Create shared method for creating D3D MSAA textures.
Both D3DTextureRenderTarget and D3DRenderTarget can create MSAA
resources, and each had its own method. This consolidates everything
into one.
Also sets the default clear values for D3DTRT to be transparent black,
as often they're used to generate masks.
Change-Id: I3a573776d9445c6c73c0192e1ad56a70bc9c682b
Bug: skia:9935
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/303270
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
5 files changed