GLES20cHeader.cpp revision e58a97b5d77b59fad1572ba3c0572c7434e8e503
1affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** 2affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** Copyright 2009, The Android Open Source Project 3affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** 4affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** Licensed under the Apache License, Version 2.0 (the "License"); 5affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** you may not use this file except in compliance with the License. 6affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** You may obtain a copy of the License at 7affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** 8affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** http://www.apache.org/licenses/LICENSE-2.0 9affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** 10affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** Unless required by applicable law or agreed to in writing, software 11affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** distributed under the License is distributed on an "AS IS" BASIS, 12affcdfd7d8fbefe6d46cf6750ec0d99ef6c9f5d2Robert Ly** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13** See the License for the specific language governing permissions and 14** limitations under the License. 15*/ 16 17// This source file is automatically generated 18 19#include "jni.h" 20#include "JNIHelp.h" 21#include <android_runtime/AndroidRuntime.h> 22#include <utils/misc.h> 23 24#include <assert.h> 25#include <GLES2/gl2.h> 26#include <GLES2/gl2ext.h> 27 28static int initialized = 0; 29 30static jclass nioAccessClass; 31static jclass bufferClass; 32static jmethodID getBasePointerID; 33static jmethodID getBaseArrayID; 34static jmethodID getBaseArrayOffsetID; 35static jfieldID positionID; 36static jfieldID limitID; 37static jfieldID elementSizeShiftID; 38 39/* Cache method IDs each time the class is loaded. */ 40 41static void 42nativeClassInit(JNIEnv *_env, jclass glImplClass) 43{ 44 jclass nioAccessClassLocal = _env->FindClass("java/nio/NIOAccess"); 45 nioAccessClass = (jclass) _env->NewGlobalRef(nioAccessClassLocal); 46 47 jclass bufferClassLocal = _env->FindClass("java/nio/Buffer"); 48 bufferClass = (jclass) _env->NewGlobalRef(bufferClassLocal); 49 50 getBasePointerID = _env->GetStaticMethodID(nioAccessClass, 51 "getBasePointer", "(Ljava/nio/Buffer;)J"); 52 getBaseArrayID = _env->GetStaticMethodID(nioAccessClass, 53 "getBaseArray", "(Ljava/nio/Buffer;)Ljava/lang/Object;"); 54 getBaseArrayOffsetID = _env->GetStaticMethodID(nioAccessClass, 55 "getBaseArrayOffset", "(Ljava/nio/Buffer;)I"); 56 57 positionID = _env->GetFieldID(bufferClass, "position", "I"); 58 limitID = _env->GetFieldID(bufferClass, "limit", "I"); 59 elementSizeShiftID = 60 _env->GetFieldID(bufferClass, "_elementSizeShift", "I"); 61} 62 63 64static void * 65getPointer(JNIEnv *_env, jobject buffer, jarray *array, jint *remaining, jint *offset) 66{ 67 jint position; 68 jint limit; 69 jint elementSizeShift; 70 jlong pointer; 71 72 position = _env->GetIntField(buffer, positionID); 73 limit = _env->GetIntField(buffer, limitID); 74 elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID); 75 *remaining = (limit - position) << elementSizeShift; 76 pointer = _env->CallStaticLongMethod(nioAccessClass, 77 getBasePointerID, buffer); 78 if (pointer != 0L) { 79 *array = NULL; 80 return (void *) (jint) pointer; 81 } 82 83 *array = (jarray) _env->CallStaticObjectMethod(nioAccessClass, 84 getBaseArrayID, buffer); 85 *offset = _env->CallStaticIntMethod(nioAccessClass, 86 getBaseArrayOffsetID, buffer); 87 88 return NULL; 89} 90 91 92static void 93releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit) 94{ 95 _env->ReleasePrimitiveArrayCritical(array, data, 96 commit ? 0 : JNI_ABORT); 97} 98 99static void * 100getDirectBufferPointer(JNIEnv *_env, jobject buffer) { 101 char* buf = (char*) _env->GetDirectBufferAddress(buffer); 102 if (buf) { 103 jint position = _env->GetIntField(buffer, positionID); 104 jint elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID); 105 buf += position << elementSizeShift; 106 } else { 107 jniThrowException(_env, "java/lang/IllegalArgumentException", 108 "Must use a native order direct Buffer"); 109 } 110 return (void*) buf; 111} 112 113static int 114getNumCompressedTextureFormats() { 115 int numCompressedTextureFormats = 0; 116 glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numCompressedTextureFormats); 117 return numCompressedTextureFormats; 118} 119 120static void glVertexAttribPointerBounds(GLuint indx, GLint size, GLenum type, 121 GLboolean normalized, GLsizei stride, const GLvoid *pointer, GLsizei count) { 122 glVertexAttribPointer(indx, size, type, normalized, stride, pointer); 123} 124 125// -------------------------------------------------------------------------- 126