19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2006, The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 424ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes** Licensed under the Apache License, Version 2.0 (the "License"); 524ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes** you may not use this file except in compliance with the License. 624ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes** You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 824ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes** http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 1024ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes** Unless required by applicable law or agreed to in writing, software 1124ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes** distributed under the License is distributed on an "AS IS" BASIS, 1224ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1324ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes** 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 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// This source file is automatically generated 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1924ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes#include "jni.h" 2024ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes#include "JNIHelp.h" 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <android_runtime/AndroidRuntime.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/misc.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <assert.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <GLES/gl.h> 26be509c9c7de5929d014dfe6d45e71cc8454ede0fJack Palevich#include <GLES/glext.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 288a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich// Work around differences between the generated name and the actual name. 298a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich 308a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glBlendEquation glBlendEquationOES 318a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glBlendEquationSeparate glBlendEquationSeparateOES 328a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glBlendFuncSeparate glBlendFuncSeparateOES 338a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glGetTexGenfv glGetTexGenfvOES 348a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glGetTexGeniv glGetTexGenivOES 358a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glGetTexGenxv glGetTexGenxvOES 368a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glTexGenf glTexGenfOES 378a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glTexGenfv glTexGenfvOES 388a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glTexGeni glTexGeniOES 398a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glTexGeniv glTexGenivOES 408a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glTexGenx glTexGenxOES 418a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich#define glTexGenxv glTexGenxvOES 428a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich 438a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich 448a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich 458331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias Agopian/* special calls implemented in Android's GLES wrapper used to more 468331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias Agopian * efficiently bound-check passed arrays */ 478331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias Agopianextern "C" { 488331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias AgopianGL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride, 498331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias Agopian const GLvoid *ptr, GLsizei count); 508331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias AgopianGL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride, 518331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias Agopian const GLvoid *pointer, GLsizei count); 528331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias AgopianGL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type, 538331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias Agopian GLsizei stride, const GLvoid *pointer, GLsizei count); 548331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias AgopianGL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type, 558331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias Agopian GLsizei stride, const GLvoid *pointer, GLsizei count); 56be6eac828f5af8b608c3fa6749330f1dcd6b6206Jack PalevichGL_API void GL_APIENTRY glPointSizePointerOESBounds(GLenum type, 57be6eac828f5af8b608c3fa6749330f1dcd6b6206Jack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count); 58be6eac828f5af8b608c3fa6749330f1dcd6b6206Jack PalevichGL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type, 59be6eac828f5af8b608c3fa6749330f1dcd6b6206Jack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count); 60be6eac828f5af8b608c3fa6749330f1dcd6b6206Jack PalevichGL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type, 61be6eac828f5af8b608c3fa6749330f1dcd6b6206Jack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count); 628331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias Agopian} 638331f72078051cdf5a26230ee819f7ef7f9fcc24Mathias Agopian 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic int initialized = 0; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jclass nioAccessClass; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jclass bufferClass; 6891a27ae2fec23b420244258636d2370117e86f5eJack Palevichstatic jclass G11ImplClass; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID getBasePointerID; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID getBaseArrayID; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jmethodID getBaseArrayOffsetID; 7291a27ae2fec23b420244258636d2370117e86f5eJack Palevichstatic jmethodID allowIndirectBuffersID; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jfieldID positionID; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jfieldID limitID; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jfieldID elementSizeShiftID; 768a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevichstatic jfieldID haveCheckedExtensionsID; 778a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevichstatic jfieldID have_OES_blend_equation_separateID; 788a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevichstatic jfieldID have_OES_blend_subtractID; 798a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevichstatic jfieldID have_OES_framebuffer_objectID; 808a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevichstatic jfieldID have_OES_texture_cube_mapID; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* Cache method IDs each time the class is loaded. */ 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8427f8002e591b5c579f75b2580183b5d1c4219cd4Jack Palevichstatic void 8524ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott HughesnativeClassInit(JNIEnv *_env, jclass glImplClass) 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass nioAccessClassLocal = _env->FindClass("java/nio/NIOAccess"); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nioAccessClass = (jclass) _env->NewGlobalRef(nioAccessClassLocal); 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jclass bufferClassLocal = _env->FindClass("java/nio/Buffer"); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufferClass = (jclass) _env->NewGlobalRef(bufferClassLocal); 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9391a27ae2fec23b420244258636d2370117e86f5eJack Palevich jclass g11impClassLocal = _env->FindClass("com/google/android/gles_jni/GLImpl"); 9491a27ae2fec23b420244258636d2370117e86f5eJack Palevich G11ImplClass = (jclass) _env->NewGlobalRef(g11impClassLocal); 958a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich haveCheckedExtensionsID = _env->GetFieldID(G11ImplClass, "haveCheckedExtensions", "Z"); 968a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich have_OES_blend_equation_separateID = _env->GetFieldID(G11ImplClass, "have_OES_blend_equation_separate", "Z"); 978a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich have_OES_blend_subtractID = _env->GetFieldID(G11ImplClass, "have_OES_blend_subtract", "Z"); 988a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich have_OES_framebuffer_objectID = _env->GetFieldID(G11ImplClass, "have_OES_framebuffer_object", "Z"); 998a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich have_OES_texture_cube_mapID = _env->GetFieldID(G11ImplClass, "have_OES_texture_cube_map", "Z"); 10091a27ae2fec23b420244258636d2370117e86f5eJack Palevich 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getBasePointerID = _env->GetStaticMethodID(nioAccessClass, 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "getBasePointer", "(Ljava/nio/Buffer;)J"); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getBaseArrayID = _env->GetStaticMethodID(nioAccessClass, 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "getBaseArray", "(Ljava/nio/Buffer;)Ljava/lang/Object;"); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getBaseArrayOffsetID = _env->GetStaticMethodID(nioAccessClass, 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "getBaseArrayOffset", "(Ljava/nio/Buffer;)I"); 10791a27ae2fec23b420244258636d2370117e86f5eJack Palevich allowIndirectBuffersID = _env->GetStaticMethodID(g11impClassLocal, 10891a27ae2fec23b420244258636d2370117e86f5eJack Palevich "allowIndirectBuffers", "(Ljava/lang/String;)Z"); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project positionID = _env->GetFieldID(bufferClass, "position", "I"); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project limitID = _env->GetFieldID(bufferClass, "limit", "I"); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project elementSizeShiftID = 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _env->GetFieldID(bufferClass, "_elementSizeShift", "I"); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void * 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectgetPointer(JNIEnv *_env, jobject buffer, jarray *array, jint *remaining) 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint position; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint limit; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint elementSizeShift; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jlong pointer; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jint offset; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void *data; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project position = _env->GetIntField(buffer, positionID); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project limit = _env->GetIntField(buffer, limitID); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *remaining = (limit - position) << elementSizeShift; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pointer = _env->CallStaticLongMethod(nioAccessClass, 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getBasePointerID, buffer); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pointer != 0L) { 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *array = NULL; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (void *) (jint) pointer; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13524ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *array = (jarray) _env->CallStaticObjectMethod(nioAccessClass, 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getBaseArrayID, buffer); 13891a27ae2fec23b420244258636d2370117e86f5eJack Palevich if (*array == NULL) { 13991a27ae2fec23b420244258636d2370117e86f5eJack Palevich return (void*) NULL; 14091a27ae2fec23b420244258636d2370117e86f5eJack Palevich } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project offset = _env->CallStaticIntMethod(nioAccessClass, 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getBaseArrayOffsetID, buffer); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data = _env->GetPrimitiveArrayCritical(*array, (jboolean *) 0); 14424ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (void *) ((char *) data + offset); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectreleasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit) 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _env->ReleasePrimitiveArrayCritical(array, data, 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project commit ? 0 : JNI_ABORT); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15591a27ae2fec23b420244258636d2370117e86f5eJack Palevichextern "C" { 15691a27ae2fec23b420244258636d2370117e86f5eJack Palevichextern char* __progname; 15791a27ae2fec23b420244258636d2370117e86f5eJack Palevich} 15891a27ae2fec23b420244258636d2370117e86f5eJack Palevich 15991a27ae2fec23b420244258636d2370117e86f5eJack Palevichstatic bool 16091a27ae2fec23b420244258636d2370117e86f5eJack PalevichallowIndirectBuffers(JNIEnv *_env) { 16191a27ae2fec23b420244258636d2370117e86f5eJack Palevich static jint sIndirectBufferCompatability; 16291a27ae2fec23b420244258636d2370117e86f5eJack Palevich if (sIndirectBufferCompatability == 0) { 16391a27ae2fec23b420244258636d2370117e86f5eJack Palevich jobject appName = _env->NewStringUTF(::__progname); 16491a27ae2fec23b420244258636d2370117e86f5eJack Palevich sIndirectBufferCompatability = _env->CallStaticBooleanMethod(G11ImplClass, allowIndirectBuffersID, appName) ? 2 : 1; 16591a27ae2fec23b420244258636d2370117e86f5eJack Palevich } 16691a27ae2fec23b420244258636d2370117e86f5eJack Palevich return sIndirectBufferCompatability == 2; 16791a27ae2fec23b420244258636d2370117e86f5eJack Palevich} 16891a27ae2fec23b420244258636d2370117e86f5eJack Palevich 16916e7972f0d986eebf846ea8feb50f4435a9c6970Jack Palevichstatic void * 17016e7972f0d986eebf846ea8feb50f4435a9c6970Jack PalevichgetDirectBufferPointer(JNIEnv *_env, jobject buffer) { 17191a27ae2fec23b420244258636d2370117e86f5eJack Palevich if (!buffer) { 17291a27ae2fec23b420244258636d2370117e86f5eJack Palevich return NULL; 17391a27ae2fec23b420244258636d2370117e86f5eJack Palevich } 17491a27ae2fec23b420244258636d2370117e86f5eJack Palevich void* buf = _env->GetDirectBufferAddress(buffer); 17516e7972f0d986eebf846ea8feb50f4435a9c6970Jack Palevich if (buf) { 17616e7972f0d986eebf846ea8feb50f4435a9c6970Jack Palevich jint position = _env->GetIntField(buffer, positionID); 17716e7972f0d986eebf846ea8feb50f4435a9c6970Jack Palevich jint elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID); 17891a27ae2fec23b420244258636d2370117e86f5eJack Palevich buf = ((char*) buf) + (position << elementSizeShift); 17916e7972f0d986eebf846ea8feb50f4435a9c6970Jack Palevich } else { 18091a27ae2fec23b420244258636d2370117e86f5eJack Palevich if (allowIndirectBuffers(_env)) { 18191a27ae2fec23b420244258636d2370117e86f5eJack Palevich jarray array = 0; 18291a27ae2fec23b420244258636d2370117e86f5eJack Palevich jint remaining; 18391a27ae2fec23b420244258636d2370117e86f5eJack Palevich buf = getPointer(_env, buffer, &array, &remaining); 18491a27ae2fec23b420244258636d2370117e86f5eJack Palevich if (array) { 18591a27ae2fec23b420244258636d2370117e86f5eJack Palevich releasePointer(_env, array, buf, 0); 18691a27ae2fec23b420244258636d2370117e86f5eJack Palevich } 18791a27ae2fec23b420244258636d2370117e86f5eJack Palevich } else { 18824ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes jniThrowException(_env, "java/lang/IllegalArgumentException", 18924ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes "Must use a native order direct Buffer"); 19091a27ae2fec23b420244258636d2370117e86f5eJack Palevich } 19116e7972f0d986eebf846ea8feb50f4435a9c6970Jack Palevich } 19291a27ae2fec23b420244258636d2370117e86f5eJack Palevich return buf; 19316e7972f0d986eebf846ea8feb50f4435a9c6970Jack Palevich} 19416e7972f0d986eebf846ea8feb50f4435a9c6970Jack Palevich 195be509c9c7de5929d014dfe6d45e71cc8454ede0fJack Palevichstatic int 196be509c9c7de5929d014dfe6d45e71cc8454ede0fJack PalevichgetNumCompressedTextureFormats() { 197be509c9c7de5929d014dfe6d45e71cc8454ede0fJack Palevich int numCompressedTextureFormats = 0; 198be509c9c7de5929d014dfe6d45e71cc8454ede0fJack Palevich glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numCompressedTextureFormats); 199be509c9c7de5929d014dfe6d45e71cc8454ede0fJack Palevich return numCompressedTextureFormats; 200be509c9c7de5929d014dfe6d45e71cc8454ede0fJack Palevich} 201be509c9c7de5929d014dfe6d45e71cc8454ede0fJack Palevich 2028a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich// Check if the extension at the head of pExtensions is pExtension. Note that pExtensions is 2038a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich// terminated by either 0 or space, while pExtension is terminated by 0. 2048a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich 2058a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevichstatic bool 2068a4de4be9ed522c704a45a44a265669e10a8f2ebJack PalevichextensionEqual(const GLubyte* pExtensions, const GLubyte* pExtension) { 2078a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich while (true) { 2088a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich char a = *pExtensions++; 2098a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich char b = *pExtension++; 2108a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich bool aEnd = a == '\0' || a == ' '; 2118a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich bool bEnd = b == '\0'; 2128a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich if ( aEnd || bEnd) { 2138a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich return aEnd == bEnd; 2148a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich } 2158a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich if ( a != b ) { 2168a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich return false; 2178a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich } 2188a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich } 2198a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich} 2208a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich 2218a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevichstatic const GLubyte* 2228a4de4be9ed522c704a45a44a265669e10a8f2ebJack PalevichnextExtension(const GLubyte* pExtensions) { 2238a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich while (true) { 2248a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich char a = *pExtensions++; 2258a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich if ( a == '\0') { 2268a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich return pExtensions-1; 2278a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich } else if ( a == ' ') { 2288a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich return pExtensions; 2298a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich } 2308a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich } 2318a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich} 23224ce5fb2cc09d0a14406e7b935f8648c5720d27eElliott Hughes 2338a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevichstatic bool 2348a4de4be9ed522c704a45a44a265669e10a8f2ebJack PalevichcheckForExtension(const GLubyte* pExtensions, const GLubyte* pExtension) { 2358a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich for (;*pExtensions != '\0'; pExtensions = nextExtension(pExtensions)) { 2368a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich if (extensionEqual(pExtensions, pExtension)) { 2378a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich return true; 2388a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich } 2398a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich } 2408a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich return false; 2418a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich} 2428a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich 2438a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevichstatic bool 2448a4de4be9ed522c704a45a44a265669e10a8f2ebJack PalevichsupportsExtension(JNIEnv *_env, jobject impl, jfieldID fieldId) { 2458a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich if (!_env->GetBooleanField(impl, haveCheckedExtensionsID)) { 2468a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich _env->SetBooleanField(impl, haveCheckedExtensionsID, true); 2478a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich const GLubyte* sExtensions = glGetString(GL_EXTENSIONS); 2488a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich _env->SetBooleanField(impl, have_OES_blend_equation_separateID, 2498a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich checkForExtension(sExtensions, (const GLubyte*) "GL_OES_blend_equation_separate")); 2508a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich _env->SetBooleanField(impl, have_OES_blend_subtractID, 2518a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich checkForExtension(sExtensions, (const GLubyte*) "GL_OES_blend_subtract")); 2528a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich _env->SetBooleanField(impl, have_OES_framebuffer_objectID, 2538a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich checkForExtension(sExtensions, (const GLubyte*) "GL_OES_framebuffer_object")); 2548a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich _env->SetBooleanField(impl, have_OES_texture_cube_mapID, 2558a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich checkForExtension(sExtensions, (const GLubyte*) "GL_OES_texture_cube_map")); 2568a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich } 2578a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich return _env->GetBooleanField(impl, fieldId); 2588a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich} 2598a4de4be9ed522c704a45a44a265669e10a8f2ebJack Palevich 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// -------------------------------------------------------------------------- 261