Massive SDK update.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Avoid changing depth buffer function

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Fix default value.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Clear all bound textures each draw call.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Add missing call _popBind.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Set clear depth and blend state

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Fix renderer test.

Signed-off-by: John McCutchan <john@johnmccutchan.com>
Merge branch 'master' of https://github.com/johnmccutchan/spectre