Merge branch '7.8' into master
[mesa.git] / src / gallium / drivers / llvmpipe / lp_setup.c
index d976934a5dd47a9757f1b7a72465438b10e67298..cd16b6b2d38783010e3494964a87642cbb208486 100644 (file)
  */
 
 #include "pipe/p_defines.h"
-#include "pipe/p_inlines.h"
+#include "util/u_inlines.h"
 #include "util/u_memory.h"
 #include "util/u_pack_color.h"
-#include "lp_bin.h"
-#include "lp_bin_queue.h"
-#include "lp_debug.h"
-#include "lp_state.h"
+#include "util/u_surface.h"
+#include "lp_scene.h"
+#include "lp_scene_queue.h"
 #include "lp_buffer.h"
 #include "lp_texture.h"
+#include "lp_debug.h"
+#include "lp_fence.h"
+#include "lp_rast.h"
 #include "lp_setup_context.h"
+#include "lp_screen.h"
+#include "state_tracker/sw_winsys.h"
 
+#include "draw/draw_context.h"
+#include "draw/draw_vbuf.h"
 
-/** XXX temporary value, temporary here */
-#define MAX_BINS 2
 
+static void set_scene_state( struct lp_setup_context *, unsigned );
 
-static void set_state( struct setup_context *, unsigned );
 
-
-struct lp_bins *
-lp_setup_get_current_bins(struct setup_context *setup)
+struct lp_scene *
+lp_setup_get_current_scene(struct lp_setup_context *setup)
 {
-   if (!setup->bins) {
-      /* wait for a free/empty bin */
-      setup->bins = lp_bins_dequeue(setup->empty_bins);
-      if(0)lp_reset_bins( setup->bins ); /* XXX temporary? */
-
-      if (setup->fb) {
-         lp_bin_set_framebuffer_size(setup->bins,
-                                     setup->fb->width, setup->fb->height);
-      }
+   if (!setup->scene) {
+
+      /* wait for a free/empty scene
+       */
+      setup->scene = lp_scene_dequeue(setup->empty_scenes, TRUE);
+
+      assert(lp_scene_is_empty(setup->scene));
+
+      lp_scene_begin_binning(setup->scene,
+                             &setup->fb );
    }
-   return setup->bins;
+   return setup->scene;
 }
 
 
 static void
-first_triangle( struct setup_context *setup,
+first_triangle( struct lp_setup_context *setup,
                 const float (*v0)[4],
                 const float (*v1)[4],
                 const float (*v2)[4])
 {
-   set_state( setup, SETUP_ACTIVE );
+   set_scene_state( setup, SETUP_ACTIVE );
    lp_setup_choose_triangle( setup );
    setup->triangle( setup, v0, v1, v2 );
 }
 
 static void
-first_line( struct setup_context *setup,
+first_line( struct lp_setup_context *setup,
            const float (*v0)[4],
            const float (*v1)[4])
 {
-   set_state( setup, SETUP_ACTIVE );
+   set_scene_state( setup, SETUP_ACTIVE );
    lp_setup_choose_line( setup );
    setup->line( setup, v0, v1 );
 }
 
 static void
-first_point( struct setup_context *setup,
+first_point( struct lp_setup_context *setup,
             const float (*v0)[4])
 {
-   set_state( setup, SETUP_ACTIVE );
+   set_scene_state( setup, SETUP_ACTIVE );
    lp_setup_choose_point( setup );
    setup->point( setup, v0 );
 }
 
-static void reset_context( struct setup_context *setup )
+static void reset_context( struct lp_setup_context *setup )
 {
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
@@ -110,7 +114,7 @@ static void reset_context( struct setup_context *setup )
    setup->dirty = ~0;
 
    /* no current bin */
-   setup->bins = NULL;
+   setup->scene = NULL;
 
    /* Reset some state:
     */
@@ -125,17 +129,16 @@ static void reset_context( struct setup_context *setup )
 }
 
 
-/** Rasterize all tile's bins */
+/** Rasterize all scene's bins */
 static void
-rasterize_bins( struct setup_context *setup,
-                boolean write_depth )
+lp_setup_rasterize_scene( struct lp_setup_context *setup,
+                          boolean write_depth )
 {
-   struct lp_bins *bins = lp_setup_get_current_bins(setup);
+   struct lp_scene *scene = lp_setup_get_current_scene(setup);
 
-   lp_rasterize_bins(setup->rast,
-                     bins,
-                     setup->fb,
-                     write_depth);
+   lp_scene_rasterize(scene,
+                      setup->rast,
+                      write_depth);
 
    reset_context( setup );
 
@@ -145,32 +148,30 @@ rasterize_bins( struct setup_context *setup,
 
 
 static void
-begin_binning( struct setup_context *setup )
+begin_binning( struct lp_setup_context *setup )
 {
-   struct lp_bins *bins = lp_setup_get_current_bins(setup);
+   struct lp_scene *scene = lp_setup_get_current_scene(setup);
 
-   LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
+   LP_DBG(DEBUG_SETUP, "%s color: %s depth: %s\n", __FUNCTION__,
+          (setup->clear.flags & PIPE_CLEAR_COLOR) ? "clear": "load",
+          (setup->clear.flags & PIPE_CLEAR_DEPTHSTENCIL) ? "clear": "load");
 
-   if (setup->fb->cbufs[0]) {
+   if (setup->fb.nr_cbufs) {
       if (setup->clear.flags & PIPE_CLEAR_COLOR)
-         lp_bin_everywhere( bins
-                            lp_rast_clear_color, 
-                            setup->clear.color );
+         lp_scene_bin_everywhere( scene
+                                 lp_rast_clear_color, 
+                                 setup->clear.color );
       else
-         lp_bin_everywhere( bins,
-                            lp_rast_load_color,
-                            lp_rast_arg_null() );
+         lp_scene_bin_everywhere( scene,
+                                 lp_rast_load_color,
+                                 lp_rast_arg_null() );
    }
 
-   if (setup->fb->zsbuf) {
+   if (setup->fb.zsbuf) {
       if (setup->clear.flags & PIPE_CLEAR_DEPTHSTENCIL)
-         lp_bin_everywhere( bins, 
-                            lp_rast_clear_zstencil, 
-                            setup->clear.zstencil );
-      else
-         lp_bin_everywhere( bins,
-                            lp_rast_load_zstencil,
-                            lp_rast_arg_null() );
+         lp_scene_bin_everywhere( scene, 
+                                 lp_rast_clear_zstencil, 
+                                 setup->clear.zstencil );
    }
 
    LP_DBG(DEBUG_SETUP, "%s done\n", __FUNCTION__);
@@ -183,17 +184,17 @@ begin_binning( struct setup_context *setup )
  * TODO: fast path for fullscreen clears and no triangles.
  */
 static void
-execute_clears( struct setup_context *setup )
+execute_clears( struct lp_setup_context *setup )
 {
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
    begin_binning( setup );
-   rasterize_bins( setup, TRUE );
+   lp_setup_rasterize_scene( setup, TRUE );
 }
 
 
 static void
-set_state( struct setup_context *setup,
+set_scene_state( struct lp_setup_context *setup,
            unsigned new_state )
 {
    unsigned old_state = setup->state;
@@ -219,7 +220,7 @@ set_state( struct setup_context *setup,
       if (old_state == SETUP_CLEARED)
          execute_clears( setup );
       else
-         rasterize_bins( setup, TRUE );
+         lp_setup_rasterize_scene( setup, TRUE );
       break;
    }
 
@@ -228,39 +229,40 @@ set_state( struct setup_context *setup,
 
 
 void
-lp_setup_flush( struct setup_context *setup,
+lp_setup_flush( struct lp_setup_context *setup,
                 unsigned flags )
 {
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
-   set_state( setup, SETUP_FLUSHED );
+   set_scene_state( setup, SETUP_FLUSHED );
 }
 
 
 void
-lp_setup_bind_framebuffer( struct setup_context *setup,
+lp_setup_bind_framebuffer( struct lp_setup_context *setup,
                            const struct pipe_framebuffer_state *fb )
 {
-   struct lp_bins *bins = lp_setup_get_current_bins(setup);
-
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
-   set_state( setup, SETUP_FLUSHED );
-
-   setup->fb = fb;
+   /* Flush any old scene.
+    */
+   set_scene_state( setup, SETUP_FLUSHED );
 
-   lp_bin_set_framebuffer_size(bins, setup->fb->width, setup->fb->height);
+   /* Set new state.  This will be picked up later when we next need a
+    * scene.
+    */
+   util_copy_framebuffer_state(&setup->fb, fb);
 }
 
 
 void
-lp_setup_clear( struct setup_context *setup,
+lp_setup_clear( struct lp_setup_context *setup,
                 const float *color,
                 double depth,
                 unsigned stencil,
                 unsigned flags )
 {
-   struct lp_bins *bins = lp_setup_get_current_bins(setup);
+   struct lp_scene *scene = lp_setup_get_current_scene(setup);
    unsigned i;
 
    LP_DBG(DEBUG_SETUP, "%s state %d\n", __FUNCTION__, setup->state);
@@ -273,27 +275,27 @@ lp_setup_clear( struct setup_context *setup,
 
    if (flags & PIPE_CLEAR_DEPTHSTENCIL) {
       setup->clear.zstencil.clear_zstencil = 
-         util_pack_z_stencil(setup->fb->zsbuf->format, 
+         util_pack_z_stencil(setup->fb.zsbuf->format, 
                              depth,
                              stencil);
    }
 
    if (setup->state == SETUP_ACTIVE) {
-      /* Add the clear to existing bins.  In the unusual case where
+      /* Add the clear to existing scene.  In the unusual case where
        * both color and depth-stencil are being cleared when there's
        * already been some rendering, we could discard the currently
        * binned scene and start again, but I don't see that as being
        * a common usage.
        */
       if (flags & PIPE_CLEAR_COLOR)
-         lp_bin_everywhere( bins
-                            lp_rast_clear_color, 
-                            setup->clear.color );
+         lp_scene_bin_everywhere( scene
+                                  lp_rast_clear_color,
+                                  setup->clear.color );
 
       if (setup->clear.flags & PIPE_CLEAR_DEPTHSTENCIL)
-         lp_bin_everywhere( bins
-                            lp_rast_clear_zstencil, 
-                            setup->clear.zstencil );
+         lp_scene_bin_everywhere( scene
+                                  lp_rast_clear_zstencil,
+                                  setup->clear.zstencil );
    }
    else {
       /* Put ourselves into the 'pre-clear' state, specifically to try
@@ -301,30 +303,56 @@ lp_setup_clear( struct setup_context *setup,
        * buffers which the app or state-tracker might issue
        * separately.
        */
-      set_state( setup, SETUP_CLEARED );
+      set_scene_state( setup, SETUP_CLEARED );
 
       setup->clear.flags |= flags;
    }
 }
 
 
+/**
+ * Emit a fence.
+ */
+struct pipe_fence_handle *
+lp_setup_fence( struct lp_setup_context *setup )
+{
+   struct lp_scene *scene = lp_setup_get_current_scene(setup);
+   const unsigned rank = lp_scene_get_num_bins( scene ); /* xxx */
+   struct lp_fence *fence = lp_fence_create(rank);
+
+   LP_DBG(DEBUG_SETUP, "%s rank %u\n", __FUNCTION__, rank);
+
+   set_scene_state( setup, SETUP_ACTIVE );
+
+   /* insert the fence into all command bins */
+   lp_scene_bin_everywhere( scene,
+                           lp_rast_fence,
+                           lp_rast_arg_fence(fence) );
+
+   return (struct pipe_fence_handle *) fence;
+}
+
 
 void 
-lp_setup_set_triangle_state( struct setup_context *setup,
+lp_setup_set_triangle_state( struct lp_setup_context *setup,
                              unsigned cull_mode,
-                             boolean ccw_is_frontface)
+                             boolean ccw_is_frontface,
+                             boolean scissor,
+                             boolean gl_rasterization_rules)
 {
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
    setup->ccw_is_frontface = ccw_is_frontface;
    setup->cullmode = cull_mode;
    setup->triangle = first_triangle;
+   setup->scissor_test = scissor;
+   setup->pixel_offset = gl_rasterization_rules ? 0.5f : 0.0f;
 }
 
 
 
 void
-lp_setup_set_fs_inputs( struct setup_context *setup,
+lp_setup_set_fs_inputs( struct lp_setup_context *setup,
                         const struct lp_shader_input *input,
                         unsigned nr )
 {
@@ -335,18 +363,22 @@ lp_setup_set_fs_inputs( struct setup_context *setup,
 }
 
 void
-lp_setup_set_fs( struct setup_context *setup,
-                 struct lp_fragment_shader *fs )
+lp_setup_set_fs_functions( struct lp_setup_context *setup,
+                           lp_jit_frag_func jit_function0,
+                           lp_jit_frag_func jit_function1,
+                           boolean opaque )
 {
-   LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) fs);
+   LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) jit_function0);
    /* FIXME: reference count */
 
-   setup->fs.current.jit_function = fs ? fs->current->jit_function : NULL;
+   setup->fs.current.jit_function[0] = jit_function0;
+   setup->fs.current.jit_function[1] = jit_function1;
+   setup->fs.current.opaque = opaque;
    setup->dirty |= LP_SETUP_NEW_FS;
 }
 
 void
-lp_setup_set_fs_constants(struct setup_context *setup,
+lp_setup_set_fs_constants(struct lp_setup_context *setup,
                           struct pipe_buffer *buffer)
 {
    LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) buffer);
@@ -358,7 +390,7 @@ lp_setup_set_fs_constants(struct setup_context *setup,
 
 
 void
-lp_setup_set_alpha_ref_value( struct setup_context *setup,
+lp_setup_set_alpha_ref_value( struct lp_setup_context *setup,
                               float alpha_ref_value )
 {
    LP_DBG(DEBUG_SETUP, "%s %f\n", __FUNCTION__, alpha_ref_value);
@@ -370,7 +402,7 @@ lp_setup_set_alpha_ref_value( struct setup_context *setup,
 }
 
 void
-lp_setup_set_blend_color( struct setup_context *setup,
+lp_setup_set_blend_color( struct lp_setup_context *setup,
                           const struct pipe_blend_color *blend_color )
 {
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
@@ -383,56 +415,139 @@ lp_setup_set_blend_color( struct setup_context *setup,
    }
 }
 
+
 void
-lp_setup_set_sampler_textures( struct setup_context *setup,
-                               unsigned num, struct pipe_texture **texture)
+lp_setup_set_scissor( struct lp_setup_context *setup,
+                      const struct pipe_scissor_state *scissor )
+{
+   LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
+
+   assert(scissor);
+
+   if (memcmp(&setup->scissor.current, scissor, sizeof(*scissor)) != 0) {
+      setup->scissor.current = *scissor; /* struct copy */
+      setup->dirty |= LP_SETUP_NEW_SCISSOR;
+   }
+}
+
+
+void 
+lp_setup_set_flatshade_first( struct lp_setup_context *setup,
+                              boolean flatshade_first )
+{
+   setup->flatshade_first = flatshade_first;
+}
+
+
+void 
+lp_setup_set_vertex_info( struct lp_setup_context *setup,
+                          struct vertex_info *vertex_info )
+{
+   /* XXX: just silently holding onto the pointer:
+    */
+   setup->vertex_info = vertex_info;
+}
+
+
+/**
+ * Called during state validation when LP_NEW_SAMPLER_VIEW is set.
+ */
+void
+lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup,
+                                    unsigned num,
+                                    struct pipe_sampler_view **views)
 {
-   struct pipe_texture *dummy;
    unsigned i;
 
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
-
    assert(num <= PIPE_MAX_SAMPLERS);
 
    for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
-      struct pipe_texture *tex = i < num ? texture[i] : NULL;
-
-      /* FIXME: hold on to the reference */
-      dummy = NULL;
-      pipe_texture_reference(&dummy, tex);
+      struct pipe_sampler_view *view = i < num ? views[i] : NULL;
 
-      if(tex) {
+      if(view) {
+         struct pipe_texture *tex = view->texture;
          struct llvmpipe_texture *lp_tex = llvmpipe_texture(tex);
          struct lp_jit_texture *jit_tex;
          jit_tex = &setup->fs.current.jit_context.textures[i];
-         jit_tex->width = tex->width[0];
-         jit_tex->height = tex->height[0];
-         jit_tex->stride = lp_tex->stride[0];
-         if(!lp_tex->dt)
-            jit_tex->data = lp_tex->data;
-         else
-            /* FIXME: map the rendertarget */
-            assert(0);
+         jit_tex->width = tex->width0;
+         jit_tex->height = tex->height0;
+         jit_tex->depth = tex->depth0;
+         jit_tex->last_level = tex->last_level;
+         if (!lp_tex->dt) {
+            /* regular texture - setup array of mipmap level pointers */
+            int j;
+            for (j = 0; j <= tex->last_level; j++) {
+               jit_tex->data[j] =
+                  (ubyte *) lp_tex->data + lp_tex->level_offset[j];
+               jit_tex->row_stride[j] = lp_tex->stride[j];
+            }
+         }
+         else {
+            /* display target texture/surface */
+            /*
+             * XXX: Where should this be unmapped?
+             */
+
+            struct llvmpipe_screen *screen = llvmpipe_screen(tex->screen);
+            struct sw_winsys *winsys = screen->winsys;
+            jit_tex->data[0] = winsys->displaytarget_map(winsys, lp_tex->dt,
+                                                      PIPE_BUFFER_USAGE_CPU_READ);
+            jit_tex->row_stride[0] = lp_tex->stride[0];
+            assert(jit_tex->data[0]);
+         }
+
+         /* the scene references this texture */
+         {
+            struct lp_scene *scene = lp_setup_get_current_scene(setup);
+            lp_scene_texture_reference(scene, tex);
+         }
       }
    }
 
    setup->dirty |= LP_SETUP_NEW_FS;
 }
 
-boolean
-lp_setup_is_texture_referenced( struct setup_context *setup,
+
+/**
+ * Is the given texture referenced by any scene?
+ * Note: we have to check all scenes including any scenes currently
+ * being rendered and the current scene being built.
+ */
+unsigned
+lp_setup_is_texture_referenced( const struct lp_setup_context *setup,
                                 const struct pipe_texture *texture )
 {
-   /* FIXME */
+   unsigned i;
+
+   /* check the render targets */
+   for (i = 0; i < setup->fb.nr_cbufs; i++) {
+      if (setup->fb.cbufs[i]->texture == texture)
+         return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
+   }
+   if (setup->fb.zsbuf && setup->fb.zsbuf->texture == texture) {
+      return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
+   }
+
+   /* check textures referenced by the scene */
+   for (i = 0; i < Elements(setup->scenes); i++) {
+      if (lp_scene_is_texture_referenced(setup->scenes[i], texture)) {
+         return PIPE_REFERENCED_FOR_READ;
+      }
+   }
+
    return PIPE_UNREFERENCED;
 }
 
 
-static INLINE void
-lp_setup_update_shader_state( struct setup_context *setup )
+/**
+ * Called by vbuf code when we're about to draw something.
+ */
+void
+lp_setup_update_state( struct lp_setup_context *setup )
 {
-   struct lp_bins *bins = lp_setup_get_current_bins(setup);
+   struct lp_scene *scene = lp_setup_get_current_scene(setup);
 
    LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
 
@@ -442,7 +557,7 @@ lp_setup_update_shader_state( struct setup_context *setup )
       uint8_t *stored;
       unsigned i, j;
 
-      stored = lp_bin_alloc_aligned(bins, 4 * 16, 16);
+      stored = lp_scene_alloc_aligned(scene, 4 * 16, 16);
 
       /* smear each blend color component across 16 ubyte elements */
       for (i = 0; i < 4; ++i) {
@@ -457,6 +572,25 @@ lp_setup_update_shader_state( struct setup_context *setup )
       setup->dirty |= LP_SETUP_NEW_FS;
    }
 
+   if (setup->dirty & LP_SETUP_NEW_SCISSOR) {
+      float *stored;
+
+      stored = lp_scene_alloc_aligned(scene, 4 * sizeof(int32_t), 16);
+
+      stored[0] = (float) setup->scissor.current.minx;
+      stored[1] = (float) setup->scissor.current.miny;
+      stored[2] = (float) setup->scissor.current.maxx;
+      stored[3] = (float) setup->scissor.current.maxy;
+
+      setup->scissor.stored = stored;
+
+      setup->fs.current.jit_context.scissor_xmin = stored[0];
+      setup->fs.current.jit_context.scissor_ymin = stored[1];
+      setup->fs.current.jit_context.scissor_xmax = stored[2];
+      setup->fs.current.jit_context.scissor_ymax = stored[3];
+
+      setup->dirty |= LP_SETUP_NEW_FS;
+   }
 
    if(setup->dirty & LP_SETUP_NEW_CONSTANTS) {
       struct pipe_buffer *buffer = setup->constants.current;
@@ -474,7 +608,7 @@ lp_setup_update_shader_state( struct setup_context *setup )
                    current_size) != 0) {
             void *stored;
 
-            stored = lp_bin_alloc(bins, current_size);
+            stored = lp_scene_alloc(scene, current_size);
             if(stored) {
                memcpy(stored,
                       current_data,
@@ -499,12 +633,12 @@ lp_setup_update_shader_state( struct setup_context *setup )
          memcmp(setup->fs.stored,
                 &setup->fs.current,
                 sizeof setup->fs.current) != 0) {
-         /* The fs state that's been stored in the bins is different from
+         /* The fs state that's been stored in the scene is different from
           * the new, current state.  So allocate a new lp_rast_state object
           * and append it to the bin's setup data buffer.
           */
          struct lp_rast_state *stored =
-            (struct lp_rast_state *) lp_bin_alloc(bins, sizeof *stored);
+            (struct lp_rast_state *) lp_scene_alloc(scene, sizeof *stored);
          if(stored) {
             memcpy(stored,
                    &setup->fs.current,
@@ -512,9 +646,9 @@ lp_setup_update_shader_state( struct setup_context *setup )
             setup->fs.stored = stored;
 
             /* put the state-set command into all bins */
-            lp_bin_state_command( bins,
-                                  lp_rast_set_state, 
-                                  lp_rast_arg_state(setup->fs.stored) );
+            lp_scene_bin_state_command( scene,
+                                       lp_rast_set_state, 
+                                       lp_rast_arg_state(setup->fs.stored) );
          }
       }
    }
@@ -525,51 +659,22 @@ lp_setup_update_shader_state( struct setup_context *setup )
 }
 
 
-/* Stubs for lines & points for now:
- */
-void
-lp_setup_point(struct setup_context *setup,
-                    const float (*v0)[4])
-{
-   lp_setup_update_shader_state(setup);
-   setup->point( setup, v0 );
-}
-
-void
-lp_setup_line(struct setup_context *setup,
-                   const float (*v0)[4],
-                   const float (*v1)[4])
-{
-   lp_setup_update_shader_state(setup);
-   setup->line( setup, v0, v1 );
-}
-
-void
-lp_setup_tri(struct setup_context *setup,
-             const float (*v0)[4],
-             const float (*v1)[4],
-             const float (*v2)[4])
-{
-   LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__);
-
-   lp_setup_update_shader_state(setup);
-   setup->triangle( setup, v0, v1, v2 );
-}
-
 
+/* Only caller is lp_setup_vbuf_destroy()
+ */
 void 
-lp_setup_destroy( struct setup_context *setup )
+lp_setup_destroy( struct lp_setup_context *setup )
 {
    reset_context( setup );
 
    pipe_buffer_reference(&setup->constants.current, NULL);
 
-   /* free the bins in the 'empty' queue */
-   while (lp_bins_queue_size(setup->empty_bins) > 0) {
-      struct lp_bins *bins = lp_bins_dequeue(setup->empty_bins);
-      if (!bins)
+   /* free the scenes in the 'empty' queue */
+   while (1) {
+      struct lp_scene *scene = lp_scene_dequeue(setup->empty_scenes, FALSE);
+      if (!scene)
          break;
-      lp_bins_destroy(bins);
+      lp_scene_destroy(scene);
    }
 
    lp_rast_destroy( setup->rast );
@@ -579,30 +684,44 @@ lp_setup_destroy( struct setup_context *setup )
 
 
 /**
- * Create a new primitive tiling engine.  Currently also creates a
- * rasterizer to use with it.
+ * Create a new primitive tiling engine.  Plug it into the backend of
+ * the draw module.  Currently also creates a rasterizer to use with
+ * it.
  */
-struct setup_context *
-lp_setup_create( struct pipe_screen *screen )
+struct lp_setup_context *
+lp_setup_create( struct pipe_context *pipe,
+                 struct draw_context *draw )
 {
    unsigned i;
-   struct setup_context *setup = CALLOC_STRUCT(setup_context);
+   struct lp_setup_context *setup = CALLOC_STRUCT(lp_setup_context);
 
    if (!setup)
       return NULL;
 
-   setup->empty_bins = lp_bins_queue_create();
-   if (!setup->empty_bins)
+   lp_setup_init_vbuf(setup);
+
+   setup->empty_scenes = lp_scene_queue_create();
+   if (!setup->empty_scenes)
       goto fail;
 
-   setup->rast = lp_rast_create( screen, setup->empty_bins );
+   /* XXX: move this to the screen and share between contexts:
+    */
+   setup->rast = lp_rast_create();
    if (!setup->rast) 
       goto fail;
 
-   /* create some empty bins */
-   for (i = 0; i < MAX_BINS; i++) {
-      struct lp_bins *bins = lp_bins_create();
-      lp_bins_enqueue(setup->empty_bins, bins);
+   setup->vbuf = draw_vbuf_stage(draw, &setup->base);
+   if (!setup->vbuf)
+      goto fail;
+
+   draw_set_rasterize_stage(draw, setup->vbuf);
+   draw_set_render(draw, &setup->base);
+
+   /* create some empty scenes */
+   for (i = 0; i < MAX_SCENES; i++) {
+      setup->scenes[i] = lp_scene_create( pipe, setup->empty_scenes );
+
+      lp_scene_enqueue(setup->empty_scenes, setup->scenes[i]);
    }
 
    setup->triangle = first_triangle;
@@ -614,8 +733,14 @@ lp_setup_create( struct pipe_screen *screen )
    return setup;
 
 fail:
-   if (setup->empty_bins)
-      lp_bins_queue_destroy(setup->empty_bins);
+   if (setup->rast)
+      lp_rast_destroy( setup->rast );
+   
+   if (setup->vbuf)
+      ;
+
+   if (setup->empty_scenes)
+      lp_scene_queue_destroy(setup->empty_scenes);
 
    FREE(setup);
    return NULL;