1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <cutils/native_handle.h> 20 21 #include <hardware/hardware.h> 22 23 struct android_ycbcr; 24 25 enum { 26 GRALLOC_USAGE_SW_READ_OFTEN = 0x00000003U, 27 GRALLOC_USAGE_SW_WRITE_OFTEN = 0x00000030U, 28 GRALLOC_USAGE_HW_TEXTURE = 0x00000100U, 29 GRALLOC_USAGE_HW_RENDER = 0x00000200U, 30 }; 31 32 struct gralloc_module_t { 33 hw_module_t common; 34 int (*registerBuffer)(gralloc_module_t const*, buffer_handle_t); 35 int (*unregisterBuffer)(gralloc_module_t const*, buffer_handle_t); 36 int (*lock)(gralloc_module_t const*, buffer_handle_t, int, int, int, int, int, void**); 37 int (*unlock)(gralloc_module_t const*, buffer_handle_t); 38 int (*perform)(gralloc_module_t const*, int, ...); 39 int (*lock_ycbcr)(gralloc_module_t const*, buffer_handle_t, int, int, int, int, int, 40 android_ycbcr*); 41 int (*lockAsync)(gralloc_module_t const*, buffer_handle_t, int, int, int, int, int, void**, int); 42 int (*unlockAsync)(gralloc_module_t const*, buffer_handle_t, int*); 43 int (*lockAsync_ycbcr)(gralloc_module_t const*, buffer_handle_t, int, int, int, int, int, 44 android_ycbcr*, int); 45 int32_t (*getTransportSize)(gralloc_module_t const*, buffer_handle_t, uint32_t, uint32_t); 46 int32_t (*validateBufferSize)(gralloc_module_t const*, buffer_handle_t, uint32_t, uint32_t, 47 int32_t, int, uint32_t); 48 void* reserved_proc[1]; 49 }; 50