rsDriverLoader.cpp revision 6c1876bbef1b2c89975dce91230a168bd2d2ce4c 
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(__ANDROID__)
41#include <cutils/properties.h>
42#endif
43
44#ifdef RS_COMPATIBILITY_LIB
45#include "rsCompatibilityLib.h"
46#endif
47
48using namespace android;
49using namespace android::renderscript;
50
51
52
53typedef bool (*HalQueryVersion)(uint32_t *version_major, uint32_t *version_minor);
54typedef bool (*HalQueryHal)(android::renderscript::RsHalInitEnums entry, void **fnPtr);
55typedef bool (*HalInit)(RsContext, uint32_t version_major, uint32_t version_minor);
56typedef void (*HalAbort)(RsContext);
57
58
59static 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_REDUCE, (void **)&rsc->mHal.funcs.script.invokeReduce);
74    ret &= fn(RS_HAL_SCRIPT_INVOKE_REDUCE_NEW, (void **)&rsc->mHal.funcs.script.invokeReduceNew);
75    ret &= fn(RS_HAL_SCRIPT_INVOKE_INIT, (void **)&rsc->mHal.funcs.script.invokeInit);
76    ret &= fn(RS_HAL_SCRIPT_INVOKE_FREE_CHILDREN, (void **)&rsc->mHal.funcs.script.invokeFreeChildren);
77    ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_VAR, (void **)&rsc->mHal.funcs.script.setGlobalVar);
78    ret &= fn(RS_HAL_SCRIPT_GET_GLOBAL_VAR, (void **)&rsc->mHal.funcs.script.getGlobalVar);
79    ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_VAR_WITH_ELEMENT_DIM, (void **)&rsc->mHal.funcs.script.setGlobalVarWithElemDims);
80    ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_BIND, (void **)&rsc->mHal.funcs.script.setGlobalBind);
81    ret &= fn(RS_HAL_SCRIPT_SET_GLOBAL_OBJECT, (void **)&rsc->mHal.funcs.script.setGlobalObj);
82    ret &= fn(RS_HAL_SCRIPT_DESTROY, (void **)&rsc->mHal.funcs.script.destroy);
83    ret &= fn(RS_HAL_SCRIPT_INVOKE_FOR_EACH_MULTI, (void **)&rsc->mHal.funcs.script.invokeForEachMulti);
84    ret &= fn(RS_HAL_SCRIPT_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.script.updateCachedObject);
85
86    ret &= fn(RS_HAL_ALLOCATION_INIT, (void **)&rsc->mHal.funcs.allocation.init);
87    ret &= fn(RS_HAL_ALLOCATION_INIT_OEM, (void **)&rsc->mHal.funcs.allocation.initOem);
88    ret &= fn(RS_HAL_ALLOCATION_INIT_ADAPTER, (void **)&rsc->mHal.funcs.allocation.initAdapter);
89    ret &= fn(RS_HAL_ALLOCATION_DESTROY, (void **)&rsc->mHal.funcs.allocation.destroy);
90    ret &= fn(RS_HAL_ALLOCATION_GET_GRALLOC_BITS, (void **)&rsc->mHal.funcs.allocation.grallocBits);
91    ret &= fn(RS_HAL_ALLOCATION_RESIZE, (void **)&rsc->mHal.funcs.allocation.resize);
92    ret &= fn(RS_HAL_ALLOCATION_SYNC_ALL, (void **)&rsc->mHal.funcs.allocation.syncAll);
93    ret &= fn(RS_HAL_ALLOCATION_MARK_DIRTY, (void **)&rsc->mHal.funcs.allocation.markDirty);
94    ret &= fn(RS_HAL_ALLOCATION_SET_SURFACE, (void **)&rsc->mHal.funcs.allocation.setSurface);
95    ret &= fn(RS_HAL_ALLOCATION_IO_SEND, (void **)&rsc->mHal.funcs.allocation.ioSend);
96    ret &= fn(RS_HAL_ALLOCATION_IO_RECEIVE, (void **)&rsc->mHal.funcs.allocation.ioReceive);
97    ret &= fn(RS_HAL_ALLOCATION_DATA_1D, (void **)&rsc->mHal.funcs.allocation.data1D);
98    ret &= fn(RS_HAL_ALLOCATION_DATA_2D, (void **)&rsc->mHal.funcs.allocation.data2D);
99    ret &= fn(RS_HAL_ALLOCATION_DATA_3D, (void **)&rsc->mHal.funcs.allocation.data3D);
100    ret &= fn(RS_HAL_ALLOCATION_READ_1D, (void **)&rsc->mHal.funcs.allocation.read1D);
101    ret &= fn(RS_HAL_ALLOCATION_READ_2D, (void **)&rsc->mHal.funcs.allocation.read2D);
102    ret &= fn(RS_HAL_ALLOCATION_READ_3D, (void **)&rsc->mHal.funcs.allocation.read3D);
103    ret &= fn(RS_HAL_ALLOCATION_LOCK_1D, (void **)&rsc->mHal.funcs.allocation.lock1D);
104    ret &= fn(RS_HAL_ALLOCATION_UNLOCK_1D, (void **)&rsc->mHal.funcs.allocation.unlock1D);
105    ret &= fn(RS_HAL_ALLOCATION_COPY_1D, (void **)&rsc->mHal.funcs.allocation.allocData1D);
106    ret &= fn(RS_HAL_ALLOCATION_COPY_2D, (void **)&rsc->mHal.funcs.allocation.allocData2D);
107    ret &= fn(RS_HAL_ALLOCATION_COPY_3D, (void **)&rsc->mHal.funcs.allocation.allocData3D);
108    ret &= fn(RS_HAL_ALLOCATION_ELEMENT_DATA, (void **)&rsc->mHal.funcs.allocation.elementData);
109    ret &= fn(RS_HAL_ALLOCATION_ELEMENT_READ, (void **)&rsc->mHal.funcs.allocation.elementRead);
110    ret &= fn(RS_HAL_ALLOCATION_GENERATE_MIPMAPS, (void **)&rsc->mHal.funcs.allocation.generateMipmaps);
111    ret &= fn(RS_HAL_ALLOCATION_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.allocation.updateCachedObject);
112    ret &= fn(RS_HAL_ALLOCATION_ADAPTER_OFFSET, (void **)&rsc->mHal.funcs.allocation.adapterOffset);
113    ret &= fn(RS_HAL_ALLOCATION_GET_POINTER, (void **)&rsc->mHal.funcs.allocation.getPointer);
114#ifdef RS_COMPATIBILITY_LIB
115    ret &= fn(RS_HAL_ALLOCATION_INIT_STRIDED, (void **)&rsc->mHal.funcs.allocation.initStrided);
116#endif
117
118    ret &= fn(RS_HAL_SAMPLER_INIT, (void **)&rsc->mHal.funcs.sampler.init);
119    ret &= fn(RS_HAL_SAMPLER_DESTROY, (void **)&rsc->mHal.funcs.sampler.destroy);
120    ret &= fn(RS_HAL_SAMPLER_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.sampler.updateCachedObject);
121
122    ret &= fn(RS_HAL_TYPE_INIT, (void **)&rsc->mHal.funcs.type.init);
123    ret &= fn(RS_HAL_TYPE_DESTROY, (void **)&rsc->mHal.funcs.type.destroy);
124    ret &= fn(RS_HAL_TYPE_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.type.updateCachedObject);
125
126    ret &= fn(RS_HAL_ELEMENT_INIT, (void **)&rsc->mHal.funcs.element.init);
127    ret &= fn(RS_HAL_ELEMENT_DESTROY, (void **)&rsc->mHal.funcs.element.destroy);
128    ret &= fn(RS_HAL_ELEMENT_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.element.updateCachedObject);
129
130    ret &= fn(RS_HAL_SCRIPT_GROUP_INIT, (void **)&rsc->mHal.funcs.scriptgroup.init);
131    ret &= fn(RS_HAL_SCRIPT_GROUP_DESTROY, (void **)&rsc->mHal.funcs.scriptgroup.destroy);
132    ret &= fn(RS_HAL_SCRIPT_GROUP_UPDATE_CACHED_OBJECT, (void **)&rsc->mHal.funcs.scriptgroup.updateCachedObject);
133    ret &= fn(RS_HAL_SCRIPT_GROUP_SET_INPUT, (void **)&rsc->mHal.funcs.scriptgroup.setInput);
134    ret &= fn(RS_HAL_SCRIPT_GROUP_SET_OUTPUT, (void **)&rsc->mHal.funcs.scriptgroup.setOutput);
135    ret &= fn(RS_HAL_SCRIPT_GROUP_EXECUTE, (void **)&rsc->mHal.funcs.scriptgroup.execute);
136
137
138    if (loadGraphics) {
139        ret &= fn(RS_HAL_GRAPHICS_INIT, (void **)&rsc->mHal.funcs.initGraphics);
140        ret &= fn(RS_HAL_GRAPHICS_SHUTDOWN, (void **)&rsc->mHal.funcs.shutdownGraphics);
141        ret &= fn(RS_HAL_GRAPHICS_SWAP, (void **)&rsc->mHal.funcs.swap);
142        ret &= fn(RS_HAL_GRAPHICS_SET_SURFACE, (void **)&rsc->mHal.funcs.setSurface);
143        ret &= fn(RS_HAL_GRAPHICS_RASTER_INIT, (void **)&rsc->mHal.funcs.raster.init);
144        ret &= fn(RS_HAL_GRAPHICS_RASTER_SET_ACTIVE, (void **)&rsc->mHal.funcs.raster.setActive);
145        ret &= fn(RS_HAL_GRAPHICS_RASTER_DESTROY, (void **)&rsc->mHal.funcs.raster.destroy);
146        ret &= fn(RS_HAL_GRAPHICS_VERTEX_INIT, (void **)&rsc->mHal.funcs.vertex.init);
147        ret &= fn(RS_HAL_GRAPHICS_VERTEX_SET_ACTIVE, (void **)&rsc->mHal.funcs.vertex.setActive);
148        ret &= fn(RS_HAL_GRAPHICS_VERTEX_DESTROY, (void **)&rsc->mHal.funcs.vertex.destroy);
149        ret &= fn(RS_HAL_GRAPHICS_FRAGMENT_INIT, (void **)&rsc->mHal.funcs.fragment.init);
150        ret &= fn(RS_HAL_GRAPHICS_FRAGMENT_SET_ACTIVE, (void **)&rsc->mHal.funcs.fragment.setActive);
151        ret &= fn(RS_HAL_GRAPHICS_FRAGMENT_DESTROY, (void **)&rsc->mHal.funcs.fragment.destroy);
152        ret &= fn(RS_HAL_GRAPHICS_MESH_INIT, (void **)&rsc->mHal.funcs.mesh.init);
153        ret &= fn(RS_HAL_GRAPHICS_MESH_DRAW, (void **)&rsc->mHal.funcs.mesh.draw);
154        ret &= fn(RS_HAL_GRAPHICS_MESH_DESTROY, (void **)&rsc->mHal.funcs.mesh.destroy);
155        ret &= fn(RS_HAL_GRAPHICS_FB_INIT, (void **)&rsc->mHal.funcs.framebuffer.init);
156        ret &= fn(RS_HAL_GRAPHICS_FB_SET_ACTIVE, (void **)&rsc->mHal.funcs.framebuffer.setActive);
157        ret &= fn(RS_HAL_GRAPHICS_FB_DESTROY, (void **)&rsc->mHal.funcs.framebuffer.destroy);
158        ret &= fn(RS_HAL_GRAPHICS_STORE_INIT, (void **)&rsc->mHal.funcs.store.init);
159        ret &= fn(RS_HAL_GRAPHICS_STORE_SET_ACTIVE, (void **)&rsc->mHal.funcs.store.setActive);
160        ret &= fn(RS_HAL_GRAPHICS_STORE_DESTROY, (void **)&rsc->mHal.funcs.store.destroy);
161    }
162
163    return ret;
164}
165
166bool Context::loadRuntime(const char* filename) {
167    HalQueryVersion fnQueryVersion = nullptr;
168    HalQueryHal fnQueryHal = nullptr;
169    HalInit fnInit = nullptr;
170    HalAbort fnAbort = nullptr;
171
172
173    // TODO: store the driverSO somewhere so we can dlclose later
174    void *driverSO = nullptr;
175
176    driverSO = dlopen(filename, RTLD_LAZY);
177    if (driverSO == nullptr) {
178        ALOGE("Failed loading RS driver: %s", dlerror());
179        return false;
180    }
181
182    // Need to call dlerror() to clear buffer before using it for dlsym().
183    (void) dlerror();
184
185    fnQueryVersion = (HalQueryVersion) dlsym(driverSO, "rsdHalQueryVersion");
186    fnQueryHal = (HalQueryHal) dlsym(driverSO, "rsdHalQueryHal");
187    fnInit = (HalInit) dlsym(driverSO, "rsdHalInit");
188    fnAbort = (HalAbort) dlsym(driverSO, "rsdHalAbort");
189    uint32_t version_major = 0;
190    uint32_t version_minor = 0;
191
192    if ((fnQueryVersion == nullptr) || (fnQueryHal == nullptr) ||
193        (fnInit == nullptr) || (fnAbort == nullptr)) {
194
195        ALOGE("Failed to find hal setup entry points: %s", dlerror());
196        goto error;
197    }
198
199    if (!fnQueryVersion(&version_major, &version_minor)) {
200        ALOGE("Error checking RS driver version, %s", filename);
201        goto error;
202    }
203
204    if (!LoadHalTable(this, fnQueryHal, mIsGraphicsContext)) {
205        ALOGE("Error loading RS HAL table, %s", filename);
206        goto error;
207    }
208
209    if (!(*fnInit)(this, 0, 0)) {
210        ALOGE("Hal init failed,  %s", filename);
211        goto error;
212    }
213
214    // Only map in the actual driver name if we successfully load the runtime.
215    setDriverName(filename);
216
217    return true;
218
219
220error:
221    if (fnAbort != nullptr) {
222        fnAbort(this);
223    }
224    dlclose(driverSO);
225    return false;
226}
227
228
229
230bool Context::loadDriver(bool forceDefault) {
231    bool loadDefault = true;
232
233    // Provide a mechanism for dropping in a different RS driver.
234#ifndef RS_COMPATIBILITY_LIB
235#ifdef OVERRIDE_RS_DRIVER
236#define XSTR(S) #S
237#define STR(S) XSTR(S)
238#define OVERRIDE_RS_DRIVER_STRING STR(OVERRIDE_RS_DRIVER)
239
240    if (!forceDefault) {
241        if (loadRuntime(OVERRIDE_RS_DRIVER_STRING)) {
242            ALOGV("Successfully loaded runtime: %s", OVERRIDE_RS_DRIVER_STRING);
243            loadDefault = false;
244        } else {
245            ALOGE("Failed to load runtime %s, loading default", OVERRIDE_RS_DRIVER_STRING);
246        }
247    }
248#undef XSTR
249#undef STR
250#endif  // OVERRIDE_RS_DRIVER
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