Add world space coordinates map to GBuffer and add its image usage as input attachment#18

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whatevermarch wants to merge 3 commits intoGPUOpen-LibrariesAndSDKs:masterfrom

whatevermarch:gbuffer

Commits on Jan 20, 2021

Add world space coordinate buffer support in GBuffer
whatevermarch
committed

Commits on Jan 30, 2021

Add image usage as input attachment to GBuffer, fix color blending state in GltfPbrPass
whatevermarch
committed

Commits on Jan 31, 2021

Fix Bug on creating GBuffer render pass without depth attachment
whatevermarch
committed