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 <QuartzCore/CAMetalLayer.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 id<MTLTexture> buffer; 44 int nextDrawableCount; 45 int topInset; 46 int leftInset; 47 } 48 49 @property (nonatomic, retain) JNFWeakJObjectWrapper *javaLayer; 50 @property (readwrite, assign) MTLContext* ctx; 51 @property (readwrite, assign) float bufferWidth; 52 @property (readwrite, assign) float bufferHeight; 53 @property (readwrite, assign) id<MTLTexture> buffer; 54 @property (readwrite, assign) int nextDrawableCount; 55 @property (readwrite, assign) int topInset; 56 @property (readwrite, assign) int leftInset; 57 58 - (id) initWithJavaLayer:(JNFWeakJObjectWrapper *)layer; 59 60 - (void) blitTexture; 61 - (void) fillParallelogramCtxX:(jfloat)x 62 Y:(jfloat)y 63 DX1:(jfloat)dx1 64 DY1:(jfloat)dy1 65 DX2:(jfloat)dx2 66 DY2:(jfloat)dy2; 67 - (void) blitCallback; 68 - (void) display; 69 @end 70 71 #endif /* CGLLayer_h_Included */