1 files changed, 170 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_swtnl_draw.c b/src/gallium/drivers/svga/svga_swtnl_draw.c
new file mode 100644
index 00000000000..8b14c913f72
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_swtnl_draw.c
@@ -0,0 +1,170 @@
+/**********************************************************
+ * Copyright 2008-2009 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, sublicense, 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 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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 "draw/draw_context.h"
+#include "draw/draw_vbuf.h"
+#include "pipe/p_inlines.h"
+#include "pipe/p_state.h"
+#include "util/u_memory.h"
+
+#include "svga_context.h"
+#include "svga_swtnl.h"
+#include "svga_state.h"
+#include "svga_swtnl_private.h"
+
+
+
+enum pipe_error
+svga_swtnl_draw_range_elements(struct svga_context *svga,
+                               struct pipe_buffer *indexBuffer,
+                               unsigned indexSize,
+                               unsigned min_index,
+                               unsigned max_index,
+                               unsigned prim, unsigned start, unsigned count)
+{
+   struct draw_context *draw = svga->swtnl.draw;
+   unsigned i;
+   const void *map;
+   enum pipe_error ret;
+
+   assert(!svga->dirty);
+   assert(svga->state.sw.need_swtnl);
+   assert(draw);
+
+   ret = svga_update_state(svga, SVGA_STATE_SWTNL_DRAW);
+   if (ret) {
+      svga_context_flush(svga, NULL);
+      ret = svga_update_state(svga, SVGA_STATE_SWTNL_DRAW);
+      svga->swtnl.new_vbuf = TRUE;
+      assert(ret == PIPE_OK);
+   }
+
+   /*
+    * Map vertex buffers
+    */
+   for (i = 0; i < svga->curr.num_vertex_buffers; i++) {
+      map = pipe_buffer_map(svga->pipe.screen,
+                            svga->curr.vb[i].buffer,
+                            PIPE_BUFFER_USAGE_CPU_READ);
+
+      draw_set_mapped_vertex_buffer(draw, i, map);
+   }
+
+   /* Map index buffer, if present */
+   if (indexBuffer) {
+      map = pipe_buffer_map(svga->pipe.screen, indexBuffer,
+                            PIPE_BUFFER_USAGE_CPU_READ);
+
+      draw_set_mapped_element_buffer_range(draw, 
+                                           indexSize, 
+                                           min_index,
+                                           max_index,
+                                           map);
+   }
+   
+   if (svga->curr.cb[PIPE_SHADER_VERTEX]) {
+      map = pipe_buffer_map(svga->pipe.screen,
+                            svga->curr.cb[PIPE_SHADER_VERTEX],
+                            PIPE_BUFFER_USAGE_CPU_READ);
+      assert(map);
+      draw_set_mapped_constant_buffer(
+         draw, 
+         map,
+         svga->curr.cb[PIPE_SHADER_VERTEX]->size);
+   }
+
+   draw_arrays(svga->swtnl.draw, prim, start, count);
+
+   draw_flush(svga->swtnl.draw);
+
+   /* Ensure the draw module didn't touch this */
+   assert(i == svga->curr.num_vertex_buffers);
+   
+   /*
+    * unmap vertex/index buffers
+    */
+   for (i = 0; i < svga->curr.num_vertex_buffers; i++) {
+      pipe_buffer_unmap(svga->pipe.screen, svga->curr.vb[i].buffer);
+      draw_set_mapped_vertex_buffer(draw, i, NULL);
+   }
+
+   if (indexBuffer) {
+      pipe_buffer_unmap(svga->pipe.screen, indexBuffer);
+      draw_set_mapped_element_buffer(draw, 0, NULL);
+   }
+
+   if (svga->curr.cb[PIPE_SHADER_VERTEX]) {
+      pipe_buffer_unmap(svga->pipe.screen,
+                        svga->curr.cb[PIPE_SHADER_VERTEX]);
+   }
+
+   return ret;
+}
+
+
+
+
+boolean svga_init_swtnl( struct svga_context *svga )
+{
+   svga->swtnl.backend = svga_vbuf_render_create(svga);
+   if(!svga->swtnl.backend)
+      goto fail;
+
+   /*
+    * Create drawing context and plug our rendering stage into it.
+    */
+   svga->swtnl.draw = draw_create();
+   if (svga->swtnl.draw == NULL)
+      goto fail;
+
+
+   draw_set_rasterize_stage(svga->swtnl.draw, 
+                            draw_vbuf_stage( svga->swtnl.draw, svga->swtnl.backend ));
+
+   draw_set_render(svga->swtnl.draw, svga->swtnl.backend);
+
+   draw_install_aaline_stage(svga->swtnl.draw, &svga->pipe);
+   draw_install_aapoint_stage(svga->swtnl.draw, &svga->pipe);
+   draw_install_pstipple_stage(svga->swtnl.draw, &svga->pipe);
+
+   draw_set_driver_clipping(svga->swtnl.draw, debug_get_bool_option("SVGA_SWTNL_FSE", FALSE));
+
+   return TRUE;
+
+fail:
+   if (svga->swtnl.backend)
+      svga->swtnl.backend->destroy( svga->swtnl.backend );
+
+   if (svga->swtnl.draw)
+      draw_destroy( svga->swtnl.draw );
+
+   return FALSE;
+}
+
+
+void svga_destroy_swtnl( struct svga_context *svga )
+{
+   draw_destroy( svga->swtnl.draw );
+}