fix for moebius infinite loop

src/mesa/drivers/common/t_dd_vbtmp.h

@@ -1,4 +1,4 @@
-/* $Id: t_dd_vbtmp.h,v 1.13 2001/04/29 08:41:09 keithw Exp $ */
+/* $Id: t_dd_vbtmp.h,v 1.14 2001/05/03 16:49:28 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -519,6 +519,7 @@ static void TAG(emit)( GLcontext *ctx, GLuint start, GLuint end,
 
 #if (DO_XYZW) && (DO_RGBA)
 
+
 #if (HAVE_PTEX_VERTICES)
 static GLboolean TAG(check_tex_sizes)( GLcontext *ctx )
 {

src/mesa/tnl/t_imm_dlist.c

@@ -1,4 +1,4 @@
-/* $Id: t_imm_dlist.c,v 1.15 2001/04/30 21:08:52 keithw Exp $ */
+/* $Id: t_imm_dlist.c,v 1.16 2001/05/03 16:49:27 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -145,12 +145,12 @@ _tnl_compile_cassette( GLcontext *ctx, struct immediate *IM )
       im->ref_count--;		 /* remove CURRENT_IM reference */
       ASSERT(im->ref_count > 0); /* it is compiled into a display list */
       SET_IMMEDIATE( ctx, new_im );
-      _tnl_reset_input( ctx, IMM_MAX_COPIED_VERTS,
-			new_beginstate, node->SavedBeginState );
+      _tnl_reset_compile_input( ctx, IMM_MAX_COPIED_VERTS,
+				new_beginstate, node->SavedBeginState );
    } else {
       /* Still some room in the current immediate.
        */
-      _tnl_reset_input( ctx, im->Count+1+IMM_MAX_COPIED_VERTS,
+      _tnl_reset_compile_input( ctx, im->Count+1+IMM_MAX_COPIED_VERTS,
 			new_beginstate, node->SavedBeginState);
    }
 }
@@ -299,7 +299,7 @@ _tnl_EndList( GLcontext *ctx )
    SET_IMMEDIATE( ctx, IM );
    IM->ref_count++;
 
-   _tnl_reset_input( ctx, IMM_MAX_COPIED_VERTS, 0, 0 );
+   _tnl_reset_exec_input( ctx, IMM_MAX_COPIED_VERTS, 0, 0 );
 }
 
 

src/mesa/tnl/t_imm_exec.c

@@ -1,4 +1,4 @@
-/* $Id: t_imm_exec.c,v 1.20 2001/05/01 13:15:28 keithw Exp $ */
+/* $Id: t_imm_exec.c,v 1.21 2001/05/03 16:49:27 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -57,12 +57,11 @@
 
 
 
-void _tnl_reset_input( GLcontext *ctx,
-		       GLuint start,
-		       GLuint beginstate,
-		       GLuint savedbeginstate )
+static void reset_input( GLcontext *ctx,
+			 GLuint start,
+			 GLuint beginstate,
+			 GLuint savedbeginstate )
 {
-   TNLcontext *tnl = TNL_CONTEXT(ctx);
    struct immediate *IM = TNL_CURRENT_IM(ctx);
 
    /* Clear the dirty part of the flag array.
@@ -70,23 +69,12 @@ void _tnl_reset_input( GLcontext *ctx,
    if (start < IM->Count+2)
       MEMSET(IM->Flag + start, 0, sizeof(GLuint) * (IM->Count+2-start));
 
-   IM->Start = IM->Count = start;
-   IM->CopyStart = IM->Start - tnl->ExecCopyCount;
-   IM->Primitive[IM->CopyStart] = ctx->Driver.CurrentExecPrimitive;
-   if (tnl->ExecParity)
-      IM->Primitive[IM->CopyStart] |= PRIM_PARITY;
-
-   if (ctx->Driver.CurrentExecPrimitive == GL_POLYGON+1) {
-      ASSERT(tnl->ExecCopyTexSize == 0);
-      ASSERT(tnl->ExecCopyCount == 0);
-      ASSERT(IM->CopyStart == IM->Start);
-   }
-
-   IM->LastPrimitive = IM->CopyStart;
+   IM->Start = start;
+   IM->Count = start;
+   IM->LastMaterial = start;
    IM->BeginState = beginstate;
    IM->SavedBeginState = savedbeginstate;
    IM->TexSize = 0;
-   IM->LastMaterial = IM->Start;
    IM->MaterialOrMask = 0;
 
    if (IM->MaterialMask) 
@@ -96,6 +84,39 @@ void _tnl_reset_input( GLcontext *ctx,
    IM->ArrayEltIncr = ctx->Array.Vertex.Enabled ? 1 : 0;
    IM->ArrayEltFlush = !ctx->Array.LockCount;
 }
+  
+void _tnl_reset_exec_input( GLcontext *ctx,
+			    GLuint start,
+			    GLuint beginstate,
+			    GLuint savedbeginstate )
+{
+   TNLcontext *tnl = TNL_CONTEXT(ctx);
+   struct immediate *IM = TNL_CURRENT_IM(ctx);
+
+   reset_input( ctx, start, beginstate, savedbeginstate );
+
+   IM->CopyStart = start - tnl->ExecCopyCount;
+   IM->Primitive[IM->CopyStart] = ctx->Driver.CurrentExecPrimitive;
+   if (tnl->ExecParity)
+      IM->Primitive[IM->CopyStart] |= PRIM_PARITY;
+
+   IM->LastPrimitive = IM->CopyStart;
+}
+
+
+void _tnl_reset_compile_input( GLcontext *ctx,
+			    GLuint start,
+			    GLuint beginstate,
+			    GLuint savedbeginstate )
+{
+   struct immediate *IM = TNL_CURRENT_IM(ctx);
+
+   reset_input( ctx, start, beginstate, savedbeginstate );
+   IM->CopyStart = start;
+   IM->LastPrimitive = IM->Start;
+}
+  
+
 
 
 
@@ -462,8 +483,8 @@ void _tnl_execute_cassette( GLcontext *ctx, struct immediate *IM )
 
       IM->ref_count++;
 	 
-      _tnl_reset_input( ctx, IMM_MAX_COPIED_VERTS, 
-			begin_state, saved_begin_state );
+      _tnl_reset_exec_input( ctx, IMM_MAX_COPIED_VERTS, 
+			     begin_state, saved_begin_state );
    }
 
    if (ctx->Driver.CurrentExecPrimitive == GL_POLYGON+1)
@@ -522,7 +543,7 @@ void _tnl_imm_init( GLcontext *ctx )
 
    /* Install the first immediate.  Intially outside begin/end.
     */
-   _tnl_reset_input( ctx, IMM_MAX_COPIED_VERTS, 0, 0 );
+   _tnl_reset_exec_input( ctx, IMM_MAX_COPIED_VERTS, 0, 0 );
    tnl->ReplayHardBeginEnd = 0;
 
    _tnl_imm_vtxfmt_init( ctx );

src/mesa/tnl/t_imm_exec.h

@@ -1,4 +1,4 @@
-/* $Id: t_imm_exec.h,v 1.4 2001/03/12 00:48:43 gareth Exp $ */
+/* $Id: t_imm_exec.h,v 1.5 2001/05/03 16:49:27 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -52,10 +52,15 @@ extern void _tnl_imm_init( GLcontext *ctx );
 
 extern void _tnl_imm_destroy( GLcontext *ctx );
 
-extern void _tnl_reset_input( GLcontext *ctx,
-			      GLuint start,
-			      GLuint beginstate,
-			      GLuint savedbeginstate );
+extern void _tnl_reset_exec_input( GLcontext *ctx,
+				   GLuint start,
+				   GLuint beginstate,
+				   GLuint savedbeginstate );
+
+extern void _tnl_reset_compile_input( GLcontext *ctx,
+				      GLuint start,
+				      GLuint beginstate,
+				      GLuint savedbeginstate );
 
 extern void _tnl_compute_orflag( struct immediate *IM );
 extern void _tnl_execute_cassette( GLcontext *ctx, struct immediate *IM );