draw: remove dead file

1 files changed, 0 insertions, 705 deletions

diff --git a/src/gallium/auxiliary/draw/draw_pt_middle_fse.c b/src/gallium/auxiliary/draw/draw_pt_middle_fse.c
deleted file mode 100644
index 643ea151c14..00000000000
--- a/src/gallium/auxiliary/draw/draw_pt_middle_fse.c
+++ /dev/null
@@ -1,705 +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 <[email protected]>
-  */
-
-
-#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 );
-
-   void (*run_elts)( const struct fetch_shade_emit *fse,
-                     const unsigned *fetch_elts,
-                     unsigned fetch_count,
-                     char *buffer );
-
-};
-
-/* Prototype fetch, shade, emit-hw-verts all in one go.
- */
-struct fetch_shade_emit {
-   struct draw_pt_middle_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 shader0_run_linear( const struct fetch_shade_emit *fse,
-                                   unsigned start,
-                                   unsigned count,
-                                   char *buffer )
-{
-   unsigned i;
-
-   const float *m = fse->constants;
-   const ubyte *xyz = fse->src[0] + start * fse->pitch[0];
-   const ubyte *rgb = fse->src[1] + start * fse->pitch[1];
-   const ubyte *st = fse->src[2] + start * fse->pitch[2];
-   
-   float *out = (float *)buffer;
-
-   /* 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] = m[0] * ix + m[4] * iy + m[8]  * iz + m[12];
-	 out[1] = m[1] * ix + m[5] * iy + m[9]  * iz + m[13];
-	 out[2] = m[2] * ix + m[6] * iy + m[10] * iz + m[14];
-	 out[3] = m[3] * ix + m[7] * iy + m[11] * iz + m[15];
-	 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];
-      }
-
-      {
-	 const float *in = (const float *)st; 
-	 out[8] = in[0];
-	 out[9] = in[1];
-	 out[10] = 0.0f;
- 	 out[11] = 1.0f;
-         st += fse->pitch[2];
-      }
-
-      out += 12;
-   }
-}
-
-
-
-static void shader1_run_linear( const struct fetch_shade_emit *fse,
-			   unsigned start,
-			   unsigned count,
-                           char *buffer )
-{
-   unsigned i;
-   const float *m = (const float *)fse->constants;
-   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] = m[0] * ix + m[4] * iy + m[8]  * iz + m[12];
-	 out[1] = m[1] * ix + m[5] * iy + m[9]  * iz + m[13];
-	 out[2] = m[2] * ix + m[6] * iy + m[10] * iz + m[14];
-	 out[3] = m[3] * ix + m[7] * iy + m[11] * iz + m[15];
-	 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 shader2_run_linear( const struct fetch_shade_emit *fse,
-				unsigned start,
-				unsigned count,
-                                char *buffer )
-{
-   unsigned i;
-   const float *m = (const float *)fse->constants;
-   const ubyte *xyz = fse->src[0] + start * fse->pitch[0];
-   const ubyte *rgb = 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] = m[0] * ix + m[4] * iy + m[8]  * iz + m[12];
-	 out[1] = m[1] * ix + m[5] * iy + m[9]  * iz + m[13];
-	 out[2] = m[2] * ix + m[6] * iy + m[10] * iz + m[14];
-	 out[3] = m[3] * ix + m[7] * iy + m[11] * iz + m[15];
-	 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] = psiz;
-      }
-
-      out += 9;
-   }
-}
-
-
-
-
-static void shader0_run_elts( const struct fetch_shade_emit *fse,
-                              const unsigned *elts,
-                              unsigned count,
-                              char *buffer )
-{
-   unsigned i;
-   const float *m = fse->constants;
-   float *out = (float *)buffer;
-
-
-   /* loop over vertex attributes (vertex shader inputs)
-    */
-   for (i = 0; i < count; i++) {
-      unsigned elt = elts[i];
-      {
-         const ubyte *xyz = fse->src[0] + elt * fse->pitch[0];
-	 const float *in = (const float *)xyz;
-	 const float ix = in[0], iy = in[1], iz = in[2];
-
-	 out[0] = m[0] * ix + m[4] * iy + m[8]  * iz + m[12];
-	 out[1] = m[1] * ix + m[5] * iy + m[9]  * iz + m[13];
-	 out[2] = m[2] * ix + m[6] * iy + m[10] * iz + m[14];
-	 out[3] = m[3] * ix + m[7] * iy + m[11] * iz + m[15];
-      }
-
-      {
-         const ubyte *rgb = fse->src[1] + elt * fse->pitch[1];
-	 const float *in = (const float *)rgb;
-	 out[4] = in[0];
-	 out[5] = in[1];
-	 out[6] = in[2];
- 	 out[7] = 1.0f;
-      }
-
-      {
-         const ubyte *st = fse->src[2] + elt * fse->pitch[2];
-	 const float *in = (const float *)st;
-	 out[8] = in[0];
-	 out[9] = in[1];
-	 out[10] = 0.0f;
- 	 out[11] = 1.0f;
-      }
-
-      out += 12;
-   }
-}
-
-
-
-static void shader1_run_elts( const struct fetch_shade_emit *fse,
-                              const unsigned *elts,
-                              unsigned count,
-                              char *buffer )
-{
-   unsigned i;
-   const float *m = (const float *)fse->constants;
-   float *out = (float *)buffer;
-
-   for (i = 0; i < count; i++) {
-      unsigned elt = elts[i];
-
-      {
-         const ubyte *xyz = fse->src[0] + elt * fse->pitch[0];
-	 const float *in = (const float *)xyz;
-	 const float ix = in[0], iy = in[1], iz = in[2];
-
-	 out[0] = m[0] * ix + m[4] * iy + m[8]  * iz + m[12];
-	 out[1] = m[1] * ix + m[5] * iy + m[9]  * iz + m[13];
-	 out[2] = m[2] * ix + m[6] * iy + m[10] * iz + m[14];
-	 out[3] = m[3] * ix + m[7] * iy + m[11] * iz + m[15];
-	 xyz += fse->pitch[0];
-      }
-
-      {
-         const ubyte *rgb = fse->src[1] + elt * fse->pitch[1];
-	 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 shader2_run_elts( const struct fetch_shade_emit *fse,
-                              const unsigned *elts,
-                              unsigned count,
-                              char *buffer )
-{
-   unsigned i;
-   const float *m = (const float *)fse->constants;
-   const float psiz = 1.0;
-   float *out = (float *)buffer;
-
-   for (i = 0; i < count; i++) {
-      unsigned elt = elts[i];
-      {
-         const ubyte *xyz = fse->src[0] + elt * fse->pitch[0];
-	 const float *in = (const float *)xyz;
-	 const float ix = in[0], iy = in[1], iz = in[2];
-
-	 out[0] = m[0] * ix + m[4] * iy + m[8]  * iz + m[12];
-	 out[1] = m[1] * ix + m[5] * iy + m[9]  * iz + m[13];
-	 out[2] = m[2] * ix + m[6] * iy + m[10] * iz + m[14];
-	 out[3] = m[3] * ix + m[7] * iy + m[11] * iz + m[15];
-      }
-
-      {
-         const ubyte *rgb = fse->src[1] + elt * fse->pitch[1];
-	 out[4] = rgb[0];
-	 out[5] = rgb[1];
-	 out[6] = rgb[2];
- 	 out[7] = 1.0f;
-      }
-
-      {
-	 out[8] = psiz;
-      }
-
-      out += 9;
-   }
-}
-
-
-			       
-static void fse_prepare( struct draw_pt_middle_end *middle,
-                         unsigned prim, 
-                         unsigned opt )
-{
-   struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
-   struct draw_context *draw = fse->draw;
-   unsigned num_vs_inputs = draw->vs.vertex_shader->info.num_inputs;
-   unsigned num_vs_outputs = draw->vs.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 (!draw->render->set_primitive( draw->render, 
-                                     prim )) {
-      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;
-}
-
-
-
-
-
-
-
-static void fse_run_linear( struct draw_pt_middle_end *middle, 
-                            unsigned start, 
-                            unsigned count )
-{
-   struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
-   struct draw_context *draw = fse->draw;
-
-   char *hw_verts;
-
-   /* XXX: need to flush to get prim_vbuf.c to release its allocation??
-    */
-   draw_do_flush( draw, DRAW_FLUSH_BACKEND );
-
-   hw_verts = draw->render->allocate_vertices( draw->render,
-                                               (ushort)fse->key.output_stride,
-                                               (ushort)count );
-
-   if (!hw_verts) {
-      assert(0);
-      return;
-   }
-
-   /* Single routine to fetch vertices, run shader and emit HW verts.
-    * Clipping and viewport transformation are done elsewhere --
-    * either by the API or on hardware, or for some other reason not
-    * required...
-    */
-   fse->active->run_linear( fse, 
-                            start, count,
-                            hw_verts );
-
-   /* Draw arrays path to avoid re-emitting index list again and
-    * again.
-    */
-   draw->render->draw_arrays( draw->render,
-                              0,
-                              count );
-   
-
-   draw->render->release_vertices( draw->render, 
-				   hw_verts, 
-				   fse->key.output_stride, 
-				   count );
-}
-
-
-static void
-fse_run(struct draw_pt_middle_end *middle,
-        const unsigned *fetch_elts,
-        unsigned fetch_count,
-        const ushort *draw_elts,
-        unsigned draw_count )
-{
-   struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
-   struct draw_context *draw = fse->draw;
-   void *hw_verts;
-   
-   /* XXX: need to flush to get prim_vbuf.c to release its allocation?? 
-    */
-   draw_do_flush( draw, DRAW_FLUSH_BACKEND );
-
-   hw_verts = draw->render->allocate_vertices( draw->render,
-                                               (ushort)fse->key.output_stride,
-                                               (ushort)fetch_count );
-   if (!hw_verts) {
-      assert(0);
-      return;
-   }
-         
-					
-   /* Single routine to fetch vertices, run shader and emit HW verts.
-    */
-   fse->active->run_elts( fse, 
-                           fetch_elts,
-                           fetch_count,
-                           hw_verts );
-
-   draw->render->draw( draw->render, 
-                       draw_elts, 
-                       draw_count );
-
-   draw->render->release_vertices( draw->render, 
-                                   hw_verts, 
-                                   fse->key.output_stride, 
-                                   fetch_count );
-
-}
-
-
-static void fse_finish( struct draw_pt_middle_end *middle )
-{
-}
-
-
-static void
-fse_destroy( struct draw_pt_middle_end *middle ) 
-{
-   FREE(middle);
-}
-
-struct draw_pt_middle_end *draw_pt_middle_fse( 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.run_linear = fse_run_linear;
-   fse->base.finish = fse_finish;
-   fse->base.destroy = fse_destroy;
-   fse->draw = draw;
-
-   fse->shader[0].run_linear = shader0_run_linear;
-   fse->shader[0].run_elts = shader0_run_elts;
-   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 = shader1_run_linear;
-   fse->shader[1].run_elts = shader1_run_elts;
-   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 = shader2_run_linear;
-   fse->shader[2].run_elts = shader2_run_elts;
-   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;
-}