On 09/26/2014 04:13 PM, Kenneth Graunke wrote:
Cuts the number of i965 color calculator viewport uploads by 100x (11017983 -> 113385) in 'x11perf -gc' with Glamor in Xephyr.Signed-off-by: Kenneth Graunke <kenn...@whitecape.org> --- src/mesa/main/viewport.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/mesa/main/viewport.c b/src/mesa/main/viewport.c index 6545bf6..222ae30 100644 --- a/src/mesa/main/viewport.c +++ b/src/mesa/main/viewport.c @@ -58,6 +58,12 @@ set_viewport_no_notify(struct gl_context *ctx, unsigned idx, ctx->Const.ViewportBounds.Min, ctx->Const.ViewportBounds.Max); } + if (ctx->ViewportArray[idx].X == x && + ctx->ViewportArray[idx].Width == width && + ctx->ViewportArray[idx].Y == y && + ctx->ViewportArray[idx].Height == height) + return; + ctx->ViewportArray[idx].X = x; ctx->ViewportArray[idx].Width = width; ctx->ViewportArray[idx].Y = y;
Reviewed-by: Brian Paul <bri...@vmware.com> _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
