Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 1 | ** |
| 2 | ** Copyright 2009, The Android Open Source Project |
| 3 | ** |
Elliott Hughes | 24ce5fb | 2011-04-08 20:01:01 -0700 | [diff] [blame] | 4 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | ** you may not use this file except in compliance with the License. |
| 6 | ** You may obtain a copy of the License at |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 7 | ** |
Elliott Hughes | 24ce5fb | 2011-04-08 20:01:01 -0700 | [diff] [blame] | 8 | ** http://www.apache.org/licenses/LICENSE-2.0 |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 9 | ** |
Elliott Hughes | 24ce5fb | 2011-04-08 20:01:01 -0700 | [diff] [blame] | 10 | ** Unless required by applicable law or agreed to in writing, software |
| 11 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | ** See the License for the specific language governing permissions and |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 14 | ** limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | // This source file is automatically generated |
| 18 | |
Elliott Hughes | 24ce5fb | 2011-04-08 20:01:01 -0700 | [diff] [blame] | 19 | #include "jni.h" |
| 20 | #include "JNIHelp.h" |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 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 | |
| 28 | static int initialized = 0; |
| 29 | |
| 30 | static jclass nioAccessClass; |
| 31 | static jclass bufferClass; |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 32 | static jmethodID getBasePointerID; |
| 33 | static jmethodID getBaseArrayID; |
| 34 | static jmethodID getBaseArrayOffsetID; |
| 35 | static jfieldID positionID; |
| 36 | static jfieldID limitID; |
| 37 | static jfieldID elementSizeShiftID; |
| 38 | |
| 39 | /* Cache method IDs each time the class is loaded. */ |
| 40 | |
| 41 | static void |
Elliott Hughes | 24ce5fb | 2011-04-08 20:01:01 -0700 | [diff] [blame] | 42 | nativeClassInit(JNIEnv *_env, jclass glImplClass) |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 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 | |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 64 | static void * |
| 65 | getPointer(JNIEnv *_env, jobject buffer, jarray *array, jint *remaining) |
| 66 | { |
| 67 | jint position; |
| 68 | jint limit; |
| 69 | jint elementSizeShift; |
| 70 | jlong pointer; |
| 71 | jint offset; |
| 72 | void *data; |
| 73 | |
| 74 | position = _env->GetIntField(buffer, positionID); |
| 75 | limit = _env->GetIntField(buffer, limitID); |
| 76 | elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID); |
| 77 | *remaining = (limit - position) << elementSizeShift; |
| 78 | pointer = _env->CallStaticLongMethod(nioAccessClass, |
| 79 | getBasePointerID, buffer); |
| 80 | if (pointer != 0L) { |
| 81 | *array = NULL; |
| 82 | return (void *) (jint) pointer; |
| 83 | } |
Elliott Hughes | 24ce5fb | 2011-04-08 20:01:01 -0700 | [diff] [blame] | 84 | |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 85 | *array = (jarray) _env->CallStaticObjectMethod(nioAccessClass, |
| 86 | getBaseArrayID, buffer); |
| 87 | offset = _env->CallStaticIntMethod(nioAccessClass, |
| 88 | getBaseArrayOffsetID, buffer); |
| 89 | data = _env->GetPrimitiveArrayCritical(*array, (jboolean *) 0); |
Elliott Hughes | 24ce5fb | 2011-04-08 20:01:01 -0700 | [diff] [blame] | 90 | |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 91 | return (void *) ((char *) data + offset); |
| 92 | } |
| 93 | |
| 94 | |
| 95 | static void |
| 96 | releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit) |
| 97 | { |
| 98 | _env->ReleasePrimitiveArrayCritical(array, data, |
| 99 | commit ? 0 : JNI_ABORT); |
| 100 | } |
| 101 | |
| 102 | static void * |
| 103 | getDirectBufferPointer(JNIEnv *_env, jobject buffer) { |
| 104 | char* buf = (char*) _env->GetDirectBufferAddress(buffer); |
| 105 | if (buf) { |
| 106 | jint position = _env->GetIntField(buffer, positionID); |
| 107 | jint elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID); |
| 108 | buf += position << elementSizeShift; |
| 109 | } else { |
Elliott Hughes | 24ce5fb | 2011-04-08 20:01:01 -0700 | [diff] [blame] | 110 | jniThrowException(_env, "java/lang/IllegalArgumentException", |
| 111 | "Must use a native order direct Buffer"); |
Jack Palevich | 560814f | 2009-11-19 16:34:55 +0800 | [diff] [blame] | 112 | } |
| 113 | return (void*) buf; |
| 114 | } |
| 115 | |
| 116 | static int |
| 117 | getNumCompressedTextureFormats() { |
| 118 | int numCompressedTextureFormats = 0; |
| 119 | glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numCompressedTextureFormats); |
| 120 | return numCompressedTextureFormats; |
| 121 | } |
| 122 | |
| 123 | static void glVertexAttribPointerBounds(GLuint indx, GLint size, GLenum type, |
| 124 | GLboolean normalized, GLsizei stride, const GLvoid *pointer, GLsizei count) { |
| 125 | glVertexAttribPointer(indx, size, type, normalized, stride, pointer); |
| 126 | } |
| 127 | |
| 128 | // -------------------------------------------------------------------------- |