--- /dev/null
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef UTILS_GRALLOC_H_
+#define UTILS_GRALLOC_H_
+
+#ifdef ANDROID
+#include <hardware/gralloc.h>
+#else
+
+/* STUBS */
+
+#include <cstdint>
+
+using buffer_handle_t = int;
+
+// NOLINTNEXTLINE(readability-identifier-naming)
+constexpr auto GRALLOC_HARDWARE_MODULE_ID = "gralloc";
+
+enum {
+ HAL_PIXEL_FORMAT_RGBA_8888 = 1, // NOLINT(readability-identifier-naming)
+ HAL_PIXEL_FORMAT_RGBX_8888 = 2, // NOLINT(readability-identifier-naming)
+ HAL_PIXEL_FORMAT_RGB_888 = 3, // NOLINT(readability-identifier-naming)
+ HAL_PIXEL_FORMAT_RGB_565 = 4, // NOLINT(readability-identifier-naming)
+ HAL_PIXEL_FORMAT_BGRA_8888 = 5, // NOLINT(readability-identifier-naming)
+ HAL_PIXEL_FORMAT_RGBA_FP16 = 22, // NOLINT(readability-identifier-naming)
+ HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED = 34, // NOLINT(readability-identifier-naming)
+ HAL_PIXEL_FORMAT_YV12 = 842094169, // NOLINT(readability-identifier-naming)
+};
+
+// NOLINTNEXTLINE(readability-identifier-naming)
+struct hw_module_t {
+ uint32_t tag{};
+ uint16_t module_api_version{};
+ uint16_t hal_api_version{};
+ const char *id{};
+ const char *name{};
+ const char *author{};
+ void *dso{};
+};
+
+// NOLINTNEXTLINE(readability-identifier-naming)
+struct gralloc_module_t {
+ hw_module_t common;
+};
+
+auto inline hw_get_module(const char * /*id*/,
+ const struct hw_module_t ** /*module*/) -> int {
+ return -1;
+}
+
+#endif
+
+#endif