1 files changed, 135 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c
new file mode 100644
index 00000000000..8e547cbdc39
--- /dev/null
+++ b/src/mesa/pipe/softpipe/sp_context.c
@@ -0,0 +1,135 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+/* Author:
+ *    Keith Whitwell <[email protected]>
+ */
+
+#include "imports.h"
+#include "macros.h"
+
+#include "tnl/t_context.h"
+#include "vf/vf.h"
+
+#include "sp_context.h"
+#include "sp_prim.h"
+#include "sp_state.h"
+#include "sp_draw.h"
+
+static void softpipe_destroy( struct pipe_context *pipe )
+{
+   struct softpipe_context *softpipe = softpipe_context( pipe );
+
+   draw_destroy( softpipe->draw );
+
+   FREE( softpipe );
+}
+
+
+static void softpipe_draw_vb( struct pipe_context *pipe,
+			     struct vertex_buffer *VB )
+{
+   struct softpipe_context *softpipe = softpipe_context( pipe );
+
+   if (softpipe->dirty)
+      softpipe_update_derived( softpipe );
+
+   draw_vb( softpipe->draw, VB );
+}
+
+struct pipe_context *softpipe_create( void )
+{
+   struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
+
+   softpipe->pipe.destroy = softpipe_destroy;
+   softpipe->pipe.set_clip_state = softpipe_set_clip_state;
+   softpipe->pipe.set_viewport = softpipe_set_viewport;
+   softpipe->pipe.set_setup_state = softpipe_set_setup_state;
+   softpipe->pipe.set_scissor_rect = softpipe_set_scissor_rect;
+   softpipe->pipe.set_fs_state = softpipe_set_fs_state;
+   softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple;
+   softpipe->pipe.set_cbuf_state = softpipe_set_cbuf_state;
+   softpipe->pipe.draw_vb = softpipe_draw_vb;
+
+
+
+   softpipe->prim.setup     = prim_setup( softpipe );
+   softpipe->prim.unfilled  = prim_unfilled( softpipe );
+   softpipe->prim.twoside   = prim_twoside( softpipe );
+   softpipe->prim.offset    = prim_offset( softpipe );
+   softpipe->prim.clip      = prim_clip( softpipe );
+   softpipe->prim.flatshade = prim_flatshade( softpipe );
+   softpipe->prim.cull      = prim_cull( softpipe );
+
+
+   softpipe->draw = draw_create( softpipe );
+
+   ASSIGN_4V( softpipe->plane[0], -1,  0,  0, 1 );
+   ASSIGN_4V( softpipe->plane[1],  1,  0,  0, 1 );
+   ASSIGN_4V( softpipe->plane[2],  0, -1,  0, 1 );
+   ASSIGN_4V( softpipe->plane[3],  0,  1,  0, 1 );
+   ASSIGN_4V( softpipe->plane[4],  0,  0,  1, 1 ); /* yes these are correct */
+   ASSIGN_4V( softpipe->plane[5],  0,  0, -1, 1 ); /* mesa's a bit wonky */
+   softpipe->nr_planes = 6;
+
+   return &softpipe->pipe;
+}
+
+
+
+
+
+
+#define MAX_VERTEX_SIZE ((2 + FRAG_ATTRIB_MAX) * 4 * sizeof(GLfloat))
+
+void prim_alloc_tmps( struct prim_stage *stage, GLuint nr )
+{
+   stage->nr_tmps = nr;
+
+   if (nr) {
+      GLubyte *store = MALLOC(MAX_VERTEX_SIZE * nr);
+      GLuint i;
+
+      stage->tmp = MALLOC(sizeof(struct vertex_header *) * nr);
+      
+      for (i = 0; i < nr; i++)
+	 stage->tmp[i] = (struct vertex_header *)(store + i * MAX_VERTEX_SIZE);
+   }
+}
+
+void prim_free_tmps( struct prim_stage *stage )
+{
+   if (stage->tmp) {
+      FREE(stage->tmp[0]);
+      FREE(stage->tmp);
+   }
+}
+
+
+
+
+