xref: /aosp_15_r20/frameworks/rs/rsDriverLoader.cpp (revision e1eccf28f96817838ad6867f7f39d2351ec11f56)
1*e1eccf28SAndroid Build Coastguard Worker /*
2*e1eccf28SAndroid Build Coastguard Worker  * Copyright (C) 2015 The Android Open Source Project
3*e1eccf28SAndroid Build Coastguard Worker  *
4*e1eccf28SAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*e1eccf28SAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*e1eccf28SAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*e1eccf28SAndroid Build Coastguard Worker  *
8*e1eccf28SAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*e1eccf28SAndroid Build Coastguard Worker  *
10*e1eccf28SAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*e1eccf28SAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*e1eccf28SAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*e1eccf28SAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*e1eccf28SAndroid Build Coastguard Worker  * limitations under the License.
15*e1eccf28SAndroid Build Coastguard Worker  */
16*e1eccf28SAndroid Build Coastguard Worker 
17*e1eccf28SAndroid Build Coastguard Worker #include "rs.h"
18*e1eccf28SAndroid Build Coastguard Worker #include "rsDevice.h"
19*e1eccf28SAndroid Build Coastguard Worker #include "rsContext.h"
20*e1eccf28SAndroid Build Coastguard Worker #include "rsThreadIO.h"
21*e1eccf28SAndroid Build Coastguard Worker 
22*e1eccf28SAndroid Build Coastguard Worker #include "rsgApiStructs.h"
23*e1eccf28SAndroid Build Coastguard Worker 
24*e1eccf28SAndroid Build Coastguard Worker #if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
25*e1eccf28SAndroid Build Coastguard Worker #include "rsMesh.h"
26*e1eccf28SAndroid Build Coastguard Worker #endif
27*e1eccf28SAndroid Build Coastguard Worker 
28*e1eccf28SAndroid Build Coastguard Worker #include <sys/types.h>
29*e1eccf28SAndroid Build Coastguard Worker #include <sys/resource.h>
30*e1eccf28SAndroid Build Coastguard Worker #include <sched.h>
31*e1eccf28SAndroid Build Coastguard Worker 
32*e1eccf28SAndroid Build Coastguard Worker #include <sys/syscall.h>
33*e1eccf28SAndroid Build Coastguard Worker #include <string.h>
34*e1eccf28SAndroid Build Coastguard Worker #include <dlfcn.h>
35*e1eccf28SAndroid Build Coastguard Worker #include <inttypes.h>
36*e1eccf28SAndroid Build Coastguard Worker #include <unistd.h>
37*e1eccf28SAndroid Build Coastguard Worker 
38*e1eccf28SAndroid Build Coastguard Worker #ifdef RS_COMPATIBILITY_LIB
39*e1eccf28SAndroid Build Coastguard Worker #include "rsCompatibilityLib.h"
40*e1eccf28SAndroid Build Coastguard Worker #endif
41*e1eccf28SAndroid Build Coastguard Worker 
42*e1eccf28SAndroid Build Coastguard Worker namespace android {
43*e1eccf28SAndroid Build Coastguard Worker namespace renderscript {
44*e1eccf28SAndroid Build Coastguard Worker 
45*e1eccf28SAndroid Build Coastguard Worker typedef bool (*HalQueryVersion)(uint32_t *version_major, uint32_t *version_minor);
46*e1eccf28SAndroid Build Coastguard Worker typedef bool (*HalQueryHal)(android::renderscript::RsHalInitEnums entry, void **fnPtr);
47*e1eccf28SAndroid Build Coastguard Worker typedef bool (*HalInit)(RsContext, uint32_t version_major, uint32_t version_minor);
48*e1eccf28SAndroid Build Coastguard Worker typedef void (*HalAbort)(RsContext);
49*e1eccf28SAndroid Build Coastguard Worker 
50*e1eccf28SAndroid Build Coastguard Worker 
LoadHalTable(Context * rsc,HalQueryHal fn,bool loadGraphics)51*e1eccf28SAndroid Build Coastguard Worker static bool LoadHalTable(Context *rsc, HalQueryHal fn, bool loadGraphics) {
52*e1eccf28SAndroid Build Coastguard Worker     bool ret = true;
53*e1eccf28SAndroid Build Coastguard Worker 
54*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_CORE_SHUTDOWN, (void **)&rsc->mHal.funcs.shutdownDriver);
55*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_CORE_SET_PRIORITY, (void **)&rsc->mHal.funcs.setPriority);
56*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_CORE_ALLOC_RUNTIME_MEM, (void **)&rsc->mHal.funcs.allocRuntimeMem);
57*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_CORE_FREE_RUNTIME_MEM, (void **)&rsc->mHal.funcs.freeRuntimeMem);
58*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_CORE_FINISH, (void **)&rsc->mHal.funcs.finish);
59*e1eccf28SAndroid Build Coastguard Worker 
60*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_INIT, (void **)&rsc->mHal.funcs.script.init);
61*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_INIT_INTRINSIC, (void **)&rsc->mHal.funcs.script.initIntrinsic);
62*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_INVOKE_FUNCTION, (void **)&rsc->mHal.funcs.script.invokeFunction);
63*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_INVOKE_ROOT, (void **)&rsc->mHal.funcs.script.invokeRoot);
64*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_INVOKE_FOR_EACH, (void **)&rsc->mHal.funcs.script.invokeForEach);
65*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_INVOKE_REDUCE, (void **)&rsc->mHal.funcs.script.invokeReduce);
66*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_INVOKE_INIT, (void **)&rsc->mHal.funcs.script.invokeInit);
67*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_INVOKE_FREE_CHILDREN, (void **)&rsc->mHal.funcs.script.invokeFreeChildren);
68*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_VAR, (void **)&rsc->mHal.funcs.script.setGlobalVar);
69*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_GET_GLOBAL_VAR, (void **)&rsc->mHal.funcs.script.getGlobalVar);
70*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_VAR_WITH_ELEMENT_DIM, (void **)&rsc->mHal.funcs.script.setGlobalVarWithElemDims);
71*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_BIND, (void **)&rsc->mHal.funcs.script.setGlobalBind);
72*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_OBJECT, (void **)&rsc->mHal.funcs.script.setGlobalObj);
73*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_DESTROY, (void **)&rsc->mHal.funcs.script.destroy);
74*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_INVOKE_FOR_EACH_MULTI, (void **)&rsc->mHal.funcs.script.invokeForEachMulti);
75*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.script.updateCachedObject);
76*e1eccf28SAndroid Build Coastguard Worker 
77*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_INIT, (void **)&rsc->mHal.funcs.allocation.init);
78*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_INIT_OEM, (void **)&rsc->mHal.funcs.allocation.initOem);
79*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_INIT_ADAPTER, (void **)&rsc->mHal.funcs.allocation.initAdapter);
80*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_DESTROY, (void **)&rsc->mHal.funcs.allocation.destroy);
81*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_GET_GRALLOC_BITS, (void **)&rsc->mHal.funcs.allocation.grallocBits);
82*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_RESIZE, (void **)&rsc->mHal.funcs.allocation.resize);
83*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_SYNC_ALL, (void **)&rsc->mHal.funcs.allocation.syncAll);
84*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_MARK_DIRTY, (void **)&rsc->mHal.funcs.allocation.markDirty);
85*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_SET_SURFACE, (void **)&rsc->mHal.funcs.allocation.setSurface);
86*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_IO_SEND, (void **)&rsc->mHal.funcs.allocation.ioSend);
87*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_IO_RECEIVE, (void **)&rsc->mHal.funcs.allocation.ioReceive);
88*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_DATA_1D, (void **)&rsc->mHal.funcs.allocation.data1D);
89*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_DATA_2D, (void **)&rsc->mHal.funcs.allocation.data2D);
90*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_DATA_3D, (void **)&rsc->mHal.funcs.allocation.data3D);
91*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_READ_1D, (void **)&rsc->mHal.funcs.allocation.read1D);
92*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_READ_2D, (void **)&rsc->mHal.funcs.allocation.read2D);
93*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_READ_3D, (void **)&rsc->mHal.funcs.allocation.read3D);
94*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_LOCK_1D, (void **)&rsc->mHal.funcs.allocation.lock1D);
95*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_UNLOCK_1D, (void **)&rsc->mHal.funcs.allocation.unlock1D);
96*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_COPY_1D, (void **)&rsc->mHal.funcs.allocation.allocData1D);
97*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_COPY_2D, (void **)&rsc->mHal.funcs.allocation.allocData2D);
98*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_COPY_3D, (void **)&rsc->mHal.funcs.allocation.allocData3D);
99*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_ELEMENT_DATA, (void **)&rsc->mHal.funcs.allocation.elementData);
100*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_ELEMENT_READ, (void **)&rsc->mHal.funcs.allocation.elementRead);
101*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_GENERATE_MIPMAPS, (void **)&rsc->mHal.funcs.allocation.generateMipmaps);
102*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.allocation.updateCachedObject);
103*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_ADAPTER_OFFSET, (void **)&rsc->mHal.funcs.allocation.adapterOffset);
104*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_GET_POINTER, (void **)&rsc->mHal.funcs.allocation.getPointer);
105*e1eccf28SAndroid Build Coastguard Worker #ifdef RS_COMPATIBILITY_LIB
106*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ALLOCATION_INIT_STRIDED, (void **)&rsc->mHal.funcs.allocation.initStrided);
107*e1eccf28SAndroid Build Coastguard Worker #endif
108*e1eccf28SAndroid Build Coastguard Worker 
109*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SAMPLER_INIT, (void **)&rsc->mHal.funcs.sampler.init);
110*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SAMPLER_DESTROY, (void **)&rsc->mHal.funcs.sampler.destroy);
111*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SAMPLER_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.sampler.updateCachedObject);
112*e1eccf28SAndroid Build Coastguard Worker 
113*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_TYPE_INIT, (void **)&rsc->mHal.funcs.type.init);
114*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_TYPE_DESTROY, (void **)&rsc->mHal.funcs.type.destroy);
115*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_TYPE_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.type.updateCachedObject);
116*e1eccf28SAndroid Build Coastguard Worker 
117*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ELEMENT_INIT, (void **)&rsc->mHal.funcs.element.init);
118*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ELEMENT_DESTROY, (void **)&rsc->mHal.funcs.element.destroy);
119*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_ELEMENT_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.element.updateCachedObject);
120*e1eccf28SAndroid Build Coastguard Worker 
121*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_GROUP_INIT, (void **)&rsc->mHal.funcs.scriptgroup.init);
122*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_GROUP_DESTROY, (void **)&rsc->mHal.funcs.scriptgroup.destroy);
123*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_GROUP_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.scriptgroup.updateCachedObject);
124*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_GROUP_SET_INPUT, (void **)&rsc->mHal.funcs.scriptgroup.setInput);
125*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_GROUP_SET_OUTPUT, (void **)&rsc->mHal.funcs.scriptgroup.setOutput);
126*e1eccf28SAndroid Build Coastguard Worker     ret &= fn(RS_HAL_SCRIPT_GROUP_EXECUTE, (void **)&rsc->mHal.funcs.scriptgroup.execute);
127*e1eccf28SAndroid Build Coastguard Worker 
128*e1eccf28SAndroid Build Coastguard Worker 
129*e1eccf28SAndroid Build Coastguard Worker     if (loadGraphics) {
130*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_INIT, (void **)&rsc->mHal.funcs.initGraphics);
131*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_SHUTDOWN, (void **)&rsc->mHal.funcs.shutdownGraphics);
132*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_SWAP, (void **)&rsc->mHal.funcs.swap);
133*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_SET_SURFACE, (void **)&rsc->mHal.funcs.setSurface);
134*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_RASTER_INIT, (void **)&rsc->mHal.funcs.raster.init);
135*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_RASTER_SET_ACTIVE, (void **)&rsc->mHal.funcs.raster.setActive);
136*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_RASTER_DESTROY, (void **)&rsc->mHal.funcs.raster.destroy);
137*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_VERTEX_INIT, (void **)&rsc->mHal.funcs.vertex.init);
138*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_VERTEX_SET_ACTIVE, (void **)&rsc->mHal.funcs.vertex.setActive);
139*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_VERTEX_DESTROY, (void **)&rsc->mHal.funcs.vertex.destroy);
140*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_FRAGMENT_INIT, (void **)&rsc->mHal.funcs.fragment.init);
141*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_FRAGMENT_SET_ACTIVE, (void **)&rsc->mHal.funcs.fragment.setActive);
142*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_FRAGMENT_DESTROY, (void **)&rsc->mHal.funcs.fragment.destroy);
143*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_MESH_INIT, (void **)&rsc->mHal.funcs.mesh.init);
144*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_MESH_DRAW, (void **)&rsc->mHal.funcs.mesh.draw);
145*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_MESH_DESTROY, (void **)&rsc->mHal.funcs.mesh.destroy);
146*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_FB_INIT, (void **)&rsc->mHal.funcs.framebuffer.init);
147*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_FB_SET_ACTIVE, (void **)&rsc->mHal.funcs.framebuffer.setActive);
148*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_FB_DESTROY, (void **)&rsc->mHal.funcs.framebuffer.destroy);
149*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_STORE_INIT, (void **)&rsc->mHal.funcs.store.init);
150*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_STORE_SET_ACTIVE, (void **)&rsc->mHal.funcs.store.setActive);
151*e1eccf28SAndroid Build Coastguard Worker         ret &= fn(RS_HAL_GRAPHICS_STORE_DESTROY, (void **)&rsc->mHal.funcs.store.destroy);
152*e1eccf28SAndroid Build Coastguard Worker     }
153*e1eccf28SAndroid Build Coastguard Worker 
154*e1eccf28SAndroid Build Coastguard Worker     return ret;
155*e1eccf28SAndroid Build Coastguard Worker }
156*e1eccf28SAndroid Build Coastguard Worker 
loadRuntime(const char * filename)157*e1eccf28SAndroid Build Coastguard Worker bool Context::loadRuntime(const char* filename) {
158*e1eccf28SAndroid Build Coastguard Worker     HalQueryVersion fnQueryVersion = nullptr;
159*e1eccf28SAndroid Build Coastguard Worker     HalQueryHal fnQueryHal = nullptr;
160*e1eccf28SAndroid Build Coastguard Worker     HalInit fnInit = nullptr;
161*e1eccf28SAndroid Build Coastguard Worker     HalAbort fnAbort = nullptr;
162*e1eccf28SAndroid Build Coastguard Worker 
163*e1eccf28SAndroid Build Coastguard Worker 
164*e1eccf28SAndroid Build Coastguard Worker     // TODO: store the driverSO somewhere so we can dlclose later
165*e1eccf28SAndroid Build Coastguard Worker     void *driverSO = nullptr;
166*e1eccf28SAndroid Build Coastguard Worker 
167*e1eccf28SAndroid Build Coastguard Worker     driverSO = dlopen(filename, RTLD_LAZY);
168*e1eccf28SAndroid Build Coastguard Worker     if (driverSO == nullptr) {
169*e1eccf28SAndroid Build Coastguard Worker         ALOGE("Failed loading RS driver: %s", dlerror());
170*e1eccf28SAndroid Build Coastguard Worker         return false;
171*e1eccf28SAndroid Build Coastguard Worker     }
172*e1eccf28SAndroid Build Coastguard Worker 
173*e1eccf28SAndroid Build Coastguard Worker     // Need to call dlerror() to clear buffer before using it for dlsym().
174*e1eccf28SAndroid Build Coastguard Worker     (void) dlerror();
175*e1eccf28SAndroid Build Coastguard Worker 
176*e1eccf28SAndroid Build Coastguard Worker     fnQueryVersion = (HalQueryVersion) dlsym(driverSO, "rsdHalQueryVersion");
177*e1eccf28SAndroid Build Coastguard Worker     fnQueryHal = (HalQueryHal) dlsym(driverSO, "rsdHalQueryHal");
178*e1eccf28SAndroid Build Coastguard Worker     fnInit = (HalInit) dlsym(driverSO, "rsdHalInit");
179*e1eccf28SAndroid Build Coastguard Worker     fnAbort = (HalAbort) dlsym(driverSO, "rsdHalAbort");
180*e1eccf28SAndroid Build Coastguard Worker     uint32_t version_major = 0;
181*e1eccf28SAndroid Build Coastguard Worker     uint32_t version_minor = 0;
182*e1eccf28SAndroid Build Coastguard Worker 
183*e1eccf28SAndroid Build Coastguard Worker     if ((fnQueryVersion == nullptr) || (fnQueryHal == nullptr) ||
184*e1eccf28SAndroid Build Coastguard Worker         (fnInit == nullptr) || (fnAbort == nullptr)) {
185*e1eccf28SAndroid Build Coastguard Worker 
186*e1eccf28SAndroid Build Coastguard Worker         ALOGE("Failed to find hal setup entry points: %s", dlerror());
187*e1eccf28SAndroid Build Coastguard Worker         goto error;
188*e1eccf28SAndroid Build Coastguard Worker     }
189*e1eccf28SAndroid Build Coastguard Worker 
190*e1eccf28SAndroid Build Coastguard Worker     if (!fnQueryVersion(&version_major, &version_minor)) {
191*e1eccf28SAndroid Build Coastguard Worker         ALOGE("Error checking RS driver version, %s", filename);
192*e1eccf28SAndroid Build Coastguard Worker         goto error;
193*e1eccf28SAndroid Build Coastguard Worker     }
194*e1eccf28SAndroid Build Coastguard Worker 
195*e1eccf28SAndroid Build Coastguard Worker     if (version_major != RS_HAL_VERSION) {
196*e1eccf28SAndroid Build Coastguard Worker         ALOGE("Mismatched RS HAL versions: %s is version %u but version %u is expected",
197*e1eccf28SAndroid Build Coastguard Worker               filename, version_major, RS_HAL_VERSION);
198*e1eccf28SAndroid Build Coastguard Worker         goto error;
199*e1eccf28SAndroid Build Coastguard Worker     }
200*e1eccf28SAndroid Build Coastguard Worker 
201*e1eccf28SAndroid Build Coastguard Worker     if (!LoadHalTable(this, fnQueryHal, mIsGraphicsContext)) {
202*e1eccf28SAndroid Build Coastguard Worker         ALOGE("Error loading RS HAL table, %s", filename);
203*e1eccf28SAndroid Build Coastguard Worker         goto error;
204*e1eccf28SAndroid Build Coastguard Worker     }
205*e1eccf28SAndroid Build Coastguard Worker 
206*e1eccf28SAndroid Build Coastguard Worker     if (!(*fnInit)(this, 0, 0)) {
207*e1eccf28SAndroid Build Coastguard Worker         ALOGE("Hal init failed,  %s", filename);
208*e1eccf28SAndroid Build Coastguard Worker         goto error;
209*e1eccf28SAndroid Build Coastguard Worker     }
210*e1eccf28SAndroid Build Coastguard Worker 
211*e1eccf28SAndroid Build Coastguard Worker     // Only map in the actual driver name if we successfully load the runtime.
212*e1eccf28SAndroid Build Coastguard Worker     setDriverName(filename);
213*e1eccf28SAndroid Build Coastguard Worker 
214*e1eccf28SAndroid Build Coastguard Worker     return true;
215*e1eccf28SAndroid Build Coastguard Worker 
216*e1eccf28SAndroid Build Coastguard Worker 
217*e1eccf28SAndroid Build Coastguard Worker error:
218*e1eccf28SAndroid Build Coastguard Worker     if (fnAbort != nullptr) {
219*e1eccf28SAndroid Build Coastguard Worker         fnAbort(this);
220*e1eccf28SAndroid Build Coastguard Worker     }
221*e1eccf28SAndroid Build Coastguard Worker     dlclose(driverSO);
222*e1eccf28SAndroid Build Coastguard Worker     return false;
223*e1eccf28SAndroid Build Coastguard Worker }
224*e1eccf28SAndroid Build Coastguard Worker 
225*e1eccf28SAndroid Build Coastguard Worker 
226*e1eccf28SAndroid Build Coastguard Worker 
loadDriver(bool forceDefault,bool forceRSoV)227*e1eccf28SAndroid Build Coastguard Worker bool Context::loadDriver(bool forceDefault, bool forceRSoV) {
228*e1eccf28SAndroid Build Coastguard Worker     bool loadDefault = true;
229*e1eccf28SAndroid Build Coastguard Worker 
230*e1eccf28SAndroid Build Coastguard Worker     // Provide a mechanism for dropping in a different RS driver.
231*e1eccf28SAndroid Build Coastguard Worker #ifndef RS_COMPATIBILITY_LIB
232*e1eccf28SAndroid Build Coastguard Worker 
233*e1eccf28SAndroid Build Coastguard Worker     if (forceRSoV) {
234*e1eccf28SAndroid Build Coastguard Worker         // If the property is set to use the RSoV driver, load it and fall back
235*e1eccf28SAndroid Build Coastguard Worker         // to the vendor driver or the CPU reference driver if it does not load.
236*e1eccf28SAndroid Build Coastguard Worker         if (loadRuntime("libRSDriver_RSoV.so")) {
237*e1eccf28SAndroid Build Coastguard Worker             ALOGV("Successfully loaded the RSoV driver!");
238*e1eccf28SAndroid Build Coastguard Worker             return true;
239*e1eccf28SAndroid Build Coastguard Worker         }
240*e1eccf28SAndroid Build Coastguard Worker         ALOGE("Failed to load the RSoV driver!");
241*e1eccf28SAndroid Build Coastguard Worker     }
242*e1eccf28SAndroid Build Coastguard Worker 
243*e1eccf28SAndroid Build Coastguard Worker     if (!forceDefault && mVendorDriverName != nullptr) {
244*e1eccf28SAndroid Build Coastguard Worker         if (loadRuntime(mVendorDriverName)) {
245*e1eccf28SAndroid Build Coastguard Worker             ALOGV("Successfully loaded runtime: %s", mVendorDriverName);
246*e1eccf28SAndroid Build Coastguard Worker             loadDefault = false;
247*e1eccf28SAndroid Build Coastguard Worker         } else {
248*e1eccf28SAndroid Build Coastguard Worker             ALOGE("Failed to load runtime %s, loading default", mVendorDriverName);
249*e1eccf28SAndroid Build Coastguard Worker         }
250*e1eccf28SAndroid Build Coastguard Worker     }
251*e1eccf28SAndroid Build Coastguard Worker 
252*e1eccf28SAndroid Build Coastguard Worker     if (loadDefault) {
253*e1eccf28SAndroid Build Coastguard Worker         if (!loadRuntime("libRSDriver.so")) {
254*e1eccf28SAndroid Build Coastguard Worker             ALOGE("Failed to load default runtime!");
255*e1eccf28SAndroid Build Coastguard Worker             return false;
256*e1eccf28SAndroid Build Coastguard Worker         }
257*e1eccf28SAndroid Build Coastguard Worker     }
258*e1eccf28SAndroid Build Coastguard Worker #else // RS_COMPATIBILITY_LIB
259*e1eccf28SAndroid Build Coastguard Worker     if (!LoadHalTable(this, rsdHalQueryHal, false)) {
260*e1eccf28SAndroid Build Coastguard Worker         ALOGE("Error loading RS HAL table");
261*e1eccf28SAndroid Build Coastguard Worker         return false;
262*e1eccf28SAndroid Build Coastguard Worker     }
263*e1eccf28SAndroid Build Coastguard Worker     if (rsdHalInit(this, 0, 0) != true) {
264*e1eccf28SAndroid Build Coastguard Worker         return false;
265*e1eccf28SAndroid Build Coastguard Worker     }
266*e1eccf28SAndroid Build Coastguard Worker #endif
267*e1eccf28SAndroid Build Coastguard Worker 
268*e1eccf28SAndroid Build Coastguard Worker     return true;
269*e1eccf28SAndroid Build Coastguard Worker }
270*e1eccf28SAndroid Build Coastguard Worker 
271*e1eccf28SAndroid Build Coastguard Worker } // namespace renderscript
272*e1eccf28SAndroid Build Coastguard Worker } // namespace android
273