some re-org, clean-up

diff --git a/src/mesa/swrast_setup/ss_context.c b/src/mesa/swrast_setup/ss_context.c
index e1b60d0e8554a91798e8f99f42dacacfb1879383..075f7791baee2cabce998daee87e08f9a75d1d49 100644 (file)
--- a/src/mesa/swrast_setup/ss_context.c
+++ b/src/mesa/swrast_setup/ss_context.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
+ * Version:  6.5.3
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   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"),
@@ -85,6 +85,10 @@ _swsetup_RenderPrimitive( GLcontext *ctx, GLenum mode )
    _swrast_render_primitive( ctx, mode );
 }
 
+
+/**
+ * Helper macros for setup_vertex_format()
+ */
 #define SWZ ((SWvertex *)0)
 #define SWOffset(MEMBER) (((char *)&(SWZ->MEMBER)) - ((char *)SWZ))
 
@@ -96,32 +100,20 @@ do {                                               \
    e++;                                                \
 } while (0)
 
-/*
- * We patch this function into tnl->Driver.Render.Start.
- * It's called when we start rendering a vertex buffer.
+
+/**
+ * Tell the tnl module how to build SWvertex objects for swrast.
+ * We'll build the map[] array with that info and pass it to
+ * _tnl_install_attrs().
  */
 static void
-_swsetup_RenderStart( GLcontext *ctx )
+setup_vertex_format(GLcontext *ctx)
 {
-   SScontext *swsetup = SWSETUP_CONTEXT(ctx);
    TNLcontext *tnl = TNL_CONTEXT(ctx);
-   struct vertex_buffer *VB = &tnl->vb;
-   GLuint new_state = swsetup->NewState;
-
-   if (new_state & _SWSETUP_NEW_RENDERINDEX) {
-      _swsetup_choose_trifuncs( ctx );
-   }
-
-   swsetup->NewState = 0;
-
-   _swrast_render_start( ctx );
-
-   /* Important:
-    */
-   VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
-
+   SScontext *swsetup = SWSETUP_CONTEXT(ctx);
 
-   if (!RENDERINPUTS_EQUAL(tnl->render_inputs_bitset, swsetup->last_index_bitset)) {
+   if (!RENDERINPUTS_EQUAL(tnl->render_inputs_bitset,
+                           swsetup->last_index_bitset)) {
       DECLARE_RENDERINPUTS(index_bitset);
       struct tnl_attr_map map[_TNL_ATTRIB_MAX];
       int i, e = 0;
@@ -142,10 +134,12 @@ _swsetup_RenderStart( GLcontext *ctx )
       if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG ))
          EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F, fog);
 
-      if (RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) {
+      if (RENDERINPUTS_TEST_RANGE(index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX))
+      {
          for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
             if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX(i) )) {
-               EMIT_ATTR( _TNL_ATTRIB_TEX(i), EMIT_4F, attrib[FRAG_ATTRIB_TEX0 + i] );
+               EMIT_ATTR( _TNL_ATTRIB_TEX(i), EMIT_4F,
+                          attrib[FRAG_ATTRIB_TEX0 + i] );
             }
          }
       }
@@ -172,6 +166,33 @@ _swsetup_RenderStart( GLcontext *ctx )
    }
 }
 
+
+/**
+ * Prepare to render a vertex buffer.
+ * Called via tnl->Driver.Render.Start.
+ */
+static void
+_swsetup_RenderStart( GLcontext *ctx )
+{
+   SScontext *swsetup = SWSETUP_CONTEXT(ctx);
+   TNLcontext *tnl = TNL_CONTEXT(ctx);
+   struct vertex_buffer *VB = &tnl->vb;
+
+   if (swsetup->NewState & _SWSETUP_NEW_RENDERINDEX) {
+      _swsetup_choose_trifuncs(ctx);
+   }
+
+   swsetup->NewState = 0;
+
+   _swrast_render_start(ctx);
+
+   /* Important */
+   VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
+
+   setup_vertex_format(ctx);
+}
+
+
 /*
  * We patch this function into tnl->Driver.Render.Finish.
  * It's called when we finish rendering a vertex buffer.