dawn-cmake/docs/origin-trial-changes.md

Tint changes during Origin Trial

Changes for M97

Breaking Changes

• Deprecated modf() and frexp() builtin overloads that take a pointer second parameter have been removed.
• Deprecated texture builtin functions that accepted a read access controlled storage texture have been removed.
• Storage textures must now only use the write access control.

Fixes

• Swizzling of vec3 types in storage and uniform buffers has been fixed for Metal 1.x. tint:1249

Changes for M95

New Features

• The size of an array can now be defined using a non-overridable module-scope constant
• The num_workgroups builtin is now supported.

Fixes

• Hex floats: now correctly errors when the magnitude is non-zero, and the exponent would cause overflow. tint:1150, tint:1166
• Identifiers beginning with an underscore are now correctly rejected. tint:1179
• abs() fixed for unsigned integers on SPIR-V backend tint:1179