draw: get rid of fetch-shade-emit frontend hack

The code is now living in it's intended place as a pt middle end.

5 files changed, 0 insertions, 694 deletions

diff --git a/src/gallium/auxiliary/draw/Makefile b/src/gallium/auxiliary/draw/Makefile
index 67d78bd..3053682 100644
--- a/src/gallium/auxiliary/draw/Makefile
+++ b/src/gallium/auxiliary/draw/Makefile
@@ -26,7 +26,6 @@ C_SOURCES = \
 	draw_pt_emit.c \
 	draw_pt_fetch.c \
 	draw_pt_fetch_emit.c \
-	draw_pt_fetch_shade_emit.c \
 	draw_pt_middle_fse.c \
 	draw_pt_fetch_shade_pipeline.c \
 	draw_pt_post_vs.c \
diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index 86b901a..fd51a57 100644
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -131,7 +131,6 @@ struct draw_context
       struct {
          struct draw_pt_front_end *vcache;
          struct draw_pt_front_end *varray;
-         struct draw_pt_front_end *fetch_shade_emit; /* temp hack */
       } front;
 
       struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
diff --git a/src/gallium/auxiliary/draw/draw_pt.c b/src/gallium/auxiliary/draw/draw_pt.c
index 91e35db..75f44d5 100644
--- a/src/gallium/auxiliary/draw/draw_pt.c
+++ b/src/gallium/auxiliary/draw/draw_pt.c
@@ -85,11 +85,6 @@ draw_pt_arrays(struct draw_context *draw,
     */
    if (draw->pt.user.elts || (opt & PT_PIPELINE)) {
       frontend = draw->pt.front.vcache;
-#if 0
-   } else if (opt == PT_SHADE && draw->pt.test_fse) {
-      /* should be a middle end.. */
-      frontend = draw->pt.front.fetch_shade_emit;
-#endif
    } else {
       frontend = draw->pt.front.varray;
    }
@@ -127,10 +122,6 @@ boolean draw_pt_init( struct draw_context *draw )
       draw->pt.middle.fetch_shade_emit = draw_pt_middle_fse( draw );
       if (!draw->pt.middle.fetch_shade_emit)
          return FALSE;
-
-      draw->pt.front.fetch_shade_emit = draw_pt_fetch_shade_emit( draw );
-      if (!draw->pt.front.fetch_shade_emit)
-         return FALSE;
    }
 
 
@@ -159,11 +150,6 @@ void draw_pt_destroy( struct draw_context *draw )
       draw->pt.middle.fetch_shade_emit = NULL;
    }
 
-   if (draw->pt.front.fetch_shade_emit) {
-      draw->pt.front.fetch_shade_emit->destroy( draw->pt.front.fetch_shade_emit );
-      draw->pt.front.fetch_shade_emit = NULL;
-   }
-
    if (draw->pt.front.vcache) {
       draw->pt.front.vcache->destroy( draw->pt.front.vcache );
       draw->pt.front.vcache = NULL;
diff --git a/src/gallium/auxiliary/draw/draw_pt.h b/src/gallium/auxiliary/draw/draw_pt.h
index cdae46b..e03816e 100644
--- a/src/gallium/auxiliary/draw/draw_pt.h
+++ b/src/gallium/auxiliary/draw/draw_pt.h
@@ -121,7 +121,6 @@ const void *draw_pt_elt_ptr( struct draw_context *draw,
 struct draw_pt_front_end *draw_pt_vcache( struct draw_context *draw );
 struct draw_pt_front_end *draw_pt_varray(struct draw_context *draw);
 
-struct draw_pt_front_end *draw_pt_fetch_shade_emit( struct draw_context *draw );
 
 /* Middle-ends:
  *
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c
deleted file mode 100644
index f756d3e..0000000
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c
+++ /dev/null
@@ -1,677 +0,0 @@
-/**************************************************************************
- * 
- * Copyright 2007 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.
- * 
- **************************************************************************/
-
- /*
-  * Authors:
-  *   Keith Whitwell <keith@tungstengraphics.com>
-  */
-
-
-#include "pipe/p_util.h"
-#include "draw/draw_context.h"
-#include "draw/draw_private.h"
-#include "draw/draw_vbuf.h"
-#include "draw/draw_vertex.h"
-#include "draw/draw_pt.h"
-#include "draw/draw_vs.h"
-
-#include "translate/translate.h"
-
-struct fetch_shade_emit;
-
-struct fse_shader {
-   struct translate_key key;
-
-   void (*run_linear)( const struct fetch_shade_emit *fse,
-                       unsigned start,
-                       unsigned count,
-                       char *buffer );
-};
-
-/* Prototype fetch, shade, emit-hw-verts all in one go.
- */
-struct fetch_shade_emit {
-   struct draw_pt_front_end base;
-
-   struct draw_context *draw;
-
-   struct translate_key key;
-
-   /* Temporaries:
-    */
-   const float *constants;
-   unsigned pitch[PIPE_MAX_ATTRIBS];
-   const ubyte *src[PIPE_MAX_ATTRIBS];
-   unsigned prim;
-
-   /* Points to one of the three hardwired example shaders, below:
-    */
-   struct fse_shader *active;
-
-   /* Temporary: A list of hard-wired shaders.  Of course the plan
-    * would be to generate these for a given (vertex-shader,
-    * translate-key) pair...
-    */
-   struct fse_shader shader[10];
-   int nr_shaders;
-};
-
-
-
-/* Not quite passthrough yet -- we're still running the 'shader' here,
- * inlined into the vertex fetch function.
- */
-static void fetch_xyz_rgb_st( const struct fetch_shade_emit *fse,
-			      unsigned start,
-			      unsigned count,
-                              char *buffer )
-{
-   unsigned i;
-
-   const float *m = fse->constants;
-   const float m0 = m[0],  m4 = m[4],  m8 = m[8],  m12 = m[12];
-   const float m1 = m[1],  m5 = m[5],  m9 = m[9],  m13 = m[13];
-   const float m2 = m[2],  m6 = m[6],  m10 = m[10],  m14 = m[14];
-   const float m3 = m[3],  m7 = m[7],  m11 = m[11],  m15 = m[15];
-
-   const ubyte *xyz = fse->src[0] + start * fse->pitch[0];
-   const ubyte *st = fse->src[2] + start * fse->pitch[2];
-   
-   float *out = (float *)buffer;
-
-
-   assert(fse->pitch[1] == 0);
-
-   /* loop over vertex attributes (vertex shader inputs)
-    */
-   for (i = 0; i < count; i++) {
-      {
-	 const float *in = (const float *)xyz;
-	 const float ix = in[0], iy = in[1], iz = in[2];
-
-	 out[0] = m0 * ix + m4 * iy + m8  * iz + m12;
-	 out[1] = m1 * ix + m5 * iy + m9  * iz + m13;
-	 out[2] = m2 * ix + m6 * iy + m10 * iz + m14;
-	 out[3] = m3 * ix + m7 * iy + m11 * iz + m15;
-	 xyz += fse->pitch[0];
-      }
-
-      {
-	 out[4] = 1.0f;
-	 out[5] = 1.0f;
-	 out[6] = 1.0f;
- 	 out[7] = 1.0f;
-      }
-
-      {
-	 const float *in = (const float *)st; st += fse->pitch[2];
-	 out[8] = in[0];
-	 out[9] = in[1];
-	 out[10] = 0.0f;
- 	 out[11] = 1.0f;
-      }
-
-      out += 12;
-   }
-}
-
-
-
-static void fetch_xyz_rgb( const struct fetch_shade_emit *fse,
-			   unsigned start,
-			   unsigned count,
-                           char *buffer )
-{
-   unsigned i;
-
-   const float *m = (const float *)fse->constants;
-   const float m0 = m[0],  m4 = m[4],  m8 = m[8],  m12 = m[12];
-   const float m1 = m[1],  m5 = m[5],  m9 = m[9],  m13 = m[13];
-   const float m2 = m[2],  m6 = m[6],  m10 = m[10],  m14 = m[14];
-   const float m3 = m[3],  m7 = m[7],  m11 = m[11],  m15 = m[15];
-
-   const ubyte *xyz = fse->src[0] + start * fse->pitch[0];
-   const ubyte *rgb = fse->src[1] + start * fse->pitch[1];
-
-   float *out = (float *)buffer;
-
-//   debug_printf("rgb %f %f %f\n", rgb[0], rgb[1], rgb[2]);
-
-
-   for (i = 0; i < count; i++) {
-      {
-	 const float *in = (const float *)xyz;
-	 const float ix = in[0], iy = in[1], iz = in[2];
-
-	 out[0] = m0 * ix + m4 * iy + m8  * iz + m12;
-	 out[1] = m1 * ix + m5 * iy + m9  * iz + m13;
-	 out[2] = m2 * ix + m6 * iy + m10 * iz + m14;
-	 out[3] = m3 * ix + m7 * iy + m11 * iz + m15;
-	 xyz += fse->pitch[0];
-      }
-
-      {
-	 const float *in = (const float *)rgb;
-	 out[4] = in[0];
-	 out[5] = in[1];
-	 out[6] = in[2];
- 	 out[7] = 1.0f;
-         rgb += fse->pitch[1];
-      }
-
-      out += 8;
-   }
-}
-
-
-
-
-static void fetch_xyz_rgb_psiz( const struct fetch_shade_emit *fse,
-				unsigned start,
-				unsigned count,
-                                char *buffer )
-{
-   unsigned i;
-
-   const float *m = (const float *)fse->constants;
-   const float m0 = m[0],  m4 = m[4],  m8 = m[8],  m12 = m[12];
-   const float m1 = m[1],  m5 = m[5],  m9 = m[9],  m13 = m[13];
-   const float m2 = m[2],  m6 = m[6],  m10 = m[10],  m14 = m[14];
-   const float m3 = m[3],  m7 = m[7],  m11 = m[11],  m15 = m[15];
-
-   const ubyte *xyz = fse->src[0] + start * fse->pitch[0];
-   const float *rgb = (const float *)(fse->src[1] + start * fse->pitch[1]);
-   const float psiz = 1.0;
-
-   float *out = (float *)buffer;
-
-
-   assert(fse->pitch[1] == 0);
-
-   for (i = 0; i < count; i++) {
-      {
-	 const float *in = (const float *)xyz;
-	 const float ix = in[0], iy = in[1], iz = in[2];
-
-	 out[0] = m0 * ix + m4 * iy + m8  * iz + m12;
-	 out[1] = m1 * ix + m5 * iy + m9  * iz + m13;
-	 out[2] = m2 * ix + m6 * iy + m10 * iz + m14;
-	 out[3] = m3 * ix + m7 * iy + m11 * iz + m15;
-	 xyz += fse->pitch[0];
-      }
-
-      {
-	 out[4] = rgb[0];
-	 out[5] = rgb[1];
-	 out[6] = rgb[2];
- 	 out[7] = 1.0f;
-      }
-
-      {
-	 out[8] = psiz;
-      }
-
-      out += 9;
-   }
-}
-
-
-
-
-static boolean set_prim( struct fetch_shade_emit *fse,
-                         unsigned prim,
-                         unsigned count )
-{
-   struct draw_context *draw = fse->draw;
-
-   fse->prim = prim;
-
-   switch (prim) { 
-   case PIPE_PRIM_LINE_LOOP:
-      if (count > 1024)
-         return FALSE;
-      draw->render->set_primitive( draw->render, PIPE_PRIM_LINE_STRIP );
-      break;
-
-   case PIPE_PRIM_TRIANGLE_FAN:
-   case PIPE_PRIM_POLYGON:
-      if (count > 1024)
-         return FALSE;
-      draw->render->set_primitive( draw->render, prim );
-      break;
-
-   case PIPE_PRIM_QUADS:
-   case PIPE_PRIM_QUAD_STRIP:
-      draw->render->set_primitive( draw->render, PIPE_PRIM_TRIANGLES );
-      break;
-
-   default:
-      draw->render->set_primitive( draw->render, prim );
-      break;
-   }
-
-   return TRUE;
-}
-
-
-
-
-
-			       
-static void fse_prepare( struct draw_pt_front_end *fe,
-                            unsigned prim,
-                            struct draw_pt_middle_end *unused,
-                            unsigned opt )
-{
-   struct fetch_shade_emit *fse = (struct fetch_shade_emit *)fe;
-   struct draw_context *draw = fse->draw;
-   unsigned num_vs_inputs = draw->vertex_shader->info.num_inputs;
-   unsigned num_vs_outputs = draw->vertex_shader->info.num_outputs;
-   const struct vertex_info *vinfo;
-   unsigned i;
-   boolean need_psize = 0;
-   
-
-   if (draw->pt.user.elts) {
-      assert(0);
-      return ;
-   }
-
-   if (!set_prim(fse, prim, /*count*/1022 )) {
-      assert(0);
-      return ;
-   }
-
-   /* Must do this after set_primitive() above:
-    */
-   vinfo = draw->render->get_vertex_info(draw->render);
-   
-
-
-   fse->key.nr_elements = MAX2(num_vs_outputs,     /* outputs - translate to hw format */
-                               num_vs_inputs);     /* inputs - fetch from api format */
-
-   fse->key.output_stride = vinfo->size * 4;
-   memset(fse->key.element, 0, 
-          fse->key.nr_elements * sizeof(fse->key.element[0]));
-
-   for (i = 0; i < num_vs_inputs; i++) {
-      const struct pipe_vertex_element *src = &draw->pt.vertex_element[i];
-      fse->key.element[i].input_format = src->src_format;
-
-      /* Consider ignoring these at this point, ie make generated
-       * programs independent of this state:
-       */
-      fse->key.element[i].input_buffer = 0; //src->vertex_buffer_index;
-      fse->key.element[i].input_offset = 0; //src->src_offset;
-   }
-   
-
-   {
-      unsigned dst_offset = 0;
-
-      for (i = 0; i < vinfo->num_attribs; i++) {
-         unsigned emit_sz = 0;
-         unsigned output_format = PIPE_FORMAT_NONE;
-         unsigned vs_output = vinfo->src_index[i];
-
-         switch (vinfo->emit[i]) {
-         case EMIT_4F:
-            output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-            emit_sz = 4 * sizeof(float);
-            break;
-         case EMIT_3F:
-            output_format = PIPE_FORMAT_R32G32B32_FLOAT;
-            emit_sz = 3 * sizeof(float);
-            break;
-         case EMIT_2F:
-            output_format = PIPE_FORMAT_R32G32_FLOAT;
-            emit_sz = 2 * sizeof(float);
-            break;
-         case EMIT_1F:
-            output_format = PIPE_FORMAT_R32_FLOAT;
-            emit_sz = 1 * sizeof(float);
-            break;
-         case EMIT_1F_PSIZE:
-            need_psize = 1;
-            output_format = PIPE_FORMAT_R32_FLOAT;
-            emit_sz = 1 * sizeof(float);
-            vs_output = num_vs_outputs + 1;
-         
-            break;
-         default:
-            assert(0);
-            break;
-         }
-
-         /* The elements in the key correspond to vertex shader output
-          * numbers, not to positions in the hw vertex description --
-          * that's handled by the output_offset field.
-          */
-         fse->key.element[vs_output].output_format = output_format;
-         fse->key.element[vs_output].output_offset = dst_offset;
-      
-         dst_offset += emit_sz;
-         assert(fse->key.output_stride >= dst_offset);
-      }
-   }
-
-   /* To make psize work, really need to tell the vertex shader to
-    * copy that value from input->output.  For 'translate' this was
-    * implicit for all elements.
-    */
-#if 0
-   if (need_psize) {
-      unsigned input = num_vs_inputs + 1;
-      const struct pipe_vertex_element *src = &draw->pt.vertex_element[i];
-      fse->key.element[i].input_format = PIPE_FORMAT_R32_FLOAT;
-      fse->key.element[i].input_buffer = 0; //nr_buffers + 1;
-      fse->key.element[i].input_offset = 0; 
-
-      fse->key.nr_elements += 1;
-      
-   }
-#endif
-   
-   fse->constants = draw->pt.user.constants;
-
-   /* Would normally look up a vertex shader and peruse its list of
-    * varients somehow.  We omitted that step and put all the
-    * hardcoded "shaders" into an array.  We're just making the
-    * assumption that this happens to be a matching shader...  ie
-    * you're running isosurf, aren't you?
-    */
-   fse->active = NULL;
-   for (i = 0; i < fse->nr_shaders; i++) {
-      if (translate_key_compare( &fse->key, &fse->shader[i].key) == 0)
-         fse->active = &fse->shader[i];
-   }
-
-   if (!fse->active) {
-      assert(0);
-      return ;
-   }
-
-   /* Now set buffer pointers:
-    */
-   for (i = 0; i < num_vs_inputs; i++) {
-      unsigned buf = draw->pt.vertex_element[i].vertex_buffer_index;
-
-      fse->src[i] = ((const ubyte *) draw->pt.user.vbuffer[buf] + 
-                     draw->pt.vertex_buffer[buf].buffer_offset + 
-                     draw->pt.vertex_element[i].src_offset);
-
-      fse->pitch[i] = draw->pt.vertex_buffer[buf].pitch;
-
-   }
-
-   
-   //return TRUE;
-}
-
-
-
-
-
-
-#define INDEX(i) (start + (i))
-static void fse_render_linear( struct vbuf_render *render,
-                               unsigned prim,
-                               unsigned start,
-                               unsigned length )
-{
-   ushort *tmp = NULL;
-   unsigned i, j;
-
-   switch (prim) {
-   case PIPE_PRIM_LINE_LOOP:
-      tmp = MALLOC( sizeof(ushort) * (length + 1) );
-
-      for (i = 0; i < length; i++)
-	 tmp[i] = INDEX(i);
-      tmp[length] = 0;
-
-      render->draw( render,
-			  tmp,
-			  length+1 );
-      break;
-
-
-   case PIPE_PRIM_QUAD_STRIP:
-      tmp = MALLOC( sizeof(ushort) * (length / 2 * 6) );
-
-      for (j = i = 0; i + 3 < length; i += 2, j += 6) {
-	 tmp[j+0] = INDEX(i+0);
-	 tmp[j+1] = INDEX(i+1);
-	 tmp[j+2] = INDEX(i+3);
-
-	 tmp[j+3] = INDEX(i+2);
-	 tmp[j+4] = INDEX(i+0);
-	 tmp[j+5] = INDEX(i+3);
-      }
-
-      if (j)
-	 render->draw( render, tmp, j );
-      break;
-
-   case PIPE_PRIM_QUADS:
-      tmp = MALLOC( sizeof(int) * (length / 4 * 6) );
-
-      for (j = i = 0; i + 3 < length; i += 4, j += 6) {
-	 tmp[j+0] = INDEX(i+0);
-	 tmp[j+1] = INDEX(i+1);
-	 tmp[j+2] = INDEX(i+3);
-
-	 tmp[j+3] = INDEX(i+1);
-	 tmp[j+4] = INDEX(i+2);
-	 tmp[j+5] = INDEX(i+3);
-      }
-
-      if (j)
-	 render->draw( render, tmp, j );
-      break;
-
-   default:
-      render->draw_arrays( render,
-                                 start,
-                                 length );
-      break;
-   }
-
-   if (tmp)
-      FREE(tmp);
-}
-
-
-
-static boolean do_draw( struct fetch_shade_emit *fse, 
-                        unsigned start, unsigned count )
-{
-   struct draw_context *draw = fse->draw;
-
-   char *hw_verts = 
-      draw->render->allocate_vertices( draw->render,
-                                       (ushort)fse->key.output_stride,
-                                       (ushort)count );
-
-   if (!hw_verts)
-      return FALSE;
-					
-   /* Single routine to fetch vertices, run shader and emit HW verts.
-    * Clipping and viewport transformation are done on hardware.
-    */
-   fse->active->run_linear( fse, 
-                            start, count,
-                            hw_verts );
-
-   /* Draw arrays path to avoid re-emitting index list again and
-    * again.
-    */
-   fse_render_linear( draw->render,
-                      fse->prim,
-                      0,
-                      count );
-   
-
-   draw->render->release_vertices( draw->render, 
-				   hw_verts, 
-				   fse->key.output_stride, 
-				   count );
-
-   return TRUE;
-}
-
-
-static void
-fse_run(struct draw_pt_front_end *fe, 
-        pt_elt_func elt_func,
-        const void *elt_ptr,
-        unsigned count)
-{
-   struct fetch_shade_emit *fse = (struct fetch_shade_emit *)fe;
-   unsigned i = 0;
-   unsigned first, incr;
-   unsigned start = elt_func(elt_ptr, 0);
-   
-   //debug_printf("%s prim %d start %d count %d\n", __FUNCTION__, prim, start, count);
-   
-   draw_pt_split_prim(fse->prim, &first, &incr);
-
-   count -= (count - first) % incr; 
-
-   while (i + first <= count) {
-      int nr = MIN2( count - i, 1024 );
-
-      /* snap to prim boundary 
-       */
-      nr -= (nr - first) % incr; 
-
-      if (!do_draw( fse, start + i, nr )) {
-         assert(0);
-         return ;
-      }
-
-      /* increment allowing for repeated vertices
-       */
-      i += nr - (first - incr);
-   }
-
-   //return TRUE;
-}
-
-
-static void fse_finish( struct draw_pt_front_end *frontend )
-{
-}
-
-
-static void
-fse_destroy( struct draw_pt_front_end *frontend ) 
-{
-   FREE(frontend);
-}
-
-struct draw_pt_front_end *draw_pt_fetch_shade_emit( struct draw_context *draw )
-{
-   struct fetch_shade_emit *fse = CALLOC_STRUCT(fetch_shade_emit);
-   if (!fse)
-      return NULL;
-
-   fse->base.prepare = fse_prepare;
-   fse->base.run = fse_run;
-   fse->base.finish = fse_finish;
-   fse->base.destroy = fse_destroy;
-   fse->draw = draw;
-
-   fse->shader[0].run_linear = fetch_xyz_rgb_st;
-   fse->shader[0].key.nr_elements = 3;
-   fse->shader[0].key.output_stride = 12 * sizeof(float);
-
-   fse->shader[0].key.element[0].input_format = PIPE_FORMAT_R32G32B32_FLOAT;
-   fse->shader[0].key.element[0].input_buffer = 0; 
-   fse->shader[0].key.element[0].input_offset = 0; 
-   fse->shader[0].key.element[0].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-   fse->shader[0].key.element[0].output_offset = 0; 
-
-   fse->shader[0].key.element[1].input_format = PIPE_FORMAT_R32G32B32_FLOAT;
-   fse->shader[0].key.element[1].input_buffer = 0; 
-   fse->shader[0].key.element[1].input_offset = 0; 
-   fse->shader[0].key.element[1].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-   fse->shader[0].key.element[1].output_offset = 16; 
-
-   fse->shader[0].key.element[1].input_format = PIPE_FORMAT_R32G32_FLOAT;
-   fse->shader[0].key.element[1].input_buffer = 0; 
-   fse->shader[0].key.element[1].input_offset = 0; 
-   fse->shader[0].key.element[1].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-   fse->shader[0].key.element[1].output_offset = 32; 
-
-   fse->shader[1].run_linear = fetch_xyz_rgb;
-   fse->shader[1].key.nr_elements = 2;
-   fse->shader[1].key.output_stride = 8 * sizeof(float);
-
-   fse->shader[1].key.element[0].input_format = PIPE_FORMAT_R32G32B32_FLOAT;
-   fse->shader[1].key.element[0].input_buffer = 0; 
-   fse->shader[1].key.element[0].input_offset = 0; 
-   fse->shader[1].key.element[0].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-   fse->shader[1].key.element[0].output_offset = 0; 
-
-   fse->shader[1].key.element[1].input_format = PIPE_FORMAT_R32G32B32_FLOAT;
-   fse->shader[1].key.element[1].input_buffer = 0; 
-   fse->shader[1].key.element[1].input_offset = 0; 
-   fse->shader[1].key.element[1].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-   fse->shader[1].key.element[1].output_offset = 16; 
-
-   fse->shader[2].run_linear = fetch_xyz_rgb_psiz;
-   fse->shader[2].key.nr_elements = 3;
-   fse->shader[2].key.output_stride = 9 * sizeof(float);
-
-   fse->shader[2].key.element[0].input_format = PIPE_FORMAT_R32G32B32_FLOAT;
-   fse->shader[2].key.element[0].input_buffer = 0; 
-   fse->shader[2].key.element[0].input_offset = 0; 
-   fse->shader[2].key.element[0].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-   fse->shader[2].key.element[0].output_offset = 0; 
-
-   fse->shader[2].key.element[1].input_format = PIPE_FORMAT_R32G32B32_FLOAT;
-   fse->shader[2].key.element[1].input_buffer = 0; 
-   fse->shader[2].key.element[1].input_offset = 0; 
-   fse->shader[2].key.element[1].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-   fse->shader[2].key.element[1].output_offset = 16; 
-
-   /* psize is special 
-    *    -- effectively add it here as another input!?! 
-    *    -- who knows how to add it as a buffer?
-    */
-   fse->shader[2].key.element[2].input_format = PIPE_FORMAT_R32_FLOAT;
-   fse->shader[2].key.element[2].input_buffer = 0; 
-   fse->shader[2].key.element[2].input_offset = 0; 
-   fse->shader[2].key.element[2].output_format = PIPE_FORMAT_R32_FLOAT;
-   fse->shader[2].key.element[2].output_offset = 32; 
-
-   fse->nr_shaders = 3;
-
-   return &fse->base;
-}