mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-07-12 08:05:53 +00:00
009d129103
Transform any SPIR-V that has an array with a custom stride:
@stride(S) array<T, N>
into:
struct strided_arr {
@size(S) er : T;
};
array<strided_arr, N>
Also remove any @stride decorations that match the default array stride.
Bug: tint:1394
Bug: tint:1381
Change-Id: I8be8f3a76c5335fdb2bc5183388366091dbc7642
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/78781
Reviewed-by: David Neto <dneto@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
37 lines
911 B
Plaintext
37 lines
911 B
Plaintext
#include <metal_stdlib>
|
|
|
|
using namespace metal;
|
|
struct strided_arr {
|
|
/* 0x0000 */ float2 el;
|
|
/* 0x0008 */ int8_t tint_pad[8];
|
|
};
|
|
struct tint_array_wrapper {
|
|
/* 0x0000 */ strided_arr arr[2];
|
|
};
|
|
struct SSBO {
|
|
/* 0x0000 */ tint_array_wrapper m;
|
|
};
|
|
|
|
float2x2 arr_to_mat2x2_stride_16(tint_array_wrapper arr) {
|
|
return float2x2(arr.arr[0u].el, arr.arr[1u].el);
|
|
}
|
|
|
|
tint_array_wrapper mat2x2_stride_16_to_arr(float2x2 mat) {
|
|
strided_arr const tint_symbol = {.el=mat[0u]};
|
|
strided_arr const tint_symbol_1 = {.el=mat[1u]};
|
|
tint_array_wrapper const tint_symbol_2 = {.arr={tint_symbol, tint_symbol_1}};
|
|
return tint_symbol_2;
|
|
}
|
|
|
|
void f_1(device SSBO* const tint_symbol_3) {
|
|
float2x2 const x_15 = arr_to_mat2x2_stride_16((*(tint_symbol_3)).m);
|
|
(*(tint_symbol_3)).m = mat2x2_stride_16_to_arr(x_15);
|
|
return;
|
|
}
|
|
|
|
kernel void f(device SSBO* tint_symbol_4 [[buffer(0)]]) {
|
|
f_1(tint_symbol_4);
|
|
return;
|
|
}
|
|
|