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
42namespace android {
43namespace renderscript {
44
45typedef bool (*HalQueryVersion)(uint32_t *version_major, uint32_t *version_minor);
46typedef bool (*HalQueryHal)(android::renderscript::RsHalInitEnums entry, void **fnPtr);
47typedef bool (*HalInit)(RsContext, uint32_t version_major, uint32_t version_minor);
48typedef void (*HalAbort)(RsContext);
49
50
51static 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
157bool 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
217error:
218    if (fnAbort != nullptr) {
219        fnAbort(this);
220    }
221    dlclose(driverSO);
222    return false;
223}
224
225
226
227bool 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