dawn-cmake/test/bug/tint/942.wgsl.expected.msl

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#include <metal_stdlib>
using namespace metal;
struct Params {
/* 0x0000 */ uint filterDim;
/* 0x0004 */ uint blockDim;
};
struct Flip {
/* 0x0000 */ uint value;
};
struct tint_array_wrapper_1 {
float3 arr[256];
};
struct tint_array_wrapper {
tint_array_wrapper_1 arr[4];
};
void tint_symbol_inner(constant Params& params, constant Flip& flip, uint3 WorkGroupID, uint3 LocalInvocationID, uint local_invocation_index, threadgroup tint_array_wrapper* const tint_symbol_1, texture2d<float, access::sample> tint_symbol_2, sampler tint_symbol_3, texture2d<float, access::write> tint_symbol_4) {
for(uint idx = local_invocation_index; (idx < 1024u); idx = (idx + 64u)) {
uint const i_1 = (idx / 256u);
uint const i_2 = (idx % 256u);
(*(tint_symbol_1)).arr[i_1].arr[i_2] = float3();
}
threadgroup_barrier(mem_flags::mem_threadgroup);
uint const filterOffset = ((params.filterDim - 1u) / 2u);
int2 const dims = int2(tint_symbol_2.get_width(0), tint_symbol_2.get_height(0));
int2 const baseIndex = as_type<int2>((as_type<uint2>(int2(((uint3(WorkGroupID).xy * uint2(params.blockDim, 4u)) + (uint3(LocalInvocationID).xy * uint2(4u, 1u))))) - as_type<uint2>(int2(int(filterOffset), 0))));
for(uint r = 0u; (r < 4u); r = (r + 1u)) {
for(uint c = 0u; (c < 4u); c = (c + 1u)) {
int2 loadIndex = as_type<int2>((as_type<uint2>(baseIndex) + as_type<uint2>(int2(int(c), int(r)))));
if ((flip.value != 0u)) {
loadIndex = int2(loadIndex).yx;
}
(*(tint_symbol_1)).arr[r].arr[((4u * LocalInvocationID[0]) + c)] = float4(tint_symbol_2.sample(tint_symbol_3, ((float2(loadIndex) + float2(0.25f, 0.25f)) / float2(dims)), level(0.0f))).rgb;
}
}
threadgroup_barrier(mem_flags::mem_threadgroup);
for(uint r = 0u; (r < 4u); r = (r + 1u)) {
for(uint c = 0u; (c < 4u); c = (c + 1u)) {
int2 writeIndex = as_type<int2>((as_type<uint2>(baseIndex) + as_type<uint2>(int2(int(c), int(r)))));
if ((flip.value != 0u)) {
writeIndex = int2(writeIndex).yx;
}
uint const center = ((4u * LocalInvocationID[0]) + c);
if ((((center >= filterOffset) && (center < (256u - filterOffset))) && all((writeIndex < dims)))) {
float3 acc = float3(0.0f, 0.0f, 0.0f);
for(uint f = 0u; (f < params.filterDim); f = (f + 1u)) {
uint i = ((center + f) - filterOffset);
acc = (acc + ((1.0f / float(params.filterDim)) * (*(tint_symbol_1)).arr[r].arr[i]));
}
tint_symbol_4.write(float4(acc, 1.0f), uint2(writeIndex));
}
}
}
}
kernel void tint_symbol(texture2d<float, access::sample> tint_symbol_6 [[texture(0)]], sampler tint_symbol_7 [[sampler(0)]], texture2d<float, access::write> tint_symbol_8 [[texture(1)]], uint3 WorkGroupID [[threadgroup_position_in_grid]], uint3 LocalInvocationID [[thread_position_in_threadgroup]], uint local_invocation_index [[thread_index_in_threadgroup]], constant Params& params [[buffer(0)]], constant Flip& flip [[buffer(1)]]) {
threadgroup tint_array_wrapper tint_symbol_5;
tint_symbol_inner(params, flip, WorkGroupID, LocalInvocationID, local_invocation_index, &(tint_symbol_5), tint_symbol_6, tint_symbol_7, tint_symbol_8);
return;
}