1 /* 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #include <stdlib.h> 27 #include <assert.h> 28 #include <stdio.h> 29 #include <string.h> 30 #include <math.h> 31 32 #include <EGL/egl.h> 33 #include <GL/gl.h> 34 #include "eglUtils.h" 35 36 #include "com_sun_prism_es2_EGLFBGLContext.h" 37 38 extern void initializeDrawableInfo(DrawableInfo *dInfo); 39 extern void deleteDrawableInfo(DrawableInfo *dInfo); 40 41 /* 42 * Class: com_sun_prism_es2_EGLFBGLDrawable 43 * Method: nCreateDrawable 44 * Signature: (JJ)J 45 */ 46 JNIEXPORT jlong JNICALL Java_com_sun_prism_es2_EGLFBGLDrawable_nCreateDrawable 47 (JNIEnv *env, jclass jeglfbDrawable, jlong nativeWindow, jlong nativePFInfo) { 48 DrawableInfo *dInfo = NULL; 49 PixelFormatInfo *pfInfo = (PixelFormatInfo *) jlong_to_ptr(nativePFInfo); 50 if (pfInfo == NULL) { 51 fprintf(stderr, "nCreateDrawable: PixelFormatInfo null\n"); 52 return 0; 53 } 54 /* allocate the structure */ 55 dInfo = (DrawableInfo *) malloc(sizeof(DrawableInfo)); 56 if (dInfo == NULL) { 57 fprintf(stderr, "nCreateDrawable: Failed in malloc\n"); 58 return 0; 59 } 60 61 /* initialize the structure */ 62 initializeDrawableInfo(dInfo); 63 dInfo->egldisplay = eglGetDisplay(getNativeDisplayType()); 64 dInfo->eglsurface = getSharedWindowSurface(dInfo->egldisplay, 65 pfInfo->fbConfig, 66 jlong_to_ptr(nativeWindow)); 67 dInfo->onScreen = JNI_TRUE; 68 69 return ptr_to_jlong(dInfo); 70 } 71 72 /* 73 * Class: com_sun_prism_es2_EGLFBGLDrawable 74 * Method: nGetDummyDrawable 75 * Signature: (J)J 76 */ 77 JNIEXPORT jlong JNICALL Java_com_sun_prism_es2_EGLFBGLDrawable_nGetDummyDrawable 78 (JNIEnv *env, jclass jeglfbDrawable, jlong nativePFInfo) { 79 DrawableInfo *dInfo = NULL; 80 PixelFormatInfo *pfInfo = (PixelFormatInfo *) jlong_to_ptr(nativePFInfo); 81 if (pfInfo == NULL) { 82 fprintf(stderr, " GetDummyDrawable, PixelFormatInfo is null\n"); 83 return 0; 84 } 85 86 /* allocate the structure */ 87 dInfo = (DrawableInfo *) malloc(sizeof(DrawableInfo)); 88 if (dInfo == NULL) { 89 fprintf(stderr, "nGetDummyDrawable: Failed in malloc\n"); 90 return 0; 91 } 92 93 /* initialize the structure */ 94 initializeDrawableInfo(dInfo); 95 dInfo->egldisplay = 96 eglGetDisplay(getNativeDisplayType()); 97 dInfo->onScreen = JNI_FALSE; 98 dInfo->eglsurface = getDummyWindowSurface(pfInfo->display, 99 pfInfo->fbConfig); 100 101 return ptr_to_jlong(dInfo); 102 } 103 104 /* 105 * Class: com_sun_prism_es2_EGLFBGLDrawable 106 * Method: nSwapBuffers 107 * Signature: (J)Z 108 */ 109 JNIEXPORT jboolean JNICALL Java_com_sun_prism_es2_EGLFBGLDrawable_nSwapBuffers 110 (JNIEnv *env, jclass jeglfbDrawable, jlong nativeDInfo) { 111 int value; 112 113 DrawableInfo *dInfo = (DrawableInfo *) jlong_to_ptr(nativeDInfo); 114 if (dInfo == NULL) { 115 return JNI_FALSE; 116 } 117 if (!eglSwapBuffers(dInfo->egldisplay, dInfo->eglsurface)) { 118 fprintf(stderr, "eglSwapBuffers failed; eglGetError %d\n", eglGetError()); 119 } 120 return JNI_TRUE; 121 } 122