// Mechanical adaptation of OA's ConvTranspose2d channel-bias epilogue.
// Donor: source/cpp/lib/oa/ml/fnmatrix/modules/fnMatrixModules.cpp
import storage;
import attributes;
struct PushConstants {
uint values_index;
uint bias_index;
uint batch_size;
uint channels;
uint height;
uint width;
};
[[vk::push_constant]] PushConstants push;
[[vk::binding(0, 0)]] RWByteAddressBuffer storage_buffers[];
[kernel_name("conv_transpose_2d_bias_add")]
[domain("ml")]
[variant("generic")]
[dtype("f32")]
[status("experimental")]
[shader("compute")]
[numthreads(256, 1, 1)]
void main(uint3 thread_id : SV_DispatchThreadID) {
uint index = thread_id.x;
uint element_count = push.batch_size * push.channels * push.height * push.width;
if (index >= element_count) {
return;
}
uint plane_size = push.height * push.width;
uint channel = (index / plane_size) % push.channels;
float value = load_f32(storage_buffers[push.values_index], index);
value += load_f32(storage_buffers[push.bias_index], channel);
store_f32(storage_buffers[push.values_index], index, value);
}