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 "eglUtils.h"
  34 
  35 #include "../PrismES2Defs.h"
  36 #include "com_sun_prism_es2_EGLFBGLContext.h"
  37 
  38 /*
  39  * Class:     com_sun_prism_es2_EGLFBGLContext
  40  * Method:    nInitialize
  41  * Signature: (JJZ)J
  42  */
  43 JNIEXPORT jlong JNICALL Java_com_sun_prism_es2_EGLFBGLContext_nInitialize
  44 (JNIEnv *env, jclass jeglfbcontext, jlong nativeDInfo, jlong nativePFInfo, jboolean SyncRequest) {
  45     DrawableInfo *dInfo = (DrawableInfo *) jlong_to_ptr(nativeDInfo);
  46     PixelFormatInfo *pfInfo = (PixelFormatInfo *) jlong_to_ptr(nativePFInfo);
  47 
  48     if ((dInfo == NULL) || (pfInfo == NULL)) {
  49         fprintf(stderr, "EGLFBGLContext_nInitialize: null dInfo pfInfo\n");
  50         return 0;
  51     }
  52     EGLConfig fbConfig = pfInfo->fbConfig;
  53 
  54     ContextInfo *ctxInfo = eglContextFromConfig(dInfo->egldisplay, fbConfig);
  55     return ptr_to_jlong(ctxInfo);
  56 }
  57 
  58 /*
  59  * Class:     com_sun_prism_es2_EGLFBGLContext
  60  * Method:    nGetNativeHandle
  61  * Signature: (J)J
  62  */
  63 JNIEXPORT jlong JNICALL Java_com_sun_prism_es2_EGLFBGLContext_nGetNativeHandle
  64 (JNIEnv *env, jclass jeglfbcontext, jlong nativeCtxInfo) {
  65     ContextInfo *ctxInfo = (ContextInfo *) jlong_to_ptr(nativeCtxInfo);
  66     if (ctxInfo == NULL) {
  67         fprintf(stderr, " nGetNativeHandle, ContextInfo is null\n");
  68         return 0;
  69     }
  70     return ptr_to_jlong(ctxInfo->context);
  71 }
  72 
  73 /*
  74  * Class:     com_sun_prism_es2_EGLFBGLContext
  75  * Method:    nMakeCurrent
  76  * Signature: (JJ)V
  77  */
  78 JNIEXPORT void JNICALL Java_com_sun_prism_es2_EGLFBGLContext_nMakeCurrent
  79 (JNIEnv *env, jclass jeglfbcontext, jlong nativeCtxInfo, jlong nativeDInfo) {
  80 
  81     DrawableInfo *dInfo = (DrawableInfo *) jlong_to_ptr(nativeDInfo);
  82     if (dInfo == NULL) {
  83         fprintf(stderr, "nMakeCurrent: dIfno is null!!!\n");
  84         return;
  85     }
  86 
  87     ContextInfo *ctxInfo = (ContextInfo *) jlong_to_ptr(nativeCtxInfo);
  88     if (ctxInfo == NULL) {
  89         fprintf(stderr, "nMakeCurrent: ctxInfo is null!!!\n");
  90         return;
  91     }
  92     int interval;
  93     jboolean vSyncNeeded;
  94 
  95     if (!eglMakeCurrent(dInfo->egldisplay, dInfo->eglsurface, dInfo->eglsurface, ctxInfo->context)) {
  96         fprintf(stderr, "Failed in eglMakeCurrent for %p %p %d\n", dInfo->eglsurface, ctxInfo->context, eglGetError());
  97     }
  98     vSyncNeeded = ctxInfo->vSyncRequested && dInfo->onScreen;
  99     if (vSyncNeeded == ctxInfo->state.vSyncEnabled) {
 100         return;
 101     }
 102 
 103     return;
 104 
 105 }
 106