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 "MTLGraphicsConfig.h"
27 #import "MTLLayer.h"
28 #import "ThreadUtilities.h"
29 #import "LWCToolkit.h"
30 #import "MTLSurfaceData.h"
31
32 #import "MTLBlitLoops.h"
33
34 @implementation MTLLayer
35
36
37 @synthesize javaLayer;
38 @synthesize ctx;
39 @synthesize bufferWidth;
40 @synthesize bufferHeight;
41 @synthesize buffer;
42
43 - (id) initWithJavaLayer:(JNFWeakJObjectWrapper *)layer
44 {
45 AWT_ASSERT_APPKIT_THREAD;
46 // Initialize ourselves
47 self = [super init];
48 if (self == nil) return self;
49
50 self.javaLayer = layer;
51
52 self.contentsGravity = kCAGravityTopLeft;
53
54 //Disable CALayer's default animation
55 NSMutableDictionary * actions = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
56 [NSNull null], @"anchorPoint",
57 [NSNull null], @"bounds",
58 [NSNull null], @"contents",
59 [NSNull null], @"contentsScale",
60 [NSNull null], @"onOrderIn",
61 [NSNull null], @"onOrderOut",
62 [NSNull null], @"position",
63 [NSNull null], @"sublayers",
64 nil];
65 self.actions = actions;
66 [actions release];
67
68
69 return self;
70 }
71
72 - (void) blitTexture:(id<MTLCommandBuffer>)commandBuf {
73 if (self.ctx == NULL || self.javaLayer == NULL || self.buffer == nil || ctx.device == nil) {
74 J2dTraceLn4(J2D_TRACE_VERBOSE, "MTLLayer.blitTexture: uninitialized (mtlc=%p, javaLayer=%p, buffer=%p, devide=%p)", self.ctx, self.javaLayer, self.buffer, ctx->mtlDevice);
75 return;
76 }
77
78 if (commandBuf == nil) {
79 J2dTraceLn(J2D_TRACE_VERBOSE, "MTLLayer.blitTexture: nothing to do (commandBuf is null)");
80 return;
81 }
82
83 @autoreleasepool {
84 self.device = ctx.device;
85 self.pixelFormat = MTLPixelFormatBGRA8Unorm;
86 self.framebufferOnly = NO;
87
88 self.drawableSize =
89 CGSizeMake(self.buffer.width,
90 self.buffer.height);
91
92 id<CAMetalDrawable> mtlDrawable = [self nextDrawable];
93 if (mtlDrawable == nil) {
94 return;
95 }
96 J2dTraceLn6(J2D_TRACE_INFO, "MTLLayer.blitTexture: src tex=%p (w=%d, h=%d), dst tex=%p (w=%d, h=%d)", self.buffer, self.buffer.width, self.buffer.height, mtlDrawable.texture, mtlDrawable.texture.width, mtlDrawable.texture.height);
97 id <MTLBlitCommandEncoder> blitEncoder = [commandBuf blitCommandEncoder];
98 [blitEncoder
99 copyFromTexture:self.buffer sourceSlice:0 sourceLevel:0 sourceOrigin:MTLOriginMake(0, 0, 0) sourceSize:MTLSizeMake(self.buffer.width, self.buffer.height, 1)
100 toTexture:mtlDrawable.texture destinationSlice:0 destinationLevel:0 destinationOrigin:MTLOriginMake(0, 0, 0)];
101 [blitEncoder endEncoding];
102
103 [commandBuf presentDrawable:mtlDrawable];
104
105 [commandBuf addCompletedHandler:^(id <MTLCommandBuffer> cmdBuff) {
106 [cmdBuff release];
107 [ctx.texturePool markAllTexturesFree];
108 }];
109
110 [commandBuf commit];
111 }
112 }
113
114 - (void) dealloc {
115 self.javaLayer = nil;
116 [super dealloc];
117 }
118
119 @end
120
121 /*
122 * Class: sun_java2d_metal_CGLLayer
123 * Method: nativeCreateLayer
124 * Signature: ()J
125 */
126 JNIEXPORT jlong JNICALL
127 Java_sun_java2d_metal_MTLLayer_nativeCreateLayer
128 (JNIEnv *env, jobject obj)
129 {
130 __block MTLLayer *layer = nil;
131
132 JNF_COCOA_ENTER(env);
133
134 JNFWeakJObjectWrapper *javaLayer = [JNFWeakJObjectWrapper wrapperWithJObject:obj withEnv:env];
135
136 [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
137 AWT_ASSERT_APPKIT_THREAD;
138
139 layer = [[MTLLayer alloc] initWithJavaLayer: javaLayer];
140 }];
141
142 JNF_COCOA_EXIT(env);
143
144 return ptr_to_jlong(layer);
145 }
146
147 // Must be called under the RQ lock.
148 JNIEXPORT void JNICALL
149 Java_sun_java2d_metal_MTLLayer_validate
150 (JNIEnv *env, jclass cls, jlong layerPtr, jobject surfaceData)
151 {
152 MTLLayer *layer = OBJC(layerPtr);
153
154 if (surfaceData != NULL) {
155 BMTLSDOps *bmtlsdo = (BMTLSDOps*) SurfaceData_GetOps(env, surfaceData);
156 layer.bufferWidth = bmtlsdo->width;
157 layer.bufferHeight = bmtlsdo->width;
158 layer.buffer = bmtlsdo->pTexture;
159 layer.ctx = ((MTLSDOps *)bmtlsdo->privOps)->configInfo->context;
160 layer.device = layer.ctx.device;
161 } else {
162 layer.ctx = NULL;
163 }
164 }
165
166 JNIEXPORT void JNICALL
167 Java_sun_java2d_metal_MTLLayer_nativeSetScale
168 (JNIEnv *env, jclass cls, jlong layerPtr, jdouble scale)
169 {
170 JNF_COCOA_ENTER(env);
171 MTLLayer *layer = jlong_to_ptr(layerPtr);
172 // We always call all setXX methods asynchronously, exception is only in
173 // this method where we need to change native texture size and layer's scale
174 // in one call on appkit, otherwise we'll get window's contents blinking,
175 // during screen-2-screen moving.
176 [ThreadUtilities performOnMainThreadWaiting:[NSThread isMainThread] block:^(){
177 layer.contentsScale = scale;
178 }];
179 JNF_COCOA_EXIT(env);
180 }