Allocate a sw_span struct in the swrast context instead of allocating it

on the stack frame in the point/line/triangle functions. (Klaus Niederkrueger)
This should solve the performance problem Karl found on Windows.

1 files changed, 10 insertions, 1 deletions

diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index fa91f15a8ff..96572aa0634 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -1,4 +1,4 @@
-/* $Id: s_context.c,v 1.30 2002/04/19 00:38:27 brianp Exp $ */
+/* $Id: s_context.c,v 1.31 2002/04/19 14:05:50 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -494,7 +494,14 @@ _swrast_CreateContext( GLcontext *ctx )
    for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++)
       swrast->TextureSample[i] = _swrast_validate_texture_sample;
 
+   swrast->span = (struct sw_span *) MALLOC(sizeof(struct sw_span));
+   if (!swrast->span) {
+     FREE(swrast);
+     return GL_FALSE;
+   }
+   
    ctx->swrast_context = swrast;
+
    return GL_TRUE;
 }
 
@@ -507,6 +514,8 @@ _swrast_DestroyContext( GLcontext *ctx )
       fprintf(stderr, "_swrast_DestroyContext\n");
    }
 
+   FREE( swrast->span );
+   
    FREE( swrast );
 
    ctx->swrast_context = 0;