util.cpp revision 8451b25a4422656bbd6657a5855e69c0f4d53c74
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ** Copyright 2007, The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ** 4106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich ** Licensed under the Apache License, Version 2.0 (the "License"); 5106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich ** you may not use this file except in compliance with the License. 6106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich ** You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ** 8106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich ** http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ** 10106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich ** Unless required by applicable law or agreed to in writing, software 11106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich ** distributed under the License is distributed on an "AS IS" BASIS, 12106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich ** See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ** limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 178451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes#include "jni.h" 188451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes#include "JNIHelp.h" 198451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <math.h> 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdio.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdlib.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <string.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <assert.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dlfcn.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <GLES/gl.h> 28a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich#include <ETC1/etc1.h> 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <core/SkBitmap.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_runtime/AndroidRuntime.h" 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#undef LOG_TAG 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "OpenGLUtil" 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "utils/misc.h" 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "poly.h" 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic inline 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid mx4transform(float x, float y, float z, float w, const float* pM, float* pDest) { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pDest[0] = pM[0 + 4 * 0] * x + pM[0 + 4 * 1] * y + pM[0 + 4 * 2] * z + pM[0 + 4 * 3] * w; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pDest[1] = pM[1 + 4 * 0] * x + pM[1 + 4 * 1] * y + pM[1 + 4 * 2] * z + pM[1 + 4 * 3] * w; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pDest[2] = pM[2 + 4 * 0] * x + pM[2 + 4 * 1] * y + pM[2 + 4 * 2] * z + pM[2 + 4 * 3] * w; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pDest[3] = pM[3 + 4 * 0] * x + pM[3 + 4 * 1] * y + pM[3 + 4 * 2] * z + pM[3 + 4 * 3] * w; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass MallocHelper { 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic: 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MallocHelper() { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mData = 0; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 56106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ~MallocHelper() { 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mData != 0) { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(mData); 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 62106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* alloc(size_t size) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mData = malloc(size); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mData; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 67106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprivate: 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* mData; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if 0 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprint_poly(const char* label, Poly* pPoly) { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGI("%s: %d verts", label, pPoly->n); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for(int i = 0; i < pPoly->n; i++) { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Poly_vert* pV = & pPoly->vert[i]; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGI("[%d] %g, %g, %g %g", i, pV->sx, pV->sy, pV->sz, pV->sw); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint visibilityTest(float* pWS, float* pPositions, int positionsLength, 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unsigned short* pIndices, int indexCount) { 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MallocHelper mallocHelper; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int result = POLY_CLIP_OUT; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float* pTransformed = 0; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int transformedIndexCount = 0; 91106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( indexCount < 3 ) { 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return POLY_CLIP_OUT; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 95106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Find out how many vertices we need to transform 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We transform every vertex between the min and max indices, inclusive. 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is OK for the data sets we expect to use with this function, but 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // for other loads it might be better to use a more sophisticated vertex 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // cache of some sort. 101106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int minIndex = 65536; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int maxIndex = -1; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for(int i = 0; i < indexCount; i++) { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index = pIndices[i]; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( index < minIndex ) { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project minIndex = index; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( index > maxIndex ) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project maxIndex = index; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 113106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( maxIndex * 3 > positionsLength) { 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 117106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project transformedIndexCount = maxIndex - minIndex + 1; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pTransformed = (float*) mallocHelper.alloc(transformedIndexCount * 4 * sizeof(float)); 120106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pTransformed == 0 ) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -2; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 124106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Transform the vertices 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const float* pSrc = pPositions + 3 * minIndex; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float* pDst = pTransformed; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < transformedIndexCount; i++, pSrc += 3, pDst += 4) { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mx4transform(pSrc[0], pSrc[1], pSrc[2], 1.0f, pWS, pDst); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 133106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Clip the triangles 135106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Poly poly; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float* pDest = & poly.vert[0].sx; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < indexCount; i += 3) { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project poly.n = 3; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(pDest , pTransformed + 4 * (pIndices[i ] - minIndex), 4 * sizeof(float)); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(pDest + 4, pTransformed + 4 * (pIndices[i + 1] - minIndex), 4 * sizeof(float)); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(pDest + 8, pTransformed + 4 * (pIndices[i + 2] - minIndex), 4 * sizeof(float)); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = poly_clip_to_frustum(&poly); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( result != POLY_CLIP_OUT) { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1528451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughesstatic void doThrowIAE(JNIEnv* env, const char* msg) { 1538451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes jniThrowException(env, "java/lang/IllegalArgumentException", msg); 1548451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes} 1558451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecttemplate<class JArray, class T> 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass ArrayHelper { 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic: 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayHelper(JNIEnv* env, JArray ref, jint offset, jint minSize) { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEnv = env; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRef = ref; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOffset = offset; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMinSize = minSize; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBase = 0; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReleaseParam = JNI_ABORT; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ~ArrayHelper() { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mBase) { 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEnv->ReleasePrimitiveArrayCritical(mRef, mBase, mReleaseParam); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 173106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We seperate the bounds check from the initialization because we want to 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be able to bounds-check multiple arrays, and we can't throw an exception 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // after we've called GetPrimitiveArrayCritical. 177106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return true if the bounds check succeeded 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Else instruct the runtime to throw an exception 180106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool check() { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( ! mRef) { 1838451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(mEnv, "array == null"); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( mOffset < 0) { 1878451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(mEnv, "offset < 0"); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLength = mEnv->GetArrayLength(mRef) - mOffset; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLength < mMinSize ) { 1928451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(mEnv, "length - offset < n"); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 197106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Bind the array. 199106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void bind() { 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBase = (T*) mEnv->GetPrimitiveArrayCritical(mRef, (jboolean *) 0); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mData = mBase + mOffset; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void commitChanges() { 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReleaseParam = 0; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 208106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project T* mData; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLength; 211106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprivate: 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project T* mBase; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* mEnv; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JArray mRef; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint mOffset; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint mMinSize; 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReleaseParam; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecttypedef ArrayHelper<jfloatArray, float> FloatArrayHelper; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecttypedef ArrayHelper<jcharArray, unsigned short> UnsignedShortArrayHelper; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecttypedef ArrayHelper<jintArray, int> IntArrayHelper; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecttypedef ArrayHelper<jbyteArray, unsigned char> ByteArrayHelper; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectinline float distance2(float x, float y, float z) { 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return x * x + y * y + z * z; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectinline float distance(float x, float y, float z) { 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sqrtf(distance2(x, y, z)); 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 233106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid util_computeBoundingSphere(JNIEnv *env, jclass clazz, 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray positions_ref, jint positionsOffset, jint positionsCount, 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray sphere_ref, jint sphereOffset) { 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper positions(env, positions_ref, positionsOffset, 0); 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper sphere(env, sphere_ref, sphereOffset, 4); 240106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool checkOK = positions.check() && sphere.check(); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (! checkOK) { 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 245106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positions.bind(); 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sphere.bind(); 248106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( positionsCount < 1 ) { 2508451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "positionsCount < 1"); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 253106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const float* pSrc = positions.mData; 255106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // find bounding box 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x0 = *pSrc++; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x1 = x0; 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y0 = *pSrc++; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y1 = y0; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float z0 = *pSrc++; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float z1 = z0; 263106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for(int i = 1; i < positionsCount; i++) { 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x = *pSrc++; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (x < x0) { 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project x0 = x; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (x > x1) { 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project x1 = x; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y = *pSrc++; 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (y < y0) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y0 = y; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (y > y1) { 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project y1 = y; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float z = *pSrc++; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (z < z0) { 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project z0 = z; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else if (z > z1) { 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project z1 = z; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 293106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Because we know our input meshes fit pretty well into bounding boxes, 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // just take the diagonal of the box as defining our sphere. 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float* pSphere = sphere.mData; 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dx = x1 - x0; 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dy = y1 - y0; 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float dz = z1 - z0; 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *pSphere++ = x0 + dx * 0.5f; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *pSphere++ = y0 + dy * 0.5f; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *pSphere++ = z0 + dz * 0.5f; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *pSphere++ = distance(dx, dy, dz) * 0.5f; 304106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sphere.commitChanges(); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void normalizePlane(float* p) { 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float rdist = 1.0f / distance(p[0], p[1], p[2]); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for(int i = 0; i < 4; i++) { 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p[i] *= rdist; 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic inline float dot3(float x0, float y0, float z0, float x1, float y1, float z1) { 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return x0 * x1 + y0 * y1 + z0 * z1; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic inline float signedDistance(const float* pPlane, float x, float y, float z) { 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return dot3(pPlane[0], pPlane[1], pPlane[2], x, y, z) + pPlane[3]; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Return true if the sphere intersects or is inside the frustum 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic bool sphereHitsFrustum(const float* pFrustum, const float* pSphere) { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float x = pSphere[0]; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float y = pSphere[1]; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float z = pSphere[2]; 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float negRadius = -pSphere[3]; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < 6; i++, pFrustum += 4) { 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (signedDistance(pFrustum, x, y, z) <= negRadius) { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void computeFrustum(const float* m, float* f) { 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float m3 = m[3]; 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float m7 = m[7]; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float m11 = m[11]; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float m15 = m[15]; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // right 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[0] = m3 - m[0]; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[1] = m7 - m[4]; 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[2] = m11 - m[8]; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[3] = m15 - m[12]; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project normalizePlane(f); 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f+= 4; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 351106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich // left 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[0] = m3 + m[0]; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[1] = m7 + m[4]; 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[2] = m11 + m[8]; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[3] = m15 + m[12]; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project normalizePlane(f); 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f+= 4; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // top 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[0] = m3 - m[1]; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[1] = m7 - m[5]; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[2] = m11 - m[9]; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[3] = m15 - m[13]; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project normalizePlane(f); 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f+= 4; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // bottom 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[0] = m3 + m[1]; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[1] = m7 + m[5]; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[2] = m11 + m[9]; 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[3] = m15 + m[13]; 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project normalizePlane(f); 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f+= 4; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // far 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[0] = m3 - m[2]; 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[1] = m7 - m[6]; 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[2] = m11 - m[10]; 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[3] = m15 - m[14]; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project normalizePlane(f); 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f+= 4; 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // near 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[0] = m3 + m[2]; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[1] = m7 + m[6]; 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[2] = m11 + m[10]; 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project f[3] = m15 + m[14]; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project normalizePlane(f); 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint util_frustumCullSpheres(JNIEnv *env, jclass clazz, 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray mvp_ref, jint mvpOffset, 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray spheres_ref, jint spheresOffset, jint spheresCount, 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jintArray results_ref, jint resultsOffset, jint resultsCapacity) { 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float frustum[6*4]; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int outputCount; 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int* pResults; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float* pSphere; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper mvp(env, mvp_ref, mvpOffset, 16); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper spheres(env, spheres_ref, spheresOffset, spheresCount * 4); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IntArrayHelper results(env, results_ref, resultsOffset, resultsCapacity); 403106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool initializedOK = mvp.check() && spheres.check() && results.check(); 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (! initializedOK) { 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 408106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mvp.bind(); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project spheres.bind(); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.bind(); 412106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeFrustum(mvp.mData, frustum); 414106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Cull the spheres 416106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pSphere = spheres.mData; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pResults = results.mData; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outputCount = 0; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for(int i = 0; i < spheresCount; i++, pSphere += 4) { 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sphereHitsFrustum(frustum, pSphere)) { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (outputCount < resultsCapacity) { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *pResults++ = i; 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project outputCount++; 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.commitChanges(); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return outputCount; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int visibilityTest(float[] ws, int wsOffset, 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float[] positions, int positionsOffset, 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char[] indices, int indicesOffset, int indexCount); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint util_visibilityTest(JNIEnv *env, jclass clazz, 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray ws_ref, jint wsOffset, 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray positions_ref, jint positionsOffset, 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jcharArray indices_ref, jint indicesOffset, jint indexCount) { 443106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper ws(env, ws_ref, wsOffset, 16); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper positions(env, positions_ref, positionsOffset, 0); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project UnsignedShortArrayHelper indices(env, indices_ref, indicesOffset, 0); 447106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool checkOK = ws.check() && positions.check() && indices.check(); 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (! checkOK) { 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Return value will be ignored, because an exception has been thrown. 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 453106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (indices.mLength < indexCount) { 4558451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "length < offset + indexCount"); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 458106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ws.bind(); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positions.bind(); 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project indices.bind(); 462106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return visibilityTest(ws.mData, 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positions.mData, positions.mLength, 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project indices.mData, indexCount); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define I(_i, _j) ((_j)+ 4*(_i)) 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid multiplyMM(float* r, const float* lhs, const float* rhs) 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0 ; i<4 ; i++) { 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project register const float rhs_i0 = rhs[ I(i,0) ]; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project register float ri0 = lhs[ I(0,0) ] * rhs_i0; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project register float ri1 = lhs[ I(0,1) ] * rhs_i0; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project register float ri2 = lhs[ I(0,2) ] * rhs_i0; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project register float ri3 = lhs[ I(0,3) ] * rhs_i0; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int j=1 ; j<4 ; j++) { 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project register const float rhs_ij = rhs[ I(i,j) ]; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ri0 += lhs[ I(j,0) ] * rhs_ij; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ri1 += lhs[ I(j,1) ] * rhs_ij; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ri2 += lhs[ I(j,2) ] * rhs_ij; 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ri3 += lhs[ I(j,3) ] * rhs_ij; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r[ I(i,0) ] = ri0; 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r[ I(i,1) ] = ri1; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r[ I(i,2) ] = ri2; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project r[ I(i,3) ] = ri3; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid util_multiplyMM(JNIEnv *env, jclass clazz, 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray result_ref, jint resultOffset, 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray lhs_ref, jint lhsOffset, 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray rhs_ref, jint rhsOffset) { 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper resultMat(env, result_ref, resultOffset, 16); 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper lhs(env, lhs_ref, lhsOffset, 16); 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper rhs(env, rhs_ref, rhsOffset, 16); 502106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool checkOK = resultMat.check() && lhs.check() && rhs.check(); 504106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( !checkOK ) { 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 508106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMat.bind(); 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lhs.bind(); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rhs.bind(); 512106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project multiplyMM(resultMat.mData, lhs.mData, rhs.mData); 514106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultMat.commitChanges(); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid multiplyMV(float* r, const float* lhs, const float* rhs) 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mx4transform(rhs[0], rhs[1], rhs[2], rhs[3], lhs, r); 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid util_multiplyMV(JNIEnv *env, jclass clazz, 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray result_ref, jint resultOffset, 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray lhs_ref, jint lhsOffset, 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jfloatArray rhs_ref, jint rhsOffset) { 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper resultV(env, result_ref, resultOffset, 4); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper lhs(env, lhs_ref, lhsOffset, 16); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FloatArrayHelper rhs(env, rhs_ref, rhsOffset, 4); 533106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool checkOK = resultV.check() && lhs.check() && rhs.check(); 535106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( !checkOK ) { 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 539106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultV.bind(); 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lhs.bind(); 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rhs.bind(); 543106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project multiplyMV(resultV.mData, lhs.mData, rhs.mData); 545106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resultV.commitChanges(); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jfieldID nativeBitmapID = 0; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid nativeUtilsClassInit(JNIEnv *env, jclass clazz) 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass bitmapClass = env->FindClass("android/graphics/Bitmap"); 556106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich nativeBitmapID = env->GetFieldID(bitmapClass, "mNativeBitmap", "I"); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int checkFormat(SkBitmap::Config config, int format, int type) 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(config) { 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kIndex8_Config: 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == GL_PALETTE8_RGBA8_OES) 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kARGB_8888_Config: 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kA8_Config: 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (type == GL_UNSIGNED_BYTE) 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kARGB_4444_Config: 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kRGB_565_Config: 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (type) { 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case GL_UNSIGNED_SHORT_4_4_4_4: 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case GL_UNSIGNED_SHORT_5_6_5: 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case GL_UNSIGNED_SHORT_5_5_5_1: 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case GL_UNSIGNED_BYTE: 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == GL_LUMINANCE_ALPHA) 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int getInternalFormat(SkBitmap::Config config) 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(config) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kA8_Config: 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return GL_ALPHA; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kARGB_4444_Config: 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return GL_RGBA; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kARGB_8888_Config: 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return GL_RGBA; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kIndex8_Config: 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return GL_PALETTE8_RGBA8_OES; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case SkBitmap::kRGB_565_Config: 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return GL_RGB; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 605708c17b4168404042852e480f25a91a02cf14247Jack Palevichstatic int getType(SkBitmap::Config config) 606708c17b4168404042852e480f25a91a02cf14247Jack Palevich{ 607708c17b4168404042852e480f25a91a02cf14247Jack Palevich switch(config) { 608708c17b4168404042852e480f25a91a02cf14247Jack Palevich case SkBitmap::kA8_Config: 609708c17b4168404042852e480f25a91a02cf14247Jack Palevich return GL_UNSIGNED_BYTE; 610708c17b4168404042852e480f25a91a02cf14247Jack Palevich case SkBitmap::kARGB_4444_Config: 611708c17b4168404042852e480f25a91a02cf14247Jack Palevich return GL_UNSIGNED_SHORT_4_4_4_4; 612708c17b4168404042852e480f25a91a02cf14247Jack Palevich case SkBitmap::kARGB_8888_Config: 613708c17b4168404042852e480f25a91a02cf14247Jack Palevich return GL_UNSIGNED_BYTE; 614708c17b4168404042852e480f25a91a02cf14247Jack Palevich case SkBitmap::kIndex8_Config: 615708c17b4168404042852e480f25a91a02cf14247Jack Palevich return -1; // No type for compressed data. 616708c17b4168404042852e480f25a91a02cf14247Jack Palevich case SkBitmap::kRGB_565_Config: 617708c17b4168404042852e480f25a91a02cf14247Jack Palevich return GL_UNSIGNED_SHORT_5_6_5; 618708c17b4168404042852e480f25a91a02cf14247Jack Palevich default: 619708c17b4168404042852e480f25a91a02cf14247Jack Palevich return -1; 620708c17b4168404042852e480f25a91a02cf14247Jack Palevich } 621708c17b4168404042852e480f25a91a02cf14247Jack Palevich} 622708c17b4168404042852e480f25a91a02cf14247Jack Palevich 623708c17b4168404042852e480f25a91a02cf14247Jack Palevichstatic jint util_getInternalFormat(JNIEnv *env, jclass clazz, 624708c17b4168404042852e480f25a91a02cf14247Jack Palevich jobject jbitmap) 625708c17b4168404042852e480f25a91a02cf14247Jack Palevich{ 626708c17b4168404042852e480f25a91a02cf14247Jack Palevich SkBitmap const * nativeBitmap = 627708c17b4168404042852e480f25a91a02cf14247Jack Palevich (SkBitmap const *)env->GetIntField(jbitmap, nativeBitmapID); 628708c17b4168404042852e480f25a91a02cf14247Jack Palevich const SkBitmap& bitmap(*nativeBitmap); 629708c17b4168404042852e480f25a91a02cf14247Jack Palevich SkBitmap::Config config = bitmap.getConfig(); 630708c17b4168404042852e480f25a91a02cf14247Jack Palevich return getInternalFormat(config); 631708c17b4168404042852e480f25a91a02cf14247Jack Palevich} 632708c17b4168404042852e480f25a91a02cf14247Jack Palevich 633708c17b4168404042852e480f25a91a02cf14247Jack Palevichstatic jint util_getType(JNIEnv *env, jclass clazz, 634708c17b4168404042852e480f25a91a02cf14247Jack Palevich jobject jbitmap) 635708c17b4168404042852e480f25a91a02cf14247Jack Palevich{ 636708c17b4168404042852e480f25a91a02cf14247Jack Palevich SkBitmap const * nativeBitmap = 637708c17b4168404042852e480f25a91a02cf14247Jack Palevich (SkBitmap const *)env->GetIntField(jbitmap, nativeBitmapID); 638708c17b4168404042852e480f25a91a02cf14247Jack Palevich const SkBitmap& bitmap(*nativeBitmap); 639708c17b4168404042852e480f25a91a02cf14247Jack Palevich SkBitmap::Config config = bitmap.getConfig(); 640708c17b4168404042852e480f25a91a02cf14247Jack Palevich return getType(config); 641708c17b4168404042852e480f25a91a02cf14247Jack Palevich} 642708c17b4168404042852e480f25a91a02cf14247Jack Palevich 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint util_texImage2D(JNIEnv *env, jclass clazz, 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint target, jint level, jint internalformat, 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject jbitmap, jint type, jint border) 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkBitmap const * nativeBitmap = 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (SkBitmap const *)env->GetIntField(jbitmap, nativeBitmapID); 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const SkBitmap& bitmap(*nativeBitmap); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkBitmap::Config config = bitmap.getConfig(); 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (internalformat < 0) { 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project internalformat = getInternalFormat(config); 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 654708c17b4168404042852e480f25a91a02cf14247Jack Palevich if (type < 0) { 655708c17b4168404042852e480f25a91a02cf14247Jack Palevich type = getType(config); 656708c17b4168404042852e480f25a91a02cf14247Jack Palevich } 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int err = checkFormat(config, internalformat, type); 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err) 659106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich return err; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bitmap.lockPixels(); 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int w = bitmap.width(); 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int h = bitmap.height(); 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const void* p = bitmap.getPixels(); 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (internalformat == GL_PALETTE8_RGBA8_OES) { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sizeof(SkPMColor) != sizeof(uint32_t)) { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = -1; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto error; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t size = bitmap.getSize(); 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t palette_size = 256*sizeof(SkPMColor); 671106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich const size_t imageSize = size + palette_size; 672106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich void* const data = malloc(imageSize); 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (data) { 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* const pixels = (char*)data + palette_size; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkColorTable* ctable = bitmap.getColorTable(); 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(data, ctable->lockColors(), ctable->count() * sizeof(SkPMColor)); 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(pixels, p, size); 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ctable->unlockColors(false); 679106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich glCompressedTexImage2D(target, level, internalformat, w, h, border, imageSize, data); 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project free(data); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = -1; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexImage2D(target, level, internalformat, w, h, border, internalformat, type, p); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecterror: 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bitmap.unlockPixels(); 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return err; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint util_texSubImage2D(JNIEnv *env, jclass clazz, 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint target, jint level, jint xoffset, jint yoffset, 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject jbitmap, jint format, jint type) 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkBitmap const * nativeBitmap = 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (SkBitmap const *)env->GetIntField(jbitmap, nativeBitmapID); 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const SkBitmap& bitmap(*nativeBitmap); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkBitmap::Config config = bitmap.getConfig(); 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format < 0) { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project format = getInternalFormat(config); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == GL_PALETTE8_RGBA8_OES) 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; // glCompressedTexSubImage2D() not supported 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int err = checkFormat(config, format, type); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err) 707106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich return err; 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bitmap.lockPixels(); 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int w = bitmap.width(); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int h = bitmap.height(); 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const void* p = bitmap.getPixels(); 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project glTexSubImage2D(target, level, xoffset, yoffset, w, h, format, type, p); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bitmap.unlockPixels(); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 718a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * ETC1 methods. 719a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 720a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 721a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jclass nioAccessClass; 722a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jclass bufferClass; 723a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jmethodID getBasePointerID; 724a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jmethodID getBaseArrayID; 725a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jmethodID getBaseArrayOffsetID; 726a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jfieldID positionID; 727a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jfieldID limitID; 728a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jfieldID elementSizeShiftID; 729a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 730a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/* Cache method IDs each time the class is loaded. */ 731a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 732a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic void 733a6276fdd4253c3a7150ab675678c750473ab6c45Jack PalevichnativeClassInitBuffer(JNIEnv *_env) 734a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich{ 735a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jclass nioAccessClassLocal = _env->FindClass("java/nio/NIOAccess"); 736a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich nioAccessClass = (jclass) _env->NewGlobalRef(nioAccessClassLocal); 737a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 738a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jclass bufferClassLocal = _env->FindClass("java/nio/Buffer"); 739a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich bufferClass = (jclass) _env->NewGlobalRef(bufferClassLocal); 740a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 741a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich getBasePointerID = _env->GetStaticMethodID(nioAccessClass, 742a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich "getBasePointer", "(Ljava/nio/Buffer;)J"); 743a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich getBaseArrayID = _env->GetStaticMethodID(nioAccessClass, 744a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich "getBaseArray", "(Ljava/nio/Buffer;)Ljava/lang/Object;"); 745a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich getBaseArrayOffsetID = _env->GetStaticMethodID(nioAccessClass, 746a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich "getBaseArrayOffset", "(Ljava/nio/Buffer;)I"); 747a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich positionID = _env->GetFieldID(bufferClass, "position", "I"); 748a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich limitID = _env->GetFieldID(bufferClass, "limit", "I"); 749a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich elementSizeShiftID = 750a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich _env->GetFieldID(bufferClass, "_elementSizeShift", "I"); 751a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 752a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 753a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic void * 754a6276fdd4253c3a7150ab675678c750473ab6c45Jack PalevichgetPointer(JNIEnv *_env, jobject buffer, jint *remaining) 755a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich{ 756a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint position; 757a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint limit; 758a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint elementSizeShift; 759a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jlong pointer; 760a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint offset; 761a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich void *data; 762a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 763a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich position = _env->GetIntField(buffer, positionID); 764a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich limit = _env->GetIntField(buffer, limitID); 765a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID); 766a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich *remaining = (limit - position) << elementSizeShift; 767a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich pointer = _env->CallStaticLongMethod(nioAccessClass, 768a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich getBasePointerID, buffer); 769a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (pointer != 0L) { 770a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return (void *) (jint) pointer; 771a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 772a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return NULL; 773a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 774a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 775a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichclass BufferHelper { 776a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichpublic: 777a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper(JNIEnv *env, jobject buffer) { 778a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich mEnv = env; 779a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich mBuffer = buffer; 780a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich mData = NULL; 781a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich mRemaining = 0; 782a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 783a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 784a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich bool checkPointer(const char* errorMessage) { 785a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (mBuffer) { 786a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich mData = getPointer(mEnv, mBuffer, &mRemaining); 787a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (mData == NULL) { 7888451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(mEnv, errorMessage); 789a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 790a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return mData != NULL; 791a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else { 7928451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(mEnv, errorMessage); 793a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return false; 794a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 795a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 796a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 797a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich inline void* getData() { 798a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return mData; 799a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 800a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 801a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich inline jint remaining() { 802a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return mRemaining; 803a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 804a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 805a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichprivate: 806a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich JNIEnv* mEnv; 807a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jobject mBuffer; 808a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich void* mData; 809a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint mRemaining; 810a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich}; 811a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 812a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/** 813a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * Encode a block of pixels. 814a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * 815a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * @param in a pointer to a ETC1_DECODED_BLOCK_SIZE array of bytes that represent a 816a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * 4 x 4 square of 3-byte pixels in form R, G, B. Byte (3 * (x + 4 * y) is the R 817a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * value of pixel (x, y). 818a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * 819a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * @param validPixelMask is a 16-bit mask where bit (1 << (x + y * 4)) indicates whether 820a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * the corresponding (x,y) pixel is valid. Invalid pixel color values are ignored when compressing. 821a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * 822a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * @param out an ETC1 compressed version of the data. 823a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * 824a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 825a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic void etc1_encodeBlock(JNIEnv *env, jclass clazz, 826a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jobject in, jint validPixelMask, jobject out) { 827a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (validPixelMask < 0 || validPixelMask > 15) { 8288451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "validPixelMask"); 829a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return; 830a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 831a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper inB(env, in); 832a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper outB(env, out); 833a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (inB.checkPointer("in") && outB.checkPointer("out")) { 834a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (inB.remaining() < ETC1_DECODED_BLOCK_SIZE) { 8358451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "in's remaining data < DECODED_BLOCK_SIZE"); 836a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else if (outB.remaining() < ETC1_ENCODED_BLOCK_SIZE) { 8378451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "out's remaining data < ENCODED_BLOCK_SIZE"); 838a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else { 839a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich etc1_encode_block((etc1_byte*) inB.getData(), validPixelMask, 840a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich (etc1_byte*) outB.getData()); 841a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 842a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 843a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 844a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 845a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/** 846a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * Decode a block of pixels. 847a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * 848a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * @param in an ETC1 compressed version of the data. 849a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * 850a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * @param out a pointer to a ETC_DECODED_BLOCK_SIZE array of bytes that represent a 851a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * 4 x 4 square of 3-byte pixels in form R, G, B. Byte (3 * (x + 4 * y) is the R 852a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * value of pixel (x, y). 853a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 854a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic void etc1_decodeBlock(JNIEnv *env, jclass clazz, 855a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jobject in, jobject out){ 856a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper inB(env, in); 857a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper outB(env, out); 858a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (inB.checkPointer("in") && outB.checkPointer("out")) { 859a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (inB.remaining() < ETC1_ENCODED_BLOCK_SIZE) { 8608451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "in's remaining data < ENCODED_BLOCK_SIZE"); 861a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else if (outB.remaining() < ETC1_DECODED_BLOCK_SIZE) { 8628451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "out's remaining data < DECODED_BLOCK_SIZE"); 863a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else { 864a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich etc1_decode_block((etc1_byte*) inB.getData(), 865a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich (etc1_byte*) outB.getData()); 866a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 867a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 868a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 869a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 870a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/** 871a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * Return the size of the encoded image data (does not include size of PKM header). 872a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 873a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jint etc1_getEncodedDataSize(JNIEnv *env, jclass clazz, 874a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint width, jint height) { 875a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return etc1_get_encoded_data_size(width, height); 876a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 877a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 878a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/** 879a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * Encode an entire image. 880a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * @param in pointer to the image data. Formatted such that 881a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * pixel (x,y) is at pIn + pixelSize * x + stride * y + redOffset; 882a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * @param out pointer to encoded data. Must be large enough to store entire encoded image. 883a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 884a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic void etc1_encodeImage(JNIEnv *env, jclass clazz, 885a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jobject in, jint width, jint height, 886a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint pixelSize, jint stride, jobject out) { 887a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (pixelSize < 2 || pixelSize > 3) { 8888451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "pixelSize must be 2 or 3"); 889a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return; 890a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 891a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper inB(env, in); 892a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper outB(env, out); 893a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (inB.checkPointer("in") && outB.checkPointer("out")) { 894a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint imageSize = stride * height; 895a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint encodedImageSize = etc1_get_encoded_data_size(width, height); 896a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (inB.remaining() < imageSize) { 8978451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "in's remaining data < image size"); 898a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else if (outB.remaining() < encodedImageSize) { 8998451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "out's remaining data < encoded image size"); 900a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else { 901a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich int result = etc1_encode_image((etc1_byte*) inB.getData(), 902a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich width, height, pixelSize, 903a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich stride, 904a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich (etc1_byte*) outB.getData()); 905a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 906a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 907a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 908a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 909a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/** 910a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * Decode an entire image. 911a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * @param in the encoded data. 912a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * @param out pointer to the image data. Will be written such that 913a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * pixel (x,y) is at pIn + pixelSize * x + stride * y. Must be 914a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * large enough to store entire image. 915a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 916a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic void etc1_decodeImage(JNIEnv *env, jclass clazz, 917a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jobject in, jobject out, 918a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint width, jint height, 919a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint pixelSize, jint stride) { 920a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (pixelSize < 2 || pixelSize > 3) { 9218451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "pixelSize must be 2 or 3"); 922a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return; 923a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 924a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper inB(env, in); 925a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper outB(env, out); 926a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (inB.checkPointer("in") && outB.checkPointer("out")) { 927a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint imageSize = stride * height; 928a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint encodedImageSize = etc1_get_encoded_data_size(width, height); 929a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (inB.remaining() < encodedImageSize) { 9308451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "in's remaining data < encoded image size"); 931a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else if (outB.remaining() < imageSize) { 9328451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "out's remaining data < image size"); 933a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else { 934a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich int result = etc1_decode_image((etc1_byte*) inB.getData(), 935a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich (etc1_byte*) outB.getData(), 936a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich width, height, pixelSize, 937a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich stride); 938a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 939a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 940a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 941a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 942a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/** 943a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * Format a PKM header 944a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 945a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic void etc1_formatHeader(JNIEnv *env, jclass clazz, 946a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jobject header, jint width, jint height) { 947a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper headerB(env, header); 948a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (headerB.checkPointer("header") ){ 949a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (headerB.remaining() < ETC_PKM_HEADER_SIZE) { 9508451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "header's remaining data < ETC_PKM_HEADER_SIZE"); 951a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else { 952a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich etc1_pkm_format_header((etc1_byte*) headerB.getData(), width, height); 953a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 954a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 955a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 956a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 957a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/** 958a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * Check if a PKM header is correctly formatted. 959a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 960a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jboolean etc1_isValid(JNIEnv *env, jclass clazz, 961a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jobject header) { 962a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jboolean result = false; 963a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper headerB(env, header); 964a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (headerB.checkPointer("header") ){ 965a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (headerB.remaining() < ETC_PKM_HEADER_SIZE) { 9668451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "header's remaining data < ETC_PKM_HEADER_SIZE"); 967a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else { 968a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich result = etc1_pkm_is_valid((etc1_byte*) headerB.getData()); 969a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 970a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 971a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return result; 972a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 973a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 974a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/** 975a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * Read the image width from a PKM header 976a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 977a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic jint etc1_getWidth(JNIEnv *env, jclass clazz, 978a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jobject header) { 979a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint result = 0; 980a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper headerB(env, header); 981a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (headerB.checkPointer("header") ){ 982a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (headerB.remaining() < ETC_PKM_HEADER_SIZE) { 9838451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "header's remaining data < ETC_PKM_HEADER_SIZE"); 984a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else { 985a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich result = etc1_pkm_get_width((etc1_byte*) headerB.getData()); 986a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 987a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 988a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return result; 989a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 990a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 991a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/** 992a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich * Read the image height from a PKM header 993a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich */ 994a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic int etc1_getHeight(JNIEnv *env, jclass clazz, 995a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jobject header) { 996a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich jint result = 0; 997a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich BufferHelper headerB(env, header); 998a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (headerB.checkPointer("header") ){ 999a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich if (headerB.remaining() < ETC_PKM_HEADER_SIZE) { 10008451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env, "header's remaining data < ETC_PKM_HEADER_SIZE"); 1001a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } else { 1002a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich result = etc1_pkm_get_height((etc1_byte*) headerB.getData()); 1003a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 1004a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich } 1005a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich return result; 1006a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich} 1007a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 1008a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich/* 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * JNI registration 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod gMatrixMethods[] = { 1013106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich { "multiplyMM", "([FI[FI[FI)V", (void*)util_multiplyMM }, 1014106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich { "multiplyMV", "([FI[FI[FI)V", (void*)util_multiplyMV }, 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10178451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughesstatic JNINativeMethod gVisibilityMethods[] = { 1018106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich { "computeBoundingSphere", "([FII[FI)V", (void*)util_computeBoundingSphere }, 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "frustumCullSpheres", "([FI[FII[III)I", (void*)util_frustumCullSpheres }, 1020106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich { "visibilityTest", "([FI[FI[CII)I", (void*)util_visibilityTest }, 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod gUtilsMethods[] = { 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project {"nativeClassInit", "()V", (void*)nativeUtilsClassInit }, 1025106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich { "native_getInternalFormat", "(Landroid/graphics/Bitmap;)I", (void*) util_getInternalFormat }, 1026106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich { "native_getType", "(Landroid/graphics/Bitmap;)I", (void*) util_getType }, 1027106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich { "native_texImage2D", "(IIILandroid/graphics/Bitmap;II)I", (void*)util_texImage2D }, 1028106006cbdedc79ce8746ca5449610c69a2f69655Jack Palevich { "native_texSubImage2D", "(IIIILandroid/graphics/Bitmap;II)I", (void*)util_texSubImage2D }, 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1031a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevichstatic JNINativeMethod gEtc1Methods[] = { 1032a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich { "encodeBlock", "(Ljava/nio/Buffer;ILjava/nio/Buffer;)V", (void*) etc1_encodeBlock }, 1033a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich { "decodeBlock", "(Ljava/nio/Buffer;Ljava/nio/Buffer;)V", (void*) etc1_decodeBlock }, 1034a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich { "getEncodedDataSize", "(II)I", (void*) etc1_getEncodedDataSize }, 1035a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich { "encodeImage", "(Ljava/nio/Buffer;IIIILjava/nio/Buffer;)V", (void*) etc1_encodeImage }, 1036a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich { "decodeImage", "(Ljava/nio/Buffer;Ljava/nio/Buffer;IIII)V", (void*) etc1_decodeImage }, 1037a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich { "formatHeader", "(Ljava/nio/Buffer;II)V", (void*) etc1_formatHeader }, 1038a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich { "isValid", "(Ljava/nio/Buffer;)Z", (void*) etc1_isValid }, 1039a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich { "getWidth", "(Ljava/nio/Buffer;)I", (void*) etc1_getWidth }, 1040a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich { "getHeight", "(Ljava/nio/Buffer;)I", (void*) etc1_getHeight }, 1041a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich}; 1042a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projecttypedef struct _ClassRegistrationInfo { 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* classPath; 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNINativeMethod* methods; 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t methodCount; 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} ClassRegistrationInfo; 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic ClassRegistrationInfo gClasses[] = { 10508451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes {"android/opengl/Matrix", gMatrixMethods, NELEM(gMatrixMethods)}, 10518451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes {"android/opengl/Visibility", gVisibilityMethods, NELEM(gVisibilityMethods)}, 10528451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes {"android/opengl/GLUtils", gUtilsMethods, NELEM(gUtilsMethods)}, 10538451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes {"android/opengl/ETC1", gEtc1Methods, NELEM(gEtc1Methods)}, 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_opengl_classes(JNIEnv* env) 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1058a6276fdd4253c3a7150ab675678c750473ab6c45Jack Palevich nativeClassInitBuffer(env); 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int result = 0; 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < NELEM(gClasses); i++) { 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ClassRegistrationInfo* cri = &gClasses[i]; 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = AndroidRuntime::registerNativeMethods(env, 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cri->classPath, cri->methods, cri->methodCount); 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (result < 0) { 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Failed to register %s: %d", cri->classPath, result); 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} // namespace android 1073