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