dawn-cmake/test/bug/tint/413.spvasm.expected.msl
Ben Clayton 7103f51603 writer/msl: Fix swizzling on packed vectors
Metal 1.x does not support swizzling on packed_vec types.
Use array-index for single element selection (permitted on LHS and RHS of assignment)
Cast the packed_vec to a vec for multiple element swizzles (not permitted as the LHS of an assignment).

Fixed: tint:1249
Change-Id: I70cbb0c22a935b06b3905d24484bdc2edfb95fc2
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/67060
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Ben Clayton <bclayton@google.com>
Reviewed-by: James Price <jrprice@google.com>
2021-10-20 16:12:33 +00:00

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#include <metal_stdlib>
using namespace metal;
void main_1(texture2d<uint, access::sample> tint_symbol_1, texture2d<uint, access::write> tint_symbol_2) {
uint4 srcValue = 0u;
uint4 const x_18 = tint_symbol_1.read(uint2(int2(0, 0)), 0);
srcValue = x_18;
uint const x_22 = srcValue[0];
srcValue[0] = (x_22 + as_type<uint>(1));
uint4 const x_27 = srcValue;
tint_symbol_2.write(x_27, uint2(int2(0, 0)));
return;
}
kernel void tint_symbol(texture2d<uint, access::sample> tint_symbol_3 [[texture(0)]], texture2d<uint, access::write> tint_symbol_4 [[texture(1)]]) {
main_1(tint_symbol_3, tint_symbol_4);
return;
}