1 files changed, 159 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_context.h b/src/gallium/drivers/llvmpipe/lp_setup_context.h
new file mode 100644
index 0000000000..a5fc34e54a
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_setup_context.h
@@ -0,0 +1,159 @@
+/**************************************************************************
+ *
+ * Copyright 2007-2009 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, 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.
+ *
+ **************************************************************************/
+
+
+/**
+ * The setup code is concerned with point/line/triangle setup and
+ * putting commands/data into the bins.
+ */
+
+
+#ifndef LP_SETUP_CONTEXT_H
+#define LP_SETUP_CONTEXT_H
+
+#include "lp_setup.h"
+#include "lp_rast.h"
+#include "lp_tile_soa.h"        /* for TILE_SIZE */
+#include "lp_scene.h"
+
+#include "draw/draw_vbuf.h"
+
+#define LP_SETUP_NEW_FS          0x01
+#define LP_SETUP_NEW_CONSTANTS   0x02
+#define LP_SETUP_NEW_BLEND_COLOR 0x04
+#define LP_SETUP_NEW_SCISSOR     0x08
+
+
+struct lp_scene_queue;
+
+
+/** Max number of scenes */
+#define MAX_SCENES 2
+
+
+
+/**
+ * Point/line/triangle setup context.
+ * Note: "stored" below indicates data which is stored in the bins,
+ * not arbitrary malloc'd memory.
+ *
+ *
+ * Subclass of vbuf_render, plugged directly into the draw module as
+ * the rendering backend.
+ */
+struct setup_context
+{
+   struct vbuf_render base;
+
+   struct vertex_info *vertex_info;
+   uint prim;
+   uint vertex_size;
+   uint nr_vertices;
+   uint vertex_buffer_size;
+   void *vertex_buffer;
+
+   /* Final pipeline stage for draw module.  Draw module should
+    * create/install this itself now.
+    */
+   struct draw_stage *vbuf;
+   struct lp_rasterizer *rast;
+   struct lp_scene *scenes[MAX_SCENES];  /**< all the scenes */
+   struct lp_scene *scene;               /**< current scene being built */
+   struct lp_scene_queue *empty_scenes;  /**< queue of empty scenes */
+
+   boolean flatshade_first;
+   boolean ccw_is_frontface;
+   boolean scissor_test;
+   unsigned cullmode;
+
+   struct pipe_framebuffer_state fb;
+
+   struct {
+      unsigned flags;
+      union lp_rast_cmd_arg color;    /**< lp_rast_clear_color() cmd */
+      union lp_rast_cmd_arg zstencil; /**< lp_rast_clear_zstencil() cmd */
+   } clear;
+
+   enum {
+      SETUP_FLUSHED,
+      SETUP_CLEARED,
+      SETUP_ACTIVE
+   } state;
+   
+   struct {
+      struct lp_shader_input input[PIPE_MAX_ATTRIBS];
+      unsigned nr_inputs;
+
+      const struct lp_rast_state *stored; /**< what's in the scene */
+      struct lp_rast_state current;  /**< currently set state */
+   } fs;
+
+   /** fragment shader constants */
+   struct {
+      struct pipe_buffer *current;
+      unsigned stored_size;
+      const void *stored_data;
+   } constants;
+
+   struct {
+      struct pipe_blend_color current;
+      uint8_t *stored;
+   } blend_color;
+
+   struct {
+      struct pipe_scissor_state current;
+      const void *stored;
+   } scissor;
+
+   unsigned dirty;   /**< bitmask of LP_SETUP_NEW_x bits */
+
+   void (*point)( struct setup_context *,
+                  const float (*v0)[4]);
+
+   void (*line)( struct setup_context *,
+                 const float (*v0)[4],
+                 const float (*v1)[4]);
+
+   void (*triangle)( struct setup_context *,
+                     const float (*v0)[4],
+                     const float (*v1)[4],
+                     const float (*v2)[4]);
+};
+
+void lp_setup_choose_triangle( struct setup_context *setup );
+void lp_setup_choose_line( struct setup_context *setup );
+void lp_setup_choose_point( struct setup_context *setup );
+
+struct lp_scene *lp_setup_get_current_scene(struct setup_context *setup);
+
+void lp_setup_init_vbuf(struct setup_context *setup);
+
+void lp_setup_update_state( struct setup_context *setup );
+
+void lp_setup_destroy( struct setup_context *setup );
+
+#endif