gralloc4: initial code

Bug: 173320140
Test: Builds successfully with gralloc3 and gralloc4
Test: Device boots to home with gralloc3
No-Typo-Check: Typos in comments from upstream
Signed-off-by: SeYeong Byeon <sy.byeon@samsung.com>
Change-Id: I1df105fd0358a0d1ee9c0266acafc4f7192ebc92

1 files changed, 39 insertions, 0 deletions

diff --git a/gralloc4/src/allocator/mali_gralloc_ion.h b/gralloc4/src/allocator/mali_gralloc_ion.h
new file mode 100644
index 0000000..f46cc07
--- /dev/null
+++ b/gralloc4/src/allocator/mali_gralloc_ion.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2016, 2018-2020 ARM Limited. All rights reserved.
+ *
+ * Copyright (C) 2008 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 MALI_GRALLOC_ION_H_
+#define MALI_GRALLOC_ION_H_
+
+#include "core/mali_gralloc_bufferdescriptor.h"
+
+int mali_gralloc_ion_allocate_attr(private_handle_t *hnd);
+int mali_gralloc_ion_allocate(const gralloc_buffer_descriptor_t *descriptors,
+                              uint32_t numDescriptors, buffer_handle_t *pHandle, bool *alloc_from_backing_store);
+void mali_gralloc_ion_free(private_handle_t * const hnd);
+int mali_gralloc_ion_sync_start(const private_handle_t * const hnd,
+                                const bool read, const bool write);
+int mali_gralloc_ion_sync_end(const private_handle_t * const hnd,
+                              const bool read, const bool write);
+int mali_gralloc_ion_map(private_handle_t *hnd);
+void mali_gralloc_ion_unmap(private_handle_t *hnd);
+void mali_gralloc_ion_close(void);
+int mali_gralloc_attr_allocate(void);
+int import_exynos_ion_handles(private_handle_t *hnd);
+void free_exynos_ion_handles(private_handle_t *hnd);
+
+#endif /* MALI_GRALLOC_ION_H_ */