tree a813420ee79e565a32b40647947345ee066a1f3f
parent e2fc52d5d762ab98af2514ba8d2220274aa31bd7
author magjed <magjed@webrtc.org> 1493281593 -0700
committer Commit bot <commit-bot@chromium.org> 1493281593 +0000

ObjC: Split out NV12 texture uploading into separate class

This CL splits out the code in RTCNV12Shader.mm for uploading byte
buffers to textures into its own class RTCNV12TextureCache. The purpose
is to prepare for allowing clients to inject their own shaders.
RTCNV12TextureCache will be used in the generic code, while the actual
shaders in RTCNV12Shader will be customizable by the client.

BUG=webrtc:7473

Review-Url: https://codereview.webrtc.org/2835203003
Cr-Original-Commit-Position: refs/heads/master@{#17902}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 15f0c6815d089640230e625a4a9faa53b7dd7f62