tgsi/ureg: make the dst register match the src indirection

[mesa.git] / src / gallium / auxiliary / draw / draw_pt.h

diff --git a/src/gallium/auxiliary/draw/draw_pt.h b/src/gallium/auxiliary/draw/draw_pt.h
index 42c4f83272d598d31f32e80e860e105826b02e5c..dca836859cc258b0acbfffb466e5422b6b49de9b 100644 (file)
--- a/src/gallium/auxiliary/draw/draw_pt.h
+++ b/src/gallium/auxiliary/draw/draw_pt.h
@@ -35,8 +35,6 @@
 
 #include "pipe/p_compiler.h"
 
-typedef unsigned (*pt_elt_func)( const void *elts, unsigned idx );
-
 struct draw_pt_middle_end;
 struct draw_context;
 struct draw_prim_info;
@@ -52,13 +50,18 @@ struct draw_vertex_info;
 /* The "front end" - prepare sets of fetch, draw elements for the
  * middle end.
  *
- * Currenly one version of this:
- *    - vcache - catchall implementation, decomposes to TRI/LINE/POINT prims
- * Later:
- *    - varray, varray_split
- *    - velement, velement_split
+ * The fetch elements are indices to the vertices.  The draw elements are
+ * indices to the fetched vertices.  When both arrays of elements are both
+ * linear, middle->run_linear is called;  When only the fetch elements are
+ * linear, middle->run_linear_elts is called;  Otherwise, middle->run is
+ * called.
+ *
+ * When the number of the draw elements exceeds max_vertex of the middle end,
+ * the draw elements (as well as the fetch elements) are splitted and the
+ * middle end is called multiple times.
  *
- * Currenly only using the vcache version.
+ * Currenly there is:
+ *    - vsplit - catchall implementation, splits big prims
  */
 struct draw_pt_front_end {
    void (*prepare)( struct draw_pt_front_end *,
@@ -70,7 +73,7 @@ struct draw_pt_front_end {
                 unsigned start,
                 unsigned count );
 
-   void (*finish)( struct draw_pt_front_end * );
+   void (*flush)( struct draw_pt_front_end *, unsigned flags );
    void (*destroy)( struct draw_pt_front_end * );
 };
 
@@ -90,6 +93,13 @@ struct draw_pt_middle_end {
                    unsigned opt,
                     unsigned *max_vertices );
 
+   /**
+    * Bind/update parameter state such as constants, viewport dims
+    * and clip planes.  Basically, stuff which isn't "baked" into the
+    * shader or pipeline state.
+    */
+   void (*bind_parameters)(struct draw_pt_middle_end *);
+
    void (*run)( struct draw_pt_middle_end *,
                 const unsigned *fetch_elts,
                 unsigned fetch_count,
@@ -125,19 +135,11 @@ struct vbuf_render;
 struct vertex_header;
 
 
-/* Helper functions.
- */
-pt_elt_func draw_pt_elt_func( struct draw_context *draw );
-const void *draw_pt_elt_ptr( struct draw_context *draw,
-                             unsigned start );
-
 /* Frontends: 
  *
- * Currently only the general-purpose vcache implementation, could add
- * a special case for tiny vertex buffers.
+ * Currently only the general-purpose vsplit implementation.
  */
-struct draw_pt_front_end *draw_pt_vcache( struct draw_context *draw );
-struct draw_pt_front_end *draw_pt_varray(struct draw_context *draw);
+struct draw_pt_front_end *draw_pt_vsplit(struct draw_context *draw);
 
 
 /* Middle-ends:
@@ -183,7 +185,7 @@ struct pt_emit *draw_pt_emit_create( struct draw_context *draw );
  */
 struct pt_so_emit;
 
-void draw_pt_so_emit_prepare( struct pt_so_emit *emit );
+void draw_pt_so_emit_prepare(struct pt_so_emit *emit, boolean use_pre_clip_pos);
 
 void draw_pt_so_emit( struct pt_so_emit *emit,
                       const struct draw_vertex_info *vert_info,
@@ -226,9 +228,12 @@ boolean draw_pt_post_vs_run( struct pt_post_vs *pvs,
                             struct draw_vertex_info *info );
 
 void draw_pt_post_vs_prepare( struct pt_post_vs *pvs,
-                             boolean bypass_clipping,
+                             boolean clip_xy,
+                             boolean clip_z,
+                             boolean clip_user,
+                              boolean guard_band,
                              boolean bypass_viewport,
-                             boolean opengl,
+                              boolean clip_halfz,
                              boolean need_edgeflags );
 
 struct pt_post_vs *draw_pt_post_vs_create( struct draw_context *draw );
@@ -240,6 +245,7 @@ void draw_pt_post_vs_destroy( struct pt_post_vs *pvs );
  * Utils: 
  */
 void draw_pt_split_prim(unsigned prim, unsigned *first, unsigned *incr);
+unsigned draw_pt_trim_count(unsigned count, unsigned first, unsigned incr);
 
 
 #endif