[opengl] Use element shape as compile information for OpenGL backend #4284
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turbo0628
commented
Feb 16, 2022
ailzhang
reviewed
Feb 21, 2022
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Related issue = #3903
Motivation:
Taichi automatically re-compiles the kernel when element shapes change. Therefore, element shape is compile-time static. This PR embed the element shape information into shader code for OpenGL backend.
Briefings:
ExternalTensorExpressionandExternalPtrStmtto get layout and element shape information.