diff options
| -rw-r--r-- | src/mesa/vbo/vbo_exec_api.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/mesa/vbo/vbo_exec_api.c b/src/mesa/vbo/vbo_exec_api.c index b7f4d8a3075..35dc0e768f5 100644 --- a/src/mesa/vbo/vbo_exec_api.c +++ b/src/mesa/vbo/vbo_exec_api.c @@ -309,16 +309,23 @@ static void vbo_exec_fixup_vertex( GLcontext *ctx, GLuint attr, GLuint sz ) { struct vbo_exec_context *exec = &vbo_context(ctx)->exec; + static const GLfloat id[4] = { 0, 0, 0, 1 }; int i; - if (sz > exec->vtx.attrsz[attr]) { + if (exec->vtx.prim_count == 0) { + GLfloat *current = (GLfloat *)vbo_context(ctx)->currval[attr].Ptr; + exec->vtx.attrptr[attr] = current; + memcpy(current, id, sizeof(id)); + ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT; + return; + } + else if (sz > exec->vtx.attrsz[attr]) { /* New size is larger. Need to flush existing vertices and get * an enlarged vertex format. */ vbo_exec_wrap_upgrade_vertex( exec, attr, sz ); } else if (sz < exec->vtx.active_sz[attr]) { - static const GLfloat id[4] = { 0, 0, 0, 1 }; /* New size is smaller - just need to fill in some * zeros. Don't need to flush or wrap. |