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Ensure PRIM_BEGIN marker isn't lost when incomplete primitives are wrapped.

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This commit is contained in:
Keith Whitwell
2003-12-03 10:15:17 +00:00
parent 9b0dcfd408
commit 6ff60049a4
3 changed files with 27 additions and 14 deletions
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22
src/mesa/tnl/t_save_api.c
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@@ -306,6 +306,7 @@ static void _save_wrap_buffers( GLcontext *ctx )
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLint i = tnl->save.prim_count - 1;
GLenum mode;
GLuint count;
assert(i < (GLint) tnl->save.prim_max);
assert(i >= 0);
@@ -314,7 +315,9 @@ static void _save_wrap_buffers( GLcontext *ctx )
*/
tnl->save.prim[i].count = ((tnl->save.initial_counter - tnl->save.counter) -
tnl->save.prim[i].start);
mode = tnl->save.prim[i].mode & ~(PRIM_BEGIN|PRIM_END);
count = tnl->save.prim[i].count;
mode = tnl->save.prim[i].mode;
/* store the copied vertices, and allocate a new list.
*/
@@ -322,10 +325,19 @@ static void _save_wrap_buffers( GLcontext *ctx )
/* Restart interrupted primitive
*/
tnl->save.prim[0].mode = mode;
tnl->save.prim[0].start = 0;
tnl->save.prim[0].count = 0;
tnl->save.prim_count = 1;
if (!(mode & PRIM_END)) {
if (count == tnl->save.copied.nr)
tnl->save.prim[0].mode = mode;
else
tnl->save.prim[0].mode = mode & ~PRIM_BEGIN;
tnl->save.prim[0].start = 0;
tnl->save.prim[0].count = 0;
tnl->save.prim_count = 1;
}
else
tnl->save.prim_count = 0;
}