+   original_len = tgsi_num_tokens(tr_shdr->tokens);
+   if (tr_shdr->replaced_tokens)
+      replaced_len = tgsi_num_tokens(tr_shdr->replaced_tokens);
+   else
+      replaced_len = 0;
+
+   rbug_send_shader_info_reply(tr_rbug->con, serial,
+                               (uint32_t*)tr_shdr->tokens, original_len,
+                               (uint32_t*)tr_shdr->replaced_tokens, replaced_len,
+                               tr_shdr->disabled,
+                               NULL);
+
+   pipe_mutex_unlock(rb_context->list_mutex);
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_shader_disable(struct rbug_rbug *tr_rbug, struct rbug_header *header)
+{
+   struct rbug_proto_shader_disable *dis = (struct rbug_proto_shader_disable *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+   struct rbug_shader *tr_shdr = NULL;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, dis->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   pipe_mutex_lock(rb_context->list_mutex);
+
+   tr_shdr = rbug_get_shader_locked(rb_context, dis->shader);
+
+   if (!tr_shdr) {
+      pipe_mutex_unlock(rb_context->list_mutex);
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   tr_shdr->disabled = dis->disable;
+
+   pipe_mutex_unlock(rb_context->list_mutex);
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+}
+
+static int
+rbug_shader_replace(struct rbug_rbug *tr_rbug, struct rbug_header *header)
+{
+   struct rbug_proto_shader_replace *rep = (struct rbug_proto_shader_replace *)header;
+
+   struct rbug_screen *rb_screen = tr_rbug->rb_screen;
+   struct rbug_context *rb_context = NULL;
+   struct rbug_shader *tr_shdr = NULL;
+   struct pipe_context *pipe = NULL;
+   void *state;
+
+   pipe_mutex_lock(rb_screen->list_mutex);
+   rb_context = rbug_get_context_locked(rb_screen, rep->context);
+
+   if (!rb_context) {
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   pipe_mutex_lock(rb_context->list_mutex);
+
+   tr_shdr = rbug_get_shader_locked(rb_context, rep->shader);
+
+   if (!tr_shdr) {
+      pipe_mutex_unlock(rb_context->list_mutex);
+      pipe_mutex_unlock(rb_screen->list_mutex);
+      return -ESRCH;
+   }
+
+   /* protect the pipe context */
+   pipe_mutex_lock(rb_context->call_mutex);
+
+   pipe = rb_context->pipe;
+
+   /* remove old replaced shader */
+   if (tr_shdr->replaced_shader) {
+      /* if this shader is bound rebind the original shader */
+      if (rb_context->curr.fs == tr_shdr || rb_context->curr.vs == tr_shdr)
+         rbug_shader_bind_locked(pipe, tr_shdr, tr_shdr->shader);
+
+      FREE(tr_shdr->replaced_tokens);
+      rbug_shader_delete_locked(pipe, tr_shdr, tr_shdr->replaced_shader);
+      tr_shdr->replaced_shader = NULL;
+      tr_shdr->replaced_tokens = NULL;
+   }
+
+   /* empty inputs means restore old which we did above */
+   if (rep->tokens_len == 0)
+      goto out;
+
+   tr_shdr->replaced_tokens = tgsi_dup_tokens((struct tgsi_token *)rep->tokens);
+   if (!tr_shdr->replaced_tokens)
+      goto err;
+
+   state = rbug_shader_create_locked(pipe, tr_shdr, tr_shdr->replaced_tokens);
+   if (!state)
+      goto err;
+
+   /* bind new shader if the shader is currently a bound */
+   if (rb_context->curr.fs == tr_shdr || rb_context->curr.vs == tr_shdr)
+      rbug_shader_bind_locked(pipe, tr_shdr, state);
+
+   /* save state */
+   tr_shdr->replaced_shader = state;
+
+out:
+   pipe_mutex_unlock(rb_context->call_mutex);
+   pipe_mutex_unlock(rb_context->list_mutex);
+   pipe_mutex_unlock(rb_screen->list_mutex);
+
+   return 0;
+
+err:
+   FREE(tr_shdr->replaced_tokens);
+   tr_shdr->replaced_shader = NULL;
+   tr_shdr->replaced_tokens = NULL;
+
+   pipe_mutex_unlock(rb_context->call_mutex);
+   pipe_mutex_unlock(rb_context->list_mutex);
+   pipe_mutex_unlock(rb_screen->list_mutex);
+   return -EINVAL;
+}
+
+static boolean
+rbug_header(struct rbug_rbug *tr_rbug, struct rbug_header *header, uint32_t serial)
+{
+   int ret = 0;
+
+   switch(header->opcode) {
+      case RBUG_OP_PING:
+         rbug_send_ping_reply(tr_rbug->con, serial, NULL);
+         break;
+      case RBUG_OP_TEXTURE_LIST:
+         ret = rbug_texture_list(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_TEXTURE_INFO:
+         ret = rbug_texture_info(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_TEXTURE_READ:
+         ret = rbug_texture_read(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_CONTEXT_LIST:
+         ret = rbug_context_list(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_CONTEXT_INFO:
+         ret = rbug_context_info(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_CONTEXT_DRAW_BLOCK:
+         ret = rbug_context_draw_block(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_CONTEXT_DRAW_STEP:
+         ret = rbug_context_draw_step(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_CONTEXT_DRAW_UNBLOCK:
+         ret = rbug_context_draw_unblock(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_CONTEXT_DRAW_RULE:
+         ret = rbug_context_draw_rule(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_CONTEXT_FLUSH:
+         ret = rbug_context_flush(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_SHADER_LIST:
+         ret = rbug_shader_list(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_SHADER_INFO:
+         ret = rbug_shader_info(tr_rbug, header, serial);
+         break;
+      case RBUG_OP_SHADER_DISABLE:
+         ret = rbug_shader_disable(tr_rbug, header);
+         break;
+      case RBUG_OP_SHADER_REPLACE:
+         ret = rbug_shader_replace(tr_rbug, header);
+         break;
+      default:
+         debug_printf("%s - unsupported opcode %u\n", __FUNCTION__, header->opcode);
+         ret = -ENOSYS;
+         break;
+   }
+   rbug_free_header(header);
+
+   if (ret)
+      rbug_send_error_reply(tr_rbug->con, serial, ret, NULL);
+
+   return TRUE;
+}
+
+static void
+rbug_con(struct rbug_rbug *tr_rbug)
+{
+   struct rbug_header *header;
+   uint32_t serial;
+
+   debug_printf("%s - connection received\n", __FUNCTION__);
+
+   while(tr_rbug->running) {
+      header = rbug_get_message(tr_rbug->con, &serial);
+      if (!header)
+         break;
+
+      if (!rbug_header(tr_rbug, header, serial))
+         break;
+   }
+
+   debug_printf("%s - connection closed\n", __FUNCTION__);
+
+   rbug_disconnect(tr_rbug->con);
+   tr_rbug->con = NULL;
+}
+
+PIPE_THREAD_ROUTINE(rbug_thread, void_tr_rbug)
+{
+   struct rbug_rbug *tr_rbug = void_tr_rbug;
+   uint16_t port = 13370;
+   int s = -1;
+   int c;
+
+   u_socket_init();
+
+   for (;port <= 13379 && s < 0; port++)
+      s = u_socket_listen_on_port(port);
+
+   if (s < 0) {
+      debug_printf("rbug_rbug - failed to listen\n");
+      return NULL;
+   }
+
+   u_socket_block(s, false);
+
+   debug_printf("rbug_rbug - remote debugging listening on port %u\n", --port);
+
+   while(tr_rbug->running) {
+      os_time_sleep(1);
+
+      c = u_socket_accept(s);
+      if (c < 0)
+         continue;
+
+      u_socket_block(c, true);
+      tr_rbug->con = rbug_from_socket(c);
+
+      rbug_con(tr_rbug);
+
+      u_socket_close(c);
+   }
+
+   u_socket_close(s);
+
+   u_socket_stop();
+
+   return NULL;
+}
+
+/**********************************************************
+ *
+ */
+
+struct rbug_rbug *
+rbug_start(struct rbug_screen *rb_screen)
+{
+   struct rbug_rbug *tr_rbug = CALLOC_STRUCT(rbug_rbug);
+   if (!tr_rbug)
+      return NULL;
+
+   tr_rbug->rb_screen = rb_screen;
+   tr_rbug->running = TRUE;
+   tr_rbug->thread = pipe_thread_create(rbug_thread, tr_rbug);
+
+   return tr_rbug;
+}
+
+void
+rbug_stop(struct rbug_rbug *tr_rbug)
+{
+   if (!tr_rbug)
+      return;
+
+   tr_rbug->running = false;
+   pipe_thread_wait(tr_rbug->thread);
+
+   FREE(tr_rbug);
+
+   return;
+}
+
+void
+rbug_notify_draw_blocked(struct rbug_context *rb_context)
+{
+   struct rbug_screen *rb_screen = rbug_screen(rb_context->base.screen);
+   struct rbug_rbug *tr_rbug = rb_screen->rbug;
+
+   if (tr_rbug && tr_rbug->con)
+      rbug_send_context_draw_blocked(tr_rbug->con,
+                                     VOID2U64(rb_context), rb_context->draw_blocked, NULL);
+}
diff --git a/src/gallium/drivers/rbug/rbug_objects.c b/src/gallium/drivers/rbug/rbug_objects.c
new file mode 100644
index 0000000..4f9b232
--- /dev/null
+++ b/src/gallium/drivers/rbug/rbug_objects.c
@@ -0,0 +1,195 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+#include "util/u_simple_list.h"
+
+#include "rbug_screen.h"
+#include "rbug_objects.h"
+#include "rbug_context.h"
+
+
+
+struct pipe_resource *
+rbug_resource_create(struct rbug_screen *rb_screen,
+                     struct pipe_resource *resource)
+{
+   struct rbug_resource *rb_resource;
+
+   if(!resource)
+      goto error;
+
+   assert(resource->screen == rb_screen->screen);
+
+   rb_resource = CALLOC_STRUCT(rbug_resource);
+   if(!rb_resource)
+      goto error;
+
+   memcpy(&rb_resource->base, resource, sizeof(struct pipe_resource));
+
+   pipe_reference_init(&rb_resource->base.reference, 1);
+   rb_resource->base.screen = &rb_screen->base;
+   rb_resource->resource = resource;
+
+   rbug_screen_add_to_list(rb_screen, resources, rb_resource);
+
+   return &rb_resource->base;
+
+error:
+   pipe_resource_reference(&resource, NULL);
+   return NULL;
+}
+
+void
+rbug_resource_destroy(struct rbug_resource *rb_resource)
+{
+   struct rbug_screen *rb_screen = rbug_screen(rb_resource->base.screen);
+   rbug_screen_remove_from_list(rb_screen, resources, rb_resource);
+
+   pipe_resource_reference(&rb_resource->resource, NULL);
+   FREE(rb_resource);
+}
+
+
+struct pipe_surface *
+rbug_surface_create(struct rbug_resource *rb_resource,
+                    struct pipe_surface *surface)
+{
+   struct rbug_surface *rb_surface;
+
+   if(!surface)
+      goto error;
+
+   assert(surface->texture == rb_resource->resource);
+
+   rb_surface = CALLOC_STRUCT(rbug_surface);
+   if(!rb_surface)
+      goto error;
+
+   memcpy(&rb_surface->base, surface, sizeof(struct pipe_surface));
+
+   pipe_reference_init(&rb_surface->base.reference, 1);
+   rb_surface->base.texture = NULL;
+   pipe_resource_reference(&rb_surface->base.texture, &rb_resource->base);
+   rb_surface->surface = surface;
+
+   return &rb_surface->base;
+
+error:
+   pipe_surface_reference(&surface, NULL);
+   return NULL;
+}
+
+void
+rbug_surface_destroy(struct rbug_surface *rb_surface)
+{
+   pipe_resource_reference(&rb_surface->base.texture, NULL);
+   pipe_surface_reference(&rb_surface->surface, NULL);
+   FREE(rb_surface);
+}
+
+
+struct pipe_sampler_view *
+rbug_sampler_view_create(struct rbug_context *rb_context,
+                         struct rbug_resource *rb_resource,
+                         struct pipe_sampler_view *view)
+{
+   struct rbug_sampler_view *rb_view;
+
+   if (!view)
+      goto error;
+
+   assert(view->texture == rb_resource->resource);
+
+   rb_view = MALLOC(sizeof(struct rbug_sampler_view));
+
+   rb_view->base = *view;
+   rb_view->base.reference.count = 1;
+   rb_view->base.texture = NULL;
+   pipe_resource_reference(&rb_view->base.texture, rb_resource->resource);
+   rb_view->base.context = rb_context->pipe;
+   rb_view->sampler_view = view;
+
+   return &rb_view->base;
+error:
+   return NULL;
+}
+
+void
+rbug_sampler_view_destroy(struct rbug_context *rb_context,
+                          struct rbug_sampler_view *rb_view)
+{
+   pipe_resource_reference(&rb_view->base.texture, NULL);
+   rb_context->pipe->sampler_view_destroy(rb_context->pipe,
+                                          rb_view->sampler_view);
+   FREE(rb_view);
+}
+
+
+struct pipe_transfer *
+rbug_transfer_create(struct rbug_context *rb_context,
+                     struct rbug_resource *rb_resource,
+                     struct pipe_transfer *transfer)
+{
+   struct rbug_transfer *rb_transfer;
+
+   if(!transfer)
+      goto error;
+
+   assert(transfer->resource == rb_resource->resource);
+
+   rb_transfer = CALLOC_STRUCT(rbug_transfer);
+   if(!rb_transfer)
+      goto error;
+
+   memcpy(&rb_transfer->base, transfer, sizeof(struct pipe_transfer));
+
+   rb_transfer->base.resource = NULL;
+   rb_transfer->transfer = transfer;
+   rb_transfer->pipe = rb_context->pipe;
+
+   pipe_resource_reference(&rb_transfer->base.resource, &rb_resource->base);
+   assert(rb_transfer->base.resource == &rb_resource->base);
+
+   return &rb_transfer->base;
+
+error:
+   rb_context->pipe->transfer_destroy(rb_context->pipe, transfer);
+   return NULL;
+}
+
+void
+rbug_transfer_destroy(struct rbug_context *rb_context,
+                      struct rbug_transfer *rb_transfer)
+{
+   pipe_resource_reference(&rb_transfer->base.resource, NULL);
+   rb_transfer->pipe->transfer_destroy(rb_context->pipe,
+                                       rb_transfer->transfer);
+   FREE(rb_transfer);
+}
+
diff --git a/src/gallium/drivers/rbug/rbug_objects.h b/src/gallium/drivers/rbug/rbug_objects.h
new file mode 100644
index 0000000..7f48c01
--- /dev/null
+++ b/src/gallium/drivers/rbug/rbug_objects.h
@@ -0,0 +1,209 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef RBUG_OBJECTS_H
+#define RBUG_OBJECTS_H
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_state.h"
+
+#include "rbug_screen.h"
+
+struct rbug_context;
+
+
+struct rbug_resource
+{
+   struct pipe_resource base;
+
+   struct pipe_resource *resource;
+
+   struct rbug_list list;
+};
+
+
+struct rbug_shader
+{
+   struct rbug_list list;
+
+   void *shader;
+   void *tokens;
+   void *replaced_shader;
+   void *replaced_tokens;
+
+   boolean disabled;
+};
+
+
+struct rbug_sampler_view
+{
+   struct pipe_sampler_view base;
+
+   struct pipe_sampler_view *sampler_view;
+};
+
+
+struct rbug_surface
+{
+   struct pipe_surface base;
+
+   struct pipe_surface *surface;
+};
+
+
+struct rbug_transfer
+{
+   struct pipe_transfer base;
+
+   struct pipe_context *pipe;
+   struct pipe_transfer *transfer;
+};
+
+
+static INLINE struct rbug_resource *
+rbug_resource(struct pipe_resource *_resource)
+{
+   if (!_resource)
+      return NULL;
+   (void)rbug_screen(_resource->screen);
+   return (struct rbug_resource *)_resource;
+}
+
+static INLINE struct rbug_sampler_view *
+rbug_sampler_view(struct pipe_sampler_view *_sampler_view)
+{
+   if (!_sampler_view)
+      return NULL;
+   (void)rbug_resource(_sampler_view->texture);
+   return (struct rbug_sampler_view *)_sampler_view;
+}
+
+static INLINE struct rbug_surface *
+rbug_surface(struct pipe_surface *_surface)
+{
+   if (!_surface)
+      return NULL;
+   (void)rbug_resource(_surface->texture);
+   return (struct rbug_surface *)_surface;
+}
+
+static INLINE struct rbug_transfer *
+rbug_transfer(struct pipe_transfer *_transfer)
+{
+   if (!_transfer)
+      return NULL;
+   (void)rbug_resource(_transfer->resource);
+   return (struct rbug_transfer *)_transfer;
+}
+
+static INLINE struct rbug_shader *
+rbug_shader(void *_state)
+{
+   if (!_state)
+      return NULL;
+   return (struct rbug_shader *)_state;
+}
+
+static INLINE struct pipe_resource *
+rbug_resource_unwrap(struct pipe_resource *_resource)
+{
+   if (!_resource)
+      return NULL;
+   return rbug_resource(_resource)->resource;
+}
+
+static INLINE struct pipe_sampler_view *
+rbug_sampler_view_unwrap(struct pipe_sampler_view *_sampler_view)
+{
+   if (!_sampler_view)
+      return NULL;
+   return rbug_sampler_view(_sampler_view)->sampler_view;
+}
+
+static INLINE struct pipe_surface *
+rbug_surface_unwrap(struct pipe_surface *_surface)
+{
+   if (!_surface)
+      return NULL;
+   return rbug_surface(_surface)->surface;
+}
+
+static INLINE struct pipe_transfer *
+rbug_transfer_unwrap(struct pipe_transfer *_transfer)
+{
+   if (!_transfer)
+      return NULL;
+   return rbug_transfer(_transfer)->transfer;
+}
+
+static INLINE void *
+rbug_shader_unwrap(void *_state)
+{
+   struct rbug_shader *shader;
+   if (!_state)
+      return NULL;
+
+   shader = rbug_shader(_state);
+   return shader->replaced_shader ? shader->replaced_shader : shader->shader;
+}
+
+
+struct pipe_resource *
+rbug_resource_create(struct rbug_screen *rb_screen,
+                     struct pipe_resource *resource);
+
+void
+rbug_resource_destroy(struct rbug_resource *rb_resource);
+
+struct pipe_surface *
+rbug_surface_create(struct rbug_resource *rb_resource,
+                    struct pipe_surface *surface);
+
+void
+rbug_surface_destroy(struct rbug_surface *rb_surface);
+
+struct pipe_sampler_view *
+rbug_sampler_view_create(struct rbug_context *rb_context,
+                         struct rbug_resource *rb_resource,
+                         struct pipe_sampler_view *view);
+
+void
+rbug_sampler_view_destroy(struct rbug_context *rb_context,
+                          struct rbug_sampler_view *rb_sampler_view);
+
+struct pipe_transfer *
+rbug_transfer_create(struct rbug_context *rb_context,
+                     struct rbug_resource *rb_resource,
+                     struct pipe_transfer *transfer);
+
+void
+rbug_transfer_destroy(struct rbug_context *rb_context,
+                      struct rbug_transfer *rb_transfer);
+
+
+#endif /* RBUG_OBJECTS_H */
diff --git a/src/gallium/drivers/rbug/rbug_public.h b/src/gallium/drivers/rbug/rbug_public.h
new file mode 100644
index 0000000..f3cb19a
--- /dev/null
+++ b/src/gallium/drivers/rbug/rbug_public.h
@@ -0,0 +1,37 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef RBUG_PUBLIC_H
+#define RBUG_PUBLIC_H
+
+struct pipe_screen;
+struct pipe_context;
+
+struct pipe_screen *
+rbug_screen_create(struct pipe_screen *screen);
+
+#endif /* RBUG_PUBLIC_H */
diff --git a/src/gallium/drivers/rbug/rbug_screen.c b/src/gallium/drivers/rbug/rbug_screen.c
new file mode 100644
index 0000000..acdb1f6
--- /dev/null
+++ b/src/gallium/drivers/rbug/rbug_screen.c
@@ -0,0 +1,345 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "pipe/p_screen.h"
+#include "pipe/p_state.h"
+#include "util/u_memory.h"
+#include "util/u_debug.h"
+#include "util/u_simple_list.h"
+
+#include "rbug_public.h"
+#include "rbug_screen.h"
+#include "rbug_context.h"
+#include "rbug_objects.h"
+
+DEBUG_GET_ONCE_BOOL_OPTION(rbug, "GALLIUM_RBUG", FALSE);
+
+static void
+rbug_screen_destroy(struct pipe_screen *_screen)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+
+   screen->destroy(screen);
+
+   FREE(rb_screen);
+}
+
+static const char *
+rbug_screen_get_name(struct pipe_screen *_screen)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+
+   return screen->get_name(screen);
+}
+
+static const char *
+rbug_screen_get_vendor(struct pipe_screen *_screen)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+
+   return screen->get_vendor(screen);
+}
+
+static int
+rbug_screen_get_param(struct pipe_screen *_screen,
+                      enum pipe_cap param)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+
+   return screen->get_param(screen,
+                            param);
+}
+
+static float
+rbug_screen_get_paramf(struct pipe_screen *_screen,
+                       enum pipe_cap param)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+
+   return screen->get_paramf(screen,
+                             param);
+}
+
+static boolean
+rbug_screen_is_format_supported(struct pipe_screen *_screen,
+                                enum pipe_format format,
+                                enum pipe_texture_target target,
+                                unsigned tex_usage,
+                                unsigned geom_flags)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+
+   return screen->is_format_supported(screen,
+                                      format,
+                                      target,
+                                      tex_usage,
+                                      geom_flags);
+}
+
+static struct pipe_context *
+rbug_screen_context_create(struct pipe_screen *_screen,
+                           void *priv)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+   struct pipe_context *result;
+
+   result = screen->context_create(screen, priv);
+   if (result)
+      return rbug_context_create(_screen, result);
+   return NULL;
+}
+
+static struct pipe_resource *
+rbug_screen_resource_create(struct pipe_screen *_screen,
+                            const struct pipe_resource *templat)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+   struct pipe_resource *result;
+
+   result = screen->resource_create(screen,
+                                    templat);
+
+   if (result)
+      return rbug_resource_create(rb_screen, result);
+   return NULL;
+}
+
+static struct pipe_resource *
+rbug_screen_resource_from_handle(struct pipe_screen *_screen,
+                                 const struct pipe_resource *templ,
+                                 struct winsys_handle *handle)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+   struct pipe_resource *result;
+
+   result = screen->resource_from_handle(screen, templ, handle);
+
+   result = rbug_resource_create(rbug_screen(_screen), result);
+
+   return result;
+}
+
+static boolean
+rbug_screen_resource_get_handle(struct pipe_screen *_screen,
+                                struct pipe_resource *_resource,
+                                struct winsys_handle *handle)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct rbug_resource *rb_resource = rbug_resource(_resource);
+   struct pipe_screen *screen = rb_screen->screen;
+   struct pipe_resource *resource = rb_resource->resource;
+
+   return screen->resource_get_handle(screen, resource, handle);
+}
+
+
+
+static void
+rbug_screen_resource_destroy(struct pipe_screen *screen,
+                             struct pipe_resource *_resource)
+{
+   rbug_resource_destroy(rbug_resource(_resource));
+}
+
+static struct pipe_surface *
+rbug_screen_get_tex_surface(struct pipe_screen *_screen,
+                            struct pipe_resource *_resource,
+                            unsigned face,
+                            unsigned level,
+                            unsigned zslice,
+                            unsigned usage)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct rbug_resource *rb_resource = rbug_resource(_resource);
+   struct pipe_screen *screen = rb_screen->screen;
+   struct pipe_resource *resource = rb_resource->resource;
+   struct pipe_surface *result;
+
+   result = screen->get_tex_surface(screen,
+                                    resource,
+                                    face,
+                                    level,
+                                    zslice,
+                                    usage);
+
+   if (result)
+      return rbug_surface_create(rb_resource, result);
+   return NULL;
+}
+
+static void
+rbug_screen_tex_surface_destroy(struct pipe_surface *_surface)
+{
+   rbug_surface_destroy(rbug_surface(_surface));
+}
+
+
+
+static struct pipe_resource *
+rbug_screen_user_buffer_create(struct pipe_screen *_screen,
+                               void *ptr,
+                               unsigned bytes,
+                               unsigned usage)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+   struct pipe_resource *result;
+
+   result = screen->user_buffer_create(screen,
+                                       ptr,
+                                       bytes,
+                                       usage);
+
+   if (result)
+      return rbug_resource_create(rb_screen, result);
+   return NULL;
+}
+
+
+
+static void
+rbug_screen_flush_frontbuffer(struct pipe_screen *_screen,
+                              struct pipe_surface *_surface,
+                              void *context_private)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct rbug_surface *rb_surface = rbug_surface(_surface);
+   struct pipe_screen *screen = rb_screen->screen;
+   struct pipe_surface *surface = rb_surface->surface;
+
+   screen->flush_frontbuffer(screen,
+                             surface,
+                             context_private);
+}
+
+static void
+rbug_screen_fence_reference(struct pipe_screen *_screen,
+                            struct pipe_fence_handle **ptr,
+                            struct pipe_fence_handle *fence)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+
+   screen->fence_reference(screen,
+                           ptr,
+                           fence);
+}
+
+static int
+rbug_screen_fence_signalled(struct pipe_screen *_screen,
+                            struct pipe_fence_handle *fence,
+                            unsigned flags)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+
+   return screen->fence_signalled(screen,
+                                  fence,
+                                  flags);
+}
+
+static int
+rbug_screen_fence_finish(struct pipe_screen *_screen,
+                         struct pipe_fence_handle *fence,
+                         unsigned flags)
+{
+   struct rbug_screen *rb_screen = rbug_screen(_screen);
+   struct pipe_screen *screen = rb_screen->screen;
+
+   return screen->fence_finish(screen,
+                               fence,
+                               flags);
+}
+
+struct pipe_screen *
+rbug_screen_create(struct pipe_screen *screen)
+{
+   struct rbug_screen *rb_screen;
+
+   if (!debug_get_option_rbug())
+      return screen;
+
+   rb_screen = CALLOC_STRUCT(rbug_screen);
+   if (!rb_screen)
+      return screen;
+
+   pipe_mutex_init(rb_screen->list_mutex);
+   make_empty_list(&rb_screen->contexts);
+   make_empty_list(&rb_screen->resources);
+   make_empty_list(&rb_screen->surfaces);
+   make_empty_list(&rb_screen->transfers);
+
+   rb_screen->base.winsys = NULL;
+
+   rb_screen->base.destroy = rbug_screen_destroy;
+   rb_screen->base.get_name = rbug_screen_get_name;
+   rb_screen->base.get_vendor = rbug_screen_get_vendor;
+   rb_screen->base.get_param = rbug_screen_get_param;
+   rb_screen->base.get_paramf = rbug_screen_get_paramf;
+   rb_screen->base.is_format_supported = rbug_screen_is_format_supported;
+   rb_screen->base.context_create = rbug_screen_context_create;
+   rb_screen->base.resource_create = rbug_screen_resource_create;
+   rb_screen->base.resource_from_handle = rbug_screen_resource_from_handle;
+   rb_screen->base.resource_get_handle = rbug_screen_resource_get_handle;
+   rb_screen->base.resource_destroy = rbug_screen_resource_destroy;
+   rb_screen->base.get_tex_surface = rbug_screen_get_tex_surface;
+   rb_screen->base.tex_surface_destroy = rbug_screen_tex_surface_destroy;
+   rb_screen->base.user_buffer_create = rbug_screen_user_buffer_create;
+   rb_screen->base.flush_frontbuffer = rbug_screen_flush_frontbuffer;
+   rb_screen->base.fence_reference = rbug_screen_fence_reference;
+   rb_screen->base.fence_signalled = rbug_screen_fence_signalled;
+   rb_screen->base.fence_finish = rbug_screen_fence_finish;
+
+   rb_screen->screen = screen;
+
+   rb_screen->private_context = screen->context_create(screen, NULL);
+   if (!rb_screen->private_context)
+      goto err_free;
+
+   rb_screen->rbug = rbug_start(rb_screen);
+
+   if (!rb_screen->rbug)
+      goto err_context;
+
+   return &rb_screen->base;
+
+err_context:
+   rb_screen->private_context->destroy(rb_screen->private_context);
+err_free:
+   FREE(rb_screen);
+   return screen;
+}
diff --git a/src/gallium/drivers/rbug/rbug_screen.h b/src/gallium/drivers/rbug/rbug_screen.h
new file mode 100644
index 0000000..a53afac
--- /dev/null
+++ b/src/gallium/drivers/rbug/rbug_screen.h
@@ -0,0 +1,100 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef RBUG_SCREEN_H
+#define RBUG_SCREEN_H
+
+#include "pipe/p_screen.h"
+#include "pipe/p_defines.h"
+
+#include "os/os_thread.h"
+
+struct rbug_list {
+   struct rbug_list *next;
+   struct rbug_list *prev;
+};
+
+
+struct rbug_screen
+{
+   struct pipe_screen base;
+
+   struct pipe_screen *screen;
+   struct pipe_context *private_context;
+
+   /* remote debugger */
+   struct rbug_rbug *rbug;
+
+   pipe_mutex list_mutex;
+   int num_contexts;
+   int num_resources;
+   int num_surfaces;
+   int num_transfers;
+   struct rbug_list contexts;
+   struct rbug_list resources;
+   struct rbug_list surfaces;
+   struct rbug_list transfers;
+};
+
+static INLINE struct rbug_screen *
+rbug_screen(struct pipe_screen *screen)
+{
+   return (struct rbug_screen *)screen;
+}
+
+#define rbug_screen_add_to_list(scr, name, obj) \
+   do {                                          \
+      pipe_mutex_lock(scr->list_mutex);          \
+      insert_at_head(&scr->name, &obj->list);    \
+      scr->num_##name++;                         \
+      pipe_mutex_unlock(scr->list_mutex);        \
+   } while (0)
+
+#define rbug_screen_remove_from_list(scr, name, obj) \
+   do {                                               \
+      pipe_mutex_lock(scr->list_mutex);               \
+      remove_from_list(&obj->list);                   \
+      scr->num_##name--;                              \
+      pipe_mutex_unlock(scr->list_mutex);             \
+   } while (0)
+
+
+
+/**********************************************************
+ * rbug_core.c
+ */
+
+struct rbug_rbug;
+
+struct rbug_rbug *
+rbug_start(struct rbug_screen *rb_screen);
+
+void
+rbug_stop(struct rbug_rbug *rbug);
+
+
+#endif /* RBUG_SCREEN_H */