mirror of
https://github.com/hajimehoshi/ebiten.git
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60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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// SPDX-FileCopyrightText: 2012 The glfw3-go Authors
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// SPDX-FileCopyrightText: 2023 The Ebitengine Authors
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//go:build darwin || freebsd || linux || netbsd || openbsd
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package glfw
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// #define GLFW_INCLUDE_NONE
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// #include "glfw3_unix.h"
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//
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// void goErrorCB(int code, char* desc);
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//
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// static void glfwSetErrorCallbackCB() {
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// glfwSetErrorCallback((GLFWerrorfun)goErrorCB);
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// }
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import "C"
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import (
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"errors"
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"fmt"
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"os"
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)
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// Note: There are many cryptic caveats to proper error handling here.
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// See: https://github.com/go-gl/glfw3/pull/86
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// lastError holds the value of the last error.
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var lastError = make(chan error, 1)
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//export goErrorCB
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func goErrorCB(code C.int, desc *C.char) {
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err := fmt.Errorf("glfw: %s: %w", C.GoString(desc), ErrorCode(code))
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select {
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case lastError <- err:
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default:
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fmt.Fprintln(os.Stderr, "GLFW: An uncaught error has occurred:", err)
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fmt.Fprintln(os.Stderr, "GLFW: Please report this bug in the Go package immediately.")
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}
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}
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// Set the glfw callback internally
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func init() {
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C.glfwSetErrorCallbackCB()
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}
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// fetchErrorIgnoringPlatformError is fetchError igoring platformError.
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func fetchErrorIgnoringPlatformError() error {
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select {
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case err := <-lastError:
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if errors.Is(err, PlatformError) {
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fmt.Fprintln(os.Stderr, err)
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return nil
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}
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return err
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default:
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return nil
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}
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}
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