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 "rsAnimation.h"
     19 
     20 
     21 namespace android {
     22 namespace renderscript {
     23 
     24 void Animation::serialize(Context *rsc, OStream *stream) const {
     25 }
     26 
     27 Animation *Animation::createFromStream(Context *rsc, IStream *stream) {
     28     return nullptr;
     29 }
     30 
     31 /*
     32 Animation::Animation(Context *rsc) : ObjectBase(rsc)
     33 {
     34     mAllocFile = __FILE__;
     35     mAllocLine = __LINE__;
     36 
     37     mValuesInput = nullptr;
     38     mValuesOutput = nullptr;
     39     mValueCount = 0;
     40     mInterpolation = RS_ANIMATION_INTERPOLATION_STEP;
     41     mEdgePre = RS_ANIMATION_EDGE_UNDEFINED;
     42     mEdgePost = RS_ANIMATION_EDGE_UNDEFINED;
     43     mInputMin = 0;
     44     mInputMax = 0;
     45 }
     46 
     47 Animation * Animation::create(Context *rsc,
     48                               const float *inValues, const float *outValues,
     49                               uint32_t valueCount, RsAnimationInterpolation interp,
     50                               RsAnimationEdge pre, RsAnimationEdge post)
     51 {
     52     if (valueCount < 2) {
     53         rsc->setError(RS_ERROR_BAD_VALUE, "Animations require more than 2 values.");
     54         return nullptr;
     55     }
     56     Animation *a = new Animation(rsc);
     57     if (!a) {
     58         rsc->setError(RS_ERROR_OUT_OF_MEMORY);
     59         return nullptr;
     60     }
     61 
     62     float *vin = (float *)malloc(valueCount * sizeof(float));
     63     float *vout = (float *)malloc(valueCount * sizeof(float));
     64     a->mValuesInput = vin;
     65     a->mValuesOutput = vout;
     66     if (a->mValuesInput == nullptr || a->mValuesOutput == nullptr) {
     67         delete a;
     68         rsc->setError(RS_ERROR_OUT_OF_MEMORY);
     69         return nullptr;
     70     }
     71 
     72     a->mEdgePre = pre;
     73     a->mEdgePost = post;
     74     a->mInterpolation = interp;
     75     a->mValueCount = valueCount;
     76 
     77     memcpy(vin, inValues, valueCount * sizeof(float));
     78     memcpy(vout, outValues, valueCount * sizeof(float));
     79     a->mInputMin = inValues[0];
     80     a->mInputMax = inValues[0];
     81 
     82     bool needSort = false;
     83     for (uint32_t ct=1; ct < valueCount; ct++) {
     84         if (a->mInputMin > vin[ct]) {
     85             needSort = true;
     86             a->mInputMin = vin[ct];
     87         }
     88         if (a->mInputMax < vin[ct]) {
     89             a->mInputMax = vin[ct];
     90         } else {
     91             needSort = true;
     92         }
     93     }
     94 
     95     while (1) {
     96         bool changed = false;
     97         for (uint32_t ct=1; ct < valueCount; ct++) {
     98             if (vin[ct-1] > vin[ct]) {
     99                 float t = vin[ct-1];
    100                 vin[ct-1] = vin[ct];
    101                 vin[ct] = t;
    102                 t = vout[ct-1];
    103                 vout[ct-1] = vout[ct];
    104                 vout[ct] = t;
    105                 changed = true;
    106             }
    107         }
    108         if (!changed) break;
    109     }
    110 
    111     return a;
    112 }
    113 */
    114 
    115 
    116 /////////////////////////////////////////
    117 //
    118 
    119 RsAnimation rsi_AnimationCreate(Context *rsc,
    120                                 const float *inValues,
    121                                 const float *outValues,
    122                                 uint32_t valueCount,
    123                                 RsAnimationInterpolation interp,
    124                                 RsAnimationEdge pre,
    125                                 RsAnimationEdge post) {
    126     //ALOGE("rsi_ElementCreate %i %i %i %i", dt, dk, norm, vecSize);
    127     Animation *a = nullptr;//Animation::create(rsc, inValues, outValues, valueCount, interp, pre, post);
    128     if (a != nullptr) {
    129         a->incUserRef();
    130     }
    131     return (RsAnimation)a;
    132 }
    133 } // namespace renderscript
    134 } // namespace android
    135