Commit 1e1c9d9de8ab15206e834ca9219b8a84bb92469f

Charlie Lao 2023-08-11T15:16:26

Pack and reduce Program::mProgramInput size Right now mProgramInput is std::vector<sh::ShaderVariable>. It really only need a subset of ShaderVariable struct. This CL adds a ProgramInput struct so that we can add data members that actually required. This CL also makes bools into bitfield and some variables to uint16_t to further compact the size. This CL also groups the data memebers other than string to basicDataTypeStruct which only contains basic data types and the entire struct is memcpied during program binary load and save. This not just reduces number of memcpy calls, but also improves reliability so that when someone adds a new member into the struct, it will automatically load/save correctly. Bug: b/275102061 Change-Id: Ic055c986453ed46e56057a0122c9926245fef4d1 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4776267 Reviewed-by: Roman Lavrov <romanl@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Charlie Lao <cclao@google.com>