Merge remote branch 'origin/gallium-0.1' into nouveau-gallium-0.1

9 files changed, 772 insertions, 503 deletions

diff --git a/src/gallium/state_trackers/python/README b/src/gallium/state_trackers/python/README
index 75341aa28cc..8ab88ab2f81 100644
--- a/src/gallium/state_trackers/python/README
+++ b/src/gallium/state_trackers/python/README
@@ -7,7 +7,7 @@ To build you'll need:
 * Python (with development packages)
 * SCons
 * SWIG
-* Python Imaging Library (for the samples)
+* Python Imaging Library with TK support (for the samples)
 
 Invoke scons on the top dir as
  
@@ -19,9 +19,9 @@ To use do
 
 and then try running
 
-  python src/gallium/state_trackers/python/samples/simple.py
+  python src/gallium/state_trackers/python/samples/tri.py
 
-which should create a simple.png
+which should show a triangle.
 
 
 This is still in experimental phase, and there many limitations to what you can
diff --git a/src/gallium/state_trackers/python/gallium.i b/src/gallium/state_trackers/python/gallium.i
index 284ecb827df..8d7a49cee7d 100644
--- a/src/gallium/state_trackers/python/gallium.i
+++ b/src/gallium/state_trackers/python/gallium.i
@@ -58,6 +58,7 @@
 %include "carrays.i"
 %array_class(unsigned char, ByteArray);
 %array_class(int, IntArray);
+%array_class(unsigned, UnsignedArray);
 %array_class(float, FloatArray);
 
 
@@ -65,13 +66,15 @@
 %rename(Context) st_context;
 %rename(Texture) pipe_texture;
 %rename(Surface) pipe_surface;
-
-%rename(Buffer) pipe_buffer;
+%rename(Buffer) st_buffer;
 
 %rename(BlendColor) pipe_blend_color;
 %rename(Blend) pipe_blend_state;
 %rename(Clip) pipe_clip_state;
 %rename(ConstantBuffer) pipe_constant_buffer;
+%rename(Depth) pipe_depth_state;
+%rename(Stencil) pipe_stencil_state;
+%rename(Alpha) pipe_alpha_state;
 %rename(DepthStencilAlpha) pipe_depth_stencil_alpha_state;
 %rename(FormatBlock) pipe_format_block;
 %rename(Framebuffer) pipe_framebuffer_state;
@@ -84,505 +87,13 @@
 %rename(VertexElement) pipe_vertex_element;
 %rename(Viewport) pipe_viewport_state;
 
-%nodefaultctor st_device;
-%nodefaultctor st_context;
-%nodefaultctor pipe_texture;
-%nodefaultctor pipe_surface;
-%nodefaultctor pipe_buffer;
-
-%nodefaultdtor st_device;
-%nodefaultdtor st_context;
-%nodefaultdtor pipe_texture;
-%nodefaultdtor pipe_surface;
-%nodefaultdtor pipe_buffer;
-
-%ignore pipe_texture::screen;
-
-%ignore pipe_surface::winsys;
-%immutable pipe_surface::texture;
-%immutable pipe_surface::buffer;
 
-%include "p_format.i";
+%include "p_compiler.i"
 %include "pipe/p_defines.h";
-%include "pipe/p_state.h";
-%include "pipe/p_shader_tokens.h";
-
-
-struct st_device {
-};
-
-struct st_context {
-};
-
-
-%newobject st_device::texture_create;
-%newobject st_device::context_create;
-%newobject st_device::buffer_create;
-
-%extend st_device {
-   
-   st_device(int hardware = 1) {
-      return st_device_create(hardware ? TRUE : FALSE);
-   }
-
-   ~st_device() {
-      st_device_destroy($self);
-   }
-   
-   const char * get_name( void ) {
-      return $self->screen->get_name($self->screen);
-   }
-
-   const char * get_vendor( void ) {
-      return $self->screen->get_vendor($self->screen);
-   }
-
-   /**
-    * Query an integer-valued capability/parameter/limit
-    * \param param  one of PIPE_CAP_x
-    */
-   int get_param( int param ) {
-      return $self->screen->get_param($self->screen, param);
-   }
-
-   /**
-    * Query a float-valued capability/parameter/limit
-    * \param param  one of PIPE_CAP_x
-    */
-   float get_paramf( int param ) {
-      return $self->screen->get_paramf($self->screen, param);
-   }
-
-   /**
-    * Check if the given pipe_format is supported as a texture or
-    * drawing surface.
-    * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
-    */
-   int is_format_supported( enum pipe_format format, 
-                            enum pipe_texture_target target,
-                            unsigned tex_usage, 
-                            unsigned geom_flags ) {
-      return $self->screen->is_format_supported( $self->screen, 
-                                                 format, 
-                                                 target, 
-                                                 tex_usage, 
-                                                 geom_flags );
-   }
-
-   struct st_context *
-   context_create(void) {
-      return st_context_create($self);
-   }
-
-   struct pipe_texture * 
-   texture_create(
-         enum pipe_format format,
-         unsigned width,
-         unsigned height,
-         unsigned depth = 1,
-         unsigned last_level = 0,
-         enum pipe_texture_target target = PIPE_TEXTURE_2D,
-         unsigned tex_usage = 0
-      ) {
-      struct pipe_texture templat;
-      memset(&templat, 0, sizeof(templat));
-      templat.format = format;
-      pf_get_block(templat.format, &templat.block);
-      templat.width[0] = width;
-      templat.height[0] = height;
-      templat.depth[0] = depth;
-      templat.last_level = last_level;
-      templat.target = target;
-      templat.tex_usage = tex_usage;
-      return $self->screen->texture_create($self->screen, &templat);
-   }
-   
-   struct pipe_buffer *
-   buffer_create(unsigned size, unsigned alignment = 0, unsigned usage = 0) {
-      return $self->screen->winsys->buffer_create($self->screen->winsys, alignment, usage, size);
-   }
-
-};
-
-
-%extend st_context {
-   
-   ~st_context() {
-      st_context_destroy($self);
-   }
-   
-   /*
-    * State functions (create/bind/destroy state objects)
-    */
-
-   void set_blend( const struct pipe_blend_state *state ) {
-      cso_set_blend($self->cso, state);
-   }
-   
-   void set_sampler( unsigned index, const struct pipe_sampler_state *state ) {
-      cso_single_sampler($self->cso, index, state);
-      cso_single_sampler_done($self->cso);
-   }
-
-   void set_rasterizer( const struct pipe_rasterizer_state *state ) {
-      cso_set_rasterizer($self->cso, state);
-   }
-
-   void set_depth_stencil_alpha(const struct pipe_depth_stencil_alpha_state *state) {
-      cso_set_depth_stencil_alpha($self->cso, state);
-   }
-
-   void set_fragment_shader( const struct pipe_shader_state *state ) {
-      void *fs;
-      
-      fs = $self->pipe->create_fs_state($self->pipe, state);
-      if(!fs)
-         return;
-      
-      if(cso_set_fragment_shader_handle($self->cso, fs) != PIPE_OK)
-         return;
-
-      cso_delete_fragment_shader($self->cso, $self->fs);
-      $self->fs = fs;
-   }
-
-   void set_vertex_shader( const struct pipe_shader_state *state ) {
-      void *vs;
-      
-      vs = $self->pipe->create_vs_state($self->pipe, state);
-      if(!vs)
-         return;
-      
-      if(cso_set_vertex_shader_handle($self->cso, vs) != PIPE_OK)
-         return;
-
-      cso_delete_vertex_shader($self->cso, $self->vs);
-      $self->vs = vs;
-   }
-
-   /*
-    * Parameter-like state (or properties)
-    */
-   
-   void set_blend_color(const struct pipe_blend_color *state ) {
-      cso_set_blend_color($self->cso, state);
-   }
-
-   void set_clip(const struct pipe_clip_state *state ) {
-      $self->pipe->set_clip_state($self->pipe, state);
-   }
-
-   void set_constant_buffer(unsigned shader, unsigned index,
-                            const struct pipe_constant_buffer *buf ) {
-      $self->pipe->set_constant_buffer($self->pipe, shader, index, buf);
-   }
-
-   void set_framebuffer(const struct pipe_framebuffer_state *state ) {
-      cso_set_framebuffer($self->cso, state);
-   }
-
-   void set_polygon_stipple(const struct pipe_poly_stipple *state ) {
-      $self->pipe->set_polygon_stipple($self->pipe, state);
-   }
-
-   void set_scissor(const struct pipe_scissor_state *state ) {
-      $self->pipe->set_scissor_state($self->pipe, state);
-   }
-
-   void set_viewport(const struct pipe_viewport_state *state) {
-      cso_set_viewport($self->cso, state);
-   }
-
-   void set_sampler_texture(unsigned index,
-                            struct pipe_texture *texture) {
-      if(!texture)
-         texture = $self->default_texture;
-      pipe_texture_reference(&$self->sampler_textures[index], texture);
-      $self->pipe->set_sampler_textures($self->pipe, 
-                                        PIPE_MAX_SAMPLERS,
-                                        $self->sampler_textures);
-   }
-
-   void set_vertex_buffer(unsigned index,
-                          const struct pipe_vertex_buffer *buffer) {
-      memcpy(&$self->vertex_buffers[index], buffer, sizeof(*buffer));
-      $self->pipe->set_vertex_buffers($self->pipe, PIPE_MAX_ATTRIBS, $self->vertex_buffers);
-   }
-
-   void set_vertex_element(unsigned index,
-                           const struct pipe_vertex_element *element) {
-      memcpy(&$self->vertex_elements[index], element, sizeof(*element));
-      $self->pipe->set_vertex_elements($self->pipe, PIPE_MAX_ATTRIBS, $self->vertex_elements);
-   }
-
-   /*
-    * Draw functions
-    */
-   
-   void draw_arrays(unsigned mode, unsigned start, unsigned count) {
-      $self->pipe->draw_arrays($self->pipe, mode, start, count);
-   }
-
-   void draw_elements( struct pipe_buffer *indexBuffer,
-                       unsigned indexSize,
-                       unsigned mode, unsigned start, unsigned count) {
-      $self->pipe->draw_elements($self->pipe, indexBuffer, indexSize, mode, start, count);
-   }
-
-   void draw_vertices(unsigned prim,
-                      unsigned num_verts,
-                      unsigned num_attribs,
-                      const float *vertices) 
-   {
-      struct pipe_context *pipe = $self->pipe;
-      struct pipe_winsys *winsys = pipe->winsys;
-      struct pipe_buffer *vbuf;
-      float *map;
-      unsigned size;
-
-      size = num_verts * num_attribs * 4 * sizeof(float);
-
-      vbuf = winsys->buffer_create(winsys,
-                                   32,
-                                   PIPE_BUFFER_USAGE_VERTEX, 
-                                   size);
-      if(!vbuf)
-         goto error1;
-      
-      map = winsys->buffer_map(winsys, vbuf, PIPE_BUFFER_USAGE_CPU_WRITE);
-      if (!map)
-         goto error2;
-      memcpy(map, vertices, size);
-      pipe->winsys->buffer_unmap(pipe->winsys, vbuf);
-      
-      util_draw_vertex_buffer(pipe, vbuf, prim, num_verts, num_attribs);
-      
-error2:
-      pipe_buffer_reference(pipe->winsys, &vbuf, NULL);
-error1:
-      ;
-   }
-   
-   void
-   flush(void) {
-      struct pipe_fence_handle *fence = NULL; 
-      $self->pipe->flush($self->pipe, 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 );
-   }
-
-   /*
-    * Surface functions
-    */
-   
-   void surface_copy(int do_flip,
-                     struct pipe_surface *dest,
-                     unsigned destx, unsigned desty,
-                     struct pipe_surface *src,
-                     unsigned srcx, unsigned srcy,
-                     unsigned width, unsigned height) {
-      $self->pipe->surface_copy($self->pipe, do_flip, dest, destx, desty, src, srcx, srcy, width, height);
-   }
-
-   void surface_fill(struct pipe_surface *dst,
-                     unsigned x, unsigned y,
-                     unsigned width, unsigned height,
-                     unsigned value) {
-      $self->pipe->surface_fill($self->pipe, dst, x, y, width, height, value);
-   }
-
-   void surface_clear(struct pipe_surface *surface, unsigned value = 0) {
-      $self->pipe->clear($self->pipe, surface, value);
-   }
-
-};
-
-
-%newobject pipe_texture::get_surface;
-
-%extend pipe_texture {
-   
-   ~pipe_texture() {
-      struct pipe_texture *ptr = $self;
-      pipe_texture_reference(&ptr, NULL);
-   }
-   
-   unsigned get_width(unsigned level=0) {
-      return $self->width[level];
-   }
-   
-   unsigned get_height(unsigned level=0) {
-      return $self->height[level];
-   }
-   
-   unsigned get_depth(unsigned level=0) {
-      return $self->depth[level];
-   }
-   
-   unsigned get_nblocksx(unsigned level=0) {
-      return $self->nblocksx[level];
-   }
-   
-   unsigned get_nblocksy(unsigned level=0) {
-      return $self->nblocksy[level];
-   }
-   
-   /** 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 pipe_screen *screen = $self->screen;
-      return screen->get_tex_surface(screen, $self, face, level, zslice, usage);
-   }
-   
-};
-
-
-%extend pipe_surface {
-   
-   ~pipe_surface() {
-      struct pipe_surface *ptr = $self;
-      pipe_surface_reference(&ptr, NULL);
-   }
-   
-   // gets mapped to pipe_surface_map automatically
-   void * map( unsigned flags );
-
-   // gets mapped to pipe_surface_unmap automatically
-   void unmap( void );
-
-   void
-   get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, unsigned char *raw, unsigned stride) {
-      pipe_get_tile_raw($self, x, y, w, h, raw, stride);
-   }
-
-   void
-   put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned char *raw, unsigned stride) {
-      pipe_put_tile_raw($self, x, y, w, h, raw, stride);
-   }
-
-   void
-   get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *rgba) {
-      pipe_get_tile_rgba($self, x, y, w, h, rgba);
-   }
-
-   void
-   put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba) {
-      pipe_put_tile_rgba($self, x, y, w, h, rgba);
-   }
-
-   void
-   get_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, unsigned *z) {
-      pipe_get_tile_z($self, x, y, w, h, z);
-   }
-
-   void
-   put_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned *z) {
-      pipe_put_tile_z($self, x, y, w, h, z);
-   }
-   
-   void
-   sample_rgba(float *rgba) {
-      st_sample_surface($self, rgba);
-   }
-   
-   unsigned
-   compare_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba, float tol = 0.0) 
-   {
-      float *rgba2;
-      const float *p1;
-      const float *p2;
-      unsigned i, j, n;
-      
-      rgba2 = MALLOC(h*w*4*sizeof(float));
-      if(!rgba2)
-         return ~0;
-
-      pipe_get_tile_rgba($self, x, y, w, h, rgba2);
-
-      p1 = rgba;
-      p2 = rgba2;
-      n = 0;
-      for(i = h*w; i; --i) {
-         unsigned differs = 0;
-         for(j = 4; j; --j) {
-            float delta = *p2++ - *p1++;
-            if (delta < -tol || delta > tol)
-                differs = 1;
-         }
-         n += differs;
-      }
-      
-      FREE(rgba2);
-      
-      return n;
-   }
-
-};
-
-
-%extend pipe_framebuffer_state {
-   
-   pipe_framebuffer_state(void) {
-      return CALLOC_STRUCT(pipe_framebuffer_state);
-   }
-   
-   ~pipe_framebuffer_state() {
-      unsigned index;
-      for(index = 0; index < PIPE_MAX_COLOR_BUFS; ++index)
-         pipe_surface_reference(&$self->cbufs[index], NULL);
-      pipe_surface_reference(&$self->zsbuf, NULL);
-      FREE($self);
-   }
-   
-   void
-   set_cbuf(unsigned index, struct pipe_surface *surface) {
-      pipe_surface_reference(&$self->cbufs[index], surface);
-   }
-   
-   void
-   set_zsbuf(struct pipe_surface *surface) {
-      pipe_surface_reference(&$self->zsbuf, surface);
-   }
-   
-};
-
+%include "p_format.i"
 
-%extend pipe_shader_state {
-   
-   pipe_shader_state(const char *text, unsigned num_tokens = 1024) {
-      struct tgsi_token *tokens;
-      struct pipe_shader_state *shader;
-      
-      tokens = MALLOC(num_tokens * sizeof(struct tgsi_token));
-      if(!tokens)
-         goto error1;
-      
-      if(tgsi_text_translate(text, tokens, num_tokens ) != TRUE)
-         goto error2;
-      
-      shader = CALLOC_STRUCT(pipe_shader_state);
-      if(!shader)
-         goto error3;
-      
-      shader->tokens = tokens;
-      
-      return shader;
-      
-error3:
-error2:
-      FREE(tokens);
-error1:      
-      return NULL;
-   }
-   
-   ~pipe_shader_state() {
-      FREE((void*)$self->tokens);
-      FREE($self);
-   }
+%include "p_device.i"
+%include "p_context.i"
+%include "p_texture.i"
+%include "p_state.i"
 
-   void dump(unsigned flags = 0) {
-      tgsi_dump($self->tokens, flags);
-   }
-}
\ No newline at end of file
diff --git a/src/gallium/state_trackers/python/p_compiler.i b/src/gallium/state_trackers/python/p_compiler.i
new file mode 100644
index 00000000000..15f6ba5b9db
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_compiler.i
@@ -0,0 +1,29 @@
+ /**************************************************************************
+ * 
+ * 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 TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+
+
+typedef unsigned char ubyte;
diff --git a/src/gallium/state_trackers/python/p_context.i b/src/gallium/state_trackers/python/p_context.i
new file mode 100644
index 00000000000..521a2dee075
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_context.i
@@ -0,0 +1,257 @@
+ /**************************************************************************
+ * 
+ * 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 TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+
+/**
+ * @file
+ * SWIG interface definion for Gallium types.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+%nodefaultctor st_context;
+%nodefaultdtor st_context;
+
+struct st_context {
+};
+
+%extend st_context {
+   
+   ~st_context() {
+      st_context_destroy($self);
+   }
+   
+   /*
+    * State functions (create/bind/destroy state objects)
+    */
+
+   void set_blend( const struct pipe_blend_state *state ) {
+      cso_set_blend($self->cso, state);
+   }
+   
+   void set_sampler( unsigned index, const struct pipe_sampler_state *state ) {
+      cso_single_sampler($self->cso, index, state);
+      cso_single_sampler_done($self->cso);
+   }
+
+   void set_rasterizer( const struct pipe_rasterizer_state *state ) {
+      cso_set_rasterizer($self->cso, state);
+   }
+
+   void set_depth_stencil_alpha(const struct pipe_depth_stencil_alpha_state *state) {
+      cso_set_depth_stencil_alpha($self->cso, state);
+   }
+
+   void set_fragment_shader( const struct pipe_shader_state *state ) {
+      void *fs;
+      
+      fs = $self->pipe->create_fs_state($self->pipe, state);
+      if(!fs)
+         return;
+      
+      if(cso_set_fragment_shader_handle($self->cso, fs) != PIPE_OK)
+         return;
+
+      cso_delete_fragment_shader($self->cso, $self->fs);
+      $self->fs = fs;
+   }
+
+   void set_vertex_shader( const struct pipe_shader_state *state ) {
+      void *vs;
+      
+      vs = $self->pipe->create_vs_state($self->pipe, state);
+      if(!vs)
+         return;
+      
+      if(cso_set_vertex_shader_handle($self->cso, vs) != PIPE_OK)
+         return;
+
+      cso_delete_vertex_shader($self->cso, $self->vs);
+      $self->vs = vs;
+   }
+
+   /*
+    * Parameter-like state (or properties)
+    */
+   
+   void set_blend_color(const struct pipe_blend_color *state ) {
+      cso_set_blend_color($self->cso, state);
+   }
+
+   void set_clip(const struct pipe_clip_state *state ) {
+      $self->pipe->set_clip_state($self->pipe, state);
+   }
+
+   void set_constant_buffer(unsigned shader, unsigned index,
+                            struct st_buffer *buffer ) 
+   {
+      struct pipe_constant_buffer state;
+      memset(&state, 0, sizeof(state));
+      state.buffer = buffer->buffer;
+      state.size = buffer->buffer->size;
+      $self->pipe->set_constant_buffer($self->pipe, shader, index, &state);
+   }
+
+   void set_framebuffer(const struct pipe_framebuffer_state *state ) {
+      cso_set_framebuffer($self->cso, state);
+   }
+
+   void set_polygon_stipple(const struct pipe_poly_stipple *state ) {
+      $self->pipe->set_polygon_stipple($self->pipe, state);
+   }
+
+   void set_scissor(const struct pipe_scissor_state *state ) {
+      $self->pipe->set_scissor_state($self->pipe, state);
+   }
+
+   void set_viewport(const struct pipe_viewport_state *state) {
+      cso_set_viewport($self->cso, state);
+   }
+
+   void set_sampler_texture(unsigned index,
+                            struct pipe_texture *texture) {
+      if(!texture)
+         texture = $self->default_texture;
+      pipe_texture_reference(&$self->sampler_textures[index], texture);
+      $self->pipe->set_sampler_textures($self->pipe, 
+                                        PIPE_MAX_SAMPLERS,
+                                        $self->sampler_textures);
+   }
+
+   void set_vertex_buffer(unsigned index,
+                          unsigned pitch, 
+                          unsigned max_index,
+                          unsigned buffer_offset,
+                          struct st_buffer *buffer)
+   {
+      unsigned i, num_vertex_buffers;
+      struct pipe_vertex_buffer state;
+      
+      memset(&state, 0, sizeof(state));
+      state.pitch = pitch;
+      state.max_index = max_index;
+      state.buffer_offset = buffer_offset;
+      state.buffer = buffer->buffer;
+
+      memcpy(&$self->vertex_buffers[index], &state, sizeof(state));
+      
+      for(i = 0; i < PIPE_MAX_ATTRIBS; ++i)
+         if(self->vertex_buffers[i].buffer)
+            num_vertex_buffers = i + 1;
+      
+      $self->pipe->set_vertex_buffers($self->pipe, 
+                                      num_vertex_buffers, 
+                                      $self->vertex_buffers);
+   }
+
+   void set_vertex_element(unsigned index,
+                           const struct pipe_vertex_element *element) {
+      memcpy(&$self->vertex_elements[index], element, sizeof(*element));
+      $self->pipe->set_vertex_elements($self->pipe, PIPE_MAX_ATTRIBS, $self->vertex_elements);
+   }
+
+   /*
+    * Draw functions
+    */
+   
+   void draw_arrays(unsigned mode, unsigned start, unsigned count) {
+      $self->pipe->draw_arrays($self->pipe, mode, start, count);
+   }
+
+   void draw_elements( struct st_buffer *indexBuffer,
+                       unsigned indexSize,
+                       unsigned mode, unsigned start, unsigned count) {
+      $self->pipe->draw_elements($self->pipe, indexBuffer->buffer, indexSize, mode, start, count);
+   }
+
+   void draw_vertices(unsigned prim,
+                      unsigned num_verts,
+                      unsigned num_attribs,
+                      const float *vertices) 
+   {
+      struct pipe_context *pipe = $self->pipe;
+      struct pipe_winsys *winsys = pipe->winsys;
+      struct pipe_buffer *vbuf;
+      float *map;
+      unsigned size;
+
+      size = num_verts * num_attribs * 4 * sizeof(float);
+
+      vbuf = winsys->buffer_create(winsys,
+                                   32,
+                                   PIPE_BUFFER_USAGE_VERTEX, 
+                                   size);
+      if(!vbuf)
+         goto error1;
+      
+      map = winsys->buffer_map(winsys, vbuf, PIPE_BUFFER_USAGE_CPU_WRITE);
+      if (!map)
+         goto error2;
+      memcpy(map, vertices, size);
+      pipe->winsys->buffer_unmap(pipe->winsys, vbuf);
+      
+      util_draw_vertex_buffer(pipe, vbuf, prim, num_verts, num_attribs);
+      
+error2:
+      pipe_buffer_reference(pipe->winsys, &vbuf, NULL);
+error1:
+      ;
+   }
+   
+   void
+   flush(void) {
+      struct pipe_fence_handle *fence = NULL; 
+      $self->pipe->flush($self->pipe, 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 );
+   }
+
+   /*
+    * Surface functions
+    */
+   
+   void surface_copy(int do_flip,
+                     struct pipe_surface *dest,
+                     unsigned destx, unsigned desty,
+                     struct pipe_surface *src,
+                     unsigned srcx, unsigned srcy,
+                     unsigned width, unsigned height) {
+      $self->pipe->surface_copy($self->pipe, do_flip, dest, destx, desty, src, srcx, srcy, width, height);
+   }
+
+   void surface_fill(struct pipe_surface *dst,
+                     unsigned x, unsigned y,
+                     unsigned width, unsigned height,
+                     unsigned value) {
+      $self->pipe->surface_fill($self->pipe, dst, x, y, width, height, value);
+   }
+
+   void surface_clear(struct pipe_surface *surface, unsigned value = 0) {
+      $self->pipe->clear($self->pipe, surface, value);
+   }
+
+};
diff --git a/src/gallium/state_trackers/python/p_device.i b/src/gallium/state_trackers/python/p_device.i
new file mode 100644
index 00000000000..84fd2e4349b
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_device.i
@@ -0,0 +1,130 @@
+ /**************************************************************************
+ * 
+ * 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 TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+
+/**
+ * @file
+ * SWIG interface definion for Gallium types.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+
+%nodefaultctor st_device;
+%nodefaultdtor st_device;
+
+
+struct st_device {
+};
+
+%newobject st_device::texture_create;
+%newobject st_device::context_create;
+%newobject st_device::buffer_create;
+
+%extend st_device {
+   
+   st_device(int hardware = 1) {
+      return st_device_create(hardware ? TRUE : FALSE);
+   }
+
+   ~st_device() {
+      st_device_destroy($self);
+   }
+   
+   const char * get_name( void ) {
+      return $self->screen->get_name($self->screen);
+   }
+
+   const char * get_vendor( void ) {
+      return $self->screen->get_vendor($self->screen);
+   }
+
+   /**
+    * Query an integer-valued capability/parameter/limit
+    * \param param  one of PIPE_CAP_x
+    */
+   int get_param( int param ) {
+      return $self->screen->get_param($self->screen, param);
+   }
+
+   /**
+    * Query a float-valued capability/parameter/limit
+    * \param param  one of PIPE_CAP_x
+    */
+   float get_paramf( int param ) {
+      return $self->screen->get_paramf($self->screen, param);
+   }
+
+   /**
+    * Check if the given pipe_format is supported as a texture or
+    * drawing surface.
+    * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
+    */
+   int is_format_supported( enum pipe_format format, 
+                            enum pipe_texture_target target,
+                            unsigned tex_usage, 
+                            unsigned geom_flags ) {
+      return $self->screen->is_format_supported( $self->screen, 
+                                                 format, 
+                                                 target, 
+                                                 tex_usage, 
+                                                 geom_flags );
+   }
+
+   struct st_context *
+   context_create(void) {
+      return st_context_create($self);
+   }
+
+   struct pipe_texture * 
+   texture_create(
+         enum pipe_format format,
+         unsigned width,
+         unsigned height,
+         unsigned depth = 1,
+         unsigned last_level = 0,
+         enum pipe_texture_target target = PIPE_TEXTURE_2D,
+         unsigned tex_usage = 0
+      ) {
+      struct pipe_texture templat;
+      memset(&templat, 0, sizeof(templat));
+      templat.format = format;
+      pf_get_block(templat.format, &templat.block);
+      templat.width[0] = width;
+      templat.height[0] = height;
+      templat.depth[0] = depth;
+      templat.last_level = last_level;
+      templat.target = target;
+      templat.tex_usage = tex_usage;
+      return $self->screen->texture_create($self->screen, &templat);
+   }
+   
+   struct st_buffer *
+   buffer_create(unsigned size, unsigned alignment = 0, unsigned usage = 0) {
+      return st_buffer_create($self, alignment, usage, size);
+   }
+
+};
diff --git a/src/gallium/state_trackers/python/p_state.i b/src/gallium/state_trackers/python/p_state.i
new file mode 100644
index 00000000000..9834229b4b5
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_state.i
@@ -0,0 +1,103 @@
+ /**************************************************************************
+ * 
+ * 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 TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+
+/**
+ * @file
+ * SWIG interface definion for Gallium types.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+%module gallium;
+
+%include "pipe/p_state.h";
+
+
+%extend pipe_framebuffer_state {
+   
+   pipe_framebuffer_state(void) {
+      return CALLOC_STRUCT(pipe_framebuffer_state);
+   }
+   
+   ~pipe_framebuffer_state() {
+      unsigned index;
+      for(index = 0; index < PIPE_MAX_COLOR_BUFS; ++index)
+         pipe_surface_reference(&$self->cbufs[index], NULL);
+      pipe_surface_reference(&$self->zsbuf, NULL);
+      FREE($self);
+   }
+   
+   void
+   set_cbuf(unsigned index, struct pipe_surface *surface) {
+      pipe_surface_reference(&$self->cbufs[index], surface);
+   }
+   
+   void
+   set_zsbuf(struct pipe_surface *surface) {
+      pipe_surface_reference(&$self->zsbuf, surface);
+   }
+   
+};
+
+
+%extend pipe_shader_state {
+   
+   pipe_shader_state(const char *text, unsigned num_tokens = 1024) {
+      struct tgsi_token *tokens;
+      struct pipe_shader_state *shader;
+      
+      tokens = MALLOC(num_tokens * sizeof(struct tgsi_token));
+      if(!tokens)
+         goto error1;
+      
+      if(tgsi_text_translate(text, tokens, num_tokens ) != TRUE)
+         goto error2;
+      
+      shader = CALLOC_STRUCT(pipe_shader_state);
+      if(!shader)
+         goto error3;
+      
+      shader->tokens = tokens;
+      
+      return shader;
+      
+error3:
+error2:
+      FREE(tokens);
+error1:      
+      return NULL;
+   }
+   
+   ~pipe_shader_state() {
+      FREE((void*)$self->tokens);
+      FREE($self);
+   }
+
+   void dump(unsigned flags = 0) {
+      tgsi_dump($self->tokens, flags);
+   }
+}
diff --git a/src/gallium/state_trackers/python/p_texture.i b/src/gallium/state_trackers/python/p_texture.i
new file mode 100644
index 00000000000..fd38e0733fb
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_texture.i
@@ -0,0 +1,192 @@
+ /**************************************************************************
+ * 
+ * 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 TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+
+/**
+ * @file
+ * SWIG interface definion for Gallium types.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+
+%nodefaultctor pipe_texture;
+%nodefaultctor pipe_surface;
+%nodefaultctor st_buffer;
+
+%nodefaultdtor pipe_texture;
+%nodefaultdtor pipe_surface;
+%nodefaultdtor st_buffer;
+
+%ignore pipe_texture::screen;
+
+%ignore pipe_surface::winsys;
+%immutable pipe_surface::texture;
+%immutable pipe_surface::buffer;
+
+%newobject pipe_texture::get_surface;
+
+
+%extend pipe_texture {
+   
+   ~pipe_texture() {
+      struct pipe_texture *ptr = $self;
+      pipe_texture_reference(&ptr, NULL);
+   }
+   
+   unsigned get_width(unsigned level=0) {
+      return $self->width[level];
+   }
+   
+   unsigned get_height(unsigned level=0) {
+      return $self->height[level];
+   }
+   
+   unsigned get_depth(unsigned level=0) {
+      return $self->depth[level];
+   }
+   
+   unsigned get_nblocksx(unsigned level=0) {
+      return $self->nblocksx[level];
+   }
+   
+   unsigned get_nblocksy(unsigned level=0) {
+      return $self->nblocksy[level];
+   }
+   
+   /** 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 pipe_screen *screen = $self->screen;
+      return screen->get_tex_surface(screen, $self, face, level, zslice, usage);
+   }
+   
+};
+
+
+%extend pipe_surface {
+   
+   ~pipe_surface() {
+      struct pipe_surface *ptr = $self;
+      pipe_surface_reference(&ptr, NULL);
+   }
+   
+   // gets mapped to pipe_surface_map automatically
+   void * map( unsigned flags );
+
+   // gets mapped to pipe_surface_unmap automatically
+   void unmap( void );
+
+   void
+   get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, unsigned char *raw, unsigned stride) {
+      pipe_get_tile_raw($self, x, y, w, h, raw, stride);
+   }
+
+   void
+   put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned char *raw, unsigned stride) {
+      pipe_put_tile_raw($self, x, y, w, h, raw, stride);
+   }
+
+   void
+   get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *rgba) {
+      pipe_get_tile_rgba($self, x, y, w, h, rgba);
+   }
+
+   void
+   put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba) {
+      pipe_put_tile_rgba($self, x, y, w, h, rgba);
+   }
+
+   void
+   get_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, unsigned *z) {
+      pipe_get_tile_z($self, x, y, w, h, z);
+   }
+
+   void
+   put_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned *z) {
+      pipe_put_tile_z($self, x, y, w, h, z);
+   }
+   
+   void
+   sample_rgba(float *rgba) {
+      st_sample_surface($self, rgba);
+   }
+   
+   unsigned
+   compare_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba, float tol = 0.0) 
+   {
+      float *rgba2;
+      const float *p1;
+      const float *p2;
+      unsigned i, j, n;
+      
+      rgba2 = MALLOC(h*w*4*sizeof(float));
+      if(!rgba2)
+         return ~0;
+
+      pipe_get_tile_rgba($self, x, y, w, h, rgba2);
+
+      p1 = rgba;
+      p2 = rgba2;
+      n = 0;
+      for(i = h*w; i; --i) {
+         unsigned differs = 0;
+         for(j = 4; j; --j) {
+            float delta = *p2++ - *p1++;
+            if (delta < -tol || delta > tol)
+                differs = 1;
+         }
+         n += differs;
+      }
+      
+      FREE(rgba2);
+      
+      return n;
+   }
+
+};
+
+struct st_buffer {
+};
+
+%extend st_buffer {
+   
+   ~st_buffer() {
+      st_buffer_destroy($self);
+   }
+   
+   void write( const char *STRING, unsigned LENGTH, unsigned offset = 0) {
+      struct pipe_winsys *winsys = $self->st_dev->screen->winsys;
+      char *map;
+      
+      map = winsys->buffer_map(winsys, $self->buffer, PIPE_BUFFER_USAGE_CPU_WRITE);
+      if(!map) {
+         memcpy(map + offset, STRING, LENGTH);
+         winsys->buffer_unmap(winsys, $self->buffer);
+      }
+   }
+};
diff --git a/src/gallium/state_trackers/python/st_device.c b/src/gallium/state_trackers/python/st_device.c
index 2e53a83eea9..fbd56712e01 100644
--- a/src/gallium/state_trackers/python/st_device.c
+++ b/src/gallium/state_trackers/python/st_device.c
@@ -266,3 +266,36 @@ st_context_create(struct st_device *st_dev)
 
    return st_ctx;
 }
+
+
+void
+st_buffer_destroy(struct st_buffer *st_buf)
+{
+   if(st_buf) {
+      struct pipe_winsys *winsys = st_buf->st_dev->screen->winsys;
+      pipe_buffer_reference(winsys, &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_winsys *winsys = st_dev->screen->winsys;
+   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 = winsys->buffer_create(winsys, alignment, usage, size);
+   if(!st_buf->buffer)
+      st_buffer_destroy(st_buf);
+   
+   return st_buf;
+}
+
diff --git a/src/gallium/state_trackers/python/st_device.h b/src/gallium/state_trackers/python/st_device.h
index 2d95c2da731..5b7adbe1a0b 100644
--- a/src/gallium/state_trackers/python/st_device.h
+++ b/src/gallium/state_trackers/python/st_device.h
@@ -38,6 +38,13 @@ struct pipe_context;
 struct st_winsys; 
 
 
+struct st_buffer {
+   struct st_device *st_dev;
+   
+   struct pipe_buffer *buffer;
+};
+
+
 struct st_context {
    struct st_device *st_dev;
    
@@ -65,6 +72,13 @@ 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);
+
 struct st_context *
 st_context_create(struct st_device *st_dev);