From 2e068c7f2aca6a40bcf1e4c5bc85c26f478fe786 Mon Sep 17 00:00:00 2001 From: Paul Olav Tvete Date: Tue, 1 Oct 2019 15:19:37 +0200 Subject: Add TriangleFan pipeline topology Triangle fan drawing is only supported on some platforms. The feature flag QRhi::TriangleFanTopology is set accordingly. In general, TriangleStrip topology will be more efficient on most GPUs. However, if polygon data is already stored as triangle fans, the CPU savings may be more significant. Change-Id: I9704fad751d2119eac8791074f58942dd9315601 Reviewed-by: Laszlo Agocs --- src/gui/rhi/qrhimetal.mm | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/gui/rhi/qrhimetal.mm') diff --git a/src/gui/rhi/qrhimetal.mm b/src/gui/rhi/qrhimetal.mm index 344be44d48..f9d9cdc01a 100644 --- a/src/gui/rhi/qrhimetal.mm +++ b/src/gui/rhi/qrhimetal.mm @@ -550,6 +550,8 @@ bool QRhiMetal::isFeatureSupported(QRhi::Feature feature) const return true; case QRhi::BaseInstance: return true; + case QRhi::TriangleFanTopology: + return false; default: Q_UNREACHABLE(); return false; -- cgit v1.2.3