1 /*
   2  * Copyright (c) 2019, 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 #ifndef MTLLayer_h_Included
  27 #define MTLLayer_h_Included
  28 #import <Metal/Metal.h>
  29 #import <MetalKit/MetalKit.h>
  30 #import "common.h"
  31 
  32 #import <JavaNativeFoundation/JavaNativeFoundation.h>
  33 
  34 @interface MTLLayer : CAMetalLayer
  35 {
  36 @private
  37     JNFWeakJObjectWrapper *javaLayer;
  38 
  39     // intermediate buffer, used the RQ lock to synchronize
  40     MTLContext* ctx;
  41     float bufferWidth;
  42     float bufferHeight;
  43 }
  44 
  45 @property (nonatomic, retain) JNFWeakJObjectWrapper *javaLayer;
  46 @property (readwrite, assign) MTLContext* ctx;
  47 @property (readwrite, assign) float bufferWidth;
  48 @property (readwrite, assign) float bufferHeight;
  49 
  50 - (id) initWithJavaLayer:(JNFWeakJObjectWrapper *)layer;
  51 
  52 - (void) blitTexture;
  53 - (void) fillParallelogramCtxX:(jfloat)x
  54                              Y:(jfloat)y
  55                            DX1:(jfloat)dx1
  56                            DY1:(jfloat)dy1
  57                            DX2:(jfloat)dx2
  58                            DY2:(jfloat)dy2;
  59 @end
  60 
  61 #endif /* CGLLayer_h_Included */