updated ebiten version from 2.7.9 to 2.9.9

vendor/github.com/ebitengine/purego/internal/cgo/dlfcn_cgo_unix.go

@@ -1,17 +1,51 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: 2024 The Ebitengine Authors
 
-//go:build freebsd || linux
+//go:build freebsd || linux || netbsd
 
 package cgo
 
 /*
- #cgo LDFLAGS: -ldl
+#cgo !netbsd LDFLAGS: -ldl
 
 #include <dlfcn.h>
+#include <stdlib.h>
 */
 import "C"
 
+import (
+	"errors"
+	"unsafe"
+)
+
+func Dlopen(filename string, flag int) (uintptr, error) {
+	cfilename := C.CString(filename)
+	defer C.free(unsafe.Pointer(cfilename))
+	handle := C.dlopen(cfilename, C.int(flag))
+	if handle == nil {
+		return 0, errors.New(C.GoString(C.dlerror()))
+	}
+	return uintptr(handle), nil
+}
+
+func Dlsym(handle uintptr, symbol string) (uintptr, error) {
+	csymbol := C.CString(symbol)
+	defer C.free(unsafe.Pointer(csymbol))
+	symbolAddr := C.dlsym(*(*unsafe.Pointer)(unsafe.Pointer(&handle)), csymbol)
+	if symbolAddr == nil {
+		return 0, errors.New(C.GoString(C.dlerror()))
+	}
+	return uintptr(symbolAddr), nil
+}
+
+func Dlclose(handle uintptr) error {
+	result := C.dlclose(*(*unsafe.Pointer)(unsafe.Pointer(&handle)))
+	if result != 0 {
+		return errors.New(C.GoString(C.dlerror()))
+	}
+	return nil
+}
+
 // all that is needed is to assign each dl function because then its
 // symbol will then be made available to the linker and linked to inside dlfcn.go
 var (

vendor/github.com/ebitengine/purego/internal/cgo/syscall_cgo_unix.go

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: 2022 The Ebitengine Authors
 
-//go:build freebsd || (linux && !(arm64 || amd64))
+//go:build freebsd || (linux && !(arm64 || amd64 || loong64)) || netbsd
 
 package cgo
 
@@ -9,7 +9,7 @@ package cgo
 // because Cgo and assembly files can't be in the same package.
 
 /*
- #cgo LDFLAGS: -ldl
+#cgo !netbsd LDFLAGS: -ldl
 
 #include <stdint.h>
 #include <dlfcn.h>
@@ -20,7 +20,7 @@ typedef struct syscall15Args {
 	uintptr_t fn;
 	uintptr_t a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15;
 	uintptr_t f1, f2, f3, f4, f5, f6, f7, f8;
-	uintptr_t r1, r2, err;
+	uintptr_t err;
 } syscall15Args;
 
 void syscall15(struct syscall15Args *args) {
@@ -31,7 +31,7 @@ void syscall15(struct syscall15Args *args) {
 	*(void**)(&func_name) = (void*)(args->fn);
 	uintptr_t r1 =  func_name(args->a1,args->a2,args->a3,args->a4,args->a5,args->a6,args->a7,args->a8,args->a9,
 		args->a10,args->a11,args->a12,args->a13,args->a14,args->a15);
-	args->r1 = r1;
+	args->a1 = r1;
 	args->err = errno;
 }
 
@@ -48,8 +48,8 @@ func Syscall15X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14,
 		C.uintptr_t(fn), C.uintptr_t(a1), C.uintptr_t(a2), C.uintptr_t(a3),
 		C.uintptr_t(a4), C.uintptr_t(a5), C.uintptr_t(a6),
 		C.uintptr_t(a7), C.uintptr_t(a8), C.uintptr_t(a9), C.uintptr_t(a10), C.uintptr_t(a11), C.uintptr_t(a12),
-		C.uintptr_t(a13), C.uintptr_t(a14), C.uintptr_t(a15), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		C.uintptr_t(a13), C.uintptr_t(a14), C.uintptr_t(a15), 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	}
 	C.syscall15(&args)
-	return uintptr(args.r1), uintptr(args.r2), uintptr(args.err)
+	return uintptr(args.a1), 0, uintptr(args.err)
 }