From fa1b533012030cd67148b5bf1e018fd5e30c96f8 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Fri, 3 Oct 2008 13:55:40 +0100 Subject: mesa: add new internal state for tracking current vertex attribs --- src/mesa/vbo/vbo_save_draw.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) (limited to 'src/mesa/vbo/vbo_save_draw.c') diff --git a/src/mesa/vbo/vbo_save_draw.c b/src/mesa/vbo/vbo_save_draw.c index ed82f09958..4c97acddb9 100644 --- a/src/mesa/vbo/vbo_save_draw.c +++ b/src/mesa/vbo/vbo_save_draw.c @@ -64,18 +64,26 @@ static void _playback_copy_to_current( GLcontext *ctx, for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) { if (node->attrsz[i]) { GLfloat *current = (GLfloat *)vbo->currval[i].Ptr; + GLfloat tmp[4]; - COPY_CLEAN_4V(current, - node->attrsz[i], - data); + COPY_CLEAN_4V(tmp, + node->attrsz[i], + data); + + if (memcmp(current, tmp, 4 * sizeof(GLfloat)) != 0) + { + memcpy(current, tmp, 4 * sizeof(GLfloat)); - vbo->currval[i].Size = node->attrsz[i]; + vbo->currval[i].Size = node->attrsz[i]; - data += node->attrsz[i]; + if (i >= VBO_ATTRIB_FIRST_MATERIAL && + i <= VBO_ATTRIB_LAST_MATERIAL) + ctx->NewState |= _NEW_LIGHT; + + ctx->NewState |= _NEW_CURRENT_ATTRIB; + } - if (i >= VBO_ATTRIB_FIRST_MATERIAL && - i <= VBO_ATTRIB_LAST_MATERIAL) - ctx->NewState |= _NEW_LIGHT; + data += node->attrsz[i]; } } -- cgit v1.2.3