1 /* 2 * Copyright 2016 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 #include "GpuService.h" 18 19 #include <binder/Parcel.h> 20 #include <utils/String8.h> 21 #include <vkjson.h> 22 23 namespace android { 24 25 // ---------------------------------------------------------------------------- 26 27 class BpGpuService : public BpInterface<IGpuService> 28 { 29 public: 30 BpGpuService(const sp<IBinder>& impl) : BpInterface<IGpuService>(impl) {} 31 }; 32 33 IMPLEMENT_META_INTERFACE(GpuService, "android.ui.IGpuService"); 34 35 status_t BnGpuService::onTransact(uint32_t code, const Parcel& data, 36 Parcel* reply, uint32_t flags) 37 { 38 switch (code) { 39 case SHELL_COMMAND_TRANSACTION: { 40 int in = data.readFileDescriptor(); 41 int out = data.readFileDescriptor(); 42 int err = data.readFileDescriptor(); 43 int argc = data.readInt32(); 44 Vector<String16> args; 45 for (int i = 0; i < argc && data.dataAvail() > 0; i++) { 46 args.add(data.readString16()); 47 } 48 return shellCommand(in, out, err, args); 49 } 50 51 default: 52 return BBinder::onTransact(code, data, reply, flags); 53 } 54 } 55 56 // ---------------------------------------------------------------------------- 57 58 namespace { 59 status_t cmd_help(int out); 60 status_t cmd_vkjson(int out, int err); 61 } 62 63 const char* const GpuService::SERVICE_NAME = "gpu"; 64 65 GpuService::GpuService() {} 66 67 status_t GpuService::shellCommand(int /*in*/, int out, int err, 68 Vector<String16>& args) 69 { 70 ALOGV("GpuService::shellCommand"); 71 for (size_t i = 0, n = args.size(); i < n; i++) 72 ALOGV(" arg[%zu]: '%s'", i, String8(args[i]).string()); 73 74 if (args[0] == String16("vkjson")) 75 return cmd_vkjson(out, err); 76 else if (args[0] == String16("help")) 77 return cmd_help(out); 78 79 return NO_ERROR; 80 } 81 82 // ---------------------------------------------------------------------------- 83 84 namespace { 85 86 status_t cmd_help(int out) { 87 FILE* outs = fdopen(out, "w"); 88 if (!outs) { 89 ALOGE("vkjson: failed to create out stream: %s (%d)", strerror(errno), 90 errno); 91 return BAD_VALUE; 92 } 93 fprintf(outs, 94 "GPU Service commands:\n" 95 " vkjson dump Vulkan device capabilities as JSON\n"); 96 fclose(outs); 97 return NO_ERROR; 98 } 99 100 VkResult vkjsonPrint(FILE* out, FILE* err) { 101 VkResult result; 102 103 const VkApplicationInfo app_info = { 104 VK_STRUCTURE_TYPE_APPLICATION_INFO, nullptr, 105 "vkjson", 1, /* app name, version */ 106 "", 0, /* engine name, version */ 107 VK_API_VERSION_1_0 108 }; 109 const VkInstanceCreateInfo instance_info = { 110 VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, nullptr, 111 0, /* flags */ 112 &app_info, 113 0, nullptr, /* layers */ 114 0, nullptr, /* extensions */ 115 }; 116 VkInstance instance; 117 result = vkCreateInstance(&instance_info, nullptr, &instance); 118 if (result != VK_SUCCESS) { 119 fprintf(err, "vkCreateInstance failed: %d\n", result); 120 return result; 121 } 122 123 uint32_t ngpu = 0; 124 result = vkEnumeratePhysicalDevices(instance, &ngpu, nullptr); 125 if (result != VK_SUCCESS) { 126 fprintf(err, "vkEnumeratePhysicalDevices failed: %d\n", result); 127 return result; 128 } 129 std::vector<VkPhysicalDevice> gpus(ngpu, VK_NULL_HANDLE); 130 result = vkEnumeratePhysicalDevices(instance, &ngpu, gpus.data()); 131 if (result != VK_SUCCESS) { 132 fprintf(err, "vkEnumeratePhysicalDevices failed: %d\n", result); 133 return result; 134 } 135 136 for (size_t i = 0, n = gpus.size(); i < n; i++) { 137 auto props = VkJsonGetAllProperties(gpus[i]); 138 std::string json = VkJsonAllPropertiesToJson(props); 139 fwrite(json.data(), 1, json.size(), out); 140 if (i < n - 1) 141 fputc(',', out); 142 fputc('\n', out); 143 } 144 145 vkDestroyInstance(instance, nullptr); 146 147 return VK_SUCCESS; 148 } 149 150 status_t cmd_vkjson(int out, int err) { 151 int errnum; 152 FILE* outs = fdopen(out, "w"); 153 if (!outs) { 154 errnum = errno; 155 ALOGE("vkjson: failed to create output stream: %s", strerror(errnum)); 156 return -errnum; 157 } 158 FILE* errs = fdopen(err, "w"); 159 if (!errs) { 160 errnum = errno; 161 ALOGE("vkjson: failed to create error stream: %s", strerror(errnum)); 162 fclose(outs); 163 return -errnum; 164 } 165 fprintf(outs, "[\n"); 166 VkResult result = vkjsonPrint(outs, errs); 167 fprintf(outs, "]\n"); 168 fclose(errs); 169 fclose(outs); 170 return result >= 0 ? NO_ERROR : UNKNOWN_ERROR; 171 } 172 173 } // anonymous namespace 174 175 } // namespace android 176
