1 /*
   2  * Copyright (c) 2019, 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 MetalLayer_h_Included
  27 #define MetalLayer_h_Included
  28 
  29 #import <JavaNativeFoundation/JavaNativeFoundation.h>
  30 #import <QuartzCore/CAMetalLayer.h>
  31 #import <Metal/Metal.h>
  32 
  33 
  34 @interface MetalLayer : CAMetalLayer
  35 {
  36 @private
  37     JNFWeakJObjectWrapper *javaLayer;
  38 
  39     // intermediate buffer, used the RQ lock to synchronize
  40     id<MTLTexture> mtlTexture;
  41     //GLenum target;
  42     float textureWidth;
  43     float textureHeight;
  44 #ifdef REMOTELAYER
  45     //CGLLayer *parentLayer;
  46     //CGLLayer *remoteLayer;
  47     //NSObject<JRSRemoteLayer> *jrsRemoteLayer;
  48 #endif /* REMOTELAYER */
  49 }
  50 
  51 @property (nonatomic, retain) JNFWeakJObjectWrapper *javaLayer;
  52 @property (readwrite, assign) float textureWidth;
  53 @property (readwrite, assign) float textureHeight;
  54 @property (readwrite, assign) id<MTLTexture> mtlTexture;
  55 @property (readwrite, assign) id<MTLLibrary> mtlLibrary;
  56 @property (readwrite, assign) MTLRenderPipelineDescriptor* mtlRenderPipelineDescriptor;
  57 @property (readwrite, assign) id<MTLRenderPipelineState> renderPipelineState;
  58 //@property (readwrite, assign) id<MTLBuffer> LineVertexBuffer;
  59 //@property (readwrite, assign) id<MTLBuffer> QuadVertexBuffer;
  60 #ifdef REMOTELAYER
  61 //@property (nonatomic, retain) CGLLayer *parentLayer;
  62 //@property (nonatomic, retain) CGLLayer *remoteLayer;
  63 //@property (nonatomic, retain) NSObject<JRSRemoteLayer> *jrsRemoteLayer;
  64 #endif
  65 
  66 - (id) initWithJavaLayer:(JNFWeakJObjectWrapper *)javaLayer;
  67 - (void) blitTexture;
  68 @end
  69 
  70 
  71 // dummy for PoC purpose
  72 void MetalLayer_drawLine(float x1, float y1, float x2, float y2);
  73 void MetalLayer_setColor(int color);
  74 
  75 #endif /* MetalLayer_h_Included */