1 /* 2 * Copyright (c) 2011-2017, The Linux Foundation. All rights reserved. 3 * Not a Contribution 4 * 5 * Copyright (C) 2008 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 20 #ifndef __GR_PRIV_HANDLE_H__ 21 #define __GR_PRIV_HANDLE_H__ 22 23 #include <cutils/log.h> 24 #include <hardware/gralloc1.h> 25 #include <hardware/gralloc.h> 26 #include <cinttypes> 27 28 #define GRALLOC1_FUNCTION_PERFORM 0x00001000 29 30 #define DBG_HANDLE false 31 32 typedef gralloc1_error_t (*GRALLOC1_PFN_PERFORM)(gralloc1_device_t *device, int operation, ...); 33 34 #define PRIV_HANDLE_CONST(exp) static_cast<const private_handle_t *>(exp) 35 36 struct private_handle_t : public native_handle_t { 37 enum { 38 PRIV_FLAGS_FRAMEBUFFER = 0x00000001, 39 PRIV_FLAGS_USES_ION = 0x00000008, 40 PRIV_FLAGS_NEEDS_FLUSH = 0x00000020, 41 PRIV_FLAGS_INTERNAL_ONLY = 0x00000040, 42 PRIV_FLAGS_NON_CPU_WRITER = 0x00000080, 43 PRIV_FLAGS_CACHED = 0x00000200, 44 PRIV_FLAGS_SECURE_BUFFER = 0x00000400, 45 PRIV_FLAGS_EXTERNAL_ONLY = 0x00002000, 46 PRIV_FLAGS_PROTECTED_BUFFER = 0x00004000, 47 PRIV_FLAGS_VIDEO_ENCODER = 0x00010000, 48 PRIV_FLAGS_CAMERA_WRITE = 0x00020000, 49 PRIV_FLAGS_CAMERA_READ = 0x00040000, 50 PRIV_FLAGS_HW_COMPOSER = 0x00080000, 51 PRIV_FLAGS_HW_TEXTURE = 0x00100000, 52 PRIV_FLAGS_ITU_R_601 = 0x00200000, // Unused from display 53 PRIV_FLAGS_ITU_R_601_FR = 0x00400000, // Unused from display 54 PRIV_FLAGS_ITU_R_709 = 0x00800000, // Unused from display 55 PRIV_FLAGS_SECURE_DISPLAY = 0x01000000, 56 PRIV_FLAGS_TILE_RENDERED = 0x02000000, 57 PRIV_FLAGS_CPU_RENDERED = 0x04000000, 58 PRIV_FLAGS_UBWC_ALIGNED = 0x08000000, 59 PRIV_FLAGS_DISP_CONSUMER = 0x10000000, 60 PRIV_FLAGS_CLIENT_ALLOCATED = 0x20000000, // Ion buffer allocated outside of gralloc 61 }; 62 63 // file-descriptors dup'd over IPC 64 int fd; 65 int fd_metadata; 66 67 // values sent over IPC 68 int magic; 69 int flags; 70 int width; // holds width of the actual buffer allocated 71 int height; // holds height of the actual buffer allocated 72 int unaligned_width; // holds width client asked to allocate 73 int unaligned_height; // holds height client asked to allocate 74 int format; 75 int buffer_type; 76 unsigned int size; 77 unsigned int offset; 78 unsigned int offset_metadata; 79 uint64_t base __attribute__((aligned(8))); 80 uint64_t base_metadata __attribute__((aligned(8))); 81 uint64_t gpuaddr __attribute__((aligned(8))); 82 uint64_t id __attribute__((aligned(8))); 83 gralloc1_producer_usage_t producer_usage __attribute__((aligned(8))); 84 gralloc1_consumer_usage_t consumer_usage __attribute__((aligned(8))); 85 unsigned int layer_count; 86 87 static const int kNumFds = 2; 88 static const int kMagic = 'gmsm'; 89 90 static inline int NumInts() { 91 return ((sizeof(private_handle_t) - sizeof(native_handle_t)) / sizeof(int)) 92 - kNumFds; 93 } 94 95 private_handle_t(int fd, 96 int meta_fd, 97 int flags, 98 int width, 99 int height, 100 int uw, 101 int uh, 102 int format, 103 int buf_type, 104 unsigned int size, 105 gralloc1_producer_usage_t prod_usage = GRALLOC1_PRODUCER_USAGE_NONE, 106 gralloc1_consumer_usage_t cons_usage = GRALLOC1_CONSUMER_USAGE_NONE) 107 : fd(fd), 108 fd_metadata(meta_fd), 109 magic(kMagic), 110 flags(flags), 111 width(width), 112 height(height), 113 unaligned_width(uw), 114 unaligned_height(uh), 115 format(format), 116 buffer_type(buf_type), 117 size(size), 118 offset(0), 119 offset_metadata(0), 120 base(0), 121 base_metadata(0), 122 gpuaddr(0), 123 id(0), 124 producer_usage(prod_usage), 125 consumer_usage(cons_usage), 126 layer_count(1) { 127 version = static_cast<int>(sizeof(native_handle)); 128 numInts = NumInts(); 129 numFds = kNumFds; 130 } 131 132 // Legacy constructor used by some clients 133 private_handle_t(int fd, unsigned int size, int usage, int buf_type, int format, int w, int h) 134 : private_handle_t(fd, -1, PRIV_FLAGS_CLIENT_ALLOCATED, w, h, 0, 0, format, buf_type, size, 135 static_cast<gralloc1_producer_usage_t>(usage), 136 static_cast<gralloc1_consumer_usage_t>(usage)) { 137 } 138 139 ~private_handle_t() { 140 magic = 0; 141 ALOGE_IF(DBG_HANDLE, "Deleting buffer handle %p", this); 142 } 143 144 static int validate(const native_handle *h) { 145 const private_handle_t *hnd = (const private_handle_t *)h; 146 if (!h || h->version != sizeof(native_handle) || h->numInts != NumInts() || 147 h->numFds != kNumFds || hnd->magic != kMagic) { 148 ALOGE( 149 "Invalid gralloc handle (at %p): ver(%d/%zu) ints(%d/%d) fds(%d/%d) " 150 "magic(%c%c%c%c/%c%c%c%c)", 151 h, h ? h->version : -1, sizeof(native_handle), h ? h->numInts : -1, NumInts(), 152 h ? h->numFds : -1, kNumFds, 153 hnd ? (((hnd->magic >> 24) & 0xFF) ? ((hnd->magic >> 24) & 0xFF) : '-') : '?', 154 hnd ? (((hnd->magic >> 16) & 0xFF) ? ((hnd->magic >> 16) & 0xFF) : '-') : '?', 155 hnd ? (((hnd->magic >> 8) & 0xFF) ? ((hnd->magic >> 8) & 0xFF) : '-') : '?', 156 hnd ? (((hnd->magic >> 0) & 0xFF) ? ((hnd->magic >> 0) & 0xFF) : '-') : '?', 157 (kMagic >> 24) & 0xFF, (kMagic >> 16) & 0xFF, (kMagic >> 8) & 0xFF, (kMagic >> 0) & 0xFF); 158 return -EINVAL; 159 } 160 161 return 0; 162 } 163 164 static void Dump(const private_handle_t *hnd) { 165 ALOGD("handle id:%" PRIu64 " wxh:%dx%d uwxuh:%dx%d size: %d fd:%d fd_meta:%d flags:0x%x " 166 "prod_usage:0x%" PRIx64" cons_usage:0x%" PRIx64 " format:0x%x layer_count: %d", 167 hnd->id, hnd->width, hnd->height, hnd->unaligned_width, hnd->unaligned_height, hnd->size, 168 hnd->fd, hnd->fd_metadata, hnd->flags, hnd->producer_usage, hnd->consumer_usage, 169 hnd->format, hnd->layer_count); 170 } 171 172 int GetUnalignedWidth() const { return unaligned_width; } 173 174 int GetUnalignedHeight() const { return unaligned_height; } 175 176 int GetColorFormat() const { return format; } 177 178 unsigned int GetLayerCount() const { return layer_count; } 179 180 int GetStride() const { 181 // In handle we currently store aligned width after allocation. 182 return width; 183 } 184 185 gralloc1_consumer_usage_t GetConsumerUsage() const { return consumer_usage; } 186 187 gralloc1_producer_usage_t GetProducerUsage() const { return producer_usage; } 188 189 uint64_t GetBackingstore() const { return id; } 190 }; 191 192 #endif // __GR_PRIV_HANDLE_H__ 193
