Dima Zavin | 6198e54 | 2012-02-29 17:02:46 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2010-2011 ARM Limited. All rights reserved. |
| 3 | * |
| 4 | * Copyright (C) 2008 The Android Open Source Project |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | #ifndef GRALLOC_PRIV_H_ |
| 20 | #define GRALLOC_PRIV_H_ |
| 21 | |
| 22 | #include <stdint.h> |
| 23 | #include <pthread.h> |
| 24 | #include <errno.h> |
| 25 | #include <linux/fb.h> |
| 26 | |
| 27 | #include <hardware/gralloc.h> |
| 28 | #include <cutils/native_handle.h> |
| 29 | |
| 30 | #include "ump.h" |
| 31 | |
| 32 | /* |
| 33 | * HWC_HWOVERLAY is flag for location of glFinish(). |
| 34 | * Enable this define if you want that glFinish() is in HWComposer. |
| 35 | * If you disable this define, glFinish() is called in threadloop(). |
| 36 | */ |
| 37 | #define HWC_HWOVERLAY 1 |
| 38 | |
| 39 | #define GRALLOC_ARM_UMP_MODULE 1 |
| 40 | |
| 41 | struct private_handle_t; |
| 42 | |
| 43 | struct private_module_t |
| 44 | { |
| 45 | gralloc_module_t base; |
| 46 | |
| 47 | private_handle_t* framebuffer; |
| 48 | uint32_t flags; |
| 49 | uint32_t numBuffers; |
| 50 | uint32_t bufferMask; |
| 51 | pthread_mutex_t lock; |
| 52 | buffer_handle_t currentBuffer; |
| 53 | int ion_client; |
| 54 | |
| 55 | struct fb_var_screeninfo info; |
| 56 | struct fb_fix_screeninfo finfo; |
| 57 | float xdpi; |
| 58 | float ydpi; |
| 59 | float fps; |
| 60 | |
| 61 | enum { |
| 62 | PRIV_USAGE_LOCKED_FOR_POST = 0x80000000 |
| 63 | }; |
| 64 | }; |
| 65 | |
| 66 | #ifdef __cplusplus |
| 67 | struct private_handle_t : public native_handle |
| 68 | { |
| 69 | #else |
| 70 | struct private_handle_t |
| 71 | { |
| 72 | struct native_handle nativeHandle; |
| 73 | #endif |
| 74 | |
| 75 | enum { |
| 76 | PRIV_FLAGS_FRAMEBUFFER = 0x00000001, |
| 77 | PRIV_FLAGS_USES_UMP = 0x00000002, |
| 78 | PRIV_FLAGS_USES_ION = 0x00000020, |
| 79 | }; |
| 80 | |
| 81 | enum { |
| 82 | LOCK_STATE_WRITE = 1<<31, |
| 83 | LOCK_STATE_MAPPED = 1<<30, |
| 84 | LOCK_STATE_READ_MASK = 0x3FFFFFFF |
| 85 | }; |
| 86 | |
| 87 | // Following member is for ION memory only |
| 88 | int fd; |
| 89 | int magic; |
| 90 | int flags; |
| 91 | int size; |
| 92 | int base; |
| 93 | int lockState; |
| 94 | int writeOwner; |
| 95 | int pid; |
| 96 | |
| 97 | // Following members are for UMP memory only |
| 98 | ump_secure_id ump_id; |
| 99 | ump_handle ump_mem_handle; |
| 100 | |
| 101 | // Following members is for framebuffer only |
| 102 | int offset; |
| 103 | int paddr; |
| 104 | |
| 105 | int format; |
| 106 | int usage; |
| 107 | int width; |
| 108 | int height; |
| 109 | int bpp; |
| 110 | int stride; |
| 111 | |
| 112 | /* Following members are for YUV information */ |
| 113 | unsigned int yaddr; |
| 114 | unsigned int uoffset; |
| 115 | unsigned int voffset; |
| 116 | int ion_client; |
| 117 | |
| 118 | #ifdef __cplusplus |
| 119 | static const int sNumInts = 21; |
| 120 | static const int sNumFds = 1; |
| 121 | static const int sMagic = 0x3141592; |
| 122 | private_handle_t(int flags, int size, int base, int lock_state, ump_secure_id secure_id, ump_handle handle): |
| 123 | magic(sMagic), |
| 124 | flags(flags), |
| 125 | size(size), |
| 126 | base(base), |
| 127 | lockState(lock_state), |
| 128 | writeOwner(0), |
| 129 | pid(getpid()), |
| 130 | ump_id(secure_id), |
| 131 | ump_mem_handle(handle), |
| 132 | fd(0), |
| 133 | format(0), |
| 134 | usage(0), |
| 135 | width(0), |
| 136 | height(0), |
| 137 | bpp(0), |
| 138 | stride(0), |
| 139 | yaddr(0), |
| 140 | uoffset(0), |
| 141 | voffset(0), |
| 142 | offset(0) |
| 143 | { |
| 144 | version = sizeof(native_handle); |
| 145 | numFds = sNumFds; |
| 146 | numInts = sNumInts; |
| 147 | } |
| 148 | |
| 149 | private_handle_t(int flags, int size, int base, int lock_state, int fb_file, int fb_offset): |
| 150 | magic(sMagic), |
| 151 | flags(flags), |
| 152 | size(size), |
| 153 | base(base), |
| 154 | lockState(lock_state), |
| 155 | writeOwner(0), |
| 156 | pid(getpid()), |
| 157 | ump_id(UMP_INVALID_SECURE_ID), |
| 158 | ump_mem_handle(UMP_INVALID_MEMORY_HANDLE), |
| 159 | fd(fb_file), |
| 160 | format(0), |
| 161 | usage(0), |
| 162 | width(0), |
| 163 | height(0), |
| 164 | bpp(0), |
| 165 | stride(0), |
| 166 | yaddr(0), |
| 167 | uoffset(0), |
| 168 | voffset(0), |
| 169 | offset(fb_offset) |
| 170 | { |
| 171 | version = sizeof(native_handle); |
| 172 | numFds = sNumFds; |
| 173 | numInts = sNumInts; |
| 174 | } |
| 175 | |
| 176 | ~private_handle_t() |
| 177 | { |
| 178 | magic = 0; |
| 179 | } |
| 180 | |
| 181 | bool usesPhysicallyContiguousMemory() |
| 182 | { |
| 183 | return (flags & PRIV_FLAGS_FRAMEBUFFER) ? true : false; |
| 184 | } |
| 185 | |
| 186 | static int validate(const native_handle* h) |
| 187 | { |
| 188 | const private_handle_t* hnd = (const private_handle_t*)h; |
| 189 | |
| 190 | if (!h || h->version != sizeof(native_handle) || |
| 191 | h->numInts != sNumInts || |
| 192 | h->numFds != sNumFds || |
| 193 | hnd->magic != sMagic) |
| 194 | return -EINVAL; |
| 195 | |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | static private_handle_t* dynamicCast(const native_handle* in) |
| 200 | { |
| 201 | if (validate(in) == 0) |
| 202 | return (private_handle_t*) in; |
| 203 | |
| 204 | return NULL; |
| 205 | } |
| 206 | #endif |
| 207 | }; |
| 208 | |
| 209 | #endif /* GRALLOC_PRIV_H_ */ |