Merge branch 'radeon-rewrite' of git+ssh://agd5f@git.freedesktop.org/git/mesa/mesa into r6xx-rewrite

79 files changed, 2845 insertions, 382 deletions

diff --git a/src/gallium/state_trackers/python/README b/src/gallium/state_trackers/python/README
index 8f45fb6d1b..e03d546830 100644
--- a/src/gallium/state_trackers/python/README
+++ b/src/gallium/state_trackers/python/README
@@ -6,16 +6,27 @@ the python script perspective.
 To build you'll need:
 * Python (with development packages)
 * SCons
-* SWIG
-* Python Imaging Library with TK support (for the samples)
+* SWIG, http://www.swig.org/download.html
+* Python Imaging Library with TK support, http://www.pythonware.com/products/pil/, 
+  for the samples
+
+On a debian-based distro you can simply do:
+
+  aptitude install python-dev scons swig python-imaging python-imaging-tk
+
+On a Windows machine ensure the swig command is in your PATH.
 
 Invoke scons on the top dir as
  
- scons statetrackers=python
+  scons debug=yes statetrackers=python drivers=softpipe,trace winsys=none
+
+To use it set PYTHONPATH appropriately, e.g, in Linux do:
+
+  export PYTHONPATH=$PWD/build/linux-x86-debug/gallium/state_trackers/python
 
-To use do
+or (in Windows)
 
- export PYTHONPATH=build/XXXX-XXXX-XXXX/gallium/state_trackers/python
+  set PYTHONPATH=%CD%\build\windows-x86-debug\gallium\state_trackers\python
 
 and then try running
 
@@ -27,7 +38,6 @@ which should show a triangle.
 This is still work in progress:
 - errors are not handled properly and almost always result in crash
 - state atoms with array members are awkward to set
-- there no efficient way to view images
 
 --
-Jose Fonseca <jrfonseca@tungstengraphics.com>
+Jose Fonseca <jfonseca@vmware.com>
diff --git a/src/gallium/state_trackers/python/gallium.i b/src/gallium/state_trackers/python/gallium.i
index 79e68de1df..3f79cc1a3d 100644
--- a/src/gallium/state_trackers/python/gallium.i
+++ b/src/gallium/state_trackers/python/gallium.i
@@ -37,13 +37,11 @@
 %{
 
 #include <stdio.h>
-#include <Python.h>
 
 #include "pipe/p_screen.h"
 #include "pipe/p_context.h"
 #include "pipe/p_inlines.h"
 #include "pipe/p_shader_tokens.h"
-#include "pipe/internal/p_winsys_screen.h"
 #include "cso_cache/cso_context.h"
 #include "util/u_draw_quad.h"
 #include "util/u_tile.h"
@@ -58,7 +56,7 @@
 %}
 
 %include "typemaps.i"
-
+%include "exception.i"
 %include "cstring.i"
 
 %include "carrays.i"
@@ -71,8 +69,8 @@
 %rename(Device) st_device;
 %rename(Context) st_context;
 %rename(Texture) pipe_texture;
-%rename(Surface) pipe_surface;
-%rename(Buffer) st_buffer;
+%rename(Surface) st_surface;
+%rename(Buffer) pipe_buffer;
 
 %rename(BlendColor) pipe_blend_color;
 %rename(Blend) pipe_blend_state;
diff --git a/src/gallium/state_trackers/python/p_context.i b/src/gallium/state_trackers/python/p_context.i
index 1fdbdf98b2..a40aa1e518 100644
--- a/src/gallium/state_trackers/python/p_context.i
+++ b/src/gallium/state_trackers/python/p_context.i
@@ -116,15 +116,17 @@ struct st_context {
    }
 
    void set_constant_buffer(unsigned shader, unsigned index,
-                            struct st_buffer *buffer ) 
+                            struct pipe_buffer *buffer ) 
    {
       struct pipe_constant_buffer state;
       memset(&state, 0, sizeof(state));
-      state.buffer = buffer ? buffer->buffer : NULL;
+      state.buffer = buffer;
       $self->pipe->set_constant_buffer($self->pipe, shader, index, &state);
    }
 
-   void set_framebuffer(const struct pipe_framebuffer_state *state ) {
+   void set_framebuffer(const struct pipe_framebuffer_state *state ) 
+   {
+      memcpy(&$self->framebuffer, state, sizeof *state);
       cso_set_framebuffer($self->cso, state);
    }
 
@@ -151,19 +153,19 @@ struct st_context {
    }
 
    void set_vertex_buffer(unsigned index,
-                          unsigned pitch, 
+                          unsigned stride, 
                           unsigned max_index,
                           unsigned buffer_offset,
-                          struct st_buffer *buffer)
+                          struct pipe_buffer *buffer)
    {
       unsigned i;
       struct pipe_vertex_buffer state;
       
       memset(&state, 0, sizeof(state));
-      state.stride = pitch;
+      state.stride = stride;
       state.max_index = max_index;
       state.buffer_offset = buffer_offset;
-      state.buffer = buffer ? buffer->buffer : NULL;
+      state.buffer = buffer;
 
       memcpy(&$self->vertex_buffers[index], &state, sizeof(state));
       
@@ -198,22 +200,22 @@ struct st_context {
       $self->pipe->draw_arrays($self->pipe, mode, start, count);
    }
 
-   void draw_elements( struct st_buffer *indexBuffer,
+   void draw_elements( struct pipe_buffer *indexBuffer,
                        unsigned indexSize,
                        unsigned mode, unsigned start, unsigned count) 
    {
       $self->pipe->draw_elements($self->pipe, 
-                                 indexBuffer->buffer, 
+                                 indexBuffer, 
                                  indexSize, 
                                  mode, start, count);
    }
 
-   void draw_range_elements( struct st_buffer *indexBuffer,
+   void draw_range_elements( struct pipe_buffer *indexBuffer,
                              unsigned indexSize, unsigned minIndex, unsigned maxIndex,
                              unsigned mode, unsigned start, unsigned count)
    {
       $self->pipe->draw_range_elements($self->pipe, 
-                                       indexBuffer->buffer, 
+                                       indexBuffer, 
                                        indexSize, minIndex, maxIndex,
                                        mode, start, count);
    }
@@ -256,32 +258,62 @@ error1:
    flush(unsigned flags = 0) {
       struct pipe_fence_handle *fence = NULL; 
       $self->pipe->flush($self->pipe, flags | PIPE_FLUSH_RENDER_CACHE, &fence);
-      /* TODO: allow asynchronous operation */ 
-      $self->pipe->winsys->fence_finish( $self->pipe->winsys, fence, 0 );
-      $self->pipe->winsys->fence_reference( $self->pipe->winsys, &fence, NULL );
+      if(fence) {
+         /* TODO: allow asynchronous operation */ 
+         $self->pipe->screen->fence_finish( $self->pipe->screen, fence, 0 );
+         $self->pipe->screen->fence_reference( $self->pipe->screen, &fence, NULL );
+      }
    }
 
    /*
     * Surface functions
     */
    
-   void surface_copy(struct pipe_surface *dest,
+   void surface_copy(struct st_surface *dst,
                      unsigned destx, unsigned desty,
-                     struct pipe_surface *src,
+                     struct st_surface *src,
                      unsigned srcx, unsigned srcy,
-                     unsigned width, unsigned height) {
-      $self->pipe->surface_copy($self->pipe, dest, destx, desty, src, srcx, srcy, width, height);
+                     unsigned width, unsigned height) 
+   {
+      struct pipe_surface *_dst = NULL;
+      struct pipe_surface *_src = NULL;
+      
+      _dst = st_pipe_surface(dst, PIPE_BUFFER_USAGE_GPU_WRITE);
+      if(!_dst)
+         SWIG_exception(SWIG_ValueError, "couldn't acquire destination surface for writing");
+
+      _src = st_pipe_surface(src, PIPE_BUFFER_USAGE_GPU_READ);
+      if(!_src)
+         SWIG_exception(SWIG_ValueError, "couldn't acquire source surface for reading");
+      
+      $self->pipe->surface_copy($self->pipe, _dst, destx, desty, _src, srcx, srcy, width, height);
+      
+   fail:
+      pipe_surface_reference(&_src, NULL);
+      pipe_surface_reference(&_dst, NULL);
    }
 
-   void surface_fill(struct pipe_surface *dst,
+   void surface_fill(struct st_surface *dst,
                      unsigned x, unsigned y,
                      unsigned width, unsigned height,
-                     unsigned value) {
-      $self->pipe->surface_fill($self->pipe, dst, x, y, width, height, value);
+                     unsigned value) 
+   {
+      struct pipe_surface *_dst = NULL;
+      
+      _dst = st_pipe_surface(dst, PIPE_BUFFER_USAGE_GPU_WRITE);
+      if(!_dst)
+         SWIG_exception(SWIG_ValueError, "couldn't acquire destination surface for writing");
+
+      $self->pipe->surface_fill($self->pipe, _dst, x, y, width, height, value);
+      
+   fail:
+      pipe_surface_reference(&_dst, NULL);
    }
 
-   void surface_clear(struct pipe_surface *surface, unsigned value = 0) {
-      $self->pipe->clear($self->pipe, surface, value);
+   void clear(unsigned buffers, const float *rgba, double depth = 0.0f,
+              unsigned stencil = 0)
+   {
+      $self->pipe->clear($self->pipe, buffers, rgba, depth, stencil);
    }
 
 };
diff --git a/src/gallium/state_trackers/python/p_device.i b/src/gallium/state_trackers/python/p_device.i
index 84fd2e4349..f16fe5b0ff 100644
--- a/src/gallium/state_trackers/python/p_device.i
+++ b/src/gallium/state_trackers/python/p_device.i
@@ -122,9 +122,9 @@ struct st_device {
       return $self->screen->texture_create($self->screen, &templat);
    }
    
-   struct st_buffer *
+   struct pipe_buffer *
    buffer_create(unsigned size, unsigned alignment = 0, unsigned usage = 0) {
-      return st_buffer_create($self, alignment, usage, size);
+      return pipe_buffer_create($self->screen, alignment, usage, size);
    }
 
 };
diff --git a/src/gallium/state_trackers/python/p_state.i b/src/gallium/state_trackers/python/p_state.i
index 110b3d5da4..90f157e0ab 100644
--- a/src/gallium/state_trackers/python/p_state.i
+++ b/src/gallium/state_trackers/python/p_state.i
@@ -59,13 +59,40 @@
    }
    
    void
-   set_cbuf(unsigned index, struct pipe_surface *surface) {
-      pipe_surface_reference(&$self->cbufs[index], surface);
+   set_cbuf(unsigned index, struct st_surface *surface) 
+   {
+      struct pipe_surface *_surface = NULL;
+
+      if(index >= PIPE_MAX_COLOR_BUFS)
+         SWIG_exception(SWIG_ValueError, "index out of bounds");
+      
+      if(surface) {
+         _surface = st_pipe_surface(surface, PIPE_BUFFER_USAGE_GPU_WRITE);
+         if(!_surface)
+            SWIG_exception(SWIG_ValueError, "couldn't acquire surface for writing");
+      }
+
+      pipe_surface_reference(&$self->cbufs[index], _surface);
+      
+   fail:
+      return;
    }
    
    void
-   set_zsbuf(struct pipe_surface *surface) {
-      pipe_surface_reference(&$self->zsbuf, surface);
+   set_zsbuf(struct st_surface *surface) 
+   {
+      struct pipe_surface *_surface = NULL;
+
+      if(surface) {
+         _surface = st_pipe_surface(surface, PIPE_BUFFER_USAGE_GPU_WRITE);
+         if(!_surface)
+            SWIG_exception(SWIG_ValueError, "couldn't acquire surface for writing");
+      }
+
+      pipe_surface_reference(&$self->zsbuf, _surface);
+
+   fail:
+      return;
    }
    
 };
diff --git a/src/gallium/state_trackers/python/p_texture.i b/src/gallium/state_trackers/python/p_texture.i
index 1e64fc8e41..f41a95e6eb 100644
--- a/src/gallium/state_trackers/python/p_texture.i
+++ b/src/gallium/state_trackers/python/p_texture.i
@@ -34,18 +34,19 @@
 
 
 %nodefaultctor pipe_texture;
-%nodefaultctor pipe_surface;
-%nodefaultctor st_buffer;
+%nodefaultctor st_surface;
+%nodefaultctor pipe_buffer;
 
 %nodefaultdtor pipe_texture;
-%nodefaultdtor pipe_surface;
-%nodefaultdtor st_buffer;
+%nodefaultdtor st_surface;
+%nodefaultdtor pipe_buffer;
 
 %ignore pipe_texture::screen;
 
-%ignore pipe_surface::winsys;
-%immutable pipe_surface::texture;
-%immutable pipe_surface::buffer;
+%immutable st_surface::texture;
+%immutable st_surface::face;
+%immutable st_surface::level;
+%immutable st_surface::zslice;
 
 %newobject pipe_texture::get_surface;
 
@@ -78,54 +79,160 @@
    }
    
    /** Get a surface which is a "view" into a texture */
-   struct pipe_surface *
-   get_surface(unsigned face=0, unsigned level=0, unsigned zslice=0, unsigned usage=0 )
+   struct st_surface *
+   get_surface(unsigned face=0, unsigned level=0, unsigned zslice=0)
    {
-      struct pipe_screen *screen = $self->screen;
-      return screen->get_tex_surface(screen, $self, face, level, zslice, usage);
+      struct st_surface *surface;
+      
+      if(face >= ($self->target == PIPE_TEXTURE_CUBE ? 6U : 1U))
+         SWIG_exception(SWIG_ValueError, "face out of bounds");
+      if(level > $self->last_level)
+         SWIG_exception(SWIG_ValueError, "level out of bounds");
+      if(zslice >= $self->depth[level])
+         SWIG_exception(SWIG_ValueError, "zslice out of bounds");
+      
+      surface = CALLOC_STRUCT(st_surface);
+      if(!surface)
+         return NULL;
+      
+      pipe_texture_reference(&surface->texture, $self);
+      surface->face = face;
+      surface->level = level;
+      surface->zslice = zslice;
+      
+      return surface;
+
+   fail:
+      return NULL;
    }
    
 };
 
+struct st_surface
+{
+   %immutable;
+   
+   struct pipe_texture *texture;
+   unsigned face;
+   unsigned level;
+   unsigned zslice;
+   
+};
 
-%extend pipe_surface {
+%extend st_surface {
+   
+   %immutable;
    
-   ~pipe_surface() {
-      struct pipe_surface *ptr = $self;
-      pipe_surface_reference(&ptr, NULL);
+   unsigned format;
+   unsigned width;
+   unsigned height;
+   unsigned nblocksx;
+   unsigned nblocksy;
+   
+   ~st_surface() {
+      pipe_texture_reference(&$self->texture, NULL);
+      FREE($self);
    }
    
-   // gets mapped to pipe_surface_map automatically
-   void * map( unsigned flags );
+   %cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1));
+   void get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, char **STRING, int *LENGTH)
+   {
+      struct pipe_texture *texture = $self->texture;
+      struct pipe_screen *screen = texture->screen;
+      struct pipe_transfer *transfer;
+      unsigned stride;
 
-   // gets mapped to pipe_surface_unmap automatically
-   void unmap( void );
+      stride = pf_get_nblocksx(&texture->block, w) * texture->block.size;
+      *LENGTH = pf_get_nblocksy(&texture->block, h) * stride;
+      *STRING = (char *) malloc(*LENGTH);
+      if(!*STRING)
+         return;
 
-   void
-   get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, char *raw, unsigned stride) {
-      pipe_get_tile_raw($self, x, y, w, h, raw, stride);
+      transfer = screen->get_tex_transfer(screen,
+                                          $self->texture,
+                                          $self->face,
+                                          $self->level,
+                                          $self->zslice,
+                                          PIPE_TRANSFER_READ,
+                                          x, y, w, h);
+      if(transfer) {
+         pipe_get_tile_raw(transfer, 0, 0, w, h, *STRING, stride);
+         screen->tex_transfer_destroy(transfer);
+      }
    }
 
-   void
-   put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const char *raw, unsigned stride) {
-      pipe_put_tile_raw($self, x, y, w, h, raw, stride);
+   %cstring_input_binary(const char *STRING, unsigned LENGTH);
+   void put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const char *STRING, unsigned LENGTH, unsigned stride = 0)
+   {
+      struct pipe_texture *texture = $self->texture;
+      struct pipe_screen *screen = texture->screen;
+      struct pipe_transfer *transfer;
+     
+      if(stride == 0)
+         stride = pf_get_nblocksx(&texture->block, w) * texture->block.size;
+      
+      if(LENGTH < pf_get_nblocksy(&texture->block, h) * stride)
+         SWIG_exception(SWIG_ValueError, "offset must be smaller than buffer size");
+         
+      transfer = screen->get_tex_transfer(screen,
+                                          $self->texture,
+                                          $self->face,
+                                          $self->level,
+                                          $self->zslice,
+                                          PIPE_TRANSFER_WRITE,
+                                          x, y, w, h);
+      if(!transfer)
+         SWIG_exception(SWIG_MemoryError, "couldn't initiate transfer");
+         
+      pipe_put_tile_raw(transfer, 0, 0, w, h, STRING, stride);
+      screen->tex_transfer_destroy(transfer);
+
+   fail:
+      return;
    }
 
    void
-   get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *rgba) {
-      pipe_get_tile_rgba($self, x, y, w, h, rgba);
+   get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *rgba) 
+   {
+      struct pipe_screen *screen = $self->texture->screen;
+      struct pipe_transfer *transfer;
+      transfer = screen->get_tex_transfer(screen,
+                                          $self->texture,
+                                          $self->face,
+                                          $self->level,
+                                          $self->zslice,
+                                          PIPE_TRANSFER_READ,
+                                          x, y, w, h);
+      if(transfer) {
+         pipe_get_tile_rgba(transfer, 0, 0, w, h, rgba);
+         screen->tex_transfer_destroy(transfer);
+      }
    }
 
    void
-   put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba) {
-      pipe_put_tile_rgba($self, x, y, w, h, rgba);
+   put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba)
+   {
+      struct pipe_screen *screen = $self->texture->screen;
+      struct pipe_transfer *transfer;
+      transfer = screen->get_tex_transfer(screen,
+                                          $self->texture,
+                                          $self->face,
+                                          $self->level,
+                                          $self->zslice,
+                                          PIPE_TRANSFER_WRITE,
+                                          x, y, w, h);
+      if(transfer) {
+         pipe_put_tile_rgba(transfer, 0, 0, w, h, rgba);
+         screen->tex_transfer_destroy(transfer);
+      }
    }
 
    %cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1));
    void
    get_tile_rgba8(unsigned x, unsigned y, unsigned w, unsigned h, char **STRING, int *LENGTH) 
    {
-      unsigned surface_usage;
+      struct pipe_screen *screen = $self->texture->screen;
+      struct pipe_transfer *transfer;
       float *rgba;
       unsigned char *rgba8;
       unsigned i, j, k;
@@ -141,38 +248,67 @@
       if(!*STRING)
          return;
       
-      rgba = malloc(w*4*sizeof(float));
+      rgba = malloc(h*w*4*sizeof(float));
       if(!rgba)
          return;
       
       rgba8 = (unsigned char *) *STRING;
 
-      /* XXX: force mappable surface */
-      surface_usage = $self->usage;
-      $self->usage |= PIPE_BUFFER_USAGE_CPU_READ;
-
-      for(j = 0; j < h; ++j) {
-         pipe_get_tile_rgba($self,
-                            x, y + j, w, 1,
-                            rgba);
-         for(i = 0; i < w; ++i)
-            for(k = 0; k <4; ++k)
-               rgba8[j*w*4 + i*4 + k] = float_to_ubyte(rgba[i*4 + k]);
+      transfer = screen->get_tex_transfer(screen,
+                                          $self->texture,
+                                          $self->face,
+                                          $self->level,
+                                          $self->zslice,
+                                          PIPE_TRANSFER_READ,
+                                          x, y,
+                                          w, h);
+      if(transfer) {
+         pipe_get_tile_rgba(transfer, 0, 0, w, h, rgba);
+         for(j = 0; j < h; ++j) {
+            for(i = 0; i < w; ++i)
+               for(k = 0; k <4; ++k)
+                  rgba8[j*w*4 + i*4 + k] = float_to_ubyte(rgba[j*w*4 + i*4 + k]);
+         }
+         screen->tex_transfer_destroy(transfer);
       }
       
-      $self->usage = surface_usage;
-      
       free(rgba);
    }
 
    void
-   get_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, unsigned *z) {
-      pipe_get_tile_z($self, x, y, w, h, z);
+   get_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, unsigned *z)
+   {
+      struct pipe_screen *screen = $self->texture->screen;
+      struct pipe_transfer *transfer;
+      transfer = screen->get_tex_transfer(screen,
+                                          $self->texture,
+                                          $self->face,
+                                          $self->level,
+                                          $self->zslice,
+                                          PIPE_TRANSFER_READ,
+                                          x, y, w, h);
+      if(transfer) {
+         pipe_get_tile_z(transfer, 0, 0, w, h, z);
+         screen->tex_transfer_destroy(transfer);
+      }
    }
 
    void
-   put_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned *z) {
-      pipe_put_tile_z($self, x, y, w, h, z);
+   put_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned *z)
+   {
+      struct pipe_screen *screen = $self->texture->screen;
+      struct pipe_transfer *transfer;
+      transfer = screen->get_tex_transfer(screen,
+                                          $self->texture,
+                                          $self->face,
+                                          $self->level,
+                                          $self->zslice,
+                                          PIPE_TRANSFER_WRITE,
+                                          x, y, w, h);
+      if(transfer) {
+         pipe_put_tile_z(transfer, 0, 0, w, h, z);
+         screen->tex_transfer_destroy(transfer);
+      }
    }
    
    void
@@ -183,6 +319,8 @@
    unsigned
    compare_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba, float tol = 0.0) 
    {
+      struct pipe_screen *screen = $self->texture->screen;
+      struct pipe_transfer *transfer;
       float *rgba2;
       const float *p1;
       const float *p2;
@@ -192,7 +330,20 @@
       if(!rgba2)
          return ~0;
 
-      pipe_get_tile_rgba($self, x, y, w, h, rgba2);
+      transfer = screen->get_tex_transfer(screen,
+                                          $self->texture,
+                                          $self->face,
+                                          $self->level,
+                                          $self->zslice,
+                                          PIPE_TRANSFER_READ,
+                                          x, y, w, h);
+      if(!transfer) {
+         FREE(rgba2);
+         return ~0;
+      }
+
+      pipe_get_tile_rgba(transfer, 0, 0, w, h, rgba2);
+      screen->tex_transfer_destroy(transfer);
 
       p1 = rgba;
       p2 = rgba2;
@@ -214,63 +365,86 @@
 
 };
 
-struct st_buffer {
-};
+%{
+   static enum pipe_format
+   st_surface_format_get(struct st_surface *surface)
+   {
+      return surface->texture->format;
+   }
+   
+   static unsigned
+   st_surface_width_get(struct st_surface *surface)
+   {
+      return surface->texture->width[surface->level];
+   }
+   
+   static unsigned
+   st_surface_height_get(struct st_surface *surface)
+   {
+      return surface->texture->height[surface->level];
+   }
+
+   static unsigned
+   st_surface_nblocksx_get(struct st_surface *surface)
+   {
+      return surface->texture->nblocksx[surface->level];
+   }
+   
+   static unsigned
+   st_surface_nblocksy_get(struct st_surface *surface)
+   {
+      return surface->texture->nblocksy[surface->level];
+   }
+%}
+
+/* Avoid naming conflict with p_inlines.h's pipe_buffer_read/write */ 
+%rename(read) read_; 
+%rename(write) write_; 
 
-%extend st_buffer {
+%extend pipe_buffer {
    
-   ~st_buffer() {
-      st_buffer_destroy($self);
+   ~pipe_buffer() {
+      struct pipe_buffer *ptr = $self;
+      pipe_buffer_reference(&ptr, NULL);
    }
    
    unsigned __len__(void) 
    {
-      assert(p_atomic_read(&$self->buffer->reference.count) > 0);
-      return $self->buffer->size;
+      assert(p_atomic_read(&$self->reference.count) > 0);
+      return $self->size;
    }
    
    %cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1));
-   void read(char **STRING, int *LENGTH)
+   void read_(char **STRING, int *LENGTH)
    {
-      struct pipe_screen *screen = $self->st_dev->screen;
-      const char *map;
+      struct pipe_screen *screen = $self->screen;
       
-      assert(p_atomic_read(&$self->buffer->reference.count) > 0);
+      assert(p_atomic_read(&$self->reference.count) > 0);
       
-      *LENGTH = $self->buffer->size;
-      *STRING = (char *) malloc($self->buffer->size);
+      *LENGTH = $self->size;
+      *STRING = (char *) malloc($self->size);
       if(!*STRING)
          return;
       
-      map = pipe_buffer_map(screen, $self->buffer, PIPE_BUFFER_USAGE_CPU_READ);
-      if(map) {
-         memcpy(*STRING, map, $self->buffer->size);
-         pipe_buffer_unmap(screen, $self->buffer);
-      }
+      pipe_buffer_read(screen, $self, 0, $self->size, STRING);
    }
    
    %cstring_input_binary(const char *STRING, unsigned LENGTH);
-   void write(const char *STRING, unsigned LENGTH, unsigned offset = 0) 
+   void write_(const char *STRING, unsigned LENGTH, unsigned offset = 0) 
    {
-      struct pipe_screen *screen = $self->st_dev->screen;
-      char *map;
+      struct pipe_screen *screen = $self->screen;
       
-      assert(p_atomic_read(&$self->buffer->reference.count) > 0);
+      assert(p_atomic_read(&$self->reference.count) > 0);
       
-      if(offset > $self->buffer->size) {
-         PyErr_SetString(PyExc_ValueError, "offset must be smaller than buffer size");
-         return;
-      }
+      if(offset > $self->size)
+         SWIG_exception(SWIG_ValueError, "offset must be smaller than buffer size");
 
-      if(offset + LENGTH > $self->buffer->size) {
-         PyErr_SetString(PyExc_ValueError, "data length must fit inside the buffer");
-         return;
-      }
+      if(offset + LENGTH > $self->size)
+         SWIG_exception(SWIG_ValueError, "data length must fit inside the buffer");
 
-      map = pipe_buffer_map(screen, $self->buffer, PIPE_BUFFER_USAGE_CPU_WRITE);
-      if(map) {
-         memcpy(map + offset, STRING, LENGTH);
-         pipe_buffer_unmap(screen, $self->buffer);
-      }
+      pipe_buffer_write(screen, $self, offset, LENGTH, STRING);
+
+fail:
+      return;
    }
 };
diff --git a/src/gallium/state_trackers/python/retrace/format.py b/src/gallium/state_trackers/python/retrace/format.py
index 0bf6baf0b9..a4285bfe07 100755
--- a/src/gallium/state_trackers/python/retrace/format.py
+++ b/src/gallium/state_trackers/python/retrace/format.py
@@ -27,6 +27,9 @@
 ##########################################################################
 
 
+import sys
+
+
 class Formatter:
     '''Plain formatter'''
 
@@ -91,10 +94,80 @@ class AnsiFormatter(Formatter):
         self._escape(self._normal)
 
 
+class WindowsConsoleFormatter(Formatter):
+    '''Formatter for the Windows Console. See 
+    http://code.activestate.com/recipes/496901/ for more information.
+    '''
+
+    STD_INPUT_HANDLE  = -10
+    STD_OUTPUT_HANDLE = -11
+    STD_ERROR_HANDLE  = -12
+
+    FOREGROUND_BLUE      = 0x01
+    FOREGROUND_GREEN     = 0x02
+    FOREGROUND_RED       = 0x04
+    FOREGROUND_INTENSITY = 0x08
+    BACKGROUND_BLUE      = 0x10
+    BACKGROUND_GREEN     = 0x20
+    BACKGROUND_RED       = 0x40
+    BACKGROUND_INTENSITY = 0x80
+
+    _normal = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED
+    _bold = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY
+    _italic = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED
+    _red = FOREGROUND_RED | FOREGROUND_INTENSITY
+    _green = FOREGROUND_GREEN | FOREGROUND_INTENSITY
+    _blue = FOREGROUND_BLUE | FOREGROUND_INTENSITY
+
+    def __init__(self, stream):
+        Formatter.__init__(self, stream)
+
+        if stream is sys.stdin:
+            nStdHandle = self.STD_INPUT_HANDLE
+        elif stream is sys.stdout:
+            nStdHandle = self.STD_OUTPUT_HANDLE
+        elif stream is sys.stderr:
+            nStdHandle = self.STD_ERROR_HANDLE
+        else:
+            nStdHandle = None
+
+        if nStdHandle:
+            import ctypes
+            self.handle = ctypes.windll.kernel32.GetStdHandle(nStdHandle)
+        else:
+            self.handle = None
+
+    def _attribute(self, attr):
+        if self.handle:
+            import ctypes
+            ctypes.windll.kernel32.SetConsoleTextAttribute(self.handle, attr)
+
+    def function(self, name):
+        self._attribute(self._bold)
+        Formatter.function(self, name)
+        self._attribute(self._normal)
+
+    def variable(self, name):
+        self._attribute(self._italic)
+        Formatter.variable(self, name)
+        self._attribute(self._normal)
+
+    def literal(self, value):
+        self._attribute(self._blue)
+        Formatter.literal(self, value)
+        self._attribute(self._normal)
+
+    def address(self, value):
+        self._attribute(self._green)
+        Formatter.address(self, value)
+        self._attribute(self._normal)
+
 
 def DefaultFormatter(stream):
-    if stream.isatty():
+    if sys.platform in ('linux2', 'cygwin'):
         return AnsiFormatter(stream)
+    elif sys.platform in ('win32',):
+        return WindowsConsoleFormatter(stream)
     else:
         return Formatter(stream)
 
diff --git a/src/gallium/state_trackers/python/retrace/interpreter.py b/src/gallium/state_trackers/python/retrace/interpreter.py
index e6999a2211..5ea07724a5 100755
--- a/src/gallium/state_trackers/python/retrace/interpreter.py
+++ b/src/gallium/state_trackers/python/retrace/interpreter.py
@@ -54,14 +54,14 @@ def save_image(filename, surface):
     outimage = make_image(surface)
     outimage.save(filename, "PNG")
 
-def show_image(surface):
+def show_image(surface, title):
     outimage = make_image(surface)
     
     import Tkinter as tk
     from PIL import Image, ImageTk
     root = tk.Tk()
     
-    root.title('background image')
+    root.title(title)
     
     image1 = ImageTk.PhotoImage(outimage)
     w = image1.width()
@@ -75,9 +75,6 @@ def show_image(surface):
     root.mainloop()
 
 
-verbose = 1
-
-
 class Struct:
     """C-like struct"""
 
@@ -184,8 +181,12 @@ class Global(Object):
     def pipe_winsys_create(self):
         return Winsys(self.interpreter, gallium.Device())
 
-    def pipe_screen_create(self, winsys):
-        return Screen(self.interpreter, winsys.real)
+    def pipe_screen_create(self, winsys=None):
+        if winsys is None:
+            real = gallium.Device()
+        else:
+            real = winsys.real
+        return Screen(self.interpreter, real)
     
     def pipe_context_create(self, screen):
         context = screen.real.context_create()
@@ -237,6 +238,16 @@ class Winsys(Object):
         pass
 
 
+class Transfer:
+
+    def __init__(self, surface, x, y, w, h):
+        self.surface = surface
+        self.x = x
+        self.y = y
+        self.w = w
+        self.h = h
+
+
 class Screen(Object):
     
     def destroy(self):
@@ -257,15 +268,15 @@ class Screen(Object):
     def is_format_supported(self, format, target, tex_usage, geom_flags):
         return self.real.is_format_supported(format, target, tex_usage, geom_flags)
     
-    def texture_create(self, template):
+    def texture_create(self, templat):
         return self.real.texture_create(
-            format = template.format,
-            width = template.width[0],
-            height = template.height[0],
-            depth = template.depth[0],
-            last_level = template.last_level,
-            target = template.target,
-            tex_usage = template.tex_usage,
+            format = templat.format,
+            width = templat.width[0],
+            height = templat.height[0],
+            depth = templat.depth[0],
+            last_level = templat.last_level,
+            target = templat.target,
+            tex_usage = templat.tex_usage,
         )
 
     def texture_destroy(self, texture):
@@ -275,7 +286,9 @@ class Screen(Object):
         pass
 
     def get_tex_surface(self, texture, face, level, zslice, usage):
-        return texture.get_surface(face, level, zslice, usage)
+        if texture is None:
+            return None
+        return texture.get_surface(face, level, zslice)
     
     def tex_surface_destroy(self, surface):
         self.interpreter.unregister_object(surface)
@@ -284,9 +297,53 @@ class Screen(Object):
         pass
 
     def surface_write(self, surface, data, stride, size):
+        if surface is None:
+            return
         assert surface.nblocksy * stride == size 
         surface.put_tile_raw(0, 0, surface.width, surface.height, data, stride)
 
+    def get_tex_transfer(self, texture, face, level, zslice, usage, x, y, w, h):
+        if texture is None:
+            return None
+        return Transfer(texture.get_surface(face, level, zslice), x, y, w, h)
+    
+    def tex_transfer_destroy(self, transfer):
+        self.interpreter.unregister_object(transfer)
+
+    def transfer_write(self, transfer, stride, data, size):
+        if transfer is None:
+            return
+        transfer.surface.put_tile_raw(transfer.x, transfer.y, transfer.w, transfer.h, data, stride)
+
+    def user_buffer_create(self, data, size):
+        # We don't really care to distinguish between user and regular buffers
+        buffer = self.real.buffer_create(size, 
+                                         4, 
+                                         gallium.PIPE_BUFFER_USAGE_CPU_READ |
+                                         gallium.PIPE_BUFFER_USAGE_CPU_WRITE )
+        assert size == len(data)
+        buffer.write(data)
+        return buffer
+    
+    def buffer_create(self, alignment, usage, size):
+        return self.real.buffer_create(size, alignment, usage)
+    
+    def buffer_destroy(self, buffer):
+        pass
+    
+    def buffer_write(self, buffer, data, size, offset=0):
+        assert size == len(data)
+        buffer.write(data)
+        
+    def fence_finish(self, fence, flags):
+        pass
+    
+    def fence_reference(self, dst, src):
+        pass
+    
+    def flush_frontbuffer(self, surface):
+        pass
+
 
 class Context(Object):
     
@@ -317,8 +374,8 @@ class Context(Object):
     def delete_sampler_state(self, state):
         pass
 
-    def bind_sampler_states(self, n, states):
-        for i in range(n):
+    def bind_sampler_states(self, num_states, states):
+        for i in range(num_states):
             self.real.set_sampler(i, states[i])
         
     def create_rasterizer_state(self, state):
@@ -375,7 +432,7 @@ class Context(Object):
         self.real.set_clip(_state)
 
     def dump_constant_buffer(self, buffer):
-        if verbose < 2:
+        if not self.interpreter.verbosity(2):
             return
 
         data = buffer.read()
@@ -386,17 +443,17 @@ class Context(Object):
             sys.stdout.write('\tCONST[%2u] = {%10.4f, %10.4f, %10.4f, %10.4f}\n' % (index, x, y, z, w))
             index += 1
 
-    def set_constant_buffer(self, shader, index, state):
-        if state is not None:
-            self.real.set_constant_buffer(shader, index, state.buffer)
+    def set_constant_buffer(self, shader, index, buffer):
+        if buffer is not None:
+            self.real.set_constant_buffer(shader, index, buffer.buffer)
 
-            self.dump_constant_buffer(state.buffer)
+            self.dump_constant_buffer(buffer.buffer)
 
     def set_framebuffer_state(self, state):
         _state = gallium.Framebuffer()
         _state.width = state.width
         _state.height = state.height
-        _state.num_cbufs = state.num_cbufs
+        _state.nr_cbufs = state.nr_cbufs
         for i in range(len(state.cbufs)):
             _state.set_cbuf(i, state.cbufs[i])
         _state.set_zsbuf(state.zsbuf)    
@@ -414,34 +471,34 @@ class Context(Object):
     def set_viewport_state(self, state):
         self.real.set_viewport(state)
 
-    def set_sampler_textures(self, n, textures):
-        for i in range(n):
+    def set_sampler_textures(self, num_textures, textures):
+        for i in range(num_textures):
             self.real.set_sampler_texture(i, textures[i])
 
-    def set_vertex_buffers(self, n, vbufs):
-        self.vbufs = vbufs[0:n]
-        for i in range(n):
-            vbuf = vbufs[i]
+    def set_vertex_buffers(self, num_buffers, buffers):
+        self.vbufs = buffers[0:num_buffers]
+        for i in range(num_buffers):
+            vbuf = buffers[i]
             self.real.set_vertex_buffer(
                 i,
-                pitch = vbuf.pitch,
+                stride = vbuf.stride,
                 max_index = vbuf.max_index,
                 buffer_offset = vbuf.buffer_offset,
                 buffer = vbuf.buffer,
             )
 
-    def set_vertex_elements(self, n, elements):
-        self.velems = elements[0:n]
-        for i in range(n):
+    def set_vertex_elements(self, num_elements, elements):
+        self.velems = elements[0:num_elements]
+        for i in range(num_elements):
             self.real.set_vertex_element(i, elements[i])
-        self.real.set_vertex_elements(n)
+        self.real.set_vertex_elements(num_elements)
 
     def set_edgeflags(self, bitfield):
         # FIXME
         pass
     
     def dump_vertices(self, start, count):
-        if verbose < 2:
+        if not self.interpreter.verbosity(2):
             return
 
         for index in range(start, start + count):
@@ -452,7 +509,7 @@ class Context(Object):
             for velem in self.velems:
                 vbuf = self.vbufs[velem.vertex_buffer_index]
 
-                offset = vbuf.buffer_offset + velem.src_offset + vbuf.pitch*index
+                offset = vbuf.buffer_offset + velem.src_offset + vbuf.stride*index
                 format = {
                     gallium.PIPE_FORMAT_R32_FLOAT: 'f',
                     gallium.PIPE_FORMAT_R32G32_FLOAT: '2f',
@@ -468,7 +525,7 @@ class Context(Object):
             sys.stdout.write('\t},\n')
 
     def dump_indices(self, ibuf, isize, start, count):
-        if verbose < 2:
+        if not self.interpreter.verbosity(2):
             return
 
         format = {
@@ -500,45 +557,51 @@ class Context(Object):
         self.dump_vertices(start, count)
             
         self.real.draw_arrays(mode, start, count)
-
-        self.dirty = True
+        self._set_dirty()
     
     def draw_elements(self, indexBuffer, indexSize, mode, start, count):
-        if verbose >= 2:
+        if self.interpreter.verbosity(2):
             minindex, maxindex = self.dump_indices(indexBuffer, indexSize, start, count)
             self.dump_vertices(minindex, maxindex - minindex)
 
         self.real.draw_elements(indexBuffer, indexSize, mode, start, count)
-
-        self.dirty = True
+        self._set_dirty()
         
     def draw_range_elements(self, indexBuffer, indexSize, minIndex, maxIndex, mode, start, count):
-        if verbose >= 2:
+        if self.interpreter.verbosity(2):
             minindex, maxindex = self.dump_indices(indexBuffer, indexSize, start, count)
             minindex = min(minindex, minIndex)
             maxindex = min(maxindex, maxIndex)
             self.dump_vertices(minindex, maxindex - minindex)
 
         self.real.draw_range_elements(indexBuffer, indexSize, minIndex, maxIndex, mode, start, count)
-
-        self.dirty = True
+        self._set_dirty()
         
+    def _set_dirty(self):
+        if self.interpreter.options.step:
+            self._present()
+        else:
+            self.dirty = True
+
     def flush(self, flags):
         self.real.flush(flags)
         if self.dirty:
             if flags & gallium.PIPE_FLUSH_FRAME:
-                self._update()
+                self._present()
             self.dirty = False
         return None
 
-    def clear(self, surface, value):
-        self.real.surface_clear(surface, value)
+    def clear(self, buffers, rgba, depth, stencil):
+        _rgba = gallium.FloatArray(4)
+        for i in range(4):
+            _rgba[i] = rgba[i]
+        self.real.clear(buffers, _rgba, depth, stencil)
         
-    def _update(self):
+    def _present(self):
         self.real.flush()
     
         if self.cbufs and self.cbufs[0]:
-            show_image(self.cbufs[0])
+            self.interpreter.present(self.cbufs[0], "cbuf")
     
 
 class Interpreter(parser.TraceDumper):
@@ -549,11 +612,13 @@ class Interpreter(parser.TraceDumper):
             ('pipe_screen', 'get_paramf'),
     ))
 
-    def __init__(self, stream):
+    def __init__(self, stream, options):
         parser.TraceDumper.__init__(self, stream)
+        self.options = options
         self.objects = {}
         self.result = None
         self.globl = Global(self, None)
+        self.call_no = None
 
     def register_object(self, address, object):
         self.objects[address] = object
@@ -570,31 +635,70 @@ class Interpreter(parser.TraceDumper):
             self.interpret_call(call)
 
     def handle_call(self, call):
+        if self.options.stop and call.no >= self.options.stop:
+            sys.exit(0)
 
         if (call.klass, call.method) in self.ignore_calls:
             return
 
-        if verbose >= 1:
+        self.call_no = call.no
+
+        if self.verbosity(1):
             parser.TraceDumper.handle_call(self, call)
         
-        args = [self.interpret_arg(arg) for name, arg in call.args] 
+        args = [(str(name), self.interpret_arg(arg)) for name, arg in call.args] 
         
         if call.klass:
-            obj = args[0]
+            name, obj = args[0]
             args = args[1:]
         else:
             obj = self.globl
             
         method = getattr(obj, call.method)
-        ret = method(*args)
+        ret = method(**dict(args))
         
         if call.ret and isinstance(call.ret, model.Pointer):
+            if ret is None:
+                sys.stderr.write('warning: NULL returned\n')
             self.register_object(call.ret.address, ret)
 
+        self.call_no = None
+
     def interpret_arg(self, node):
         translator = Translator(self)
         return translator.visit(node)
+
+    def verbosity(self, level):
+        return self.options.verbosity >= level
+
+    def present(self, surface, description):
+        if self.call_no < self.options.start:
+            return
+
+        if self.options.images:
+            filename = '%s_%04u.png' % (description, self.call_no)
+            save_image(filename, surface)
+        else:
+            title = '%u. %s' % (self.call_no, description)
+            show_image(surface, title)
     
 
+class Main(parser.Main):
+
+    def get_optparser(self):
+        optparser = parser.Main.get_optparser(self)
+        optparser.add_option("-q", "--quiet", action="store_const", const=0, dest="verbosity", help="no messages")
+        optparser.add_option("-v", "--verbose", action="count", dest="verbosity", default=1, help="increase verbosity level")
+        optparser.add_option("-i", "--images", action="store_true", dest="images", default=False, help="save images instead of showing them")
+        optparser.add_option("-s", "--step", action="store_true", dest="step", default=False, help="step trhough every draw")
+        optparser.add_option("-f", "--from", action="store", type="int", dest="start", default=0, help="from call no")
+        optparser.add_option("-t", "--to", action="store", type="int", dest="stop", default=0, help="until call no")
+        return optparser
+
+    def process_arg(self, stream, options):
+        parser = Interpreter(stream, options)
+        parser.parse()
+
+
 if __name__ == '__main__':
-    parser.main(Interpreter)
+    Main().main()
diff --git a/src/gallium/state_trackers/python/retrace/model.py b/src/gallium/state_trackers/python/retrace/model.py
index ae0f4327d7..d4a079fb1e 100755
--- a/src/gallium/state_trackers/python/retrace/model.py
+++ b/src/gallium/state_trackers/python/retrace/model.py
@@ -101,7 +101,8 @@ class Pointer(Node):
 
 class Call:
     
-    def __init__(self, klass, method, args, ret):
+    def __init__(self, no, klass, method, args, ret):
+        self.no = no
         self.klass = klass
         self.method = method
         self.args = args
@@ -187,6 +188,7 @@ class PrettyPrinter:
         self.formatter.address(node.address)
     
     def visit_call(self, node):
+        self.formatter.text('%s ' % node.no)
         if node.klass is not None:
             self.formatter.function(node.klass + '::' + node.method)
         else:
diff --git a/src/gallium/state_trackers/python/retrace/parser.py b/src/gallium/state_trackers/python/retrace/parser.py
index 5205f2d8dd..b0f3e8a432 100755
--- a/src/gallium/state_trackers/python/retrace/parser.py
+++ b/src/gallium/state_trackers/python/retrace/parser.py
@@ -30,6 +30,7 @@
 import sys
 import xml.parsers.expat
 import binascii
+import optparse
 
 from model import *
 
@@ -189,6 +190,10 @@ class XmlParser:
 
 class TraceParser(XmlParser):
 
+    def __init__(self, fp):
+        XmlParser.__init__(self, fp)
+        self.last_call_no = 0
+    
     def parse(self):
         self.element_start('trace')
         while self.token.type not in (ELEMENT_END, EOF):
@@ -199,6 +204,13 @@ class TraceParser(XmlParser):
 
     def parse_call(self):
         attrs = self.element_start('call')
+        try:
+            no = int(attrs['no'])
+        except KeyError:
+            self.last_call_no += 1
+            no = self.last_call_no
+        else:
+            self.last_call_no = no
         klass = attrs['class']
         method = attrs['method']
         args = []
@@ -216,7 +228,7 @@ class TraceParser(XmlParser):
                 raise TokenMismatch("<arg ...> or <ret ...>", self.token)
         self.element_end('call')
         
-        return Call(klass, method, args, ret)
+        return Call(no, klass, method, args, ret)
 
     def parse_arg(self):
         attrs = self.element_start('arg')
@@ -342,16 +354,39 @@ class TraceDumper(TraceParser):
         self.formatter.newline()
         
 
-def main(ParserFactory):
-    for arg in sys.argv[1:]:
-        if arg.endswith('.gz'):
-            import gzip
-            stream = gzip.GzipFile(arg, 'rt')
+class Main:
+    '''Common main class for all retrace command line utilities.''' 
+
+    def __init__(self):
+        pass
+
+    def main(self):
+        optparser = self.get_optparser()
+        (options, args) = optparser.parse_args(sys.argv[1:])
+    
+        if args:
+            for arg in args:
+                if arg.endswith('.gz'):
+                    from gzip import GzipFile
+                    stream = GzipFile(arg, 'rt')
+                elif arg.endswith('.bz2'):
+                    from bz2 import BZ2File
+                    stream = BZ2File(arg, 'rt')
+                else:
+                    stream = open(arg, 'rt')
+                self.process_arg(stream, options)
         else:
-            stream = open(arg, 'rt')
-        parser = ParserFactory(stream)
+            self.process_arg(stream, options)
+
+    def get_optparser(self):
+        optparser = optparse.OptionParser(
+            usage="\n\t%prog [options] [traces] ...")
+        return optparser
+
+    def process_arg(self, stream, options):
+        parser = TraceDumper(stream)
         parser.parse()
 
 
 if __name__ == '__main__':
-    main(TraceDumper)
+    Main().main()
diff --git a/src/gallium/state_trackers/python/samples/tri.py b/src/gallium/state_trackers/python/samples/tri.py
index d3ccb6c2f4..4b9659861d 100644
--- a/src/gallium/state_trackers/python/samples/tri.py
+++ b/src/gallium/state_trackers/python/samples/tri.py
@@ -67,6 +67,8 @@ def test(dev):
 
     width = 255
     height = 255
+    minz = 0.0
+    maxz = 1.0
 
     # disabled blending/masking
     blend = Blend()
@@ -77,31 +79,32 @@ def test(dev):
     blend.colormask = PIPE_MASK_RGBA
     ctx.set_blend(blend)
 
-    # no-op depth/stencil/alpha
+    # depth/stencil/alpha
     depth_stencil_alpha = DepthStencilAlpha()
+    depth_stencil_alpha.depth.enabled = 1
+    depth_stencil_alpha.depth.writemask = 1
+    depth_stencil_alpha.depth.func = PIPE_FUNC_LESS
     ctx.set_depth_stencil_alpha(depth_stencil_alpha)
 
     # rasterizer
     rasterizer = Rasterizer()
     rasterizer.front_winding = PIPE_WINDING_CW
     rasterizer.cull_mode = PIPE_WINDING_NONE
-    rasterizer.bypass_clipping = 1
     rasterizer.scissor = 1
-    #rasterizer.bypass_vs = 1
     ctx.set_rasterizer(rasterizer)
 
-    # viewport (identity, we setup vertices in wincoords)
+    # viewport
     viewport = Viewport()
     scale = FloatArray(4)
-    scale[0] = 1.0
-    scale[1] = 1.0
-    scale[2] = 1.0
+    scale[0] = width / 2.0
+    scale[1] = -height / 2.0
+    scale[2] = (maxz - minz) / 2.0
     scale[3] = 1.0
     viewport.scale = scale
     translate = FloatArray(4)
-    translate[0] = 0.0
-    translate[1] = 0.0
-    translate[2] = 0.0
+    translate[0] = width / 2.0
+    translate[1] = height / 2.0
+    translate[2] = (maxz - minz) / 2.0
     translate[3] = 0.0
     viewport.translate = translate
     ctx.set_viewport(viewport)
@@ -134,17 +137,25 @@ def test(dev):
         PIPE_FORMAT_X8R8G8B8_UNORM, 
         width, height,
         tex_usage=PIPE_TEXTURE_USAGE_DISPLAY_TARGET,
-    )
-    _cbuf = cbuf.get_surface(usage = PIPE_BUFFER_USAGE_GPU_READ|PIPE_BUFFER_USAGE_GPU_WRITE)
+    ).get_surface()
+    zbuf = dev.texture_create(
+        PIPE_FORMAT_Z32_UNORM, 
+        width, height,
+        tex_usage=PIPE_TEXTURE_USAGE_DEPTH_STENCIL,
+    ).get_surface()
     fb = Framebuffer()
     fb.width = width
     fb.height = height
-    fb.num_cbufs = 1
-    fb.set_cbuf(0, _cbuf)
+    fb.nr_cbufs = 1
+    fb.set_cbuf(0, cbuf)
+    fb.set_zsbuf(zbuf)
     ctx.set_framebuffer(fb)
-    _cbuf.clear_value = 0x00000000
-    ctx.surface_clear(_cbuf, _cbuf.clear_value)
-    del _cbuf
+    rgba = FloatArray(4);
+    rgba[0] = 0.0
+    rgba[1] = 0.0
+    rgba[2] = 0.0
+    rgba[3] = 0.0
+    ctx.clear(PIPE_CLEAR_COLOR | PIPE_CLEAR_DEPTHSTENCIL, rgba, 1.0, 0xff)
     
     # vertex shader
     vs = Shader('''
@@ -173,25 +184,25 @@ def test(dev):
     nattrs = 2
     verts = FloatArray(nverts * nattrs * 4)
 
-    verts[ 0] = 128.0 # x1
-    verts[ 1] =  32.0 # y1
-    verts[ 2] =   0.0 # z1
+    verts[ 0] =   0.0 # x1
+    verts[ 1] =   0.8 # y1
+    verts[ 2] =   0.2 # z1
     verts[ 3] =   1.0 # w1
     verts[ 4] =   1.0 # r1
     verts[ 5] =   0.0 # g1
     verts[ 6] =   0.0 # b1
     verts[ 7] =   1.0 # a1
-    verts[ 8] =  32.0 # x2
-    verts[ 9] = 224.0 # y2
-    verts[10] =   0.0 # z2
+    verts[ 8] =  -0.8 # x2
+    verts[ 9] =  -0.8 # y2
+    verts[10] =   0.5 # z2
     verts[11] =   1.0 # w2
     verts[12] =   0.0 # r2
     verts[13] =   1.0 # g2
     verts[14] =   0.0 # b2
     verts[15] =   1.0 # a2
-    verts[16] = 224.0 # x3
-    verts[17] = 224.0 # y3
-    verts[18] =   0.0 # z3
+    verts[16] =   0.8 # x3
+    verts[17] =  -0.8 # y3
+    verts[18] =   0.8 # z3
     verts[19] =   1.0 # w3
     verts[20] =   0.0 # r3
     verts[21] =   0.0 # g3
@@ -205,8 +216,10 @@ def test(dev):
 
     ctx.flush()
     
-    show_image(cbuf.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ|PIPE_BUFFER_USAGE_CPU_WRITE))
-    #save_image('tri.png', cbuf.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ|PIPE_BUFFER_USAGE_CPU_WRITE))
+    show_image(cbuf)
+    #show_image(zbuf)
+    #save_image('cbuf.png', cbuf)
+    #save_image('zbuf.png', zbuf)
 
 
 
diff --git a/src/gallium/state_trackers/python/st_device.c b/src/gallium/state_trackers/python/st_device.c
index 366d4eb19a..8246b378ce 100644
--- a/src/gallium/state_trackers/python/st_device.c
+++ b/src/gallium/state_trackers/python/st_device.c
@@ -192,10 +192,16 @@ st_context_create(struct st_device *st_dev)
       memset(&rasterizer, 0, sizeof(rasterizer));
       rasterizer.front_winding = PIPE_WINDING_CW;
       rasterizer.cull_mode = PIPE_WINDING_NONE;
-      rasterizer.bypass_vs_clip_and_viewport = 1;
       cso_set_rasterizer(st_ctx->cso, &rasterizer);
    }
 
+   /* clip */
+   {
+      struct pipe_clip_state clip;
+      memset(&clip, 0, sizeof(clip));
+      st_ctx->pipe->set_clip_state(st_ctx->pipe, &clip);
+   }
+
    /* identity viewport */
    {
       struct pipe_viewport_state viewport;
@@ -291,37 +297,3 @@ st_context_create(struct st_device *st_dev)
 
    return st_ctx;
 }
-
-
-void
-st_buffer_destroy(struct st_buffer *st_buf)
-{
-   if(st_buf) {
-      pipe_buffer_reference(&st_buf->buffer, NULL);
-      FREE(st_buf);
-   }
-}
-
-
-struct st_buffer *
-st_buffer_create(struct st_device *st_dev,
-                 unsigned alignment, unsigned usage, unsigned size)
-{
-   struct pipe_screen *screen = st_dev->screen;
-   struct st_buffer *st_buf;
-   
-   st_buf = CALLOC_STRUCT(st_buffer);
-   if(!st_buf)
-      return NULL;
-
-   st_buf->st_dev = st_dev;
-   
-   st_buf->buffer = pipe_buffer_create(screen, alignment, usage, size);
-   if(!st_buf->buffer) {
-      st_buffer_destroy(st_buf);
-      return NULL;
-   }
-   
-   return st_buf;
-}
-
diff --git a/src/gallium/state_trackers/python/st_device.h b/src/gallium/state_trackers/python/st_device.h
index 0641aff149..a246b6a1f2 100644
--- a/src/gallium/state_trackers/python/st_device.h
+++ b/src/gallium/state_trackers/python/st_device.h
@@ -38,10 +38,12 @@ struct pipe_context;
 struct st_winsys; 
 
 
-struct st_buffer {
-   struct st_device *st_dev;
-   
-   struct pipe_buffer *buffer;
+struct st_surface
+{
+   struct pipe_texture *texture;
+   unsigned face;
+   unsigned level;
+   unsigned zslice;
 };
 
 
@@ -64,6 +66,8 @@ struct st_context {
    
    unsigned num_vertex_elements;
    struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS];
+   
+   struct pipe_framebuffer_state framebuffer;
 };
 
 
@@ -78,12 +82,13 @@ struct st_device {
 };
 
 
-struct st_buffer *
-st_buffer_create(struct st_device *st_dev,
-                 unsigned alignment, unsigned usage, unsigned size);
-
-void
-st_buffer_destroy(struct st_buffer *st_buf);
+static INLINE struct pipe_surface *
+st_pipe_surface(struct st_surface *surface, unsigned usage) 
+{
+   struct pipe_texture *texture = surface->texture;
+   struct pipe_screen *screen = texture->screen;
+   return screen->get_tex_surface(screen, texture, surface->face, surface->level, surface->zslice, usage);
+}
 
 struct st_context *
 st_context_create(struct st_device *st_dev);
diff --git a/src/gallium/state_trackers/python/st_sample.c b/src/gallium/state_trackers/python/st_sample.c
index c2ffe9fce1..53a01891e1 100644
--- a/src/gallium/state_trackers/python/st_sample.c
+++ b/src/gallium/state_trackers/python/st_sample.c
@@ -34,6 +34,7 @@
 #include "util/u_math.h"
 #include "util/u_memory.h"
 
+#include "st_device.h"
 #include "st_sample.h"
 
 
@@ -523,10 +524,13 @@ st_sample_pixel_block(enum pipe_format format,
 
 
 void
-st_sample_surface(struct pipe_surface *surface, float *rgba) 
+st_sample_surface(struct st_surface *surface, float *rgba) 
 {
-   struct pipe_screen *screen = surface->texture->screen;
-   uint rgba_stride = surface->width * 4;
+   struct pipe_texture *texture = surface->texture;
+   struct pipe_screen *screen = texture->screen;
+   unsigned width = texture->width[surface->level];
+   unsigned height = texture->height[surface->level];
+   uint rgba_stride = width * 4;
    struct pipe_transfer *transfer;
    void *raw;
 
@@ -535,27 +539,27 @@ st_sample_surface(struct pipe_surface *surface, float *rgba)
                                        surface->face,
                                        surface->level,
                                        surface->zslice,
-                                       PIPE_TRANSFER_READ,
+                                       PIPE_TRANSFER_WRITE,
                                        0, 0,
-                                       surface->width,
-                                       surface->height);
+                                       width,
+                                       height);
    if (!transfer)
       return;
 
    raw = screen->transfer_map(screen, transfer);
    if (raw) {
-      const struct pipe_format_block *block = &transfer->block;
+      const struct pipe_format_block *block = &texture->block;
       uint x, y;
 
       for (y = 0; y < transfer->nblocksy; ++y) {
          for (x = 0; x < transfer->nblocksx; ++x) {
-            st_sample_pixel_block(surface->format,
+            st_sample_pixel_block(texture->format,
                                   block,
                                   (uint8_t *) raw + y * transfer->stride + x * block->size,
                                   rgba + y * block->height * rgba_stride + x * block->width * 4,
                                   rgba_stride,
-                                  MIN2(block->width, surface->width - x*block->width),
-                                  MIN2(block->height, surface->height - y*block->height));
+                                  MIN2(block->width, width - x*block->width),
+                                  MIN2(block->height, height - y*block->height));
          }
       }
 
diff --git a/src/gallium/state_trackers/python/st_sample.h b/src/gallium/state_trackers/python/st_sample.h
index ff04a12613..0a27083549 100644
--- a/src/gallium/state_trackers/python/st_sample.h
+++ b/src/gallium/state_trackers/python/st_sample.h
@@ -41,7 +41,7 @@ st_sample_pixel_block(enum pipe_format format,
                       unsigned w, unsigned h);
 
 void
-st_sample_surface(struct pipe_surface *surface, float *rgba);
+st_sample_surface(struct st_surface *surface, float *rgba);
 
 
 #endif /* ST_SAMPLE_H_ */
diff --git a/src/gallium/state_trackers/python/st_softpipe_winsys.c b/src/gallium/state_trackers/python/st_softpipe_winsys.c
index 426f347d18..41cdeaa6fd 100644
--- a/src/gallium/state_trackers/python/st_softpipe_winsys.c
+++ b/src/gallium/state_trackers/python/st_softpipe_winsys.c
@@ -84,8 +84,7 @@ st_softpipe_buffer_unmap(struct pipe_winsys *winsys,
 
 
 static void
-st_softpipe_buffer_destroy(struct pipe_winsys *winsys,
-                           struct pipe_buffer *buf)
+st_softpipe_buffer_destroy(struct pipe_buffer *buf)
 {
    struct st_softpipe_buffer *oldBuf = st_softpipe_buffer(buf);
 
diff --git a/src/gallium/state_trackers/python/tests/.gitignore b/src/gallium/state_trackers/python/tests/.gitignore
new file mode 100644
index 0000000000..0dbbaeea16
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/.gitignore
@@ -0,0 +1,3 @@
+*.txt
+*.tsv
+*.dot
diff --git a/src/gallium/state_trackers/python/tests/base.py b/src/gallium/state_trackers/python/tests/base.py
index 8477aa5fc9..1fa7fe6f3b 100644..100755
--- a/src/gallium/state_trackers/python/tests/base.py
+++ b/src/gallium/state_trackers/python/tests/base.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 ##########################################################################
 # 
+# Copyright 2009 VMware, Inc.
 # Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
 # All Rights Reserved.
 # 
@@ -19,7 +20,7 @@
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
-# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+# 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.
@@ -33,6 +34,9 @@ Loosely inspired on Python's unittest module.
 """
 
 
+import os.path
+import sys
+
 from gallium import *
 
 
@@ -115,17 +119,77 @@ class Test:
         self._run(result)
         result.summary()
 
+    def assert_rgba(self, surface, x, y, w, h, expected_rgba, pixel_tol=4.0/256, surface_tol=0.85):
+        total = h*w
+        different = surface.compare_tile_rgba(x, y, w, h, expected_rgba, tol=pixel_tol)
+        if different:
+            sys.stderr.write("%u out of %u pixels differ\n" % (different, total))
+
+        if float(total - different)/float(total) < surface_tol:
+            if 0:
+                rgba = FloatArray(h*w*4)
+                surface.get_tile_rgba(x, y, w, h, rgba)
+                show_image(w, h, Result=rgba, Expected=expected_rgba)
+                save_image(w, h, rgba, "result.png")
+                save_image(w, h, expected_rgba, "expected.png")
+            #sys.exit(0)
+            
+            raise TestFailure
+
 
 class TestCase(Test):
     
+    tags = ()
+
     def __init__(self, dev, **kargs):
         Test.__init__(self)
         self.dev = dev
         self.__dict__.update(kargs)
 
     def description(self):
-        raise NotImplementedError
-        
+        descriptions = []
+        for tag in self.tags:
+            value = self.get(tag)
+            if value is not None and value != '':
+                descriptions.append(tag + '=' + str(value))
+        return ' '.join(descriptions)
+
+    def get(self, tag):
+        try:
+            method = getattr(self, '_get_' + tag)
+        except AttributeError:
+            return getattr(self, tag, None)
+        else:
+            return method()
+
+    def _get_target(self):
+        return {
+            PIPE_TEXTURE_1D: "1d", 
+            PIPE_TEXTURE_2D: "2d", 
+            PIPE_TEXTURE_3D: "3d", 
+            PIPE_TEXTURE_CUBE: "cube",
+        }[self.target]
+
+    def _get_format(self):
+        name = formats[self.format]
+        if name.startswith('PIPE_FORMAT_'):
+            name  = name[12:]
+        name = name.lower()
+        return name
+
+    def _get_face(self):
+        if self.target == PIPE_TEXTURE_CUBE:
+            return {
+                PIPE_TEX_FACE_POS_X: "+x",
+                PIPE_TEX_FACE_NEG_X: "-x",
+                PIPE_TEX_FACE_POS_Y: "+y",
+                PIPE_TEX_FACE_NEG_Y: "-y", 
+                PIPE_TEX_FACE_POS_Z: "+z", 
+                PIPE_TEX_FACE_NEG_Z: "-z",
+            }[self.face]
+        else:
+            return ''
+
     def test(self):
         raise NotImplementedError
     
@@ -167,27 +231,106 @@ class TestResult:
         self.passed = 0
         self.skipped = 0
         self.failed = 0
-        self.failed_descriptions = []
+
+        self.names = ['result']
+        self.types = ['pass skip fail']
+        self.rows = []
     
     def test_start(self, test):
+        sys.stdout.write("Running %s...\n" % test.description())
+        sys.stdout.flush()
         self.tests += 1
-        print "Running %s..." % test.description()
     
     def test_passed(self, test):
+        sys.stdout.write("PASS\n")
+        sys.stdout.flush()
         self.passed += 1
-        print "PASS"
+        self.log_result(test, 'pass')
             
     def test_skipped(self, test):
+        sys.stdout.write("SKIP\n")
+        sys.stdout.flush()
         self.skipped += 1
-        print "SKIP"
+        #self.log_result(test, 'skip')
         
     def test_failed(self, test):
+        sys.stdout.write("FAIL\n")
+        sys.stdout.flush()
         self.failed += 1
-        self.failed_descriptions.append(test.description())
-        print "FAIL"
+        self.log_result(test, 'fail')
+
+    def log_result(self, test, result):
+        row = ['']*len(self.names)
+
+        # add result
+        assert self.names[0] == 'result'
+        assert result in ('pass', 'skip', 'fail')
+        row[0] = result
+
+        # add tags
+        for tag in test.tags:
+            value = test.get(tag)
+
+            # infer type
+            if value is None:
+                continue
+            elif isinstance(value, (int, float)):
+                value = str(value)
+                type = 'c' # continous
+            elif isinstance(value, basestring):
+                type = 'd' # discrete
+            else:
+                assert False
+                value = str(value)
+                type = 'd' # discrete
+
+            # insert value
+            try:
+                col = self.names.index(tag, 1)
+            except ValueError:
+                self.names.append(tag)
+                self.types.append(type)
+                row.append(value)
+            else:
+                row[col] = value
+                assert self.types[col] == type
+        
+        self.rows.append(row)
 
     def summary(self):
-        print "%u tests, %u passed, %u skipped, %u failed" % (self.tests, self.passed, self.skipped, self.failed)
-        for description in self.failed_descriptions:
-            print "  %s" % description
- 
\ No newline at end of file
+        sys.stdout.write("%u tests, %u passed, %u skipped, %u failed\n\n" % (self.tests, self.passed, self.skipped, self.failed))
+        sys.stdout.flush()
+
+        name, ext = os.path.splitext(os.path.basename(sys.argv[0]))
+        filename = name + '.tsv'
+        stream = file(filename, 'wt')
+
+        # header
+        stream.write('\t'.join(self.names) + '\n')
+        stream.write('\t'.join(self.types) + '\n')
+        stream.write('class\n')
+
+        # rows
+        for row in self.rows:
+            row += ['']*(len(self.names) - len(row))
+            stream.write('\t'.join(row) + '\n')
+
+        stream.close()
+
+        # See http://www.ailab.si/orange/doc/ofb/c_otherclass.htm
+        try:
+            import orange
+            import orngTree
+        except ImportError:
+            sys.stderr.write('Install Orange from http://www.ailab.si/orange/ for a classification tree.\n')
+            return
+
+        data = orange.ExampleTable(filename)
+
+        tree = orngTree.TreeLearner(data, sameMajorityPruning=1, mForPruning=2)
+
+        orngTree.printTxt(tree, maxDepth=4)
+
+        file(name+'.txt', 'wt').write(orngTree.dumpTree(tree))
+
+        orngTree.printDot(tree, fileName=name+'.dot', nodeShape='ellipse', leafShape='box')
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-abs.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-abs.sh
new file mode 100644
index 0000000000..7a0006bf66
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-abs.sh
@@ -0,0 +1,13 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { -0.5, -0.4, -0.6, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+ABS OUT[0], TEMP[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-add.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-add.sh
new file mode 100644
index 0000000000..f7836c85dd
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-add.sh
@@ -0,0 +1,8 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+ADD OUT[0], IN[0], IN[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-dp3.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-dp3.sh
new file mode 100644
index 0000000000..c89cd748a8
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-dp3.sh
@@ -0,0 +1,8 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DP3 OUT[0], IN[0], IN[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-dp4.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-dp4.sh
new file mode 100644
index 0000000000..6517e3c494
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-dp4.sh
@@ -0,0 +1,8 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DP4 OUT[0], IN[0].xyzx, IN[0].xyzx
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-dst.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-dst.sh
new file mode 100644
index 0000000000..464880ba68
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-dst.sh
@@ -0,0 +1,8 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DST OUT[0], IN[0], IN[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-ex2.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-ex2.sh
new file mode 100644
index 0000000000..2684076f1d
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-ex2.sh
@@ -0,0 +1,11 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+EX2 TEMP[0], IN[0].xxxx
+MUL OUT[0], TEMP[0], IN[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-flr.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-flr.sh
new file mode 100644
index 0000000000..ad11e28918
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-flr.sh
@@ -0,0 +1,15 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 2.5, 4.0,  2.0, 1.0 }
+IMM FLT32 { 0.4, 0.25, 0.5, 1.0 }
+
+MUL TEMP[0], IN[0], IMM[0]
+FLR TEMP[0], TEMP[0]
+MUL OUT[0], TEMP[0], IMM[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-frc.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-frc.sh
new file mode 100644
index 0000000000..4f3aa30d66
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-frc.sh
@@ -0,0 +1,13 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 2.7, 3.1, 4.5, 1.0 }
+
+MUL TEMP[0], IN[0], IMM[0]
+FRC OUT[0], TEMP[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-lg2.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-lg2.sh
new file mode 100644
index 0000000000..54c7c64459
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-lg2.sh
@@ -0,0 +1,15 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 0.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+LG2 TEMP[0].x, TEMP[0].xxxx
+ADD OUT[0], TEMP[0], IMM[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-lit.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-lit.sh
new file mode 100644
index 0000000000..0e78ef86b5
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-lit.sh
@@ -0,0 +1,8 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+LIT OUT[0], IN[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-lrp.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-lrp.sh
new file mode 100644
index 0000000000..e9ee0f8147
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-lrp.sh
@@ -0,0 +1,11 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+ABS TEMP[0], IN[0]
+LRP OUT[0], TEMP[0], IN[0].xxxx, IN[0].yyyy
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-mad.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-mad.sh
new file mode 100644
index 0000000000..439acd5bbd
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-mad.sh
@@ -0,0 +1,11 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+IMM FLT32 { 0.5, 0.4, 0.6, 1.0 }
+IMM FLT32 { 0.5, 0.4, 0.6, 0.0 }
+
+MAD OUT[0], IN[0], IMM[0], IMM[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-max.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-max.sh
new file mode 100644
index 0000000000..ab21b245dd
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-max.sh
@@ -0,0 +1,10 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+IMM FLT32 { 0.4, 0.4, 0.4, 0.0 }
+
+MAX OUT[0], IN[0], IMM[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-min.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-min.sh
new file mode 100644
index 0000000000..969ae73d98
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-min.sh
@@ -0,0 +1,10 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+IMM FLT32 { 0.6, 0.6, 0.6, 1.0 }
+
+MIN OUT[0], IN[0], IMM[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-mov.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-mov.sh
new file mode 100644
index 0000000000..612975e057
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-mov.sh
@@ -0,0 +1,8 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+MOV OUT[0], IN[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-mul.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-mul.sh
new file mode 100644
index 0000000000..ed158b0fc6
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-mul.sh
@@ -0,0 +1,10 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+IMM FLT32 { 0.5, 0.6, 0.7, 1.0 }
+
+MUL OUT[0], IN[0], IMM[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-rcp.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-rcp.sh
new file mode 100644
index 0000000000..cc9feef07e
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-rcp.sh
@@ -0,0 +1,15 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 1.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+RCP TEMP[0].x, TEMP[0].xxxx
+SUB OUT[0], TEMP[0], IMM[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-rsq.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-rsq.sh
new file mode 100644
index 0000000000..695621fdc9
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-rsq.sh
@@ -0,0 +1,15 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 1.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+RSQ TEMP[0].x, TEMP[0].xxxx
+SUB OUT[0], TEMP[0], IMM[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-sge.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-sge.sh
new file mode 100644
index 0000000000..9505bc3c3e
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-sge.sh
@@ -0,0 +1,13 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 0.6, 0.6, 0.6, 0.0 }
+
+SGE TEMP[0], IN[0], IMM[0]
+MUL OUT[0], IN[0], TEMP[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-slt.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-slt.sh
new file mode 100644
index 0000000000..f2a1521cbf
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-slt.sh
@@ -0,0 +1,13 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 0.6, 0.6, 0.6, 0.0 }
+
+SLT TEMP[0], IN[0], IMM[0]
+MUL OUT[0], IN[0], TEMP[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-abs.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-abs.sh
new file mode 100644
index 0000000000..9cd4b68295
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-abs.sh
@@ -0,0 +1,13 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { -0.3, -0.5, -0.4, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+MOV OUT[0], |TEMP[0]|
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-absneg.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-absneg.sh
new file mode 100644
index 0000000000..acd6aa750d
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-absneg.sh
@@ -0,0 +1,15 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { -0.2, -0.3, -0.4, 0.0 }
+IMM FLT32 { -1.0, -1.0, -1.0, -1.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+MOV TEMP[0], -|TEMP[0]|
+MUL OUT[0], TEMP[0], IMM[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-neg.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-neg.sh
new file mode 100644
index 0000000000..ba1b61503b
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-neg.sh
@@ -0,0 +1,11 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+DCL TEMP[0]
+
+SUB TEMP[0], IN[0], IN[0].yzxw
+MOV OUT[0], -TEMP[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-swz.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-swz.sh
new file mode 100644
index 0000000000..192aa7bb26
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-srcmod-swz.sh
@@ -0,0 +1,8 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+MOV OUT[0], IN[0].yxzw
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-sub.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-sub.sh
new file mode 100644
index 0000000000..83441fa820
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-sub.sh
@@ -0,0 +1,8 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+SUB OUT[0], IN[0], IN[0].yzxw
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-xpd.sh b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-xpd.sh
new file mode 100644
index 0000000000..d6f66c4927
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/frag-xpd.sh
@@ -0,0 +1,8 @@
+FRAG1.1
+
+DCL IN[0], COLOR, LINEAR
+DCL OUT[0], COLOR
+
+XPD OUT[0], IN[0], IN[0].yzxw
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/fragment-shader/fragment-shader.py b/src/gallium/state_trackers/python/tests/regress/fragment-shader/fragment-shader.py
new file mode 100644
index 0000000000..d60fb38d1a
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/fragment-shader/fragment-shader.py
@@ -0,0 +1,218 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 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.
+# 
+##########################################################################
+
+
+from gallium import *
+
+def make_image(surface):
+    data = surface.get_tile_rgba8(0, 0, surface.width, surface.height)
+
+    import Image
+    outimage = Image.fromstring('RGBA', (surface.width, surface.height), data, "raw", 'RGBA', 0, 1)
+    return outimage
+
+def save_image(filename, surface):
+    outimage = make_image(surface)
+    outimage.save(filename, "PNG")
+
+def test(dev, name):
+    ctx = dev.context_create()
+
+    width = 320
+    height = 320
+    minz = 0.0
+    maxz = 1.0
+
+    # disabled blending/masking
+    blend = Blend()
+    blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE
+    blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE
+    blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+    blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+    blend.colormask = PIPE_MASK_RGBA
+    ctx.set_blend(blend)
+
+    # depth/stencil/alpha
+    depth_stencil_alpha = DepthStencilAlpha()
+    depth_stencil_alpha.depth.enabled = 0
+    depth_stencil_alpha.depth.writemask = 1
+    depth_stencil_alpha.depth.func = PIPE_FUNC_LESS
+    ctx.set_depth_stencil_alpha(depth_stencil_alpha)
+
+    # rasterizer
+    rasterizer = Rasterizer()
+    rasterizer.front_winding = PIPE_WINDING_CW
+    rasterizer.cull_mode = PIPE_WINDING_NONE
+    rasterizer.scissor = 1
+    ctx.set_rasterizer(rasterizer)
+
+    # viewport
+    viewport = Viewport()
+    scale = FloatArray(4)
+    scale[0] = width / 2.0
+    scale[1] = -height / 2.0
+    scale[2] = (maxz - minz) / 2.0
+    scale[3] = 1.0
+    viewport.scale = scale
+    translate = FloatArray(4)
+    translate[0] = width / 2.0
+    translate[1] = height / 2.0
+    translate[2] = (maxz - minz) / 2.0
+    translate[3] = 0.0
+    viewport.translate = translate
+    ctx.set_viewport(viewport)
+
+    # samplers
+    sampler = Sampler()
+    sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+    sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+    sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+    sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE
+    sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.normalized_coords = 1
+    ctx.set_sampler(0, sampler)
+
+    # scissor
+    scissor = Scissor()
+    scissor.minx = 0
+    scissor.miny = 0
+    scissor.maxx = width
+    scissor.maxy = height
+    ctx.set_scissor(scissor)
+
+    clip = Clip()
+    clip.nr = 0
+    ctx.set_clip(clip)
+
+    # framebuffer
+    cbuf = dev.texture_create(
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        width, height,
+        tex_usage=PIPE_TEXTURE_USAGE_DISPLAY_TARGET,
+    ).get_surface()
+    fb = Framebuffer()
+    fb.width = width
+    fb.height = height
+    fb.nr_cbufs = 1
+    fb.set_cbuf(0, cbuf)
+    ctx.set_framebuffer(fb)
+    rgba = FloatArray(4);
+    rgba[0] = 0.5
+    rgba[1] = 0.5
+    rgba[2] = 0.5
+    rgba[3] = 0.5
+    ctx.clear(PIPE_CLEAR_COLOR, rgba, 0.0, 0)
+
+    # vertex shader
+    vs = Shader('''
+        VERT1.1
+        DCL IN[0], POSITION
+        DCL IN[1], COLOR
+        DCL OUT[0], POSITION
+        DCL OUT[1], COLOR
+        MOV OUT[0], IN[0]
+        MOV OUT[1], IN[1]
+        END
+    ''')
+    ctx.set_vertex_shader(vs)
+
+    # fragment shader
+    fs = Shader(file('frag-' + name + '.sh', 'rt').read())
+    ctx.set_fragment_shader(fs)
+
+    xy = [
+        -0.8, -0.8,
+         0.8, -0.8,
+         0.0,  0.8,
+    ]
+    color = [
+        1.0, 0.0, 0.0,
+        0.0, 1.0, 0.0,
+        0.0, 0.0, 1.0,
+    ]
+
+    nverts = 3
+    nattrs = 2
+    verts = FloatArray(nverts * nattrs * 4)
+
+    for i in range(0, nverts):
+        verts[i * nattrs * 4 + 0] = xy[i * 2 + 0] # x
+        verts[i * nattrs * 4 + 1] = xy[i * 2 + 1] # y
+        verts[i * nattrs * 4 + 2] = 0.5 # z
+        verts[i * nattrs * 4 + 3] = 1.0 # w
+        verts[i * nattrs * 4 + 4] = color[i * 3 + 0] # r
+        verts[i * nattrs * 4 + 5] = color[i * 3 + 1] # g
+        verts[i * nattrs * 4 + 6] = color[i * 3 + 2] # b
+        verts[i * nattrs * 4 + 7] = 1.0 # a
+
+    ctx.draw_vertices(PIPE_PRIM_TRIANGLES,
+                      nverts,
+                      nattrs,
+                      verts)
+
+    ctx.flush()
+
+    save_image('frag-' + name + '.png', cbuf)
+
+def main():
+    tests = [
+        'abs',
+        'add',
+        'dp3',
+        'dp4',
+        'dst',
+        'ex2',
+        'flr',
+        'frc',
+        'lg2',
+        'lit',
+        'lrp',
+        'mad',
+        'max',
+        'min',
+        'mov',
+        'mul',
+        'rcp',
+        'rsq',
+        'sge',
+        'slt',
+        'srcmod-abs',
+        'srcmod-absneg',
+        'srcmod-neg',
+        'srcmod-swz',
+        'sub',
+        'xpd',
+    ]
+
+    dev = Device()
+    for t in tests:
+        test(dev, t)
+
+if __name__ == '__main__':
+    main()
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-abs.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-abs.sh
new file mode 100644
index 0000000000..f0d0d5de17
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-abs.sh
@@ -0,0 +1,15 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { 0.2, 0.2, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+ABS OUT[0], TEMP[0]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-add.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-add.sh
new file mode 100644
index 0000000000..936c851c9d
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-add.sh
@@ -0,0 +1,13 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.2, -0.1, 0.0, 0.0 }
+
+ADD OUT[0], IN[0], IMM[0]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-arl.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-arl.sh
new file mode 100644
index 0000000000..7638e96346
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-arl.sh
@@ -0,0 +1,23 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+DCL ADDR[0]
+
+IMM FLT32 { 3.0, 1.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 0.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 1.0, 1.0 }
+
+MOV OUT[0], IN[0]
+MUL TEMP[0], IN[0], IMM[0]
+ARL ADDR[0].x, TEMP[0]
+MOV OUT[1], IMM[ADDR[0].x + 3]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-arr.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-arr.sh
new file mode 100644
index 0000000000..28ce6f9a0c
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-arr.sh
@@ -0,0 +1,23 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+DCL ADDR[0]
+
+IMM FLT32 { 3.0, 1.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 0.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 1.0, 1.0 }
+
+MOV OUT[0], IN[0]
+MUL TEMP[0], IN[0], IMM[0]
+ARR ADDR[0].x, TEMP[0]
+MOV OUT[1], IMM[ADDR[0].x + 3]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dp3.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dp3.sh
new file mode 100644
index 0000000000..b57d68520f
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dp3.sh
@@ -0,0 +1,16 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+
+DP3 TEMP[0].xy, IN[0], IN[0]
+MOV TEMP[0].zw, IMM[0]
+MUL OUT[0], IN[0], TEMP[0]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dp4.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dp4.sh
new file mode 100644
index 0000000000..0eb31719c5
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dp4.sh
@@ -0,0 +1,16 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+
+DP4 TEMP[0].xy, IN[0], IN[0]
+MOV TEMP[0].zw, IMM[0]
+MUL OUT[0], IN[0], TEMP[0]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dst.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dst.sh
new file mode 100644
index 0000000000..dc5e0eb92e
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dst.sh
@@ -0,0 +1,11 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0]
+DST OUT[1], IN[1], IN[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-ex2.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-ex2.sh
new file mode 100644
index 0000000000..34057af4e6
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-ex2.sh
@@ -0,0 +1,18 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0..1]
+
+IMM FLT32 { 0.3, 0.3, 0.3, 1.0 }
+
+EX2 TEMP[0], IN[0]
+EX2 TEMP[1], IN[1].yyyy
+MUL TEMP[0], TEMP[0], IMM[0]
+MOV OUT[0], IN[0]
+MUL OUT[1], TEMP[0], TEMP[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-flr.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-flr.sh
new file mode 100644
index 0000000000..44ad708119
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-flr.sh
@@ -0,0 +1,23 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+DCL ADDR[0]
+
+IMM FLT32 { 3.0, 1.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 0.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+IMM FLT32 { 1.0, 1.0, 0.0, 1.0 }
+IMM FLT32 { 0.0, 1.0, 1.0, 1.0 }
+
+MOV OUT[0], IN[0]
+MUL TEMP[0], IN[0], IMM[0]
+FLR ADDR[0].x, TEMP[0]
+MOV OUT[1], IMM[ADDR[0].x + 3]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-frc.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-frc.sh
new file mode 100644
index 0000000000..d179749de8
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-frc.sh
@@ -0,0 +1,15 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 2.7, 3.1, 4.5, 1.0 }
+
+MUL TEMP[0], IN[0].xyxw, IMM[0]
+MOV OUT[0], IN[0]
+FRC OUT[1], TEMP[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lg2.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lg2.sh
new file mode 100644
index 0000000000..f6e08d087c
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lg2.sh
@@ -0,0 +1,18 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 0.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+LG2 TEMP[0].x, TEMP[0].xxxx
+ADD OUT[0], TEMP[0], IMM[1]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lit.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lit.sh
new file mode 100644
index 0000000000..da98f30928
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lit.sh
@@ -0,0 +1,11 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0]
+LIT OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lrp.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lrp.sh
new file mode 100644
index 0000000000..8c262580e2
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lrp.sh
@@ -0,0 +1,14 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+ABS TEMP[0], IN[0]
+MOV OUT[0], IN[0]
+LRP OUT[1], TEMP[0], IN[1].xxxx, IN[1].yyyy
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mad.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mad.sh
new file mode 100644
index 0000000000..eb07a3bd56
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mad.sh
@@ -0,0 +1,14 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.5, 1.0, 1.0, 1.0 }
+IMM FLT32 { 0.5, 0.0, 0.0, 0.0 }
+
+MAD OUT[0], IN[0], IMM[0], IMM[1]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-max.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-max.sh
new file mode 100644
index 0000000000..2d8b1fe3bf
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-max.sh
@@ -0,0 +1,13 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.5, 0.5, 0.5, 0.0 }
+
+MOV OUT[0], IN[0]
+MAX OUT[1], IN[1], IMM[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-min.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-min.sh
new file mode 100644
index 0000000000..84af0e2905
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-min.sh
@@ -0,0 +1,13 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.5, 0.5, 0.5, 0.0 }
+
+MOV OUT[0], IN[0]
+MIN OUT[1], IN[1], IMM[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mov.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mov.sh
new file mode 100644
index 0000000000..bcdec07c20
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mov.sh
@@ -0,0 +1,11 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mul.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mul.sh
new file mode 100644
index 0000000000..f3b57c3038
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mul.sh
@@ -0,0 +1,13 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.6, 0.6, 1.0, 1.0 }
+
+MUL OUT[0], IN[0], IMM[0]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-rcp.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-rcp.sh
new file mode 100644
index 0000000000..78af589b5c
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-rcp.sh
@@ -0,0 +1,18 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 1.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+RCP TEMP[0].x, TEMP[0].xxxx
+SUB OUT[0], TEMP[0], IMM[1]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-rsq.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-rsq.sh
new file mode 100644
index 0000000000..1675c7d5ff
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-rsq.sh
@@ -0,0 +1,18 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 1.0, 0.0, 0.0, 0.0 }
+IMM FLT32 { 1.5, 0.0, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+RSQ TEMP[0].x, TEMP[0].xxxx
+SUB OUT[0], TEMP[0], IMM[1]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-sge.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-sge.sh
new file mode 100644
index 0000000000..3d92cd5aae
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-sge.sh
@@ -0,0 +1,16 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { -0.1, -0.1, 1.0, 0.0 }
+
+SGE TEMP[0], IN[0], IMM[0]
+MOV OUT[0], IN[0]
+MUL OUT[1], IN[1], TEMP[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-slt.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-slt.sh
new file mode 100644
index 0000000000..85c60ff4ec
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-slt.sh
@@ -0,0 +1,16 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+IMM FLT32 { 0.6, 0.6, 0.0, 0.0 }
+
+SLT TEMP[0], IN[0], IMM[0]
+MOV OUT[0], IN[0]
+MUL OUT[1], IN[1], TEMP[0]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-abs.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-abs.sh
new file mode 100644
index 0000000000..6db417a62e
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-abs.sh
@@ -0,0 +1,15 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { 0.1, 0.1, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+MOV OUT[0], |TEMP[0]|
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-absneg.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-absneg.sh
new file mode 100644
index 0000000000..fc83238052
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-absneg.sh
@@ -0,0 +1,16 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+
+IMM FLT32 { -0.2, -0.2, 0.0, 0.0 }
+
+ADD TEMP[0], IN[0], IMM[0]
+MOV OUT[0].xy, -|TEMP[0]|
+MOV OUT[0].zw, IN[0]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-neg.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-neg.sh
new file mode 100644
index 0000000000..ce4e90b5e1
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-neg.sh
@@ -0,0 +1,12 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0].xy, -IN[0]
+MOV OUT[0].zw, IN[0]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-swz.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-swz.sh
new file mode 100644
index 0000000000..c03de4c674
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-srcmod-swz.sh
@@ -0,0 +1,11 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0].yxzw
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-sub.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-sub.sh
new file mode 100644
index 0000000000..a583b95828
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-sub.sh
@@ -0,0 +1,13 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+IMM FLT32 { 0.1, 0.1, 0.0, 0.0 }
+
+SUB OUT[0], IN[0], IMM[0]
+MOV OUT[1], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-xpd.sh b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-xpd.sh
new file mode 100644
index 0000000000..8def8943b0
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-xpd.sh
@@ -0,0 +1,11 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+MOV OUT[0], IN[0]
+XPD OUT[1], IN[0], IN[1]
+
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vertex-shader.py b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vertex-shader.py
new file mode 100644
index 0000000000..472769f259
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vertex-shader.py
@@ -0,0 +1,247 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 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.
+# 
+##########################################################################
+
+
+from gallium import *
+
+def make_image(surface):
+    data = surface.get_tile_rgba8(0, 0, surface.width, surface.height)
+
+    import Image
+    outimage = Image.fromstring('RGBA', (surface.width, surface.height), data, "raw", 'RGBA', 0, 1)
+    return outimage
+
+def save_image(filename, surface):
+    outimage = make_image(surface)
+    outimage.save(filename, "PNG")
+
+def test(dev, name):
+    ctx = dev.context_create()
+
+    width = 320
+    height = 320
+    minz = 0.0
+    maxz = 1.0
+
+    # disabled blending/masking
+    blend = Blend()
+    blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE
+    blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE
+    blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+    blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+    blend.colormask = PIPE_MASK_RGBA
+    ctx.set_blend(blend)
+
+    # depth/stencil/alpha
+    depth_stencil_alpha = DepthStencilAlpha()
+    depth_stencil_alpha.depth.enabled = 0
+    depth_stencil_alpha.depth.writemask = 1
+    depth_stencil_alpha.depth.func = PIPE_FUNC_LESS
+    ctx.set_depth_stencil_alpha(depth_stencil_alpha)
+
+    # rasterizer
+    rasterizer = Rasterizer()
+    rasterizer.front_winding = PIPE_WINDING_CW
+    rasterizer.cull_mode = PIPE_WINDING_NONE
+    rasterizer.scissor = 1
+    ctx.set_rasterizer(rasterizer)
+
+    # viewport
+    viewport = Viewport()
+    scale = FloatArray(4)
+    scale[0] = width / 2.0
+    scale[1] = -height / 2.0
+    scale[2] = (maxz - minz) / 2.0
+    scale[3] = 1.0
+    viewport.scale = scale
+    translate = FloatArray(4)
+    translate[0] = width / 2.0
+    translate[1] = height / 2.0
+    translate[2] = (maxz - minz) / 2.0
+    translate[3] = 0.0
+    viewport.translate = translate
+    ctx.set_viewport(viewport)
+
+    # samplers
+    sampler = Sampler()
+    sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+    sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+    sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+    sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE
+    sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.normalized_coords = 1
+    ctx.set_sampler(0, sampler)
+
+    # scissor
+    scissor = Scissor()
+    scissor.minx = 0
+    scissor.miny = 0
+    scissor.maxx = width
+    scissor.maxy = height
+    ctx.set_scissor(scissor)
+
+    clip = Clip()
+    clip.nr = 0
+    ctx.set_clip(clip)
+
+    # framebuffer
+    cbuf = dev.texture_create(
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        width, height,
+        tex_usage=PIPE_TEXTURE_USAGE_DISPLAY_TARGET,
+    ).get_surface()
+    fb = Framebuffer()
+    fb.width = width
+    fb.height = height
+    fb.nr_cbufs = 1
+    fb.set_cbuf(0, cbuf)
+    ctx.set_framebuffer(fb)
+    rgba = FloatArray(4);
+    rgba[0] = 0.5
+    rgba[1] = 0.5
+    rgba[2] = 0.5
+    rgba[3] = 0.5
+    ctx.clear(PIPE_CLEAR_COLOR, rgba, 0.0, 0)
+
+    # vertex shader
+    vs = Shader(file('vert-' + name + '.sh', 'rt').read())
+    ctx.set_vertex_shader(vs)
+
+    # fragment shader
+    fs = Shader('''
+        FRAG1.1
+        DCL IN[0], COLOR, LINEAR
+        DCL OUT[0], COLOR, CONSTANT
+        0:MOV OUT[0], IN[0]
+        1:END
+    ''')
+    ctx.set_fragment_shader(fs)
+
+    xy = [
+         0.0,  0.8,
+        -0.2,  0.4,
+         0.2,  0.4,
+        -0.4,  0.0,
+         0.0,  0.0,
+         0.4,  0.0,
+        -0.6, -0.4,
+        -0.2, -0.4,
+         0.2, -0.4,
+         0.6, -0.4,
+        -0.8, -0.8,
+        -0.4, -0.8,
+         0.0, -0.8,
+         0.4, -0.8,
+         0.8, -0.8,
+    ]
+    color = [
+        1.0, 0.0, 0.0,
+        0.0, 1.0, 0.0,
+        0.0, 0.0, 1.0,
+    ]
+    tri = [
+         1,  2,  0,
+         3,  4,  1,
+         4,  2,  1,
+         4,  5,  2,
+         6,  7,  3,
+         7,  4,  3,
+         7,  8,  4,
+         8,  5,  4,
+         8,  9,  5,
+        10, 11,  6,
+        11,  7,  6,
+        11, 12,  7,
+        12,  8,  7,
+        12, 13,  8,
+        13,  9,  8,
+        13, 14,  9,
+    ]
+
+    nverts = 16 * 3
+    nattrs = 2
+    verts = FloatArray(nverts * nattrs * 4)
+
+    for i in range(0, nverts):
+        verts[i * nattrs * 4 + 0] = xy[tri[i] * 2 + 0] # x
+        verts[i * nattrs * 4 + 1] = xy[tri[i] * 2 + 1] # y
+        verts[i * nattrs * 4 + 2] = 0.5 # z
+        verts[i * nattrs * 4 + 3] = 1.0 # w
+        verts[i * nattrs * 4 + 4] = color[(i % 3) * 3 + 0] # r
+        verts[i * nattrs * 4 + 5] = color[(i % 3) * 3 + 1] # g
+        verts[i * nattrs * 4 + 6] = color[(i % 3) * 3 + 2] # b
+        verts[i * nattrs * 4 + 7] = 1.0 # a
+
+    ctx.draw_vertices(PIPE_PRIM_TRIANGLES,
+                      nverts,
+                      nattrs,
+                      verts)
+
+    ctx.flush()
+
+    save_image('vert-' + name + '.png', cbuf)
+
+def main():
+    tests = [
+        'abs',
+        'add',
+        'arl',
+        'arr',
+        'dp3',
+        'dp4',
+        'dst',
+        'ex2',
+        'flr',
+        'frc',
+        'lg2',
+        'lit',
+        'lrp',
+        'mad',
+        'max',
+        'min',
+        'mov',
+        'mul',
+        'rcp',
+        'rsq',
+        'sge',
+        'slt',
+        'srcmod-abs',
+        'srcmod-absneg',
+        'srcmod-neg',
+        'srcmod-swz',
+        'sub',
+        'xpd',
+    ]
+
+    dev = Device()
+    for t in tests:
+        test(dev, t)
+
+if __name__ == '__main__':
+    main()
diff --git a/src/gallium/state_trackers/python/tests/surface_copy.py b/src/gallium/state_trackers/python/tests/surface_copy.py
new file mode 100755
index 0000000000..3ceecbbd3a
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/surface_copy.py
@@ -0,0 +1,199 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 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.
+# 
+##########################################################################
+
+
+from gallium import *
+from base import *
+
+
+def lods(*dims):
+    size = max(dims)
+    lods = 0
+    while size:
+        lods += 1
+        size >>= 1
+    return lods
+
+
+class TextureTest(TestCase):
+    
+    tags = (
+        'target',
+        'format',
+        'width',
+        'height',
+        'depth',
+        'last_level',
+        'face',
+        'level',
+        'zslice',
+    )
+
+    def test(self):
+        dev = self.dev
+        
+        target = self.target
+        format = self.format
+        width = self.width
+        height = self.height
+        depth = self.depth
+        last_level = self.last_level
+        face = self.face
+        level = self.level
+        zslice = self.zslice
+        
+        #  textures
+        dst_texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = width, 
+            height = height,
+            depth = depth, 
+            last_level = last_level,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+        if dst_texture is None:
+            raise TestSkip
+
+        dst_surface = dst_texture.get_surface(face = face, level = level, zslice = zslice)
+        
+        src_texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = dst_surface.width, 
+            height = dst_surface.height,
+            depth = 1, 
+            last_level = 0,
+            tex_usage = PIPE_TEXTURE_USAGE_SAMPLER,
+        )
+
+        src_surface = src_texture.get_surface()
+        
+        x = 0
+        y = 0
+        w = dst_surface.width
+        h = dst_surface.height
+    
+        stride = dst_surface.nblocksx * dst_texture.block.size
+        size = dst_surface.nblocksy * stride
+        src_raw = os.urandom(size)
+
+        src_surface.put_tile_raw(0, 0, w, h, src_raw, stride)
+
+        ctx = self.dev.context_create()
+    
+        ctx.surface_copy(dst_surface, 0, 0, 
+                         src_surface, 0, 0, w, h)
+    
+        ctx.flush()
+
+        dst_raw = dst_surface.get_tile_raw(0, 0, w, h)
+
+        if dst_raw != src_raw:
+            raise TestFailure
+        
+
+
+def main():
+    dev = Device()
+    suite = TestSuite()
+    
+    targets = [
+        PIPE_TEXTURE_2D,
+        PIPE_TEXTURE_CUBE,
+        #PIPE_TEXTURE_3D,
+    ]
+    
+    formats = [
+        PIPE_FORMAT_A8R8G8B8_UNORM,
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        PIPE_FORMAT_A8R8G8B8_SRGB,
+        PIPE_FORMAT_R5G6B5_UNORM,
+        PIPE_FORMAT_A1R5G5B5_UNORM,
+        PIPE_FORMAT_A4R4G4B4_UNORM,
+        PIPE_FORMAT_Z32_UNORM,
+        PIPE_FORMAT_Z24S8_UNORM,
+        PIPE_FORMAT_Z24X8_UNORM,
+        PIPE_FORMAT_Z16_UNORM,
+        PIPE_FORMAT_S8_UNORM,
+        PIPE_FORMAT_A8_UNORM,
+        PIPE_FORMAT_L8_UNORM,
+        PIPE_FORMAT_DXT1_RGB,
+        PIPE_FORMAT_DXT1_RGBA,
+        PIPE_FORMAT_DXT3_RGBA,
+        PIPE_FORMAT_DXT5_RGBA,
+    ]
+    
+    sizes = [64, 32, 16, 8, 4, 2, 1]
+    #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
+    #sizes = [64]
+    #sizes = [63]
+    
+    faces = [
+        PIPE_TEX_FACE_POS_X,
+        PIPE_TEX_FACE_NEG_X,
+        PIPE_TEX_FACE_POS_Y,
+        PIPE_TEX_FACE_NEG_Y, 
+        PIPE_TEX_FACE_POS_Z, 
+        PIPE_TEX_FACE_NEG_Z,
+    ]
+
+    for target in targets:
+        for format in formats:
+            for size in sizes:
+                if target == PIPE_TEXTURE_3D:
+                    depth = size
+                else:
+                    depth = 1
+                for face in faces:
+                    if target != PIPE_TEXTURE_CUBE and face:
+                        continue
+                    levels = lods(size)
+                    for last_level in range(levels):
+                        for level in range(0, last_level + 1):
+                            zslice = 0
+                            while zslice < depth >> level:
+                                test = TextureTest(
+                                    dev = dev,
+                                    target = target,
+                                    format = format, 
+                                    width = size,
+                                    height = size,
+                                    depth = depth,
+                                    last_level = last_level,
+                                    face = face,
+                                    level = level,
+                                    zslice = zslice,
+                                )
+                                suite.add_test(test)
+                                zslice = (zslice + 1)*2 - 1
+    suite.run()
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/gallium/state_trackers/python/tests/texture_render.py b/src/gallium/state_trackers/python/tests/texture_render.py
new file mode 100755
index 0000000000..0b76932b6e
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/texture_render.py
@@ -0,0 +1,320 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 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.
+# 
+##########################################################################
+
+
+from gallium import *
+from base import *
+
+
+def lods(*dims):
+    size = max(dims)
+    lods = 0
+    while size:
+        lods += 1
+        size >>= 1
+    return lods
+
+
+class TextureTest(TestCase):
+    
+    tags = (
+        'target',
+        'format',
+        'width',
+        'height',
+        'depth',
+        'last_level',
+        'face',
+        'level',
+        'zslice',
+    )
+
+    def test(self):
+        dev = self.dev
+        
+        target = self.target
+        format = self.format
+        width = self.width
+        height = self.height
+        depth = self.depth
+        last_level = self.last_level
+        face = self.face
+        level = self.level
+        zslice = self.zslice
+        
+        #  textures
+        dst_texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = width, 
+            height = height,
+            depth = depth, 
+            last_level = last_level,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+        if dst_texture is None:
+            raise TestSkip
+
+        dst_surface = dst_texture.get_surface(face = face, level = level, zslice = zslice)
+        
+        ref_texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = dst_surface.width, 
+            height = dst_surface.height,
+            depth = 1, 
+            last_level = 0,
+            tex_usage = PIPE_TEXTURE_USAGE_SAMPLER,
+        )
+
+        ref_surface = ref_texture.get_surface()
+        
+        src_texture = dev.texture_create(
+            target = target,
+            format = PIPE_FORMAT_A8R8G8B8_UNORM, 
+            width = dst_surface.width, 
+            height = dst_surface.height,
+            depth = 1, 
+            last_level = 0,
+            tex_usage = PIPE_TEXTURE_USAGE_SAMPLER,
+        )
+
+        src_surface = src_texture.get_surface()
+        
+        expected_rgba = FloatArray(height*width*4) 
+        ref_surface.sample_rgba(expected_rgba)
+
+        src_surface.put_tile_rgba(0, 0, src_surface.width, src_surface.height, expected_rgba)
+        
+        ctx = self.dev.context_create()
+    
+        # disabled blending/masking
+        blend = Blend()
+        blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE
+        blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+        blend.colormask = PIPE_MASK_RGBA
+        ctx.set_blend(blend)
+    
+        # no-op depth/stencil/alpha
+        depth_stencil_alpha = DepthStencilAlpha()
+        ctx.set_depth_stencil_alpha(depth_stencil_alpha)
+    
+        # rasterizer
+        rasterizer = Rasterizer()
+        rasterizer.front_winding = PIPE_WINDING_CW
+        rasterizer.cull_mode = PIPE_WINDING_NONE
+        rasterizer.bypass_vs_clip_and_viewport = 1
+        ctx.set_rasterizer(rasterizer)
+    
+        # samplers
+        sampler = Sampler()
+        sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+        sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+        sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+        sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST
+        sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+        sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+        sampler.normalized_coords = 1
+        sampler.min_lod = 0
+        sampler.max_lod = PIPE_MAX_TEXTURE_LEVELS - 1
+        ctx.set_sampler(0, sampler)
+        ctx.set_sampler_texture(0, src_texture)
+
+        #  framebuffer 
+        cbuf_tex = dev.texture_create(
+            PIPE_FORMAT_A8R8G8B8_UNORM, 
+            width, 
+            height,
+            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+        )
+
+        fb = Framebuffer()
+        fb.width = dst_surface.width
+        fb.height = dst_surface.height
+        fb.nr_cbufs = 1
+        fb.set_cbuf(0, dst_surface)
+        ctx.set_framebuffer(fb)
+        rgba = FloatArray(4);
+        rgba[0] = 0.0
+        rgba[1] = 0.0
+        rgba[2] = 0.0
+        rgba[3] = 0.0
+        ctx.clear(PIPE_CLEAR_COLOR, rgba, 0.0, 0)
+        del fb
+    
+        # vertex shader
+        vs = Shader('''
+            VERT1.1
+            DCL IN[0], POSITION, CONSTANT
+            DCL IN[1], GENERIC, CONSTANT
+            DCL OUT[0], POSITION, CONSTANT
+            DCL OUT[1], GENERIC, CONSTANT
+            0:MOV OUT[0], IN[0]
+            1:MOV OUT[1], IN[1]
+            2:END
+        ''')
+        #vs.dump()
+        ctx.set_vertex_shader(vs)
+    
+        # fragment shader
+        fs = Shader('''
+            FRAG1.1
+            DCL IN[0], GENERIC[0], LINEAR
+            DCL OUT[0], COLOR, CONSTANT
+            DCL SAMP[0], CONSTANT
+            0:TEX OUT[0], IN[0], SAMP[0], 2D
+            1:END
+        ''')
+        #fs.dump()
+        ctx.set_fragment_shader(fs)
+
+        nverts = 4
+        nattrs = 2
+        verts = FloatArray(nverts * nattrs * 4)
+    
+        x = 0
+        y = 0
+        w = dst_surface.width
+        h = dst_surface.height
+    
+        pos = [
+            [x, y],
+            [x+w, y],
+            [x+w, y+h],
+            [x, y+h],
+        ]
+    
+        tex = [
+            [0.0, 0.0], 
+            [1.0, 0.0], 
+            [1.0, 1.0], 
+            [0.0, 1.0],
+        ]
+    
+        for i in range(0, 4):
+            j = 8*i
+            verts[j + 0] = pos[i][0] # x
+            verts[j + 1] = pos[i][1] # y
+            verts[j + 2] = 0.0 # z
+            verts[j + 3] = 1.0 # w
+            verts[j + 4] = tex[i][0] # s
+            verts[j + 5] = tex[i][1] # r
+            verts[j + 6] = 0.0
+            verts[j + 7] = 1.0
+    
+        ctx.draw_vertices(PIPE_PRIM_TRIANGLE_FAN,
+                          nverts, 
+                          nattrs, 
+                          verts)
+    
+        ctx.flush()
+    
+        self.assert_rgba(dst_surface, x, y, w, h, expected_rgba, 4.0/256, 0.85)
+        
+
+
+def main():
+    dev = Device()
+    suite = TestSuite()
+    
+    targets = [
+        PIPE_TEXTURE_2D,
+        PIPE_TEXTURE_CUBE,
+        #PIPE_TEXTURE_3D,
+    ]
+    
+    formats = [
+        PIPE_FORMAT_A8R8G8B8_UNORM,
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        #PIPE_FORMAT_A8R8G8B8_SRGB,
+        PIPE_FORMAT_R5G6B5_UNORM,
+        PIPE_FORMAT_A1R5G5B5_UNORM,
+        PIPE_FORMAT_A4R4G4B4_UNORM,
+        #PIPE_FORMAT_Z32_UNORM,
+        #PIPE_FORMAT_Z24S8_UNORM,
+        #PIPE_FORMAT_Z24X8_UNORM,
+        #PIPE_FORMAT_Z16_UNORM,
+        #PIPE_FORMAT_S8_UNORM,
+        PIPE_FORMAT_A8_UNORM,
+        PIPE_FORMAT_L8_UNORM,
+        #PIPE_FORMAT_DXT1_RGB,
+        #PIPE_FORMAT_DXT1_RGBA,
+        #PIPE_FORMAT_DXT3_RGBA,
+        #PIPE_FORMAT_DXT5_RGBA,
+    ]
+    
+    sizes = [64, 32, 16, 8, 4, 2, 1]
+    #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
+    #sizes = [64]
+    #sizes = [63]
+    
+    faces = [
+        PIPE_TEX_FACE_POS_X,
+        PIPE_TEX_FACE_NEG_X,
+        PIPE_TEX_FACE_POS_Y,
+        PIPE_TEX_FACE_NEG_Y, 
+        PIPE_TEX_FACE_POS_Z, 
+        PIPE_TEX_FACE_NEG_Z,
+    ]
+
+    for target in targets:
+        for format in formats:
+            for size in sizes:
+                if target == PIPE_TEXTURE_3D:
+                    depth = size
+                else:
+                    depth = 1
+                for face in faces:
+                    if target != PIPE_TEXTURE_CUBE and face:
+                        continue
+                    levels = lods(size)
+                    for last_level in range(levels):
+                        for level in range(0, last_level + 1):
+                            zslice = 0
+                            while zslice < depth >> level:
+                                test = TextureTest(
+                                    dev = dev,
+                                    target = target,
+                                    format = format, 
+                                    width = size,
+                                    height = size,
+                                    depth = depth,
+                                    last_level = last_level,
+                                    face = face,
+                                    level = level,
+                                    zslice = zslice,
+                                )
+                                suite.add_test(test)
+                                zslice = (zslice + 1)*2 - 1
+    suite.run()
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/gallium/state_trackers/python/tests/texture.py b/src/gallium/state_trackers/python/tests/texture_sample.py
index 880a61306c..a382424667 100644..100755
--- a/src/gallium/state_trackers/python/tests/texture.py
+++ b/src/gallium/state_trackers/python/tests/texture_sample.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 ##########################################################################
 # 
+# Copyright 2009 VMware, Inc.
 # Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
 # All Rights Reserved.
 # 
@@ -19,7 +20,7 @@
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
-# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+# 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.
@@ -27,7 +28,6 @@
 ##########################################################################
 
 
-import sys
 from gallium import *
 from base import *
 
@@ -101,31 +101,18 @@ def is_pot(n):
                 
 class TextureTest(TestCase):
     
-    def description(self):
-        target = {
-            PIPE_TEXTURE_1D: "1d", 
-            PIPE_TEXTURE_2D: "2d", 
-            PIPE_TEXTURE_3D: "3d", 
-            PIPE_TEXTURE_CUBE: "cube",
-        }[self.target]
-        format = formats[self.format]
-        if self.target == PIPE_TEXTURE_CUBE:
-            face = {
-                PIPE_TEX_FACE_POS_X: "+x",
-                PIPE_TEX_FACE_NEG_X: "-x",
-                PIPE_TEX_FACE_POS_Y: "+y",
-                PIPE_TEX_FACE_NEG_Y: "-y", 
-                PIPE_TEX_FACE_POS_Z: "+z", 
-                PIPE_TEX_FACE_NEG_Z: "-z",
-            }[self.face]
-        else:
-            face = ""
-        return "%s %s %ux%ux%u last_level=%u face=%s level=%u zslice=%u" % (
-            target, format, 
-            self.width, self.height, self.depth, self.last_level, 
-            face, self.level, self.zslice, 
-        )
-    
+    tags = (
+        'target',
+        'format',
+        'width',
+        'height',
+        'depth',
+        'last_level',
+        'face',
+        'level',
+        'zslice',
+    )
+
     def test(self):
         dev = self.dev
         
@@ -168,26 +155,9 @@ class TextureTest(TestCase):
         rasterizer = Rasterizer()
         rasterizer.front_winding = PIPE_WINDING_CW
         rasterizer.cull_mode = PIPE_WINDING_NONE
-        rasterizer.bypass_clipping = 1
-        #rasterizer.bypass_vs = 1
+        rasterizer.bypass_vs_clip_and_viewport = 1
         ctx.set_rasterizer(rasterizer)
     
-        # viewport (identity, we setup vertices in wincoords)
-        viewport = Viewport()
-        scale = FloatArray(4)
-        scale[0] = 1.0
-        scale[1] = 1.0
-        scale[2] = 1.0
-        scale[3] = 1.0
-        viewport.scale = scale
-        translate = FloatArray(4)
-        translate[0] = 0.0
-        translate[1] = 0.0
-        translate[2] = 0.0
-        translate[3] = 0.0
-        viewport.translate = translate
-        ctx.set_viewport(viewport)
-    
         # samplers
         sampler = Sampler()
         sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
@@ -214,7 +184,6 @@ class TextureTest(TestCase):
         
         expected_rgba = FloatArray(height*width*4) 
         texture.get_surface(
-            usage = PIPE_BUFFER_USAGE_CPU_READ|PIPE_BUFFER_USAGE_CPU_WRITE,
             face = face,
             level = level,
             zslice = zslice,
@@ -230,14 +199,19 @@ class TextureTest(TestCase):
             tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
         )
 
-        cbuf = cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_GPU_WRITE|PIPE_BUFFER_USAGE_GPU_READ)
+        cbuf = cbuf_tex.get_surface()
         fb = Framebuffer()
         fb.width = width
         fb.height = height
-        fb.num_cbufs = 1
+        fb.nr_cbufs = 1
         fb.set_cbuf(0, cbuf)
         ctx.set_framebuffer(fb)
-        ctx.surface_clear(cbuf, 0x00000000)
+        rgba = FloatArray(4);
+        rgba[0] = 0.5
+        rgba[1] = 0.5
+        rgba[2] = 0.5
+        rgba[3] = 0.5
+        ctx.clear(PIPE_CLEAR_COLOR, rgba, 0.0, 0)
         del fb
     
         # vertex shader
@@ -307,26 +281,9 @@ class TextureTest(TestCase):
     
         ctx.flush()
     
-        cbuf = cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ)
+        cbuf = cbuf_tex.get_surface()
         
-        total = h*w
-        different = cbuf.compare_tile_rgba(x, y, w, h, expected_rgba, tol=4.0/256)
-        if different:
-            sys.stderr.write("%u out of %u pixels differ\n" % (different, total))
-
-        if float(total - different)/float(total) < 0.85:
-        
-            if 0:
-                rgba = FloatArray(h*w*4)
-                cbuf.get_tile_rgba(x, y, w, h, rgba)
-                show_image(w, h, Result=rgba, Expected=expected_rgba)
-                save_image(w, h, rgba, "result.png")
-                save_image(w, h, expected_rgba, "expected.png")
-            #sys.exit(0)
-            
-            raise TestFailure
-
-        del ctx
+        self.assert_rgba(cbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
         
 
 
@@ -334,43 +291,57 @@ def main():
     dev = Device()
     suite = TestSuite()
     
-    targets = []
-    targets += [PIPE_TEXTURE_2D]
-    targets += [PIPE_TEXTURE_CUBE]
-    targets += [PIPE_TEXTURE_3D]
+    targets = [
+        PIPE_TEXTURE_2D,
+        PIPE_TEXTURE_CUBE,
+        PIPE_TEXTURE_3D,
+    ]
     
-    formats = []
-    formats += [PIPE_FORMAT_A8R8G8B8_UNORM]
-    formats += [PIPE_FORMAT_R5G6B5_UNORM]
-    formats += [PIPE_FORMAT_L8_UNORM]
-    formats += [PIPE_FORMAT_YCBCR]
-    formats += [PIPE_FORMAT_DXT1_RGB]
+    formats = [
+        PIPE_FORMAT_A8R8G8B8_UNORM,
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        #PIPE_FORMAT_A8R8G8B8_SRGB,
+        PIPE_FORMAT_R5G6B5_UNORM,
+        PIPE_FORMAT_A1R5G5B5_UNORM,
+        PIPE_FORMAT_A4R4G4B4_UNORM,
+        #PIPE_FORMAT_Z32_UNORM,
+        #PIPE_FORMAT_Z24S8_UNORM,
+        #PIPE_FORMAT_Z24X8_UNORM,
+        #PIPE_FORMAT_Z16_UNORM,
+        #PIPE_FORMAT_S8_UNORM,
+        PIPE_FORMAT_A8_UNORM,
+        PIPE_FORMAT_L8_UNORM,
+        PIPE_FORMAT_YCBCR,
+        PIPE_FORMAT_DXT1_RGB,
+        #PIPE_FORMAT_DXT1_RGBA,
+        #PIPE_FORMAT_DXT3_RGBA,
+        #PIPE_FORMAT_DXT5_RGBA,
+    ]
     
     sizes = [64, 32, 16, 8, 4, 2, 1]
     #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
     #sizes = [64]
     #sizes = [63]
     
+    faces = [
+        PIPE_TEX_FACE_POS_X,
+        PIPE_TEX_FACE_NEG_X,
+        PIPE_TEX_FACE_POS_Y,
+        PIPE_TEX_FACE_NEG_Y, 
+        PIPE_TEX_FACE_POS_Z, 
+        PIPE_TEX_FACE_NEG_Z,
+    ]
+
     for target in targets:
         for format in formats:
             for size in sizes:
-                if target == PIPE_TEXTURE_CUBE:
-                    faces = [
-                        PIPE_TEX_FACE_POS_X,
-                        PIPE_TEX_FACE_NEG_X,
-                        PIPE_TEX_FACE_POS_Y,
-                        PIPE_TEX_FACE_NEG_Y, 
-                        PIPE_TEX_FACE_POS_Z, 
-                        PIPE_TEX_FACE_NEG_Z,
-                    ]
-                    #faces = [PIPE_TEX_FACE_NEG_X]
-                else:
-                    faces = [0]
                 if target == PIPE_TEXTURE_3D:
                     depth = size
                 else:
                     depth = 1
                 for face in faces:
+                    if target != PIPE_TEXTURE_CUBE and face:
+                        continue
                     levels = lods(size)
                     for last_level in range(levels):
                         for level in range(0, last_level + 1):
diff --git a/src/gallium/state_trackers/python/tests/texture_transfer.py b/src/gallium/state_trackers/python/tests/texture_transfer.py
new file mode 100755
index 0000000000..e65b425adf
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/texture_transfer.py
@@ -0,0 +1,179 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 VMware, Inc.
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# All Rights Reserved.
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sub license, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+# 
+# The above copyright notice and this permission notice (including the
+# next paragraph) shall be included in all copies or substantial portions
+# of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+# IN NO EVENT SHALL 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.
+# 
+##########################################################################
+
+
+import os
+
+from gallium import *
+from base import *
+
+
+def lods(*dims):
+    size = max(dims)
+    lods = 0
+    while size:
+        lods += 1
+        size >>= 1
+    return lods
+
+
+class TextureTest(TestCase):
+    
+    tags = (
+        'target',
+        'format',
+        'width',
+        'height',
+        'depth',
+        'last_level',
+        'face',
+        'level',
+        'zslice',
+    )
+
+    def test(self):
+        dev = self.dev
+        
+        target = self.target
+        format = self.format
+        width = self.width
+        height = self.height
+        depth = self.depth
+        last_level = self.last_level
+        face = self.face
+        level = self.level
+        zslice = self.zslice
+        
+        tex_usage = 0
+        
+        texture = dev.texture_create(
+            target = target,
+            format = format, 
+            width = width, 
+            height = height,
+            depth = depth, 
+            last_level = last_level,
+            tex_usage = tex_usage,
+        )
+        if texture is None:
+            raise TestSkip
+        
+        surface = texture.get_surface(face, level, zslice)
+        
+        stride = surface.nblocksx * texture.block.size
+        size = surface.nblocksy * stride
+
+        in_raw = os.urandom(size)
+
+        surface.put_tile_raw(0, 0, surface.width, surface.height, in_raw, stride)
+
+        out_raw = surface.get_tile_raw(0, 0, surface.width, surface.height)
+
+        if in_raw != out_raw:
+            raise TestFailure
+
+
+def main():
+    dev = Device()
+    suite = TestSuite()
+    
+    targets = [
+        PIPE_TEXTURE_2D,
+        PIPE_TEXTURE_CUBE,
+        PIPE_TEXTURE_3D,
+    ]
+    
+    formats = [
+        PIPE_FORMAT_A8R8G8B8_UNORM,
+        PIPE_FORMAT_X8R8G8B8_UNORM,
+        PIPE_FORMAT_A8R8G8B8_SRGB,
+        PIPE_FORMAT_R5G6B5_UNORM,
+        PIPE_FORMAT_A1R5G5B5_UNORM,
+        PIPE_FORMAT_A4R4G4B4_UNORM,
+        PIPE_FORMAT_Z32_UNORM,
+        PIPE_FORMAT_Z24S8_UNORM,
+        PIPE_FORMAT_Z24X8_UNORM,
+        PIPE_FORMAT_Z16_UNORM,
+        PIPE_FORMAT_S8_UNORM,
+        PIPE_FORMAT_A8_UNORM,
+        PIPE_FORMAT_L8_UNORM,
+        PIPE_FORMAT_DXT1_RGB,
+        PIPE_FORMAT_DXT1_RGBA,
+        PIPE_FORMAT_DXT3_RGBA,
+        PIPE_FORMAT_DXT5_RGBA,
+    ]
+    
+    sizes = [64, 32, 16, 8, 4, 2, 1]
+    #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
+    #sizes = [64]
+    #sizes = [63]
+    
+    faces = [
+        PIPE_TEX_FACE_POS_X,
+        PIPE_TEX_FACE_NEG_X,
+        PIPE_TEX_FACE_POS_Y,
+        PIPE_TEX_FACE_NEG_Y, 
+        PIPE_TEX_FACE_POS_Z, 
+        PIPE_TEX_FACE_NEG_Z,
+    ]
+
+    for target in targets:
+        for format in formats:
+            for size in sizes:
+                if target == PIPE_TEXTURE_3D:
+                    depth = size
+                else:
+                    depth = 1
+                for face in faces:
+                    if target != PIPE_TEXTURE_CUBE and face:
+                        continue
+                    levels = lods(size)
+                    for last_level in range(levels):
+                        for level in range(0, last_level + 1):
+                            zslice = 0
+                            while zslice < depth >> level:
+                                test = TextureTest(
+                                    dev = dev,
+                                    target = target,
+                                    format = format, 
+                                    width = size,
+                                    height = size,
+                                    depth = depth,
+                                    last_level = last_level,
+                                    face = face,
+                                    level = level,
+                                    zslice = zslice,
+                                )
+                                suite.add_test(test)
+                                zslice = (zslice + 1)*2 - 1
+    suite.run()
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/gallium/state_trackers/python/tests/tree.py b/src/gallium/state_trackers/python/tests/tree.py
new file mode 100755
index 0000000000..0c1bcda4cf
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/tree.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+# 
+# See also:
+#  http://www.ailab.si/orange/doc/ofb/c_otherclass.htm
+
+import os.path
+import sys
+
+import orange
+import orngTree
+
+for arg in sys.argv[1:]:
+    name, ext = os.path.splitext(arg)
+
+    data = orange.ExampleTable(arg)
+
+    tree = orngTree.TreeLearner(data, sameMajorityPruning=1, mForPruning=2)
+
+    orngTree.printTxt(tree)
+
+    file(name+'.txt', 'wt').write(orngTree.dumpTree(tree) + '\n')
+
+    orngTree.printDot(tree, fileName=name+'.dot', nodeShape='ellipse', leafShape='box')