gallium: a lot more complete implementation of stream output
authorZack Rusin <zack@kde.org>
Mon, 31 May 2010 06:20:34 +0000 (02:20 -0400)
committerZack Rusin <zackr@vmware.com>
Tue, 8 Jun 2010 10:28:10 +0000 (06:28 -0400)
interface wise we have everything needed by d3d10 and gl transform feedback.
the draw module misses implementation of some corner cases (e.g. when stream
output wants different number of components per output than normal rendering
paths)

src/gallium/auxiliary/Makefile
src/gallium/auxiliary/SConscript
src/gallium/auxiliary/draw/draw_pt.h
src/gallium/auxiliary/draw/draw_pt_emit.c
src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
src/gallium/auxiliary/draw/draw_pt_so_emit.c [new file with mode: 0644]
src/gallium/drivers/softpipe/sp_state_so.c [new file with mode: 0644]
src/gallium/include/pipe/p_state.h

index 3b202b5bc774889abae6cd34320d71f225a8400a..7c8db19f5c34df81cc227e8c78ca59616e195ff8 100644 (file)
@@ -33,6 +33,7 @@ C_SOURCES = \
        draw/draw_pt_fetch_shade_emit.c \
        draw/draw_pt_fetch_shade_pipeline.c \
        draw/draw_pt_post_vs.c \
+       draw/draw_pt_so_emit.c \
        draw/draw_pt_util.c \
        draw/draw_pt_varray.c \
        draw/draw_pt_vcache.c \
index af4d5edcf86866e38a154632d2cb3a2b6823f94f..6242ab0c59d8e23cde674fa8e381bf4151fdfe65 100644 (file)
@@ -78,6 +78,7 @@ source = [
     'draw/draw_pt_fetch_shade_emit.c',
     'draw/draw_pt_fetch_shade_pipeline.c',
     'draw/draw_pt_post_vs.c',
+    'draw/draw_pt_so_emit.c',
     'draw/draw_pt_util.c',
     'draw/draw_pt_varray.c',
     'draw/draw_pt_vcache.c',
index 3e3ea320cc0a0c2b5b1a03a4c41fa8778c8a1c03..b9032468da3ff881a6db6bcadf20b28bd8761b0f 100644 (file)
@@ -177,6 +177,22 @@ void draw_pt_emit_destroy( struct pt_emit *emit );
 
 struct pt_emit *draw_pt_emit_create( struct draw_context *draw );
 
+/*******************************************************************************
+ * HW stream output emit:
+ */
+struct pt_so_emit;
+
+void draw_pt_so_emit_prepare( struct pt_so_emit *emit,
+                              unsigned prim );
+
+void draw_pt_so_emit( struct pt_so_emit *emit,
+                      const float (*vertex_data)[4],
+                      unsigned vertex_count,
+                      unsigned stride );
+
+void draw_pt_so_emit_destroy( struct pt_so_emit *emit );
+
+struct pt_so_emit *draw_pt_so_emit_create( struct draw_context *draw );
 
 /*******************************************************************************
  * API vertex fetch:
index 3b4237245e6fe97439a24983948c69bc652312b0..575027684442730299c1a7d68285764f47bac6f5 100644 (file)
@@ -39,7 +39,6 @@ struct pt_emit {
    struct draw_context *draw;
 
    struct translate *translate;
-   struct translate *so_translate;
 
    struct translate_cache *cache;
    unsigned prim;
@@ -47,51 +46,6 @@ struct pt_emit {
    const struct vertex_info *vinfo;
 };
 
-static void
-prepare_so_emit( struct pt_emit *emit,
-                 const struct vertex_info *vinfo )
-{
-   struct draw_context *draw = emit->draw;
-   unsigned i;
-   struct translate_key hw_key;
-   unsigned dst_offset = 0;
-   unsigned output_stride = 0;
-   boolean has_so = (draw->so.state.num_outputs > 0);
-
-   if (has_so) {
-
-      for (i = 0; i < draw->so.state.num_outputs; ++i) {
-         unsigned src_offset = (vinfo->attrib[i].src_index * 4 * sizeof(float) );
-         unsigned output_format = draw->so.state.format[i];
-         unsigned output_bytes = util_format_get_blocksize(output_format);
-
-         hw_key.element[i].type = TRANSLATE_ELEMENT_NORMAL;
-         hw_key.element[i].input_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-         hw_key.element[i].input_buffer = 0;
-         hw_key.element[i].input_offset = src_offset;
-         hw_key.element[i].instance_divisor = 0;
-         hw_key.element[i].output_format = output_format;
-         hw_key.element[i].output_offset = dst_offset;
-
-         dst_offset += output_bytes;
-         output_stride += output_bytes;
-      }
-      hw_key.nr_elements = draw->so.state.num_outputs;
-      hw_key.output_stride = output_stride;
-
-      if (!emit->so_translate ||
-          translate_key_compare(&emit->so_translate->key, &hw_key) != 0)
-      {
-         translate_key_sanitize(&hw_key);
-         emit->so_translate = translate_cache_find(emit->cache, &hw_key);
-      }
-   } else {
-      /* no stream output */
-      emit->so_translate = NULL;
-   }
-}
-
-
 void draw_pt_emit_prepare( struct pt_emit *emit,
                           unsigned prim,
                            unsigned *max_vertices )
@@ -168,8 +122,6 @@ void draw_pt_emit_prepare( struct pt_emit *emit,
    *max_vertices = (draw->render->max_vertex_buffer_bytes / 
                     (vinfo->size * 4));
 
-   prepare_so_emit( emit, vinfo );
-
    /* even number */
    *max_vertices = *max_vertices & ~1;
 }
@@ -184,7 +136,6 @@ void draw_pt_emit( struct pt_emit *emit,
 {
    struct draw_context *draw = emit->draw;
    struct translate *translate = emit->translate;
-   struct translate *so_translate = emit->so_translate;
    struct vbuf_render *render = draw->render;
    void *hw_verts;
 
@@ -236,18 +187,6 @@ void draw_pt_emit( struct pt_emit *emit,
                    draw->instance_id,
                   hw_verts );
 
-   if (so_translate) {
-      void *so_buffer = draw->so.buffers[0];
-
-      /* XXX we only support single output buffer right now */
-      debug_assert(draw->so.num_buffers >= 0);
-
-      so_translate->set_buffer(translate, 0, vertex_data,
-                               stride, ~0);
-      so_translate->run(translate, 0, vertex_count,
-                        draw->instance_id, so_buffer);
-   }
-
    render->unmap_vertices( render, 
                            0, 
                            vertex_count - 1 );
@@ -267,7 +206,6 @@ void draw_pt_emit_linear(struct pt_emit *emit,
 {
    struct draw_context *draw = emit->draw;
    struct translate *translate = emit->translate;
-   struct translate *so_translate = emit->so_translate;
    struct vbuf_render *render = draw->render;
    void *hw_verts;
 
@@ -309,18 +247,6 @@ void draw_pt_emit_linear(struct pt_emit *emit,
                   draw->instance_id,
                   hw_verts);
 
-   if (so_translate) {
-      void *so_buffer = draw->so.buffers[0];
-
-      /* XXX we only support single output buffer right now */
-      debug_assert(draw->so.num_buffers >= 0);
-
-      so_translate->set_buffer(translate, 0,
-                               vertex_data, stride, count - 1);
-      so_translate->run(translate, 0, count,
-                        draw->instance_id, so_buffer);
-   }
-
    if (0) {
       unsigned i;
       for (i = 0; i < count; i++) {
index da5106463a700f52a23ca0c9ee64276913267d9b..0d15ba26423ec7e88bd8806e7174de7df8880583 100644 (file)
@@ -40,6 +40,7 @@ struct fetch_pipeline_middle_end {
    struct draw_context *draw;
 
    struct pt_emit *emit;
+   struct pt_so_emit *so_emit;
    struct pt_fetch *fetch;
    struct pt_post_vs *post_vs;
 
@@ -100,6 +101,8 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle,
                            (boolean)draw->rasterizer->gl_rasterization_rules,
                            (draw->vs.edgeflag_output ? true : false) );    
 
+   draw_pt_so_emit_prepare( fpme->so_emit, prim );
+
    if (!(opt & PT_PIPELINE)) {
       draw_pt_emit_prepare( fpme->emit, 
                            prim,
@@ -174,6 +177,12 @@ static void fetch_pipeline_run( struct draw_pt_middle_end *middle,
                                   fpme->vertex_size);
    }
 
+   /* stream output needs to be done before clipping */
+   draw_pt_so_emit( fpme->so_emit,
+                   (const float (*)[4])pipeline_verts->data,
+                   fetch_count,
+                   fpme->vertex_size );
+
    if (draw_pt_post_vs_run( fpme->post_vs,
                            pipeline_verts,
                            fetch_count,
@@ -258,6 +267,12 @@ static void fetch_pipeline_linear_run( struct draw_pt_middle_end *middle,
                                   fpme->vertex_size);
    }
 
+   /* stream output needs to be done before clipping */
+   draw_pt_so_emit( fpme->so_emit,
+                   (const float (*)[4])pipeline_verts->data,
+                   count,
+                   fpme->vertex_size );
+
    if (draw_pt_post_vs_run( fpme->post_vs,
                            pipeline_verts,
                            count,
@@ -336,6 +351,12 @@ static boolean fetch_pipeline_linear_run_elts( struct draw_pt_middle_end *middle
                                   fpme->vertex_size);
    }
 
+   /* stream output needs to be done before clipping */
+   draw_pt_so_emit( fpme->so_emit,
+                   (const float (*)[4])pipeline_verts->data,
+                   count,
+                   fpme->vertex_size );
+
    if (draw_pt_post_vs_run( fpme->post_vs,
                            pipeline_verts,
                            count,
@@ -385,6 +406,9 @@ static void fetch_pipeline_destroy( struct draw_pt_middle_end *middle )
    if (fpme->emit)
       draw_pt_emit_destroy( fpme->emit );
 
+   if (fpme->so_emit)
+      draw_pt_so_emit_destroy( fpme->so_emit );
+
    if (fpme->post_vs)
       draw_pt_post_vs_destroy( fpme->post_vs );
 
@@ -419,6 +443,10 @@ struct draw_pt_middle_end *draw_pt_fetch_pipeline_or_emit( struct draw_context *
    if (!fpme->emit) 
       goto fail;
 
+   fpme->so_emit = draw_pt_so_emit_create( draw );
+   if (!fpme->so_emit)
+      goto fail;
+
    return &fpme->base;
 
  fail:
index d56889b5f651ec15035e1f539882237cd429a03c..584a1a53d46c7d5e5356b4d76f0eed7a31ddc633 100644 (file)
@@ -40,6 +40,7 @@ struct llvm_middle_end {
    struct draw_context *draw;
 
    struct pt_emit *emit;
+   struct pt_so_emit *so_emit;
    struct pt_fetch *fetch;
    struct pt_post_vs *post_vs;
 
@@ -104,6 +105,7 @@ llvm_middle_end_prepare( struct draw_pt_middle_end *middle,
                            (boolean)draw->rasterizer->gl_rasterization_rules,
                            (draw->vs.edgeflag_output ? true : false) );
 
+   draw_pt_so_emit_prepare( fpme->so_emit, prim );
    if (!(opt & PT_PIPELINE)) {
       draw_pt_emit_prepare( fpme->emit,
                            prim,
@@ -175,6 +177,12 @@ static void llvm_middle_end_run( struct draw_pt_middle_end *middle,
                                          fpme->vertex_size,
                                          draw->pt.vertex_buffer );
 
+   /* stream output needs to be done before clipping */
+   draw_pt_so_emit( fpme->so_emit,
+                   (const float (*)[4])pipeline_verts->data,
+                   fetch_count,
+                   fpme->vertex_size );
+
    if (draw_pt_post_vs_run( fpme->post_vs,
                            pipeline_verts,
                            fetch_count,
@@ -239,6 +247,12 @@ static void llvm_middle_end_linear_run( struct draw_pt_middle_end *middle,
                                     fpme->vertex_size,
                                     draw->pt.vertex_buffer );
 
+   /* stream output needs to be done before clipping */
+   draw_pt_so_emit( fpme->so_emit,
+                   (const float (*)[4])pipeline_verts->data,
+                   count,
+                   fpme->vertex_size );
+
    if (draw_pt_post_vs_run( fpme->post_vs,
                            pipeline_verts,
                            count,
@@ -294,6 +308,12 @@ llvm_middle_end_linear_run_elts( struct draw_pt_middle_end *middle,
                                     fpme->vertex_size,
                                     draw->pt.vertex_buffer );
 
+   /* stream output needs to be done before clipping */
+   draw_pt_so_emit( fpme->so_emit,
+                   (const float (*)[4])pipeline_verts->data,
+                   count,
+                   fpme->vertex_size );
+
    if (draw_pt_post_vs_run( fpme->post_vs,
                            pipeline_verts,
                            count,
@@ -367,6 +387,9 @@ static void llvm_middle_end_destroy( struct draw_pt_middle_end *middle )
    if (fpme->emit)
       draw_pt_emit_destroy( fpme->emit );
 
+   if (fpme->so_emit)
+      draw_pt_so_emit_destroy( fpme->so_emit );
+
    if (fpme->post_vs)
       draw_pt_post_vs_destroy( fpme->post_vs );
 
@@ -409,6 +432,10 @@ struct draw_pt_middle_end *draw_pt_fetch_pipeline_or_emit_llvm( struct draw_cont
    if (!fpme->emit)
       goto fail;
 
+   fpme->so_emit = draw_pt_so_emit_create( draw );
+   if (!fpme->so_emit)
+      goto fail;
+
    fpme->llvm = draw_llvm_create(draw);
    if (!fpme->llvm)
       goto fail;
diff --git a/src/gallium/auxiliary/draw/draw_pt_so_emit.c b/src/gallium/auxiliary/draw/draw_pt_so_emit.c
new file mode 100644 (file)
index 0000000..b982e4c
--- /dev/null
@@ -0,0 +1,191 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "util/u_memory.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 "translate/translate.h"
+#include "translate/translate_cache.h"
+#include "util/u_format.h"
+
+struct pt_so_emit {
+   struct draw_context *draw;
+
+   struct translate *translate;
+
+   struct translate_cache *cache;
+   unsigned prim;
+
+   const struct vertex_info *vinfo;
+   boolean has_so;
+};
+
+static void
+prepare_so_emit( struct pt_so_emit *emit,
+                 const struct vertex_info *vinfo )
+{
+   struct draw_context *draw = emit->draw;
+   unsigned i;
+   struct translate_key hw_key;
+   unsigned dst_offset = 0;
+   unsigned output_stride = 0;
+
+   if (emit->has_so) {
+      for (i = 0; i < draw->so.state.num_outputs; ++i) {
+         unsigned src_offset = (draw->so.state.register_index[i] * 4 *
+                                sizeof(float) );
+         unsigned output_format;
+         unsigned emit_sz = 0;
+         /*unsigned output_bytes = util_format_get_blocksize(output_format);
+           unsigned nr_compo = util_format_get_nr_components(output_format);*/
+
+         output_format = draw_translate_vinfo_format(vinfo->attrib[i].emit);
+         emit_sz = draw_translate_vinfo_size(vinfo->attrib[i].emit);
+
+         /* doesn't handle EMIT_OMIT */
+         assert(emit_sz != 0);
+
+         hw_key.element[i].type = TRANSLATE_ELEMENT_NORMAL;
+         hw_key.element[i].input_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+         hw_key.element[i].input_buffer = 0;
+         hw_key.element[i].input_offset = src_offset;
+         hw_key.element[i].instance_divisor = 0;
+         hw_key.element[i].output_format = output_format;
+         hw_key.element[i].output_offset = dst_offset;
+
+         dst_offset += emit_sz;
+         output_stride += emit_sz;
+      }
+      hw_key.nr_elements = draw->so.state.num_outputs;
+      hw_key.output_stride = output_stride;
+
+      if (!emit->translate ||
+          translate_key_compare(&emit->translate->key, &hw_key) != 0)
+      {
+         translate_key_sanitize(&hw_key);
+         emit->translate = translate_cache_find(emit->cache, &hw_key);
+      }
+   } else {
+      /* no stream output */
+      emit->translate = NULL;
+   }
+}
+
+
+void draw_pt_so_emit_prepare( struct pt_so_emit *emit,
+                              unsigned prim )
+{
+   struct draw_context *draw = emit->draw;
+   boolean ok;
+
+   emit->has_so = (draw->so.state.num_outputs > 0);
+
+   if (!emit->has_so)
+      return;
+
+   /* XXX: need to flush to get prim_vbuf.c to release its allocation??
+    */
+   draw_do_flush( draw, DRAW_FLUSH_BACKEND );
+
+   emit->prim = prim;
+
+   ok = draw->render->set_primitive(draw->render, emit->prim);
+   if (!ok) {
+      assert(0);
+      return;
+   }
+
+   /* Must do this after set_primitive() above: */
+   emit->vinfo = draw->render->get_vertex_info(draw->render);
+
+   prepare_so_emit( emit, emit->vinfo );
+}
+
+
+void draw_pt_so_emit( struct pt_so_emit *emit,
+                  const float (*vertex_data)[4],
+                  unsigned vertex_count,
+                  unsigned stride )
+{
+   struct draw_context *draw = emit->draw;
+   struct translate *translate = emit->translate;
+   struct vbuf_render *render = draw->render;
+   void *so_buffer;
+
+   if (!emit->has_so)
+      return;
+
+   so_buffer = draw->so.buffers[0];
+
+   /* XXX: need to flush to get prim_vbuf.c to release its allocation??*/
+   draw_do_flush( draw, DRAW_FLUSH_BACKEND );
+
+   if (vertex_count == 0)
+      return;
+
+   if (vertex_count >= UNDEFINED_VERTEX_ID) {
+      assert(0);
+      return;
+   }
+
+
+   /* XXX we only support single output buffer right now */
+   debug_assert(draw->so.num_buffers >= 0);
+
+   translate->set_buffer(translate, 0, vertex_data,
+                         stride, ~0);
+   translate->run(translate, 0, vertex_count,
+                  draw->instance_id, so_buffer);
+}
+
+
+struct pt_so_emit *draw_pt_so_emit_create( struct draw_context *draw )
+{
+   struct pt_so_emit *emit = CALLOC_STRUCT(pt_so_emit);
+   if (!emit)
+      return NULL;
+
+   emit->draw = draw;
+   emit->cache = translate_cache_create();
+   if (!emit->cache) {
+      FREE(emit);
+      return NULL;
+   }
+
+   return emit;
+}
+
+void draw_pt_so_emit_destroy( struct pt_so_emit *emit )
+{
+   if (emit->cache)
+      translate_cache_destroy(emit->cache);
+
+   FREE(emit);
+}
diff --git a/src/gallium/drivers/softpipe/sp_state_so.c b/src/gallium/drivers/softpipe/sp_state_so.c
new file mode 100644 (file)
index 0000000..49bde22
--- /dev/null
@@ -0,0 +1,106 @@
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL 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.
+ *
+ **************************************************************************/
+
+#include "sp_context.h"
+#include "sp_state.h"
+#include "sp_texture.h"
+
+#include "util/u_format.h"
+#include "util/u_memory.h"
+#include "draw/draw_context.h"
+
+
+void *
+softpipe_create_stream_output_state(struct pipe_context *pipe,
+                                    const struct pipe_stream_output_state *templ)
+{
+   struct sp_so_state *so;
+   so = (struct sp_so_state *) CALLOC_STRUCT(sp_so_state);
+
+   if (so) {
+      so->base.num_outputs = templ->num_outputs;
+      so->base.stride = templ->stride;
+      memcpy(so->base.output_buffer,
+             templ->output_buffer,
+             sizeof(int) * templ->num_outputs);
+      memcpy(so->base.register_index,
+             templ->register_index,
+             sizeof(int) * templ->num_outputs);
+      memcpy(so->base.register_mask,
+             templ->register_mask,
+             sizeof(ubyte) * templ->num_outputs);
+   }
+   return so;
+}
+
+void
+softpipe_bind_stream_output_state(struct pipe_context *pipe,
+                                  void *so)
+{
+   struct softpipe_context *softpipe = softpipe_context(pipe);
+   struct sp_so_state *sp_so = (struct sp_so_state *) so;
+
+   softpipe->so = sp_so;
+
+   softpipe->dirty |= SP_NEW_SO;
+
+   if (sp_so)
+      draw_set_so_state(softpipe->draw, &sp_so->base);
+}
+
+void
+softpipe_delete_stream_output_state(struct pipe_context *pipe, void *so)
+{
+   FREE( so );
+}
+
+void
+softpipe_set_stream_output_buffers(struct pipe_context *pipe,
+                                   struct pipe_resource **buffers,
+                                   int *offsets,
+                                   int num_buffers)
+{
+   struct softpipe_context *softpipe = softpipe_context(pipe);
+   int i;
+   void *map_buffers[PIPE_MAX_SO_BUFFERS];
+
+   assert(num_buffers <= PIPE_MAX_SO_BUFFERS);
+
+   softpipe->dirty |= SP_NEW_SO_BUFFERS;
+
+   for (i = 0; i < num_buffers; ++i) {
+      void *mapped = softpipe_resource(buffers[i])->data;
+      if (offsets[i] >= 0)
+         map_buffers[i] = ((char*)mapped) + offsets[i];
+      else {
+         /* this is a buffer append */
+         assert(!"appending not implemented");
+         map_buffers[i] = mapped;
+      }
+   }
+   draw_set_mapped_so_buffers(softpipe->draw, map_buffers, num_buffers);
+}
index 33ee066c0c95851028c919f7457cee7ec68931ed..771bff524bde83bf3b932894a019eb3ba70cfe81 100644 (file)
@@ -348,9 +348,19 @@ struct pipe_resource
 
 struct pipe_stream_output_state
 {
+   /**< number of the output buffer to insert each element into */
+   int output_buffer[PIPE_MAX_SHADER_OUTPUTS];
+   /**< which register to grab each output from */
+   int register_index[PIPE_MAX_SHADER_OUTPUTS];
    /**< format for each output */
-   enum pipe_format format[PIPE_MAX_SHADER_OUTPUTS];
+   /**< TGSI_WRITEMASK signifying which components to output */
+   ubyte register_mask[PIPE_MAX_SHADER_OUTPUTS];
+   /**< number of outputs */
    int num_outputs;
+
+   /**< stride for an entire vertex, only used if all output_buffers
+    * are 0 */
+   unsigned stride;
 };
 
 /**