1 /* 2 * Copyright (C) 2007 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 #ifndef ANDROID_SF_SHARED_BUFFER_STACK_H 18 #define ANDROID_SF_SHARED_BUFFER_STACK_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <utils/Debug.h> 24 25 namespace android { 26 // --------------------------------------------------------------------------- 27 28 #define NUM_DISPLAY_MAX 4 29 30 struct display_cblk_t 31 { 32 uint16_t w; 33 uint16_t h; 34 uint8_t format; 35 uint8_t orientation; 36 uint8_t reserved[2]; 37 float fps; 38 float density; 39 float xdpi; 40 float ydpi; 41 uint32_t pad[2]; 42 }; 43 44 struct surface_flinger_cblk_t // 4KB max 45 { 46 uint8_t connected; 47 uint8_t reserved[3]; 48 uint32_t pad[7]; 49 display_cblk_t displays[NUM_DISPLAY_MAX]; 50 }; 51 52 // --------------------------------------------------------------------------- 53 54 COMPILE_TIME_ASSERT(sizeof(surface_flinger_cblk_t) <= 4096) 55 56 // --------------------------------------------------------------------------- 57 }; // namespace android 58 59 #endif /* ANDROID_SF_SHARED_BUFFER_STACK_H */ 60