redo the linear paths

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

diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index 39aa81b43cf8a017bc18b7aa8cc0e3c3ad3cb62d..e036d498b8789137452d46f6d9eeb8d905b2bc67 100644 (file)
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -78,25 +78,6 @@ struct vertex_header {
 #define UNDEFINED_VERTEX_ID 0xffff
 
 
-/**
- * Basic info for a point/line/triangle primitive.
- */
-struct prim_header {
-   float det;                 /**< front/back face determinant */
-   unsigned reset_line_stipple:1;
-   unsigned edgeflags:3;
-   unsigned pad:28;
-   struct vertex_header *v[3];  /**< 1 to 3 vertex pointers */
-};
-
-
-
-
-#define PT_SHADE      0x1
-#define PT_CLIPTEST   0x2
-#define PT_PIPELINE   0x4
-#define PT_MAX_MIDDLE 0x8
-
 /**
  * Private context for the drawing module.
  */
@@ -148,6 +129,7 @@ struct draw_context
 
       struct {
          struct draw_pt_front_end *vcache;
+         struct draw_pt_front_end *varray;
       } front;
 
       struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
@@ -178,9 +160,9 @@ struct draw_context
       boolean bypass_clipping;
    } driver;
 
-   boolean flushing;
-   boolean vcache_flushing;
-   boolean bypass_clipping;     /* set if either api or driver bypass_clipping true */
+   boolean flushing;         /**< debugging/sanity */
+   boolean suspend_flushing; /**< internally set */
+   boolean bypass_clipping;  /**< set if either api or driver bypass_clipping true */
 
    /* pipe state that we need: */
    const struct pipe_rasterizer_state *rasterizer;
@@ -238,6 +220,25 @@ void draw_pt_reset_vertex_ids( struct draw_context *draw );
 boolean draw_pipeline_init( struct draw_context *draw );
 void draw_pipeline_destroy( struct draw_context *draw );
 
+
+
+
+
+/* We use the top few bits in the elts[] parameter to convey a little
+ * API information.  This limits the number of vertices we can address
+ * to only 4096 -- if that becomes a problem, we can switch to 32-bit
+ * draw indices.
+ *
+ * These flags expected at first vertex of lines & triangles when
+ * unfilled and/or line stipple modes are operational.
+ */
+#define DRAW_PIPE_EDGE_FLAG_0   (0x1<<12)
+#define DRAW_PIPE_EDGE_FLAG_1   (0x2<<12)
+#define DRAW_PIPE_EDGE_FLAG_2   (0x4<<12)
+#define DRAW_PIPE_EDGE_FLAG_ALL (0x7<<12)
+#define DRAW_PIPE_RESET_STIPPLE (0x8<<12)
+#define DRAW_PIPE_FLAG_MASK     (0xf<<12)
+
 void draw_pipeline_run( struct draw_context *draw,
                         unsigned prim,
                         struct vertex_header *vertices,
@@ -246,6 +247,14 @@ void draw_pipeline_run( struct draw_context *draw,
                         const ushort *elts,
                         unsigned count );
 
+void draw_pipeline_run_linear( struct draw_context *draw,
+                               unsigned prim,
+                               struct vertex_header *vertices,
+                               unsigned count,
+                               unsigned stride );
+
+
+
 void draw_pipeline_flush( struct draw_context *draw, 
                           unsigned flags );