Add third shader type for RGB(A) and refactor according to the Rule of three. BUG=webrtc:4742 R=hbos@webrtc.org Review URL: https://codereview.webrtc.org/1311093005 . Cr-Commit-Position: refs/heads/master@{#9843}
Add third shader type for RGB(A) and refactor according to the Rule of three. BUG=webrtc:4742 R=hbos@webrtc.org Review URL: https://codereview.webrtc.org/1311093005 . Cr-Commit-Position: refs/heads/master@{#9843}