1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.android.gles_jni; 18 19 import javax.microedition.khronos.egl.*; 20 21 import android.graphics.SurfaceTexture; 22 import android.view.Surface; 23 import android.view.SurfaceView; 24 import android.view.SurfaceHolder; 25 26 public class EGLImpl implements EGL10 { 27 private EGLContextImpl mContext = new EGLContextImpl(-1); 28 private EGLDisplayImpl mDisplay = new EGLDisplayImpl(-1); 29 private EGLSurfaceImpl mSurface = new EGLSurfaceImpl(-1); 30 31 public native boolean eglInitialize(EGLDisplay display, int[] major_minor); 32 public native boolean eglQueryContext(EGLDisplay display, EGLContext context, int attribute, int[] value); 33 public native boolean eglQuerySurface(EGLDisplay display, EGLSurface surface, int attribute, int[] value); 34 /** @hide **/ 35 public native boolean eglReleaseThread(); 36 public native boolean eglChooseConfig(EGLDisplay display, int[] attrib_list, EGLConfig[] configs, int config_size, int[] num_config); 37 public native boolean eglGetConfigAttrib(EGLDisplay display, EGLConfig config, int attribute, int[] value); 38 public native boolean eglGetConfigs(EGLDisplay display, EGLConfig[] configs, int config_size, int[] num_config); 39 public native int eglGetError(); 40 public native boolean eglDestroyContext(EGLDisplay display, EGLContext context); 41 public native boolean eglDestroySurface(EGLDisplay display, EGLSurface surface); 42 public native boolean eglMakeCurrent(EGLDisplay display, EGLSurface draw, EGLSurface read, EGLContext context); 43 public native String eglQueryString(EGLDisplay display, int name); 44 public native boolean eglSwapBuffers(EGLDisplay display, EGLSurface surface); 45 public native boolean eglTerminate(EGLDisplay display); 46 public native boolean eglCopyBuffers(EGLDisplay display, EGLSurface surface, Object native_pixmap); 47 public native boolean eglWaitGL(); 48 public native boolean eglWaitNative(int engine, Object bindTarget); 49 50 /** @hide **/ 51 public static native int getInitCount(EGLDisplay display); 52 53 public EGLContext eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list) { 54 int eglContextId = _eglCreateContext(display, config, share_context, attrib_list); 55 if (eglContextId == 0) { 56 return EGL10.EGL_NO_CONTEXT; 57 } 58 return new EGLContextImpl( eglContextId ); 59 } 60 61 public EGLSurface eglCreatePbufferSurface(EGLDisplay display, EGLConfig config, int[] attrib_list) { 62 int eglSurfaceId = _eglCreatePbufferSurface(display, config, attrib_list); 63 if (eglSurfaceId == 0) { 64 return EGL10.EGL_NO_SURFACE; 65 } 66 return new EGLSurfaceImpl( eglSurfaceId ); 67 } 68 69 public EGLSurface eglCreatePixmapSurface(EGLDisplay display, EGLConfig config, Object native_pixmap, int[] attrib_list) { 70 EGLSurfaceImpl sur = new EGLSurfaceImpl(); 71 _eglCreatePixmapSurface(sur, display, config, native_pixmap, attrib_list); 72 if (sur.mEGLSurface == 0) { 73 return EGL10.EGL_NO_SURFACE; 74 } 75 return sur; 76 } 77 78 public EGLSurface eglCreateWindowSurface(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list) { 79 Surface sur = null; 80 if (native_window instanceof SurfaceView) { 81 SurfaceView surfaceView = (SurfaceView)native_window; 82 sur = surfaceView.getHolder().getSurface(); 83 } else if (native_window instanceof SurfaceHolder) { 84 SurfaceHolder holder = (SurfaceHolder)native_window; 85 sur = holder.getSurface(); 86 } else if (native_window instanceof Surface) { 87 sur = (Surface) native_window; 88 } 89 90 int eglSurfaceId; 91 if (sur != null) { 92 eglSurfaceId = _eglCreateWindowSurface(display, config, sur, attrib_list); 93 } else if (native_window instanceof SurfaceTexture) { 94 eglSurfaceId = _eglCreateWindowSurfaceTexture(display, config, 95 native_window, attrib_list); 96 } else { 97 throw new java.lang.UnsupportedOperationException( 98 "eglCreateWindowSurface() can only be called with an instance of " + 99 "Surface, SurfaceView, SurfaceHolder or SurfaceTexture at the moment."); 100 } 101 102 if (eglSurfaceId == 0) { 103 return EGL10.EGL_NO_SURFACE; 104 } 105 return new EGLSurfaceImpl( eglSurfaceId ); 106 } 107 108 public synchronized EGLDisplay eglGetDisplay(Object native_display) { 109 int value = _eglGetDisplay(native_display); 110 if (value == 0) { 111 return EGL10.EGL_NO_DISPLAY; 112 } 113 if (mDisplay.mEGLDisplay != value) 114 mDisplay = new EGLDisplayImpl(value); 115 return mDisplay; 116 } 117 118 public synchronized EGLContext eglGetCurrentContext() { 119 int value = _eglGetCurrentContext(); 120 if (value == 0) { 121 return EGL10.EGL_NO_CONTEXT; 122 } 123 if (mContext.mEGLContext != value) 124 mContext = new EGLContextImpl(value); 125 return mContext; 126 } 127 128 public synchronized EGLDisplay eglGetCurrentDisplay() { 129 int value = _eglGetCurrentDisplay(); 130 if (value == 0) { 131 return EGL10.EGL_NO_DISPLAY; 132 } 133 if (mDisplay.mEGLDisplay != value) 134 mDisplay = new EGLDisplayImpl(value); 135 return mDisplay; 136 } 137 138 public synchronized EGLSurface eglGetCurrentSurface(int readdraw) { 139 int value = _eglGetCurrentSurface(readdraw); 140 if (value == 0) { 141 return EGL10.EGL_NO_SURFACE; 142 } 143 if (mSurface.mEGLSurface != value) 144 mSurface = new EGLSurfaceImpl(value); 145 return mSurface; 146 } 147 148 private native int _eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list); 149 private native int _eglCreatePbufferSurface(EGLDisplay display, EGLConfig config, int[] attrib_list); 150 private native void _eglCreatePixmapSurface(EGLSurface sur, EGLDisplay display, EGLConfig config, Object native_pixmap, int[] attrib_list); 151 private native int _eglCreateWindowSurface(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list); 152 private native int _eglCreateWindowSurfaceTexture(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list); 153 private native int _eglGetDisplay(Object native_display); 154 private native int _eglGetCurrentContext(); 155 private native int _eglGetCurrentDisplay(); 156 private native int _eglGetCurrentSurface(int readdraw); 157 158 native private static void _nativeClassInit(); 159 static { _nativeClassInit(); } 160 } 161
