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 MetalGraphicsConfig_h_Included

    27 #define MetalGraphicsConfig_h_Included

    28 

    29 #import "jni.h"

    30 //#import "J2D_GL/gl.h"

    31 #import <Metal/Metal.h>

    32 //@import Metal;

    33 //#import "MetalSurfaceData.h"

    34 //#import "OGLContext.h"

    35 #import <Cocoa/Cocoa.h>

    36 

    37 @interface MetalGraphicsConfigUtil : NSObject {}

    38 + (void) _getMetalConfigInfo: (NSMutableArray *)argValue;

    39 @end

    40 

    41 // REMIND: Using an NSOpenGLPixelBuffer as the scratch surface has been

    42 // problematic thus far (seeing garbage and flickering when switching

    43 // between an NSView and the scratch surface), so the following enables

    44 // an alternate codepath that uses a hidden NSWindow/NSView as the scratch

    45 // surface, for the purposes of making a context current in certain

    46 // situations.  It appears that calling [NSOpenGLContext setView] too

    47 // frequently contributes to the bad behavior, so we should try to avoid

    48 // switching to the scratch surface whenever possible.

    49 

    50 /* Do we need this if we are using all off-screen drawing ? */

    51 #define USE_NSVIEW_FOR_SCRATCH 1

    52 

    53 /* Uncomment to have an additional CAOGLLayer instance tied to

    54  * each instance, which can be used to test remoting the layer

    55  * to an out of process window. The additional layer is needed

    56  * because a layer can only be attached to one context (view/window).

    57  * This is only for testing purposes and can be removed if/when no

    58  * longer needed.

    59  */

    60 //#define REMOTELAYER 1

    61 

    62 #ifdef REMOTELAYER

    63 #import <JavaRuntimeSupport/JRSRemoteLayer.h>

    64 #import <pthread.h>

    65 #include <unistd.h>

    66 #include <stdio.h>

    67 #import <sys/socket.h>

    68 #import <sys/un.h>

    69 

    70 extern mach_port_t JRSRemotePort;

    71 extern int remoteSocketFD;

    72 extern void sendLayerID(int layerID);

    73 

    74 #endif /* REMOTELAYER */

    75 

    76 

    77 /**

    78  * The CGLGraphicsConfigInfo structure contains information specific to a

    79  * given CGLGraphicsConfig (pixel format).

    80  *

    81  *     jint screen;

    82  * The screen and PixelFormat for the associated CGLGraphicsConfig.

    83  *

    84  *     NSOpenGLPixelFormat *pixfmt;

    85  * The pixel format of the native NSOpenGL context.

    86  *

    87  *     OGLContext *context;

    88  * The context associated with this CGLGraphicsConfig.

    89  */

    90 typedef struct _MetalGraphicsConfigInfo {

    91     jint                 screen;

    92     id<MTLDevice>        device;

    93     id<MTLCommandQueue>  commandQueue;

    94     //MTLLibrary     *defaultLibrary;

    95 } MetalGraphicsConfigInfo;

    96 

    97 /**

    98  * The CGLCtxInfo structure contains the native CGLContext information

    99  * required by and is encapsulated by the platform-independent OGLContext

   100  * structure.

   101  *

   102  *     NSOpenGLContext *context;

   103  * The core native NSOpenGL context.  Rendering commands have no effect until

   104  * a context is made current (active).

   105  *

   106  *     NSOpenGLPixelBuffer *scratchSurface;

   107  * The scratch surface id used to make a context current when we do

   108  * not otherwise have a reference to an OpenGL surface for the purposes of

   109  * making a context current.

   110  */

   111 /*typedef struct _CGLCtxInfo {

   112     NSOpenGLContext     *context;

   113 #if USE_NSVIEW_FOR_SCRATCH

   114     NSView              *scratchSurface;

   115 #else

   116     NSOpenGLPixelBuffer *scratchSurface;

   117 #endif

   118 } CGLCtxInfo;*/

   119 

   120 #endif /* MetalGraphicsConfig_h_Included */