EGLImpl.java revision 54b6cfa9a9e5b861a9930af873580d6dc20f773c 
1/*
2**
3** Copyright 2006, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18package com.google.android.gles_jni;
19
20import javax.microedition.khronos.egl.*;
21
22import android.view.Surface;
23import android.view.SurfaceView;
24import android.view.SurfaceHolder;
25import android.view.View;
26
27public class EGLImpl implements EGL10 {
28    private EGLContextImpl mContext = new EGLContextImpl(-1);
29    private EGLDisplayImpl mDisplay = new EGLDisplayImpl(-1);
30    private EGLSurfaceImpl mSurface = new EGLSurfaceImpl(-1);
31
32    public native boolean     eglInitialize(EGLDisplay display, int[] major_minor);
33    public native boolean     eglQueryContext(EGLDisplay display, EGLContext context, int attribute, int[] value);
34    public native boolean     eglQuerySurface(EGLDisplay display, EGLSurface surface, int attribute, int[] value);
35    public native boolean     eglChooseConfig(EGLDisplay display, int[] attrib_list, EGLConfig[] configs, int config_size, int[] num_config);
36    public native boolean     eglGetConfigAttrib(EGLDisplay display, EGLConfig config, int attribute, int[] value);
37    public native boolean     eglGetConfigs(EGLDisplay display, EGLConfig[] configs, int config_size, int[] num_config);
38    public native int         eglGetError();
39    public native boolean     eglDestroyContext(EGLDisplay display, EGLContext context);
40    public native boolean     eglDestroySurface(EGLDisplay display, EGLSurface surface);
41    public native boolean     eglMakeCurrent(EGLDisplay display, EGLSurface draw, EGLSurface read, EGLContext context);
42    public native String      eglQueryString(EGLDisplay display, int name);
43    public native boolean     eglSwapBuffers(EGLDisplay display, EGLSurface surface);
44    public native boolean     eglTerminate(EGLDisplay display);
45    public native boolean     eglCopyBuffers(EGLDisplay display, EGLSurface surface, Object native_pixmap);
46    public native boolean     eglWaitGL();
47    public native boolean     eglWaitNative(int engine, Object bindTarget);
48
49    public EGLContext eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list) {
50        return new EGLContextImpl( _eglCreateContext(display, config, share_context, attrib_list) );
51    }
52
53    public EGLSurface eglCreatePbufferSurface(EGLDisplay display, EGLConfig config, int[] attrib_list) {
54        return new EGLSurfaceImpl( _eglCreatePbufferSurface(display, config, attrib_list) );
55    }
56
57    public EGLSurface eglCreatePixmapSurface(EGLDisplay display, EGLConfig config, Object native_pixmap, int[] attrib_list) {
58        EGLSurfaceImpl sur = new EGLSurfaceImpl();
59        _eglCreatePixmapSurface(sur, display, config, native_pixmap, attrib_list);
60        return sur;
61    }
62
63    public EGLSurface eglCreateWindowSurface(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list) {
64        Surface sur;
65        if (native_window instanceof SurfaceView) {
66            SurfaceView surfaceView = (SurfaceView)native_window;
67            sur = surfaceView.getHolder().getSurface();
68        } else if (native_window instanceof SurfaceHolder) {
69            SurfaceHolder holder = (SurfaceHolder)native_window;
70            sur = holder.getSurface();
71        } else {
72            throw new java.lang.UnsupportedOperationException(
73                "eglCreateWindowSurface() can only be called with an instance of " +
74                "SurfaceView or SurfaceHolder at the moment, this will be fixed later.");
75        }
76        return new EGLSurfaceImpl( _eglCreateWindowSurface(display, config, sur, attrib_list) );
77    }
78
79    public synchronized EGLDisplay eglGetDisplay(Object native_display) {
80        int value = _eglGetDisplay(native_display);
81        if (mDisplay.mEGLDisplay != value)
82            mDisplay = new EGLDisplayImpl(value);
83        return mDisplay;
84    }
85
86    public synchronized EGLContext eglGetCurrentContext() {
87        int value = _eglGetCurrentContext();
88        if (mContext.mEGLContext != value)
89            mContext = new EGLContextImpl(value);
90        return mContext;
91    }
92
93    public synchronized EGLDisplay eglGetCurrentDisplay() {
94        int value = _eglGetCurrentDisplay();
95        if (mDisplay.mEGLDisplay != value)
96            mDisplay = new EGLDisplayImpl(value);
97        return mDisplay;
98    }
99
100    public synchronized EGLSurface eglGetCurrentSurface(int readdraw) {
101        int value = _eglGetCurrentSurface(readdraw);
102        if (mSurface.mEGLSurface != value)
103            mSurface = new EGLSurfaceImpl(value);
104        return mSurface;
105    }
106
107    private native int _eglCreateContext(EGLDisplay display, EGLConfig config, EGLContext share_context, int[] attrib_list);
108    private native int _eglCreatePbufferSurface(EGLDisplay display, EGLConfig config, int[] attrib_list);
109    private native void _eglCreatePixmapSurface(EGLSurface sur, EGLDisplay display, EGLConfig config, Object native_pixmap, int[] attrib_list);
110    private native int _eglCreateWindowSurface(EGLDisplay display, EGLConfig config, Object native_window, int[] attrib_list);
111    private native int _eglGetDisplay(Object native_display);
112    private native int _eglGetCurrentContext();
113    private native int _eglGetCurrentDisplay();
114    private native int _eglGetCurrentSurface(int readdraw);
115
116    native private static void _nativeClassInit();
117    static { _nativeClassInit(); }
118}
119