Home | History | Annotate | Download | only in rs
      1 /*
      2  * Copyright (C) 2009 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 "rsContext.h"
     18 #include "rsScriptC.h"
     19 #include "rsMatrix4x4.h"
     20 #include "rsMatrix3x3.h"
     21 #include "rsMatrix2x2.h"
     22 
     23 #include "utils/Timers.h"
     24 
     25 #include <time.h>
     26 
     27 using namespace android;
     28 using namespace android::renderscript;
     29 
     30 
     31 namespace android {
     32 namespace renderscript {
     33 
     34 
     35 //////////////////////////////////////////////////////////////////////////////
     36 // Math routines
     37 //////////////////////////////////////////////////////////////////////////////
     38 
     39 #if 0
     40 static float SC_sinf_fast(float x) {
     41     const float A =   1.0f / (2.0f * M_PI);
     42     const float B = -16.0f;
     43     const float C =   8.0f;
     44 
     45     // scale angle for easy argument reduction
     46     x *= A;
     47 
     48     if (fabsf(x) >= 0.5f) {
     49         // argument reduction
     50         x = x - ceilf(x + 0.5f) + 1.0f;
     51     }
     52 
     53     const float y = B * x * fabsf(x) + C * x;
     54     return 0.2215f * (y * fabsf(y) - y) + y;
     55 }
     56 
     57 static float SC_cosf_fast(float x) {
     58     x += float(M_PI / 2);
     59 
     60     const float A =   1.0f / (2.0f * M_PI);
     61     const float B = -16.0f;
     62     const float C =   8.0f;
     63 
     64     // scale angle for easy argument reduction
     65     x *= A;
     66 
     67     if (fabsf(x) >= 0.5f) {
     68         // argument reduction
     69         x = x - ceilf(x + 0.5f) + 1.0f;
     70     }
     71 
     72     const float y = B * x * fabsf(x) + C * x;
     73     return 0.2215f * (y * fabsf(y) - y) + y;
     74 }
     75 #endif
     76 
     77 //////////////////////////////////////////////////////////////////////////////
     78 // Time routines
     79 //////////////////////////////////////////////////////////////////////////////
     80 
     81 time_t rsrTime(Context *rsc, Script *sc, time_t *timer) {
     82     return time(timer);
     83 }
     84 
     85 tm* rsrLocalTime(Context *rsc, Script *sc, tm *local, time_t *timer) {
     86     if (!local) {
     87       return NULL;
     88     }
     89 
     90     // The native localtime function is not thread-safe, so we
     91     // have to apply locking for proper behavior in RenderScript.
     92     pthread_mutex_lock(&rsc->gLibMutex);
     93     tm *tmp = localtime(timer);
     94     memcpy(local, tmp, sizeof(*tmp));
     95     pthread_mutex_unlock(&rsc->gLibMutex);
     96     return local;
     97 }
     98 
     99 int64_t rsrUptimeMillis(Context *rsc, Script *sc) {
    100     return nanoseconds_to_milliseconds(systemTime(SYSTEM_TIME_MONOTONIC));
    101 }
    102 
    103 int64_t rsrUptimeNanos(Context *rsc, Script *sc) {
    104     return systemTime(SYSTEM_TIME_MONOTONIC);
    105 }
    106 
    107 float rsrGetDt(Context *rsc, Script *sc) {
    108     int64_t l = sc->mEnviroment.mLastDtTime;
    109     sc->mEnviroment.mLastDtTime = systemTime(SYSTEM_TIME_MONOTONIC);
    110     return ((float)(sc->mEnviroment.mLastDtTime - l)) / 1.0e9;
    111 }
    112 
    113 //////////////////////////////////////////////////////////////////////////////
    114 //
    115 //////////////////////////////////////////////////////////////////////////////
    116 
    117 void rsrSetObject(const Context *rsc, const Script *sc, ObjectBase **dst, ObjectBase * src) {
    118     //LOGE("rsiSetObject  %p,%p  %p", vdst, *vdst, vsrc);
    119     if (src) {
    120         CHECK_OBJ(src);
    121         src->incSysRef();
    122     }
    123     if (dst[0]) {
    124         CHECK_OBJ(dst[0]);
    125         dst[0]->decSysRef();
    126     }
    127     *dst = src;
    128 }
    129 
    130 void rsrClearObject(const Context *rsc, const Script *sc, ObjectBase **dst) {
    131     //LOGE("rsiClearObject  %p,%p", vdst, *vdst);
    132     if (dst[0]) {
    133         CHECK_OBJ(dst[0]);
    134         dst[0]->decSysRef();
    135     }
    136     *dst = NULL;
    137 }
    138 
    139 bool rsrIsObject(const Context *rsc, const Script *sc, const ObjectBase *src) {
    140     return src != NULL;
    141 }
    142 
    143 
    144 uint32_t rsrToClient(Context *rsc, Script *sc, int cmdID, void *data, int len) {
    145     //LOGE("SC_toClient %i %i %i", cmdID, len);
    146     return rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, cmdID, len, false);
    147 }
    148 
    149 uint32_t rsrToClientBlocking(Context *rsc, Script *sc, int cmdID, void *data, int len) {
    150     //LOGE("SC_toClientBlocking %i %i", cmdID, len);
    151     return rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, cmdID, len, true);
    152 }
    153 
    154 
    155 void rsrForEach(Context *rsc, Script *sc,
    156                 Script *target,
    157                 Allocation *in, Allocation *out,
    158                 const void *usr, uint32_t usrBytes,
    159                 const RsScriptCall *call) {
    160     target->runForEach(rsc, in, out, usr, usrBytes, call);
    161 }
    162 
    163 void rsrAllocationSyncAll(Context *rsc, Script *sc, Allocation *a, RsAllocationUsageType usage) {
    164     a->syncAll(rsc, usage);
    165 }
    166 
    167 void rsrAllocationCopy1DRange(Context *rsc, Allocation *dstAlloc,
    168                               uint32_t dstOff,
    169                               uint32_t dstMip,
    170                               uint32_t count,
    171                               Allocation *srcAlloc,
    172                               uint32_t srcOff, uint32_t srcMip) {
    173     rsi_AllocationCopy2DRange(rsc, dstAlloc, dstOff, 0,
    174                               dstMip, 0, count, 1,
    175                               srcAlloc, srcOff, 0, srcMip, 0);
    176 }
    177 
    178 void rsrAllocationCopy2DRange(Context *rsc, Allocation *dstAlloc,
    179                               uint32_t dstXoff, uint32_t dstYoff,
    180                               uint32_t dstMip, uint32_t dstFace,
    181                               uint32_t width, uint32_t height,
    182                               Allocation *srcAlloc,
    183                               uint32_t srcXoff, uint32_t srcYoff,
    184                               uint32_t srcMip, uint32_t srcFace) {
    185     rsi_AllocationCopy2DRange(rsc, dstAlloc, dstXoff, dstYoff,
    186                               dstMip, dstFace, width, height,
    187                               srcAlloc, srcXoff, srcYoff, srcMip, srcFace);
    188 }
    189 
    190 const Allocation * rsrGetAllocation(Context *rsc, Script *s, const void *ptr) {
    191     ScriptC *sc = (ScriptC *)s;
    192     return sc->ptrToAllocation(ptr);
    193 }
    194 
    195 }
    196 }
    197 
    198