1 /*
2  * Copyright (C) 2015 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 "rs.h"
18 #include "rsDevice.h"
19 #include "rsContext.h"
20 #include "rsThreadIO.h"
21 
22 #include "rsgApiStructs.h"
23 
24 #if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
25 #include "rsMesh.h"
26 #endif
27 
28 #include <sys/types.h>
29 #include <sys/resource.h>
30 #include <sched.h>
31 
32 #include <sys/syscall.h>
33 #include <string.h>
34 #include <dlfcn.h>
35 #include <inttypes.h>
36 #include <unistd.h>
37 
38 #ifdef RS_COMPATIBILITY_LIB
39 #include "rsCompatibilityLib.h"
40 #endif
41 
42 namespace android {
43 namespace renderscript {
44 
45 typedef bool (*HalQueryVersion)(uint32_t *version_major, uint32_t *version_minor);
46 typedef bool (*HalQueryHal)(android::renderscript::RsHalInitEnums entry, void **fnPtr);
47 typedef bool (*HalInit)(RsContext, uint32_t version_major, uint32_t version_minor);
48 typedef void (*HalAbort)(RsContext);
49 
50 
LoadHalTable(Context * rsc,HalQueryHal fn,bool loadGraphics)51 static bool LoadHalTable(Context *rsc, HalQueryHal fn, bool loadGraphics) {
52     bool ret = true;
53 
54     ret &= fn(RS_HAL_CORE_SHUTDOWN, (void **)&rsc->mHal.funcs.shutdownDriver);
55     ret &= fn(RS_HAL_CORE_SET_PRIORITY, (void **)&rsc->mHal.funcs.setPriority);
56     ret &= fn(RS_HAL_CORE_ALLOC_RUNTIME_MEM, (void **)&rsc->mHal.funcs.allocRuntimeMem);
57     ret &= fn(RS_HAL_CORE_FREE_RUNTIME_MEM, (void **)&rsc->mHal.funcs.freeRuntimeMem);
58     ret &= fn(RS_HAL_CORE_FINISH, (void **)&rsc->mHal.funcs.finish);
59 
60     ret &= fn(RS_HAL_SCRIPT_INIT, (void **)&rsc->mHal.funcs.script.init);
61     ret &= fn(RS_HAL_SCRIPT_INIT_INTRINSIC, (void **)&rsc->mHal.funcs.script.initIntrinsic);
62     ret &= fn(RS_HAL_SCRIPT_INVOKE_FUNCTION, (void **)&rsc->mHal.funcs.script.invokeFunction);
63     ret &= fn(RS_HAL_SCRIPT_INVOKE_ROOT, (void **)&rsc->mHal.funcs.script.invokeRoot);
64     ret &= fn(RS_HAL_SCRIPT_INVOKE_FOR_EACH, (void **)&rsc->mHal.funcs.script.invokeForEach);
65     ret &= fn(RS_HAL_SCRIPT_INVOKE_REDUCE, (void **)&rsc->mHal.funcs.script.invokeReduce);
66     ret &= fn(RS_HAL_SCRIPT_INVOKE_INIT, (void **)&rsc->mHal.funcs.script.invokeInit);
67     ret &= fn(RS_HAL_SCRIPT_INVOKE_FREE_CHILDREN, (void **)&rsc->mHal.funcs.script.invokeFreeChildren);
68     ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_VAR, (void **)&rsc->mHal.funcs.script.setGlobalVar);
69     ret &= fn(RS_HAL_SCRIPT_GET_GLOBAL_VAR, (void **)&rsc->mHal.funcs.script.getGlobalVar);
70     ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_VAR_WITH_ELEMENT_DIM, (void **)&rsc->mHal.funcs.script.setGlobalVarWithElemDims);
71     ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_BIND, (void **)&rsc->mHal.funcs.script.setGlobalBind);
72     ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_OBJECT, (void **)&rsc->mHal.funcs.script.setGlobalObj);
73     ret &= fn(RS_HAL_SCRIPT_DESTROY, (void **)&rsc->mHal.funcs.script.destroy);
74     ret &= fn(RS_HAL_SCRIPT_INVOKE_FOR_EACH_MULTI, (void **)&rsc->mHal.funcs.script.invokeForEachMulti);
75     ret &= fn(RS_HAL_SCRIPT_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.script.updateCachedObject);
76 
77     ret &= fn(RS_HAL_ALLOCATION_INIT, (void **)&rsc->mHal.funcs.allocation.init);
78     ret &= fn(RS_HAL_ALLOCATION_INIT_OEM, (void **)&rsc->mHal.funcs.allocation.initOem);
79     ret &= fn(RS_HAL_ALLOCATION_INIT_ADAPTER, (void **)&rsc->mHal.funcs.allocation.initAdapter);
80     ret &= fn(RS_HAL_ALLOCATION_DESTROY, (void **)&rsc->mHal.funcs.allocation.destroy);
81     ret &= fn(RS_HAL_ALLOCATION_GET_GRALLOC_BITS, (void **)&rsc->mHal.funcs.allocation.grallocBits);
82     ret &= fn(RS_HAL_ALLOCATION_RESIZE, (void **)&rsc->mHal.funcs.allocation.resize);
83     ret &= fn(RS_HAL_ALLOCATION_SYNC_ALL, (void **)&rsc->mHal.funcs.allocation.syncAll);
84     ret &= fn(RS_HAL_ALLOCATION_MARK_DIRTY, (void **)&rsc->mHal.funcs.allocation.markDirty);
85     ret &= fn(RS_HAL_ALLOCATION_SET_SURFACE, (void **)&rsc->mHal.funcs.allocation.setSurface);
86     ret &= fn(RS_HAL_ALLOCATION_IO_SEND, (void **)&rsc->mHal.funcs.allocation.ioSend);
87     ret &= fn(RS_HAL_ALLOCATION_IO_RECEIVE, (void **)&rsc->mHal.funcs.allocation.ioReceive);
88     ret &= fn(RS_HAL_ALLOCATION_DATA_1D, (void **)&rsc->mHal.funcs.allocation.data1D);
89     ret &= fn(RS_HAL_ALLOCATION_DATA_2D, (void **)&rsc->mHal.funcs.allocation.data2D);
90     ret &= fn(RS_HAL_ALLOCATION_DATA_3D, (void **)&rsc->mHal.funcs.allocation.data3D);
91     ret &= fn(RS_HAL_ALLOCATION_READ_1D, (void **)&rsc->mHal.funcs.allocation.read1D);
92     ret &= fn(RS_HAL_ALLOCATION_READ_2D, (void **)&rsc->mHal.funcs.allocation.read2D);
93     ret &= fn(RS_HAL_ALLOCATION_READ_3D, (void **)&rsc->mHal.funcs.allocation.read3D);
94     ret &= fn(RS_HAL_ALLOCATION_LOCK_1D, (void **)&rsc->mHal.funcs.allocation.lock1D);
95     ret &= fn(RS_HAL_ALLOCATION_UNLOCK_1D, (void **)&rsc->mHal.funcs.allocation.unlock1D);
96     ret &= fn(RS_HAL_ALLOCATION_COPY_1D, (void **)&rsc->mHal.funcs.allocation.allocData1D);
97     ret &= fn(RS_HAL_ALLOCATION_COPY_2D, (void **)&rsc->mHal.funcs.allocation.allocData2D);
98     ret &= fn(RS_HAL_ALLOCATION_COPY_3D, (void **)&rsc->mHal.funcs.allocation.allocData3D);
99     ret &= fn(RS_HAL_ALLOCATION_ELEMENT_DATA, (void **)&rsc->mHal.funcs.allocation.elementData);
100     ret &= fn(RS_HAL_ALLOCATION_ELEMENT_READ, (void **)&rsc->mHal.funcs.allocation.elementRead);
101     ret &= fn(RS_HAL_ALLOCATION_GENERATE_MIPMAPS, (void **)&rsc->mHal.funcs.allocation.generateMipmaps);
102     ret &= fn(RS_HAL_ALLOCATION_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.allocation.updateCachedObject);
103     ret &= fn(RS_HAL_ALLOCATION_ADAPTER_OFFSET, (void **)&rsc->mHal.funcs.allocation.adapterOffset);
104     ret &= fn(RS_HAL_ALLOCATION_GET_POINTER, (void **)&rsc->mHal.funcs.allocation.getPointer);
105 #ifdef RS_COMPATIBILITY_LIB
106     ret &= fn(RS_HAL_ALLOCATION_INIT_STRIDED, (void **)&rsc->mHal.funcs.allocation.initStrided);
107 #endif
108 
109     ret &= fn(RS_HAL_SAMPLER_INIT, (void **)&rsc->mHal.funcs.sampler.init);
110     ret &= fn(RS_HAL_SAMPLER_DESTROY, (void **)&rsc->mHal.funcs.sampler.destroy);
111     ret &= fn(RS_HAL_SAMPLER_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.sampler.updateCachedObject);
112 
113     ret &= fn(RS_HAL_TYPE_INIT, (void **)&rsc->mHal.funcs.type.init);
114     ret &= fn(RS_HAL_TYPE_DESTROY, (void **)&rsc->mHal.funcs.type.destroy);
115     ret &= fn(RS_HAL_TYPE_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.type.updateCachedObject);
116 
117     ret &= fn(RS_HAL_ELEMENT_INIT, (void **)&rsc->mHal.funcs.element.init);
118     ret &= fn(RS_HAL_ELEMENT_DESTROY, (void **)&rsc->mHal.funcs.element.destroy);
119     ret &= fn(RS_HAL_ELEMENT_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.element.updateCachedObject);
120 
121     ret &= fn(RS_HAL_SCRIPT_GROUP_INIT, (void **)&rsc->mHal.funcs.scriptgroup.init);
122     ret &= fn(RS_HAL_SCRIPT_GROUP_DESTROY, (void **)&rsc->mHal.funcs.scriptgroup.destroy);
123     ret &= fn(RS_HAL_SCRIPT_GROUP_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.scriptgroup.updateCachedObject);
124     ret &= fn(RS_HAL_SCRIPT_GROUP_SET_INPUT, (void **)&rsc->mHal.funcs.scriptgroup.setInput);
125     ret &= fn(RS_HAL_SCRIPT_GROUP_SET_OUTPUT, (void **)&rsc->mHal.funcs.scriptgroup.setOutput);
126     ret &= fn(RS_HAL_SCRIPT_GROUP_EXECUTE, (void **)&rsc->mHal.funcs.scriptgroup.execute);
127 
128 
129     if (loadGraphics) {
130         ret &= fn(RS_HAL_GRAPHICS_INIT, (void **)&rsc->mHal.funcs.initGraphics);
131         ret &= fn(RS_HAL_GRAPHICS_SHUTDOWN, (void **)&rsc->mHal.funcs.shutdownGraphics);
132         ret &= fn(RS_HAL_GRAPHICS_SWAP, (void **)&rsc->mHal.funcs.swap);
133         ret &= fn(RS_HAL_GRAPHICS_SET_SURFACE, (void **)&rsc->mHal.funcs.setSurface);
134         ret &= fn(RS_HAL_GRAPHICS_RASTER_INIT, (void **)&rsc->mHal.funcs.raster.init);
135         ret &= fn(RS_HAL_GRAPHICS_RASTER_SET_ACTIVE, (void **)&rsc->mHal.funcs.raster.setActive);
136         ret &= fn(RS_HAL_GRAPHICS_RASTER_DESTROY, (void **)&rsc->mHal.funcs.raster.destroy);
137         ret &= fn(RS_HAL_GRAPHICS_VERTEX_INIT, (void **)&rsc->mHal.funcs.vertex.init);
138         ret &= fn(RS_HAL_GRAPHICS_VERTEX_SET_ACTIVE, (void **)&rsc->mHal.funcs.vertex.setActive);
139         ret &= fn(RS_HAL_GRAPHICS_VERTEX_DESTROY, (void **)&rsc->mHal.funcs.vertex.destroy);
140         ret &= fn(RS_HAL_GRAPHICS_FRAGMENT_INIT, (void **)&rsc->mHal.funcs.fragment.init);
141         ret &= fn(RS_HAL_GRAPHICS_FRAGMENT_SET_ACTIVE, (void **)&rsc->mHal.funcs.fragment.setActive);
142         ret &= fn(RS_HAL_GRAPHICS_FRAGMENT_DESTROY, (void **)&rsc->mHal.funcs.fragment.destroy);
143         ret &= fn(RS_HAL_GRAPHICS_MESH_INIT, (void **)&rsc->mHal.funcs.mesh.init);
144         ret &= fn(RS_HAL_GRAPHICS_MESH_DRAW, (void **)&rsc->mHal.funcs.mesh.draw);
145         ret &= fn(RS_HAL_GRAPHICS_MESH_DESTROY, (void **)&rsc->mHal.funcs.mesh.destroy);
146         ret &= fn(RS_HAL_GRAPHICS_FB_INIT, (void **)&rsc->mHal.funcs.framebuffer.init);
147         ret &= fn(RS_HAL_GRAPHICS_FB_SET_ACTIVE, (void **)&rsc->mHal.funcs.framebuffer.setActive);
148         ret &= fn(RS_HAL_GRAPHICS_FB_DESTROY, (void **)&rsc->mHal.funcs.framebuffer.destroy);
149         ret &= fn(RS_HAL_GRAPHICS_STORE_INIT, (void **)&rsc->mHal.funcs.store.init);
150         ret &= fn(RS_HAL_GRAPHICS_STORE_SET_ACTIVE, (void **)&rsc->mHal.funcs.store.setActive);
151         ret &= fn(RS_HAL_GRAPHICS_STORE_DESTROY, (void **)&rsc->mHal.funcs.store.destroy);
152     }
153 
154     return ret;
155 }
156 
loadRuntime(const char * filename)157 bool Context::loadRuntime(const char* filename) {
158     HalQueryVersion fnQueryVersion = nullptr;
159     HalQueryHal fnQueryHal = nullptr;
160     HalInit fnInit = nullptr;
161     HalAbort fnAbort = nullptr;
162 
163 
164     // TODO: store the driverSO somewhere so we can dlclose later
165     void *driverSO = nullptr;
166 
167     driverSO = dlopen(filename, RTLD_LAZY);
168     if (driverSO == nullptr) {
169         ALOGE("Failed loading RS driver: %s", dlerror());
170         return false;
171     }
172 
173     // Need to call dlerror() to clear buffer before using it for dlsym().
174     (void) dlerror();
175 
176     fnQueryVersion = (HalQueryVersion) dlsym(driverSO, "rsdHalQueryVersion");
177     fnQueryHal = (HalQueryHal) dlsym(driverSO, "rsdHalQueryHal");
178     fnInit = (HalInit) dlsym(driverSO, "rsdHalInit");
179     fnAbort = (HalAbort) dlsym(driverSO, "rsdHalAbort");
180     uint32_t version_major = 0;
181     uint32_t version_minor = 0;
182 
183     if ((fnQueryVersion == nullptr) || (fnQueryHal == nullptr) ||
184         (fnInit == nullptr) || (fnAbort == nullptr)) {
185 
186         ALOGE("Failed to find hal setup entry points: %s", dlerror());
187         goto error;
188     }
189 
190     if (!fnQueryVersion(&version_major, &version_minor)) {
191         ALOGE("Error checking RS driver version, %s", filename);
192         goto error;
193     }
194 
195     if (version_major != RS_HAL_VERSION) {
196         ALOGE("Mismatched RS HAL versions: %s is version %u but version %u is expected",
197               filename, version_major, RS_HAL_VERSION);
198         goto error;
199     }
200 
201     if (!LoadHalTable(this, fnQueryHal, mIsGraphicsContext)) {
202         ALOGE("Error loading RS HAL table, %s", filename);
203         goto error;
204     }
205 
206     if (!(*fnInit)(this, 0, 0)) {
207         ALOGE("Hal init failed,  %s", filename);
208         goto error;
209     }
210 
211     // Only map in the actual driver name if we successfully load the runtime.
212     setDriverName(filename);
213 
214     return true;
215 
216 
217 error:
218     if (fnAbort != nullptr) {
219         fnAbort(this);
220     }
221     dlclose(driverSO);
222     return false;
223 }
224 
225 
226 
loadDriver(bool forceDefault,bool forceRSoV)227 bool Context::loadDriver(bool forceDefault, bool forceRSoV) {
228     bool loadDefault = true;
229 
230     // Provide a mechanism for dropping in a different RS driver.
231 #ifndef RS_COMPATIBILITY_LIB
232 
233     if (forceRSoV) {
234         // If the property is set to use the RSoV driver, load it and fall back
235         // to the vendor driver or the CPU reference driver if it does not load.
236         if (loadRuntime("libRSDriver_RSoV.so")) {
237             ALOGV("Successfully loaded the RSoV driver!");
238             return true;
239         }
240         ALOGE("Failed to load the RSoV driver!");
241     }
242 
243     if (!forceDefault && mVendorDriverName != nullptr) {
244         if (loadRuntime(mVendorDriverName)) {
245             ALOGV("Successfully loaded runtime: %s", mVendorDriverName);
246             loadDefault = false;
247         } else {
248             ALOGE("Failed to load runtime %s, loading default", mVendorDriverName);
249         }
250     }
251 
252     if (loadDefault) {
253         if (!loadRuntime("libRSDriver.so")) {
254             ALOGE("Failed to load default runtime!");
255             return false;
256         }
257     }
258 #else // RS_COMPATIBILITY_LIB
259     if (!LoadHalTable(this, rsdHalQueryHal, false)) {
260         ALOGE("Error loading RS HAL table");
261         return false;
262     }
263     if (rsdHalInit(this, 0, 0) != true) {
264         return false;
265     }
266 #endif
267 
268     return true;
269 }
270 
271 } // namespace renderscript
272 } // namespace android
273