Merge JDK-8220154 initial metal implementation patch to the jdk sandbox branch
Reviewed-by: avu, prr, kcr
Contributed-by: avu(Jetbrains), aghaisas, jdv
/*
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
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*/
#import "MTLGraphicsConfig.h"
#import "MTLLayer.h"
#import "ThreadUtilities.h"
#import "LWCToolkit.h"
#import "MTLSurfaceData.h"
#import "MTLBlitLoops.h"
@implementation MTLLayer
@synthesize javaLayer;
@synthesize ctx;
@synthesize bufferWidth;
@synthesize bufferHeight;
@synthesize buffer;
- (id) initWithJavaLayer:(JNFWeakJObjectWrapper *)layer
{
AWT_ASSERT_APPKIT_THREAD;
// Initialize ourselves
self = [super init];
if (self == nil) return self;
self.javaLayer = layer;
self.contentsGravity = kCAGravityTopLeft;
//Disable CALayer's default animation
NSMutableDictionary * actions = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
[NSNull null], @"anchorPoint",
[NSNull null], @"bounds",
[NSNull null], @"contents",
[NSNull null], @"contentsScale",
[NSNull null], @"onOrderIn",
[NSNull null], @"onOrderOut",
[NSNull null], @"position",
[NSNull null], @"sublayers",
nil];
self.actions = actions;
[actions release];
return self;
}
- (void) blitTexture:(id<MTLCommandBuffer>)commandBuf {
if (self.ctx == NULL || self.javaLayer == NULL || self.buffer == nil || ctx.device == nil) {
J2dTraceLn4(J2D_TRACE_VERBOSE, "MTLLayer.blitTexture: uninitialized (mtlc=%p, javaLayer=%p, buffer=%p, devide=%p)", self.ctx, self.javaLayer, self.buffer, ctx.device);
return;
}
if (commandBuf == nil) {
J2dTraceLn(J2D_TRACE_VERBOSE, "MTLLayer.blitTexture: nothing to do (commandBuf is null)");
return;
}
@autoreleasepool {
self.device = ctx.device;
self.pixelFormat = MTLPixelFormatBGRA8Unorm;
self.framebufferOnly = NO;
self.drawableSize =
CGSizeMake(self.buffer.width,
self.buffer.height);
id<CAMetalDrawable> mtlDrawable = [self nextDrawable];
if (mtlDrawable == nil) {
return;
}
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);
id <MTLBlitCommandEncoder> blitEncoder = [commandBuf blitCommandEncoder];
[blitEncoder
copyFromTexture:self.buffer sourceSlice:0 sourceLevel:0 sourceOrigin:MTLOriginMake(0, 0, 0) sourceSize:MTLSizeMake(self.buffer.width, self.buffer.height, 1)
toTexture:mtlDrawable.texture destinationSlice:0 destinationLevel:0 destinationOrigin:MTLOriginMake(0, 0, 0)];
[blitEncoder endEncoding];
[commandBuf presentDrawable:mtlDrawable];
[commandBuf addCompletedHandler:^(id <MTLCommandBuffer> cmdBuff) {
[cmdBuff release];
[ctx.texturePool markAllTexturesFree];
}];
[commandBuf commit];
}
}
- (void) dealloc {
self.javaLayer = nil;
[super dealloc];
}
@end
/*
* Class: sun_java2d_metal_CGLLayer
* Method: nativeCreateLayer
* Signature: ()J
*/
JNIEXPORT jlong JNICALL
Java_sun_java2d_metal_MTLLayer_nativeCreateLayer
(JNIEnv *env, jobject obj)
{
__block MTLLayer *layer = nil;
JNF_COCOA_ENTER(env);
JNFWeakJObjectWrapper *javaLayer = [JNFWeakJObjectWrapper wrapperWithJObject:obj withEnv:env];
[ThreadUtilities performOnMainThreadWaiting:YES block:^(){
AWT_ASSERT_APPKIT_THREAD;
layer = [[MTLLayer alloc] initWithJavaLayer: javaLayer];
}];
JNF_COCOA_EXIT(env);
return ptr_to_jlong(layer);
}
// Must be called under the RQ lock.
JNIEXPORT void JNICALL
Java_sun_java2d_metal_MTLLayer_validate
(JNIEnv *env, jclass cls, jlong layerPtr, jobject surfaceData)
{
MTLLayer *layer = OBJC(layerPtr);
if (surfaceData != NULL) {
BMTLSDOps *bmtlsdo = (BMTLSDOps*) SurfaceData_GetOps(env, surfaceData);
layer.bufferWidth = bmtlsdo->width;
layer.bufferHeight = bmtlsdo->width;
layer.buffer = bmtlsdo->pTexture;
layer.ctx = ((MTLSDOps *)bmtlsdo->privOps)->configInfo->context;
layer.device = layer.ctx.device;
} else {
layer.ctx = NULL;
}
}
JNIEXPORT void JNICALL
Java_sun_java2d_metal_MTLLayer_nativeSetScale
(JNIEnv *env, jclass cls, jlong layerPtr, jdouble scale)
{
JNF_COCOA_ENTER(env);
MTLLayer *layer = jlong_to_ptr(layerPtr);
// We always call all setXX methods asynchronously, exception is only in
// this method where we need to change native texture size and layer's scale
// in one call on appkit, otherwise we'll get window's contents blinking,
// during screen-2-screen moving.
[ThreadUtilities performOnMainThreadWaiting:[NSThread isMainThread] block:^(){
layer.contentsScale = scale;
}];
JNF_COCOA_EXIT(env);
}