//go:build cgo

package wgpu

// This file holds C trampoline *definitions* (non-static, external linkage) that

// forward wgpu-native callbacks to the Go side. It must NOT contain any //export

// directives — those live in callbacks.go, which only declares the Go functions

// these trampolines call. Forwarding primitives (not WGPU structs by value)

// keeps the //export boundary simple and ABI-safe.

/*

#include <stdint.h>

#include <stddef.h>

#include "./lib/wgpu.h"

// implemented in callbacks.go via //export

extern void cgoBufferMapCallbackGo(uint32_t status, void *ud1);

extern void cgoUncapturedErrorGo(uint32_t errType, char const *msg, size_t len);

extern void cgoLogCallbackGo(uint32_t level, char const *msg, size_t len);

// Buffer map completion — fires inside wgpuDevicePoll / wgpuInstanceProcessEvents.

void cgoBufferMapCB(WGPUMapAsyncStatus status, WGPUStringView message, void *ud1, void *ud2) {

(void)message; (void)ud2;

cgoBufferMapCallbackGo((uint32_t)status, ud1);

}

// Uncaptured device errors — may fire at any time; we only stash the message.

void cgoUncapturedErrorCB(WGPUDevice const *device, WGPUErrorType type, WGPUStringView message, void *ud1, void *ud2) {

(void)device; (void)ud1; (void)ud2;

cgoUncapturedErrorGo((uint32_t)type, message.data, message.length);

}

// wgpu-native internal logging.

void cgoLogCallback(WGPULogLevel level, WGPUStringView message, void *userdata) {

(void)userdata;

cgoLogCallbackGo((uint32_t)level, message.data, message.length);

}

*/

import "C"