1 files changed, 163 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_context.c b/src/gallium/drivers/llvmpipe/lp_context.c
new file mode 100644
index 0000000000..3db4f12ebb
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_context.c
@@ -0,0 +1,163 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * Copyright 2008 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.
+ * 
+ **************************************************************************/
+
+/* Author:
+ *    Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "draw/draw_context.h"
+#include "draw/draw_vbuf.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "util/u_simple_list.h"
+#include "lp_clear.h"
+#include "lp_context.h"
+#include "lp_flush.h"
+#include "lp_perf.h"
+#include "lp_state.h"
+#include "lp_surface.h"
+#include "lp_query.h"
+#include "lp_setup.h"
+
+static void llvmpipe_destroy( struct pipe_context *pipe )
+{
+   struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
+   uint i, j;
+
+   lp_print_counters();
+
+   /* This will also destroy llvmpipe->setup:
+    */
+   if (llvmpipe->draw)
+      draw_destroy( llvmpipe->draw );
+
+   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
+      pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL);
+   }
+
+   pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL);
+
+   for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
+      pipe_sampler_view_reference(&llvmpipe->fragment_sampler_views[i], NULL);
+   }
+
+   for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
+      pipe_sampler_view_reference(&llvmpipe->vertex_sampler_views[i], NULL);
+   }
+
+   for (i = 0; i < Elements(llvmpipe->constants); i++) {
+      for (j = 0; j < Elements(llvmpipe->constants[i]); j++) {
+         pipe_resource_reference(&llvmpipe->constants[i][j], NULL);
+      }
+   }
+
+   align_free( llvmpipe );
+}
+
+
+struct pipe_context *
+llvmpipe_create_context( struct pipe_screen *screen, void *priv )
+{
+   struct llvmpipe_context *llvmpipe;
+
+   llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16);
+   if (!llvmpipe)
+      return NULL;
+
+   util_init_math();
+
+   memset(llvmpipe, 0, sizeof *llvmpipe);
+
+   make_empty_list(&llvmpipe->fs_variants_list);
+
+   llvmpipe->pipe.winsys = screen->winsys;
+   llvmpipe->pipe.screen = screen;
+   llvmpipe->pipe.priv = priv;
+
+   /* Init the pipe context methods */
+   llvmpipe->pipe.destroy = llvmpipe_destroy;
+   llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
+   llvmpipe->pipe.clear = llvmpipe_clear;
+   llvmpipe->pipe.flush = llvmpipe_flush;
+
+   llvmpipe_init_blend_funcs(llvmpipe);
+   llvmpipe_init_clip_funcs(llvmpipe);
+   llvmpipe_init_draw_funcs(llvmpipe);
+   llvmpipe_init_sampler_funcs(llvmpipe);
+   llvmpipe_init_query_funcs( llvmpipe );
+   llvmpipe_init_vertex_funcs(llvmpipe);
+   llvmpipe_init_so_funcs(llvmpipe);
+   llvmpipe_init_fs_funcs(llvmpipe);
+   llvmpipe_init_vs_funcs(llvmpipe);
+   llvmpipe_init_gs_funcs(llvmpipe);
+   llvmpipe_init_rasterizer_funcs(llvmpipe);
+   llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
+   llvmpipe_init_surface_functions(llvmpipe);
+
+   /*
+    * Create drawing context and plug our rendering stage into it.
+    */
+   llvmpipe->draw = draw_create(&llvmpipe->pipe);
+   if (!llvmpipe->draw)
+      goto fail;
+
+   /* FIXME: devise alternative to draw_texture_samplers */
+
+   if (debug_get_bool_option( "LP_NO_RAST", FALSE ))
+      llvmpipe->no_rast = TRUE;
+
+   llvmpipe->setup = lp_setup_create( &llvmpipe->pipe,
+                                      llvmpipe->draw );
+   if (!llvmpipe->setup)
+      goto fail;
+
+   /* plug in AA line/point stages */
+   draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
+   draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
+   draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
+
+   /* convert points and lines into triangles: */
+   draw_wide_point_threshold(llvmpipe->draw, 0.0);
+   draw_wide_line_threshold(llvmpipe->draw, 0.0);
+
+#if USE_DRAW_STAGE_PSTIPPLE
+   /* Do polygon stipple w/ texture map + frag prog? */
+   draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
+#endif
+
+   lp_reset_counters();
+
+   return &llvmpipe->pipe;
+
+ fail:
+   llvmpipe_destroy(&llvmpipe->pipe);
+   return NULL;
+}
+