Commit fb94831942234845151c879b596be438bce996a6
2023-01-31T18:16:41
Revert "Metal: rewrite default uniforms and uniform blocks" This reverts commit b8bfe6f6c04a6cf4fac81f0363ad23a0b92b22f2. Reason for revert: potential cause of crashes/timeouts in crbug.com/1411755 Original change's description: > Metal: rewrite default uniforms and uniform blocks > > Instead of rewriting uniforms in shaders to match std140 layout, > re-pack incoming uniform blocks' std140 packed variables to match > Metal's layout. > > This change intorduces a new BlockLayoutEncoder for Metal types > The block encoder handles packing typically larger GL types (bools) > into smaller types, and adding support for more compressed matrix types. > > Since we no longer need to do shader-time packing and unpacking of data > from std140 padded structs, complicated shader transformations have been > removed. This patch greatly reduces register pressure, especially when > working with shaders with arrays of previously expanded types. (Vec3's) > > Bug: angleproject:7137 > Change-Id: Icd1da8c7a383f3354313a58618fc1bf6656726b4 > Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3733524 > Commit-Queue: Kyle Piddington <kpiddington@apple.com> > Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> > Reviewed-by: Kenneth Russell <kbr@chromium.org> Bug: angleproject:7137 Bug: chromium:1411755 Change-Id: I1b6a62d7eb542c3e7ef4b84858ab2683abb66f8b No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4210448 Commit-Queue: Kenneth Russell <kbr@chromium.org> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>