kc3-lang/angle

2014-08-25T13:58:16

Optimize dynamic buffers. In D3D11, we would previously always use a staging buffer to proxy data to the GPU. This change allows users which specify DYNAMIC_DRAW to skip the staging buffer as long as they only write to index or vertex buffers. This improves performance on all tested GPU vendors, but in D3D11 on AMD and Intel our SubData calls are still significantly slower than in D3D9. BUG=angle:705 BUG=365078 Change-Id: I4f83164176d67ff00119bdd0a6a80d7c84fd0f03 Reviewed-on: https://chromium-review.googlesource.com/213813 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>