src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLGraphicsConfig.m
branchmetal-prototype-branch
changeset 57416 e153174dba06
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57400:978ffc56771f 57416:e153174dba06
       
     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 #import "sun_java2d_metal_MTLGraphicsConfig.h"
       
    27 
       
    28 #import "MTLGraphicsConfig.h"
       
    29 #import "MTLSurfaceData.h"
       
    30 #import "ThreadUtilities.h"
       
    31 
       
    32 #import <stdlib.h>
       
    33 #import <string.h>
       
    34 #import <ApplicationServices/ApplicationServices.h>
       
    35 #import <JavaNativeFoundation/JavaNativeFoundation.h>
       
    36 
       
    37 #pragma mark -
       
    38 #pragma mark "--- Mac OS X specific methods for GL pipeline ---"
       
    39 
       
    40 /**
       
    41  * Disposes all memory and resources associated with the given
       
    42  * CGLGraphicsConfigInfo (including its native MTLContext data).
       
    43  */
       
    44 void
       
    45 MTLGC_DestroyMTLGraphicsConfig(jlong pConfigInfo)
       
    46 {
       
    47     J2dTraceLn(J2D_TRACE_INFO, "MTLGC_DestroyMTLGraphicsConfig");
       
    48 
       
    49     MTLGraphicsConfigInfo *mtlinfo =
       
    50         (MTLGraphicsConfigInfo *)jlong_to_ptr(pConfigInfo);
       
    51     if (mtlinfo == NULL) {
       
    52         J2dRlsTraceLn(J2D_TRACE_ERROR,
       
    53                       "MTLGC_DestroyMTLGraphicsConfig: info is null");
       
    54         return;
       
    55     }
       
    56 
       
    57     MTLContext *mtlc = (MTLContext*)mtlinfo->context;
       
    58     if (mtlc != NULL) {
       
    59         [mtlinfo->context release];
       
    60         mtlinfo->context = nil;
       
    61     }
       
    62     free(mtlinfo);
       
    63 }
       
    64 
       
    65 #pragma mark -
       
    66 #pragma mark "--- MTLGraphicsConfig methods ---"
       
    67 
       
    68 
       
    69 /**
       
    70  * Attempts to initialize CGL and the core OpenGL library.
       
    71  */
       
    72 JNIEXPORT jboolean JNICALL
       
    73 Java_sun_java2d_metal_MTLGraphicsConfig_initMTL
       
    74     (JNIEnv *env, jclass cglgc)
       
    75 {
       
    76     J2dRlsTraceLn(J2D_TRACE_INFO, "MTLGraphicsConfig_initMTL");
       
    77 
       
    78     if (!MTLFuncs_OpenLibrary()) {
       
    79         return JNI_FALSE;
       
    80     }
       
    81 
       
    82     if (!MTLFuncs_InitPlatformFuncs() ||
       
    83         !MTLFuncs_InitBaseFuncs() ||
       
    84         !MTLFuncs_InitExtFuncs())
       
    85     {
       
    86         MTLFuncs_CloseLibrary();
       
    87         return JNI_FALSE;
       
    88     }
       
    89 
       
    90     return JNI_TRUE;
       
    91 }
       
    92 
       
    93 
       
    94 /**
       
    95  * Determines whether the CGL pipeline can be used for a given GraphicsConfig
       
    96  * provided its screen number and visual ID.  If the minimum requirements are
       
    97  * met, the native CGLGraphicsConfigInfo structure is initialized for this
       
    98  * GraphicsConfig with the necessary information (pixel format, etc.)
       
    99  * and a pointer to this structure is returned as a jlong.  If
       
   100  * initialization fails at any point, zero is returned, indicating that CGL
       
   101  * cannot be used for this GraphicsConfig (we should fallback on an existing
       
   102  * 2D pipeline).
       
   103  */
       
   104 JNIEXPORT jlong JNICALL
       
   105 Java_sun_java2d_metal_MTLGraphicsConfig_getMTLConfigInfo
       
   106     (JNIEnv *env, jclass cglgc, jint displayID, jstring mtlShadersLib)
       
   107 {
       
   108   jlong ret = 0L;
       
   109   JNF_COCOA_ENTER(env);
       
   110   NSMutableArray * retArray = [NSMutableArray arrayWithCapacity:3];
       
   111   [retArray addObject: [NSNumber numberWithInt: (int)displayID]];
       
   112   [retArray addObject: [NSString stringWithUTF8String: JNU_GetStringPlatformChars(env, mtlShadersLib, 0)]];
       
   113   if ([NSThread isMainThread]) {
       
   114       [MTLGraphicsConfigUtil _getMTLConfigInfo: retArray];
       
   115   } else {
       
   116       [MTLGraphicsConfigUtil performSelectorOnMainThread: @selector(_getMTLConfigInfo:) withObject: retArray waitUntilDone: YES];
       
   117   }
       
   118   NSNumber * num = (NSNumber *)[retArray objectAtIndex: 0];
       
   119   ret = (jlong)[num longValue];
       
   120   JNF_COCOA_EXIT(env);
       
   121   return ret;
       
   122 }
       
   123 
       
   124 
       
   125 
       
   126 
       
   127 @implementation MTLGraphicsConfigUtil
       
   128 + (void) _getMTLConfigInfo: (NSMutableArray *)argValue {
       
   129     AWT_ASSERT_APPKIT_THREAD;
       
   130 
       
   131     jint displayID = (jint)[(NSNumber *)[argValue objectAtIndex: 0] intValue];
       
   132     NSString *mtlShadersLib = (NSString *)[argValue objectAtIndex: 1];
       
   133     JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
       
   134     [argValue removeAllObjects];
       
   135 
       
   136     J2dRlsTraceLn(J2D_TRACE_INFO, "MTLGraphicsConfig_getMTLConfigInfo");
       
   137 
       
   138     NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
       
   139 
       
   140 
       
   141     NSRect contentRect = NSMakeRect(0, 0, 64, 64);
       
   142     NSWindow *window =
       
   143         [[NSWindow alloc]
       
   144             initWithContentRect: contentRect
       
   145             styleMask: NSBorderlessWindowMask
       
   146             backing: NSBackingStoreBuffered
       
   147             defer: false];
       
   148     if (window == nil) {
       
   149         J2dRlsTraceLn(J2D_TRACE_ERROR, "MTLGraphicsConfig_getMTLConfigInfo: NSWindow is NULL");
       
   150         [argValue addObject: [NSNumber numberWithLong: 0L]];
       
   151         return;
       
   152     }
       
   153 
       
   154     NSView *scratchSurface =
       
   155         [[NSView alloc]
       
   156             initWithFrame: contentRect];
       
   157     if (scratchSurface == nil) {
       
   158         J2dRlsTraceLn(J2D_TRACE_ERROR, "MTLGraphicsConfig_getMTLConfigInfo: NSView is NULL");
       
   159         [argValue addObject: [NSNumber numberWithLong: 0L]];
       
   160         return;
       
   161     }
       
   162     [window setContentView: scratchSurface];
       
   163 
       
   164     MTLContext *mtlc = [[MTLContext alloc] initWithDevice:CGDirectDisplayCopyCurrentMetalDevice(displayID)
       
   165                         shadersLib:mtlShadersLib];
       
   166     if (mtlc == 0L) {
       
   167         J2dRlsTraceLn(J2D_TRACE_ERROR, "MTLGC_InitMTLContext: could not allocate memory for mtlc");
       
   168         [argValue addObject: [NSNumber numberWithLong: 0L]];
       
   169         return;
       
   170     }
       
   171 
       
   172 
       
   173     // create the MTLGraphicsConfigInfo record for this config
       
   174     MTLGraphicsConfigInfo *mtlinfo = (MTLGraphicsConfigInfo *)malloc(sizeof(MTLGraphicsConfigInfo));
       
   175     if (mtlinfo == NULL) {
       
   176         J2dRlsTraceLn(J2D_TRACE_ERROR, "MTLGraphicsConfig_getMTLConfigInfo: could not allocate memory for mtlinfo");
       
   177         free(mtlc);
       
   178         [argValue addObject: [NSNumber numberWithLong: 0L]];
       
   179         return;
       
   180     }
       
   181     memset(mtlinfo, 0, sizeof(MTLGraphicsConfigInfo));
       
   182     mtlinfo->screen = displayID;
       
   183     mtlinfo->context = mtlc;
       
   184 
       
   185     [argValue addObject: [NSNumber numberWithLong:ptr_to_jlong(mtlinfo)]];
       
   186     [pool drain];
       
   187 }
       
   188 @end //GraphicsConfigUtil
       
   189 
       
   190 
       
   191 JNIEXPORT jint JNICALL
       
   192 Java_sun_java2d_metal_MTLGraphicsConfig_nativeGetMaxTextureSize
       
   193     (JNIEnv *env, jclass mtlgc)
       
   194 {
       
   195     J2dTraceLn(J2D_TRACE_INFO, "MTLGraphicsConfig_nativeGetMaxTextureSize");
       
   196 
       
   197     __block int max = 0;
       
   198 
       
   199 //    [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
       
   200 //    }];
       
   201 
       
   202     return (jint)max;
       
   203 }