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1 /*
2  * Copyright (C) 2011-2012 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 #ifndef RS_HAL_H
18 #define RS_HAL_H
19 
20 #include <rsDefines.h>
21 
22 struct ANativeWindow;
23 
24 namespace android {
25 namespace renderscript {
26 
27 class Context;
28 class ObjectBase;
29 class Element;
30 class Type;
31 class Allocation;
32 class Script;
33 class ScriptKernelID;
34 class ScriptFieldID;
35 class ScriptMethodID;
36 class ScriptC;
37 class ScriptGroup;
38 class Path;
39 class Program;
40 class ProgramStore;
41 class ProgramRaster;
42 class ProgramVertex;
43 class ProgramFragment;
44 class Mesh;
45 class Sampler;
46 class FBOCache;
47 
48 typedef void *(*RsHalSymbolLookupFunc)(void *usrptr, char const *symbolName);
49 
50 typedef struct {
51     const void *in;
52     void *out;
53     const void *usr;
54     size_t usrLen;
55     uint32_t x;
56     uint32_t y;
57     uint32_t z;
58     uint32_t lod;
59     RsAllocationCubemapFace face;
60     uint32_t ar[16];
61 
62     uint32_t dimX;
63     uint32_t dimY;
64     uint32_t dimZ;
65     uint32_t dimArray;
66 
67     const uint8_t *ptrIn;
68     uint8_t *ptrOut;
69     uint32_t eStrideIn;
70     uint32_t eStrideOut;
71     uint32_t yStrideIn;
72     uint32_t yStrideOut;
73     uint32_t slot;
74 } RsForEachStubParamStruct;
75 
76 /**
77  * Script management functions
78  */
79 typedef struct {
80     bool (*initGraphics)(const Context *);
81     void (*shutdownGraphics)(const Context *);
82     bool (*setSurface)(const Context *, uint32_t w, uint32_t h, RsNativeWindow);
83     void (*swap)(const Context *);
84 
85     void (*shutdownDriver)(Context *);
86     void (*getVersion)(unsigned int *major, unsigned int *minor);
87     void (*setPriority)(const Context *, int32_t priority);
88 
89 
90 
91     struct {
92         bool (*init)(const Context *rsc, ScriptC *s,
93                      char const *resName,
94                      char const *cacheDir,
95                      uint8_t const *bitcode,
96                      size_t bitcodeSize,
97                      uint32_t flags);
98         bool (*initIntrinsic)(const Context *rsc, Script *s,
99                               RsScriptIntrinsicID iid,
100                               Element *e);
101 
102         void (*invokeFunction)(const Context *rsc, Script *s,
103                                uint32_t slot,
104                                const void *params,
105                                size_t paramLength);
106         int (*invokeRoot)(const Context *rsc, Script *s);
107         void (*invokeForEach)(const Context *rsc,
108                               Script *s,
109                               uint32_t slot,
110                               const Allocation * ain,
111                               Allocation * aout,
112                               const void * usr,
113                               uint32_t usrLen,
114                               const RsScriptCall *sc);
115         void (*invokeInit)(const Context *rsc, Script *s);
116         void (*invokeFreeChildren)(const Context *rsc, Script *s);
117 
118         void (*setGlobalVar)(const Context *rsc, const Script *s,
119                              uint32_t slot,
120                              void *data,
121                              size_t dataLength);
122         void (*setGlobalVarWithElemDims)(const Context *rsc, const Script *s,
123                                          uint32_t slot,
124                                          void *data,
125                                          size_t dataLength,
126                                          const Element *e,
127                                          const size_t *dims,
128                                          size_t dimLength);
129         void (*setGlobalBind)(const Context *rsc, const Script *s,
130                               uint32_t slot,
131                               Allocation *data);
132         void (*setGlobalObj)(const Context *rsc, const Script *s,
133                              uint32_t slot,
134                              ObjectBase *data);
135 
136         void (*destroy)(const Context *rsc, Script *s);
137     } script;
138 
139     struct {
140         bool (*init)(const Context *rsc, Allocation *alloc, bool forceZero);
141         void (*destroy)(const Context *rsc, Allocation *alloc);
142 
143         void (*resize)(const Context *rsc, const Allocation *alloc, const Type *newType,
144                        bool zeroNew);
145         void (*syncAll)(const Context *rsc, const Allocation *alloc, RsAllocationUsageType src);
146         void (*markDirty)(const Context *rsc, const Allocation *alloc);
147 
148         int32_t (*initSurfaceTexture)(const Context *rsc, const Allocation *alloc);
149         void (*setSurfaceTexture)(const Context *rsc, Allocation *alloc, ANativeWindow *sur);
150         void (*ioSend)(const Context *rsc, Allocation *alloc);
151         void (*ioReceive)(const Context *rsc, Allocation *alloc);
152 
153         void (*data1D)(const Context *rsc, const Allocation *alloc,
154                        uint32_t xoff, uint32_t lod, uint32_t count,
155                        const void *data, size_t sizeBytes);
156         void (*data2D)(const Context *rsc, const Allocation *alloc,
157                        uint32_t xoff, uint32_t yoff, uint32_t lod,
158                        RsAllocationCubemapFace face, uint32_t w, uint32_t h,
159                        const void *data, size_t sizeBytes);
160         void (*data3D)(const Context *rsc, const Allocation *alloc,
161                        uint32_t xoff, uint32_t yoff, uint32_t zoff,
162                        uint32_t lod, RsAllocationCubemapFace face,
163                        uint32_t w, uint32_t h, uint32_t d, const void *data, size_t sizeBytes);
164 
165         void (*read1D)(const Context *rsc, const Allocation *alloc,
166                        uint32_t xoff, uint32_t lod, uint32_t count,
167                        void *data, size_t sizeBytes);
168         void (*read2D)(const Context *rsc, const Allocation *alloc,
169                        uint32_t xoff, uint32_t yoff, uint32_t lod,
170                        RsAllocationCubemapFace face, uint32_t w, uint32_t h,
171                        void *data, size_t sizeBytes);
172         void (*read3D)(const Context *rsc, const Allocation *alloc,
173                        uint32_t xoff, uint32_t yoff, uint32_t zoff,
174                        uint32_t lod, RsAllocationCubemapFace face,
175                        uint32_t w, uint32_t h, uint32_t d, void *data, size_t sizeBytes);
176 
177         // Lock and unlock make a 1D region of memory available to the CPU
178         // for direct access by pointer.  Once unlock is called control is
179         // returned to the SOC driver.
180         void * (*lock1D)(const Context *rsc, const Allocation *alloc);
181         void (*unlock1D)(const Context *rsc, const Allocation *alloc);
182 
183         // Allocation to allocation copies
184         void (*allocData1D)(const Context *rsc,
185                             const Allocation *dstAlloc,
186                             uint32_t dstXoff, uint32_t dstLod, uint32_t count,
187                             const Allocation *srcAlloc, uint32_t srcXoff, uint32_t srcLod);
188         void (*allocData2D)(const Context *rsc,
189                             const Allocation *dstAlloc,
190                             uint32_t dstXoff, uint32_t dstYoff, uint32_t dstLod,
191                             RsAllocationCubemapFace dstFace, uint32_t w, uint32_t h,
192                             const Allocation *srcAlloc,
193                             uint32_t srcXoff, uint32_t srcYoff, uint32_t srcLod,
194                             RsAllocationCubemapFace srcFace);
195         void (*allocData3D)(const Context *rsc,
196                             const Allocation *dstAlloc,
197                             uint32_t dstXoff, uint32_t dstYoff, uint32_t dstZoff,
198                             uint32_t dstLod, RsAllocationCubemapFace dstFace,
199                             uint32_t w, uint32_t h, uint32_t d,
200                             const Allocation *srcAlloc,
201                             uint32_t srcXoff, uint32_t srcYoff, uint32_t srcZoff,
202                             uint32_t srcLod, RsAllocationCubemapFace srcFace);
203 
204         void (*elementData1D)(const Context *rsc, const Allocation *alloc, uint32_t x,
205                               const void *data, uint32_t elementOff, size_t sizeBytes);
206         void (*elementData2D)(const Context *rsc, const Allocation *alloc, uint32_t x, uint32_t y,
207                               const void *data, uint32_t elementOff, size_t sizeBytes);
208 
209         void (*generateMipmaps)(const Context *rsc, const Allocation *alloc);
210     } allocation;
211 
212     struct {
213         bool (*init)(const Context *rsc, const ProgramStore *ps);
214         void (*setActive)(const Context *rsc, const ProgramStore *ps);
215         void (*destroy)(const Context *rsc, const ProgramStore *ps);
216     } store;
217 
218     struct {
219         bool (*init)(const Context *rsc, const ProgramRaster *ps);
220         void (*setActive)(const Context *rsc, const ProgramRaster *ps);
221         void (*destroy)(const Context *rsc, const ProgramRaster *ps);
222     } raster;
223 
224     struct {
225         bool (*init)(const Context *rsc, const ProgramVertex *pv,
226                      const char* shader, size_t shaderLen,
227                      const char** textureNames, size_t textureNamesCount,
228                      const size_t *textureNamesLength);
229         void (*setActive)(const Context *rsc, const ProgramVertex *pv);
230         void (*destroy)(const Context *rsc, const ProgramVertex *pv);
231     } vertex;
232 
233     struct {
234         bool (*init)(const Context *rsc, const ProgramFragment *pf,
235                      const char* shader, size_t shaderLen,
236                      const char** textureNames, size_t textureNamesCount,
237                      const size_t *textureNamesLength);
238         void (*setActive)(const Context *rsc, const ProgramFragment *pf);
239         void (*destroy)(const Context *rsc, const ProgramFragment *pf);
240     } fragment;
241 
242     struct {
243         bool (*init)(const Context *rsc, const Mesh *m);
244         void (*draw)(const Context *rsc, const Mesh *m, uint32_t primIndex, uint32_t start, uint32_t len);
245         void (*destroy)(const Context *rsc, const Mesh *m);
246     } mesh;
247 
248     struct {
249         bool (*initStatic)(const Context *rsc, const Path *m, const Allocation *vtx, const Allocation *loops);
250         bool (*initDynamic)(const Context *rsc, const Path *m);
251         void (*draw)(const Context *rsc, const Path *m);
252         void (*destroy)(const Context *rsc, const Path *m);
253     } path;
254 
255     struct {
256         bool (*init)(const Context *rsc, const Sampler *m);
257         void (*destroy)(const Context *rsc, const Sampler *m);
258     } sampler;
259 
260     struct {
261         bool (*init)(const Context *rsc, const FBOCache *fb);
262         void (*setActive)(const Context *rsc, const FBOCache *fb);
263         void (*destroy)(const Context *rsc, const FBOCache *fb);
264     } framebuffer;
265 
266     struct {
267         bool (*init)(const Context *rsc, const ScriptGroup *sg);
268         void (*setInput)(const Context *rsc, const ScriptGroup *sg,
269                          const ScriptKernelID *kid, Allocation *);
270         void (*setOutput)(const Context *rsc, const ScriptGroup *sg,
271                           const ScriptKernelID *kid, Allocation *);
272         void (*execute)(const Context *rsc, const ScriptGroup *sg);
273         void (*destroy)(const Context *rsc, const ScriptGroup *sg);
274     } scriptgroup;
275 
276 } RsdHalFunctions;
277 
278 
279 }
280 }
281 
282 #ifdef __cplusplus
283 extern "C" {
284 #endif
285 
286 bool rsdHalInit(RsContext, uint32_t version_major, uint32_t version_minor);
287 
288 #ifdef __cplusplus
289 }
290 #endif
291 
292 #endif
293 
294